Custom CSS and Javascript

Version Description

Initial release

Release Info

Developer	hearken
Plugin	Custom CSS and Javascript
Version	1.0
Comparing to
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Version 1.0

Files changed (7) hide show

codemirror/codemirror.css +334 -0
codemirror/codemirror.js +8880 -0
codemirror/mode/css.js +824 -0
codemirror/mode/javascript.js +731 -0
custom-css-and-javascript.php +132 -0
images/hm-logo.png +0 -0
readme.txt +34 -0

codemirror/codemirror.css ADDED Viewed

	@@ -0,0 +1,334 @@


1	+ /* BASICS */
2	+
3	+ .CodeMirror {
4	+ /* Set height, width, borders, and global font properties here */
5	+ font-family: monospace;
6	+ height: 300px;
7	+ color: black;
8	+ }
9	+
10	+ /* PADDING */
11	+
12	+ .CodeMirror-lines {
13	+ padding: 4px 0; /* Vertical padding around content */
14	+ }
15	+ .CodeMirror pre {
16	+ padding: 0 4px; /* Horizontal padding of content */
17	+ }
18	+
19	+ .CodeMirror-scrollbar-filler, .CodeMirror-gutter-filler {
20	+ background-color: white; /* The little square between H and V scrollbars */
21	+ }
22	+
23	+ /* GUTTER */
24	+
25	+ .CodeMirror-gutters {
26	+ border-right: 1px solid #ddd;
27	+ background-color: #f7f7f7;
28	+ white-space: nowrap;
29	+ }
30	+ .CodeMirror-linenumbers {}
31	+ .CodeMirror-linenumber {
32	+ padding: 0 3px 0 5px;
33	+ min-width: 20px;
34	+ text-align: right;
35	+ color: #999;
36	+ white-space: nowrap;
37	+ }
38	+
39	+ .CodeMirror-guttermarker { color: black; }
40	+ .CodeMirror-guttermarker-subtle { color: #999; }
41	+
42	+ /* CURSOR */
43	+
44	+ .CodeMirror-cursor {
45	+ border-left: 1px solid black;
46	+ border-right: none;
47	+ width: 0;
48	+ }
49	+ /* Shown when moving in bi-directional text */
50	+ .CodeMirror div.CodeMirror-secondarycursor {
51	+ border-left: 1px solid silver;
52	+ }
53	+ .cm-fat-cursor .CodeMirror-cursor {
54	+ width: auto;
55	+ border: 0;
56	+ background: #7e7;
57	+ }
58	+ .cm-fat-cursor div.CodeMirror-cursors {
59	+ z-index: 1;
60	+ }
61	+
62	+ .cm-animate-fat-cursor {
63	+ width: auto;
64	+ border: 0;
65	+ -webkit-animation: blink 1.06s steps(1) infinite;
66	+ -moz-animation: blink 1.06s steps(1) infinite;
67	+ animation: blink 1.06s steps(1) infinite;
68	+ background-color: #7e7;
69	+ }
70	+ @-moz-keyframes blink {
71	+ 0% {}
72	+ 50% { background-color: transparent; }
73	+ 100% {}
74	+ }
75	+ @-webkit-keyframes blink {
76	+ 0% {}
77	+ 50% { background-color: transparent; }
78	+ 100% {}
79	+ }
80	+ @keyframes blink {
81	+ 0% {}
82	+ 50% { background-color: transparent; }
83	+ 100% {}
84	+ }
85	+
86	+ /* Can style cursor different in overwrite (non-insert) mode */
87	+ .CodeMirror-overwrite .CodeMirror-cursor {}
88	+
89	+ .cm-tab { display: inline-block; text-decoration: inherit; }
90	+
91	+ .CodeMirror-ruler {
92	+ border-left: 1px solid #ccc;
93	+ position: absolute;
94	+ }
95	+
96	+ /* DEFAULT THEME */
97	+
98	+ .cm-s-default .cm-header {color: blue;}
99	+ .cm-s-default .cm-quote {color: #090;}
100	+ .cm-negative {color: #d44;}
101	+ .cm-positive {color: #292;}
102	+ .cm-header, .cm-strong {font-weight: bold;}
103	+ .cm-em {font-style: italic;}
104	+ .cm-link {text-decoration: underline;}
105	+ .cm-strikethrough {text-decoration: line-through;}
106	+
107	+ .cm-s-default .cm-keyword {color: #708;}
108	+ .cm-s-default .cm-atom {color: #219;}
109	+ .cm-s-default .cm-number {color: #164;}
110	+ .cm-s-default .cm-def {color: #00f;}
111	+ .cm-s-default .cm-variable,
112	+ .cm-s-default .cm-punctuation,
113	+ .cm-s-default .cm-property,
114	+ .cm-s-default .cm-operator {}
115	+ .cm-s-default .cm-variable-2 {color: #05a;}
116	+ .cm-s-default .cm-variable-3 {color: #085;}
117	+ .cm-s-default .cm-comment {color: #a50;}
118	+ .cm-s-default .cm-string {color: #a11;}
119	+ .cm-s-default .cm-string-2 {color: #f50;}
120	+ .cm-s-default .cm-meta {color: #555;}
121	+ .cm-s-default .cm-qualifier {color: #555;}
122	+ .cm-s-default .cm-builtin {color: #30a;}
123	+ .cm-s-default .cm-bracket {color: #997;}
124	+ .cm-s-default .cm-tag {color: #170;}
125	+ .cm-s-default .cm-attribute {color: #00c;}
126	+ .cm-s-default .cm-hr {color: #999;}
127	+ .cm-s-default .cm-link {color: #00c;}
128	+
129	+ .cm-s-default .cm-error {color: #f00;}
130	+ .cm-invalidchar {color: #f00;}
131	+
132	+ .CodeMirror-composing { border-bottom: 2px solid; }
133	+
134	+ /* Default styles for common addons */
135	+
136	+ div.CodeMirror span.CodeMirror-matchingbracket {color: #0f0;}
137	+ div.CodeMirror span.CodeMirror-nonmatchingbracket {color: #f22;}
138	+ .CodeMirror-matchingtag { background: rgba(255, 150, 0, .3); }
139	+ .CodeMirror-activeline-background {background: #e8f2ff;}
140	+
141	+ /* STOP */
142	+
143	+ /* The rest of this file contains styles related to the mechanics of
144	+ the editor. You probably shouldn't touch them. */
145	+
146	+ .CodeMirror {
147	+ position: relative;
148	+ overflow: hidden;
149	+ background: white;
150	+ }
151	+
152	+ .CodeMirror-scroll {
153	+ overflow: scroll !important; /* Things will break if this is overridden */
154	+ /* 30px is the magic margin used to hide the element's real scrollbars */
155	+ /* See overflow: hidden in .CodeMirror */
156	+ margin-bottom: -30px; margin-right: -30px;
157	+ padding-bottom: 30px;
158	+ height: 100%;
159	+ outline: none; /* Prevent dragging from highlighting the element */
160	+ position: relative;
161	+ }
162	+ .CodeMirror-sizer {
163	+ position: relative;
164	+ border-right: 30px solid transparent;
165	+ }
166	+
167	+ /* The fake, visible scrollbars. Used to force redraw during scrolling
168	+ before actual scrolling happens, thus preventing shaking and
169	+ flickering artifacts. */
170	+ .CodeMirror-vscrollbar, .CodeMirror-hscrollbar, .CodeMirror-scrollbar-filler, .CodeMirror-gutter-filler {
171	+ position: absolute;
172	+ z-index: 6;
173	+ display: none;
174	+ }
175	+ .CodeMirror-vscrollbar {
176	+ right: 0; top: 0;
177	+ overflow-x: hidden;
178	+ overflow-y: scroll;
179	+ }
180	+ .CodeMirror-hscrollbar {
181	+ bottom: 0; left: 0;
182	+ overflow-y: hidden;
183	+ overflow-x: scroll;
184	+ }
185	+ .CodeMirror-scrollbar-filler {
186	+ right: 0; bottom: 0;
187	+ }
188	+ .CodeMirror-gutter-filler {
189	+ left: 0; bottom: 0;
190	+ }
191	+
192	+ .CodeMirror-gutters {
193	+ position: absolute; left: 0; top: 0;
194	+ z-index: 3;
195	+ }
196	+ .CodeMirror-gutter {
197	+ white-space: normal;
198	+ height: 100%;
199	+ display: inline-block;
200	+ margin-bottom: -30px;
201	+ /* Hack to make IE7 behave */
202	+ *zoom:1;
203	+ *display:inline;
204	+ }
205	+ .CodeMirror-gutter-wrapper {
206	+ position: absolute;
207	+ z-index: 4;
208	+ background: none !important;
209	+ border: none !important;
210	+ }
211	+ .CodeMirror-gutter-background {
212	+ position: absolute;
213	+ top: 0; bottom: 0;
214	+ z-index: 4;
215	+ }
216	+ .CodeMirror-gutter-elt {
217	+ position: absolute;
218	+ cursor: default;
219	+ z-index: 4;
220	+ }
221	+ .CodeMirror-gutter-wrapper {
222	+ -webkit-user-select: none;
223	+ -moz-user-select: none;
224	+ user-select: none;
225	+ }
226	+
227	+ .CodeMirror-lines {
228	+ cursor: text;
229	+ min-height: 1px; /* prevents collapsing before first draw */
230	+ }
231	+ .CodeMirror pre {
232	+ /* Reset some styles that the rest of the page might have set */
233	+ -moz-border-radius: 0; -webkit-border-radius: 0; border-radius: 0;
234	+ border-width: 0;
235	+ background: transparent;
236	+ font-family: inherit;
237	+ font-size: inherit;
238	+ margin: 0;
239	+ white-space: pre;
240	+ word-wrap: normal;
241	+ line-height: inherit;
242	+ color: inherit;
243	+ z-index: 2;
244	+ position: relative;
245	+ overflow: visible;
246	+ -webkit-tap-highlight-color: transparent;
247	+ }
248	+ .CodeMirror-wrap pre {
249	+ word-wrap: break-word;
250	+ white-space: pre-wrap;
251	+ word-break: normal;
252	+ }
253	+
254	+ .CodeMirror-linebackground {
255	+ position: absolute;
256	+ left: 0; right: 0; top: 0; bottom: 0;
257	+ z-index: 0;
258	+ }
259	+
260	+ .CodeMirror-linewidget {
261	+ position: relative;
262	+ z-index: 2;
263	+ overflow: auto;
264	+ }
265	+
266	+ .CodeMirror-widget {}
267	+
268	+ .CodeMirror-code {
269	+ outline: none;
270	+ }
271	+
272	+ /* Force content-box sizing for the elements where we expect it */
273	+ .CodeMirror-scroll,
274	+ .CodeMirror-sizer,
275	+ .CodeMirror-gutter,
276	+ .CodeMirror-gutters,
277	+ .CodeMirror-linenumber {
278	+ -moz-box-sizing: content-box;
279	+ box-sizing: content-box;
280	+ }
281	+
282	+ .CodeMirror-measure {
283	+ position: absolute;
284	+ width: 100%;
285	+ height: 0;
286	+ overflow: hidden;
287	+ visibility: hidden;
288	+ }
289	+
290	+ .CodeMirror-cursor { position: absolute; }
291	+ .CodeMirror-measure pre { position: static; }
292	+
293	+ div.CodeMirror-cursors {
294	+ visibility: hidden;
295	+ position: relative;
296	+ z-index: 3;
297	+ }
298	+ div.CodeMirror-dragcursors {
299	+ visibility: visible;
300	+ }
301	+
302	+ .CodeMirror-focused div.CodeMirror-cursors {
303	+ visibility: visible;
304	+ }
305	+
306	+ .CodeMirror-selected { background: #d9d9d9; }
307	+ .CodeMirror-focused .CodeMirror-selected { background: #d7d4f0; }
308	+ .CodeMirror-crosshair { cursor: crosshair; }
309	+ .CodeMirror-line::selection, .CodeMirror-line > span::selection, .CodeMirror-line > span > span::selection { background: #d7d4f0; }
310	+ .CodeMirror-line::-moz-selection, .CodeMirror-line > span::-moz-selection, .CodeMirror-line > span > span::-moz-selection { background: #d7d4f0; }
311	+
312	+ .cm-searching {
313	+ background: #ffa;
314	+ background: rgba(255, 255, 0, .4);
315	+ }
316	+
317	+ /* IE7 hack to prevent it from returning funny offsetTops on the spans */
318	+ .CodeMirror span { *vertical-align: text-bottom; }
319	+
320	+ /* Used to force a border model for a node */
321	+ .cm-force-border { padding-right: .1px; }
322	+
323	+ @media print {
324	+ /* Hide the cursor when printing */
325	+ .CodeMirror div.CodeMirror-cursors {
326	+ visibility: hidden;
327	+ }
328	+ }
329	+
330	+ /* See issue #2901 */
331	+ .cm-tab-wrap-hack:after { content: ''; }
332	+
333	+ /* Help users use markselection to safely style text background */
334	+ span.CodeMirror-selectedtext { background: none; }

codemirror/codemirror.js ADDED Viewed

	@@ -0,0 +1,8880 @@


1	+ // CodeMirror, copyright (c) by Marijn Haverbeke and others
2	+ // Distributed under an MIT license: http://codemirror.net/LICENSE
3	+
4	+ // This is CodeMirror (http://codemirror.net), a code editor
5	+ // implemented in JavaScript on top of the browser's DOM.
6	+ //
7	+ // You can find some technical background for some of the code below
8	+ // at http://marijnhaverbeke.nl/blog/#cm-internals .
9	+
10	+ (function(mod) {
11	+ if (typeof exports == "object" && typeof module == "object") // CommonJS
12	+ module.exports = mod();
13	+ else if (typeof define == "function" && define.amd) // AMD
14	+ return define([], mod);
15	+ else // Plain browser env
16	+ (this \|\| window).CodeMirror = mod();
17	+ })(function() {
18	+ "use strict";
19	+
20	+ // BROWSER SNIFFING
21	+
22	+ // Kludges for bugs and behavior differences that can't be feature
23	+ // detected are enabled based on userAgent etc sniffing.
24	+ var userAgent = navigator.userAgent;
25	+ var platform = navigator.platform;
26	+
27	+ var gecko = /gecko\/\d/i.test(userAgent);
28	+ var ie_upto10 = /MSIE \d/.test(userAgent);
29	+ var ie_11up = /Trident\/(?:[7-9]\|\d{2,})\..*rv:(\d+)/.exec(userAgent);
30	+ var ie = ie_upto10 \|\| ie_11up;
31	+ var ie_version = ie && (ie_upto10 ? document.documentMode \|\| 6 : ie_11up[1]);
32	+ var webkit = /WebKit\//.test(userAgent);
33	+ var qtwebkit = webkit && /Qt\/\d+\.\d+/.test(userAgent);
34	+ var chrome = /Chrome\//.test(userAgent);
35	+ var presto = /Opera\//.test(userAgent);
36	+ var safari = /Apple Computer/.test(navigator.vendor);
37	+ var mac_geMountainLion = /Mac OS X 1\d\D([8-9]\|\d\d)\D/.test(userAgent);
38	+ var phantom = /PhantomJS/.test(userAgent);
39	+
40	+ var ios = /AppleWebKit/.test(userAgent) && /Mobile\/\w+/.test(userAgent);
41	+ // This is woefully incomplete. Suggestions for alternative methods welcome.
42	+ var mobile = ios \|\| /Android\|webOS\|BlackBerry\|Opera Mini\|Opera Mobi\|IEMobile/i.test(userAgent);
43	+ var mac = ios \|\| /Mac/.test(platform);
44	+ var windows = /win/i.test(platform);
45	+
46	+ var presto_version = presto && userAgent.match(/Version\/(\d\.\d)/);
47	+ if (presto_version) presto_version = Number(presto_version[1]);
48	+ if (presto_version && presto_version >= 15) { presto = false; webkit = true; }
49	+ // Some browsers use the wrong event properties to signal cmd/ctrl on OS X
50	+ var flipCtrlCmd = mac && (qtwebkit \|\| presto && (presto_version == null \|\| presto_version < 12.11));
51	+ var captureRightClick = gecko \|\| (ie && ie_version >= 9);
52	+
53	+ // Optimize some code when these features are not used.
54	+ var sawReadOnlySpans = false, sawCollapsedSpans = false;
55	+
56	+ // EDITOR CONSTRUCTOR
57	+
58	+ // A CodeMirror instance represents an editor. This is the object
59	+ // that user code is usually dealing with.
60	+
61	+ function CodeMirror(place, options) {
62	+ if (!(this instanceof CodeMirror)) return new CodeMirror(place, options);
63	+
64	+ this.options = options = options ? copyObj(options) : {};
65	+ // Determine effective options based on given values and defaults.
66	+ copyObj(defaults, options, false);
67	+ setGuttersForLineNumbers(options);
68	+
69	+ var doc = options.value;
70	+ if (typeof doc == "string") doc = new Doc(doc, options.mode, null, options.lineSeparator);
71	+ this.doc = doc;
72	+
73	+ var input = new CodeMirror.inputStyles[options.inputStyle](this);
74	+ var display = this.display = new Display(place, doc, input);
75	+ display.wrapper.CodeMirror = this;
76	+ updateGutters(this);
77	+ themeChanged(this);
78	+ if (options.lineWrapping)
79	+ this.display.wrapper.className += " CodeMirror-wrap";
80	+ if (options.autofocus && !mobile) display.input.focus();
81	+ initScrollbars(this);
82	+
83	+ this.state = {
84	+ keyMaps: [], // stores maps added by addKeyMap
85	+ overlays: [], // highlighting overlays, as added by addOverlay
86	+ modeGen: 0, // bumped when mode/overlay changes, used to invalidate highlighting info
87	+ overwrite: false,
88	+ delayingBlurEvent: false,
89	+ focused: false,
90	+ suppressEdits: false, // used to disable editing during key handlers when in readOnly mode
91	+ pasteIncoming: false, cutIncoming: false, // help recognize paste/cut edits in input.poll
92	+ selectingText: false,
93	+ draggingText: false,
94	+ highlight: new Delayed(), // stores highlight worker timeout
95	+ keySeq: null, // Unfinished key sequence
96	+ specialChars: null
97	+ };
98	+
99	+ var cm = this;
100	+
101	+ // Override magic textarea content restore that IE sometimes does
102	+ // on our hidden textarea on reload
103	+ if (ie && ie_version < 11) setTimeout(function() { cm.display.input.reset(true); }, 20);
104	+
105	+ registerEventHandlers(this);
106	+ ensureGlobalHandlers();
107	+
108	+ startOperation(this);
109	+ this.curOp.forceUpdate = true;
110	+ attachDoc(this, doc);
111	+
112	+ if ((options.autofocus && !mobile) \|\| cm.hasFocus())
113	+ setTimeout(bind(onFocus, this), 20);
114	+ else
115	+ onBlur(this);
116	+
117	+ for (var opt in optionHandlers) if (optionHandlers.hasOwnProperty(opt))
118	+ optionHandlers[opt](this, options[opt], Init);
119	+ maybeUpdateLineNumberWidth(this);
120	+ if (options.finishInit) options.finishInit(this);
121	+ for (var i = 0; i < initHooks.length; ++i) initHooks[i](this);
122	+ endOperation(this);
123	+ // Suppress optimizelegibility in Webkit, since it breaks text
124	+ // measuring on line wrapping boundaries.
125	+ if (webkit && options.lineWrapping &&
126	+ getComputedStyle(display.lineDiv).textRendering == "optimizelegibility")
127	+ display.lineDiv.style.textRendering = "auto";
128	+ }
129	+
130	+ // DISPLAY CONSTRUCTOR
131	+
132	+ // The display handles the DOM integration, both for input reading
133	+ // and content drawing. It holds references to DOM nodes and
134	+ // display-related state.
135	+
136	+ function Display(place, doc, input) {
137	+ var d = this;
138	+ this.input = input;
139	+
140	+ // Covers bottom-right square when both scrollbars are present.
141	+ d.scrollbarFiller = elt("div", null, "CodeMirror-scrollbar-filler");
142	+ d.scrollbarFiller.setAttribute("cm-not-content", "true");
143	+ // Covers bottom of gutter when coverGutterNextToScrollbar is on
144	+ // and h scrollbar is present.
145	+ d.gutterFiller = elt("div", null, "CodeMirror-gutter-filler");
146	+ d.gutterFiller.setAttribute("cm-not-content", "true");
147	+ // Will contain the actual code, positioned to cover the viewport.
148	+ d.lineDiv = elt("div", null, "CodeMirror-code");
149	+ // Elements are added to these to represent selection and cursors.
150	+ d.selectionDiv = elt("div", null, null, "position: relative; z-index: 1");
151	+ d.cursorDiv = elt("div", null, "CodeMirror-cursors");
152	+ // A visibility: hidden element used to find the size of things.
153	+ d.measure = elt("div", null, "CodeMirror-measure");
154	+ // When lines outside of the viewport are measured, they are drawn in this.
155	+ d.lineMeasure = elt("div", null, "CodeMirror-measure");
156	+ // Wraps everything that needs to exist inside the vertically-padded coordinate system
157	+ d.lineSpace = elt("div", [d.measure, d.lineMeasure, d.selectionDiv, d.cursorDiv, d.lineDiv],
158	+ null, "position: relative; outline: none");
159	+ // Moved around its parent to cover visible view.
160	+ d.mover = elt("div", [elt("div", [d.lineSpace], "CodeMirror-lines")], null, "position: relative");
161	+ // Set to the height of the document, allowing scrolling.
162	+ d.sizer = elt("div", [d.mover], "CodeMirror-sizer");
163	+ d.sizerWidth = null;
164	+ // Behavior of elts with overflow: auto and padding is
165	+ // inconsistent across browsers. This is used to ensure the
166	+ // scrollable area is big enough.
167	+ d.heightForcer = elt("div", null, null, "position: absolute; height: " + scrollerGap + "px; width: 1px;");
168	+ // Will contain the gutters, if any.
169	+ d.gutters = elt("div", null, "CodeMirror-gutters");
170	+ d.lineGutter = null;
171	+ // Actual scrollable element.
172	+ d.scroller = elt("div", [d.sizer, d.heightForcer, d.gutters], "CodeMirror-scroll");
173	+ d.scroller.setAttribute("tabIndex", "-1");
174	+ // The element in which the editor lives.
175	+ d.wrapper = elt("div", [d.scrollbarFiller, d.gutterFiller, d.scroller], "CodeMirror");
176	+
177	+ // Work around IE7 z-index bug (not perfect, hence IE7 not really being supported)
178	+ if (ie && ie_version < 8) { d.gutters.style.zIndex = -1; d.scroller.style.paddingRight = 0; }
179	+ if (!webkit && !(gecko && mobile)) d.scroller.draggable = true;
180	+
181	+ if (place) {
182	+ if (place.appendChild) place.appendChild(d.wrapper);
183	+ else place(d.wrapper);
184	+ }
185	+
186	+ // Current rendered range (may be bigger than the view window).
187	+ d.viewFrom = d.viewTo = doc.first;
188	+ d.reportedViewFrom = d.reportedViewTo = doc.first;
189	+ // Information about the rendered lines.
190	+ d.view = [];
191	+ d.renderedView = null;
192	+ // Holds info about a single rendered line when it was rendered
193	+ // for measurement, while not in view.
194	+ d.externalMeasured = null;
195	+ // Empty space (in pixels) above the view
196	+ d.viewOffset = 0;
197	+ d.lastWrapHeight = d.lastWrapWidth = 0;
198	+ d.updateLineNumbers = null;
199	+
200	+ d.nativeBarWidth = d.barHeight = d.barWidth = 0;
201	+ d.scrollbarsClipped = false;
202	+
203	+ // Used to only resize the line number gutter when necessary (when
204	+ // the amount of lines crosses a boundary that makes its width change)
205	+ d.lineNumWidth = d.lineNumInnerWidth = d.lineNumChars = null;
206	+ // Set to true when a non-horizontal-scrolling line widget is
207	+ // added. As an optimization, line widget aligning is skipped when
208	+ // this is false.
209	+ d.alignWidgets = false;
210	+
211	+ d.cachedCharWidth = d.cachedTextHeight = d.cachedPaddingH = null;
212	+
213	+ // Tracks the maximum line length so that the horizontal scrollbar
214	+ // can be kept static when scrolling.
215	+ d.maxLine = null;
216	+ d.maxLineLength = 0;
217	+ d.maxLineChanged = false;
218	+
219	+ // Used for measuring wheel scrolling granularity
220	+ d.wheelDX = d.wheelDY = d.wheelStartX = d.wheelStartY = null;
221	+
222	+ // True when shift is held down.
223	+ d.shift = false;
224	+
225	+ // Used to track whether anything happened since the context menu
226	+ // was opened.
227	+ d.selForContextMenu = null;
228	+
229	+ d.activeTouch = null;
230	+
231	+ input.init(d);
232	+ }
233	+
234	+ // STATE UPDATES
235	+
236	+ // Used to get the editor into a consistent state again when options change.
237	+
238	+ function loadMode(cm) {
239	+ cm.doc.mode = CodeMirror.getMode(cm.options, cm.doc.modeOption);
240	+ resetModeState(cm);
241	+ }
242	+
243	+ function resetModeState(cm) {
244	+ cm.doc.iter(function(line) {
245	+ if (line.stateAfter) line.stateAfter = null;
246	+ if (line.styles) line.styles = null;
247	+ });
248	+ cm.doc.frontier = cm.doc.first;
249	+ startWorker(cm, 100);
250	+ cm.state.modeGen++;
251	+ if (cm.curOp) regChange(cm);
252	+ }
253	+
254	+ function wrappingChanged(cm) {
255	+ if (cm.options.lineWrapping) {
256	+ addClass(cm.display.wrapper, "CodeMirror-wrap");
257	+ cm.display.sizer.style.minWidth = "";
258	+ cm.display.sizerWidth = null;
259	+ } else {
260	+ rmClass(cm.display.wrapper, "CodeMirror-wrap");
261	+ findMaxLine(cm);
262	+ }
263	+ estimateLineHeights(cm);
264	+ regChange(cm);
265	+ clearCaches(cm);
266	+ setTimeout(function(){updateScrollbars(cm);}, 100);
267	+ }
268	+
269	+ // Returns a function that estimates the height of a line, to use as
270	+ // first approximation until the line becomes visible (and is thus
271	+ // properly measurable).
272	+ function estimateHeight(cm) {
273	+ var th = textHeight(cm.display), wrapping = cm.options.lineWrapping;
274	+ var perLine = wrapping && Math.max(5, cm.display.scroller.clientWidth / charWidth(cm.display) - 3);
275	+ return function(line) {
276	+ if (lineIsHidden(cm.doc, line)) return 0;
277	+
278	+ var widgetsHeight = 0;
279	+ if (line.widgets) for (var i = 0; i < line.widgets.length; i++) {
280	+ if (line.widgets[i].height) widgetsHeight += line.widgets[i].height;
281	+ }
282	+
283	+ if (wrapping)
284	+ return widgetsHeight + (Math.ceil(line.text.length / perLine) \|\| 1) * th;
285	+ else
286	+ return widgetsHeight + th;
287	+ };
288	+ }
289	+
290	+ function estimateLineHeights(cm) {
291	+ var doc = cm.doc, est = estimateHeight(cm);
292	+ doc.iter(function(line) {
293	+ var estHeight = est(line);
294	+ if (estHeight != line.height) updateLineHeight(line, estHeight);
295	+ });
296	+ }
297	+
298	+ function themeChanged(cm) {
299	+ cm.display.wrapper.className = cm.display.wrapper.className.replace(/\s*cm-s-\S+/g, "") +
300	+ cm.options.theme.replace(/(^\|\s)\s*/g, " cm-s-");
301	+ clearCaches(cm);
302	+ }
303	+
304	+ function guttersChanged(cm) {
305	+ updateGutters(cm);
306	+ regChange(cm);
307	+ setTimeout(function(){alignHorizontally(cm);}, 20);
308	+ }
309	+
310	+ // Rebuild the gutter elements, ensure the margin to the left of the
311	+ // code matches their width.
312	+ function updateGutters(cm) {
313	+ var gutters = cm.display.gutters, specs = cm.options.gutters;
314	+ removeChildren(gutters);
315	+ for (var i = 0; i < specs.length; ++i) {
316	+ var gutterClass = specs[i];
317	+ var gElt = gutters.appendChild(elt("div", null, "CodeMirror-gutter " + gutterClass));
318	+ if (gutterClass == "CodeMirror-linenumbers") {
319	+ cm.display.lineGutter = gElt;
320	+ gElt.style.width = (cm.display.lineNumWidth \|\| 1) + "px";
321	+ }
322	+ }
323	+ gutters.style.display = i ? "" : "none";
324	+ updateGutterSpace(cm);
325	+ }
326	+
327	+ function updateGutterSpace(cm) {
328	+ var width = cm.display.gutters.offsetWidth;
329	+ cm.display.sizer.style.marginLeft = width + "px";
330	+ }
331	+
332	+ // Compute the character length of a line, taking into account
333	+ // collapsed ranges (see markText) that might hide parts, and join
334	+ // other lines onto it.
335	+ function lineLength(line) {
336	+ if (line.height == 0) return 0;
337	+ var len = line.text.length, merged, cur = line;
338	+ while (merged = collapsedSpanAtStart(cur)) {
339	+ var found = merged.find(0, true);
340	+ cur = found.from.line;
341	+ len += found.from.ch - found.to.ch;
342	+ }
343	+ cur = line;
344	+ while (merged = collapsedSpanAtEnd(cur)) {
345	+ var found = merged.find(0, true);
346	+ len -= cur.text.length - found.from.ch;
347	+ cur = found.to.line;
348	+ len += cur.text.length - found.to.ch;
349	+ }
350	+ return len;
351	+ }
352	+
353	+ // Find the longest line in the document.
354	+ function findMaxLine(cm) {
355	+ var d = cm.display, doc = cm.doc;
356	+ d.maxLine = getLine(doc, doc.first);
357	+ d.maxLineLength = lineLength(d.maxLine);
358	+ d.maxLineChanged = true;
359	+ doc.iter(function(line) {
360	+ var len = lineLength(line);
361	+ if (len > d.maxLineLength) {
362	+ d.maxLineLength = len;
363	+ d.maxLine = line;
364	+ }
365	+ });
366	+ }
367	+
368	+ // Make sure the gutters options contains the element
369	+ // "CodeMirror-linenumbers" when the lineNumbers option is true.
370	+ function setGuttersForLineNumbers(options) {
371	+ var found = indexOf(options.gutters, "CodeMirror-linenumbers");
372	+ if (found == -1 && options.lineNumbers) {
373	+ options.gutters = options.gutters.concat(["CodeMirror-linenumbers"]);
374	+ } else if (found > -1 && !options.lineNumbers) {
375	+ options.gutters = options.gutters.slice(0);
376	+ options.gutters.splice(found, 1);
377	+ }
378	+ }
379	+
380	+ // SCROLLBARS
381	+
382	+ // Prepare DOM reads needed to update the scrollbars. Done in one
383	+ // shot to minimize update/measure roundtrips.
384	+ function measureForScrollbars(cm) {
385	+ var d = cm.display, gutterW = d.gutters.offsetWidth;
386	+ var docH = Math.round(cm.doc.height + paddingVert(cm.display));
387	+ return {
388	+ clientHeight: d.scroller.clientHeight,
389	+ viewHeight: d.wrapper.clientHeight,
390	+ scrollWidth: d.scroller.scrollWidth, clientWidth: d.scroller.clientWidth,
391	+ viewWidth: d.wrapper.clientWidth,
392	+ barLeft: cm.options.fixedGutter ? gutterW : 0,
393	+ docHeight: docH,
394	+ scrollHeight: docH + scrollGap(cm) + d.barHeight,
395	+ nativeBarWidth: d.nativeBarWidth,
396	+ gutterWidth: gutterW
397	+ };
398	+ }
399	+
400	+ function NativeScrollbars(place, scroll, cm) {
401	+ this.cm = cm;
402	+ var vert = this.vert = elt("div", [elt("div", null, null, "min-width: 1px")], "CodeMirror-vscrollbar");
403	+ var horiz = this.horiz = elt("div", [elt("div", null, null, "height: 100%; min-height: 1px")], "CodeMirror-hscrollbar");
404	+ place(vert); place(horiz);
405	+
406	+ on(vert, "scroll", function() {
407	+ if (vert.clientHeight) scroll(vert.scrollTop, "vertical");
408	+ });
409	+ on(horiz, "scroll", function() {
410	+ if (horiz.clientWidth) scroll(horiz.scrollLeft, "horizontal");
411	+ });
412	+
413	+ this.checkedZeroWidth = false;
414	+ // Need to set a minimum width to see the scrollbar on IE7 (but must not set it on IE8).
415	+ if (ie && ie_version < 8) this.horiz.style.minHeight = this.vert.style.minWidth = "18px";
416	+ }
417	+
418	+ NativeScrollbars.prototype = copyObj({
419	+ update: function(measure) {
420	+ var needsH = measure.scrollWidth > measure.clientWidth + 1;
421	+ var needsV = measure.scrollHeight > measure.clientHeight + 1;
422	+ var sWidth = measure.nativeBarWidth;
423	+
424	+ if (needsV) {
425	+ this.vert.style.display = "block";
426	+ this.vert.style.bottom = needsH ? sWidth + "px" : "0";
427	+ var totalHeight = measure.viewHeight - (needsH ? sWidth : 0);
428	+ // A bug in IE8 can cause this value to be negative, so guard it.
429	+ this.vert.firstChild.style.height =
430	+ Math.max(0, measure.scrollHeight - measure.clientHeight + totalHeight) + "px";
431	+ } else {
432	+ this.vert.style.display = "";
433	+ this.vert.firstChild.style.height = "0";
434	+ }
435	+
436	+ if (needsH) {
437	+ this.horiz.style.display = "block";
438	+ this.horiz.style.right = needsV ? sWidth + "px" : "0";
439	+ this.horiz.style.left = measure.barLeft + "px";
440	+ var totalWidth = measure.viewWidth - measure.barLeft - (needsV ? sWidth : 0);
441	+ this.horiz.firstChild.style.width =
442	+ (measure.scrollWidth - measure.clientWidth + totalWidth) + "px";
443	+ } else {
444	+ this.horiz.style.display = "";
445	+ this.horiz.firstChild.style.width = "0";
446	+ }
447	+
448	+ if (!this.checkedZeroWidth && measure.clientHeight > 0) {
449	+ if (sWidth == 0) this.zeroWidthHack();
450	+ this.checkedZeroWidth = true;
451	+ }
452	+
453	+ return {right: needsV ? sWidth : 0, bottom: needsH ? sWidth : 0};
454	+ },
455	+ setScrollLeft: function(pos) {
456	+ if (this.horiz.scrollLeft != pos) this.horiz.scrollLeft = pos;
457	+ if (this.disableHoriz) this.enableZeroWidthBar(this.horiz, this.disableHoriz);
458	+ },
459	+ setScrollTop: function(pos) {
460	+ if (this.vert.scrollTop != pos) this.vert.scrollTop = pos;
461	+ if (this.disableVert) this.enableZeroWidthBar(this.vert, this.disableVert);
462	+ },
463	+ zeroWidthHack: function() {
464	+ var w = mac && !mac_geMountainLion ? "12px" : "18px";
465	+ this.horiz.style.height = this.vert.style.width = w;
466	+ this.horiz.style.pointerEvents = this.vert.style.pointerEvents = "none";
467	+ this.disableHoriz = new Delayed;
468	+ this.disableVert = new Delayed;
469	+ },
470	+ enableZeroWidthBar: function(bar, delay) {
471	+ bar.style.pointerEvents = "auto";
472	+ function maybeDisable() {
473	+ // To find out whether the scrollbar is still visible, we
474	+ // check whether the element under the pixel in the bottom
475	+ // left corner of the scrollbar box is the scrollbar box
476	+ // itself (when the bar is still visible) or its filler child
477	+ // (when the bar is hidden). If it is still visible, we keep
478	+ // it enabled, if it's hidden, we disable pointer events.
479	+ var box = bar.getBoundingClientRect();
480	+ var elt = document.elementFromPoint(box.left + 1, box.bottom - 1);
481	+ if (elt != bar) bar.style.pointerEvents = "none";
482	+ else delay.set(1000, maybeDisable);
483	+ }
484	+ delay.set(1000, maybeDisable);
485	+ },
486	+ clear: function() {
487	+ var parent = this.horiz.parentNode;
488	+ parent.removeChild(this.horiz);
489	+ parent.removeChild(this.vert);
490	+ }
491	+ }, NativeScrollbars.prototype);
492	+
493	+ function NullScrollbars() {}
494	+
495	+ NullScrollbars.prototype = copyObj({
496	+ update: function() { return {bottom: 0, right: 0}; },
497	+ setScrollLeft: function() {},
498	+ setScrollTop: function() {},
499	+ clear: function() {}
500	+ }, NullScrollbars.prototype);
501	+
502	+ CodeMirror.scrollbarModel = {"native": NativeScrollbars, "null": NullScrollbars};
503	+
504	+ function initScrollbars(cm) {
505	+ if (cm.display.scrollbars) {
506	+ cm.display.scrollbars.clear();
507	+ if (cm.display.scrollbars.addClass)
508	+ rmClass(cm.display.wrapper, cm.display.scrollbars.addClass);
509	+ }
510	+
511	+ cm.display.scrollbars = new CodeMirror.scrollbarModel[cm.options.scrollbarStyle](function(node) {
512	+ cm.display.wrapper.insertBefore(node, cm.display.scrollbarFiller);
513	+ // Prevent clicks in the scrollbars from killing focus
514	+ on(node, "mousedown", function() {
515	+ if (cm.state.focused) setTimeout(function() { cm.display.input.focus(); }, 0);
516	+ });
517	+ node.setAttribute("cm-not-content", "true");
518	+ }, function(pos, axis) {
519	+ if (axis == "horizontal") setScrollLeft(cm, pos);
520	+ else setScrollTop(cm, pos);
521	+ }, cm);
522	+ if (cm.display.scrollbars.addClass)
523	+ addClass(cm.display.wrapper, cm.display.scrollbars.addClass);
524	+ }
525	+
526	+ function updateScrollbars(cm, measure) {
527	+ if (!measure) measure = measureForScrollbars(cm);
528	+ var startWidth = cm.display.barWidth, startHeight = cm.display.barHeight;
529	+ updateScrollbarsInner(cm, measure);
530	+ for (var i = 0; i < 4 && startWidth != cm.display.barWidth \|\| startHeight != cm.display.barHeight; i++) {
531	+ if (startWidth != cm.display.barWidth && cm.options.lineWrapping)
532	+ updateHeightsInViewport(cm);
533	+ updateScrollbarsInner(cm, measureForScrollbars(cm));
534	+ startWidth = cm.display.barWidth; startHeight = cm.display.barHeight;
535	+ }
536	+ }
537	+
538	+ // Re-synchronize the fake scrollbars with the actual size of the
539	+ // content.
540	+ function updateScrollbarsInner(cm, measure) {
541	+ var d = cm.display;
542	+ var sizes = d.scrollbars.update(measure);
543	+
544	+ d.sizer.style.paddingRight = (d.barWidth = sizes.right) + "px";
545	+ d.sizer.style.paddingBottom = (d.barHeight = sizes.bottom) + "px";
546	+
547	+ if (sizes.right && sizes.bottom) {
548	+ d.scrollbarFiller.style.display = "block";
549	+ d.scrollbarFiller.style.height = sizes.bottom + "px";
550	+ d.scrollbarFiller.style.width = sizes.right + "px";
551	+ } else d.scrollbarFiller.style.display = "";
552	+ if (sizes.bottom && cm.options.coverGutterNextToScrollbar && cm.options.fixedGutter) {
553	+ d.gutterFiller.style.display = "block";
554	+ d.gutterFiller.style.height = sizes.bottom + "px";
555	+ d.gutterFiller.style.width = measure.gutterWidth + "px";
556	+ } else d.gutterFiller.style.display = "";
557	+ }
558	+
559	+ // Compute the lines that are visible in a given viewport (defaults
560	+ // the the current scroll position). viewport may contain top,
561	+ // height, and ensure (see op.scrollToPos) properties.
562	+ function visibleLines(display, doc, viewport) {
563	+ var top = viewport && viewport.top != null ? Math.max(0, viewport.top) : display.scroller.scrollTop;
564	+ top = Math.floor(top - paddingTop(display));
565	+ var bottom = viewport && viewport.bottom != null ? viewport.bottom : top + display.wrapper.clientHeight;
566	+
567	+ var from = lineAtHeight(doc, top), to = lineAtHeight(doc, bottom);
568	+ // Ensure is a {from: {line, ch}, to: {line, ch}} object, and
569	+ // forces those lines into the viewport (if possible).
570	+ if (viewport && viewport.ensure) {
571	+ var ensureFrom = viewport.ensure.from.line, ensureTo = viewport.ensure.to.line;
572	+ if (ensureFrom < from) {
573	+ from = ensureFrom;
574	+ to = lineAtHeight(doc, heightAtLine(getLine(doc, ensureFrom)) + display.wrapper.clientHeight);
575	+ } else if (Math.min(ensureTo, doc.lastLine()) >= to) {
576	+ from = lineAtHeight(doc, heightAtLine(getLine(doc, ensureTo)) - display.wrapper.clientHeight);
577	+ to = ensureTo;
578	+ }
579	+ }
580	+ return {from: from, to: Math.max(to, from + 1)};
581	+ }
582	+
583	+ // LINE NUMBERS
584	+
585	+ // Re-align line numbers and gutter marks to compensate for
586	+ // horizontal scrolling.
587	+ function alignHorizontally(cm) {
588	+ var display = cm.display, view = display.view;
589	+ if (!display.alignWidgets && (!display.gutters.firstChild \|\| !cm.options.fixedGutter)) return;
590	+ var comp = compensateForHScroll(display) - display.scroller.scrollLeft + cm.doc.scrollLeft;
591	+ var gutterW = display.gutters.offsetWidth, left = comp + "px";
592	+ for (var i = 0; i < view.length; i++) if (!view[i].hidden) {
593	+ if (cm.options.fixedGutter && view[i].gutter)
594	+ view[i].gutter.style.left = left;
595	+ var align = view[i].alignable;
596	+ if (align) for (var j = 0; j < align.length; j++)
597	+ align[j].style.left = left;
598	+ }
599	+ if (cm.options.fixedGutter)
600	+ display.gutters.style.left = (comp + gutterW) + "px";
601	+ }
602	+
603	+ // Used to ensure that the line number gutter is still the right
604	+ // size for the current document size. Returns true when an update
605	+ // is needed.
606	+ function maybeUpdateLineNumberWidth(cm) {
607	+ if (!cm.options.lineNumbers) return false;
608	+ var doc = cm.doc, last = lineNumberFor(cm.options, doc.first + doc.size - 1), display = cm.display;
609	+ if (last.length != display.lineNumChars) {
610	+ var test = display.measure.appendChild(elt("div", [elt("div", last)],
611	+ "CodeMirror-linenumber CodeMirror-gutter-elt"));
612	+ var innerW = test.firstChild.offsetWidth, padding = test.offsetWidth - innerW;
613	+ display.lineGutter.style.width = "";
614	+ display.lineNumInnerWidth = Math.max(innerW, display.lineGutter.offsetWidth - padding) + 1;
615	+ display.lineNumWidth = display.lineNumInnerWidth + padding;
616	+ display.lineNumChars = display.lineNumInnerWidth ? last.length : -1;
617	+ display.lineGutter.style.width = display.lineNumWidth + "px";
618	+ updateGutterSpace(cm);
619	+ return true;
620	+ }
621	+ return false;
622	+ }
623	+
624	+ function lineNumberFor(options, i) {
625	+ return String(options.lineNumberFormatter(i + options.firstLineNumber));
626	+ }
627	+
628	+ // Computes display.scroller.scrollLeft + display.gutters.offsetWidth,
629	+ // but using getBoundingClientRect to get a sub-pixel-accurate
630	+ // result.
631	+ function compensateForHScroll(display) {
632	+ return display.scroller.getBoundingClientRect().left - display.sizer.getBoundingClientRect().left;
633	+ }
634	+
635	+ // DISPLAY DRAWING
636	+
637	+ function DisplayUpdate(cm, viewport, force) {
638	+ var display = cm.display;
639	+
640	+ this.viewport = viewport;
641	+ // Store some values that we'll need later (but don't want to force a relayout for)
642	+ this.visible = visibleLines(display, cm.doc, viewport);
643	+ this.editorIsHidden = !display.wrapper.offsetWidth;
644	+ this.wrapperHeight = display.wrapper.clientHeight;
645	+ this.wrapperWidth = display.wrapper.clientWidth;
646	+ this.oldDisplayWidth = displayWidth(cm);
647	+ this.force = force;
648	+ this.dims = getDimensions(cm);
649	+ this.events = [];
650	+ }
651	+
652	+ DisplayUpdate.prototype.signal = function(emitter, type) {
653	+ if (hasHandler(emitter, type))
654	+ this.events.push(arguments);
655	+ };
656	+ DisplayUpdate.prototype.finish = function() {
657	+ for (var i = 0; i < this.events.length; i++)
658	+ signal.apply(null, this.events[i]);
659	+ };
660	+
661	+ function maybeClipScrollbars(cm) {
662	+ var display = cm.display;
663	+ if (!display.scrollbarsClipped && display.scroller.offsetWidth) {
664	+ display.nativeBarWidth = display.scroller.offsetWidth - display.scroller.clientWidth;
665	+ display.heightForcer.style.height = scrollGap(cm) + "px";
666	+ display.sizer.style.marginBottom = -display.nativeBarWidth + "px";
667	+ display.sizer.style.borderRightWidth = scrollGap(cm) + "px";
668	+ display.scrollbarsClipped = true;
669	+ }
670	+ }
671	+
672	+ // Does the actual updating of the line display. Bails out
673	+ // (returning false) when there is nothing to be done and forced is
674	+ // false.
675	+ function updateDisplayIfNeeded(cm, update) {
676	+ var display = cm.display, doc = cm.doc;
677	+
678	+ if (update.editorIsHidden) {
679	+ resetView(cm);
680	+ return false;
681	+ }
682	+
683	+ // Bail out if the visible area is already rendered and nothing changed.
684	+ if (!update.force &&
685	+ update.visible.from >= display.viewFrom && update.visible.to <= display.viewTo &&
686	+ (display.updateLineNumbers == null \|\| display.updateLineNumbers >= display.viewTo) &&
687	+ display.renderedView == display.view && countDirtyView(cm) == 0)
688	+ return false;
689	+
690	+ if (maybeUpdateLineNumberWidth(cm)) {
691	+ resetView(cm);
692	+ update.dims = getDimensions(cm);
693	+ }
694	+
695	+ // Compute a suitable new viewport (from & to)
696	+ var end = doc.first + doc.size;
697	+ var from = Math.max(update.visible.from - cm.options.viewportMargin, doc.first);
698	+ var to = Math.min(end, update.visible.to + cm.options.viewportMargin);
699	+ if (display.viewFrom < from && from - display.viewFrom < 20) from = Math.max(doc.first, display.viewFrom);
700	+ if (display.viewTo > to && display.viewTo - to < 20) to = Math.min(end, display.viewTo);
701	+ if (sawCollapsedSpans) {
702	+ from = visualLineNo(cm.doc, from);
703	+ to = visualLineEndNo(cm.doc, to);
704	+ }
705	+
706	+ var different = from != display.viewFrom \|\| to != display.viewTo \|\|
707	+ display.lastWrapHeight != update.wrapperHeight \|\| display.lastWrapWidth != update.wrapperWidth;
708	+ adjustView(cm, from, to);
709	+
710	+ display.viewOffset = heightAtLine(getLine(cm.doc, display.viewFrom));
711	+ // Position the mover div to align with the current scroll position
712	+ cm.display.mover.style.top = display.viewOffset + "px";
713	+
714	+ var toUpdate = countDirtyView(cm);
715	+ if (!different && toUpdate == 0 && !update.force && display.renderedView == display.view &&
716	+ (display.updateLineNumbers == null \|\| display.updateLineNumbers >= display.viewTo))
717	+ return false;
718	+
719	+ // For big changes, we hide the enclosing element during the
720	+ // update, since that speeds up the operations on most browsers.
721	+ var focused = activeElt();
722	+ if (toUpdate > 4) display.lineDiv.style.display = "none";
723	+ patchDisplay(cm, display.updateLineNumbers, update.dims);
724	+ if (toUpdate > 4) display.lineDiv.style.display = "";
725	+ display.renderedView = display.view;
726	+ // There might have been a widget with a focused element that got
727	+ // hidden or updated, if so re-focus it.
728	+ if (focused && activeElt() != focused && focused.offsetHeight) focused.focus();
729	+
730	+ // Prevent selection and cursors from interfering with the scroll
731	+ // width and height.
732	+ removeChildren(display.cursorDiv);
733	+ removeChildren(display.selectionDiv);
734	+ display.gutters.style.height = display.sizer.style.minHeight = 0;
735	+
736	+ if (different) {
737	+ display.lastWrapHeight = update.wrapperHeight;
738	+ display.lastWrapWidth = update.wrapperWidth;
739	+ startWorker(cm, 400);
740	+ }
741	+
742	+ display.updateLineNumbers = null;
743	+
744	+ return true;
745	+ }
746	+
747	+ function postUpdateDisplay(cm, update) {
748	+ var viewport = update.viewport;
749	+ for (var first = true;; first = false) {
750	+ if (!first \|\| !cm.options.lineWrapping \|\| update.oldDisplayWidth == displayWidth(cm)) {
751	+ // Clip forced viewport to actual scrollable area.
752	+ if (viewport && viewport.top != null)
753	+ viewport = {top: Math.min(cm.doc.height + paddingVert(cm.display) - displayHeight(cm), viewport.top)};
754	+ // Updated line heights might result in the drawn area not
755	+ // actually covering the viewport. Keep looping until it does.
756	+ update.visible = visibleLines(cm.display, cm.doc, viewport);
757	+ if (update.visible.from >= cm.display.viewFrom && update.visible.to <= cm.display.viewTo)
758	+ break;
759	+ }
760	+ if (!updateDisplayIfNeeded(cm, update)) break;
761	+ updateHeightsInViewport(cm);
762	+ var barMeasure = measureForScrollbars(cm);
763	+ updateSelection(cm);
764	+ setDocumentHeight(cm, barMeasure);
765	+ updateScrollbars(cm, barMeasure);
766	+ }
767	+
768	+ update.signal(cm, "update", cm);
769	+ if (cm.display.viewFrom != cm.display.reportedViewFrom \|\| cm.display.viewTo != cm.display.reportedViewTo) {
770	+ update.signal(cm, "viewportChange", cm, cm.display.viewFrom, cm.display.viewTo);
771	+ cm.display.reportedViewFrom = cm.display.viewFrom; cm.display.reportedViewTo = cm.display.viewTo;
772	+ }
773	+ }
774	+
775	+ function updateDisplaySimple(cm, viewport) {
776	+ var update = new DisplayUpdate(cm, viewport);
777	+ if (updateDisplayIfNeeded(cm, update)) {
778	+ updateHeightsInViewport(cm);
779	+ postUpdateDisplay(cm, update);
780	+ var barMeasure = measureForScrollbars(cm);
781	+ updateSelection(cm);
782	+ setDocumentHeight(cm, barMeasure);
783	+ updateScrollbars(cm, barMeasure);
784	+ update.finish();
785	+ }
786	+ }
787	+
788	+ function setDocumentHeight(cm, measure) {
789	+ cm.display.sizer.style.minHeight = measure.docHeight + "px";
790	+ var total = measure.docHeight + cm.display.barHeight;
791	+ cm.display.heightForcer.style.top = total + "px";
792	+ cm.display.gutters.style.height = Math.max(total + scrollGap(cm), measure.clientHeight) + "px";
793	+ }
794	+
795	+ // Read the actual heights of the rendered lines, and update their
796	+ // stored heights to match.
797	+ function updateHeightsInViewport(cm) {
798	+ var display = cm.display;
799	+ var prevBottom = display.lineDiv.offsetTop;
800	+ for (var i = 0; i < display.view.length; i++) {
801	+ var cur = display.view[i], height;
802	+ if (cur.hidden) continue;
803	+ if (ie && ie_version < 8) {
804	+ var bot = cur.node.offsetTop + cur.node.offsetHeight;
805	+ height = bot - prevBottom;
806	+ prevBottom = bot;
807	+ } else {
808	+ var box = cur.node.getBoundingClientRect();
809	+ height = box.bottom - box.top;
810	+ }
811	+ var diff = cur.line.height - height;
812	+ if (height < 2) height = textHeight(display);
813	+ if (diff > .001 \|\| diff < -.001) {
814	+ updateLineHeight(cur.line, height);
815	+ updateWidgetHeight(cur.line);
816	+ if (cur.rest) for (var j = 0; j < cur.rest.length; j++)
817	+ updateWidgetHeight(cur.rest[j]);
818	+ }
819	+ }
820	+ }
821	+
822	+ // Read and store the height of line widgets associated with the
823	+ // given line.
824	+ function updateWidgetHeight(line) {
825	+ if (line.widgets) for (var i = 0; i < line.widgets.length; ++i)
826	+ line.widgets[i].height = line.widgets[i].node.parentNode.offsetHeight;
827	+ }
828	+
829	+ // Do a bulk-read of the DOM positions and sizes needed to draw the
830	+ // view, so that we don't interleave reading and writing to the DOM.
831	+ function getDimensions(cm) {
832	+ var d = cm.display, left = {}, width = {};
833	+ var gutterLeft = d.gutters.clientLeft;
834	+ for (var n = d.gutters.firstChild, i = 0; n; n = n.nextSibling, ++i) {
835	+ left[cm.options.gutters[i]] = n.offsetLeft + n.clientLeft + gutterLeft;
836	+ width[cm.options.gutters[i]] = n.clientWidth;
837	+ }
838	+ return {fixedPos: compensateForHScroll(d),
839	+ gutterTotalWidth: d.gutters.offsetWidth,
840	+ gutterLeft: left,
841	+ gutterWidth: width,
842	+ wrapperWidth: d.wrapper.clientWidth};
843	+ }
844	+
845	+ // Sync the actual display DOM structure with display.view, removing
846	+ // nodes for lines that are no longer in view, and creating the ones
847	+ // that are not there yet, and updating the ones that are out of
848	+ // date.
849	+ function patchDisplay(cm, updateNumbersFrom, dims) {
850	+ var display = cm.display, lineNumbers = cm.options.lineNumbers;
851	+ var container = display.lineDiv, cur = container.firstChild;
852	+
853	+ function rm(node) {
854	+ var next = node.nextSibling;
855	+ // Works around a throw-scroll bug in OS X Webkit
856	+ if (webkit && mac && cm.display.currentWheelTarget == node)
857	+ node.style.display = "none";
858	+ else
859	+ node.parentNode.removeChild(node);
860	+ return next;
861	+ }
862	+
863	+ var view = display.view, lineN = display.viewFrom;
864	+ // Loop over the elements in the view, syncing cur (the DOM nodes
865	+ // in display.lineDiv) with the view as we go.
866	+ for (var i = 0; i < view.length; i++) {
867	+ var lineView = view[i];
868	+ if (lineView.hidden) {
869	+ } else if (!lineView.node \|\| lineView.node.parentNode != container) { // Not drawn yet
870	+ var node = buildLineElement(cm, lineView, lineN, dims);
871	+ container.insertBefore(node, cur);
872	+ } else { // Already drawn
873	+ while (cur != lineView.node) cur = rm(cur);
874	+ var updateNumber = lineNumbers && updateNumbersFrom != null &&
875	+ updateNumbersFrom <= lineN && lineView.lineNumber;
876	+ if (lineView.changes) {
877	+ if (indexOf(lineView.changes, "gutter") > -1) updateNumber = false;
878	+ updateLineForChanges(cm, lineView, lineN, dims);
879	+ }
880	+ if (updateNumber) {
881	+ removeChildren(lineView.lineNumber);
882	+ lineView.lineNumber.appendChild(document.createTextNode(lineNumberFor(cm.options, lineN)));
883	+ }
884	+ cur = lineView.node.nextSibling;
885	+ }
886	+ lineN += lineView.size;
887	+ }
888	+ while (cur) cur = rm(cur);
889	+ }
890	+
891	+ // When an aspect of a line changes, a string is added to
892	+ // lineView.changes. This updates the relevant part of the line's
893	+ // DOM structure.
894	+ function updateLineForChanges(cm, lineView, lineN, dims) {
895	+ for (var j = 0; j < lineView.changes.length; j++) {
896	+ var type = lineView.changes[j];
897	+ if (type == "text") updateLineText(cm, lineView);
898	+ else if (type == "gutter") updateLineGutter(cm, lineView, lineN, dims);
899	+ else if (type == "class") updateLineClasses(lineView);
900	+ else if (type == "widget") updateLineWidgets(cm, lineView, dims);
901	+ }
902	+ lineView.changes = null;
903	+ }
904	+
905	+ // Lines with gutter elements, widgets or a background class need to
906	+ // be wrapped, and have the extra elements added to the wrapper div
907	+ function ensureLineWrapped(lineView) {
908	+ if (lineView.node == lineView.text) {
909	+ lineView.node = elt("div", null, null, "position: relative");
910	+ if (lineView.text.parentNode)
911	+ lineView.text.parentNode.replaceChild(lineView.node, lineView.text);
912	+ lineView.node.appendChild(lineView.text);
913	+ if (ie && ie_version < 8) lineView.node.style.zIndex = 2;
914	+ }
915	+ return lineView.node;
916	+ }
917	+
918	+ function updateLineBackground(lineView) {
919	+ var cls = lineView.bgClass ? lineView.bgClass + " " + (lineView.line.bgClass \|\| "") : lineView.line.bgClass;
920	+ if (cls) cls += " CodeMirror-linebackground";
921	+ if (lineView.background) {
922	+ if (cls) lineView.background.className = cls;
923	+ else { lineView.background.parentNode.removeChild(lineView.background); lineView.background = null; }
924	+ } else if (cls) {
925	+ var wrap = ensureLineWrapped(lineView);
926	+ lineView.background = wrap.insertBefore(elt("div", null, cls), wrap.firstChild);
927	+ }
928	+ }
929	+
930	+ // Wrapper around buildLineContent which will reuse the structure
931	+ // in display.externalMeasured when possible.
932	+ function getLineContent(cm, lineView) {
933	+ var ext = cm.display.externalMeasured;
934	+ if (ext && ext.line == lineView.line) {
935	+ cm.display.externalMeasured = null;
936	+ lineView.measure = ext.measure;
937	+ return ext.built;
938	+ }
939	+ return buildLineContent(cm, lineView);
940	+ }
941	+
942	+ // Redraw the line's text. Interacts with the background and text
943	+ // classes because the mode may output tokens that influence these
944	+ // classes.
945	+ function updateLineText(cm, lineView) {
946	+ var cls = lineView.text.className;
947	+ var built = getLineContent(cm, lineView);
948	+ if (lineView.text == lineView.node) lineView.node = built.pre;
949	+ lineView.text.parentNode.replaceChild(built.pre, lineView.text);
950	+ lineView.text = built.pre;
951	+ if (built.bgClass != lineView.bgClass \|\| built.textClass != lineView.textClass) {
952	+ lineView.bgClass = built.bgClass;
953	+ lineView.textClass = built.textClass;
954	+ updateLineClasses(lineView);
955	+ } else if (cls) {
956	+ lineView.text.className = cls;
957	+ }
958	+ }
959	+
960	+ function updateLineClasses(lineView) {
961	+ updateLineBackground(lineView);
962	+ if (lineView.line.wrapClass)
963	+ ensureLineWrapped(lineView).className = lineView.line.wrapClass;
964	+ else if (lineView.node != lineView.text)
965	+ lineView.node.className = "";
966	+ var textClass = lineView.textClass ? lineView.textClass + " " + (lineView.line.textClass \|\| "") : lineView.line.textClass;
967	+ lineView.text.className = textClass \|\| "";
968	+ }
969	+
970	+ function updateLineGutter(cm, lineView, lineN, dims) {
971	+ if (lineView.gutter) {
972	+ lineView.node.removeChild(lineView.gutter);
973	+ lineView.gutter = null;
974	+ }
975	+ if (lineView.gutterBackground) {
976	+ lineView.node.removeChild(lineView.gutterBackground);
977	+ lineView.gutterBackground = null;
978	+ }
979	+ if (lineView.line.gutterClass) {
980	+ var wrap = ensureLineWrapped(lineView);
981	+ lineView.gutterBackground = elt("div", null, "CodeMirror-gutter-background " + lineView.line.gutterClass,
982	+ "left: " + (cm.options.fixedGutter ? dims.fixedPos : -dims.gutterTotalWidth) +
983	+ "px; width: " + dims.gutterTotalWidth + "px");
984	+ wrap.insertBefore(lineView.gutterBackground, lineView.text);
985	+ }
986	+ var markers = lineView.line.gutterMarkers;
987	+ if (cm.options.lineNumbers \|\| markers) {
988	+ var wrap = ensureLineWrapped(lineView);
989	+ var gutterWrap = lineView.gutter = elt("div", null, "CodeMirror-gutter-wrapper", "left: " +
990	+ (cm.options.fixedGutter ? dims.fixedPos : -dims.gutterTotalWidth) + "px");
991	+ cm.display.input.setUneditable(gutterWrap);
992	+ wrap.insertBefore(gutterWrap, lineView.text);
993	+ if (lineView.line.gutterClass)
994	+ gutterWrap.className += " " + lineView.line.gutterClass;
995	+ if (cm.options.lineNumbers && (!markers \|\| !markers["CodeMirror-linenumbers"]))
996	+ lineView.lineNumber = gutterWrap.appendChild(
997	+ elt("div", lineNumberFor(cm.options, lineN),
998	+ "CodeMirror-linenumber CodeMirror-gutter-elt",
999	+ "left: " + dims.gutterLeft["CodeMirror-linenumbers"] + "px; width: "
1000	+ + cm.display.lineNumInnerWidth + "px"));
1001	+ if (markers) for (var k = 0; k < cm.options.gutters.length; ++k) {
1002	+ var id = cm.options.gutters[k], found = markers.hasOwnProperty(id) && markers[id];
1003	+ if (found)
1004	+ gutterWrap.appendChild(elt("div", [found], "CodeMirror-gutter-elt", "left: " +
1005	+ dims.gutterLeft[id] + "px; width: " + dims.gutterWidth[id] + "px"));
1006	+ }
1007	+ }
1008	+ }
1009	+
1010	+ function updateLineWidgets(cm, lineView, dims) {
1011	+ if (lineView.alignable) lineView.alignable = null;
1012	+ for (var node = lineView.node.firstChild, next; node; node = next) {
1013	+ var next = node.nextSibling;
1014	+ if (node.className == "CodeMirror-linewidget")
1015	+ lineView.node.removeChild(node);
1016	+ }
1017	+ insertLineWidgets(cm, lineView, dims);
1018	+ }
1019	+
1020	+ // Build a line's DOM representation from scratch
1021	+ function buildLineElement(cm, lineView, lineN, dims) {
1022	+ var built = getLineContent(cm, lineView);
1023	+ lineView.text = lineView.node = built.pre;
1024	+ if (built.bgClass) lineView.bgClass = built.bgClass;
1025	+ if (built.textClass) lineView.textClass = built.textClass;
1026	+
1027	+ updateLineClasses(lineView);
1028	+ updateLineGutter(cm, lineView, lineN, dims);
1029	+ insertLineWidgets(cm, lineView, dims);
1030	+ return lineView.node;
1031	+ }
1032	+
1033	+ // A lineView may contain multiple logical lines (when merged by
1034	+ // collapsed spans). The widgets for all of them need to be drawn.
1035	+ function insertLineWidgets(cm, lineView, dims) {
1036	+ insertLineWidgetsFor(cm, lineView.line, lineView, dims, true);
1037	+ if (lineView.rest) for (var i = 0; i < lineView.rest.length; i++)
1038	+ insertLineWidgetsFor(cm, lineView.rest[i], lineView, dims, false);
1039	+ }
1040	+
1041	+ function insertLineWidgetsFor(cm, line, lineView, dims, allowAbove) {
1042	+ if (!line.widgets) return;
1043	+ var wrap = ensureLineWrapped(lineView);
1044	+ for (var i = 0, ws = line.widgets; i < ws.length; ++i) {
1045	+ var widget = ws[i], node = elt("div", [widget.node], "CodeMirror-linewidget");
1046	+ if (!widget.handleMouseEvents) node.setAttribute("cm-ignore-events", "true");
1047	+ positionLineWidget(widget, node, lineView, dims);
1048	+ cm.display.input.setUneditable(node);
1049	+ if (allowAbove && widget.above)
1050	+ wrap.insertBefore(node, lineView.gutter \|\| lineView.text);
1051	+ else
1052	+ wrap.appendChild(node);
1053	+ signalLater(widget, "redraw");
1054	+ }
1055	+ }
1056	+
1057	+ function positionLineWidget(widget, node, lineView, dims) {
1058	+ if (widget.noHScroll) {
1059	+ (lineView.alignable \|\| (lineView.alignable = [])).push(node);
1060	+ var width = dims.wrapperWidth;
1061	+ node.style.left = dims.fixedPos + "px";
1062	+ if (!widget.coverGutter) {
1063	+ width -= dims.gutterTotalWidth;
1064	+ node.style.paddingLeft = dims.gutterTotalWidth + "px";
1065	+ }
1066	+ node.style.width = width + "px";
1067	+ }
1068	+ if (widget.coverGutter) {
1069	+ node.style.zIndex = 5;
1070	+ node.style.position = "relative";
1071	+ if (!widget.noHScroll) node.style.marginLeft = -dims.gutterTotalWidth + "px";
1072	+ }
1073	+ }
1074	+
1075	+ // POSITION OBJECT
1076	+
1077	+ // A Pos instance represents a position within the text.
1078	+ var Pos = CodeMirror.Pos = function(line, ch) {
1079	+ if (!(this instanceof Pos)) return new Pos(line, ch);
1080	+ this.line = line; this.ch = ch;
1081	+ };
1082	+
1083	+ // Compare two positions, return 0 if they are the same, a negative
1084	+ // number when a is less, and a positive number otherwise.
1085	+ var cmp = CodeMirror.cmpPos = function(a, b) { return a.line - b.line \|\| a.ch - b.ch; };
1086	+
1087	+ function copyPos(x) {return Pos(x.line, x.ch);}
1088	+ function maxPos(a, b) { return cmp(a, b) < 0 ? b : a; }
1089	+ function minPos(a, b) { return cmp(a, b) < 0 ? a : b; }
1090	+
1091	+ // INPUT HANDLING
1092	+
1093	+ function ensureFocus(cm) {
1094	+ if (!cm.state.focused) { cm.display.input.focus(); onFocus(cm); }
1095	+ }
1096	+
1097	+ // This will be set to an array of strings when copying, so that,
1098	+ // when pasting, we know what kind of selections the copied text
1099	+ // was made out of.
1100	+ var lastCopied = null;
1101	+
1102	+ function applyTextInput(cm, inserted, deleted, sel, origin) {
1103	+ var doc = cm.doc;
1104	+ cm.display.shift = false;
1105	+ if (!sel) sel = doc.sel;
1106	+
1107	+ var paste = cm.state.pasteIncoming \|\| origin == "paste";
1108	+ var textLines = doc.splitLines(inserted), multiPaste = null;
1109	+ // When pasing N lines into N selections, insert one line per selection
1110	+ if (paste && sel.ranges.length > 1) {
1111	+ if (lastCopied && lastCopied.join("\n") == inserted) {
1112	+ if (sel.ranges.length % lastCopied.length == 0) {
1113	+ multiPaste = [];
1114	+ for (var i = 0; i < lastCopied.length; i++)
1115	+ multiPaste.push(doc.splitLines(lastCopied[i]));
1116	+ }
1117	+ } else if (textLines.length == sel.ranges.length) {
1118	+ multiPaste = map(textLines, function(l) { return [l]; });
1119	+ }
1120	+ }
1121	+
1122	+ // Normal behavior is to insert the new text into every selection
1123	+ for (var i = sel.ranges.length - 1; i >= 0; i--) {
1124	+ var range = sel.ranges[i];
1125	+ var from = range.from(), to = range.to();
1126	+ if (range.empty()) {
1127	+ if (deleted && deleted > 0) // Handle deletion
1128	+ from = Pos(from.line, from.ch - deleted);
1129	+ else if (cm.state.overwrite && !paste) // Handle overwrite
1130	+ to = Pos(to.line, Math.min(getLine(doc, to.line).text.length, to.ch + lst(textLines).length));
1131	+ }
1132	+ var updateInput = cm.curOp.updateInput;
1133	+ var changeEvent = {from: from, to: to, text: multiPaste ? multiPaste[i % multiPaste.length] : textLines,
1134	+ origin: origin \|\| (paste ? "paste" : cm.state.cutIncoming ? "cut" : "+input")};
1135	+ makeChange(cm.doc, changeEvent);
1136	+ signalLater(cm, "inputRead", cm, changeEvent);
1137	+ }
1138	+ if (inserted && !paste)
1139	+ triggerElectric(cm, inserted);
1140	+
1141	+ ensureCursorVisible(cm);
1142	+ cm.curOp.updateInput = updateInput;
1143	+ cm.curOp.typing = true;
1144	+ cm.state.pasteIncoming = cm.state.cutIncoming = false;
1145	+ }
1146	+
1147	+ function handlePaste(e, cm) {
1148	+ var pasted = e.clipboardData && e.clipboardData.getData("text/plain");
1149	+ if (pasted) {
1150	+ e.preventDefault();
1151	+ if (!cm.isReadOnly() && !cm.options.disableInput)
1152	+ runInOp(cm, function() { applyTextInput(cm, pasted, 0, null, "paste"); });
1153	+ return true;
1154	+ }
1155	+ }
1156	+
1157	+ function triggerElectric(cm, inserted) {
1158	+ // When an 'electric' character is inserted, immediately trigger a reindent
1159	+ if (!cm.options.electricChars \|\| !cm.options.smartIndent) return;
1160	+ var sel = cm.doc.sel;
1161	+
1162	+ for (var i = sel.ranges.length - 1; i >= 0; i--) {
1163	+ var range = sel.ranges[i];
1164	+ if (range.head.ch > 100 \|\| (i && sel.ranges[i - 1].head.line == range.head.line)) continue;
1165	+ var mode = cm.getModeAt(range.head);
1166	+ var indented = false;
1167	+ if (mode.electricChars) {
1168	+ for (var j = 0; j < mode.electricChars.length; j++)
1169	+ if (inserted.indexOf(mode.electricChars.charAt(j)) > -1) {
1170	+ indented = indentLine(cm, range.head.line, "smart");
1171	+ break;
1172	+ }
1173	+ } else if (mode.electricInput) {
1174	+ if (mode.electricInput.test(getLine(cm.doc, range.head.line).text.slice(0, range.head.ch)))
1175	+ indented = indentLine(cm, range.head.line, "smart");
1176	+ }
1177	+ if (indented) signalLater(cm, "electricInput", cm, range.head.line);
1178	+ }
1179	+ }
1180	+
1181	+ function copyableRanges(cm) {
1182	+ var text = [], ranges = [];
1183	+ for (var i = 0; i < cm.doc.sel.ranges.length; i++) {
1184	+ var line = cm.doc.sel.ranges[i].head.line;
1185	+ var lineRange = {anchor: Pos(line, 0), head: Pos(line + 1, 0)};
1186	+ ranges.push(lineRange);
1187	+ text.push(cm.getRange(lineRange.anchor, lineRange.head));
1188	+ }
1189	+ return {text: text, ranges: ranges};
1190	+ }
1191	+
1192	+ function disableBrowserMagic(field) {
1193	+ field.setAttribute("autocorrect", "off");
1194	+ field.setAttribute("autocapitalize", "off");
1195	+ field.setAttribute("spellcheck", "false");
1196	+ }
1197	+
1198	+ // TEXTAREA INPUT STYLE
1199	+
1200	+ function TextareaInput(cm) {
1201	+ this.cm = cm;
1202	+ // See input.poll and input.reset
1203	+ this.prevInput = "";
1204	+
1205	+ // Flag that indicates whether we expect input to appear real soon
1206	+ // now (after some event like 'keypress' or 'input') and are
1207	+ // polling intensively.
1208	+ this.pollingFast = false;
1209	+ // Self-resetting timeout for the poller
1210	+ this.polling = new Delayed();
1211	+ // Tracks when input.reset has punted to just putting a short
1212	+ // string into the textarea instead of the full selection.
1213	+ this.inaccurateSelection = false;
1214	+ // Used to work around IE issue with selection being forgotten when focus moves away from textarea
1215	+ this.hasSelection = false;
1216	+ this.composing = null;
1217	+ };
1218	+
1219	+ function hiddenTextarea() {
1220	+ var te = elt("textarea", null, null, "position: absolute; padding: 0; width: 1px; height: 1em; outline: none");
1221	+ var div = elt("div", [te], null, "overflow: hidden; position: relative; width: 3px; height: 0px;");
1222	+ // The textarea is kept positioned near the cursor to prevent the
1223	+ // fact that it'll be scrolled into view on input from scrolling
1224	+ // our fake cursor out of view. On webkit, when wrap=off, paste is
1225	+ // very slow. So make the area wide instead.
1226	+ if (webkit) te.style.width = "1000px";
1227	+ else te.setAttribute("wrap", "off");
1228	+ // If border: 0; -- iOS fails to open keyboard (issue #1287)
1229	+ if (ios) te.style.border = "1px solid black";
1230	+ disableBrowserMagic(te);
1231	+ return div;
1232	+ }
1233	+
1234	+ TextareaInput.prototype = copyObj({
1235	+ init: function(display) {
1236	+ var input = this, cm = this.cm;
1237	+
1238	+ // Wraps and hides input textarea
1239	+ var div = this.wrapper = hiddenTextarea();
1240	+ // The semihidden textarea that is focused when the editor is
1241	+ // focused, and receives input.
1242	+ var te = this.textarea = div.firstChild;
1243	+ display.wrapper.insertBefore(div, display.wrapper.firstChild);
1244	+
1245	+ // Needed to hide big blue blinking cursor on Mobile Safari (doesn't seem to work in iOS 8 anymore)
1246	+ if (ios) te.style.width = "0px";
1247	+
1248	+ on(te, "input", function() {
1249	+ if (ie && ie_version >= 9 && input.hasSelection) input.hasSelection = null;
1250	+ input.poll();
1251	+ });
1252	+
1253	+ on(te, "paste", function(e) {
1254	+ if (handlePaste(e, cm)) return true;
1255	+
1256	+ cm.state.pasteIncoming = true;
1257	+ input.fastPoll();
1258	+ });
1259	+
1260	+ function prepareCopyCut(e) {
1261	+ if (cm.somethingSelected()) {
1262	+ lastCopied = cm.getSelections();
1263	+ if (input.inaccurateSelection) {
1264	+ input.prevInput = "";
1265	+ input.inaccurateSelection = false;
1266	+ te.value = lastCopied.join("\n");
1267	+ selectInput(te);
1268	+ }
1269	+ } else if (!cm.options.lineWiseCopyCut) {
1270	+ return;
1271	+ } else {
1272	+ var ranges = copyableRanges(cm);
1273	+ lastCopied = ranges.text;
1274	+ if (e.type == "cut") {
1275	+ cm.setSelections(ranges.ranges, null, sel_dontScroll);
1276	+ } else {
1277	+ input.prevInput = "";
1278	+ te.value = ranges.text.join("\n");
1279	+ selectInput(te);
1280	+ }
1281	+ }
1282	+ if (e.type == "cut") cm.state.cutIncoming = true;
1283	+ }
1284	+ on(te, "cut", prepareCopyCut);
1285	+ on(te, "copy", prepareCopyCut);
1286	+
1287	+ on(display.scroller, "paste", function(e) {
1288	+ if (eventInWidget(display, e)) return;
1289	+ cm.state.pasteIncoming = true;
1290	+ input.focus();
1291	+ });
1292	+
1293	+ // Prevent normal selection in the editor (we handle our own)
1294	+ on(display.lineSpace, "selectstart", function(e) {
1295	+ if (!eventInWidget(display, e)) e_preventDefault(e);
1296	+ });
1297	+
1298	+ on(te, "compositionstart", function() {
1299	+ var start = cm.getCursor("from");
1300	+ if (input.composing) input.composing.range.clear()
1301	+ input.composing = {
1302	+ start: start,
1303	+ range: cm.markText(start, cm.getCursor("to"), {className: "CodeMirror-composing"})
1304	+ };
1305	+ });
1306	+ on(te, "compositionend", function() {
1307	+ if (input.composing) {
1308	+ input.poll();
1309	+ input.composing.range.clear();
1310	+ input.composing = null;
1311	+ }
1312	+ });
1313	+ },
1314	+
1315	+ prepareSelection: function() {
1316	+ // Redraw the selection and/or cursor
1317	+ var cm = this.cm, display = cm.display, doc = cm.doc;
1318	+ var result = prepareSelection(cm);
1319	+
1320	+ // Move the hidden textarea near the cursor to prevent scrolling artifacts
1321	+ if (cm.options.moveInputWithCursor) {
1322	+ var headPos = cursorCoords(cm, doc.sel.primary().head, "div");
1323	+ var wrapOff = display.wrapper.getBoundingClientRect(), lineOff = display.lineDiv.getBoundingClientRect();
1324	+ result.teTop = Math.max(0, Math.min(display.wrapper.clientHeight - 10,
1325	+ headPos.top + lineOff.top - wrapOff.top));
1326	+ result.teLeft = Math.max(0, Math.min(display.wrapper.clientWidth - 10,
1327	+ headPos.left + lineOff.left - wrapOff.left));
1328	+ }
1329	+
1330	+ return result;
1331	+ },
1332	+
1333	+ showSelection: function(drawn) {
1334	+ var cm = this.cm, display = cm.display;
1335	+ removeChildrenAndAdd(display.cursorDiv, drawn.cursors);
1336	+ removeChildrenAndAdd(display.selectionDiv, drawn.selection);
1337	+ if (drawn.teTop != null) {
1338	+ this.wrapper.style.top = drawn.teTop + "px";
1339	+ this.wrapper.style.left = drawn.teLeft + "px";
1340	+ }
1341	+ },
1342	+
1343	+ // Reset the input to correspond to the selection (or to be empty,
1344	+ // when not typing and nothing is selected)
1345	+ reset: function(typing) {
1346	+ if (this.contextMenuPending) return;
1347	+ var minimal, selected, cm = this.cm, doc = cm.doc;
1348	+ if (cm.somethingSelected()) {
1349	+ this.prevInput = "";
1350	+ var range = doc.sel.primary();
1351	+ minimal = hasCopyEvent &&
1352	+ (range.to().line - range.from().line > 100 \|\| (selected = cm.getSelection()).length > 1000);
1353	+ var content = minimal ? "-" : selected \|\| cm.getSelection();
1354	+ this.textarea.value = content;
1355	+ if (cm.state.focused) selectInput(this.textarea);
1356	+ if (ie && ie_version >= 9) this.hasSelection = content;
1357	+ } else if (!typing) {
1358	+ this.prevInput = this.textarea.value = "";
1359	+ if (ie && ie_version >= 9) this.hasSelection = null;
1360	+ }
1361	+ this.inaccurateSelection = minimal;
1362	+ },
1363	+
1364	+ getField: function() { return this.textarea; },
1365	+
1366	+ supportsTouch: function() { return false; },
1367	+
1368	+ focus: function() {
1369	+ if (this.cm.options.readOnly != "nocursor" && (!mobile \|\| activeElt() != this.textarea)) {
1370	+ try { this.textarea.focus(); }
1371	+ catch (e) {} // IE8 will throw if the textarea is display: none or not in DOM
1372	+ }
1373	+ },
1374	+
1375	+ blur: function() { this.textarea.blur(); },
1376	+
1377	+ resetPosition: function() {
1378	+ this.wrapper.style.top = this.wrapper.style.left = 0;
1379	+ },
1380	+
1381	+ receivedFocus: function() { this.slowPoll(); },
1382	+
1383	+ // Poll for input changes, using the normal rate of polling. This
1384	+ // runs as long as the editor is focused.
1385	+ slowPoll: function() {
1386	+ var input = this;
1387	+ if (input.pollingFast) return;
1388	+ input.polling.set(this.cm.options.pollInterval, function() {
1389	+ input.poll();
1390	+ if (input.cm.state.focused) input.slowPoll();
1391	+ });
1392	+ },
1393	+
1394	+ // When an event has just come in that is likely to add or change
1395	+ // something in the input textarea, we poll faster, to ensure that
1396	+ // the change appears on the screen quickly.
1397	+ fastPoll: function() {
1398	+ var missed = false, input = this;
1399	+ input.pollingFast = true;
1400	+ function p() {
1401	+ var changed = input.poll();
1402	+ if (!changed && !missed) {missed = true; input.polling.set(60, p);}
1403	+ else {input.pollingFast = false; input.slowPoll();}
1404	+ }
1405	+ input.polling.set(20, p);
1406	+ },
1407	+
1408	+ // Read input from the textarea, and update the document to match.
1409	+ // When something is selected, it is present in the textarea, and
1410	+ // selected (unless it is huge, in which case a placeholder is
1411	+ // used). When nothing is selected, the cursor sits after previously
1412	+ // seen text (can be empty), which is stored in prevInput (we must
1413	+ // not reset the textarea when typing, because that breaks IME).
1414	+ poll: function() {
1415	+ var cm = this.cm, input = this.textarea, prevInput = this.prevInput;
1416	+ // Since this is called a lot, try to bail out as cheaply as
1417	+ // possible when it is clear that nothing happened. hasSelection
1418	+ // will be the case when there is a lot of text in the textarea,
1419	+ // in which case reading its value would be expensive.
1420	+ if (this.contextMenuPending \|\| !cm.state.focused \|\|
1421	+ (hasSelection(input) && !prevInput && !this.composing) \|\|
1422	+ cm.isReadOnly() \|\| cm.options.disableInput \|\| cm.state.keySeq)
1423	+ return false;
1424	+
1425	+ var text = input.value;
1426	+ // If nothing changed, bail.
1427	+ if (text == prevInput && !cm.somethingSelected()) return false;
1428	+ // Work around nonsensical selection resetting in IE9/10, and
1429	+ // inexplicable appearance of private area unicode characters on
1430	+ // some key combos in Mac (#2689).
1431	+ if (ie && ie_version >= 9 && this.hasSelection === text \|\|
1432	+ mac && /[\uf700-\uf7ff]/.test(text)) {
1433	+ cm.display.input.reset();
1434	+ return false;
1435	+ }
1436	+
1437	+ if (cm.doc.sel == cm.display.selForContextMenu) {
1438	+ var first = text.charCodeAt(0);
1439	+ if (first == 0x200b && !prevInput) prevInput = "\u200b";
1440	+ if (first == 0x21da) { this.reset(); return this.cm.execCommand("undo"); }
1441	+ }
1442	+ // Find the part of the input that is actually new
1443	+ var same = 0, l = Math.min(prevInput.length, text.length);
1444	+ while (same < l && prevInput.charCodeAt(same) == text.charCodeAt(same)) ++same;
1445	+
1446	+ var self = this;
1447	+ runInOp(cm, function() {
1448	+ applyTextInput(cm, text.slice(same), prevInput.length - same,
1449	+ null, self.composing ? "*compose" : null);
1450	+
1451	+ // Don't leave long text in the textarea, since it makes further polling slow
1452	+ if (text.length > 1000 \|\| text.indexOf("\n") > -1) input.value = self.prevInput = "";
1453	+ else self.prevInput = text;
1454	+
1455	+ if (self.composing) {
1456	+ self.composing.range.clear();
1457	+ self.composing.range = cm.markText(self.composing.start, cm.getCursor("to"),
1458	+ {className: "CodeMirror-composing"});
1459	+ }
1460	+ });
1461	+ return true;
1462	+ },
1463	+
1464	+ ensurePolled: function() {
1465	+ if (this.pollingFast && this.poll()) this.pollingFast = false;
1466	+ },
1467	+
1468	+ onKeyPress: function() {
1469	+ if (ie && ie_version >= 9) this.hasSelection = null;
1470	+ this.fastPoll();
1471	+ },
1472	+
1473	+ onContextMenu: function(e) {
1474	+ var input = this, cm = input.cm, display = cm.display, te = input.textarea;
1475	+ var pos = posFromMouse(cm, e), scrollPos = display.scroller.scrollTop;
1476	+ if (!pos \|\| presto) return; // Opera is difficult.
1477	+
1478	+ // Reset the current text selection only if the click is done outside of the selection
1479	+ // and 'resetSelectionOnContextMenu' option is true.
1480	+ var reset = cm.options.resetSelectionOnContextMenu;
1481	+ if (reset && cm.doc.sel.contains(pos) == -1)
1482	+ operation(cm, setSelection)(cm.doc, simpleSelection(pos), sel_dontScroll);
1483	+
1484	+ var oldCSS = te.style.cssText;
1485	+ input.wrapper.style.position = "absolute";
1486	+ te.style.cssText = "position: fixed; width: 30px; height: 30px; top: " + (e.clientY - 5) +
1487	+ "px; left: " + (e.clientX - 5) + "px; z-index: 1000; background: " +
1488	+ (ie ? "rgba(255, 255, 255, .05)" : "transparent") +
1489	+ "; outline: none; border-width: 0; outline: none; overflow: hidden; opacity: .05; filter: alpha(opacity=5);";
1490	+ if (webkit) var oldScrollY = window.scrollY; // Work around Chrome issue (#2712)
1491	+ display.input.focus();
1492	+ if (webkit) window.scrollTo(null, oldScrollY);
1493	+ display.input.reset();
1494	+ // Adds "Select all" to context menu in FF
1495	+ if (!cm.somethingSelected()) te.value = input.prevInput = " ";
1496	+ input.contextMenuPending = true;
1497	+ display.selForContextMenu = cm.doc.sel;
1498	+ clearTimeout(display.detectingSelectAll);
1499	+
1500	+ // Select-all will be greyed out if there's nothing to select, so
1501	+ // this adds a zero-width space so that we can later check whether
1502	+ // it got selected.
1503	+ function prepareSelectAllHack() {
1504	+ if (te.selectionStart != null) {
1505	+ var selected = cm.somethingSelected();
1506	+ var extval = "\u200b" + (selected ? te.value : "");
1507	+ te.value = "\u21da"; // Used to catch context-menu undo
1508	+ te.value = extval;
1509	+ input.prevInput = selected ? "" : "\u200b";
1510	+ te.selectionStart = 1; te.selectionEnd = extval.length;
1511	+ // Re-set this, in case some other handler touched the
1512	+ // selection in the meantime.
1513	+ display.selForContextMenu = cm.doc.sel;
1514	+ }
1515	+ }
1516	+ function rehide() {
1517	+ input.contextMenuPending = false;
1518	+ input.wrapper.style.position = "relative";
1519	+ te.style.cssText = oldCSS;
1520	+ if (ie && ie_version < 9) display.scrollbars.setScrollTop(display.scroller.scrollTop = scrollPos);
1521	+
1522	+ // Try to detect the user choosing select-all
1523	+ if (te.selectionStart != null) {
1524	+ if (!ie \|\| (ie && ie_version < 9)) prepareSelectAllHack();
1525	+ var i = 0, poll = function() {
1526	+ if (display.selForContextMenu == cm.doc.sel && te.selectionStart == 0 &&
1527	+ te.selectionEnd > 0 && input.prevInput == "\u200b")
1528	+ operation(cm, commands.selectAll)(cm);
1529	+ else if (i++ < 10) display.detectingSelectAll = setTimeout(poll, 500);
1530	+ else display.input.reset();
1531	+ };
1532	+ display.detectingSelectAll = setTimeout(poll, 200);
1533	+ }
1534	+ }
1535	+
1536	+ if (ie && ie_version >= 9) prepareSelectAllHack();
1537	+ if (captureRightClick) {
1538	+ e_stop(e);
1539	+ var mouseup = function() {
1540	+ off(window, "mouseup", mouseup);
1541	+ setTimeout(rehide, 20);
1542	+ };
1543	+ on(window, "mouseup", mouseup);
1544	+ } else {
1545	+ setTimeout(rehide, 50);
1546	+ }
1547	+ },
1548	+
1549	+ readOnlyChanged: function(val) {
1550	+ if (!val) this.reset();
1551	+ },
1552	+
1553	+ setUneditable: nothing,
1554	+
1555	+ needsContentAttribute: false
1556	+ }, TextareaInput.prototype);
1557	+
1558	+ // CONTENTEDITABLE INPUT STYLE
1559	+
1560	+ function ContentEditableInput(cm) {
1561	+ this.cm = cm;
1562	+ this.lastAnchorNode = this.lastAnchorOffset = this.lastFocusNode = this.lastFocusOffset = null;
1563	+ this.polling = new Delayed();
1564	+ this.gracePeriod = false;
1565	+ }
1566	+
1567	+ ContentEditableInput.prototype = copyObj({
1568	+ init: function(display) {
1569	+ var input = this, cm = input.cm;
1570	+ var div = input.div = display.lineDiv;
1571	+ disableBrowserMagic(div);
1572	+
1573	+ on(div, "paste", function(e) { handlePaste(e, cm); })
1574	+
1575	+ on(div, "compositionstart", function(e) {
1576	+ var data = e.data;
1577	+ input.composing = {sel: cm.doc.sel, data: data, startData: data};
1578	+ if (!data) return;
1579	+ var prim = cm.doc.sel.primary();
1580	+ var line = cm.getLine(prim.head.line);
1581	+ var found = line.indexOf(data, Math.max(0, prim.head.ch - data.length));
1582	+ if (found > -1 && found <= prim.head.ch)
1583	+ input.composing.sel = simpleSelection(Pos(prim.head.line, found),
1584	+ Pos(prim.head.line, found + data.length));
1585	+ });
1586	+ on(div, "compositionupdate", function(e) {
1587	+ input.composing.data = e.data;
1588	+ });
1589	+ on(div, "compositionend", function(e) {
1590	+ var ours = input.composing;
1591	+ if (!ours) return;
1592	+ if (e.data != ours.startData && !/\u200b/.test(e.data))
1593	+ ours.data = e.data;
1594	+ // Need a small delay to prevent other code (input event,
1595	+ // selection polling) from doing damage when fired right after
1596	+ // compositionend.
1597	+ setTimeout(function() {
1598	+ if (!ours.handled)
1599	+ input.applyComposition(ours);
1600	+ if (input.composing == ours)
1601	+ input.composing = null;
1602	+ }, 50);
1603	+ });
1604	+
1605	+ on(div, "touchstart", function() {
1606	+ input.forceCompositionEnd();
1607	+ });
1608	+
1609	+ on(div, "input", function() {
1610	+ if (input.composing) return;
1611	+ if (cm.isReadOnly() \|\| !input.pollContent())
1612	+ runInOp(input.cm, function() {regChange(cm);});
1613	+ });
1614	+
1615	+ function onCopyCut(e) {
1616	+ if (cm.somethingSelected()) {
1617	+ lastCopied = cm.getSelections();
1618	+ if (e.type == "cut") cm.replaceSelection("", null, "cut");
1619	+ } else if (!cm.options.lineWiseCopyCut) {
1620	+ return;
1621	+ } else {
1622	+ var ranges = copyableRanges(cm);
1623	+ lastCopied = ranges.text;
1624	+ if (e.type == "cut") {
1625	+ cm.operation(function() {
1626	+ cm.setSelections(ranges.ranges, 0, sel_dontScroll);
1627	+ cm.replaceSelection("", null, "cut");
1628	+ });
1629	+ }
1630	+ }
1631	+ // iOS exposes the clipboard API, but seems to discard content inserted into it
1632	+ if (e.clipboardData && !ios) {
1633	+ e.preventDefault();
1634	+ e.clipboardData.clearData();
1635	+ e.clipboardData.setData("text/plain", lastCopied.join("\n"));
1636	+ } else {
1637	+ // Old-fashioned briefly-focus-a-textarea hack
1638	+ var kludge = hiddenTextarea(), te = kludge.firstChild;
1639	+ cm.display.lineSpace.insertBefore(kludge, cm.display.lineSpace.firstChild);
1640	+ te.value = lastCopied.join("\n");
1641	+ var hadFocus = document.activeElement;
1642	+ selectInput(te);
1643	+ setTimeout(function() {
1644	+ cm.display.lineSpace.removeChild(kludge);
1645	+ hadFocus.focus();
1646	+ }, 50);
1647	+ }
1648	+ }
1649	+ on(div, "copy", onCopyCut);
1650	+ on(div, "cut", onCopyCut);
1651	+ },
1652	+
1653	+ prepareSelection: function() {
1654	+ var result = prepareSelection(this.cm, false);
1655	+ result.focus = this.cm.state.focused;
1656	+ return result;
1657	+ },
1658	+
1659	+ showSelection: function(info) {
1660	+ if (!info \|\| !this.cm.display.view.length) return;
1661	+ if (info.focus) this.showPrimarySelection();
1662	+ this.showMultipleSelections(info);
1663	+ },
1664	+
1665	+ showPrimarySelection: function() {
1666	+ var sel = window.getSelection(), prim = this.cm.doc.sel.primary();
1667	+ var curAnchor = domToPos(this.cm, sel.anchorNode, sel.anchorOffset);
1668	+ var curFocus = domToPos(this.cm, sel.focusNode, sel.focusOffset);
1669	+ if (curAnchor && !curAnchor.bad && curFocus && !curFocus.bad &&
1670	+ cmp(minPos(curAnchor, curFocus), prim.from()) == 0 &&
1671	+ cmp(maxPos(curAnchor, curFocus), prim.to()) == 0)
1672	+ return;
1673	+
1674	+ var start = posToDOM(this.cm, prim.from());
1675	+ var end = posToDOM(this.cm, prim.to());
1676	+ if (!start && !end) return;
1677	+
1678	+ var view = this.cm.display.view;
1679	+ var old = sel.rangeCount && sel.getRangeAt(0);
1680	+ if (!start) {
1681	+ start = {node: view[0].measure.map[2], offset: 0};
1682	+ } else if (!end) { // FIXME dangerously hacky
1683	+ var measure = view[view.length - 1].measure;
1684	+ var map = measure.maps ? measure.maps[measure.maps.length - 1] : measure.map;
1685	+ end = {node: map[map.length - 1], offset: map[map.length - 2] - map[map.length - 3]};
1686	+ }
1687	+
1688	+ try { var rng = range(start.node, start.offset, end.offset, end.node); }
1689	+ catch(e) {} // Our model of the DOM might be outdated, in which case the range we try to set can be impossible
1690	+ if (rng) {
1691	+ if (!gecko && this.cm.state.focused) {
1692	+ sel.collapse(start.node, start.offset);
1693	+ if (!rng.collapsed) sel.addRange(rng);
1694	+ } else {
1695	+ sel.removeAllRanges();
1696	+ sel.addRange(rng);
1697	+ }
1698	+ if (old && sel.anchorNode == null) sel.addRange(old);
1699	+ else if (gecko) this.startGracePeriod();
1700	+ }
1701	+ this.rememberSelection();
1702	+ },
1703	+
1704	+ startGracePeriod: function() {
1705	+ var input = this;
1706	+ clearTimeout(this.gracePeriod);
1707	+ this.gracePeriod = setTimeout(function() {
1708	+ input.gracePeriod = false;
1709	+ if (input.selectionChanged())
1710	+ input.cm.operation(function() { input.cm.curOp.selectionChanged = true; });
1711	+ }, 20);
1712	+ },
1713	+
1714	+ showMultipleSelections: function(info) {
1715	+ removeChildrenAndAdd(this.cm.display.cursorDiv, info.cursors);
1716	+ removeChildrenAndAdd(this.cm.display.selectionDiv, info.selection);
1717	+ },
1718	+
1719	+ rememberSelection: function() {
1720	+ var sel = window.getSelection();
1721	+ this.lastAnchorNode = sel.anchorNode; this.lastAnchorOffset = sel.anchorOffset;
1722	+ this.lastFocusNode = sel.focusNode; this.lastFocusOffset = sel.focusOffset;
1723	+ },
1724	+
1725	+ selectionInEditor: function() {
1726	+ var sel = window.getSelection();
1727	+ if (!sel.rangeCount) return false;
1728	+ var node = sel.getRangeAt(0).commonAncestorContainer;
1729	+ return contains(this.div, node);
1730	+ },
1731	+
1732	+ focus: function() {
1733	+ if (this.cm.options.readOnly != "nocursor") this.div.focus();
1734	+ },
1735	+ blur: function() { this.div.blur(); },
1736	+ getField: function() { return this.div; },
1737	+
1738	+ supportsTouch: function() { return true; },
1739	+
1740	+ receivedFocus: function() {
1741	+ var input = this;
1742	+ if (this.selectionInEditor())
1743	+ this.pollSelection();
1744	+ else
1745	+ runInOp(this.cm, function() { input.cm.curOp.selectionChanged = true; });
1746	+
1747	+ function poll() {
1748	+ if (input.cm.state.focused) {
1749	+ input.pollSelection();
1750	+ input.polling.set(input.cm.options.pollInterval, poll);
1751	+ }
1752	+ }
1753	+ this.polling.set(this.cm.options.pollInterval, poll);
1754	+ },
1755	+
1756	+ selectionChanged: function() {
1757	+ var sel = window.getSelection();
1758	+ return sel.anchorNode != this.lastAnchorNode \|\| sel.anchorOffset != this.lastAnchorOffset \|\|
1759	+ sel.focusNode != this.lastFocusNode \|\| sel.focusOffset != this.lastFocusOffset;
1760	+ },
1761	+
1762	+ pollSelection: function() {
1763	+ if (!this.composing && !this.gracePeriod && this.selectionChanged()) {
1764	+ var sel = window.getSelection(), cm = this.cm;
1765	+ this.rememberSelection();
1766	+ var anchor = domToPos(cm, sel.anchorNode, sel.anchorOffset);
1767	+ var head = domToPos(cm, sel.focusNode, sel.focusOffset);
1768	+ if (anchor && head) runInOp(cm, function() {
1769	+ setSelection(cm.doc, simpleSelection(anchor, head), sel_dontScroll);
1770	+ if (anchor.bad \|\| head.bad) cm.curOp.selectionChanged = true;
1771	+ });
1772	+ }
1773	+ },
1774	+
1775	+ pollContent: function() {
1776	+ var cm = this.cm, display = cm.display, sel = cm.doc.sel.primary();
1777	+ var from = sel.from(), to = sel.to();
1778	+ if (from.line < display.viewFrom \|\| to.line > display.viewTo - 1) return false;
1779	+
1780	+ var fromIndex;
1781	+ if (from.line == display.viewFrom \|\| (fromIndex = findViewIndex(cm, from.line)) == 0) {
1782	+ var fromLine = lineNo(display.view[0].line);
1783	+ var fromNode = display.view[0].node;
1784	+ } else {
1785	+ var fromLine = lineNo(display.view[fromIndex].line);
1786	+ var fromNode = display.view[fromIndex - 1].node.nextSibling;
1787	+ }
1788	+ var toIndex = findViewIndex(cm, to.line);
1789	+ if (toIndex == display.view.length - 1) {
1790	+ var toLine = display.viewTo - 1;
1791	+ var toNode = display.lineDiv.lastChild;
1792	+ } else {
1793	+ var toLine = lineNo(display.view[toIndex + 1].line) - 1;
1794	+ var toNode = display.view[toIndex + 1].node.previousSibling;
1795	+ }
1796	+
1797	+ var newText = cm.doc.splitLines(domTextBetween(cm, fromNode, toNode, fromLine, toLine));
1798	+ var oldText = getBetween(cm.doc, Pos(fromLine, 0), Pos(toLine, getLine(cm.doc, toLine).text.length));
1799	+ while (newText.length > 1 && oldText.length > 1) {
1800	+ if (lst(newText) == lst(oldText)) { newText.pop(); oldText.pop(); toLine--; }
1801	+ else if (newText[0] == oldText[0]) { newText.shift(); oldText.shift(); fromLine++; }
1802	+ else break;
1803	+ }
1804	+
1805	+ var cutFront = 0, cutEnd = 0;
1806	+ var newTop = newText[0], oldTop = oldText[0], maxCutFront = Math.min(newTop.length, oldTop.length);
1807	+ while (cutFront < maxCutFront && newTop.charCodeAt(cutFront) == oldTop.charCodeAt(cutFront))
1808	+ ++cutFront;
1809	+ var newBot = lst(newText), oldBot = lst(oldText);
1810	+ var maxCutEnd = Math.min(newBot.length - (newText.length == 1 ? cutFront : 0),
1811	+ oldBot.length - (oldText.length == 1 ? cutFront : 0));
1812	+ while (cutEnd < maxCutEnd &&
1813	+ newBot.charCodeAt(newBot.length - cutEnd - 1) == oldBot.charCodeAt(oldBot.length - cutEnd - 1))
1814	+ ++cutEnd;
1815	+
1816	+ newText[newText.length - 1] = newBot.slice(0, newBot.length - cutEnd);
1817	+ newText[0] = newText[0].slice(cutFront);
1818	+
1819	+ var chFrom = Pos(fromLine, cutFront);
1820	+ var chTo = Pos(toLine, oldText.length ? lst(oldText).length - cutEnd : 0);
1821	+ if (newText.length > 1 \|\| newText[0] \|\| cmp(chFrom, chTo)) {
1822	+ replaceRange(cm.doc, newText, chFrom, chTo, "+input");
1823	+ return true;
1824	+ }
1825	+ },
1826	+
1827	+ ensurePolled: function() {
1828	+ this.forceCompositionEnd();
1829	+ },
1830	+ reset: function() {
1831	+ this.forceCompositionEnd();
1832	+ },
1833	+ forceCompositionEnd: function() {
1834	+ if (!this.composing \|\| this.composing.handled) return;
1835	+ this.applyComposition(this.composing);
1836	+ this.composing.handled = true;
1837	+ this.div.blur();
1838	+ this.div.focus();
1839	+ },
1840	+ applyComposition: function(composing) {
1841	+ if (this.cm.isReadOnly())
1842	+ operation(this.cm, regChange)(this.cm)
1843	+ else if (composing.data && composing.data != composing.startData)
1844	+ operation(this.cm, applyTextInput)(this.cm, composing.data, 0, composing.sel);
1845	+ },
1846	+
1847	+ setUneditable: function(node) {
1848	+ node.contentEditable = "false"
1849	+ },
1850	+
1851	+ onKeyPress: function(e) {
1852	+ e.preventDefault();
1853	+ if (!this.cm.isReadOnly())
1854	+ operation(this.cm, applyTextInput)(this.cm, String.fromCharCode(e.charCode == null ? e.keyCode : e.charCode), 0);
1855	+ },
1856	+
1857	+ readOnlyChanged: function(val) {
1858	+ this.div.contentEditable = String(val != "nocursor")
1859	+ },
1860	+
1861	+ onContextMenu: nothing,
1862	+ resetPosition: nothing,
1863	+
1864	+ needsContentAttribute: true
1865	+ }, ContentEditableInput.prototype);
1866	+
1867	+ function posToDOM(cm, pos) {
1868	+ var view = findViewForLine(cm, pos.line);
1869	+ if (!view \|\| view.hidden) return null;
1870	+ var line = getLine(cm.doc, pos.line);
1871	+ var info = mapFromLineView(view, line, pos.line);
1872	+
1873	+ var order = getOrder(line), side = "left";
1874	+ if (order) {
1875	+ var partPos = getBidiPartAt(order, pos.ch);
1876	+ side = partPos % 2 ? "right" : "left";
1877	+ }
1878	+ var result = nodeAndOffsetInLineMap(info.map, pos.ch, side);
1879	+ result.offset = result.collapse == "right" ? result.end : result.start;
1880	+ return result;
1881	+ }
1882	+
1883	+ function badPos(pos, bad) { if (bad) pos.bad = true; return pos; }
1884	+
1885	+ function domToPos(cm, node, offset) {
1886	+ var lineNode;
1887	+ if (node == cm.display.lineDiv) {
1888	+ lineNode = cm.display.lineDiv.childNodes[offset];
1889	+ if (!lineNode) return badPos(cm.clipPos(Pos(cm.display.viewTo - 1)), true);
1890	+ node = null; offset = 0;
1891	+ } else {
1892	+ for (lineNode = node;; lineNode = lineNode.parentNode) {
1893	+ if (!lineNode \|\| lineNode == cm.display.lineDiv) return null;
1894	+ if (lineNode.parentNode && lineNode.parentNode == cm.display.lineDiv) break;
1895	+ }
1896	+ }
1897	+ for (var i = 0; i < cm.display.view.length; i++) {
1898	+ var lineView = cm.display.view[i];
1899	+ if (lineView.node == lineNode)
1900	+ return locateNodeInLineView(lineView, node, offset);
1901	+ }
1902	+ }
1903	+
1904	+ function locateNodeInLineView(lineView, node, offset) {
1905	+ var wrapper = lineView.text.firstChild, bad = false;
1906	+ if (!node \|\| !contains(wrapper, node)) return badPos(Pos(lineNo(lineView.line), 0), true);
1907	+ if (node == wrapper) {
1908	+ bad = true;
1909	+ node = wrapper.childNodes[offset];
1910	+ offset = 0;
1911	+ if (!node) {
1912	+ var line = lineView.rest ? lst(lineView.rest) : lineView.line;
1913	+ return badPos(Pos(lineNo(line), line.text.length), bad);
1914	+ }
1915	+ }
1916	+
1917	+ var textNode = node.nodeType == 3 ? node : null, topNode = node;
1918	+ if (!textNode && node.childNodes.length == 1 && node.firstChild.nodeType == 3) {
1919	+ textNode = node.firstChild;
1920	+ if (offset) offset = textNode.nodeValue.length;
1921	+ }
1922	+ while (topNode.parentNode != wrapper) topNode = topNode.parentNode;
1923	+ var measure = lineView.measure, maps = measure.maps;
1924	+
1925	+ function find(textNode, topNode, offset) {
1926	+ for (var i = -1; i < (maps ? maps.length : 0); i++) {
1927	+ var map = i < 0 ? measure.map : maps[i];
1928	+ for (var j = 0; j < map.length; j += 3) {
1929	+ var curNode = map[j + 2];
1930	+ if (curNode == textNode \|\| curNode == topNode) {
1931	+ var line = lineNo(i < 0 ? lineView.line : lineView.rest[i]);
1932	+ var ch = map[j] + offset;
1933	+ if (offset < 0 \|\| curNode != textNode) ch = map[j + (offset ? 1 : 0)];
1934	+ return Pos(line, ch);
1935	+ }
1936	+ }
1937	+ }
1938	+ }
1939	+ var found = find(textNode, topNode, offset);
1940	+ if (found) return badPos(found, bad);
1941	+
1942	+ // FIXME this is all really shaky. might handle the few cases it needs to handle, but likely to cause problems
1943	+ for (var after = topNode.nextSibling, dist = textNode ? textNode.nodeValue.length - offset : 0; after; after = after.nextSibling) {
1944	+ found = find(after, after.firstChild, 0);
1945	+ if (found)
1946	+ return badPos(Pos(found.line, found.ch - dist), bad);
1947	+ else
1948	+ dist += after.textContent.length;
1949	+ }
1950	+ for (var before = topNode.previousSibling, dist = offset; before; before = before.previousSibling) {
1951	+ found = find(before, before.firstChild, -1);
1952	+ if (found)
1953	+ return badPos(Pos(found.line, found.ch + dist), bad);
1954	+ else
1955	+ dist += after.textContent.length;
1956	+ }
1957	+ }
1958	+
1959	+ function domTextBetween(cm, from, to, fromLine, toLine) {
1960	+ var text = "", closing = false, lineSep = cm.doc.lineSeparator();
1961	+ function recognizeMarker(id) { return function(marker) { return marker.id == id; }; }
1962	+ function walk(node) {
1963	+ if (node.nodeType == 1) {
1964	+ var cmText = node.getAttribute("cm-text");
1965	+ if (cmText != null) {
1966	+ if (cmText == "") cmText = node.textContent.replace(/\u200b/g, "");
1967	+ text += cmText;
1968	+ return;
1969	+ }
1970	+ var markerID = node.getAttribute("cm-marker"), range;
1971	+ if (markerID) {
1972	+ var found = cm.findMarks(Pos(fromLine, 0), Pos(toLine + 1, 0), recognizeMarker(+markerID));
1973	+ if (found.length && (range = found[0].find()))
1974	+ text += getBetween(cm.doc, range.from, range.to).join(lineSep);
1975	+ return;
1976	+ }
1977	+ if (node.getAttribute("contenteditable") == "false") return;
1978	+ for (var i = 0; i < node.childNodes.length; i++)
1979	+ walk(node.childNodes[i]);
1980	+ if (/^(pre\|div\|p)$/i.test(node.nodeName))
1981	+ closing = true;
1982	+ } else if (node.nodeType == 3) {
1983	+ var val = node.nodeValue;
1984	+ if (!val) return;
1985	+ if (closing) {
1986	+ text += lineSep;
1987	+ closing = false;
1988	+ }
1989	+ text += val;
1990	+ }
1991	+ }
1992	+ for (;;) {
1993	+ walk(from);
1994	+ if (from == to) break;
1995	+ from = from.nextSibling;
1996	+ }
1997	+ return text;
1998	+ }
1999	+
2000	+ CodeMirror.inputStyles = {"textarea": TextareaInput, "contenteditable": ContentEditableInput};
2001	+
2002	+ // SELECTION / CURSOR
2003	+
2004	+ // Selection objects are immutable. A new one is created every time
2005	+ // the selection changes. A selection is one or more non-overlapping
2006	+ // (and non-touching) ranges, sorted, and an integer that indicates
2007	+ // which one is the primary selection (the one that's scrolled into
2008	+ // view, that getCursor returns, etc).
2009	+ function Selection(ranges, primIndex) {
2010	+ this.ranges = ranges;
2011	+ this.primIndex = primIndex;
2012	+ }
2013	+
2014	+ Selection.prototype = {
2015	+ primary: function() { return this.ranges[this.primIndex]; },
2016	+ equals: function(other) {
2017	+ if (other == this) return true;
2018	+ if (other.primIndex != this.primIndex \|\| other.ranges.length != this.ranges.length) return false;
2019	+ for (var i = 0; i < this.ranges.length; i++) {
2020	+ var here = this.ranges[i], there = other.ranges[i];
2021	+ if (cmp(here.anchor, there.anchor) != 0 \|\| cmp(here.head, there.head) != 0) return false;
2022	+ }
2023	+ return true;
2024	+ },
2025	+ deepCopy: function() {
2026	+ for (var out = [], i = 0; i < this.ranges.length; i++)
2027	+ out[i] = new Range(copyPos(this.ranges[i].anchor), copyPos(this.ranges[i].head));
2028	+ return new Selection(out, this.primIndex);
2029	+ },
2030	+ somethingSelected: function() {
2031	+ for (var i = 0; i < this.ranges.length; i++)
2032	+ if (!this.ranges[i].empty()) return true;
2033	+ return false;
2034	+ },
2035	+ contains: function(pos, end) {
2036	+ if (!end) end = pos;
2037	+ for (var i = 0; i < this.ranges.length; i++) {
2038	+ var range = this.ranges[i];
2039	+ if (cmp(end, range.from()) >= 0 && cmp(pos, range.to()) <= 0)
2040	+ return i;
2041	+ }
2042	+ return -1;
2043	+ }
2044	+ };
2045	+
2046	+ function Range(anchor, head) {
2047	+ this.anchor = anchor; this.head = head;
2048	+ }
2049	+
2050	+ Range.prototype = {
2051	+ from: function() { return minPos(this.anchor, this.head); },
2052	+ to: function() { return maxPos(this.anchor, this.head); },
2053	+ empty: function() {
2054	+ return this.head.line == this.anchor.line && this.head.ch == this.anchor.ch;
2055	+ }
2056	+ };
2057	+
2058	+ // Take an unsorted, potentially overlapping set of ranges, and
2059	+ // build a selection out of it. 'Consumes' ranges array (modifying
2060	+ // it).
2061	+ function normalizeSelection(ranges, primIndex) {
2062	+ var prim = ranges[primIndex];
2063	+ ranges.sort(function(a, b) { return cmp(a.from(), b.from()); });
2064	+ primIndex = indexOf(ranges, prim);
2065	+ for (var i = 1; i < ranges.length; i++) {
2066	+ var cur = ranges[i], prev = ranges[i - 1];
2067	+ if (cmp(prev.to(), cur.from()) >= 0) {
2068	+ var from = minPos(prev.from(), cur.from()), to = maxPos(prev.to(), cur.to());
2069	+ var inv = prev.empty() ? cur.from() == cur.head : prev.from() == prev.head;
2070	+ if (i <= primIndex) --primIndex;
2071	+ ranges.splice(--i, 2, new Range(inv ? to : from, inv ? from : to));
2072	+ }
2073	+ }
2074	+ return new Selection(ranges, primIndex);
2075	+ }
2076	+
2077	+ function simpleSelection(anchor, head) {
2078	+ return new Selection([new Range(anchor, head \|\| anchor)], 0);
2079	+ }
2080	+
2081	+ // Most of the external API clips given positions to make sure they
2082	+ // actually exist within the document.
2083	+ function clipLine(doc, n) {return Math.max(doc.first, Math.min(n, doc.first + doc.size - 1));}
2084	+ function clipPos(doc, pos) {
2085	+ if (pos.line < doc.first) return Pos(doc.first, 0);
2086	+ var last = doc.first + doc.size - 1;
2087	+ if (pos.line > last) return Pos(last, getLine(doc, last).text.length);
2088	+ return clipToLen(pos, getLine(doc, pos.line).text.length);
2089	+ }
2090	+ function clipToLen(pos, linelen) {
2091	+ var ch = pos.ch;
2092	+ if (ch == null \|\| ch > linelen) return Pos(pos.line, linelen);
2093	+ else if (ch < 0) return Pos(pos.line, 0);
2094	+ else return pos;
2095	+ }
2096	+ function isLine(doc, l) {return l >= doc.first && l < doc.first + doc.size;}
2097	+ function clipPosArray(doc, array) {
2098	+ for (var out = [], i = 0; i < array.length; i++) out[i] = clipPos(doc, array[i]);
2099	+ return out;
2100	+ }
2101	+
2102	+ // SELECTION UPDATES
2103	+
2104	+ // The 'scroll' parameter given to many of these indicated whether
2105	+ // the new cursor position should be scrolled into view after
2106	+ // modifying the selection.
2107	+
2108	+ // If shift is held or the extend flag is set, extends a range to
2109	+ // include a given position (and optionally a second position).
2110	+ // Otherwise, simply returns the range between the given positions.
2111	+ // Used for cursor motion and such.
2112	+ function extendRange(doc, range, head, other) {
2113	+ if (doc.cm && doc.cm.display.shift \|\| doc.extend) {
2114	+ var anchor = range.anchor;
2115	+ if (other) {
2116	+ var posBefore = cmp(head, anchor) < 0;
2117	+ if (posBefore != (cmp(other, anchor) < 0)) {
2118	+ anchor = head;
2119	+ head = other;
2120	+ } else if (posBefore != (cmp(head, other) < 0)) {
2121	+ head = other;
2122	+ }
2123	+ }
2124	+ return new Range(anchor, head);
2125	+ } else {
2126	+ return new Range(other \|\| head, head);
2127	+ }
2128	+ }
2129	+
2130	+ // Extend the primary selection range, discard the rest.
2131	+ function extendSelection(doc, head, other, options) {
2132	+ setSelection(doc, new Selection([extendRange(doc, doc.sel.primary(), head, other)], 0), options);
2133	+ }
2134	+
2135	+ // Extend all selections (pos is an array of selections with length
2136	+ // equal the number of selections)
2137	+ function extendSelections(doc, heads, options) {
2138	+ for (var out = [], i = 0; i < doc.sel.ranges.length; i++)
2139	+ out[i] = extendRange(doc, doc.sel.ranges[i], heads[i], null);
2140	+ var newSel = normalizeSelection(out, doc.sel.primIndex);
2141	+ setSelection(doc, newSel, options);
2142	+ }
2143	+
2144	+ // Updates a single range in the selection.
2145	+ function replaceOneSelection(doc, i, range, options) {
2146	+ var ranges = doc.sel.ranges.slice(0);
2147	+ ranges[i] = range;
2148	+ setSelection(doc, normalizeSelection(ranges, doc.sel.primIndex), options);
2149	+ }
2150	+
2151	+ // Reset the selection to a single range.
2152	+ function setSimpleSelection(doc, anchor, head, options) {
2153	+ setSelection(doc, simpleSelection(anchor, head), options);
2154	+ }
2155	+
2156	+ // Give beforeSelectionChange handlers a change to influence a
2157	+ // selection update.
2158	+ function filterSelectionChange(doc, sel) {
2159	+ var obj = {
2160	+ ranges: sel.ranges,
2161	+ update: function(ranges) {
2162	+ this.ranges = [];
2163	+ for (var i = 0; i < ranges.length; i++)
2164	+ this.ranges[i] = new Range(clipPos(doc, ranges[i].anchor),
2165	+ clipPos(doc, ranges[i].head));
2166	+ }
2167	+ };
2168	+ signal(doc, "beforeSelectionChange", doc, obj);
2169	+ if (doc.cm) signal(doc.cm, "beforeSelectionChange", doc.cm, obj);
2170	+ if (obj.ranges != sel.ranges) return normalizeSelection(obj.ranges, obj.ranges.length - 1);
2171	+ else return sel;
2172	+ }
2173	+
2174	+ function setSelectionReplaceHistory(doc, sel, options) {
2175	+ var done = doc.history.done, last = lst(done);
2176	+ if (last && last.ranges) {
2177	+ done[done.length - 1] = sel;
2178	+ setSelectionNoUndo(doc, sel, options);
2179	+ } else {
2180	+ setSelection(doc, sel, options);
2181	+ }
2182	+ }
2183	+
2184	+ // Set a new selection.
2185	+ function setSelection(doc, sel, options) {
2186	+ setSelectionNoUndo(doc, sel, options);
2187	+ addSelectionToHistory(doc, doc.sel, doc.cm ? doc.cm.curOp.id : NaN, options);
2188	+ }
2189	+
2190	+ function setSelectionNoUndo(doc, sel, options) {
2191	+ if (hasHandler(doc, "beforeSelectionChange") \|\| doc.cm && hasHandler(doc.cm, "beforeSelectionChange"))
2192	+ sel = filterSelectionChange(doc, sel);
2193	+
2194	+ var bias = options && options.bias \|\|
2195	+ (cmp(sel.primary().head, doc.sel.primary().head) < 0 ? -1 : 1);
2196	+ setSelectionInner(doc, skipAtomicInSelection(doc, sel, bias, true));
2197	+
2198	+ if (!(options && options.scroll === false) && doc.cm)
2199	+ ensureCursorVisible(doc.cm);
2200	+ }
2201	+
2202	+ function setSelectionInner(doc, sel) {
2203	+ if (sel.equals(doc.sel)) return;
2204	+
2205	+ doc.sel = sel;
2206	+
2207	+ if (doc.cm) {
2208	+ doc.cm.curOp.updateInput = doc.cm.curOp.selectionChanged = true;
2209	+ signalCursorActivity(doc.cm);
2210	+ }
2211	+ signalLater(doc, "cursorActivity", doc);
2212	+ }
2213	+
2214	+ // Verify that the selection does not partially select any atomic
2215	+ // marked ranges.
2216	+ function reCheckSelection(doc) {
2217	+ setSelectionInner(doc, skipAtomicInSelection(doc, doc.sel, null, false), sel_dontScroll);
2218	+ }
2219	+
2220	+ // Return a selection that does not partially select any atomic
2221	+ // ranges.
2222	+ function skipAtomicInSelection(doc, sel, bias, mayClear) {
2223	+ var out;
2224	+ for (var i = 0; i < sel.ranges.length; i++) {
2225	+ var range = sel.ranges[i];
2226	+ var old = sel.ranges.length == doc.sel.ranges.length && doc.sel.ranges[i];
2227	+ var newAnchor = skipAtomic(doc, range.anchor, old && old.anchor, bias, mayClear);
2228	+ var newHead = skipAtomic(doc, range.head, old && old.head, bias, mayClear);
2229	+ if (out \|\| newAnchor != range.anchor \|\| newHead != range.head) {
2230	+ if (!out) out = sel.ranges.slice(0, i);
2231	+ out[i] = new Range(newAnchor, newHead);
2232	+ }
2233	+ }
2234	+ return out ? normalizeSelection(out, sel.primIndex) : sel;
2235	+ }
2236	+
2237	+ function skipAtomicInner(doc, pos, oldPos, dir, mayClear) {
2238	+ var line = getLine(doc, pos.line);
2239	+ if (line.markedSpans) for (var i = 0; i < line.markedSpans.length; ++i) {
2240	+ var sp = line.markedSpans[i], m = sp.marker;
2241	+ if ((sp.from == null \|\| (m.inclusiveLeft ? sp.from <= pos.ch : sp.from < pos.ch)) &&
2242	+ (sp.to == null \|\| (m.inclusiveRight ? sp.to >= pos.ch : sp.to > pos.ch))) {
2243	+ if (mayClear) {
2244	+ signal(m, "beforeCursorEnter");
2245	+ if (m.explicitlyCleared) {
2246	+ if (!line.markedSpans) break;
2247	+ else {--i; continue;}
2248	+ }
2249	+ }
2250	+ if (!m.atomic) continue;
2251	+
2252	+ if (oldPos) {
2253	+ var near = m.find(dir < 0 ? 1 : -1), diff;
2254	+ if (dir < 0 ? m.inclusiveRight : m.inclusiveLeft) near = movePos(doc, near, -dir, line);
2255	+ if (near && near.line == pos.line && (diff = cmp(near, oldPos)) && (dir < 0 ? diff < 0 : diff > 0))
2256	+ return skipAtomicInner(doc, near, pos, dir, mayClear);
2257	+ }
2258	+
2259	+ var far = m.find(dir < 0 ? -1 : 1);
2260	+ if (dir < 0 ? m.inclusiveLeft : m.inclusiveRight) far = movePos(doc, far, dir, line);
2261	+ return far ? skipAtomicInner(doc, far, pos, dir, mayClear) : null;
2262	+ }
2263	+ }
2264	+ return pos;
2265	+ }
2266	+
2267	+ // Ensure a given position is not inside an atomic range.
2268	+ function skipAtomic(doc, pos, oldPos, bias, mayClear) {
2269	+ var dir = bias \|\| 1;
2270	+ var found = skipAtomicInner(doc, pos, oldPos, dir, mayClear) \|\|
2271	+ (!mayClear && skipAtomicInner(doc, pos, oldPos, dir, true)) \|\|
2272	+ skipAtomicInner(doc, pos, oldPos, -dir, mayClear) \|\|
2273	+ (!mayClear && skipAtomicInner(doc, pos, oldPos, -dir, true));
2274	+ if (!found) {
2275	+ doc.cantEdit = true;
2276	+ return Pos(doc.first, 0);
2277	+ }
2278	+ return found;
2279	+ }
2280	+
2281	+ function movePos(doc, pos, dir, line) {
2282	+ if (dir < 0 && pos.ch == 0) {
2283	+ if (pos.line > doc.first) return clipPos(doc, Pos(pos.line - 1));
2284	+ else return null;
2285	+ } else if (dir > 0 && pos.ch == (line \|\| getLine(doc, pos.line)).text.length) {
2286	+ if (pos.line < doc.first + doc.size - 1) return Pos(pos.line + 1, 0);
2287	+ else return null;
2288	+ } else {
2289	+ return new Pos(pos.line, pos.ch + dir);
2290	+ }
2291	+ }
2292	+
2293	+ // SELECTION DRAWING
2294	+
2295	+ function updateSelection(cm) {
2296	+ cm.display.input.showSelection(cm.display.input.prepareSelection());
2297	+ }
2298	+
2299	+ function prepareSelection(cm, primary) {
2300	+ var doc = cm.doc, result = {};
2301	+ var curFragment = result.cursors = document.createDocumentFragment();
2302	+ var selFragment = result.selection = document.createDocumentFragment();
2303	+
2304	+ for (var i = 0; i < doc.sel.ranges.length; i++) {
2305	+ if (primary === false && i == doc.sel.primIndex) continue;
2306	+ var range = doc.sel.ranges[i];
2307	+ var collapsed = range.empty();
2308	+ if (collapsed \|\| cm.options.showCursorWhenSelecting)
2309	+ drawSelectionCursor(cm, range.head, curFragment);
2310	+ if (!collapsed)
2311	+ drawSelectionRange(cm, range, selFragment);
2312	+ }
2313	+ return result;
2314	+ }
2315	+
2316	+ // Draws a cursor for the given range
2317	+ function drawSelectionCursor(cm, head, output) {
2318	+ var pos = cursorCoords(cm, head, "div", null, null, !cm.options.singleCursorHeightPerLine);
2319	+
2320	+ var cursor = output.appendChild(elt("div", "\u00a0", "CodeMirror-cursor"));
2321	+ cursor.style.left = pos.left + "px";
2322	+ cursor.style.top = pos.top + "px";
2323	+ cursor.style.height = Math.max(0, pos.bottom - pos.top) * cm.options.cursorHeight + "px";
2324	+
2325	+ if (pos.other) {
2326	+ // Secondary cursor, shown when on a 'jump' in bi-directional text
2327	+ var otherCursor = output.appendChild(elt("div", "\u00a0", "CodeMirror-cursor CodeMirror-secondarycursor"));
2328	+ otherCursor.style.display = "";
2329	+ otherCursor.style.left = pos.other.left + "px";
2330	+ otherCursor.style.top = pos.other.top + "px";
2331	+ otherCursor.style.height = (pos.other.bottom - pos.other.top) * .85 + "px";
2332	+ }
2333	+ }
2334	+
2335	+ // Draws the given range as a highlighted selection
2336	+ function drawSelectionRange(cm, range, output) {
2337	+ var display = cm.display, doc = cm.doc;
2338	+ var fragment = document.createDocumentFragment();
2339	+ var padding = paddingH(cm.display), leftSide = padding.left;
2340	+ var rightSide = Math.max(display.sizerWidth, displayWidth(cm) - display.sizer.offsetLeft) - padding.right;
2341	+
2342	+ function add(left, top, width, bottom) {
2343	+ if (top < 0) top = 0;
2344	+ top = Math.round(top);
2345	+ bottom = Math.round(bottom);
2346	+ fragment.appendChild(elt("div", null, "CodeMirror-selected", "position: absolute; left: " + left +
2347	+ "px; top: " + top + "px; width: " + (width == null ? rightSide - left : width) +
2348	+ "px; height: " + (bottom - top) + "px"));
2349	+ }
2350	+
2351	+ function drawForLine(line, fromArg, toArg) {
2352	+ var lineObj = getLine(doc, line);
2353	+ var lineLen = lineObj.text.length;
2354	+ var start, end;
2355	+ function coords(ch, bias) {
2356	+ return charCoords(cm, Pos(line, ch), "div", lineObj, bias);
2357	+ }
2358	+
2359	+ iterateBidiSections(getOrder(lineObj), fromArg \|\| 0, toArg == null ? lineLen : toArg, function(from, to, dir) {
2360	+ var leftPos = coords(from, "left"), rightPos, left, right;
2361	+ if (from == to) {
2362	+ rightPos = leftPos;
2363	+ left = right = leftPos.left;
2364	+ } else {
2365	+ rightPos = coords(to - 1, "right");
2366	+ if (dir == "rtl") { var tmp = leftPos; leftPos = rightPos; rightPos = tmp; }
2367	+ left = leftPos.left;
2368	+ right = rightPos.right;
2369	+ }
2370	+ if (fromArg == null && from == 0) left = leftSide;
2371	+ if (rightPos.top - leftPos.top > 3) { // Different lines, draw top part
2372	+ add(left, leftPos.top, null, leftPos.bottom);
2373	+ left = leftSide;
2374	+ if (leftPos.bottom < rightPos.top) add(left, leftPos.bottom, null, rightPos.top);
2375	+ }
2376	+ if (toArg == null && to == lineLen) right = rightSide;
2377	+ if (!start \|\| leftPos.top < start.top \|\| leftPos.top == start.top && leftPos.left < start.left)
2378	+ start = leftPos;
2379	+ if (!end \|\| rightPos.bottom > end.bottom \|\| rightPos.bottom == end.bottom && rightPos.right > end.right)
2380	+ end = rightPos;
2381	+ if (left < leftSide + 1) left = leftSide;
2382	+ add(left, rightPos.top, right - left, rightPos.bottom);
2383	+ });
2384	+ return {start: start, end: end};
2385	+ }
2386	+
2387	+ var sFrom = range.from(), sTo = range.to();
2388	+ if (sFrom.line == sTo.line) {
2389	+ drawForLine(sFrom.line, sFrom.ch, sTo.ch);
2390	+ } else {
2391	+ var fromLine = getLine(doc, sFrom.line), toLine = getLine(doc, sTo.line);
2392	+ var singleVLine = visualLine(fromLine) == visualLine(toLine);
2393	+ var leftEnd = drawForLine(sFrom.line, sFrom.ch, singleVLine ? fromLine.text.length + 1 : null).end;
2394	+ var rightStart = drawForLine(sTo.line, singleVLine ? 0 : null, sTo.ch).start;
2395	+ if (singleVLine) {
2396	+ if (leftEnd.top < rightStart.top - 2) {
2397	+ add(leftEnd.right, leftEnd.top, null, leftEnd.bottom);
2398	+ add(leftSide, rightStart.top, rightStart.left, rightStart.bottom);
2399	+ } else {
2400	+ add(leftEnd.right, leftEnd.top, rightStart.left - leftEnd.right, leftEnd.bottom);
2401	+ }
2402	+ }
2403	+ if (leftEnd.bottom < rightStart.top)
2404	+ add(leftSide, leftEnd.bottom, null, rightStart.top);
2405	+ }
2406	+
2407	+ output.appendChild(fragment);
2408	+ }
2409	+
2410	+ // Cursor-blinking
2411	+ function restartBlink(cm) {
2412	+ if (!cm.state.focused) return;
2413	+ var display = cm.display;
2414	+ clearInterval(display.blinker);
2415	+ var on = true;
2416	+ display.cursorDiv.style.visibility = "";
2417	+ if (cm.options.cursorBlinkRate > 0)
2418	+ display.blinker = setInterval(function() {
2419	+ display.cursorDiv.style.visibility = (on = !on) ? "" : "hidden";
2420	+ }, cm.options.cursorBlinkRate);
2421	+ else if (cm.options.cursorBlinkRate < 0)
2422	+ display.cursorDiv.style.visibility = "hidden";
2423	+ }
2424	+
2425	+ // HIGHLIGHT WORKER
2426	+
2427	+ function startWorker(cm, time) {
2428	+ if (cm.doc.mode.startState && cm.doc.frontier < cm.display.viewTo)
2429	+ cm.state.highlight.set(time, bind(highlightWorker, cm));
2430	+ }
2431	+
2432	+ function highlightWorker(cm) {
2433	+ var doc = cm.doc;
2434	+ if (doc.frontier < doc.first) doc.frontier = doc.first;
2435	+ if (doc.frontier >= cm.display.viewTo) return;
2436	+ var end = +new Date + cm.options.workTime;
2437	+ var state = copyState(doc.mode, getStateBefore(cm, doc.frontier));
2438	+ var changedLines = [];
2439	+
2440	+ doc.iter(doc.frontier, Math.min(doc.first + doc.size, cm.display.viewTo + 500), function(line) {
2441	+ if (doc.frontier >= cm.display.viewFrom) { // Visible
2442	+ var oldStyles = line.styles, tooLong = line.text.length > cm.options.maxHighlightLength;
2443	+ var highlighted = highlightLine(cm, line, tooLong ? copyState(doc.mode, state) : state, true);
2444	+ line.styles = highlighted.styles;
2445	+ var oldCls = line.styleClasses, newCls = highlighted.classes;
2446	+ if (newCls) line.styleClasses = newCls;
2447	+ else if (oldCls) line.styleClasses = null;
2448	+ var ischange = !oldStyles \|\| oldStyles.length != line.styles.length \|\|
2449	+ oldCls != newCls && (!oldCls \|\| !newCls \|\| oldCls.bgClass != newCls.bgClass \|\| oldCls.textClass != newCls.textClass);
2450	+ for (var i = 0; !ischange && i < oldStyles.length; ++i) ischange = oldStyles[i] != line.styles[i];
2451	+ if (ischange) changedLines.push(doc.frontier);
2452	+ line.stateAfter = tooLong ? state : copyState(doc.mode, state);
2453	+ } else {
2454	+ if (line.text.length <= cm.options.maxHighlightLength)
2455	+ processLine(cm, line.text, state);
2456	+ line.stateAfter = doc.frontier % 5 == 0 ? copyState(doc.mode, state) : null;
2457	+ }
2458	+ ++doc.frontier;
2459	+ if (+new Date > end) {
2460	+ startWorker(cm, cm.options.workDelay);
2461	+ return true;
2462	+ }
2463	+ });
2464	+ if (changedLines.length) runInOp(cm, function() {
2465	+ for (var i = 0; i < changedLines.length; i++)
2466	+ regLineChange(cm, changedLines[i], "text");
2467	+ });
2468	+ }
2469	+
2470	+ // Finds the line to start with when starting a parse. Tries to
2471	+ // find a line with a stateAfter, so that it can start with a
2472	+ // valid state. If that fails, it returns the line with the
2473	+ // smallest indentation, which tends to need the least context to
2474	+ // parse correctly.
2475	+ function findStartLine(cm, n, precise) {
2476	+ var minindent, minline, doc = cm.doc;
2477	+ var lim = precise ? -1 : n - (cm.doc.mode.innerMode ? 1000 : 100);
2478	+ for (var search = n; search > lim; --search) {
2479	+ if (search <= doc.first) return doc.first;
2480	+ var line = getLine(doc, search - 1);
2481	+ if (line.stateAfter && (!precise \|\| search <= doc.frontier)) return search;
2482	+ var indented = countColumn(line.text, null, cm.options.tabSize);
2483	+ if (minline == null \|\| minindent > indented) {
2484	+ minline = search - 1;
2485	+ minindent = indented;
2486	+ }
2487	+ }
2488	+ return minline;
2489	+ }
2490	+
2491	+ function getStateBefore(cm, n, precise) {
2492	+ var doc = cm.doc, display = cm.display;
2493	+ if (!doc.mode.startState) return true;
2494	+ var pos = findStartLine(cm, n, precise), state = pos > doc.first && getLine(doc, pos-1).stateAfter;
2495	+ if (!state) state = startState(doc.mode);
2496	+ else state = copyState(doc.mode, state);
2497	+ doc.iter(pos, n, function(line) {
2498	+ processLine(cm, line.text, state);
2499	+ var save = pos == n - 1 \|\| pos % 5 == 0 \|\| pos >= display.viewFrom && pos < display.viewTo;
2500	+ line.stateAfter = save ? copyState(doc.mode, state) : null;
2501	+ ++pos;
2502	+ });
2503	+ if (precise) doc.frontier = pos;
2504	+ return state;
2505	+ }
2506	+
2507	+ // POSITION MEASUREMENT
2508	+
2509	+ function paddingTop(display) {return display.lineSpace.offsetTop;}
2510	+ function paddingVert(display) {return display.mover.offsetHeight - display.lineSpace.offsetHeight;}
2511	+ function paddingH(display) {
2512	+ if (display.cachedPaddingH) return display.cachedPaddingH;
2513	+ var e = removeChildrenAndAdd(display.measure, elt("pre", "x"));
2514	+ var style = window.getComputedStyle ? window.getComputedStyle(e) : e.currentStyle;
2515	+ var data = {left: parseInt(style.paddingLeft), right: parseInt(style.paddingRight)};
2516	+ if (!isNaN(data.left) && !isNaN(data.right)) display.cachedPaddingH = data;
2517	+ return data;
2518	+ }
2519	+
2520	+ function scrollGap(cm) { return scrollerGap - cm.display.nativeBarWidth; }
2521	+ function displayWidth(cm) {
2522	+ return cm.display.scroller.clientWidth - scrollGap(cm) - cm.display.barWidth;
2523	+ }
2524	+ function displayHeight(cm) {
2525	+ return cm.display.scroller.clientHeight - scrollGap(cm) - cm.display.barHeight;
2526	+ }
2527	+
2528	+ // Ensure the lineView.wrapping.heights array is populated. This is
2529	+ // an array of bottom offsets for the lines that make up a drawn
2530	+ // line. When lineWrapping is on, there might be more than one
2531	+ // height.
2532	+ function ensureLineHeights(cm, lineView, rect) {
2533	+ var wrapping = cm.options.lineWrapping;
2534	+ var curWidth = wrapping && displayWidth(cm);
2535	+ if (!lineView.measure.heights \|\| wrapping && lineView.measure.width != curWidth) {
2536	+ var heights = lineView.measure.heights = [];
2537	+ if (wrapping) {
2538	+ lineView.measure.width = curWidth;
2539	+ var rects = lineView.text.firstChild.getClientRects();
2540	+ for (var i = 0; i < rects.length - 1; i++) {
2541	+ var cur = rects[i], next = rects[i + 1];
2542	+ if (Math.abs(cur.bottom - next.bottom) > 2)
2543	+ heights.push((cur.bottom + next.top) / 2 - rect.top);
2544	+ }
2545	+ }
2546	+ heights.push(rect.bottom - rect.top);
2547	+ }
2548	+ }
2549	+
2550	+ // Find a line map (mapping character offsets to text nodes) and a
2551	+ // measurement cache for the given line number. (A line view might
2552	+ // contain multiple lines when collapsed ranges are present.)
2553	+ function mapFromLineView(lineView, line, lineN) {
2554	+ if (lineView.line == line)
2555	+ return {map: lineView.measure.map, cache: lineView.measure.cache};
2556	+ for (var i = 0; i < lineView.rest.length; i++)
2557	+ if (lineView.rest[i] == line)
2558	+ return {map: lineView.measure.maps[i], cache: lineView.measure.caches[i]};
2559	+ for (var i = 0; i < lineView.rest.length; i++)
2560	+ if (lineNo(lineView.rest[i]) > lineN)
2561	+ return {map: lineView.measure.maps[i], cache: lineView.measure.caches[i], before: true};
2562	+ }
2563	+
2564	+ // Render a line into the hidden node display.externalMeasured. Used
2565	+ // when measurement is needed for a line that's not in the viewport.
2566	+ function updateExternalMeasurement(cm, line) {
2567	+ line = visualLine(line);
2568	+ var lineN = lineNo(line);
2569	+ var view = cm.display.externalMeasured = new LineView(cm.doc, line, lineN);
2570	+ view.lineN = lineN;
2571	+ var built = view.built = buildLineContent(cm, view);
2572	+ view.text = built.pre;
2573	+ removeChildrenAndAdd(cm.display.lineMeasure, built.pre);
2574	+ return view;
2575	+ }
2576	+
2577	+ // Get a {top, bottom, left, right} box (in line-local coordinates)
2578	+ // for a given character.
2579	+ function measureChar(cm, line, ch, bias) {
2580	+ return measureCharPrepared(cm, prepareMeasureForLine(cm, line), ch, bias);
2581	+ }
2582	+
2583	+ // Find a line view that corresponds to the given line number.
2584	+ function findViewForLine(cm, lineN) {
2585	+ if (lineN >= cm.display.viewFrom && lineN < cm.display.viewTo)
2586	+ return cm.display.view[findViewIndex(cm, lineN)];
2587	+ var ext = cm.display.externalMeasured;
2588	+ if (ext && lineN >= ext.lineN && lineN < ext.lineN + ext.size)
2589	+ return ext;
2590	+ }
2591	+
2592	+ // Measurement can be split in two steps, the set-up work that
2593	+ // applies to the whole line, and the measurement of the actual
2594	+ // character. Functions like coordsChar, that need to do a lot of
2595	+ // measurements in a row, can thus ensure that the set-up work is
2596	+ // only done once.
2597	+ function prepareMeasureForLine(cm, line) {
2598	+ var lineN = lineNo(line);
2599	+ var view = findViewForLine(cm, lineN);
2600	+ if (view && !view.text) {
2601	+ view = null;
2602	+ } else if (view && view.changes) {
2603	+ updateLineForChanges(cm, view, lineN, getDimensions(cm));
2604	+ cm.curOp.forceUpdate = true;
2605	+ }
2606	+ if (!view)
2607	+ view = updateExternalMeasurement(cm, line);
2608	+
2609	+ var info = mapFromLineView(view, line, lineN);
2610	+ return {
2611	+ line: line, view: view, rect: null,
2612	+ map: info.map, cache: info.cache, before: info.before,
2613	+ hasHeights: false
2614	+ };
2615	+ }
2616	+
2617	+ // Given a prepared measurement object, measures the position of an
2618	+ // actual character (or fetches it from the cache).
2619	+ function measureCharPrepared(cm, prepared, ch, bias, varHeight) {
2620	+ if (prepared.before) ch = -1;
2621	+ var key = ch + (bias \|\| ""), found;
2622	+ if (prepared.cache.hasOwnProperty(key)) {
2623	+ found = prepared.cache[key];
2624	+ } else {
2625	+ if (!prepared.rect)
2626	+ prepared.rect = prepared.view.text.getBoundingClientRect();
2627	+ if (!prepared.hasHeights) {
2628	+ ensureLineHeights(cm, prepared.view, prepared.rect);
2629	+ prepared.hasHeights = true;
2630	+ }
2631	+ found = measureCharInner(cm, prepared, ch, bias);
2632	+ if (!found.bogus) prepared.cache[key] = found;
2633	+ }
2634	+ return {left: found.left, right: found.right,
2635	+ top: varHeight ? found.rtop : found.top,
2636	+ bottom: varHeight ? found.rbottom : found.bottom};
2637	+ }
2638	+
2639	+ var nullRect = {left: 0, right: 0, top: 0, bottom: 0};
2640	+
2641	+ function nodeAndOffsetInLineMap(map, ch, bias) {
2642	+ var node, start, end, collapse;
2643	+ // First, search the line map for the text node corresponding to,
2644	+ // or closest to, the target character.
2645	+ for (var i = 0; i < map.length; i += 3) {
2646	+ var mStart = map[i], mEnd = map[i + 1];
2647	+ if (ch < mStart) {
2648	+ start = 0; end = 1;
2649	+ collapse = "left";
2650	+ } else if (ch < mEnd) {
2651	+ start = ch - mStart;
2652	+ end = start + 1;
2653	+ } else if (i == map.length - 3 \|\| ch == mEnd && map[i + 3] > ch) {
2654	+ end = mEnd - mStart;
2655	+ start = end - 1;
2656	+ if (ch >= mEnd) collapse = "right";
2657	+ }
2658	+ if (start != null) {
2659	+ node = map[i + 2];
2660	+ if (mStart == mEnd && bias == (node.insertLeft ? "left" : "right"))
2661	+ collapse = bias;
2662	+ if (bias == "left" && start == 0)
2663	+ while (i && map[i - 2] == map[i - 3] && map[i - 1].insertLeft) {
2664	+ node = map[(i -= 3) + 2];
2665	+ collapse = "left";
2666	+ }
2667	+ if (bias == "right" && start == mEnd - mStart)
2668	+ while (i < map.length - 3 && map[i + 3] == map[i + 4] && !map[i + 5].insertLeft) {
2669	+ node = map[(i += 3) + 2];
2670	+ collapse = "right";
2671	+ }
2672	+ break;
2673	+ }
2674	+ }
2675	+ return {node: node, start: start, end: end, collapse: collapse, coverStart: mStart, coverEnd: mEnd};
2676	+ }
2677	+
2678	+ function measureCharInner(cm, prepared, ch, bias) {
2679	+ var place = nodeAndOffsetInLineMap(prepared.map, ch, bias);
2680	+ var node = place.node, start = place.start, end = place.end, collapse = place.collapse;
2681	+
2682	+ var rect;
2683	+ if (node.nodeType == 3) { // If it is a text node, use a range to retrieve the coordinates.
2684	+ for (var i = 0; i < 4; i++) { // Retry a maximum of 4 times when nonsense rectangles are returned
2685	+ while (start && isExtendingChar(prepared.line.text.charAt(place.coverStart + start))) --start;
2686	+ while (place.coverStart + end < place.coverEnd && isExtendingChar(prepared.line.text.charAt(place.coverStart + end))) ++end;
2687	+ if (ie && ie_version < 9 && start == 0 && end == place.coverEnd - place.coverStart) {
2688	+ rect = node.parentNode.getBoundingClientRect();
2689	+ } else if (ie && cm.options.lineWrapping) {
2690	+ var rects = range(node, start, end).getClientRects();
2691	+ if (rects.length)
2692	+ rect = rects[bias == "right" ? rects.length - 1 : 0];
2693	+ else
2694	+ rect = nullRect;
2695	+ } else {
2696	+ rect = range(node, start, end).getBoundingClientRect() \|\| nullRect;
2697	+ }
2698	+ if (rect.left \|\| rect.right \|\| start == 0) break;
2699	+ end = start;
2700	+ start = start - 1;
2701	+ collapse = "right";
2702	+ }
2703	+ if (ie && ie_version < 11) rect = maybeUpdateRectForZooming(cm.display.measure, rect);
2704	+ } else { // If it is a widget, simply get the box for the whole widget.
2705	+ if (start > 0) collapse = bias = "right";
2706	+ var rects;
2707	+ if (cm.options.lineWrapping && (rects = node.getClientRects()).length > 1)
2708	+ rect = rects[bias == "right" ? rects.length - 1 : 0];
2709	+ else
2710	+ rect = node.getBoundingClientRect();
2711	+ }
2712	+ if (ie && ie_version < 9 && !start && (!rect \|\| !rect.left && !rect.right)) {
2713	+ var rSpan = node.parentNode.getClientRects()[0];
2714	+ if (rSpan)
2715	+ rect = {left: rSpan.left, right: rSpan.left + charWidth(cm.display), top: rSpan.top, bottom: rSpan.bottom};
2716	+ else
2717	+ rect = nullRect;
2718	+ }
2719	+
2720	+ var rtop = rect.top - prepared.rect.top, rbot = rect.bottom - prepared.rect.top;
2721	+ var mid = (rtop + rbot) / 2;
2722	+ var heights = prepared.view.measure.heights;
2723	+ for (var i = 0; i < heights.length - 1; i++)
2724	+ if (mid < heights[i]) break;
2725	+ var top = i ? heights[i - 1] : 0, bot = heights[i];
2726	+ var result = {left: (collapse == "right" ? rect.right : rect.left) - prepared.rect.left,
2727	+ right: (collapse == "left" ? rect.left : rect.right) - prepared.rect.left,
2728	+ top: top, bottom: bot};
2729	+ if (!rect.left && !rect.right) result.bogus = true;
2730	+ if (!cm.options.singleCursorHeightPerLine) { result.rtop = rtop; result.rbottom = rbot; }
2731	+
2732	+ return result;
2733	+ }
2734	+
2735	+ // Work around problem with bounding client rects on ranges being
2736	+ // returned incorrectly when zoomed on IE10 and below.
2737	+ function maybeUpdateRectForZooming(measure, rect) {
2738	+ if (!window.screen \|\| screen.logicalXDPI == null \|\|
2739	+ screen.logicalXDPI == screen.deviceXDPI \|\| !hasBadZoomedRects(measure))
2740	+ return rect;
2741	+ var scaleX = screen.logicalXDPI / screen.deviceXDPI;
2742	+ var scaleY = screen.logicalYDPI / screen.deviceYDPI;
2743	+ return {left: rect.left * scaleX, right: rect.right * scaleX,
2744	+ top: rect.top * scaleY, bottom: rect.bottom * scaleY};
2745	+ }
2746	+
2747	+ function clearLineMeasurementCacheFor(lineView) {
2748	+ if (lineView.measure) {
2749	+ lineView.measure.cache = {};
2750	+ lineView.measure.heights = null;
2751	+ if (lineView.rest) for (var i = 0; i < lineView.rest.length; i++)
2752	+ lineView.measure.caches[i] = {};
2753	+ }
2754	+ }
2755	+
2756	+ function clearLineMeasurementCache(cm) {
2757	+ cm.display.externalMeasure = null;
2758	+ removeChildren(cm.display.lineMeasure);
2759	+ for (var i = 0; i < cm.display.view.length; i++)
2760	+ clearLineMeasurementCacheFor(cm.display.view[i]);
2761	+ }
2762	+
2763	+ function clearCaches(cm) {
2764	+ clearLineMeasurementCache(cm);
2765	+ cm.display.cachedCharWidth = cm.display.cachedTextHeight = cm.display.cachedPaddingH = null;
2766	+ if (!cm.options.lineWrapping) cm.display.maxLineChanged = true;
2767	+ cm.display.lineNumChars = null;
2768	+ }
2769	+
2770	+ function pageScrollX() { return window.pageXOffset \|\| (document.documentElement \|\| document.body).scrollLeft; }
2771	+ function pageScrollY() { return window.pageYOffset \|\| (document.documentElement \|\| document.body).scrollTop; }
2772	+
2773	+ // Converts a {top, bottom, left, right} box from line-local
2774	+ // coordinates into another coordinate system. Context may be one of
2775	+ // "line", "div" (display.lineDiv), "local"/null (editor), "window",
2776	+ // or "page".
2777	+ function intoCoordSystem(cm, lineObj, rect, context) {
2778	+ if (lineObj.widgets) for (var i = 0; i < lineObj.widgets.length; ++i) if (lineObj.widgets[i].above) {
2779	+ var size = widgetHeight(lineObj.widgets[i]);
2780	+ rect.top += size; rect.bottom += size;
2781	+ }
2782	+ if (context == "line") return rect;
2783	+ if (!context) context = "local";
2784	+ var yOff = heightAtLine(lineObj);
2785	+ if (context == "local") yOff += paddingTop(cm.display);
2786	+ else yOff -= cm.display.viewOffset;
2787	+ if (context == "page" \|\| context == "window") {
2788	+ var lOff = cm.display.lineSpace.getBoundingClientRect();
2789	+ yOff += lOff.top + (context == "window" ? 0 : pageScrollY());
2790	+ var xOff = lOff.left + (context == "window" ? 0 : pageScrollX());
2791	+ rect.left += xOff; rect.right += xOff;
2792	+ }
2793	+ rect.top += yOff; rect.bottom += yOff;
2794	+ return rect;
2795	+ }
2796	+
2797	+ // Coverts a box from "div" coords to another coordinate system.
2798	+ // Context may be "window", "page", "div", or "local"/null.
2799	+ function fromCoordSystem(cm, coords, context) {
2800	+ if (context == "div") return coords;
2801	+ var left = coords.left, top = coords.top;
2802	+ // First move into "page" coordinate system
2803	+ if (context == "page") {
2804	+ left -= pageScrollX();
2805	+ top -= pageScrollY();
2806	+ } else if (context == "local" \|\| !context) {
2807	+ var localBox = cm.display.sizer.getBoundingClientRect();
2808	+ left += localBox.left;
2809	+ top += localBox.top;
2810	+ }
2811	+
2812	+ var lineSpaceBox = cm.display.lineSpace.getBoundingClientRect();
2813	+ return {left: left - lineSpaceBox.left, top: top - lineSpaceBox.top};
2814	+ }
2815	+
2816	+ function charCoords(cm, pos, context, lineObj, bias) {
2817	+ if (!lineObj) lineObj = getLine(cm.doc, pos.line);
2818	+ return intoCoordSystem(cm, lineObj, measureChar(cm, lineObj, pos.ch, bias), context);
2819	+ }
2820	+
2821	+ // Returns a box for a given cursor position, which may have an
2822	+ // 'other' property containing the position of the secondary cursor
2823	+ // on a bidi boundary.
2824	+ function cursorCoords(cm, pos, context, lineObj, preparedMeasure, varHeight) {
2825	+ lineObj = lineObj \|\| getLine(cm.doc, pos.line);
2826	+ if (!preparedMeasure) preparedMeasure = prepareMeasureForLine(cm, lineObj);
2827	+ function get(ch, right) {
2828	+ var m = measureCharPrepared(cm, preparedMeasure, ch, right ? "right" : "left", varHeight);
2829	+ if (right) m.left = m.right; else m.right = m.left;
2830	+ return intoCoordSystem(cm, lineObj, m, context);
2831	+ }
2832	+ function getBidi(ch, partPos) {
2833	+ var part = order[partPos], right = part.level % 2;
2834	+ if (ch == bidiLeft(part) && partPos && part.level < order[partPos - 1].level) {
2835	+ part = order[--partPos];
2836	+ ch = bidiRight(part) - (part.level % 2 ? 0 : 1);
2837	+ right = true;
2838	+ } else if (ch == bidiRight(part) && partPos < order.length - 1 && part.level < order[partPos + 1].level) {
2839	+ part = order[++partPos];
2840	+ ch = bidiLeft(part) - part.level % 2;
2841	+ right = false;
2842	+ }
2843	+ if (right && ch == part.to && ch > part.from) return get(ch - 1);
2844	+ return get(ch, right);
2845	+ }
2846	+ var order = getOrder(lineObj), ch = pos.ch;
2847	+ if (!order) return get(ch);
2848	+ var partPos = getBidiPartAt(order, ch);
2849	+ var val = getBidi(ch, partPos);
2850	+ if (bidiOther != null) val.other = getBidi(ch, bidiOther);
2851	+ return val;
2852	+ }
2853	+
2854	+ // Used to cheaply estimate the coordinates for a position. Used for
2855	+ // intermediate scroll updates.
2856	+ function estimateCoords(cm, pos) {
2857	+ var left = 0, pos = clipPos(cm.doc, pos);
2858	+ if (!cm.options.lineWrapping) left = charWidth(cm.display) * pos.ch;
2859	+ var lineObj = getLine(cm.doc, pos.line);
2860	+ var top = heightAtLine(lineObj) + paddingTop(cm.display);
2861	+ return {left: left, right: left, top: top, bottom: top + lineObj.height};
2862	+ }
2863	+
2864	+ // Positions returned by coordsChar contain some extra information.
2865	+ // xRel is the relative x position of the input coordinates compared
2866	+ // to the found position (so xRel > 0 means the coordinates are to
2867	+ // the right of the character position, for example). When outside
2868	+ // is true, that means the coordinates lie outside the line's
2869	+ // vertical range.
2870	+ function PosWithInfo(line, ch, outside, xRel) {
2871	+ var pos = Pos(line, ch);
2872	+ pos.xRel = xRel;
2873	+ if (outside) pos.outside = true;
2874	+ return pos;
2875	+ }
2876	+
2877	+ // Compute the character position closest to the given coordinates.
2878	+ // Input must be lineSpace-local ("div" coordinate system).
2879	+ function coordsChar(cm, x, y) {
2880	+ var doc = cm.doc;
2881	+ y += cm.display.viewOffset;
2882	+ if (y < 0) return PosWithInfo(doc.first, 0, true, -1);
2883	+ var lineN = lineAtHeight(doc, y), last = doc.first + doc.size - 1;
2884	+ if (lineN > last)
2885	+ return PosWithInfo(doc.first + doc.size - 1, getLine(doc, last).text.length, true, 1);
2886	+ if (x < 0) x = 0;
2887	+
2888	+ var lineObj = getLine(doc, lineN);
2889	+ for (;;) {
2890	+ var found = coordsCharInner(cm, lineObj, lineN, x, y);
2891	+ var merged = collapsedSpanAtEnd(lineObj);
2892	+ var mergedPos = merged && merged.find(0, true);
2893	+ if (merged && (found.ch > mergedPos.from.ch \|\| found.ch == mergedPos.from.ch && found.xRel > 0))
2894	+ lineN = lineNo(lineObj = mergedPos.to.line);
2895	+ else
2896	+ return found;
2897	+ }
2898	+ }
2899	+
2900	+ function coordsCharInner(cm, lineObj, lineNo, x, y) {
2901	+ var innerOff = y - heightAtLine(lineObj);
2902	+ var wrongLine = false, adjust = 2 * cm.display.wrapper.clientWidth;
2903	+ var preparedMeasure = prepareMeasureForLine(cm, lineObj);
2904	+
2905	+ function getX(ch) {
2906	+ var sp = cursorCoords(cm, Pos(lineNo, ch), "line", lineObj, preparedMeasure);
2907	+ wrongLine = true;
2908	+ if (innerOff > sp.bottom) return sp.left - adjust;
2909	+ else if (innerOff < sp.top) return sp.left + adjust;
2910	+ else wrongLine = false;
2911	+ return sp.left;
2912	+ }
2913	+
2914	+ var bidi = getOrder(lineObj), dist = lineObj.text.length;
2915	+ var from = lineLeft(lineObj), to = lineRight(lineObj);
2916	+ var fromX = getX(from), fromOutside = wrongLine, toX = getX(to), toOutside = wrongLine;
2917	+
2918	+ if (x > toX) return PosWithInfo(lineNo, to, toOutside, 1);
2919	+ // Do a binary search between these bounds.
2920	+ for (;;) {
2921	+ if (bidi ? to == from \|\| to == moveVisually(lineObj, from, 1) : to - from <= 1) {
2922	+ var ch = x < fromX \|\| x - fromX <= toX - x ? from : to;
2923	+ var xDiff = x - (ch == from ? fromX : toX);
2924	+ while (isExtendingChar(lineObj.text.charAt(ch))) ++ch;
2925	+ var pos = PosWithInfo(lineNo, ch, ch == from ? fromOutside : toOutside,
2926	+ xDiff < -1 ? -1 : xDiff > 1 ? 1 : 0);
2927	+ return pos;
2928	+ }
2929	+ var step = Math.ceil(dist / 2), middle = from + step;
2930	+ if (bidi) {
2931	+ middle = from;
2932	+ for (var i = 0; i < step; ++i) middle = moveVisually(lineObj, middle, 1);
2933	+ }
2934	+ var middleX = getX(middle);
2935	+ if (middleX > x) {to = middle; toX = middleX; if (toOutside = wrongLine) toX += 1000; dist = step;}
2936	+ else {from = middle; fromX = middleX; fromOutside = wrongLine; dist -= step;}
2937	+ }
2938	+ }
2939	+
2940	+ var measureText;
2941	+ // Compute the default text height.
2942	+ function textHeight(display) {
2943	+ if (display.cachedTextHeight != null) return display.cachedTextHeight;
2944	+ if (measureText == null) {
2945	+ measureText = elt("pre");
2946	+ // Measure a bunch of lines, for browsers that compute
2947	+ // fractional heights.
2948	+ for (var i = 0; i < 49; ++i) {
2949	+ measureText.appendChild(document.createTextNode("x"));
2950	+ measureText.appendChild(elt("br"));
2951	+ }
2952	+ measureText.appendChild(document.createTextNode("x"));
2953	+ }
2954	+ removeChildrenAndAdd(display.measure, measureText);
2955	+ var height = measureText.offsetHeight / 50;
2956	+ if (height > 3) display.cachedTextHeight = height;
2957	+ removeChildren(display.measure);
2958	+ return height \|\| 1;
2959	+ }
2960	+
2961	+ // Compute the default character width.
2962	+ function charWidth(display) {
2963	+ if (display.cachedCharWidth != null) return display.cachedCharWidth;
2964	+ var anchor = elt("span", "xxxxxxxxxx");
2965	+ var pre = elt("pre", [anchor]);
2966	+ removeChildrenAndAdd(display.measure, pre);
2967	+ var rect = anchor.getBoundingClientRect(), width = (rect.right - rect.left) / 10;
2968	+ if (width > 2) display.cachedCharWidth = width;
2969	+ return width \|\| 10;
2970	+ }
2971	+
2972	+ // OPERATIONS
2973	+
2974	+ // Operations are used to wrap a series of changes to the editor
2975	+ // state in such a way that each change won't have to update the
2976	+ // cursor and display (which would be awkward, slow, and
2977	+ // error-prone). Instead, display updates are batched and then all
2978	+ // combined and executed at once.
2979	+
2980	+ var operationGroup = null;
2981	+
2982	+ var nextOpId = 0;
2983	+ // Start a new operation.
2984	+ function startOperation(cm) {
2985	+ cm.curOp = {
2986	+ cm: cm,
2987	+ viewChanged: false, // Flag that indicates that lines might need to be redrawn
2988	+ startHeight: cm.doc.height, // Used to detect need to update scrollbar
2989	+ forceUpdate: false, // Used to force a redraw
2990	+ updateInput: null, // Whether to reset the input textarea
2991	+ typing: false, // Whether this reset should be careful to leave existing text (for compositing)
2992	+ changeObjs: null, // Accumulated changes, for firing change events
2993	+ cursorActivityHandlers: null, // Set of handlers to fire cursorActivity on
2994	+ cursorActivityCalled: 0, // Tracks which cursorActivity handlers have been called already
2995	+ selectionChanged: false, // Whether the selection needs to be redrawn
2996	+ updateMaxLine: false, // Set when the widest line needs to be determined anew
2997	+ scrollLeft: null, scrollTop: null, // Intermediate scroll position, not pushed to DOM yet
2998	+ scrollToPos: null, // Used to scroll to a specific position
2999	+ focus: false,
3000	+ id: ++nextOpId // Unique ID
3001	+ };
3002	+ if (operationGroup) {
3003	+ operationGroup.ops.push(cm.curOp);
3004	+ } else {
3005	+ cm.curOp.ownsGroup = operationGroup = {
3006	+ ops: [cm.curOp],
3007	+ delayedCallbacks: []
3008	+ };
3009	+ }
3010	+ }
3011	+
3012	+ function fireCallbacksForOps(group) {
3013	+ // Calls delayed callbacks and cursorActivity handlers until no
3014	+ // new ones appear
3015	+ var callbacks = group.delayedCallbacks, i = 0;
3016	+ do {
3017	+ for (; i < callbacks.length; i++)
3018	+ callbacks[i].call(null);
3019	+ for (var j = 0; j < group.ops.length; j++) {
3020	+ var op = group.ops[j];
3021	+ if (op.cursorActivityHandlers)
3022	+ while (op.cursorActivityCalled < op.cursorActivityHandlers.length)
3023	+ op.cursorActivityHandlers[op.cursorActivityCalled++].call(null, op.cm);
3024	+ }
3025	+ } while (i < callbacks.length);
3026	+ }
3027	+
3028	+ // Finish an operation, updating the display and signalling delayed events
3029	+ function endOperation(cm) {
3030	+ var op = cm.curOp, group = op.ownsGroup;
3031	+ if (!group) return;
3032	+
3033	+ try { fireCallbacksForOps(group); }
3034	+ finally {
3035	+ operationGroup = null;
3036	+ for (var i = 0; i < group.ops.length; i++)
3037	+ group.ops[i].cm.curOp = null;
3038	+ endOperations(group);
3039	+ }
3040	+ }
3041	+
3042	+ // The DOM updates done when an operation finishes are batched so
3043	+ // that the minimum number of relayouts are required.
3044	+ function endOperations(group) {
3045	+ var ops = group.ops;
3046	+ for (var i = 0; i < ops.length; i++) // Read DOM
3047	+ endOperation_R1(ops[i]);
3048	+ for (var i = 0; i < ops.length; i++) // Write DOM (maybe)
3049	+ endOperation_W1(ops[i]);
3050	+ for (var i = 0; i < ops.length; i++) // Read DOM
3051	+ endOperation_R2(ops[i]);
3052	+ for (var i = 0; i < ops.length; i++) // Write DOM (maybe)
3053	+ endOperation_W2(ops[i]);
3054	+ for (var i = 0; i < ops.length; i++) // Read DOM
3055	+ endOperation_finish(ops[i]);
3056	+ }
3057	+
3058	+ function endOperation_R1(op) {
3059	+ var cm = op.cm, display = cm.display;
3060	+ maybeClipScrollbars(cm);
3061	+ if (op.updateMaxLine) findMaxLine(cm);
3062	+
3063	+ op.mustUpdate = op.viewChanged \|\| op.forceUpdate \|\| op.scrollTop != null \|\|
3064	+ op.scrollToPos && (op.scrollToPos.from.line < display.viewFrom \|\|
3065	+ op.scrollToPos.to.line >= display.viewTo) \|\|
3066	+ display.maxLineChanged && cm.options.lineWrapping;
3067	+ op.update = op.mustUpdate &&
3068	+ new DisplayUpdate(cm, op.mustUpdate && {top: op.scrollTop, ensure: op.scrollToPos}, op.forceUpdate);
3069	+ }
3070	+
3071	+ function endOperation_W1(op) {
3072	+ op.updatedDisplay = op.mustUpdate && updateDisplayIfNeeded(op.cm, op.update);
3073	+ }
3074	+
3075	+ function endOperation_R2(op) {
3076	+ var cm = op.cm, display = cm.display;
3077	+ if (op.updatedDisplay) updateHeightsInViewport(cm);
3078	+
3079	+ op.barMeasure = measureForScrollbars(cm);
3080	+
3081	+ // If the max line changed since it was last measured, measure it,
3082	+ // and ensure the document's width matches it.
3083	+ // updateDisplay_W2 will use these properties to do the actual resizing
3084	+ if (display.maxLineChanged && !cm.options.lineWrapping) {
3085	+ op.adjustWidthTo = measureChar(cm, display.maxLine, display.maxLine.text.length).left + 3;
3086	+ cm.display.sizerWidth = op.adjustWidthTo;
3087	+ op.barMeasure.scrollWidth =
3088	+ Math.max(display.scroller.clientWidth, display.sizer.offsetLeft + op.adjustWidthTo + scrollGap(cm) + cm.display.barWidth);
3089	+ op.maxScrollLeft = Math.max(0, display.sizer.offsetLeft + op.adjustWidthTo - displayWidth(cm));
3090	+ }
3091	+
3092	+ if (op.updatedDisplay \|\| op.selectionChanged)
3093	+ op.preparedSelection = display.input.prepareSelection();
3094	+ }
3095	+
3096	+ function endOperation_W2(op) {
3097	+ var cm = op.cm;
3098	+
3099	+ if (op.adjustWidthTo != null) {
3100	+ cm.display.sizer.style.minWidth = op.adjustWidthTo + "px";
3101	+ if (op.maxScrollLeft < cm.doc.scrollLeft)
3102	+ setScrollLeft(cm, Math.min(cm.display.scroller.scrollLeft, op.maxScrollLeft), true);
3103	+ cm.display.maxLineChanged = false;
3104	+ }
3105	+
3106	+ if (op.preparedSelection)
3107	+ cm.display.input.showSelection(op.preparedSelection);
3108	+ if (op.updatedDisplay)
3109	+ setDocumentHeight(cm, op.barMeasure);
3110	+ if (op.updatedDisplay \|\| op.startHeight != cm.doc.height)
3111	+ updateScrollbars(cm, op.barMeasure);
3112	+
3113	+ if (op.selectionChanged) restartBlink(cm);
3114	+
3115	+ if (cm.state.focused && op.updateInput)
3116	+ cm.display.input.reset(op.typing);
3117	+ if (op.focus && op.focus == activeElt() && (!document.hasFocus \|\| document.hasFocus()))
3118	+ ensureFocus(op.cm);
3119	+ }
3120	+
3121	+ function endOperation_finish(op) {
3122	+ var cm = op.cm, display = cm.display, doc = cm.doc;
3123	+
3124	+ if (op.updatedDisplay) postUpdateDisplay(cm, op.update);
3125	+
3126	+ // Abort mouse wheel delta measurement, when scrolling explicitly
3127	+ if (display.wheelStartX != null && (op.scrollTop != null \|\| op.scrollLeft != null \|\| op.scrollToPos))
3128	+ display.wheelStartX = display.wheelStartY = null;
3129	+
3130	+ // Propagate the scroll position to the actual DOM scroller
3131	+ if (op.scrollTop != null && (display.scroller.scrollTop != op.scrollTop \|\| op.forceScroll)) {
3132	+ doc.scrollTop = Math.max(0, Math.min(display.scroller.scrollHeight - display.scroller.clientHeight, op.scrollTop));
3133	+ display.scrollbars.setScrollTop(doc.scrollTop);
3134	+ display.scroller.scrollTop = doc.scrollTop;
3135	+ }
3136	+ if (op.scrollLeft != null && (display.scroller.scrollLeft != op.scrollLeft \|\| op.forceScroll)) {
3137	+ doc.scrollLeft = Math.max(0, Math.min(display.scroller.scrollWidth - displayWidth(cm), op.scrollLeft));
3138	+ display.scrollbars.setScrollLeft(doc.scrollLeft);
3139	+ display.scroller.scrollLeft = doc.scrollLeft;
3140	+ alignHorizontally(cm);
3141	+ }
3142	+ // If we need to scroll a specific position into view, do so.
3143	+ if (op.scrollToPos) {
3144	+ var coords = scrollPosIntoView(cm, clipPos(doc, op.scrollToPos.from),
3145	+ clipPos(doc, op.scrollToPos.to), op.scrollToPos.margin);
3146	+ if (op.scrollToPos.isCursor && cm.state.focused) maybeScrollWindow(cm, coords);
3147	+ }
3148	+
3149	+ // Fire events for markers that are hidden/unidden by editing or
3150	+ // undoing
3151	+ var hidden = op.maybeHiddenMarkers, unhidden = op.maybeUnhiddenMarkers;
3152	+ if (hidden) for (var i = 0; i < hidden.length; ++i)
3153	+ if (!hidden[i].lines.length) signal(hidden[i], "hide");
3154	+ if (unhidden) for (var i = 0; i < unhidden.length; ++i)
3155	+ if (unhidden[i].lines.length) signal(unhidden[i], "unhide");
3156	+
3157	+ if (display.wrapper.offsetHeight)
3158	+ doc.scrollTop = cm.display.scroller.scrollTop;
3159	+
3160	+ // Fire change events, and delayed event handlers
3161	+ if (op.changeObjs)
3162	+ signal(cm, "changes", cm, op.changeObjs);
3163	+ if (op.update)
3164	+ op.update.finish();
3165	+ }
3166	+
3167	+ // Run the given function in an operation
3168	+ function runInOp(cm, f) {
3169	+ if (cm.curOp) return f();
3170	+ startOperation(cm);
3171	+ try { return f(); }
3172	+ finally { endOperation(cm); }
3173	+ }
3174	+ // Wraps a function in an operation. Returns the wrapped function.
3175	+ function operation(cm, f) {
3176	+ return function() {
3177	+ if (cm.curOp) return f.apply(cm, arguments);
3178	+ startOperation(cm);
3179	+ try { return f.apply(cm, arguments); }
3180	+ finally { endOperation(cm); }
3181	+ };
3182	+ }
3183	+ // Used to add methods to editor and doc instances, wrapping them in
3184	+ // operations.
3185	+ function methodOp(f) {
3186	+ return function() {
3187	+ if (this.curOp) return f.apply(this, arguments);
3188	+ startOperation(this);
3189	+ try { return f.apply(this, arguments); }
3190	+ finally { endOperation(this); }
3191	+ };
3192	+ }
3193	+ function docMethodOp(f) {
3194	+ return function() {
3195	+ var cm = this.cm;
3196	+ if (!cm \|\| cm.curOp) return f.apply(this, arguments);
3197	+ startOperation(cm);
3198	+ try { return f.apply(this, arguments); }
3199	+ finally { endOperation(cm); }
3200	+ };
3201	+ }
3202	+
3203	+ // VIEW TRACKING
3204	+
3205	+ // These objects are used to represent the visible (currently drawn)
3206	+ // part of the document. A LineView may correspond to multiple
3207	+ // logical lines, if those are connected by collapsed ranges.
3208	+ function LineView(doc, line, lineN) {
3209	+ // The starting line
3210	+ this.line = line;
3211	+ // Continuing lines, if any
3212	+ this.rest = visualLineContinued(line);
3213	+ // Number of logical lines in this visual line
3214	+ this.size = this.rest ? lineNo(lst(this.rest)) - lineN + 1 : 1;
3215	+ this.node = this.text = null;
3216	+ this.hidden = lineIsHidden(doc, line);
3217	+ }
3218	+
3219	+ // Create a range of LineView objects for the given lines.
3220	+ function buildViewArray(cm, from, to) {
3221	+ var array = [], nextPos;
3222	+ for (var pos = from; pos < to; pos = nextPos) {
3223	+ var view = new LineView(cm.doc, getLine(cm.doc, pos), pos);
3224	+ nextPos = pos + view.size;
3225	+ array.push(view);
3226	+ }
3227	+ return array;
3228	+ }
3229	+
3230	+ // Updates the display.view data structure for a given change to the
3231	+ // document. From and to are in pre-change coordinates. Lendiff is
3232	+ // the amount of lines added or subtracted by the change. This is
3233	+ // used for changes that span multiple lines, or change the way
3234	+ // lines are divided into visual lines. regLineChange (below)
3235	+ // registers single-line changes.
3236	+ function regChange(cm, from, to, lendiff) {
3237	+ if (from == null) from = cm.doc.first;
3238	+ if (to == null) to = cm.doc.first + cm.doc.size;
3239	+ if (!lendiff) lendiff = 0;
3240	+
3241	+ var display = cm.display;
3242	+ if (lendiff && to < display.viewTo &&
3243	+ (display.updateLineNumbers == null \|\| display.updateLineNumbers > from))
3244	+ display.updateLineNumbers = from;
3245	+
3246	+ cm.curOp.viewChanged = true;
3247	+
3248	+ if (from >= display.viewTo) { // Change after
3249	+ if (sawCollapsedSpans && visualLineNo(cm.doc, from) < display.viewTo)
3250	+ resetView(cm);
3251	+ } else if (to <= display.viewFrom) { // Change before
3252	+ if (sawCollapsedSpans && visualLineEndNo(cm.doc, to + lendiff) > display.viewFrom) {
3253	+ resetView(cm);
3254	+ } else {
3255	+ display.viewFrom += lendiff;
3256	+ display.viewTo += lendiff;
3257	+ }
3258	+ } else if (from <= display.viewFrom && to >= display.viewTo) { // Full overlap
3259	+ resetView(cm);
3260	+ } else if (from <= display.viewFrom) { // Top overlap
3261	+ var cut = viewCuttingPoint(cm, to, to + lendiff, 1);
3262	+ if (cut) {
3263	+ display.view = display.view.slice(cut.index);
3264	+ display.viewFrom = cut.lineN;
3265	+ display.viewTo += lendiff;
3266	+ } else {
3267	+ resetView(cm);
3268	+ }
3269	+ } else if (to >= display.viewTo) { // Bottom overlap
3270	+ var cut = viewCuttingPoint(cm, from, from, -1);
3271	+ if (cut) {
3272	+ display.view = display.view.slice(0, cut.index);
3273	+ display.viewTo = cut.lineN;
3274	+ } else {
3275	+ resetView(cm);
3276	+ }
3277	+ } else { // Gap in the middle
3278	+ var cutTop = viewCuttingPoint(cm, from, from, -1);
3279	+ var cutBot = viewCuttingPoint(cm, to, to + lendiff, 1);
3280	+ if (cutTop && cutBot) {
3281	+ display.view = display.view.slice(0, cutTop.index)
3282	+ .concat(buildViewArray(cm, cutTop.lineN, cutBot.lineN))
3283	+ .concat(display.view.slice(cutBot.index));
3284	+ display.viewTo += lendiff;
3285	+ } else {
3286	+ resetView(cm);
3287	+ }
3288	+ }
3289	+
3290	+ var ext = display.externalMeasured;
3291	+ if (ext) {
3292	+ if (to < ext.lineN)
3293	+ ext.lineN += lendiff;
3294	+ else if (from < ext.lineN + ext.size)
3295	+ display.externalMeasured = null;
3296	+ }
3297	+ }
3298	+
3299	+ // Register a change to a single line. Type must be one of "text",
3300	+ // "gutter", "class", "widget"
3301	+ function regLineChange(cm, line, type) {
3302	+ cm.curOp.viewChanged = true;
3303	+ var display = cm.display, ext = cm.display.externalMeasured;
3304	+ if (ext && line >= ext.lineN && line < ext.lineN + ext.size)
3305	+ display.externalMeasured = null;
3306	+
3307	+ if (line < display.viewFrom \|\| line >= display.viewTo) return;
3308	+ var lineView = display.view[findViewIndex(cm, line)];
3309	+ if (lineView.node == null) return;
3310	+ var arr = lineView.changes \|\| (lineView.changes = []);
3311	+ if (indexOf(arr, type) == -1) arr.push(type);
3312	+ }
3313	+
3314	+ // Clear the view.
3315	+ function resetView(cm) {
3316	+ cm.display.viewFrom = cm.display.viewTo = cm.doc.first;
3317	+ cm.display.view = [];
3318	+ cm.display.viewOffset = 0;
3319	+ }
3320	+
3321	+ // Find the view element corresponding to a given line. Return null
3322	+ // when the line isn't visible.
3323	+ function findViewIndex(cm, n) {
3324	+ if (n >= cm.display.viewTo) return null;
3325	+ n -= cm.display.viewFrom;
3326	+ if (n < 0) return null;
3327	+ var view = cm.display.view;
3328	+ for (var i = 0; i < view.length; i++) {
3329	+ n -= view[i].size;
3330	+ if (n < 0) return i;
3331	+ }
3332	+ }
3333	+
3334	+ function viewCuttingPoint(cm, oldN, newN, dir) {
3335	+ var index = findViewIndex(cm, oldN), diff, view = cm.display.view;
3336	+ if (!sawCollapsedSpans \|\| newN == cm.doc.first + cm.doc.size)
3337	+ return {index: index, lineN: newN};
3338	+ for (var i = 0, n = cm.display.viewFrom; i < index; i++)
3339	+ n += view[i].size;
3340	+ if (n != oldN) {
3341	+ if (dir > 0) {
3342	+ if (index == view.length - 1) return null;
3343	+ diff = (n + view[index].size) - oldN;
3344	+ index++;
3345	+ } else {
3346	+ diff = n - oldN;
3347	+ }
3348	+ oldN += diff; newN += diff;
3349	+ }
3350	+ while (visualLineNo(cm.doc, newN) != newN) {
3351	+ if (index == (dir < 0 ? 0 : view.length - 1)) return null;
3352	+ newN += dir * view[index - (dir < 0 ? 1 : 0)].size;
3353	+ index += dir;
3354	+ }
3355	+ return {index: index, lineN: newN};
3356	+ }
3357	+
3358	+ // Force the view to cover a given range, adding empty view element
3359	+ // or clipping off existing ones as needed.
3360	+ function adjustView(cm, from, to) {
3361	+ var display = cm.display, view = display.view;
3362	+ if (view.length == 0 \|\| from >= display.viewTo \|\| to <= display.viewFrom) {
3363	+ display.view = buildViewArray(cm, from, to);
3364	+ display.viewFrom = from;
3365	+ } else {
3366	+ if (display.viewFrom > from)
3367	+ display.view = buildViewArray(cm, from, display.viewFrom).concat(display.view);
3368	+ else if (display.viewFrom < from)
3369	+ display.view = display.view.slice(findViewIndex(cm, from));
3370	+ display.viewFrom = from;
3371	+ if (display.viewTo < to)
3372	+ display.view = display.view.concat(buildViewArray(cm, display.viewTo, to));
3373	+ else if (display.viewTo > to)
3374	+ display.view = display.view.slice(0, findViewIndex(cm, to));
3375	+ }
3376	+ display.viewTo = to;
3377	+ }
3378	+
3379	+ // Count the number of lines in the view whose DOM representation is
3380	+ // out of date (or nonexistent).
3381	+ function countDirtyView(cm) {
3382	+ var view = cm.display.view, dirty = 0;
3383	+ for (var i = 0; i < view.length; i++) {
3384	+ var lineView = view[i];
3385	+ if (!lineView.hidden && (!lineView.node \|\| lineView.changes)) ++dirty;
3386	+ }
3387	+ return dirty;
3388	+ }
3389	+
3390	+ // EVENT HANDLERS
3391	+
3392	+ // Attach the necessary event handlers when initializing the editor
3393	+ function registerEventHandlers(cm) {
3394	+ var d = cm.display;
3395	+ on(d.scroller, "mousedown", operation(cm, onMouseDown));
3396	+ // Older IE's will not fire a second mousedown for a double click
3397	+ if (ie && ie_version < 11)
3398	+ on(d.scroller, "dblclick", operation(cm, function(e) {
3399	+ if (signalDOMEvent(cm, e)) return;
3400	+ var pos = posFromMouse(cm, e);
3401	+ if (!pos \|\| clickInGutter(cm, e) \|\| eventInWidget(cm.display, e)) return;
3402	+ e_preventDefault(e);
3403	+ var word = cm.findWordAt(pos);
3404	+ extendSelection(cm.doc, word.anchor, word.head);
3405	+ }));
3406	+ else
3407	+ on(d.scroller, "dblclick", function(e) { signalDOMEvent(cm, e) \|\| e_preventDefault(e); });
3408	+ // Some browsers fire contextmenu after opening the menu, at
3409	+ // which point we can't mess with it anymore. Context menu is
3410	+ // handled in onMouseDown for these browsers.
3411	+ if (!captureRightClick) on(d.scroller, "contextmenu", function(e) {onContextMenu(cm, e);});
3412	+
3413	+ // Used to suppress mouse event handling when a touch happens
3414	+ var touchFinished, prevTouch = {end: 0};
3415	+ function finishTouch() {
3416	+ if (d.activeTouch) {
3417	+ touchFinished = setTimeout(function() {d.activeTouch = null;}, 1000);
3418	+ prevTouch = d.activeTouch;
3419	+ prevTouch.end = +new Date;
3420	+ }
3421	+ };
3422	+ function isMouseLikeTouchEvent(e) {
3423	+ if (e.touches.length != 1) return false;
3424	+ var touch = e.touches[0];
3425	+ return touch.radiusX <= 1 && touch.radiusY <= 1;
3426	+ }
3427	+ function farAway(touch, other) {
3428	+ if (other.left == null) return true;
3429	+ var dx = other.left - touch.left, dy = other.top - touch.top;
3430	+ return dx * dx + dy * dy > 20 * 20;
3431	+ }
3432	+ on(d.scroller, "touchstart", function(e) {
3433	+ if (!isMouseLikeTouchEvent(e)) {
3434	+ clearTimeout(touchFinished);
3435	+ var now = +new Date;
3436	+ d.activeTouch = {start: now, moved: false,
3437	+ prev: now - prevTouch.end <= 300 ? prevTouch : null};
3438	+ if (e.touches.length == 1) {
3439	+ d.activeTouch.left = e.touches[0].pageX;
3440	+ d.activeTouch.top = e.touches[0].pageY;
3441	+ }
3442	+ }
3443	+ });
3444	+ on(d.scroller, "touchmove", function() {
3445	+ if (d.activeTouch) d.activeTouch.moved = true;
3446	+ });
3447	+ on(d.scroller, "touchend", function(e) {
3448	+ var touch = d.activeTouch;
3449	+ if (touch && !eventInWidget(d, e) && touch.left != null &&
3450	+ !touch.moved && new Date - touch.start < 300) {
3451	+ var pos = cm.coordsChar(d.activeTouch, "page"), range;
3452	+ if (!touch.prev \|\| farAway(touch, touch.prev)) // Single tap
3453	+ range = new Range(pos, pos);
3454	+ else if (!touch.prev.prev \|\| farAway(touch, touch.prev.prev)) // Double tap
3455	+ range = cm.findWordAt(pos);
3456	+ else // Triple tap
3457	+ range = new Range(Pos(pos.line, 0), clipPos(cm.doc, Pos(pos.line + 1, 0)));
3458	+ cm.setSelection(range.anchor, range.head);
3459	+ cm.focus();
3460	+ e_preventDefault(e);
3461	+ }
3462	+ finishTouch();
3463	+ });
3464	+ on(d.scroller, "touchcancel", finishTouch);
3465	+
3466	+ // Sync scrolling between fake scrollbars and real scrollable
3467	+ // area, ensure viewport is updated when scrolling.
3468	+ on(d.scroller, "scroll", function() {
3469	+ if (d.scroller.clientHeight) {
3470	+ setScrollTop(cm, d.scroller.scrollTop);
3471	+ setScrollLeft(cm, d.scroller.scrollLeft, true);
3472	+ signal(cm, "scroll", cm);
3473	+ }
3474	+ });
3475	+
3476	+ // Listen to wheel events in order to try and update the viewport on time.
3477	+ on(d.scroller, "mousewheel", function(e){onScrollWheel(cm, e);});
3478	+ on(d.scroller, "DOMMouseScroll", function(e){onScrollWheel(cm, e);});
3479	+
3480	+ // Prevent wrapper from ever scrolling
3481	+ on(d.wrapper, "scroll", function() { d.wrapper.scrollTop = d.wrapper.scrollLeft = 0; });
3482	+
3483	+ d.dragFunctions = {
3484	+ enter: function(e) {if (!signalDOMEvent(cm, e)) e_stop(e);},
3485	+ over: function(e) {if (!signalDOMEvent(cm, e)) { onDragOver(cm, e); e_stop(e); }},
3486	+ start: function(e){onDragStart(cm, e);},
3487	+ drop: operation(cm, onDrop),
3488	+ leave: function() {clearDragCursor(cm);}
3489	+ };
3490	+
3491	+ var inp = d.input.getField();
3492	+ on(inp, "keyup", function(e) { onKeyUp.call(cm, e); });
3493	+ on(inp, "keydown", operation(cm, onKeyDown));
3494	+ on(inp, "keypress", operation(cm, onKeyPress));
3495	+ on(inp, "focus", bind(onFocus, cm));
3496	+ on(inp, "blur", bind(onBlur, cm));
3497	+ }
3498	+
3499	+ function dragDropChanged(cm, value, old) {
3500	+ var wasOn = old && old != CodeMirror.Init;
3501	+ if (!value != !wasOn) {
3502	+ var funcs = cm.display.dragFunctions;
3503	+ var toggle = value ? on : off;
3504	+ toggle(cm.display.scroller, "dragstart", funcs.start);
3505	+ toggle(cm.display.scroller, "dragenter", funcs.enter);
3506	+ toggle(cm.display.scroller, "dragover", funcs.over);
3507	+ toggle(cm.display.scroller, "dragleave", funcs.leave);
3508	+ toggle(cm.display.scroller, "drop", funcs.drop);
3509	+ }
3510	+ }
3511	+
3512	+ // Called when the window resizes
3513	+ function onResize(cm) {
3514	+ var d = cm.display;
3515	+ if (d.lastWrapHeight == d.wrapper.clientHeight && d.lastWrapWidth == d.wrapper.clientWidth)
3516	+ return;
3517	+ // Might be a text scaling operation, clear size caches.
3518	+ d.cachedCharWidth = d.cachedTextHeight = d.cachedPaddingH = null;
3519	+ d.scrollbarsClipped = false;
3520	+ cm.setSize();
3521	+ }
3522	+
3523	+ // MOUSE EVENTS
3524	+
3525	+ // Return true when the given mouse event happened in a widget
3526	+ function eventInWidget(display, e) {
3527	+ for (var n = e_target(e); n != display.wrapper; n = n.parentNode) {
3528	+ if (!n \|\| (n.nodeType == 1 && n.getAttribute("cm-ignore-events") == "true") \|\|
3529	+ (n.parentNode == display.sizer && n != display.mover))
3530	+ return true;
3531	+ }
3532	+ }
3533	+
3534	+ // Given a mouse event, find the corresponding position. If liberal
3535	+ // is false, it checks whether a gutter or scrollbar was clicked,
3536	+ // and returns null if it was. forRect is used by rectangular
3537	+ // selections, and tries to estimate a character position even for
3538	+ // coordinates beyond the right of the text.
3539	+ function posFromMouse(cm, e, liberal, forRect) {
3540	+ var display = cm.display;
3541	+ if (!liberal && e_target(e).getAttribute("cm-not-content") == "true") return null;
3542	+
3543	+ var x, y, space = display.lineSpace.getBoundingClientRect();
3544	+ // Fails unpredictably on IE[67] when mouse is dragged around quickly.
3545	+ try { x = e.clientX - space.left; y = e.clientY - space.top; }
3546	+ catch (e) { return null; }
3547	+ var coords = coordsChar(cm, x, y), line;
3548	+ if (forRect && coords.xRel == 1 && (line = getLine(cm.doc, coords.line).text).length == coords.ch) {
3549	+ var colDiff = countColumn(line, line.length, cm.options.tabSize) - line.length;
3550	+ coords = Pos(coords.line, Math.max(0, Math.round((x - paddingH(cm.display).left) / charWidth(cm.display)) - colDiff));
3551	+ }
3552	+ return coords;
3553	+ }
3554	+
3555	+ // A mouse down can be a single click, double click, triple click,
3556	+ // start of selection drag, start of text drag, new cursor
3557	+ // (ctrl-click), rectangle drag (alt-drag), or xwin
3558	+ // middle-click-paste. Or it might be a click on something we should
3559	+ // not interfere with, such as a scrollbar or widget.
3560	+ function onMouseDown(e) {
3561	+ var cm = this, display = cm.display;
3562	+ if (display.activeTouch && display.input.supportsTouch() \|\| signalDOMEvent(cm, e)) return;
3563	+ display.shift = e.shiftKey;
3564	+
3565	+ if (eventInWidget(display, e)) {
3566	+ if (!webkit) {
3567	+ // Briefly turn off draggability, to allow widgets to do
3568	+ // normal dragging things.
3569	+ display.scroller.draggable = false;
3570	+ setTimeout(function(){display.scroller.draggable = true;}, 100);
3571	+ }
3572	+ return;
3573	+ }
3574	+ if (clickInGutter(cm, e)) return;
3575	+ var start = posFromMouse(cm, e);
3576	+ window.focus();
3577	+
3578	+ switch (e_button(e)) {
3579	+ case 1:
3580	+ // #3261: make sure, that we're not starting a second selection
3581	+ if (cm.state.selectingText)
3582	+ cm.state.selectingText(e);
3583	+ else if (start)
3584	+ leftButtonDown(cm, e, start);
3585	+ else if (e_target(e) == display.scroller)
3586	+ e_preventDefault(e);
3587	+ break;
3588	+ case 2:
3589	+ if (webkit) cm.state.lastMiddleDown = +new Date;
3590	+ if (start) extendSelection(cm.doc, start);
3591	+ setTimeout(function() {display.input.focus();}, 20);
3592	+ e_preventDefault(e);
3593	+ break;
3594	+ case 3:
3595	+ if (captureRightClick) onContextMenu(cm, e);
3596	+ else delayBlurEvent(cm);
3597	+ break;
3598	+ }
3599	+ }
3600	+
3601	+ var lastClick, lastDoubleClick;
3602	+ function leftButtonDown(cm, e, start) {
3603	+ if (ie) setTimeout(bind(ensureFocus, cm), 0);
3604	+ else cm.curOp.focus = activeElt();
3605	+
3606	+ var now = +new Date, type;
3607	+ if (lastDoubleClick && lastDoubleClick.time > now - 400 && cmp(lastDoubleClick.pos, start) == 0) {
3608	+ type = "triple";
3609	+ } else if (lastClick && lastClick.time > now - 400 && cmp(lastClick.pos, start) == 0) {
3610	+ type = "double";
3611	+ lastDoubleClick = {time: now, pos: start};
3612	+ } else {
3613	+ type = "single";
3614	+ lastClick = {time: now, pos: start};
3615	+ }
3616	+
3617	+ var sel = cm.doc.sel, modifier = mac ? e.metaKey : e.ctrlKey, contained;
3618	+ if (cm.options.dragDrop && dragAndDrop && !cm.isReadOnly() &&
3619	+ type == "single" && (contained = sel.contains(start)) > -1 &&
3620	+ (cmp((contained = sel.ranges[contained]).from(), start) < 0 \|\| start.xRel > 0) &&
3621	+ (cmp(contained.to(), start) > 0 \|\| start.xRel < 0))
3622	+ leftButtonStartDrag(cm, e, start, modifier);
3623	+ else
3624	+ leftButtonSelect(cm, e, start, type, modifier);
3625	+ }
3626	+
3627	+ // Start a text drag. When it ends, see if any dragging actually
3628	+ // happen, and treat as a click if it didn't.
3629	+ function leftButtonStartDrag(cm, e, start, modifier) {
3630	+ var display = cm.display, startTime = +new Date;
3631	+ var dragEnd = operation(cm, function(e2) {
3632	+ if (webkit) display.scroller.draggable = false;
3633	+ cm.state.draggingText = false;
3634	+ off(document, "mouseup", dragEnd);
3635	+ off(display.scroller, "drop", dragEnd);
3636	+ if (Math.abs(e.clientX - e2.clientX) + Math.abs(e.clientY - e2.clientY) < 10) {
3637	+ e_preventDefault(e2);
3638	+ if (!modifier && +new Date - 200 < startTime)
3639	+ extendSelection(cm.doc, start);
3640	+ // Work around unexplainable focus problem in IE9 (#2127) and Chrome (#3081)
3641	+ if (webkit \|\| ie && ie_version == 9)
3642	+ setTimeout(function() {document.body.focus(); display.input.focus();}, 20);
3643	+ else
3644	+ display.input.focus();
3645	+ }
3646	+ });
3647	+ // Let the drag handler handle this.
3648	+ if (webkit) display.scroller.draggable = true;
3649	+ cm.state.draggingText = dragEnd;
3650	+ // IE's approach to draggable
3651	+ if (display.scroller.dragDrop) display.scroller.dragDrop();
3652	+ on(document, "mouseup", dragEnd);
3653	+ on(display.scroller, "drop", dragEnd);
3654	+ }
3655	+
3656	+ // Normal selection, as opposed to text dragging.
3657	+ function leftButtonSelect(cm, e, start, type, addNew) {
3658	+ var display = cm.display, doc = cm.doc;
3659	+ e_preventDefault(e);
3660	+
3661	+ var ourRange, ourIndex, startSel = doc.sel, ranges = startSel.ranges;
3662	+ if (addNew && !e.shiftKey) {
3663	+ ourIndex = doc.sel.contains(start);
3664	+ if (ourIndex > -1)
3665	+ ourRange = ranges[ourIndex];
3666	+ else
3667	+ ourRange = new Range(start, start);
3668	+ } else {
3669	+ ourRange = doc.sel.primary();
3670	+ ourIndex = doc.sel.primIndex;
3671	+ }
3672	+
3673	+ if (e.altKey) {
3674	+ type = "rect";
3675	+ if (!addNew) ourRange = new Range(start, start);
3676	+ start = posFromMouse(cm, e, true, true);
3677	+ ourIndex = -1;
3678	+ } else if (type == "double") {
3679	+ var word = cm.findWordAt(start);
3680	+ if (cm.display.shift \|\| doc.extend)
3681	+ ourRange = extendRange(doc, ourRange, word.anchor, word.head);
3682	+ else
3683	+ ourRange = word;
3684	+ } else if (type == "triple") {
3685	+ var line = new Range(Pos(start.line, 0), clipPos(doc, Pos(start.line + 1, 0)));
3686	+ if (cm.display.shift \|\| doc.extend)
3687	+ ourRange = extendRange(doc, ourRange, line.anchor, line.head);
3688	+ else
3689	+ ourRange = line;
3690	+ } else {
3691	+ ourRange = extendRange(doc, ourRange, start);
3692	+ }
3693	+
3694	+ if (!addNew) {
3695	+ ourIndex = 0;
3696	+ setSelection(doc, new Selection([ourRange], 0), sel_mouse);
3697	+ startSel = doc.sel;
3698	+ } else if (ourIndex == -1) {
3699	+ ourIndex = ranges.length;
3700	+ setSelection(doc, normalizeSelection(ranges.concat([ourRange]), ourIndex),
3701	+ {scroll: false, origin: "*mouse"});
3702	+ } else if (ranges.length > 1 && ranges[ourIndex].empty() && type == "single" && !e.shiftKey) {
3703	+ setSelection(doc, normalizeSelection(ranges.slice(0, ourIndex).concat(ranges.slice(ourIndex + 1)), 0),
3704	+ {scroll: false, origin: "*mouse"});
3705	+ startSel = doc.sel;
3706	+ } else {
3707	+ replaceOneSelection(doc, ourIndex, ourRange, sel_mouse);
3708	+ }
3709	+
3710	+ var lastPos = start;
3711	+ function extendTo(pos) {
3712	+ if (cmp(lastPos, pos) == 0) return;
3713	+ lastPos = pos;
3714	+
3715	+ if (type == "rect") {
3716	+ var ranges = [], tabSize = cm.options.tabSize;
3717	+ var startCol = countColumn(getLine(doc, start.line).text, start.ch, tabSize);
3718	+ var posCol = countColumn(getLine(doc, pos.line).text, pos.ch, tabSize);
3719	+ var left = Math.min(startCol, posCol), right = Math.max(startCol, posCol);
3720	+ for (var line = Math.min(start.line, pos.line), end = Math.min(cm.lastLine(), Math.max(start.line, pos.line));
3721	+ line <= end; line++) {
3722	+ var text = getLine(doc, line).text, leftPos = findColumn(text, left, tabSize);
3723	+ if (left == right)
3724	+ ranges.push(new Range(Pos(line, leftPos), Pos(line, leftPos)));
3725	+ else if (text.length > leftPos)
3726	+ ranges.push(new Range(Pos(line, leftPos), Pos(line, findColumn(text, right, tabSize))));
3727	+ }
3728	+ if (!ranges.length) ranges.push(new Range(start, start));
3729	+ setSelection(doc, normalizeSelection(startSel.ranges.slice(0, ourIndex).concat(ranges), ourIndex),
3730	+ {origin: "*mouse", scroll: false});
3731	+ cm.scrollIntoView(pos);
3732	+ } else {
3733	+ var oldRange = ourRange;
3734	+ var anchor = oldRange.anchor, head = pos;
3735	+ if (type != "single") {
3736	+ if (type == "double")
3737	+ var range = cm.findWordAt(pos);
3738	+ else
3739	+ var range = new Range(Pos(pos.line, 0), clipPos(doc, Pos(pos.line + 1, 0)));
3740	+ if (cmp(range.anchor, anchor) > 0) {
3741	+ head = range.head;
3742	+ anchor = minPos(oldRange.from(), range.anchor);
3743	+ } else {
3744	+ head = range.anchor;
3745	+ anchor = maxPos(oldRange.to(), range.head);
3746	+ }
3747	+ }
3748	+ var ranges = startSel.ranges.slice(0);
3749	+ ranges[ourIndex] = new Range(clipPos(doc, anchor), head);
3750	+ setSelection(doc, normalizeSelection(ranges, ourIndex), sel_mouse);
3751	+ }
3752	+ }
3753	+
3754	+ var editorSize = display.wrapper.getBoundingClientRect();
3755	+ // Used to ensure timeout re-tries don't fire when another extend
3756	+ // happened in the meantime (clearTimeout isn't reliable -- at
3757	+ // least on Chrome, the timeouts still happen even when cleared,
3758	+ // if the clear happens after their scheduled firing time).
3759	+ var counter = 0;
3760	+
3761	+ function extend(e) {
3762	+ var curCount = ++counter;
3763	+ var cur = posFromMouse(cm, e, true, type == "rect");
3764	+ if (!cur) return;
3765	+ if (cmp(cur, lastPos) != 0) {
3766	+ cm.curOp.focus = activeElt();
3767	+ extendTo(cur);
3768	+ var visible = visibleLines(display, doc);
3769	+ if (cur.line >= visible.to \|\| cur.line < visible.from)
3770	+ setTimeout(operation(cm, function(){if (counter == curCount) extend(e);}), 150);
3771	+ } else {
3772	+ var outside = e.clientY < editorSize.top ? -20 : e.clientY > editorSize.bottom ? 20 : 0;
3773	+ if (outside) setTimeout(operation(cm, function() {
3774	+ if (counter != curCount) return;
3775	+ display.scroller.scrollTop += outside;
3776	+ extend(e);
3777	+ }), 50);
3778	+ }
3779	+ }
3780	+
3781	+ function done(e) {
3782	+ cm.state.selectingText = false;
3783	+ counter = Infinity;
3784	+ e_preventDefault(e);
3785	+ display.input.focus();
3786	+ off(document, "mousemove", move);
3787	+ off(document, "mouseup", up);
3788	+ doc.history.lastSelOrigin = null;
3789	+ }
3790	+
3791	+ var move = operation(cm, function(e) {
3792	+ if (!e_button(e)) done(e);
3793	+ else extend(e);
3794	+ });
3795	+ var up = operation(cm, done);
3796	+ cm.state.selectingText = up;
3797	+ on(document, "mousemove", move);
3798	+ on(document, "mouseup", up);
3799	+ }
3800	+
3801	+ // Determines whether an event happened in the gutter, and fires the
3802	+ // handlers for the corresponding event.
3803	+ function gutterEvent(cm, e, type, prevent) {
3804	+ try { var mX = e.clientX, mY = e.clientY; }
3805	+ catch(e) { return false; }
3806	+ if (mX >= Math.floor(cm.display.gutters.getBoundingClientRect().right)) return false;
3807	+ if (prevent) e_preventDefault(e);
3808	+
3809	+ var display = cm.display;
3810	+ var lineBox = display.lineDiv.getBoundingClientRect();
3811	+
3812	+ if (mY > lineBox.bottom \|\| !hasHandler(cm, type)) return e_defaultPrevented(e);
3813	+ mY -= lineBox.top - display.viewOffset;
3814	+
3815	+ for (var i = 0; i < cm.options.gutters.length; ++i) {
3816	+ var g = display.gutters.childNodes[i];
3817	+ if (g && g.getBoundingClientRect().right >= mX) {
3818	+ var line = lineAtHeight(cm.doc, mY);
3819	+ var gutter = cm.options.gutters[i];
3820	+ signal(cm, type, cm, line, gutter, e);
3821	+ return e_defaultPrevented(e);
3822	+ }
3823	+ }
3824	+ }
3825	+
3826	+ function clickInGutter(cm, e) {
3827	+ return gutterEvent(cm, e, "gutterClick", true);
3828	+ }
3829	+
3830	+ // Kludge to work around strange IE behavior where it'll sometimes
3831	+ // re-fire a series of drag-related events right after the drop (#1551)
3832	+ var lastDrop = 0;
3833	+
3834	+ function onDrop(e) {
3835	+ var cm = this;
3836	+ clearDragCursor(cm);
3837	+ if (signalDOMEvent(cm, e) \|\| eventInWidget(cm.display, e))
3838	+ return;
3839	+ e_preventDefault(e);
3840	+ if (ie) lastDrop = +new Date;
3841	+ var pos = posFromMouse(cm, e, true), files = e.dataTransfer.files;
3842	+ if (!pos \|\| cm.isReadOnly()) return;
3843	+ // Might be a file drop, in which case we simply extract the text
3844	+ // and insert it.
3845	+ if (files && files.length && window.FileReader && window.File) {
3846	+ var n = files.length, text = Array(n), read = 0;
3847	+ var loadFile = function(file, i) {
3848	+ if (cm.options.allowDropFileTypes &&
3849	+ indexOf(cm.options.allowDropFileTypes, file.type) == -1)
3850	+ return;
3851	+
3852	+ var reader = new FileReader;
3853	+ reader.onload = operation(cm, function() {
3854	+ var content = reader.result;
3855	+ if (/[\x00-\x08\x0e-\x1f]{2}/.test(content)) content = "";
3856	+ text[i] = content;
3857	+ if (++read == n) {
3858	+ pos = clipPos(cm.doc, pos);
3859	+ var change = {from: pos, to: pos,
3860	+ text: cm.doc.splitLines(text.join(cm.doc.lineSeparator())),
3861	+ origin: "paste"};
3862	+ makeChange(cm.doc, change);
3863	+ setSelectionReplaceHistory(cm.doc, simpleSelection(pos, changeEnd(change)));
3864	+ }
3865	+ });
3866	+ reader.readAsText(file);
3867	+ };
3868	+ for (var i = 0; i < n; ++i) loadFile(files[i], i);
3869	+ } else { // Normal drop
3870	+ // Don't do a replace if the drop happened inside of the selected text.
3871	+ if (cm.state.draggingText && cm.doc.sel.contains(pos) > -1) {
3872	+ cm.state.draggingText(e);
3873	+ // Ensure the editor is re-focused
3874	+ setTimeout(function() {cm.display.input.focus();}, 20);
3875	+ return;
3876	+ }
3877	+ try {
3878	+ var text = e.dataTransfer.getData("Text");
3879	+ if (text) {
3880	+ if (cm.state.draggingText && !(mac ? e.altKey : e.ctrlKey))
3881	+ var selected = cm.listSelections();
3882	+ setSelectionNoUndo(cm.doc, simpleSelection(pos, pos));
3883	+ if (selected) for (var i = 0; i < selected.length; ++i)
3884	+ replaceRange(cm.doc, "", selected[i].anchor, selected[i].head, "drag");
3885	+ cm.replaceSelection(text, "around", "paste");
3886	+ cm.display.input.focus();
3887	+ }
3888	+ }
3889	+ catch(e){}
3890	+ }
3891	+ }
3892	+
3893	+ function onDragStart(cm, e) {
3894	+ if (ie && (!cm.state.draggingText \|\| +new Date - lastDrop < 100)) { e_stop(e); return; }
3895	+ if (signalDOMEvent(cm, e) \|\| eventInWidget(cm.display, e)) return;
3896	+
3897	+ e.dataTransfer.setData("Text", cm.getSelection());
3898	+
3899	+ // Use dummy image instead of default browsers image.
3900	+ // Recent Safari (~6.0.2) have a tendency to segfault when this happens, so we don't do it there.
3901	+ if (e.dataTransfer.setDragImage && !safari) {
3902	+ var img = elt("img", null, null, "position: fixed; left: 0; top: 0;");
3903	+ img.src = "data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==";
3904	+ if (presto) {
3905	+ img.width = img.height = 1;
3906	+ cm.display.wrapper.appendChild(img);
3907	+ // Force a relayout, or Opera won't use our image for some obscure reason
3908	+ img._top = img.offsetTop;
3909	+ }
3910	+ e.dataTransfer.setDragImage(img, 0, 0);
3911	+ if (presto) img.parentNode.removeChild(img);
3912	+ }
3913	+ }
3914	+
3915	+ function onDragOver(cm, e) {
3916	+ var pos = posFromMouse(cm, e);
3917	+ if (!pos) return;
3918	+ var frag = document.createDocumentFragment();
3919	+ drawSelectionCursor(cm, pos, frag);
3920	+ if (!cm.display.dragCursor) {
3921	+ cm.display.dragCursor = elt("div", null, "CodeMirror-cursors CodeMirror-dragcursors");
3922	+ cm.display.lineSpace.insertBefore(cm.display.dragCursor, cm.display.cursorDiv);
3923	+ }
3924	+ removeChildrenAndAdd(cm.display.dragCursor, frag);
3925	+ }
3926	+
3927	+ function clearDragCursor(cm) {
3928	+ if (cm.display.dragCursor) {
3929	+ cm.display.lineSpace.removeChild(cm.display.dragCursor);
3930	+ cm.display.dragCursor = null;
3931	+ }
3932	+ }
3933	+
3934	+ // SCROLL EVENTS
3935	+
3936	+ // Sync the scrollable area and scrollbars, ensure the viewport
3937	+ // covers the visible area.
3938	+ function setScrollTop(cm, val) {
3939	+ if (Math.abs(cm.doc.scrollTop - val) < 2) return;
3940	+ cm.doc.scrollTop = val;
3941	+ if (!gecko) updateDisplaySimple(cm, {top: val});
3942	+ if (cm.display.scroller.scrollTop != val) cm.display.scroller.scrollTop = val;
3943	+ cm.display.scrollbars.setScrollTop(val);
3944	+ if (gecko) updateDisplaySimple(cm);
3945	+ startWorker(cm, 100);
3946	+ }
3947	+ // Sync scroller and scrollbar, ensure the gutter elements are
3948	+ // aligned.
3949	+ function setScrollLeft(cm, val, isScroller) {
3950	+ if (isScroller ? val == cm.doc.scrollLeft : Math.abs(cm.doc.scrollLeft - val) < 2) return;
3951	+ val = Math.min(val, cm.display.scroller.scrollWidth - cm.display.scroller.clientWidth);
3952	+ cm.doc.scrollLeft = val;
3953	+ alignHorizontally(cm);
3954	+ if (cm.display.scroller.scrollLeft != val) cm.display.scroller.scrollLeft = val;
3955	+ cm.display.scrollbars.setScrollLeft(val);
3956	+ }
3957	+
3958	+ // Since the delta values reported on mouse wheel events are
3959	+ // unstandardized between browsers and even browser versions, and
3960	+ // generally horribly unpredictable, this code starts by measuring
3961	+ // the scroll effect that the first few mouse wheel events have,
3962	+ // and, from that, detects the way it can convert deltas to pixel
3963	+ // offsets afterwards.
3964	+ //
3965	+ // The reason we want to know the amount a wheel event will scroll
3966	+ // is that it gives us a chance to update the display before the
3967	+ // actual scrolling happens, reducing flickering.
3968	+
3969	+ var wheelSamples = 0, wheelPixelsPerUnit = null;
3970	+ // Fill in a browser-detected starting value on browsers where we
3971	+ // know one. These don't have to be accurate -- the result of them
3972	+ // being wrong would just be a slight flicker on the first wheel
3973	+ // scroll (if it is large enough).
3974	+ if (ie) wheelPixelsPerUnit = -.53;
3975	+ else if (gecko) wheelPixelsPerUnit = 15;
3976	+ else if (chrome) wheelPixelsPerUnit = -.7;
3977	+ else if (safari) wheelPixelsPerUnit = -1/3;
3978	+
3979	+ var wheelEventDelta = function(e) {
3980	+ var dx = e.wheelDeltaX, dy = e.wheelDeltaY;
3981	+ if (dx == null && e.detail && e.axis == e.HORIZONTAL_AXIS) dx = e.detail;
3982	+ if (dy == null && e.detail && e.axis == e.VERTICAL_AXIS) dy = e.detail;
3983	+ else if (dy == null) dy = e.wheelDelta;
3984	+ return {x: dx, y: dy};
3985	+ };
3986	+ CodeMirror.wheelEventPixels = function(e) {
3987	+ var delta = wheelEventDelta(e);
3988	+ delta.x *= wheelPixelsPerUnit;
3989	+ delta.y *= wheelPixelsPerUnit;
3990	+ return delta;
3991	+ };
3992	+
3993	+ function onScrollWheel(cm, e) {
3994	+ var delta = wheelEventDelta(e), dx = delta.x, dy = delta.y;
3995	+
3996	+ var display = cm.display, scroll = display.scroller;
3997	+ // Quit if there's nothing to scroll here
3998	+ var canScrollX = scroll.scrollWidth > scroll.clientWidth;
3999	+ var canScrollY = scroll.scrollHeight > scroll.clientHeight;
4000	+ if (!(dx && canScrollX \|\| dy && canScrollY)) return;
4001	+
4002	+ // Webkit browsers on OS X abort momentum scrolls when the target
4003	+ // of the scroll event is removed from the scrollable element.
4004	+ // This hack (see related code in patchDisplay) makes sure the
4005	+ // element is kept around.
4006	+ if (dy && mac && webkit) {
4007	+ outer: for (var cur = e.target, view = display.view; cur != scroll; cur = cur.parentNode) {
4008	+ for (var i = 0; i < view.length; i++) {
4009	+ if (view[i].node == cur) {
4010	+ cm.display.currentWheelTarget = cur;
4011	+ break outer;
4012	+ }
4013	+ }
4014	+ }
4015	+ }
4016	+
4017	+ // On some browsers, horizontal scrolling will cause redraws to
4018	+ // happen before the gutter has been realigned, causing it to
4019	+ // wriggle around in a most unseemly way. When we have an
4020	+ // estimated pixels/delta value, we just handle horizontal
4021	+ // scrolling entirely here. It'll be slightly off from native, but
4022	+ // better than glitching out.
4023	+ if (dx && !gecko && !presto && wheelPixelsPerUnit != null) {
4024	+ if (dy && canScrollY)
4025	+ setScrollTop(cm, Math.max(0, Math.min(scroll.scrollTop + dy * wheelPixelsPerUnit, scroll.scrollHeight - scroll.clientHeight)));
4026	+ setScrollLeft(cm, Math.max(0, Math.min(scroll.scrollLeft + dx * wheelPixelsPerUnit, scroll.scrollWidth - scroll.clientWidth)));
4027	+ // Only prevent default scrolling if vertical scrolling is
4028	+ // actually possible. Otherwise, it causes vertical scroll
4029	+ // jitter on OSX trackpads when deltaX is small and deltaY
4030	+ // is large (issue #3579)
4031	+ if (!dy \|\| (dy && canScrollY))
4032	+ e_preventDefault(e);
4033	+ display.wheelStartX = null; // Abort measurement, if in progress
4034	+ return;
4035	+ }
4036	+
4037	+ // 'Project' the visible viewport to cover the area that is being
4038	+ // scrolled into view (if we know enough to estimate it).
4039	+ if (dy && wheelPixelsPerUnit != null) {
4040	+ var pixels = dy * wheelPixelsPerUnit;
4041	+ var top = cm.doc.scrollTop, bot = top + display.wrapper.clientHeight;
4042	+ if (pixels < 0) top = Math.max(0, top + pixels - 50);
4043	+ else bot = Math.min(cm.doc.height, bot + pixels + 50);
4044	+ updateDisplaySimple(cm, {top: top, bottom: bot});
4045	+ }
4046	+
4047	+ if (wheelSamples < 20) {
4048	+ if (display.wheelStartX == null) {
4049	+ display.wheelStartX = scroll.scrollLeft; display.wheelStartY = scroll.scrollTop;
4050	+ display.wheelDX = dx; display.wheelDY = dy;
4051	+ setTimeout(function() {
4052	+ if (display.wheelStartX == null) return;
4053	+ var movedX = scroll.scrollLeft - display.wheelStartX;
4054	+ var movedY = scroll.scrollTop - display.wheelStartY;
4055	+ var sample = (movedY && display.wheelDY && movedY / display.wheelDY) \|\|
4056	+ (movedX && display.wheelDX && movedX / display.wheelDX);
4057	+ display.wheelStartX = display.wheelStartY = null;
4058	+ if (!sample) return;
4059	+ wheelPixelsPerUnit = (wheelPixelsPerUnit * wheelSamples + sample) / (wheelSamples + 1);
4060	+ ++wheelSamples;
4061	+ }, 200);
4062	+ } else {
4063	+ display.wheelDX += dx; display.wheelDY += dy;
4064	+ }
4065	+ }
4066	+ }
4067	+
4068	+ // KEY EVENTS
4069	+
4070	+ // Run a handler that was bound to a key.
4071	+ function doHandleBinding(cm, bound, dropShift) {
4072	+ if (typeof bound == "string") {
4073	+ bound = commands[bound];
4074	+ if (!bound) return false;
4075	+ }
4076	+ // Ensure previous input has been read, so that the handler sees a
4077	+ // consistent view of the document
4078	+ cm.display.input.ensurePolled();
4079	+ var prevShift = cm.display.shift, done = false;
4080	+ try {
4081	+ if (cm.isReadOnly()) cm.state.suppressEdits = true;
4082	+ if (dropShift) cm.display.shift = false;
4083	+ done = bound(cm) != Pass;
4084	+ } finally {
4085	+ cm.display.shift = prevShift;
4086	+ cm.state.suppressEdits = false;
4087	+ }
4088	+ return done;
4089	+ }
4090	+
4091	+ function lookupKeyForEditor(cm, name, handle) {
4092	+ for (var i = 0; i < cm.state.keyMaps.length; i++) {
4093	+ var result = lookupKey(name, cm.state.keyMaps[i], handle, cm);
4094	+ if (result) return result;
4095	+ }
4096	+ return (cm.options.extraKeys && lookupKey(name, cm.options.extraKeys, handle, cm))
4097	+ \|\| lookupKey(name, cm.options.keyMap, handle, cm);
4098	+ }
4099	+
4100	+ var stopSeq = new Delayed;
4101	+ function dispatchKey(cm, name, e, handle) {
4102	+ var seq = cm.state.keySeq;
4103	+ if (seq) {
4104	+ if (isModifierKey(name)) return "handled";
4105	+ stopSeq.set(50, function() {
4106	+ if (cm.state.keySeq == seq) {
4107	+ cm.state.keySeq = null;
4108	+ cm.display.input.reset();
4109	+ }
4110	+ });
4111	+ name = seq + " " + name;
4112	+ }
4113	+ var result = lookupKeyForEditor(cm, name, handle);
4114	+
4115	+ if (result == "multi")
4116	+ cm.state.keySeq = name;
4117	+ if (result == "handled")
4118	+ signalLater(cm, "keyHandled", cm, name, e);
4119	+
4120	+ if (result == "handled" \|\| result == "multi") {
4121	+ e_preventDefault(e);
4122	+ restartBlink(cm);
4123	+ }
4124	+
4125	+ if (seq && !result && /\'$/.test(name)) {
4126	+ e_preventDefault(e);
4127	+ return true;
4128	+ }
4129	+ return !!result;
4130	+ }
4131	+
4132	+ // Handle a key from the keydown event.
4133	+ function handleKeyBinding(cm, e) {
4134	+ var name = keyName(e, true);
4135	+ if (!name) return false;
4136	+
4137	+ if (e.shiftKey && !cm.state.keySeq) {
4138	+ // First try to resolve full name (including 'Shift-'). Failing
4139	+ // that, see if there is a cursor-motion command (starting with
4140	+ // 'go') bound to the keyname without 'Shift-'.
4141	+ return dispatchKey(cm, "Shift-" + name, e, function(b) {return doHandleBinding(cm, b, true);})
4142	+ \|\| dispatchKey(cm, name, e, function(b) {
4143	+ if (typeof b == "string" ? /^go[A-Z]/.test(b) : b.motion)
4144	+ return doHandleBinding(cm, b);
4145	+ });
4146	+ } else {
4147	+ return dispatchKey(cm, name, e, function(b) { return doHandleBinding(cm, b); });
4148	+ }
4149	+ }
4150	+
4151	+ // Handle a key from the keypress event
4152	+ function handleCharBinding(cm, e, ch) {
4153	+ return dispatchKey(cm, "'" + ch + "'", e,
4154	+ function(b) { return doHandleBinding(cm, b, true); });
4155	+ }
4156	+
4157	+ var lastStoppedKey = null;
4158	+ function onKeyDown(e) {
4159	+ var cm = this;
4160	+ cm.curOp.focus = activeElt();
4161	+ if (signalDOMEvent(cm, e)) return;
4162	+ // IE does strange things with escape.
4163	+ if (ie && ie_version < 11 && e.keyCode == 27) e.returnValue = false;
4164	+ var code = e.keyCode;
4165	+ cm.display.shift = code == 16 \|\| e.shiftKey;
4166	+ var handled = handleKeyBinding(cm, e);
4167	+ if (presto) {
4168	+ lastStoppedKey = handled ? code : null;
4169	+ // Opera has no cut event... we try to at least catch the key combo
4170	+ if (!handled && code == 88 && !hasCopyEvent && (mac ? e.metaKey : e.ctrlKey))
4171	+ cm.replaceSelection("", null, "cut");
4172	+ }
4173	+
4174	+ // Turn mouse into crosshair when Alt is held on Mac.
4175	+ if (code == 18 && !/\bCodeMirror-crosshair\b/.test(cm.display.lineDiv.className))
4176	+ showCrossHair(cm);
4177	+ }
4178	+
4179	+ function showCrossHair(cm) {
4180	+ var lineDiv = cm.display.lineDiv;
4181	+ addClass(lineDiv, "CodeMirror-crosshair");
4182	+
4183	+ function up(e) {
4184	+ if (e.keyCode == 18 \|\| !e.altKey) {
4185	+ rmClass(lineDiv, "CodeMirror-crosshair");
4186	+ off(document, "keyup", up);
4187	+ off(document, "mouseover", up);
4188	+ }
4189	+ }
4190	+ on(document, "keyup", up);
4191	+ on(document, "mouseover", up);
4192	+ }
4193	+
4194	+ function onKeyUp(e) {
4195	+ if (e.keyCode == 16) this.doc.sel.shift = false;
4196	+ signalDOMEvent(this, e);
4197	+ }
4198	+
4199	+ function onKeyPress(e) {
4200	+ var cm = this;
4201	+ if (eventInWidget(cm.display, e) \|\| signalDOMEvent(cm, e) \|\| e.ctrlKey && !e.altKey \|\| mac && e.metaKey) return;
4202	+ var keyCode = e.keyCode, charCode = e.charCode;
4203	+ if (presto && keyCode == lastStoppedKey) {lastStoppedKey = null; e_preventDefault(e); return;}
4204	+ if ((presto && (!e.which \|\| e.which < 10)) && handleKeyBinding(cm, e)) return;
4205	+ var ch = String.fromCharCode(charCode == null ? keyCode : charCode);
4206	+ if (handleCharBinding(cm, e, ch)) return;
4207	+ cm.display.input.onKeyPress(e);
4208	+ }
4209	+
4210	+ // FOCUS/BLUR EVENTS
4211	+
4212	+ function delayBlurEvent(cm) {
4213	+ cm.state.delayingBlurEvent = true;
4214	+ setTimeout(function() {
4215	+ if (cm.state.delayingBlurEvent) {
4216	+ cm.state.delayingBlurEvent = false;
4217	+ onBlur(cm);
4218	+ }
4219	+ }, 100);
4220	+ }
4221	+
4222	+ function onFocus(cm) {
4223	+ if (cm.state.delayingBlurEvent) cm.state.delayingBlurEvent = false;
4224	+
4225	+ if (cm.options.readOnly == "nocursor") return;
4226	+ if (!cm.state.focused) {
4227	+ signal(cm, "focus", cm);
4228	+ cm.state.focused = true;
4229	+ addClass(cm.display.wrapper, "CodeMirror-focused");
4230	+ // This test prevents this from firing when a context
4231	+ // menu is closed (since the input reset would kill the
4232	+ // select-all detection hack)
4233	+ if (!cm.curOp && cm.display.selForContextMenu != cm.doc.sel) {
4234	+ cm.display.input.reset();
4235	+ if (webkit) setTimeout(function() { cm.display.input.reset(true); }, 20); // Issue #1730
4236	+ }
4237	+ cm.display.input.receivedFocus();
4238	+ }
4239	+ restartBlink(cm);
4240	+ }
4241	+ function onBlur(cm) {
4242	+ if (cm.state.delayingBlurEvent) return;
4243	+
4244	+ if (cm.state.focused) {
4245	+ signal(cm, "blur", cm);
4246	+ cm.state.focused = false;
4247	+ rmClass(cm.display.wrapper, "CodeMirror-focused");
4248	+ }
4249	+ clearInterval(cm.display.blinker);
4250	+ setTimeout(function() {if (!cm.state.focused) cm.display.shift = false;}, 150);
4251	+ }
4252	+
4253	+ // CONTEXT MENU HANDLING
4254	+
4255	+ // To make the context menu work, we need to briefly unhide the
4256	+ // textarea (making it as unobtrusive as possible) to let the
4257	+ // right-click take effect on it.
4258	+ function onContextMenu(cm, e) {
4259	+ if (eventInWidget(cm.display, e) \|\| contextMenuInGutter(cm, e)) return;
4260	+ if (signalDOMEvent(cm, e, "contextmenu")) return;
4261	+ cm.display.input.onContextMenu(e);
4262	+ }
4263	+
4264	+ function contextMenuInGutter(cm, e) {
4265	+ if (!hasHandler(cm, "gutterContextMenu")) return false;
4266	+ return gutterEvent(cm, e, "gutterContextMenu", false);
4267	+ }
4268	+
4269	+ // UPDATING
4270	+
4271	+ // Compute the position of the end of a change (its 'to' property
4272	+ // refers to the pre-change end).
4273	+ var changeEnd = CodeMirror.changeEnd = function(change) {
4274	+ if (!change.text) return change.to;
4275	+ return Pos(change.from.line + change.text.length - 1,
4276	+ lst(change.text).length + (change.text.length == 1 ? change.from.ch : 0));
4277	+ };
4278	+
4279	+ // Adjust a position to refer to the post-change position of the
4280	+ // same text, or the end of the change if the change covers it.
4281	+ function adjustForChange(pos, change) {
4282	+ if (cmp(pos, change.from) < 0) return pos;
4283	+ if (cmp(pos, change.to) <= 0) return changeEnd(change);
4284	+
4285	+ var line = pos.line + change.text.length - (change.to.line - change.from.line) - 1, ch = pos.ch;
4286	+ if (pos.line == change.to.line) ch += changeEnd(change).ch - change.to.ch;
4287	+ return Pos(line, ch);
4288	+ }
4289	+
4290	+ function computeSelAfterChange(doc, change) {
4291	+ var out = [];
4292	+ for (var i = 0; i < doc.sel.ranges.length; i++) {
4293	+ var range = doc.sel.ranges[i];
4294	+ out.push(new Range(adjustForChange(range.anchor, change),
4295	+ adjustForChange(range.head, change)));
4296	+ }
4297	+ return normalizeSelection(out, doc.sel.primIndex);
4298	+ }
4299	+
4300	+ function offsetPos(pos, old, nw) {
4301	+ if (pos.line == old.line)
4302	+ return Pos(nw.line, pos.ch - old.ch + nw.ch);
4303	+ else
4304	+ return Pos(nw.line + (pos.line - old.line), pos.ch);
4305	+ }
4306	+
4307	+ // Used by replaceSelections to allow moving the selection to the
4308	+ // start or around the replaced test. Hint may be "start" or "around".
4309	+ function computeReplacedSel(doc, changes, hint) {
4310	+ var out = [];
4311	+ var oldPrev = Pos(doc.first, 0), newPrev = oldPrev;
4312	+ for (var i = 0; i < changes.length; i++) {
4313	+ var change = changes[i];
4314	+ var from = offsetPos(change.from, oldPrev, newPrev);
4315	+ var to = offsetPos(changeEnd(change), oldPrev, newPrev);
4316	+ oldPrev = change.to;
4317	+ newPrev = to;
4318	+ if (hint == "around") {
4319	+ var range = doc.sel.ranges[i], inv = cmp(range.head, range.anchor) < 0;
4320	+ out[i] = new Range(inv ? to : from, inv ? from : to);
4321	+ } else {
4322	+ out[i] = new Range(from, from);
4323	+ }
4324	+ }
4325	+ return new Selection(out, doc.sel.primIndex);
4326	+ }
4327	+
4328	+ // Allow "beforeChange" event handlers to influence a change
4329	+ function filterChange(doc, change, update) {
4330	+ var obj = {
4331	+ canceled: false,
4332	+ from: change.from,
4333	+ to: change.to,
4334	+ text: change.text,
4335	+ origin: change.origin,
4336	+ cancel: function() { this.canceled = true; }
4337	+ };
4338	+ if (update) obj.update = function(from, to, text, origin) {
4339	+ if (from) this.from = clipPos(doc, from);
4340	+ if (to) this.to = clipPos(doc, to);
4341	+ if (text) this.text = text;
4342	+ if (origin !== undefined) this.origin = origin;
4343	+ };
4344	+ signal(doc, "beforeChange", doc, obj);
4345	+ if (doc.cm) signal(doc.cm, "beforeChange", doc.cm, obj);
4346	+
4347	+ if (obj.canceled) return null;
4348	+ return {from: obj.from, to: obj.to, text: obj.text, origin: obj.origin};
4349	+ }
4350	+
4351	+ // Apply a change to a document, and add it to the document's
4352	+ // history, and propagating it to all linked documents.
4353	+ function makeChange(doc, change, ignoreReadOnly) {
4354	+ if (doc.cm) {
4355	+ if (!doc.cm.curOp) return operation(doc.cm, makeChange)(doc, change, ignoreReadOnly);
4356	+ if (doc.cm.state.suppressEdits) return;
4357	+ }
4358	+
4359	+ if (hasHandler(doc, "beforeChange") \|\| doc.cm && hasHandler(doc.cm, "beforeChange")) {
4360	+ change = filterChange(doc, change, true);
4361	+ if (!change) return;
4362	+ }
4363	+
4364	+ // Possibly split or suppress the update based on the presence
4365	+ // of read-only spans in its range.
4366	+ var split = sawReadOnlySpans && !ignoreReadOnly && removeReadOnlyRanges(doc, change.from, change.to);
4367	+ if (split) {
4368	+ for (var i = split.length - 1; i >= 0; --i)
4369	+ makeChangeInner(doc, {from: split[i].from, to: split[i].to, text: i ? [""] : change.text});
4370	+ } else {
4371	+ makeChangeInner(doc, change);
4372	+ }
4373	+ }
4374	+
4375	+ function makeChangeInner(doc, change) {
4376	+ if (change.text.length == 1 && change.text[0] == "" && cmp(change.from, change.to) == 0) return;
4377	+ var selAfter = computeSelAfterChange(doc, change);
4378	+ addChangeToHistory(doc, change, selAfter, doc.cm ? doc.cm.curOp.id : NaN);
4379	+
4380	+ makeChangeSingleDoc(doc, change, selAfter, stretchSpansOverChange(doc, change));
4381	+ var rebased = [];
4382	+
4383	+ linkedDocs(doc, function(doc, sharedHist) {
4384	+ if (!sharedHist && indexOf(rebased, doc.history) == -1) {
4385	+ rebaseHist(doc.history, change);
4386	+ rebased.push(doc.history);
4387	+ }
4388	+ makeChangeSingleDoc(doc, change, null, stretchSpansOverChange(doc, change));
4389	+ });
4390	+ }
4391	+
4392	+ // Revert a change stored in a document's history.
4393	+ function makeChangeFromHistory(doc, type, allowSelectionOnly) {
4394	+ if (doc.cm && doc.cm.state.suppressEdits) return;
4395	+
4396	+ var hist = doc.history, event, selAfter = doc.sel;
4397	+ var source = type == "undo" ? hist.done : hist.undone, dest = type == "undo" ? hist.undone : hist.done;
4398	+
4399	+ // Verify that there is a useable event (so that ctrl-z won't
4400	+ // needlessly clear selection events)
4401	+ for (var i = 0; i < source.length; i++) {
4402	+ event = source[i];
4403	+ if (allowSelectionOnly ? event.ranges && !event.equals(doc.sel) : !event.ranges)
4404	+ break;
4405	+ }
4406	+ if (i == source.length) return;
4407	+ hist.lastOrigin = hist.lastSelOrigin = null;
4408	+
4409	+ for (;;) {
4410	+ event = source.pop();
4411	+ if (event.ranges) {
4412	+ pushSelectionToHistory(event, dest);
4413	+ if (allowSelectionOnly && !event.equals(doc.sel)) {
4414	+ setSelection(doc, event, {clearRedo: false});
4415	+ return;
4416	+ }
4417	+ selAfter = event;
4418	+ }
4419	+ else break;
4420	+ }
4421	+
4422	+ // Build up a reverse change object to add to the opposite history
4423	+ // stack (redo when undoing, and vice versa).
4424	+ var antiChanges = [];
4425	+ pushSelectionToHistory(selAfter, dest);
4426	+ dest.push({changes: antiChanges, generation: hist.generation});
4427	+ hist.generation = event.generation \|\| ++hist.maxGeneration;
4428	+
4429	+ var filter = hasHandler(doc, "beforeChange") \|\| doc.cm && hasHandler(doc.cm, "beforeChange");
4430	+
4431	+ for (var i = event.changes.length - 1; i >= 0; --i) {
4432	+ var change = event.changes[i];
4433	+ change.origin = type;
4434	+ if (filter && !filterChange(doc, change, false)) {
4435	+ source.length = 0;
4436	+ return;
4437	+ }
4438	+
4439	+ antiChanges.push(historyChangeFromChange(doc, change));
4440	+
4441	+ var after = i ? computeSelAfterChange(doc, change) : lst(source);
4442	+ makeChangeSingleDoc(doc, change, after, mergeOldSpans(doc, change));
4443	+ if (!i && doc.cm) doc.cm.scrollIntoView({from: change.from, to: changeEnd(change)});
4444	+ var rebased = [];
4445	+
4446	+ // Propagate to the linked documents
4447	+ linkedDocs(doc, function(doc, sharedHist) {
4448	+ if (!sharedHist && indexOf(rebased, doc.history) == -1) {
4449	+ rebaseHist(doc.history, change);
4450	+ rebased.push(doc.history);
4451	+ }
4452	+ makeChangeSingleDoc(doc, change, null, mergeOldSpans(doc, change));
4453	+ });
4454	+ }
4455	+ }
4456	+
4457	+ // Sub-views need their line numbers shifted when text is added
4458	+ // above or below them in the parent document.
4459	+ function shiftDoc(doc, distance) {
4460	+ if (distance == 0) return;
4461	+ doc.first += distance;
4462	+ doc.sel = new Selection(map(doc.sel.ranges, function(range) {
4463	+ return new Range(Pos(range.anchor.line + distance, range.anchor.ch),
4464	+ Pos(range.head.line + distance, range.head.ch));
4465	+ }), doc.sel.primIndex);
4466	+ if (doc.cm) {
4467	+ regChange(doc.cm, doc.first, doc.first - distance, distance);
4468	+ for (var d = doc.cm.display, l = d.viewFrom; l < d.viewTo; l++)
4469	+ regLineChange(doc.cm, l, "gutter");
4470	+ }
4471	+ }
4472	+
4473	+ // More lower-level change function, handling only a single document
4474	+ // (not linked ones).
4475	+ function makeChangeSingleDoc(doc, change, selAfter, spans) {
4476	+ if (doc.cm && !doc.cm.curOp)
4477	+ return operation(doc.cm, makeChangeSingleDoc)(doc, change, selAfter, spans);
4478	+
4479	+ if (change.to.line < doc.first) {
4480	+ shiftDoc(doc, change.text.length - 1 - (change.to.line - change.from.line));
4481	+ return;
4482	+ }
4483	+ if (change.from.line > doc.lastLine()) return;
4484	+
4485	+ // Clip the change to the size of this doc
4486	+ if (change.from.line < doc.first) {
4487	+ var shift = change.text.length - 1 - (doc.first - change.from.line);
4488	+ shiftDoc(doc, shift);
4489	+ change = {from: Pos(doc.first, 0), to: Pos(change.to.line + shift, change.to.ch),
4490	+ text: [lst(change.text)], origin: change.origin};
4491	+ }
4492	+ var last = doc.lastLine();
4493	+ if (change.to.line > last) {
4494	+ change = {from: change.from, to: Pos(last, getLine(doc, last).text.length),
4495	+ text: [change.text[0]], origin: change.origin};
4496	+ }
4497	+
4498	+ change.removed = getBetween(doc, change.from, change.to);
4499	+
4500	+ if (!selAfter) selAfter = computeSelAfterChange(doc, change);
4501	+ if (doc.cm) makeChangeSingleDocInEditor(doc.cm, change, spans);
4502	+ else updateDoc(doc, change, spans);
4503	+ setSelectionNoUndo(doc, selAfter, sel_dontScroll);
4504	+ }
4505	+
4506	+ // Handle the interaction of a change to a document with the editor
4507	+ // that this document is part of.
4508	+ function makeChangeSingleDocInEditor(cm, change, spans) {
4509	+ var doc = cm.doc, display = cm.display, from = change.from, to = change.to;
4510	+
4511	+ var recomputeMaxLength = false, checkWidthStart = from.line;
4512	+ if (!cm.options.lineWrapping) {
4513	+ checkWidthStart = lineNo(visualLine(getLine(doc, from.line)));
4514	+ doc.iter(checkWidthStart, to.line + 1, function(line) {
4515	+ if (line == display.maxLine) {
4516	+ recomputeMaxLength = true;
4517	+ return true;
4518	+ }
4519	+ });
4520	+ }
4521	+
4522	+ if (doc.sel.contains(change.from, change.to) > -1)
4523	+ signalCursorActivity(cm);
4524	+
4525	+ updateDoc(doc, change, spans, estimateHeight(cm));
4526	+
4527	+ if (!cm.options.lineWrapping) {
4528	+ doc.iter(checkWidthStart, from.line + change.text.length, function(line) {
4529	+ var len = lineLength(line);
4530	+ if (len > display.maxLineLength) {
4531	+ display.maxLine = line;
4532	+ display.maxLineLength = len;
4533	+ display.maxLineChanged = true;
4534	+ recomputeMaxLength = false;
4535	+ }
4536	+ });
4537	+ if (recomputeMaxLength) cm.curOp.updateMaxLine = true;
4538	+ }
4539	+
4540	+ // Adjust frontier, schedule worker
4541	+ doc.frontier = Math.min(doc.frontier, from.line);
4542	+ startWorker(cm, 400);
4543	+
4544	+ var lendiff = change.text.length - (to.line - from.line) - 1;
4545	+ // Remember that these lines changed, for updating the display
4546	+ if (change.full)
4547	+ regChange(cm);
4548	+ else if (from.line == to.line && change.text.length == 1 && !isWholeLineUpdate(cm.doc, change))
4549	+ regLineChange(cm, from.line, "text");
4550	+ else
4551	+ regChange(cm, from.line, to.line + 1, lendiff);
4552	+
4553	+ var changesHandler = hasHandler(cm, "changes"), changeHandler = hasHandler(cm, "change");
4554	+ if (changeHandler \|\| changesHandler) {
4555	+ var obj = {
4556	+ from: from, to: to,
4557	+ text: change.text,
4558	+ removed: change.removed,
4559	+ origin: change.origin
4560	+ };
4561	+ if (changeHandler) signalLater(cm, "change", cm, obj);
4562	+ if (changesHandler) (cm.curOp.changeObjs \|\| (cm.curOp.changeObjs = [])).push(obj);
4563	+ }
4564	+ cm.display.selForContextMenu = null;
4565	+ }
4566	+
4567	+ function replaceRange(doc, code, from, to, origin) {
4568	+ if (!to) to = from;
4569	+ if (cmp(to, from) < 0) { var tmp = to; to = from; from = tmp; }
4570	+ if (typeof code == "string") code = doc.splitLines(code);
4571	+ makeChange(doc, {from: from, to: to, text: code, origin: origin});
4572	+ }
4573	+
4574	+ // SCROLLING THINGS INTO VIEW
4575	+
4576	+ // If an editor sits on the top or bottom of the window, partially
4577	+ // scrolled out of view, this ensures that the cursor is visible.
4578	+ function maybeScrollWindow(cm, coords) {
4579	+ if (signalDOMEvent(cm, "scrollCursorIntoView")) return;
4580	+
4581	+ var display = cm.display, box = display.sizer.getBoundingClientRect(), doScroll = null;
4582	+ if (coords.top + box.top < 0) doScroll = true;
4583	+ else if (coords.bottom + box.top > (window.innerHeight \|\| document.documentElement.clientHeight)) doScroll = false;
4584	+ if (doScroll != null && !phantom) {
4585	+ var scrollNode = elt("div", "\u200b", null, "position: absolute; top: " +
4586	+ (coords.top - display.viewOffset - paddingTop(cm.display)) + "px; height: " +
4587	+ (coords.bottom - coords.top + scrollGap(cm) + display.barHeight) + "px; left: " +
4588	+ coords.left + "px; width: 2px;");
4589	+ cm.display.lineSpace.appendChild(scrollNode);
4590	+ scrollNode.scrollIntoView(doScroll);
4591	+ cm.display.lineSpace.removeChild(scrollNode);
4592	+ }
4593	+ }
4594	+
4595	+ // Scroll a given position into view (immediately), verifying that
4596	+ // it actually became visible (as line heights are accurately
4597	+ // measured, the position of something may 'drift' during drawing).
4598	+ function scrollPosIntoView(cm, pos, end, margin) {
4599	+ if (margin == null) margin = 0;
4600	+ for (var limit = 0; limit < 5; limit++) {
4601	+ var changed = false, coords = cursorCoords(cm, pos);
4602	+ var endCoords = !end \|\| end == pos ? coords : cursorCoords(cm, end);
4603	+ var scrollPos = calculateScrollPos(cm, Math.min(coords.left, endCoords.left),
4604	+ Math.min(coords.top, endCoords.top) - margin,
4605	+ Math.max(coords.left, endCoords.left),
4606	+ Math.max(coords.bottom, endCoords.bottom) + margin);
4607	+ var startTop = cm.doc.scrollTop, startLeft = cm.doc.scrollLeft;
4608	+ if (scrollPos.scrollTop != null) {
4609	+ setScrollTop(cm, scrollPos.scrollTop);
4610	+ if (Math.abs(cm.doc.scrollTop - startTop) > 1) changed = true;
4611	+ }
4612	+ if (scrollPos.scrollLeft != null) {
4613	+ setScrollLeft(cm, scrollPos.scrollLeft);
4614	+ if (Math.abs(cm.doc.scrollLeft - startLeft) > 1) changed = true;
4615	+ }
4616	+ if (!changed) break;
4617	+ }
4618	+ return coords;
4619	+ }
4620	+
4621	+ // Scroll a given set of coordinates into view (immediately).
4622	+ function scrollIntoView(cm, x1, y1, x2, y2) {
4623	+ var scrollPos = calculateScrollPos(cm, x1, y1, x2, y2);
4624	+ if (scrollPos.scrollTop != null) setScrollTop(cm, scrollPos.scrollTop);
4625	+ if (scrollPos.scrollLeft != null) setScrollLeft(cm, scrollPos.scrollLeft);
4626	+ }
4627	+
4628	+ // Calculate a new scroll position needed to scroll the given
4629	+ // rectangle into view. Returns an object with scrollTop and
4630	+ // scrollLeft properties. When these are undefined, the
4631	+ // vertical/horizontal position does not need to be adjusted.
4632	+ function calculateScrollPos(cm, x1, y1, x2, y2) {
4633	+ var display = cm.display, snapMargin = textHeight(cm.display);
4634	+ if (y1 < 0) y1 = 0;
4635	+ var screentop = cm.curOp && cm.curOp.scrollTop != null ? cm.curOp.scrollTop : display.scroller.scrollTop;
4636	+ var screen = displayHeight(cm), result = {};
4637	+ if (y2 - y1 > screen) y2 = y1 + screen;
4638	+ var docBottom = cm.doc.height + paddingVert(display);
4639	+ var atTop = y1 < snapMargin, atBottom = y2 > docBottom - snapMargin;
4640	+ if (y1 < screentop) {
4641	+ result.scrollTop = atTop ? 0 : y1;
4642	+ } else if (y2 > screentop + screen) {
4643	+ var newTop = Math.min(y1, (atBottom ? docBottom : y2) - screen);
4644	+ if (newTop != screentop) result.scrollTop = newTop;
4645	+ }
4646	+
4647	+ var screenleft = cm.curOp && cm.curOp.scrollLeft != null ? cm.curOp.scrollLeft : display.scroller.scrollLeft;
4648	+ var screenw = displayWidth(cm) - (cm.options.fixedGutter ? display.gutters.offsetWidth : 0);
4649	+ var tooWide = x2 - x1 > screenw;
4650	+ if (tooWide) x2 = x1 + screenw;
4651	+ if (x1 < 10)
4652	+ result.scrollLeft = 0;
4653	+ else if (x1 < screenleft)
4654	+ result.scrollLeft = Math.max(0, x1 - (tooWide ? 0 : 10));
4655	+ else if (x2 > screenw + screenleft - 3)
4656	+ result.scrollLeft = x2 + (tooWide ? 0 : 10) - screenw;
4657	+ return result;
4658	+ }
4659	+
4660	+ // Store a relative adjustment to the scroll position in the current
4661	+ // operation (to be applied when the operation finishes).
4662	+ function addToScrollPos(cm, left, top) {
4663	+ if (left != null \|\| top != null) resolveScrollToPos(cm);
4664	+ if (left != null)
4665	+ cm.curOp.scrollLeft = (cm.curOp.scrollLeft == null ? cm.doc.scrollLeft : cm.curOp.scrollLeft) + left;
4666	+ if (top != null)
4667	+ cm.curOp.scrollTop = (cm.curOp.scrollTop == null ? cm.doc.scrollTop : cm.curOp.scrollTop) + top;
4668	+ }
4669	+
4670	+ // Make sure that at the end of the operation the current cursor is
4671	+ // shown.
4672	+ function ensureCursorVisible(cm) {
4673	+ resolveScrollToPos(cm);
4674	+ var cur = cm.getCursor(), from = cur, to = cur;
4675	+ if (!cm.options.lineWrapping) {
4676	+ from = cur.ch ? Pos(cur.line, cur.ch - 1) : cur;
4677	+ to = Pos(cur.line, cur.ch + 1);
4678	+ }
4679	+ cm.curOp.scrollToPos = {from: from, to: to, margin: cm.options.cursorScrollMargin, isCursor: true};
4680	+ }
4681	+
4682	+ // When an operation has its scrollToPos property set, and another
4683	+ // scroll action is applied before the end of the operation, this
4684	+ // 'simulates' scrolling that position into view in a cheap way, so
4685	+ // that the effect of intermediate scroll commands is not ignored.
4686	+ function resolveScrollToPos(cm) {
4687	+ var range = cm.curOp.scrollToPos;
4688	+ if (range) {
4689	+ cm.curOp.scrollToPos = null;
4690	+ var from = estimateCoords(cm, range.from), to = estimateCoords(cm, range.to);
4691	+ var sPos = calculateScrollPos(cm, Math.min(from.left, to.left),
4692	+ Math.min(from.top, to.top) - range.margin,
4693	+ Math.max(from.right, to.right),
4694	+ Math.max(from.bottom, to.bottom) + range.margin);
4695	+ cm.scrollTo(sPos.scrollLeft, sPos.scrollTop);
4696	+ }
4697	+ }
4698	+
4699	+ // API UTILITIES
4700	+
4701	+ // Indent the given line. The how parameter can be "smart",
4702	+ // "add"/null, "subtract", or "prev". When aggressive is false
4703	+ // (typically set to true for forced single-line indents), empty
4704	+ // lines are not indented, and places where the mode returns Pass
4705	+ // are left alone.
4706	+ function indentLine(cm, n, how, aggressive) {
4707	+ var doc = cm.doc, state;
4708	+ if (how == null) how = "add";
4709	+ if (how == "smart") {
4710	+ // Fall back to "prev" when the mode doesn't have an indentation
4711	+ // method.
4712	+ if (!doc.mode.indent) how = "prev";
4713	+ else state = getStateBefore(cm, n);
4714	+ }
4715	+
4716	+ var tabSize = cm.options.tabSize;
4717	+ var line = getLine(doc, n), curSpace = countColumn(line.text, null, tabSize);
4718	+ if (line.stateAfter) line.stateAfter = null;
4719	+ var curSpaceString = line.text.match(/^\s*/)[0], indentation;
4720	+ if (!aggressive && !/\S/.test(line.text)) {
4721	+ indentation = 0;
4722	+ how = "not";
4723	+ } else if (how == "smart") {
4724	+ indentation = doc.mode.indent(state, line.text.slice(curSpaceString.length), line.text);
4725	+ if (indentation == Pass \|\| indentation > 150) {
4726	+ if (!aggressive) return;
4727	+ how = "prev";
4728	+ }
4729	+ }
4730	+ if (how == "prev") {
4731	+ if (n > doc.first) indentation = countColumn(getLine(doc, n-1).text, null, tabSize);
4732	+ else indentation = 0;
4733	+ } else if (how == "add") {
4734	+ indentation = curSpace + cm.options.indentUnit;
4735	+ } else if (how == "subtract") {
4736	+ indentation = curSpace - cm.options.indentUnit;
4737	+ } else if (typeof how == "number") {
4738	+ indentation = curSpace + how;
4739	+ }
4740	+ indentation = Math.max(0, indentation);
4741	+
4742	+ var indentString = "", pos = 0;
4743	+ if (cm.options.indentWithTabs)
4744	+ for (var i = Math.floor(indentation / tabSize); i; --i) {pos += tabSize; indentString += "\t";}
4745	+ if (pos < indentation) indentString += spaceStr(indentation - pos);
4746	+
4747	+ if (indentString != curSpaceString) {
4748	+ replaceRange(doc, indentString, Pos(n, 0), Pos(n, curSpaceString.length), "+input");
4749	+ line.stateAfter = null;
4750	+ return true;
4751	+ } else {
4752	+ // Ensure that, if the cursor was in the whitespace at the start
4753	+ // of the line, it is moved to the end of that space.
4754	+ for (var i = 0; i < doc.sel.ranges.length; i++) {
4755	+ var range = doc.sel.ranges[i];
4756	+ if (range.head.line == n && range.head.ch < curSpaceString.length) {
4757	+ var pos = Pos(n, curSpaceString.length);
4758	+ replaceOneSelection(doc, i, new Range(pos, pos));
4759	+ break;
4760	+ }
4761	+ }
4762	+ }
4763	+ }
4764	+
4765	+ // Utility for applying a change to a line by handle or number,
4766	+ // returning the number and optionally registering the line as
4767	+ // changed.
4768	+ function changeLine(doc, handle, changeType, op) {
4769	+ var no = handle, line = handle;
4770	+ if (typeof handle == "number") line = getLine(doc, clipLine(doc, handle));
4771	+ else no = lineNo(handle);
4772	+ if (no == null) return null;
4773	+ if (op(line, no) && doc.cm) regLineChange(doc.cm, no, changeType);
4774	+ return line;
4775	+ }
4776	+
4777	+ // Helper for deleting text near the selection(s), used to implement
4778	+ // backspace, delete, and similar functionality.
4779	+ function deleteNearSelection(cm, compute) {
4780	+ var ranges = cm.doc.sel.ranges, kill = [];
4781	+ // Build up a set of ranges to kill first, merging overlapping
4782	+ // ranges.
4783	+ for (var i = 0; i < ranges.length; i++) {
4784	+ var toKill = compute(ranges[i]);
4785	+ while (kill.length && cmp(toKill.from, lst(kill).to) <= 0) {
4786	+ var replaced = kill.pop();
4787	+ if (cmp(replaced.from, toKill.from) < 0) {
4788	+ toKill.from = replaced.from;
4789	+ break;
4790	+ }
4791	+ }
4792	+ kill.push(toKill);
4793	+ }
4794	+ // Next, remove those actual ranges.
4795	+ runInOp(cm, function() {
4796	+ for (var i = kill.length - 1; i >= 0; i--)
4797	+ replaceRange(cm.doc, "", kill[i].from, kill[i].to, "+delete");
4798	+ ensureCursorVisible(cm);
4799	+ });
4800	+ }
4801	+
4802	+ // Used for horizontal relative motion. Dir is -1 or 1 (left or
4803	+ // right), unit can be "char", "column" (like char, but doesn't
4804	+ // cross line boundaries), "word" (across next word), or "group" (to
4805	+ // the start of next group of word or non-word-non-whitespace
4806	+ // chars). The visually param controls whether, in right-to-left
4807	+ // text, direction 1 means to move towards the next index in the
4808	+ // string, or towards the character to the right of the current
4809	+ // position. The resulting position will have a hitSide=true
4810	+ // property if it reached the end of the document.
4811	+ function findPosH(doc, pos, dir, unit, visually) {
4812	+ var line = pos.line, ch = pos.ch, origDir = dir;
4813	+ var lineObj = getLine(doc, line);
4814	+ var possible = true;
4815	+ function findNextLine() {
4816	+ var l = line + dir;
4817	+ if (l < doc.first \|\| l >= doc.first + doc.size) return (possible = false);
4818	+ line = l;
4819	+ return lineObj = getLine(doc, l);
4820	+ }
4821	+ function moveOnce(boundToLine) {
4822	+ var next = (visually ? moveVisually : moveLogically)(lineObj, ch, dir, true);
4823	+ if (next == null) {
4824	+ if (!boundToLine && findNextLine()) {
4825	+ if (visually) ch = (dir < 0 ? lineRight : lineLeft)(lineObj);
4826	+ else ch = dir < 0 ? lineObj.text.length : 0;
4827	+ } else return (possible = false);
4828	+ } else ch = next;
4829	+ return true;
4830	+ }
4831	+
4832	+ if (unit == "char") moveOnce();
4833	+ else if (unit == "column") moveOnce(true);
4834	+ else if (unit == "word" \|\| unit == "group") {
4835	+ var sawType = null, group = unit == "group";
4836	+ var helper = doc.cm && doc.cm.getHelper(pos, "wordChars");
4837	+ for (var first = true;; first = false) {
4838	+ if (dir < 0 && !moveOnce(!first)) break;
4839	+ var cur = lineObj.text.charAt(ch) \|\| "\n";
4840	+ var type = isWordChar(cur, helper) ? "w"
4841	+ : group && cur == "\n" ? "n"
4842	+ : !group \|\| /\s/.test(cur) ? null
4843	+ : "p";
4844	+ if (group && !first && !type) type = "s";
4845	+ if (sawType && sawType != type) {
4846	+ if (dir < 0) {dir = 1; moveOnce();}
4847	+ break;
4848	+ }
4849	+
4850	+ if (type) sawType = type;
4851	+ if (dir > 0 && !moveOnce(!first)) break;
4852	+ }
4853	+ }
4854	+ var result = skipAtomic(doc, Pos(line, ch), pos, origDir, true);
4855	+ if (!possible) result.hitSide = true;
4856	+ return result;
4857	+ }
4858	+
4859	+ // For relative vertical movement. Dir may be -1 or 1. Unit can be
4860	+ // "page" or "line". The resulting position will have a hitSide=true
4861	+ // property if it reached the end of the document.
4862	+ function findPosV(cm, pos, dir, unit) {
4863	+ var doc = cm.doc, x = pos.left, y;
4864	+ if (unit == "page") {
4865	+ var pageSize = Math.min(cm.display.wrapper.clientHeight, window.innerHeight \|\| document.documentElement.clientHeight);
4866	+ y = pos.top + dir * (pageSize - (dir < 0 ? 1.5 : .5) * textHeight(cm.display));
4867	+ } else if (unit == "line") {
4868	+ y = dir > 0 ? pos.bottom + 3 : pos.top - 3;
4869	+ }
4870	+ for (;;) {
4871	+ var target = coordsChar(cm, x, y);
4872	+ if (!target.outside) break;
4873	+ if (dir < 0 ? y <= 0 : y >= doc.height) { target.hitSide = true; break; }
4874	+ y += dir * 5;
4875	+ }
4876	+ return target;
4877	+ }
4878	+
4879	+ // EDITOR METHODS
4880	+
4881	+ // The publicly visible API. Note that methodOp(f) means
4882	+ // 'wrap f in an operation, performed on its `this` parameter'.
4883	+
4884	+ // This is not the complete set of editor methods. Most of the
4885	+ // methods defined on the Doc type are also injected into
4886	+ // CodeMirror.prototype, for backwards compatibility and
4887	+ // convenience.
4888	+
4889	+ CodeMirror.prototype = {
4890	+ constructor: CodeMirror,
4891	+ focus: function(){window.focus(); this.display.input.focus();},
4892	+
4893	+ setOption: function(option, value) {
4894	+ var options = this.options, old = options[option];
4895	+ if (options[option] == value && option != "mode") return;
4896	+ options[option] = value;
4897	+ if (optionHandlers.hasOwnProperty(option))
4898	+ operation(this, optionHandlers[option])(this, value, old);
4899	+ },
4900	+
4901	+ getOption: function(option) {return this.options[option];},
4902	+ getDoc: function() {return this.doc;},
4903	+
4904	+ addKeyMap: function(map, bottom) {
4905	+ this.state.keyMaps[bottom ? "push" : "unshift"](getKeyMap(map));
4906	+ },
4907	+ removeKeyMap: function(map) {
4908	+ var maps = this.state.keyMaps;
4909	+ for (var i = 0; i < maps.length; ++i)
4910	+ if (maps[i] == map \|\| maps[i].name == map) {
4911	+ maps.splice(i, 1);
4912	+ return true;
4913	+ }
4914	+ },
4915	+
4916	+ addOverlay: methodOp(function(spec, options) {
4917	+ var mode = spec.token ? spec : CodeMirror.getMode(this.options, spec);
4918	+ if (mode.startState) throw new Error("Overlays may not be stateful.");
4919	+ this.state.overlays.push({mode: mode, modeSpec: spec, opaque: options && options.opaque});
4920	+ this.state.modeGen++;
4921	+ regChange(this);
4922	+ }),
4923	+ removeOverlay: methodOp(function(spec) {
4924	+ var overlays = this.state.overlays;
4925	+ for (var i = 0; i < overlays.length; ++i) {
4926	+ var cur = overlays[i].modeSpec;
4927	+ if (cur == spec \|\| typeof spec == "string" && cur.name == spec) {
4928	+ overlays.splice(i, 1);
4929	+ this.state.modeGen++;
4930	+ regChange(this);
4931	+ return;
4932	+ }
4933	+ }
4934	+ }),
4935	+
4936	+ indentLine: methodOp(function(n, dir, aggressive) {
4937	+ if (typeof dir != "string" && typeof dir != "number") {
4938	+ if (dir == null) dir = this.options.smartIndent ? "smart" : "prev";
4939	+ else dir = dir ? "add" : "subtract";
4940	+ }
4941	+ if (isLine(this.doc, n)) indentLine(this, n, dir, aggressive);
4942	+ }),
4943	+ indentSelection: methodOp(function(how) {
4944	+ var ranges = this.doc.sel.ranges, end = -1;
4945	+ for (var i = 0; i < ranges.length; i++) {
4946	+ var range = ranges[i];
4947	+ if (!range.empty()) {
4948	+ var from = range.from(), to = range.to();
4949	+ var start = Math.max(end, from.line);
4950	+ end = Math.min(this.lastLine(), to.line - (to.ch ? 0 : 1)) + 1;
4951	+ for (var j = start; j < end; ++j)
4952	+ indentLine(this, j, how);
4953	+ var newRanges = this.doc.sel.ranges;
4954	+ if (from.ch == 0 && ranges.length == newRanges.length && newRanges[i].from().ch > 0)
4955	+ replaceOneSelection(this.doc, i, new Range(from, newRanges[i].to()), sel_dontScroll);
4956	+ } else if (range.head.line > end) {
4957	+ indentLine(this, range.head.line, how, true);
4958	+ end = range.head.line;
4959	+ if (i == this.doc.sel.primIndex) ensureCursorVisible(this);
4960	+ }
4961	+ }
4962	+ }),
4963	+
4964	+ // Fetch the parser token for a given character. Useful for hacks
4965	+ // that want to inspect the mode state (say, for completion).
4966	+ getTokenAt: function(pos, precise) {
4967	+ return takeToken(this, pos, precise);
4968	+ },
4969	+
4970	+ getLineTokens: function(line, precise) {
4971	+ return takeToken(this, Pos(line), precise, true);
4972	+ },
4973	+
4974	+ getTokenTypeAt: function(pos) {
4975	+ pos = clipPos(this.doc, pos);
4976	+ var styles = getLineStyles(this, getLine(this.doc, pos.line));
4977	+ var before = 0, after = (styles.length - 1) / 2, ch = pos.ch;
4978	+ var type;
4979	+ if (ch == 0) type = styles[2];
4980	+ else for (;;) {
4981	+ var mid = (before + after) >> 1;
4982	+ if ((mid ? styles[mid * 2 - 1] : 0) >= ch) after = mid;
4983	+ else if (styles[mid * 2 + 1] < ch) before = mid + 1;
4984	+ else { type = styles[mid * 2 + 2]; break; }
4985	+ }
4986	+ var cut = type ? type.indexOf("cm-overlay ") : -1;
4987	+ return cut < 0 ? type : cut == 0 ? null : type.slice(0, cut - 1);
4988	+ },
4989	+
4990	+ getModeAt: function(pos) {
4991	+ var mode = this.doc.mode;
4992	+ if (!mode.innerMode) return mode;
4993	+ return CodeMirror.innerMode(mode, this.getTokenAt(pos).state).mode;
4994	+ },
4995	+
4996	+ getHelper: function(pos, type) {
4997	+ return this.getHelpers(pos, type)[0];
4998	+ },
4999	+
5000	+ getHelpers: function(pos, type) {
5001	+ var found = [];
5002	+ if (!helpers.hasOwnProperty(type)) return found;
5003	+ var help = helpers[type], mode = this.getModeAt(pos);
5004	+ if (typeof mode[type] == "string") {
5005	+ if (help[mode[type]]) found.push(help[mode[type]]);
5006	+ } else if (mode[type]) {
5007	+ for (var i = 0; i < mode[type].length; i++) {
5008	+ var val = help[mode[type][i]];
5009	+ if (val) found.push(val);
5010	+ }
5011	+ } else if (mode.helperType && help[mode.helperType]) {
5012	+ found.push(help[mode.helperType]);
5013	+ } else if (help[mode.name]) {
5014	+ found.push(help[mode.name]);
5015	+ }
5016	+ for (var i = 0; i < help._global.length; i++) {
5017	+ var cur = help._global[i];
5018	+ if (cur.pred(mode, this) && indexOf(found, cur.val) == -1)
5019	+ found.push(cur.val);
5020	+ }
5021	+ return found;
5022	+ },
5023	+
5024	+ getStateAfter: function(line, precise) {
5025	+ var doc = this.doc;
5026	+ line = clipLine(doc, line == null ? doc.first + doc.size - 1: line);
5027	+ return getStateBefore(this, line + 1, precise);
5028	+ },
5029	+
5030	+ cursorCoords: function(start, mode) {
5031	+ var pos, range = this.doc.sel.primary();
5032	+ if (start == null) pos = range.head;
5033	+ else if (typeof start == "object") pos = clipPos(this.doc, start);
5034	+ else pos = start ? range.from() : range.to();
5035	+ return cursorCoords(this, pos, mode \|\| "page");
5036	+ },
5037	+
5038	+ charCoords: function(pos, mode) {
5039	+ return charCoords(this, clipPos(this.doc, pos), mode \|\| "page");
5040	+ },
5041	+
5042	+ coordsChar: function(coords, mode) {
5043	+ coords = fromCoordSystem(this, coords, mode \|\| "page");
5044	+ return coordsChar(this, coords.left, coords.top);
5045	+ },
5046	+
5047	+ lineAtHeight: function(height, mode) {
5048	+ height = fromCoordSystem(this, {top: height, left: 0}, mode \|\| "page").top;
5049	+ return lineAtHeight(this.doc, height + this.display.viewOffset);
5050	+ },
5051	+ heightAtLine: function(line, mode) {
5052	+ var end = false, lineObj;
5053	+ if (typeof line == "number") {
5054	+ var last = this.doc.first + this.doc.size - 1;
5055	+ if (line < this.doc.first) line = this.doc.first;
5056	+ else if (line > last) { line = last; end = true; }
5057	+ lineObj = getLine(this.doc, line);
5058	+ } else {
5059	+ lineObj = line;
5060	+ }
5061	+ return intoCoordSystem(this, lineObj, {top: 0, left: 0}, mode \|\| "page").top +
5062	+ (end ? this.doc.height - heightAtLine(lineObj) : 0);
5063	+ },
5064	+
5065	+ defaultTextHeight: function() { return textHeight(this.display); },
5066	+ defaultCharWidth: function() { return charWidth(this.display); },
5067	+
5068	+ setGutterMarker: methodOp(function(line, gutterID, value) {
5069	+ return changeLine(this.doc, line, "gutter", function(line) {
5070	+ var markers = line.gutterMarkers \|\| (line.gutterMarkers = {});
5071	+ markers[gutterID] = value;
5072	+ if (!value && isEmpty(markers)) line.gutterMarkers = null;
5073	+ return true;
5074	+ });
5075	+ }),
5076	+
5077	+ clearGutter: methodOp(function(gutterID) {
5078	+ var cm = this, doc = cm.doc, i = doc.first;
5079	+ doc.iter(function(line) {
5080	+ if (line.gutterMarkers && line.gutterMarkers[gutterID]) {
5081	+ line.gutterMarkers[gutterID] = null;
5082	+ regLineChange(cm, i, "gutter");
5083	+ if (isEmpty(line.gutterMarkers)) line.gutterMarkers = null;
5084	+ }
5085	+ ++i;
5086	+ });
5087	+ }),
5088	+
5089	+ lineInfo: function(line) {
5090	+ if (typeof line == "number") {
5091	+ if (!isLine(this.doc, line)) return null;
5092	+ var n = line;
5093	+ line = getLine(this.doc, line);
5094	+ if (!line) return null;
5095	+ } else {
5096	+ var n = lineNo(line);
5097	+ if (n == null) return null;
5098	+ }
5099	+ return {line: n, handle: line, text: line.text, gutterMarkers: line.gutterMarkers,
5100	+ textClass: line.textClass, bgClass: line.bgClass, wrapClass: line.wrapClass,
5101	+ widgets: line.widgets};
5102	+ },
5103	+
5104	+ getViewport: function() { return {from: this.display.viewFrom, to: this.display.viewTo};},
5105	+
5106	+ addWidget: function(pos, node, scroll, vert, horiz) {
5107	+ var display = this.display;
5108	+ pos = cursorCoords(this, clipPos(this.doc, pos));
5109	+ var top = pos.bottom, left = pos.left;
5110	+ node.style.position = "absolute";
5111	+ node.setAttribute("cm-ignore-events", "true");
5112	+ this.display.input.setUneditable(node);
5113	+ display.sizer.appendChild(node);
5114	+ if (vert == "over") {
5115	+ top = pos.top;
5116	+ } else if (vert == "above" \|\| vert == "near") {
5117	+ var vspace = Math.max(display.wrapper.clientHeight, this.doc.height),
5118	+ hspace = Math.max(display.sizer.clientWidth, display.lineSpace.clientWidth);
5119	+ // Default to positioning above (if specified and possible); otherwise default to positioning below
5120	+ if ((vert == 'above' \|\| pos.bottom + node.offsetHeight > vspace) && pos.top > node.offsetHeight)
5121	+ top = pos.top - node.offsetHeight;
5122	+ else if (pos.bottom + node.offsetHeight <= vspace)
5123	+ top = pos.bottom;
5124	+ if (left + node.offsetWidth > hspace)
5125	+ left = hspace - node.offsetWidth;
5126	+ }
5127	+ node.style.top = top + "px";
5128	+ node.style.left = node.style.right = "";
5129	+ if (horiz == "right") {
5130	+ left = display.sizer.clientWidth - node.offsetWidth;
5131	+ node.style.right = "0px";
5132	+ } else {
5133	+ if (horiz == "left") left = 0;
5134	+ else if (horiz == "middle") left = (display.sizer.clientWidth - node.offsetWidth) / 2;
5135	+ node.style.left = left + "px";
5136	+ }
5137	+ if (scroll)
5138	+ scrollIntoView(this, left, top, left + node.offsetWidth, top + node.offsetHeight);
5139	+ },
5140	+
5141	+ triggerOnKeyDown: methodOp(onKeyDown),
5142	+ triggerOnKeyPress: methodOp(onKeyPress),
5143	+ triggerOnKeyUp: onKeyUp,
5144	+
5145	+ execCommand: function(cmd) {
5146	+ if (commands.hasOwnProperty(cmd))
5147	+ return commands[cmd].call(null, this);
5148	+ },
5149	+
5150	+ triggerElectric: methodOp(function(text) { triggerElectric(this, text); }),
5151	+
5152	+ findPosH: function(from, amount, unit, visually) {
5153	+ var dir = 1;
5154	+ if (amount < 0) { dir = -1; amount = -amount; }
5155	+ for (var i = 0, cur = clipPos(this.doc, from); i < amount; ++i) {
5156	+ cur = findPosH(this.doc, cur, dir, unit, visually);
5157	+ if (cur.hitSide) break;
5158	+ }
5159	+ return cur;
5160	+ },
5161	+
5162	+ moveH: methodOp(function(dir, unit) {
5163	+ var cm = this;
5164	+ cm.extendSelectionsBy(function(range) {
5165	+ if (cm.display.shift \|\| cm.doc.extend \|\| range.empty())
5166	+ return findPosH(cm.doc, range.head, dir, unit, cm.options.rtlMoveVisually);
5167	+ else
5168	+ return dir < 0 ? range.from() : range.to();
5169	+ }, sel_move);
5170	+ }),
5171	+
5172	+ deleteH: methodOp(function(dir, unit) {
5173	+ var sel = this.doc.sel, doc = this.doc;
5174	+ if (sel.somethingSelected())
5175	+ doc.replaceSelection("", null, "+delete");
5176	+ else
5177	+ deleteNearSelection(this, function(range) {
5178	+ var other = findPosH(doc, range.head, dir, unit, false);
5179	+ return dir < 0 ? {from: other, to: range.head} : {from: range.head, to: other};
5180	+ });
5181	+ }),
5182	+
5183	+ findPosV: function(from, amount, unit, goalColumn) {
5184	+ var dir = 1, x = goalColumn;
5185	+ if (amount < 0) { dir = -1; amount = -amount; }
5186	+ for (var i = 0, cur = clipPos(this.doc, from); i < amount; ++i) {
5187	+ var coords = cursorCoords(this, cur, "div");
5188	+ if (x == null) x = coords.left;
5189	+ else coords.left = x;
5190	+ cur = findPosV(this, coords, dir, unit);
5191	+ if (cur.hitSide) break;
5192	+ }
5193	+ return cur;
5194	+ },
5195	+
5196	+ moveV: methodOp(function(dir, unit) {
5197	+ var cm = this, doc = this.doc, goals = [];
5198	+ var collapse = !cm.display.shift && !doc.extend && doc.sel.somethingSelected();
5199	+ doc.extendSelectionsBy(function(range) {
5200	+ if (collapse)
5201	+ return dir < 0 ? range.from() : range.to();
5202	+ var headPos = cursorCoords(cm, range.head, "div");
5203	+ if (range.goalColumn != null) headPos.left = range.goalColumn;
5204	+ goals.push(headPos.left);
5205	+ var pos = findPosV(cm, headPos, dir, unit);
5206	+ if (unit == "page" && range == doc.sel.primary())
5207	+ addToScrollPos(cm, null, charCoords(cm, pos, "div").top - headPos.top);
5208	+ return pos;
5209	+ }, sel_move);
5210	+ if (goals.length) for (var i = 0; i < doc.sel.ranges.length; i++)
5211	+ doc.sel.ranges[i].goalColumn = goals[i];
5212	+ }),
5213	+
5214	+ // Find the word at the given position (as returned by coordsChar).
5215	+ findWordAt: function(pos) {
5216	+ var doc = this.doc, line = getLine(doc, pos.line).text;
5217	+ var start = pos.ch, end = pos.ch;
5218	+ if (line) {
5219	+ var helper = this.getHelper(pos, "wordChars");
5220	+ if ((pos.xRel < 0 \|\| end == line.length) && start) --start; else ++end;
5221	+ var startChar = line.charAt(start);
5222	+ var check = isWordChar(startChar, helper)
5223	+ ? function(ch) { return isWordChar(ch, helper); }
5224	+ : /\s/.test(startChar) ? function(ch) {return /\s/.test(ch);}
5225	+ : function(ch) {return !/\s/.test(ch) && !isWordChar(ch);};
5226	+ while (start > 0 && check(line.charAt(start - 1))) --start;
5227	+ while (end < line.length && check(line.charAt(end))) ++end;
5228	+ }
5229	+ return new Range(Pos(pos.line, start), Pos(pos.line, end));
5230	+ },
5231	+
5232	+ toggleOverwrite: function(value) {
5233	+ if (value != null && value == this.state.overwrite) return;
5234	+ if (this.state.overwrite = !this.state.overwrite)
5235	+ addClass(this.display.cursorDiv, "CodeMirror-overwrite");
5236	+ else
5237	+ rmClass(this.display.cursorDiv, "CodeMirror-overwrite");
5238	+
5239	+ signal(this, "overwriteToggle", this, this.state.overwrite);
5240	+ },
5241	+ hasFocus: function() { return this.display.input.getField() == activeElt(); },
5242	+ isReadOnly: function() { return !!(this.options.readOnly \|\| this.doc.cantEdit); },
5243	+
5244	+ scrollTo: methodOp(function(x, y) {
5245	+ if (x != null \|\| y != null) resolveScrollToPos(this);
5246	+ if (x != null) this.curOp.scrollLeft = x;
5247	+ if (y != null) this.curOp.scrollTop = y;
5248	+ }),
5249	+ getScrollInfo: function() {
5250	+ var scroller = this.display.scroller;
5251	+ return {left: scroller.scrollLeft, top: scroller.scrollTop,
5252	+ height: scroller.scrollHeight - scrollGap(this) - this.display.barHeight,
5253	+ width: scroller.scrollWidth - scrollGap(this) - this.display.barWidth,
5254	+ clientHeight: displayHeight(this), clientWidth: displayWidth(this)};
5255	+ },
5256	+
5257	+ scrollIntoView: methodOp(function(range, margin) {
5258	+ if (range == null) {
5259	+ range = {from: this.doc.sel.primary().head, to: null};
5260	+ if (margin == null) margin = this.options.cursorScrollMargin;
5261	+ } else if (typeof range == "number") {
5262	+ range = {from: Pos(range, 0), to: null};
5263	+ } else if (range.from == null) {
5264	+ range = {from: range, to: null};
5265	+ }
5266	+ if (!range.to) range.to = range.from;
5267	+ range.margin = margin \|\| 0;
5268	+
5269	+ if (range.from.line != null) {
5270	+ resolveScrollToPos(this);
5271	+ this.curOp.scrollToPos = range;
5272	+ } else {
5273	+ var sPos = calculateScrollPos(this, Math.min(range.from.left, range.to.left),
5274	+ Math.min(range.from.top, range.to.top) - range.margin,
5275	+ Math.max(range.from.right, range.to.right),
5276	+ Math.max(range.from.bottom, range.to.bottom) + range.margin);
5277	+ this.scrollTo(sPos.scrollLeft, sPos.scrollTop);
5278	+ }
5279	+ }),
5280	+
5281	+ setSize: methodOp(function(width, height) {
5282	+ var cm = this;
5283	+ function interpret(val) {
5284	+ return typeof val == "number" \|\| /^\d+$/.test(String(val)) ? val + "px" : val;
5285	+ }
5286	+ if (width != null) cm.display.wrapper.style.width = interpret(width);
5287	+ if (height != null) cm.display.wrapper.style.height = interpret(height);
5288	+ if (cm.options.lineWrapping) clearLineMeasurementCache(this);
5289	+ var lineNo = cm.display.viewFrom;
5290	+ cm.doc.iter(lineNo, cm.display.viewTo, function(line) {
5291	+ if (line.widgets) for (var i = 0; i < line.widgets.length; i++)
5292	+ if (line.widgets[i].noHScroll) { regLineChange(cm, lineNo, "widget"); break; }
5293	+ ++lineNo;
5294	+ });
5295	+ cm.curOp.forceUpdate = true;
5296	+ signal(cm, "refresh", this);
5297	+ }),
5298	+
5299	+ operation: function(f){return runInOp(this, f);},
5300	+
5301	+ refresh: methodOp(function() {
5302	+ var oldHeight = this.display.cachedTextHeight;
5303	+ regChange(this);
5304	+ this.curOp.forceUpdate = true;
5305	+ clearCaches(this);
5306	+ this.scrollTo(this.doc.scrollLeft, this.doc.scrollTop);
5307	+ updateGutterSpace(this);
5308	+ if (oldHeight == null \|\| Math.abs(oldHeight - textHeight(this.display)) > .5)
5309	+ estimateLineHeights(this);
5310	+ signal(this, "refresh", this);
5311	+ }),
5312	+
5313	+ swapDoc: methodOp(function(doc) {
5314	+ var old = this.doc;
5315	+ old.cm = null;
5316	+ attachDoc(this, doc);
5317	+ clearCaches(this);
5318	+ this.display.input.reset();
5319	+ this.scrollTo(doc.scrollLeft, doc.scrollTop);
5320	+ this.curOp.forceScroll = true;
5321	+ signalLater(this, "swapDoc", this, old);
5322	+ return old;
5323	+ }),
5324	+
5325	+ getInputField: function(){return this.display.input.getField();},
5326	+ getWrapperElement: function(){return this.display.wrapper;},
5327	+ getScrollerElement: function(){return this.display.scroller;},
5328	+ getGutterElement: function(){return this.display.gutters;}
5329	+ };
5330	+ eventMixin(CodeMirror);
5331	+
5332	+ // OPTION DEFAULTS
5333	+
5334	+ // The default configuration options.
5335	+ var defaults = CodeMirror.defaults = {};
5336	+ // Functions to run when options are changed.
5337	+ var optionHandlers = CodeMirror.optionHandlers = {};
5338	+
5339	+ function option(name, deflt, handle, notOnInit) {
5340	+ CodeMirror.defaults[name] = deflt;
5341	+ if (handle) optionHandlers[name] =
5342	+ notOnInit ? function(cm, val, old) {if (old != Init) handle(cm, val, old);} : handle;
5343	+ }
5344	+
5345	+ // Passed to option handlers when there is no old value.
5346	+ var Init = CodeMirror.Init = {toString: function(){return "CodeMirror.Init";}};
5347	+
5348	+ // These two are, on init, called from the constructor because they
5349	+ // have to be initialized before the editor can start at all.
5350	+ option("value", "", function(cm, val) {
5351	+ cm.setValue(val);
5352	+ }, true);
5353	+ option("mode", null, function(cm, val) {
5354	+ cm.doc.modeOption = val;
5355	+ loadMode(cm);
5356	+ }, true);
5357	+
5358	+ option("indentUnit", 2, loadMode, true);
5359	+ option("indentWithTabs", false);
5360	+ option("smartIndent", true);
5361	+ option("tabSize", 4, function(cm) {
5362	+ resetModeState(cm);
5363	+ clearCaches(cm);
5364	+ regChange(cm);
5365	+ }, true);
5366	+ option("lineSeparator", null, function(cm, val) {
5367	+ cm.doc.lineSep = val;
5368	+ if (!val) return;
5369	+ var newBreaks = [], lineNo = cm.doc.first;
5370	+ cm.doc.iter(function(line) {
5371	+ for (var pos = 0;;) {
5372	+ var found = line.text.indexOf(val, pos);
5373	+ if (found == -1) break;
5374	+ pos = found + val.length;
5375	+ newBreaks.push(Pos(lineNo, found));
5376	+ }
5377	+ lineNo++;
5378	+ });
5379	+ for (var i = newBreaks.length - 1; i >= 0; i--)
5380	+ replaceRange(cm.doc, val, newBreaks[i], Pos(newBreaks[i].line, newBreaks[i].ch + val.length))
5381	+ });
5382	+ option("specialChars", /[\t\u0000-\u0019\u00ad\u200b-\u200f\u2028\u2029\ufeff]/g, function(cm, val, old) {
5383	+ cm.state.specialChars = new RegExp(val.source + (val.test("\t") ? "" : "\|\t"), "g");
5384	+ if (old != CodeMirror.Init) cm.refresh();
5385	+ });
5386	+ option("specialCharPlaceholder", defaultSpecialCharPlaceholder, function(cm) {cm.refresh();}, true);
5387	+ option("electricChars", true);
5388	+ option("inputStyle", mobile ? "contenteditable" : "textarea", function() {
5389	+ throw new Error("inputStyle can not (yet) be changed in a running editor"); // FIXME
5390	+ }, true);
5391	+ option("rtlMoveVisually", !windows);
5392	+ option("wholeLineUpdateBefore", true);
5393	+
5394	+ option("theme", "default", function(cm) {
5395	+ themeChanged(cm);
5396	+ guttersChanged(cm);
5397	+ }, true);
5398	+ option("keyMap", "default", function(cm, val, old) {
5399	+ var next = getKeyMap(val);
5400	+ var prev = old != CodeMirror.Init && getKeyMap(old);
5401	+ if (prev && prev.detach) prev.detach(cm, next);
5402	+ if (next.attach) next.attach(cm, prev \|\| null);
5403	+ });
5404	+ option("extraKeys", null);
5405	+
5406	+ option("lineWrapping", false, wrappingChanged, true);
5407	+ option("gutters", [], function(cm) {
5408	+ setGuttersForLineNumbers(cm.options);
5409	+ guttersChanged(cm);
5410	+ }, true);
5411	+ option("fixedGutter", true, function(cm, val) {
5412	+ cm.display.gutters.style.left = val ? compensateForHScroll(cm.display) + "px" : "0";
5413	+ cm.refresh();
5414	+ }, true);
5415	+ option("coverGutterNextToScrollbar", false, function(cm) {updateScrollbars(cm);}, true);
5416	+ option("scrollbarStyle", "native", function(cm) {
5417	+ initScrollbars(cm);
5418	+ updateScrollbars(cm);
5419	+ cm.display.scrollbars.setScrollTop(cm.doc.scrollTop);
5420	+ cm.display.scrollbars.setScrollLeft(cm.doc.scrollLeft);
5421	+ }, true);
5422	+ option("lineNumbers", false, function(cm) {
5423	+ setGuttersForLineNumbers(cm.options);
5424	+ guttersChanged(cm);
5425	+ }, true);
5426	+ option("firstLineNumber", 1, guttersChanged, true);
5427	+ option("lineNumberFormatter", function(integer) {return integer;}, guttersChanged, true);
5428	+ option("showCursorWhenSelecting", false, updateSelection, true);
5429	+
5430	+ option("resetSelectionOnContextMenu", true);
5431	+ option("lineWiseCopyCut", true);
5432	+
5433	+ option("readOnly", false, function(cm, val) {
5434	+ if (val == "nocursor") {
5435	+ onBlur(cm);
5436	+ cm.display.input.blur();
5437	+ cm.display.disabled = true;
5438	+ } else {
5439	+ cm.display.disabled = false;
5440	+ }
5441	+ cm.display.input.readOnlyChanged(val)
5442	+ });
5443	+ option("disableInput", false, function(cm, val) {if (!val) cm.display.input.reset();}, true);
5444	+ option("dragDrop", true, dragDropChanged);
5445	+ option("allowDropFileTypes", null);
5446	+
5447	+ option("cursorBlinkRate", 530);
5448	+ option("cursorScrollMargin", 0);
5449	+ option("cursorHeight", 1, updateSelection, true);
5450	+ option("singleCursorHeightPerLine", true, updateSelection, true);
5451	+ option("workTime", 100);
5452	+ option("workDelay", 100);
5453	+ option("flattenSpans", true, resetModeState, true);
5454	+ option("addModeClass", false, resetModeState, true);
5455	+ option("pollInterval", 100);
5456	+ option("undoDepth", 200, function(cm, val){cm.doc.history.undoDepth = val;});
5457	+ option("historyEventDelay", 1250);
5458	+ option("viewportMargin", 10, function(cm){cm.refresh();}, true);
5459	+ option("maxHighlightLength", 10000, resetModeState, true);
5460	+ option("moveInputWithCursor", true, function(cm, val) {
5461	+ if (!val) cm.display.input.resetPosition();
5462	+ });
5463	+
5464	+ option("tabindex", null, function(cm, val) {
5465	+ cm.display.input.getField().tabIndex = val \|\| "";
5466	+ });
5467	+ option("autofocus", null);
5468	+
5469	+ // MODE DEFINITION AND QUERYING
5470	+
5471	+ // Known modes, by name and by MIME
5472	+ var modes = CodeMirror.modes = {}, mimeModes = CodeMirror.mimeModes = {};
5473	+
5474	+ // Extra arguments are stored as the mode's dependencies, which is
5475	+ // used by (legacy) mechanisms like loadmode.js to automatically
5476	+ // load a mode. (Preferred mechanism is the require/define calls.)
5477	+ CodeMirror.defineMode = function(name, mode) {
5478	+ if (!CodeMirror.defaults.mode && name != "null") CodeMirror.defaults.mode = name;
5479	+ if (arguments.length > 2)
5480	+ mode.dependencies = Array.prototype.slice.call(arguments, 2);
5481	+ modes[name] = mode;
5482	+ };
5483	+
5484	+ CodeMirror.defineMIME = function(mime, spec) {
5485	+ mimeModes[mime] = spec;
5486	+ };
5487	+
5488	+ // Given a MIME type, a {name, ...options} config object, or a name
5489	+ // string, return a mode config object.
5490	+ CodeMirror.resolveMode = function(spec) {
5491	+ if (typeof spec == "string" && mimeModes.hasOwnProperty(spec)) {
5492	+ spec = mimeModes[spec];
5493	+ } else if (spec && typeof spec.name == "string" && mimeModes.hasOwnProperty(spec.name)) {
5494	+ var found = mimeModes[spec.name];
5495	+ if (typeof found == "string") found = {name: found};
5496	+ spec = createObj(found, spec);
5497	+ spec.name = found.name;
5498	+ } else if (typeof spec == "string" && /^[\w\-]+\/[\w\-]+\+xml$/.test(spec)) {
5499	+ return CodeMirror.resolveMode("application/xml");
5500	+ }
5501	+ if (typeof spec == "string") return {name: spec};
5502	+ else return spec \|\| {name: "null"};
5503	+ };
5504	+
5505	+ // Given a mode spec (anything that resolveMode accepts), find and
5506	+ // initialize an actual mode object.
5507	+ CodeMirror.getMode = function(options, spec) {
5508	+ var spec = CodeMirror.resolveMode(spec);
5509	+ var mfactory = modes[spec.name];
5510	+ if (!mfactory) return CodeMirror.getMode(options, "text/plain");
5511	+ var modeObj = mfactory(options, spec);
5512	+ if (modeExtensions.hasOwnProperty(spec.name)) {
5513	+ var exts = modeExtensions[spec.name];
5514	+ for (var prop in exts) {
5515	+ if (!exts.hasOwnProperty(prop)) continue;
5516	+ if (modeObj.hasOwnProperty(prop)) modeObj["_" + prop] = modeObj[prop];
5517	+ modeObj[prop] = exts[prop];
5518	+ }
5519	+ }
5520	+ modeObj.name = spec.name;
5521	+ if (spec.helperType) modeObj.helperType = spec.helperType;
5522	+ if (spec.modeProps) for (var prop in spec.modeProps)
5523	+ modeObj[prop] = spec.modeProps[prop];
5524	+
5525	+ return modeObj;
5526	+ };
5527	+
5528	+ // Minimal default mode.
5529	+ CodeMirror.defineMode("null", function() {
5530	+ return {token: function(stream) {stream.skipToEnd();}};
5531	+ });
5532	+ CodeMirror.defineMIME("text/plain", "null");
5533	+
5534	+ // This can be used to attach properties to mode objects from
5535	+ // outside the actual mode definition.
5536	+ var modeExtensions = CodeMirror.modeExtensions = {};
5537	+ CodeMirror.extendMode = function(mode, properties) {
5538	+ var exts = modeExtensions.hasOwnProperty(mode) ? modeExtensions[mode] : (modeExtensions[mode] = {});
5539	+ copyObj(properties, exts);
5540	+ };
5541	+
5542	+ // EXTENSIONS
5543	+
5544	+ CodeMirror.defineExtension = function(name, func) {
5545	+ CodeMirror.prototype[name] = func;
5546	+ };
5547	+ CodeMirror.defineDocExtension = function(name, func) {
5548	+ Doc.prototype[name] = func;
5549	+ };
5550	+ CodeMirror.defineOption = option;
5551	+
5552	+ var initHooks = [];
5553	+ CodeMirror.defineInitHook = function(f) {initHooks.push(f);};
5554	+
5555	+ var helpers = CodeMirror.helpers = {};
5556	+ CodeMirror.registerHelper = function(type, name, value) {
5557	+ if (!helpers.hasOwnProperty(type)) helpers[type] = CodeMirror[type] = {_global: []};
5558	+ helpers[type][name] = value;
5559	+ };
5560	+ CodeMirror.registerGlobalHelper = function(type, name, predicate, value) {
5561	+ CodeMirror.registerHelper(type, name, value);
5562	+ helpers[type]._global.push({pred: predicate, val: value});
5563	+ };
5564	+
5565	+ // MODE STATE HANDLING
5566	+
5567	+ // Utility functions for working with state. Exported because nested
5568	+ // modes need to do this for their inner modes.
5569	+
5570	+ var copyState = CodeMirror.copyState = function(mode, state) {
5571	+ if (state === true) return state;
5572	+ if (mode.copyState) return mode.copyState(state);
5573	+ var nstate = {};
5574	+ for (var n in state) {
5575	+ var val = state[n];
5576	+ if (val instanceof Array) val = val.concat([]);
5577	+ nstate[n] = val;
5578	+ }
5579	+ return nstate;
5580	+ };
5581	+
5582	+ var startState = CodeMirror.startState = function(mode, a1, a2) {
5583	+ return mode.startState ? mode.startState(a1, a2) : true;
5584	+ };
5585	+
5586	+ // Given a mode and a state (for that mode), find the inner mode and
5587	+ // state at the position that the state refers to.
5588	+ CodeMirror.innerMode = function(mode, state) {
5589	+ while (mode.innerMode) {
5590	+ var info = mode.innerMode(state);
5591	+ if (!info \|\| info.mode == mode) break;
5592	+ state = info.state;
5593	+ mode = info.mode;
5594	+ }
5595	+ return info \|\| {mode: mode, state: state};
5596	+ };
5597	+
5598	+ // STANDARD COMMANDS
5599	+
5600	+ // Commands are parameter-less actions that can be performed on an
5601	+ // editor, mostly used for keybindings.
5602	+ var commands = CodeMirror.commands = {
5603	+ selectAll: function(cm) {cm.setSelection(Pos(cm.firstLine(), 0), Pos(cm.lastLine()), sel_dontScroll);},
5604	+ singleSelection: function(cm) {
5605	+ cm.setSelection(cm.getCursor("anchor"), cm.getCursor("head"), sel_dontScroll);
5606	+ },
5607	+ killLine: function(cm) {
5608	+ deleteNearSelection(cm, function(range) {
5609	+ if (range.empty()) {
5610	+ var len = getLine(cm.doc, range.head.line).text.length;
5611	+ if (range.head.ch == len && range.head.line < cm.lastLine())
5612	+ return {from: range.head, to: Pos(range.head.line + 1, 0)};
5613	+ else
5614	+ return {from: range.head, to: Pos(range.head.line, len)};
5615	+ } else {
5616	+ return {from: range.from(), to: range.to()};
5617	+ }
5618	+ });
5619	+ },
5620	+ deleteLine: function(cm) {
5621	+ deleteNearSelection(cm, function(range) {
5622	+ return {from: Pos(range.from().line, 0),
5623	+ to: clipPos(cm.doc, Pos(range.to().line + 1, 0))};
5624	+ });
5625	+ },
5626	+ delLineLeft: function(cm) {
5627	+ deleteNearSelection(cm, function(range) {
5628	+ return {from: Pos(range.from().line, 0), to: range.from()};
5629	+ });
5630	+ },
5631	+ delWrappedLineLeft: function(cm) {
5632	+ deleteNearSelection(cm, function(range) {
5633	+ var top = cm.charCoords(range.head, "div").top + 5;
5634	+ var leftPos = cm.coordsChar({left: 0, top: top}, "div");
5635	+ return {from: leftPos, to: range.from()};
5636	+ });
5637	+ },
5638	+ delWrappedLineRight: function(cm) {
5639	+ deleteNearSelection(cm, function(range) {
5640	+ var top = cm.charCoords(range.head, "div").top + 5;
5641	+ var rightPos = cm.coordsChar({left: cm.display.lineDiv.offsetWidth + 100, top: top}, "div");
5642	+ return {from: range.from(), to: rightPos };
5643	+ });
5644	+ },
5645	+ undo: function(cm) {cm.undo();},
5646	+ redo: function(cm) {cm.redo();},
5647	+ undoSelection: function(cm) {cm.undoSelection();},
5648	+ redoSelection: function(cm) {cm.redoSelection();},
5649	+ goDocStart: function(cm) {cm.extendSelection(Pos(cm.firstLine(), 0));},
5650	+ goDocEnd: function(cm) {cm.extendSelection(Pos(cm.lastLine()));},
5651	+ goLineStart: function(cm) {
5652	+ cm.extendSelectionsBy(function(range) { return lineStart(cm, range.head.line); },
5653	+ {origin: "+move", bias: 1});
5654	+ },
5655	+ goLineStartSmart: function(cm) {
5656	+ cm.extendSelectionsBy(function(range) {
5657	+ return lineStartSmart(cm, range.head);
5658	+ }, {origin: "+move", bias: 1});
5659	+ },
5660	+ goLineEnd: function(cm) {
5661	+ cm.extendSelectionsBy(function(range) { return lineEnd(cm, range.head.line); },
5662	+ {origin: "+move", bias: -1});
5663	+ },
5664	+ goLineRight: function(cm) {
5665	+ cm.extendSelectionsBy(function(range) {
5666	+ var top = cm.charCoords(range.head, "div").top + 5;
5667	+ return cm.coordsChar({left: cm.display.lineDiv.offsetWidth + 100, top: top}, "div");
5668	+ }, sel_move);
5669	+ },
5670	+ goLineLeft: function(cm) {
5671	+ cm.extendSelectionsBy(function(range) {
5672	+ var top = cm.charCoords(range.head, "div").top + 5;
5673	+ return cm.coordsChar({left: 0, top: top}, "div");
5674	+ }, sel_move);
5675	+ },
5676	+ goLineLeftSmart: function(cm) {
5677	+ cm.extendSelectionsBy(function(range) {
5678	+ var top = cm.charCoords(range.head, "div").top + 5;
5679	+ var pos = cm.coordsChar({left: 0, top: top}, "div");
5680	+ if (pos.ch < cm.getLine(pos.line).search(/\S/)) return lineStartSmart(cm, range.head);
5681	+ return pos;
5682	+ }, sel_move);
5683	+ },
5684	+ goLineUp: function(cm) {cm.moveV(-1, "line");},
5685	+ goLineDown: function(cm) {cm.moveV(1, "line");},
5686	+ goPageUp: function(cm) {cm.moveV(-1, "page");},
5687	+ goPageDown: function(cm) {cm.moveV(1, "page");},
5688	+ goCharLeft: function(cm) {cm.moveH(-1, "char");},
5689	+ goCharRight: function(cm) {cm.moveH(1, "char");},
5690	+ goColumnLeft: function(cm) {cm.moveH(-1, "column");},
5691	+ goColumnRight: function(cm) {cm.moveH(1, "column");},
5692	+ goWordLeft: function(cm) {cm.moveH(-1, "word");},
5693	+ goGroupRight: function(cm) {cm.moveH(1, "group");},
5694	+ goGroupLeft: function(cm) {cm.moveH(-1, "group");},
5695	+ goWordRight: function(cm) {cm.moveH(1, "word");},
5696	+ delCharBefore: function(cm) {cm.deleteH(-1, "char");},
5697	+ delCharAfter: function(cm) {cm.deleteH(1, "char");},
5698	+ delWordBefore: function(cm) {cm.deleteH(-1, "word");},
5699	+ delWordAfter: function(cm) {cm.deleteH(1, "word");},
5700	+ delGroupBefore: function(cm) {cm.deleteH(-1, "group");},
5701	+ delGroupAfter: function(cm) {cm.deleteH(1, "group");},
5702	+ indentAuto: function(cm) {cm.indentSelection("smart");},
5703	+ indentMore: function(cm) {cm.indentSelection("add");},
5704	+ indentLess: function(cm) {cm.indentSelection("subtract");},
5705	+ insertTab: function(cm) {cm.replaceSelection("\t");},
5706	+ insertSoftTab: function(cm) {
5707	+ var spaces = [], ranges = cm.listSelections(), tabSize = cm.options.tabSize;
5708	+ for (var i = 0; i < ranges.length; i++) {
5709	+ var pos = ranges[i].from();
5710	+ var col = countColumn(cm.getLine(pos.line), pos.ch, tabSize);
5711	+ spaces.push(new Array(tabSize - col % tabSize + 1).join(" "));
5712	+ }
5713	+ cm.replaceSelections(spaces);
5714	+ },
5715	+ defaultTab: function(cm) {
5716	+ if (cm.somethingSelected()) cm.indentSelection("add");
5717	+ else cm.execCommand("insertTab");
5718	+ },
5719	+ transposeChars: function(cm) {
5720	+ runInOp(cm, function() {
5721	+ var ranges = cm.listSelections(), newSel = [];
5722	+ for (var i = 0; i < ranges.length; i++) {
5723	+ var cur = ranges[i].head, line = getLine(cm.doc, cur.line).text;
5724	+ if (line) {
5725	+ if (cur.ch == line.length) cur = new Pos(cur.line, cur.ch - 1);
5726	+ if (cur.ch > 0) {
5727	+ cur = new Pos(cur.line, cur.ch + 1);
5728	+ cm.replaceRange(line.charAt(cur.ch - 1) + line.charAt(cur.ch - 2),
5729	+ Pos(cur.line, cur.ch - 2), cur, "+transpose");
5730	+ } else if (cur.line > cm.doc.first) {
5731	+ var prev = getLine(cm.doc, cur.line - 1).text;
5732	+ if (prev)
5733	+ cm.replaceRange(line.charAt(0) + cm.doc.lineSeparator() +
5734	+ prev.charAt(prev.length - 1),
5735	+ Pos(cur.line - 1, prev.length - 1), Pos(cur.line, 1), "+transpose");
5736	+ }
5737	+ }
5738	+ newSel.push(new Range(cur, cur));
5739	+ }
5740	+ cm.setSelections(newSel);
5741	+ });
5742	+ },
5743	+ newlineAndIndent: function(cm) {
5744	+ runInOp(cm, function() {
5745	+ var len = cm.listSelections().length;
5746	+ for (var i = 0; i < len; i++) {
5747	+ var range = cm.listSelections()[i];
5748	+ cm.replaceRange(cm.doc.lineSeparator(), range.anchor, range.head, "+input");
5749	+ cm.indentLine(range.from().line + 1, null, true);
5750	+ }
5751	+ ensureCursorVisible(cm);
5752	+ });
5753	+ },
5754	+ toggleOverwrite: function(cm) {cm.toggleOverwrite();}
5755	+ };
5756	+
5757	+
5758	+ // STANDARD KEYMAPS
5759	+
5760	+ var keyMap = CodeMirror.keyMap = {};
5761	+
5762	+ keyMap.basic = {
5763	+ "Left": "goCharLeft", "Right": "goCharRight", "Up": "goLineUp", "Down": "goLineDown",
5764	+ "End": "goLineEnd", "Home": "goLineStartSmart", "PageUp": "goPageUp", "PageDown": "goPageDown",
5765	+ "Delete": "delCharAfter", "Backspace": "delCharBefore", "Shift-Backspace": "delCharBefore",
5766	+ "Tab": "defaultTab", "Shift-Tab": "indentAuto",
5767	+ "Enter": "newlineAndIndent", "Insert": "toggleOverwrite",
5768	+ "Esc": "singleSelection"
5769	+ };
5770	+ // Note that the save and find-related commands aren't defined by
5771	+ // default. User code or addons can define them. Unknown commands
5772	+ // are simply ignored.
5773	+ keyMap.pcDefault = {
5774	+ "Ctrl-A": "selectAll", "Ctrl-D": "deleteLine", "Ctrl-Z": "undo", "Shift-Ctrl-Z": "redo", "Ctrl-Y": "redo",
5775	+ "Ctrl-Home": "goDocStart", "Ctrl-End": "goDocEnd", "Ctrl-Up": "goLineUp", "Ctrl-Down": "goLineDown",
5776	+ "Ctrl-Left": "goGroupLeft", "Ctrl-Right": "goGroupRight", "Alt-Left": "goLineStart", "Alt-Right": "goLineEnd",
5777	+ "Ctrl-Backspace": "delGroupBefore", "Ctrl-Delete": "delGroupAfter", "Ctrl-S": "save", "Ctrl-F": "find",
5778	+ "Ctrl-G": "findNext", "Shift-Ctrl-G": "findPrev", "Shift-Ctrl-F": "replace", "Shift-Ctrl-R": "replaceAll",
5779	+ "Ctrl-[": "indentLess", "Ctrl-]": "indentMore",
5780	+ "Ctrl-U": "undoSelection", "Shift-Ctrl-U": "redoSelection", "Alt-U": "redoSelection",
5781	+ fallthrough: "basic"
5782	+ };
5783	+ // Very basic readline/emacs-style bindings, which are standard on Mac.
5784	+ keyMap.emacsy = {
5785	+ "Ctrl-F": "goCharRight", "Ctrl-B": "goCharLeft", "Ctrl-P": "goLineUp", "Ctrl-N": "goLineDown",
5786	+ "Alt-F": "goWordRight", "Alt-B": "goWordLeft", "Ctrl-A": "goLineStart", "Ctrl-E": "goLineEnd",
5787	+ "Ctrl-V": "goPageDown", "Shift-Ctrl-V": "goPageUp", "Ctrl-D": "delCharAfter", "Ctrl-H": "delCharBefore",
5788	+ "Alt-D": "delWordAfter", "Alt-Backspace": "delWordBefore", "Ctrl-K": "killLine", "Ctrl-T": "transposeChars"
5789	+ };
5790	+ keyMap.macDefault = {
5791	+ "Cmd-A": "selectAll", "Cmd-D": "deleteLine", "Cmd-Z": "undo", "Shift-Cmd-Z": "redo", "Cmd-Y": "redo",
5792	+ "Cmd-Home": "goDocStart", "Cmd-Up": "goDocStart", "Cmd-End": "goDocEnd", "Cmd-Down": "goDocEnd", "Alt-Left": "goGroupLeft",
5793	+ "Alt-Right": "goGroupRight", "Cmd-Left": "goLineLeft", "Cmd-Right": "goLineRight", "Alt-Backspace": "delGroupBefore",
5794	+ "Ctrl-Alt-Backspace": "delGroupAfter", "Alt-Delete": "delGroupAfter", "Cmd-S": "save", "Cmd-F": "find",
5795	+ "Cmd-G": "findNext", "Shift-Cmd-G": "findPrev", "Cmd-Alt-F": "replace", "Shift-Cmd-Alt-F": "replaceAll",
5796	+ "Cmd-[": "indentLess", "Cmd-]": "indentMore", "Cmd-Backspace": "delWrappedLineLeft", "Cmd-Delete": "delWrappedLineRight",
5797	+ "Cmd-U": "undoSelection", "Shift-Cmd-U": "redoSelection", "Ctrl-Up": "goDocStart", "Ctrl-Down": "goDocEnd",
5798	+ fallthrough: ["basic", "emacsy"]
5799	+ };
5800	+ keyMap["default"] = mac ? keyMap.macDefault : keyMap.pcDefault;
5801	+
5802	+ // KEYMAP DISPATCH
5803	+
5804	+ function normalizeKeyName(name) {
5805	+ var parts = name.split(/-(?!$)/), name = parts[parts.length - 1];
5806	+ var alt, ctrl, shift, cmd;
5807	+ for (var i = 0; i < parts.length - 1; i++) {
5808	+ var mod = parts[i];
5809	+ if (/^(cmd\|meta\|m)$/i.test(mod)) cmd = true;
5810	+ else if (/^a(lt)?$/i.test(mod)) alt = true;
5811	+ else if (/^(c\|ctrl\|control)$/i.test(mod)) ctrl = true;
5812	+ else if (/^s(hift)$/i.test(mod)) shift = true;
5813	+ else throw new Error("Unrecognized modifier name: " + mod);
5814	+ }
5815	+ if (alt) name = "Alt-" + name;
5816	+ if (ctrl) name = "Ctrl-" + name;
5817	+ if (cmd) name = "Cmd-" + name;
5818	+ if (shift) name = "Shift-" + name;
5819	+ return name;
5820	+ }
5821	+
5822	+ // This is a kludge to keep keymaps mostly working as raw objects
5823	+ // (backwards compatibility) while at the same time support features
5824	+ // like normalization and multi-stroke key bindings. It compiles a
5825	+ // new normalized keymap, and then updates the old object to reflect
5826	+ // this.
5827	+ CodeMirror.normalizeKeyMap = function(keymap) {
5828	+ var copy = {};
5829	+ for (var keyname in keymap) if (keymap.hasOwnProperty(keyname)) {
5830	+ var value = keymap[keyname];
5831	+ if (/^(name\|fallthrough\|(de\|at)tach)$/.test(keyname)) continue;
5832	+ if (value == "...") { delete keymap[keyname]; continue; }
5833	+
5834	+ var keys = map(keyname.split(" "), normalizeKeyName);
5835	+ for (var i = 0; i < keys.length; i++) {
5836	+ var val, name;
5837	+ if (i == keys.length - 1) {
5838	+ name = keys.join(" ");
5839	+ val = value;
5840	+ } else {
5841	+ name = keys.slice(0, i + 1).join(" ");
5842	+ val = "...";
5843	+ }
5844	+ var prev = copy[name];
5845	+ if (!prev) copy[name] = val;
5846	+ else if (prev != val) throw new Error("Inconsistent bindings for " + name);
5847	+ }
5848	+ delete keymap[keyname];
5849	+ }
5850	+ for (var prop in copy) keymap[prop] = copy[prop];
5851	+ return keymap;
5852	+ };
5853	+
5854	+ var lookupKey = CodeMirror.lookupKey = function(key, map, handle, context) {
5855	+ map = getKeyMap(map);
5856	+ var found = map.call ? map.call(key, context) : map[key];
5857	+ if (found === false) return "nothing";
5858	+ if (found === "...") return "multi";
5859	+ if (found != null && handle(found)) return "handled";
5860	+
5861	+ if (map.fallthrough) {
5862	+ if (Object.prototype.toString.call(map.fallthrough) != "[object Array]")
5863	+ return lookupKey(key, map.fallthrough, handle, context);
5864	+ for (var i = 0; i < map.fallthrough.length; i++) {
5865	+ var result = lookupKey(key, map.fallthrough[i], handle, context);
5866	+ if (result) return result;
5867	+ }
5868	+ }
5869	+ };
5870	+
5871	+ // Modifier key presses don't count as 'real' key presses for the
5872	+ // purpose of keymap fallthrough.
5873	+ var isModifierKey = CodeMirror.isModifierKey = function(value) {
5874	+ var name = typeof value == "string" ? value : keyNames[value.keyCode];
5875	+ return name == "Ctrl" \|\| name == "Alt" \|\| name == "Shift" \|\| name == "Mod";
5876	+ };
5877	+
5878	+ // Look up the name of a key as indicated by an event object.
5879	+ var keyName = CodeMirror.keyName = function(event, noShift) {
5880	+ if (presto && event.keyCode == 34 && event["char"]) return false;
5881	+ var base = keyNames[event.keyCode], name = base;
5882	+ if (name == null \|\| event.altGraphKey) return false;
5883	+ if (event.altKey && base != "Alt") name = "Alt-" + name;
5884	+ if ((flipCtrlCmd ? event.metaKey : event.ctrlKey) && base != "Ctrl") name = "Ctrl-" + name;
5885	+ if ((flipCtrlCmd ? event.ctrlKey : event.metaKey) && base != "Cmd") name = "Cmd-" + name;
5886	+ if (!noShift && event.shiftKey && base != "Shift") name = "Shift-" + name;
5887	+ return name;
5888	+ };
5889	+
5890	+ function getKeyMap(val) {
5891	+ return typeof val == "string" ? keyMap[val] : val;
5892	+ }
5893	+
5894	+ // FROMTEXTAREA
5895	+
5896	+ CodeMirror.fromTextArea = function(textarea, options) {
5897	+ options = options ? copyObj(options) : {};
5898	+ options.value = textarea.value;
5899	+ if (!options.tabindex && textarea.tabIndex)
5900	+ options.tabindex = textarea.tabIndex;
5901	+ if (!options.placeholder && textarea.placeholder)
5902	+ options.placeholder = textarea.placeholder;
5903	+ // Set autofocus to true if this textarea is focused, or if it has
5904	+ // autofocus and no other element is focused.
5905	+ if (options.autofocus == null) {
5906	+ var hasFocus = activeElt();
5907	+ options.autofocus = hasFocus == textarea \|\|
5908	+ textarea.getAttribute("autofocus") != null && hasFocus == document.body;
5909	+ }
5910	+
5911	+ function save() {textarea.value = cm.getValue();}
5912	+ if (textarea.form) {
5913	+ on(textarea.form, "submit", save);
5914	+ // Deplorable hack to make the submit method do the right thing.
5915	+ if (!options.leaveSubmitMethodAlone) {
5916	+ var form = textarea.form, realSubmit = form.submit;
5917	+ try {
5918	+ var wrappedSubmit = form.submit = function() {
5919	+ save();
5920	+ form.submit = realSubmit;
5921	+ form.submit();
5922	+ form.submit = wrappedSubmit;
5923	+ };
5924	+ } catch(e) {}
5925	+ }
5926	+ }
5927	+
5928	+ options.finishInit = function(cm) {
5929	+ cm.save = save;
5930	+ cm.getTextArea = function() { return textarea; };
5931	+ cm.toTextArea = function() {
5932	+ cm.toTextArea = isNaN; // Prevent this from being ran twice
5933	+ save();
5934	+ textarea.parentNode.removeChild(cm.getWrapperElement());
5935	+ textarea.style.display = "";
5936	+ if (textarea.form) {
5937	+ off(textarea.form, "submit", save);
5938	+ if (typeof textarea.form.submit == "function")
5939	+ textarea.form.submit = realSubmit;
5940	+ }
5941	+ };
5942	+ };
5943	+
5944	+ textarea.style.display = "none";
5945	+ var cm = CodeMirror(function(node) {
5946	+ textarea.parentNode.insertBefore(node, textarea.nextSibling);
5947	+ }, options);
5948	+ return cm;
5949	+ };
5950	+
5951	+ // STRING STREAM
5952	+
5953	+ // Fed to the mode parsers, provides helper functions to make
5954	+ // parsers more succinct.
5955	+
5956	+ var StringStream = CodeMirror.StringStream = function(string, tabSize) {
5957	+ this.pos = this.start = 0;
5958	+ this.string = string;
5959	+ this.tabSize = tabSize \|\| 8;
5960	+ this.lastColumnPos = this.lastColumnValue = 0;
5961	+ this.lineStart = 0;
5962	+ };
5963	+
5964	+ StringStream.prototype = {
5965	+ eol: function() {return this.pos >= this.string.length;},
5966	+ sol: function() {return this.pos == this.lineStart;},
5967	+ peek: function() {return this.string.charAt(this.pos) \|\| undefined;},
5968	+ next: function() {
5969	+ if (this.pos < this.string.length)
5970	+ return this.string.charAt(this.pos++);
5971	+ },
5972	+ eat: function(match) {
5973	+ var ch = this.string.charAt(this.pos);
5974	+ if (typeof match == "string") var ok = ch == match;
5975	+ else var ok = ch && (match.test ? match.test(ch) : match(ch));
5976	+ if (ok) {++this.pos; return ch;}
5977	+ },
5978	+ eatWhile: function(match) {
5979	+ var start = this.pos;
5980	+ while (this.eat(match)){}
5981	+ return this.pos > start;
5982	+ },
5983	+ eatSpace: function() {
5984	+ var start = this.pos;
5985	+ while (/[\s\u00a0]/.test(this.string.charAt(this.pos))) ++this.pos;
5986	+ return this.pos > start;
5987	+ },
5988	+ skipToEnd: function() {this.pos = this.string.length;},
5989	+ skipTo: function(ch) {
5990	+ var found = this.string.indexOf(ch, this.pos);
5991	+ if (found > -1) {this.pos = found; return true;}
5992	+ },
5993	+ backUp: function(n) {this.pos -= n;},
5994	+ column: function() {
5995	+ if (this.lastColumnPos < this.start) {
5996	+ this.lastColumnValue = countColumn(this.string, this.start, this.tabSize, this.lastColumnPos, this.lastColumnValue);
5997	+ this.lastColumnPos = this.start;
5998	+ }
5999	+ return this.lastColumnValue - (this.lineStart ? countColumn(this.string, this.lineStart, this.tabSize) : 0);
6000	+ },
6001	+ indentation: function() {
6002	+ return countColumn(this.string, null, this.tabSize) -
6003	+ (this.lineStart ? countColumn(this.string, this.lineStart, this.tabSize) : 0);
6004	+ },
6005	+ match: function(pattern, consume, caseInsensitive) {
6006	+ if (typeof pattern == "string") {
6007	+ var cased = function(str) {return caseInsensitive ? str.toLowerCase() : str;};
6008	+ var substr = this.string.substr(this.pos, pattern.length);
6009	+ if (cased(substr) == cased(pattern)) {
6010	+ if (consume !== false) this.pos += pattern.length;
6011	+ return true;
6012	+ }
6013	+ } else {
6014	+ var match = this.string.slice(this.pos).match(pattern);
6015	+ if (match && match.index > 0) return null;
6016	+ if (match && consume !== false) this.pos += match[0].length;
6017	+ return match;
6018	+ }
6019	+ },
6020	+ current: function(){return this.string.slice(this.start, this.pos);},
6021	+ hideFirstChars: function(n, inner) {
6022	+ this.lineStart += n;
6023	+ try { return inner(); }
6024	+ finally { this.lineStart -= n; }
6025	+ }
6026	+ };
6027	+
6028	+ // TEXTMARKERS
6029	+
6030	+ // Created with markText and setBookmark methods. A TextMarker is a
6031	+ // handle that can be used to clear or find a marked position in the
6032	+ // document. Line objects hold arrays (markedSpans) containing
6033	+ // {from, to, marker} object pointing to such marker objects, and
6034	+ // indicating that such a marker is present on that line. Multiple
6035	+ // lines may point to the same marker when it spans across lines.
6036	+ // The spans will have null for their from/to properties when the
6037	+ // marker continues beyond the start/end of the line. Markers have
6038	+ // links back to the lines they currently touch.
6039	+
6040	+ var nextMarkerId = 0;
6041	+
6042	+ var TextMarker = CodeMirror.TextMarker = function(doc, type) {
6043	+ this.lines = [];
6044	+ this.type = type;
6045	+ this.doc = doc;
6046	+ this.id = ++nextMarkerId;
6047	+ };
6048	+ eventMixin(TextMarker);
6049	+
6050	+ // Clear the marker.
6051	+ TextMarker.prototype.clear = function() {
6052	+ if (this.explicitlyCleared) return;
6053	+ var cm = this.doc.cm, withOp = cm && !cm.curOp;
6054	+ if (withOp) startOperation(cm);
6055	+ if (hasHandler(this, "clear")) {
6056	+ var found = this.find();
6057	+ if (found) signalLater(this, "clear", found.from, found.to);
6058	+ }
6059	+ var min = null, max = null;
6060	+ for (var i = 0; i < this.lines.length; ++i) {
6061	+ var line = this.lines[i];
6062	+ var span = getMarkedSpanFor(line.markedSpans, this);
6063	+ if (cm && !this.collapsed) regLineChange(cm, lineNo(line), "text");
6064	+ else if (cm) {
6065	+ if (span.to != null) max = lineNo(line);
6066	+ if (span.from != null) min = lineNo(line);
6067	+ }
6068	+ line.markedSpans = removeMarkedSpan(line.markedSpans, span);
6069	+ if (span.from == null && this.collapsed && !lineIsHidden(this.doc, line) && cm)
6070	+ updateLineHeight(line, textHeight(cm.display));
6071	+ }
6072	+ if (cm && this.collapsed && !cm.options.lineWrapping) for (var i = 0; i < this.lines.length; ++i) {
6073	+ var visual = visualLine(this.lines[i]), len = lineLength(visual);
6074	+ if (len > cm.display.maxLineLength) {
6075	+ cm.display.maxLine = visual;
6076	+ cm.display.maxLineLength = len;
6077	+ cm.display.maxLineChanged = true;
6078	+ }
6079	+ }
6080	+
6081	+ if (min != null && cm && this.collapsed) regChange(cm, min, max + 1);
6082	+ this.lines.length = 0;
6083	+ this.explicitlyCleared = true;
6084	+ if (this.atomic && this.doc.cantEdit) {
6085	+ this.doc.cantEdit = false;
6086	+ if (cm) reCheckSelection(cm.doc);
6087	+ }
6088	+ if (cm) signalLater(cm, "markerCleared", cm, this);
6089	+ if (withOp) endOperation(cm);
6090	+ if (this.parent) this.parent.clear();
6091	+ };
6092	+
6093	+ // Find the position of the marker in the document. Returns a {from,
6094	+ // to} object by default. Side can be passed to get a specific side
6095	+ // -- 0 (both), -1 (left), or 1 (right). When lineObj is true, the
6096	+ // Pos objects returned contain a line object, rather than a line
6097	+ // number (used to prevent looking up the same line twice).
6098	+ TextMarker.prototype.find = function(side, lineObj) {
6099	+ if (side == null && this.type == "bookmark") side = 1;
6100	+ var from, to;
6101	+ for (var i = 0; i < this.lines.length; ++i) {
6102	+ var line = this.lines[i];
6103	+ var span = getMarkedSpanFor(line.markedSpans, this);
6104	+ if (span.from != null) {
6105	+ from = Pos(lineObj ? line : lineNo(line), span.from);
6106	+ if (side == -1) return from;
6107	+ }
6108	+ if (span.to != null) {
6109	+ to = Pos(lineObj ? line : lineNo(line), span.to);
6110	+ if (side == 1) return to;
6111	+ }
6112	+ }
6113	+ return from && {from: from, to: to};
6114	+ };
6115	+
6116	+ // Signals that the marker's widget changed, and surrounding layout
6117	+ // should be recomputed.
6118	+ TextMarker.prototype.changed = function() {
6119	+ var pos = this.find(-1, true), widget = this, cm = this.doc.cm;
6120	+ if (!pos \|\| !cm) return;
6121	+ runInOp(cm, function() {
6122	+ var line = pos.line, lineN = lineNo(pos.line);
6123	+ var view = findViewForLine(cm, lineN);
6124	+ if (view) {
6125	+ clearLineMeasurementCacheFor(view);
6126	+ cm.curOp.selectionChanged = cm.curOp.forceUpdate = true;
6127	+ }
6128	+ cm.curOp.updateMaxLine = true;
6129	+ if (!lineIsHidden(widget.doc, line) && widget.height != null) {
6130	+ var oldHeight = widget.height;
6131	+ widget.height = null;
6132	+ var dHeight = widgetHeight(widget) - oldHeight;
6133	+ if (dHeight)
6134	+ updateLineHeight(line, line.height + dHeight);
6135	+ }
6136	+ });
6137	+ };
6138	+
6139	+ TextMarker.prototype.attachLine = function(line) {
6140	+ if (!this.lines.length && this.doc.cm) {
6141	+ var op = this.doc.cm.curOp;
6142	+ if (!op.maybeHiddenMarkers \|\| indexOf(op.maybeHiddenMarkers, this) == -1)
6143	+ (op.maybeUnhiddenMarkers \|\| (op.maybeUnhiddenMarkers = [])).push(this);
6144	+ }
6145	+ this.lines.push(line);
6146	+ };
6147	+ TextMarker.prototype.detachLine = function(line) {
6148	+ this.lines.splice(indexOf(this.lines, line), 1);
6149	+ if (!this.lines.length && this.doc.cm) {
6150	+ var op = this.doc.cm.curOp;
6151	+ (op.maybeHiddenMarkers \|\| (op.maybeHiddenMarkers = [])).push(this);
6152	+ }
6153	+ };
6154	+
6155	+ // Collapsed markers have unique ids, in order to be able to order
6156	+ // them, which is needed for uniquely determining an outer marker
6157	+ // when they overlap (they may nest, but not partially overlap).
6158	+ var nextMarkerId = 0;
6159	+
6160	+ // Create a marker, wire it up to the right lines, and
6161	+ function markText(doc, from, to, options, type) {
6162	+ // Shared markers (across linked documents) are handled separately
6163	+ // (markTextShared will call out to this again, once per
6164	+ // document).
6165	+ if (options && options.shared) return markTextShared(doc, from, to, options, type);
6166	+ // Ensure we are in an operation.
6167	+ if (doc.cm && !doc.cm.curOp) return operation(doc.cm, markText)(doc, from, to, options, type);
6168	+
6169	+ var marker = new TextMarker(doc, type), diff = cmp(from, to);
6170	+ if (options) copyObj(options, marker, false);
6171	+ // Don't connect empty markers unless clearWhenEmpty is false
6172	+ if (diff > 0 \|\| diff == 0 && marker.clearWhenEmpty !== false)
6173	+ return marker;
6174	+ if (marker.replacedWith) {
6175	+ // Showing up as a widget implies collapsed (widget replaces text)
6176	+ marker.collapsed = true;
6177	+ marker.widgetNode = elt("span", [marker.replacedWith], "CodeMirror-widget");
6178	+ if (!options.handleMouseEvents) marker.widgetNode.setAttribute("cm-ignore-events", "true");
6179	+ if (options.insertLeft) marker.widgetNode.insertLeft = true;
6180	+ }
6181	+ if (marker.collapsed) {
6182	+ if (conflictingCollapsedRange(doc, from.line, from, to, marker) \|\|
6183	+ from.line != to.line && conflictingCollapsedRange(doc, to.line, from, to, marker))
6184	+ throw new Error("Inserting collapsed marker partially overlapping an existing one");
6185	+ sawCollapsedSpans = true;
6186	+ }
6187	+
6188	+ if (marker.addToHistory)
6189	+ addChangeToHistory(doc, {from: from, to: to, origin: "markText"}, doc.sel, NaN);
6190	+
6191	+ var curLine = from.line, cm = doc.cm, updateMaxLine;
6192	+ doc.iter(curLine, to.line + 1, function(line) {
6193	+ if (cm && marker.collapsed && !cm.options.lineWrapping && visualLine(line) == cm.display.maxLine)
6194	+ updateMaxLine = true;
6195	+ if (marker.collapsed && curLine != from.line) updateLineHeight(line, 0);
6196	+ addMarkedSpan(line, new MarkedSpan(marker,
6197	+ curLine == from.line ? from.ch : null,
6198	+ curLine == to.line ? to.ch : null));
6199	+ ++curLine;
6200	+ });
6201	+ // lineIsHidden depends on the presence of the spans, so needs a second pass
6202	+ if (marker.collapsed) doc.iter(from.line, to.line + 1, function(line) {
6203	+ if (lineIsHidden(doc, line)) updateLineHeight(line, 0);
6204	+ });
6205	+
6206	+ if (marker.clearOnEnter) on(marker, "beforeCursorEnter", function() { marker.clear(); });
6207	+
6208	+ if (marker.readOnly) {
6209	+ sawReadOnlySpans = true;
6210	+ if (doc.history.done.length \|\| doc.history.undone.length)
6211	+ doc.clearHistory();
6212	+ }
6213	+ if (marker.collapsed) {
6214	+ marker.id = ++nextMarkerId;
6215	+ marker.atomic = true;
6216	+ }
6217	+ if (cm) {
6218	+ // Sync editor state
6219	+ if (updateMaxLine) cm.curOp.updateMaxLine = true;
6220	+ if (marker.collapsed)
6221	+ regChange(cm, from.line, to.line + 1);
6222	+ else if (marker.className \|\| marker.title \|\| marker.startStyle \|\| marker.endStyle \|\| marker.css)
6223	+ for (var i = from.line; i <= to.line; i++) regLineChange(cm, i, "text");
6224	+ if (marker.atomic) reCheckSelection(cm.doc);
6225	+ signalLater(cm, "markerAdded", cm, marker);
6226	+ }
6227	+ return marker;
6228	+ }
6229	+
6230	+ // SHARED TEXTMARKERS
6231	+
6232	+ // A shared marker spans multiple linked documents. It is
6233	+ // implemented as a meta-marker-object controlling multiple normal
6234	+ // markers.
6235	+ var SharedTextMarker = CodeMirror.SharedTextMarker = function(markers, primary) {
6236	+ this.markers = markers;
6237	+ this.primary = primary;
6238	+ for (var i = 0; i < markers.length; ++i)
6239	+ markers[i].parent = this;
6240	+ };
6241	+ eventMixin(SharedTextMarker);
6242	+
6243	+ SharedTextMarker.prototype.clear = function() {
6244	+ if (this.explicitlyCleared) return;
6245	+ this.explicitlyCleared = true;
6246	+ for (var i = 0; i < this.markers.length; ++i)
6247	+ this.markers[i].clear();
6248	+ signalLater(this, "clear");
6249	+ };
6250	+ SharedTextMarker.prototype.find = function(side, lineObj) {
6251	+ return this.primary.find(side, lineObj);
6252	+ };
6253	+
6254	+ function markTextShared(doc, from, to, options, type) {
6255	+ options = copyObj(options);
6256	+ options.shared = false;
6257	+ var markers = [markText(doc, from, to, options, type)], primary = markers[0];
6258	+ var widget = options.widgetNode;
6259	+ linkedDocs(doc, function(doc) {
6260	+ if (widget) options.widgetNode = widget.cloneNode(true);
6261	+ markers.push(markText(doc, clipPos(doc, from), clipPos(doc, to), options, type));
6262	+ for (var i = 0; i < doc.linked.length; ++i)
6263	+ if (doc.linked[i].isParent) return;
6264	+ primary = lst(markers);
6265	+ });
6266	+ return new SharedTextMarker(markers, primary);
6267	+ }
6268	+
6269	+ function findSharedMarkers(doc) {
6270	+ return doc.findMarks(Pos(doc.first, 0), doc.clipPos(Pos(doc.lastLine())),
6271	+ function(m) { return m.parent; });
6272	+ }
6273	+
6274	+ function copySharedMarkers(doc, markers) {
6275	+ for (var i = 0; i < markers.length; i++) {
6276	+ var marker = markers[i], pos = marker.find();
6277	+ var mFrom = doc.clipPos(pos.from), mTo = doc.clipPos(pos.to);
6278	+ if (cmp(mFrom, mTo)) {
6279	+ var subMark = markText(doc, mFrom, mTo, marker.primary, marker.primary.type);
6280	+ marker.markers.push(subMark);
6281	+ subMark.parent = marker;
6282	+ }
6283	+ }
6284	+ }
6285	+
6286	+ function detachSharedMarkers(markers) {
6287	+ for (var i = 0; i < markers.length; i++) {
6288	+ var marker = markers[i], linked = [marker.primary.doc];;
6289	+ linkedDocs(marker.primary.doc, function(d) { linked.push(d); });
6290	+ for (var j = 0; j < marker.markers.length; j++) {
6291	+ var subMarker = marker.markers[j];
6292	+ if (indexOf(linked, subMarker.doc) == -1) {
6293	+ subMarker.parent = null;
6294	+ marker.markers.splice(j--, 1);
6295	+ }
6296	+ }
6297	+ }
6298	+ }
6299	+
6300	+ // TEXTMARKER SPANS
6301	+
6302	+ function MarkedSpan(marker, from, to) {
6303	+ this.marker = marker;
6304	+ this.from = from; this.to = to;
6305	+ }
6306	+
6307	+ // Search an array of spans for a span matching the given marker.
6308	+ function getMarkedSpanFor(spans, marker) {
6309	+ if (spans) for (var i = 0; i < spans.length; ++i) {
6310	+ var span = spans[i];
6311	+ if (span.marker == marker) return span;
6312	+ }
6313	+ }
6314	+ // Remove a span from an array, returning undefined if no spans are
6315	+ // left (we don't store arrays for lines without spans).
6316	+ function removeMarkedSpan(spans, span) {
6317	+ for (var r, i = 0; i < spans.length; ++i)
6318	+ if (spans[i] != span) (r \|\| (r = [])).push(spans[i]);
6319	+ return r;
6320	+ }
6321	+ // Add a span to a line.
6322	+ function addMarkedSpan(line, span) {
6323	+ line.markedSpans = line.markedSpans ? line.markedSpans.concat([span]) : [span];
6324	+ span.marker.attachLine(line);
6325	+ }
6326	+
6327	+ // Used for the algorithm that adjusts markers for a change in the
6328	+ // document. These functions cut an array of spans at a given
6329	+ // character position, returning an array of remaining chunks (or
6330	+ // undefined if nothing remains).
6331	+ function markedSpansBefore(old, startCh, isInsert) {
6332	+ if (old) for (var i = 0, nw; i < old.length; ++i) {
6333	+ var span = old[i], marker = span.marker;
6334	+ var startsBefore = span.from == null \|\| (marker.inclusiveLeft ? span.from <= startCh : span.from < startCh);
6335	+ if (startsBefore \|\| span.from == startCh && marker.type == "bookmark" && (!isInsert \|\| !span.marker.insertLeft)) {
6336	+ var endsAfter = span.to == null \|\| (marker.inclusiveRight ? span.to >= startCh : span.to > startCh);
6337	+ (nw \|\| (nw = [])).push(new MarkedSpan(marker, span.from, endsAfter ? null : span.to));
6338	+ }
6339	+ }
6340	+ return nw;
6341	+ }
6342	+ function markedSpansAfter(old, endCh, isInsert) {
6343	+ if (old) for (var i = 0, nw; i < old.length; ++i) {
6344	+ var span = old[i], marker = span.marker;
6345	+ var endsAfter = span.to == null \|\| (marker.inclusiveRight ? span.to >= endCh : span.to > endCh);
6346	+ if (endsAfter \|\| span.from == endCh && marker.type == "bookmark" && (!isInsert \|\| span.marker.insertLeft)) {
6347	+ var startsBefore = span.from == null \|\| (marker.inclusiveLeft ? span.from <= endCh : span.from < endCh);
6348	+ (nw \|\| (nw = [])).push(new MarkedSpan(marker, startsBefore ? null : span.from - endCh,
6349	+ span.to == null ? null : span.to - endCh));
6350	+ }
6351	+ }
6352	+ return nw;
6353	+ }
6354	+
6355	+ // Given a change object, compute the new set of marker spans that
6356	+ // cover the line in which the change took place. Removes spans
6357	+ // entirely within the change, reconnects spans belonging to the
6358	+ // same marker that appear on both sides of the change, and cuts off
6359	+ // spans partially within the change. Returns an array of span
6360	+ // arrays with one element for each line in (after) the change.
6361	+ function stretchSpansOverChange(doc, change) {
6362	+ if (change.full) return null;
6363	+ var oldFirst = isLine(doc, change.from.line) && getLine(doc, change.from.line).markedSpans;
6364	+ var oldLast = isLine(doc, change.to.line) && getLine(doc, change.to.line).markedSpans;
6365	+ if (!oldFirst && !oldLast) return null;
6366	+
6367	+ var startCh = change.from.ch, endCh = change.to.ch, isInsert = cmp(change.from, change.to) == 0;
6368	+ // Get the spans that 'stick out' on both sides
6369	+ var first = markedSpansBefore(oldFirst, startCh, isInsert);
6370	+ var last = markedSpansAfter(oldLast, endCh, isInsert);
6371	+
6372	+ // Next, merge those two ends
6373	+ var sameLine = change.text.length == 1, offset = lst(change.text).length + (sameLine ? startCh : 0);
6374	+ if (first) {
6375	+ // Fix up .to properties of first
6376	+ for (var i = 0; i < first.length; ++i) {
6377	+ var span = first[i];
6378	+ if (span.to == null) {
6379	+ var found = getMarkedSpanFor(last, span.marker);
6380	+ if (!found) span.to = startCh;
6381	+ else if (sameLine) span.to = found.to == null ? null : found.to + offset;
6382	+ }
6383	+ }
6384	+ }
6385	+ if (last) {
6386	+ // Fix up .from in last (or move them into first in case of sameLine)
6387	+ for (var i = 0; i < last.length; ++i) {
6388	+ var span = last[i];
6389	+ if (span.to != null) span.to += offset;
6390	+ if (span.from == null) {
6391	+ var found = getMarkedSpanFor(first, span.marker);
6392	+ if (!found) {
6393	+ span.from = offset;
6394	+ if (sameLine) (first \|\| (first = [])).push(span);
6395	+ }
6396	+ } else {
6397	+ span.from += offset;
6398	+ if (sameLine) (first \|\| (first = [])).push(span);
6399	+ }
6400	+ }
6401	+ }
6402	+ // Make sure we didn't create any zero-length spans
6403	+ if (first) first = clearEmptySpans(first);
6404	+ if (last && last != first) last = clearEmptySpans(last);
6405	+
6406	+ var newMarkers = [first];
6407	+ if (!sameLine) {
6408	+ // Fill gap with whole-line-spans
6409	+ var gap = change.text.length - 2, gapMarkers;
6410	+ if (gap > 0 && first)
6411	+ for (var i = 0; i < first.length; ++i)
6412	+ if (first[i].to == null)
6413	+ (gapMarkers \|\| (gapMarkers = [])).push(new MarkedSpan(first[i].marker, null, null));
6414	+ for (var i = 0; i < gap; ++i)
6415	+ newMarkers.push(gapMarkers);
6416	+ newMarkers.push(last);
6417	+ }
6418	+ return newMarkers;
6419	+ }
6420	+
6421	+ // Remove spans that are empty and don't have a clearWhenEmpty
6422	+ // option of false.
6423	+ function clearEmptySpans(spans) {
6424	+ for (var i = 0; i < spans.length; ++i) {
6425	+ var span = spans[i];
6426	+ if (span.from != null && span.from == span.to && span.marker.clearWhenEmpty !== false)
6427	+ spans.splice(i--, 1);
6428	+ }
6429	+ if (!spans.length) return null;
6430	+ return spans;
6431	+ }
6432	+
6433	+ // Used for un/re-doing changes from the history. Combines the
6434	+ // result of computing the existing spans with the set of spans that
6435	+ // existed in the history (so that deleting around a span and then
6436	+ // undoing brings back the span).
6437	+ function mergeOldSpans(doc, change) {
6438	+ var old = getOldSpans(doc, change);
6439	+ var stretched = stretchSpansOverChange(doc, change);
6440	+ if (!old) return stretched;
6441	+ if (!stretched) return old;
6442	+
6443	+ for (var i = 0; i < old.length; ++i) {
6444	+ var oldCur = old[i], stretchCur = stretched[i];
6445	+ if (oldCur && stretchCur) {
6446	+ spans: for (var j = 0; j < stretchCur.length; ++j) {
6447	+ var span = stretchCur[j];
6448	+ for (var k = 0; k < oldCur.length; ++k)
6449	+ if (oldCur[k].marker == span.marker) continue spans;
6450	+ oldCur.push(span);
6451	+ }
6452	+ } else if (stretchCur) {
6453	+ old[i] = stretchCur;
6454	+ }
6455	+ }
6456	+ return old;
6457	+ }
6458	+
6459	+ // Used to 'clip' out readOnly ranges when making a change.
6460	+ function removeReadOnlyRanges(doc, from, to) {
6461	+ var markers = null;
6462	+ doc.iter(from.line, to.line + 1, function(line) {
6463	+ if (line.markedSpans) for (var i = 0; i < line.markedSpans.length; ++i) {
6464	+ var mark = line.markedSpans[i].marker;
6465	+ if (mark.readOnly && (!markers \|\| indexOf(markers, mark) == -1))
6466	+ (markers \|\| (markers = [])).push(mark);
6467	+ }
6468	+ });
6469	+ if (!markers) return null;
6470	+ var parts = [{from: from, to: to}];
6471	+ for (var i = 0; i < markers.length; ++i) {
6472	+ var mk = markers[i], m = mk.find(0);
6473	+ for (var j = 0; j < parts.length; ++j) {
6474	+ var p = parts[j];
6475	+ if (cmp(p.to, m.from) < 0 \|\| cmp(p.from, m.to) > 0) continue;
6476	+ var newParts = [j, 1], dfrom = cmp(p.from, m.from), dto = cmp(p.to, m.to);
6477	+ if (dfrom < 0 \|\| !mk.inclusiveLeft && !dfrom)
6478	+ newParts.push({from: p.from, to: m.from});
6479	+ if (dto > 0 \|\| !mk.inclusiveRight && !dto)
6480	+ newParts.push({from: m.to, to: p.to});
6481	+ parts.splice.apply(parts, newParts);
6482	+ j += newParts.length - 1;
6483	+ }
6484	+ }
6485	+ return parts;
6486	+ }
6487	+
6488	+ // Connect or disconnect spans from a line.
6489	+ function detachMarkedSpans(line) {
6490	+ var spans = line.markedSpans;
6491	+ if (!spans) return;
6492	+ for (var i = 0; i < spans.length; ++i)
6493	+ spans[i].marker.detachLine(line);
6494	+ line.markedSpans = null;
6495	+ }
6496	+ function attachMarkedSpans(line, spans) {
6497	+ if (!spans) return;
6498	+ for (var i = 0; i < spans.length; ++i)
6499	+ spans[i].marker.attachLine(line);
6500	+ line.markedSpans = spans;
6501	+ }
6502	+
6503	+ // Helpers used when computing which overlapping collapsed span
6504	+ // counts as the larger one.
6505	+ function extraLeft(marker) { return marker.inclusiveLeft ? -1 : 0; }
6506	+ function extraRight(marker) { return marker.inclusiveRight ? 1 : 0; }
6507	+
6508	+ // Returns a number indicating which of two overlapping collapsed
6509	+ // spans is larger (and thus includes the other). Falls back to
6510	+ // comparing ids when the spans cover exactly the same range.
6511	+ function compareCollapsedMarkers(a, b) {
6512	+ var lenDiff = a.lines.length - b.lines.length;
6513	+ if (lenDiff != 0) return lenDiff;
6514	+ var aPos = a.find(), bPos = b.find();
6515	+ var fromCmp = cmp(aPos.from, bPos.from) \|\| extraLeft(a) - extraLeft(b);
6516	+ if (fromCmp) return -fromCmp;
6517	+ var toCmp = cmp(aPos.to, bPos.to) \|\| extraRight(a) - extraRight(b);
6518	+ if (toCmp) return toCmp;
6519	+ return b.id - a.id;
6520	+ }
6521	+
6522	+ // Find out whether a line ends or starts in a collapsed span. If
6523	+ // so, return the marker for that span.
6524	+ function collapsedSpanAtSide(line, start) {
6525	+ var sps = sawCollapsedSpans && line.markedSpans, found;
6526	+ if (sps) for (var sp, i = 0; i < sps.length; ++i) {
6527	+ sp = sps[i];
6528	+ if (sp.marker.collapsed && (start ? sp.from : sp.to) == null &&
6529	+ (!found \|\| compareCollapsedMarkers(found, sp.marker) < 0))
6530	+ found = sp.marker;
6531	+ }
6532	+ return found;
6533	+ }
6534	+ function collapsedSpanAtStart(line) { return collapsedSpanAtSide(line, true); }
6535	+ function collapsedSpanAtEnd(line) { return collapsedSpanAtSide(line, false); }
6536	+
6537	+ // Test whether there exists a collapsed span that partially
6538	+ // overlaps (covers the start or end, but not both) of a new span.
6539	+ // Such overlap is not allowed.
6540	+ function conflictingCollapsedRange(doc, lineNo, from, to, marker) {
6541	+ var line = getLine(doc, lineNo);
6542	+ var sps = sawCollapsedSpans && line.markedSpans;
6543	+ if (sps) for (var i = 0; i < sps.length; ++i) {
6544	+ var sp = sps[i];
6545	+ if (!sp.marker.collapsed) continue;
6546	+ var found = sp.marker.find(0);
6547	+ var fromCmp = cmp(found.from, from) \|\| extraLeft(sp.marker) - extraLeft(marker);
6548	+ var toCmp = cmp(found.to, to) \|\| extraRight(sp.marker) - extraRight(marker);
6549	+ if (fromCmp >= 0 && toCmp <= 0 \|\| fromCmp <= 0 && toCmp >= 0) continue;
6550	+ if (fromCmp <= 0 && (cmp(found.to, from) > 0 \|\| (sp.marker.inclusiveRight && marker.inclusiveLeft)) \|\|
6551	+ fromCmp >= 0 && (cmp(found.from, to) < 0 \|\| (sp.marker.inclusiveLeft && marker.inclusiveRight)))
6552	+ return true;
6553	+ }
6554	+ }
6555	+
6556	+ // A visual line is a line as drawn on the screen. Folding, for
6557	+ // example, can cause multiple logical lines to appear on the same
6558	+ // visual line. This finds the start of the visual line that the
6559	+ // given line is part of (usually that is the line itself).
6560	+ function visualLine(line) {
6561	+ var merged;
6562	+ while (merged = collapsedSpanAtStart(line))
6563	+ line = merged.find(-1, true).line;
6564	+ return line;
6565	+ }
6566	+
6567	+ // Returns an array of logical lines that continue the visual line
6568	+ // started by the argument, or undefined if there are no such lines.
6569	+ function visualLineContinued(line) {
6570	+ var merged, lines;
6571	+ while (merged = collapsedSpanAtEnd(line)) {
6572	+ line = merged.find(1, true).line;
6573	+ (lines \|\| (lines = [])).push(line);
6574	+ }
6575	+ return lines;
6576	+ }
6577	+
6578	+ // Get the line number of the start of the visual line that the
6579	+ // given line number is part of.
6580	+ function visualLineNo(doc, lineN) {
6581	+ var line = getLine(doc, lineN), vis = visualLine(line);
6582	+ if (line == vis) return lineN;
6583	+ return lineNo(vis);
6584	+ }
6585	+ // Get the line number of the start of the next visual line after
6586	+ // the given line.
6587	+ function visualLineEndNo(doc, lineN) {
6588	+ if (lineN > doc.lastLine()) return lineN;
6589	+ var line = getLine(doc, lineN), merged;
6590	+ if (!lineIsHidden(doc, line)) return lineN;
6591	+ while (merged = collapsedSpanAtEnd(line))
6592	+ line = merged.find(1, true).line;
6593	+ return lineNo(line) + 1;
6594	+ }
6595	+
6596	+ // Compute whether a line is hidden. Lines count as hidden when they
6597	+ // are part of a visual line that starts with another line, or when
6598	+ // they are entirely covered by collapsed, non-widget span.
6599	+ function lineIsHidden(doc, line) {
6600	+ var sps = sawCollapsedSpans && line.markedSpans;
6601	+ if (sps) for (var sp, i = 0; i < sps.length; ++i) {
6602	+ sp = sps[i];
6603	+ if (!sp.marker.collapsed) continue;
6604	+ if (sp.from == null) return true;
6605	+ if (sp.marker.widgetNode) continue;
6606	+ if (sp.from == 0 && sp.marker.inclusiveLeft && lineIsHiddenInner(doc, line, sp))
6607	+ return true;
6608	+ }
6609	+ }
6610	+ function lineIsHiddenInner(doc, line, span) {
6611	+ if (span.to == null) {
6612	+ var end = span.marker.find(1, true);
6613	+ return lineIsHiddenInner(doc, end.line, getMarkedSpanFor(end.line.markedSpans, span.marker));
6614	+ }
6615	+ if (span.marker.inclusiveRight && span.to == line.text.length)
6616	+ return true;
6617	+ for (var sp, i = 0; i < line.markedSpans.length; ++i) {
6618	+ sp = line.markedSpans[i];
6619	+ if (sp.marker.collapsed && !sp.marker.widgetNode && sp.from == span.to &&
6620	+ (sp.to == null \|\| sp.to != span.from) &&
6621	+ (sp.marker.inclusiveLeft \|\| span.marker.inclusiveRight) &&
6622	+ lineIsHiddenInner(doc, line, sp)) return true;
6623	+ }
6624	+ }
6625	+
6626	+ // LINE WIDGETS
6627	+
6628	+ // Line widgets are block elements displayed above or below a line.
6629	+
6630	+ var LineWidget = CodeMirror.LineWidget = function(doc, node, options) {
6631	+ if (options) for (var opt in options) if (options.hasOwnProperty(opt))
6632	+ this[opt] = options[opt];
6633	+ this.doc = doc;
6634	+ this.node = node;
6635	+ };
6636	+ eventMixin(LineWidget);
6637	+
6638	+ function adjustScrollWhenAboveVisible(cm, line, diff) {
6639	+ if (heightAtLine(line) < ((cm.curOp && cm.curOp.scrollTop) \|\| cm.doc.scrollTop))
6640	+ addToScrollPos(cm, null, diff);
6641	+ }
6642	+
6643	+ LineWidget.prototype.clear = function() {
6644	+ var cm = this.doc.cm, ws = this.line.widgets, line = this.line, no = lineNo(line);
6645	+ if (no == null \|\| !ws) return;
6646	+ for (var i = 0; i < ws.length; ++i) if (ws[i] == this) ws.splice(i--, 1);
6647	+ if (!ws.length) line.widgets = null;
6648	+ var height = widgetHeight(this);
6649	+ updateLineHeight(line, Math.max(0, line.height - height));
6650	+ if (cm) runInOp(cm, function() {
6651	+ adjustScrollWhenAboveVisible(cm, line, -height);
6652	+ regLineChange(cm, no, "widget");
6653	+ });
6654	+ };
6655	+ LineWidget.prototype.changed = function() {
6656	+ var oldH = this.height, cm = this.doc.cm, line = this.line;
6657	+ this.height = null;
6658	+ var diff = widgetHeight(this) - oldH;
6659	+ if (!diff) return;
6660	+ updateLineHeight(line, line.height + diff);
6661	+ if (cm) runInOp(cm, function() {
6662	+ cm.curOp.forceUpdate = true;
6663	+ adjustScrollWhenAboveVisible(cm, line, diff);
6664	+ });
6665	+ };
6666	+
6667	+ function widgetHeight(widget) {
6668	+ if (widget.height != null) return widget.height;
6669	+ var cm = widget.doc.cm;
6670	+ if (!cm) return 0;
6671	+ if (!contains(document.body, widget.node)) {
6672	+ var parentStyle = "position: relative;";
6673	+ if (widget.coverGutter)
6674	+ parentStyle += "margin-left: -" + cm.display.gutters.offsetWidth + "px;";
6675	+ if (widget.noHScroll)
6676	+ parentStyle += "width: " + cm.display.wrapper.clientWidth + "px;";
6677	+ removeChildrenAndAdd(cm.display.measure, elt("div", [widget.node], null, parentStyle));
6678	+ }
6679	+ return widget.height = widget.node.parentNode.offsetHeight;
6680	+ }
6681	+
6682	+ function addLineWidget(doc, handle, node, options) {
6683	+ var widget = new LineWidget(doc, node, options);
6684	+ var cm = doc.cm;
6685	+ if (cm && widget.noHScroll) cm.display.alignWidgets = true;
6686	+ changeLine(doc, handle, "widget", function(line) {
6687	+ var widgets = line.widgets \|\| (line.widgets = []);
6688	+ if (widget.insertAt == null) widgets.push(widget);
6689	+ else widgets.splice(Math.min(widgets.length - 1, Math.max(0, widget.insertAt)), 0, widget);
6690	+ widget.line = line;
6691	+ if (cm && !lineIsHidden(doc, line)) {
6692	+ var aboveVisible = heightAtLine(line) < doc.scrollTop;
6693	+ updateLineHeight(line, line.height + widgetHeight(widget));
6694	+ if (aboveVisible) addToScrollPos(cm, null, widget.height);
6695	+ cm.curOp.forceUpdate = true;
6696	+ }
6697	+ return true;
6698	+ });
6699	+ return widget;
6700	+ }
6701	+
6702	+ // LINE DATA STRUCTURE
6703	+
6704	+ // Line objects. These hold state related to a line, including
6705	+ // highlighting info (the styles array).
6706	+ var Line = CodeMirror.Line = function(text, markedSpans, estimateHeight) {
6707	+ this.text = text;
6708	+ attachMarkedSpans(this, markedSpans);
6709	+ this.height = estimateHeight ? estimateHeight(this) : 1;
6710	+ };
6711	+ eventMixin(Line);
6712	+ Line.prototype.lineNo = function() { return lineNo(this); };
6713	+
6714	+ // Change the content (text, markers) of a line. Automatically
6715	+ // invalidates cached information and tries to re-estimate the
6716	+ // line's height.
6717	+ function updateLine(line, text, markedSpans, estimateHeight) {
6718	+ line.text = text;
6719	+ if (line.stateAfter) line.stateAfter = null;
6720	+ if (line.styles) line.styles = null;
6721	+ if (line.order != null) line.order = null;
6722	+ detachMarkedSpans(line);
6723	+ attachMarkedSpans(line, markedSpans);
6724	+ var estHeight = estimateHeight ? estimateHeight(line) : 1;
6725	+ if (estHeight != line.height) updateLineHeight(line, estHeight);
6726	+ }
6727	+
6728	+ // Detach a line from the document tree and its markers.
6729	+ function cleanUpLine(line) {
6730	+ line.parent = null;
6731	+ detachMarkedSpans(line);
6732	+ }
6733	+
6734	+ function extractLineClasses(type, output) {
6735	+ if (type) for (;;) {
6736	+ var lineClass = type.match(/(?:^\|\s+)line-(background-)?(\S+)/);
6737	+ if (!lineClass) break;
6738	+ type = type.slice(0, lineClass.index) + type.slice(lineClass.index + lineClass[0].length);
6739	+ var prop = lineClass[1] ? "bgClass" : "textClass";
6740	+ if (output[prop] == null)
6741	+ output[prop] = lineClass[2];
6742	+ else if (!(new RegExp("(?:^\|\s)" + lineClass[2] + "(?:$\|\s)")).test(output[prop]))
6743	+ output[prop] += " " + lineClass[2];
6744	+ }
6745	+ return type;
6746	+ }
6747	+
6748	+ function callBlankLine(mode, state) {
6749	+ if (mode.blankLine) return mode.blankLine(state);
6750	+ if (!mode.innerMode) return;
6751	+ var inner = CodeMirror.innerMode(mode, state);
6752	+ if (inner.mode.blankLine) return inner.mode.blankLine(inner.state);
6753	+ }
6754	+
6755	+ function readToken(mode, stream, state, inner) {
6756	+ for (var i = 0; i < 10; i++) {
6757	+ if (inner) inner[0] = CodeMirror.innerMode(mode, state).mode;
6758	+ var style = mode.token(stream, state);
6759	+ if (stream.pos > stream.start) return style;
6760	+ }
6761	+ throw new Error("Mode " + mode.name + " failed to advance stream.");
6762	+ }
6763	+
6764	+ // Utility for getTokenAt and getLineTokens
6765	+ function takeToken(cm, pos, precise, asArray) {
6766	+ function getObj(copy) {
6767	+ return {start: stream.start, end: stream.pos,
6768	+ string: stream.current(),
6769	+ type: style \|\| null,
6770	+ state: copy ? copyState(doc.mode, state) : state};
6771	+ }
6772	+
6773	+ var doc = cm.doc, mode = doc.mode, style;
6774	+ pos = clipPos(doc, pos);
6775	+ var line = getLine(doc, pos.line), state = getStateBefore(cm, pos.line, precise);
6776	+ var stream = new StringStream(line.text, cm.options.tabSize), tokens;
6777	+ if (asArray) tokens = [];
6778	+ while ((asArray \|\| stream.pos < pos.ch) && !stream.eol()) {
6779	+ stream.start = stream.pos;
6780	+ style = readToken(mode, stream, state);
6781	+ if (asArray) tokens.push(getObj(true));
6782	+ }
6783	+ return asArray ? tokens : getObj();
6784	+ }
6785	+
6786	+ // Run the given mode's parser over a line, calling f for each token.
6787	+ function runMode(cm, text, mode, state, f, lineClasses, forceToEnd) {
6788	+ var flattenSpans = mode.flattenSpans;
6789	+ if (flattenSpans == null) flattenSpans = cm.options.flattenSpans;
6790	+ var curStart = 0, curStyle = null;
6791	+ var stream = new StringStream(text, cm.options.tabSize), style;
6792	+ var inner = cm.options.addModeClass && [null];
6793	+ if (text == "") extractLineClasses(callBlankLine(mode, state), lineClasses);
6794	+ while (!stream.eol()) {
6795	+ if (stream.pos > cm.options.maxHighlightLength) {
6796	+ flattenSpans = false;
6797	+ if (forceToEnd) processLine(cm, text, state, stream.pos);
6798	+ stream.pos = text.length;
6799	+ style = null;
6800	+ } else {
6801	+ style = extractLineClasses(readToken(mode, stream, state, inner), lineClasses);
6802	+ }
6803	+ if (inner) {
6804	+ var mName = inner[0].name;
6805	+ if (mName) style = "m-" + (style ? mName + " " + style : mName);
6806	+ }
6807	+ if (!flattenSpans \|\| curStyle != style) {
6808	+ while (curStart < stream.start) {
6809	+ curStart = Math.min(stream.start, curStart + 50000);
6810	+ f(curStart, curStyle);
6811	+ }
6812	+ curStyle = style;
6813	+ }
6814	+ stream.start = stream.pos;
6815	+ }
6816	+ while (curStart < stream.pos) {
6817	+ // Webkit seems to refuse to render text nodes longer than 57444 characters
6818	+ var pos = Math.min(stream.pos, curStart + 50000);
6819	+ f(pos, curStyle);
6820	+ curStart = pos;
6821	+ }
6822	+ }
6823	+
6824	+ // Compute a style array (an array starting with a mode generation
6825	+ // -- for invalidation -- followed by pairs of end positions and
6826	+ // style strings), which is used to highlight the tokens on the
6827	+ // line.
6828	+ function highlightLine(cm, line, state, forceToEnd) {
6829	+ // A styles array always starts with a number identifying the
6830	+ // mode/overlays that it is based on (for easy invalidation).
6831	+ var st = [cm.state.modeGen], lineClasses = {};
6832	+ // Compute the base array of styles
6833	+ runMode(cm, line.text, cm.doc.mode, state, function(end, style) {
6834	+ st.push(end, style);
6835	+ }, lineClasses, forceToEnd);
6836	+
6837	+ // Run overlays, adjust style array.
6838	+ for (var o = 0; o < cm.state.overlays.length; ++o) {
6839	+ var overlay = cm.state.overlays[o], i = 1, at = 0;
6840	+ runMode(cm, line.text, overlay.mode, true, function(end, style) {
6841	+ var start = i;
6842	+ // Ensure there's a token end at the current position, and that i points at it
6843	+ while (at < end) {
6844	+ var i_end = st[i];
6845	+ if (i_end > end)
6846	+ st.splice(i, 1, end, st[i+1], i_end);
6847	+ i += 2;
6848	+ at = Math.min(end, i_end);
6849	+ }
6850	+ if (!style) return;
6851	+ if (overlay.opaque) {
6852	+ st.splice(start, i - start, end, "cm-overlay " + style);
6853	+ i = start + 2;
6854	+ } else {
6855	+ for (; start < i; start += 2) {
6856	+ var cur = st[start+1];
6857	+ st[start+1] = (cur ? cur + " " : "") + "cm-overlay " + style;
6858	+ }
6859	+ }
6860	+ }, lineClasses);
6861	+ }
6862	+
6863	+ return {styles: st, classes: lineClasses.bgClass \|\| lineClasses.textClass ? lineClasses : null};
6864	+ }
6865	+
6866	+ function getLineStyles(cm, line, updateFrontier) {
6867	+ if (!line.styles \|\| line.styles[0] != cm.state.modeGen) {
6868	+ var state = getStateBefore(cm, lineNo(line));
6869	+ var result = highlightLine(cm, line, line.text.length > cm.options.maxHighlightLength ? copyState(cm.doc.mode, state) : state);
6870	+ line.stateAfter = state;
6871	+ line.styles = result.styles;
6872	+ if (result.classes) line.styleClasses = result.classes;
6873	+ else if (line.styleClasses) line.styleClasses = null;
6874	+ if (updateFrontier === cm.doc.frontier) cm.doc.frontier++;
6875	+ }
6876	+ return line.styles;
6877	+ }
6878	+
6879	+ // Lightweight form of highlight -- proceed over this line and
6880	+ // update state, but don't save a style array. Used for lines that
6881	+ // aren't currently visible.
6882	+ function processLine(cm, text, state, startAt) {
6883	+ var mode = cm.doc.mode;
6884	+ var stream = new StringStream(text, cm.options.tabSize);
6885	+ stream.start = stream.pos = startAt \|\| 0;
6886	+ if (text == "") callBlankLine(mode, state);
6887	+ while (!stream.eol()) {
6888	+ readToken(mode, stream, state);
6889	+ stream.start = stream.pos;
6890	+ }
6891	+ }
6892	+
6893	+ // Convert a style as returned by a mode (either null, or a string
6894	+ // containing one or more styles) to a CSS style. This is cached,
6895	+ // and also looks for line-wide styles.
6896	+ var styleToClassCache = {}, styleToClassCacheWithMode = {};
6897	+ function interpretTokenStyle(style, options) {
6898	+ if (!style \|\| /^\s*$/.test(style)) return null;
6899	+ var cache = options.addModeClass ? styleToClassCacheWithMode : styleToClassCache;
6900	+ return cache[style] \|\|
6901	+ (cache[style] = style.replace(/\S+/g, "cm-$&"));
6902	+ }
6903	+
6904	+ // Render the DOM representation of the text of a line. Also builds
6905	+ // up a 'line map', which points at the DOM nodes that represent
6906	+ // specific stretches of text, and is used by the measuring code.
6907	+ // The returned object contains the DOM node, this map, and
6908	+ // information about line-wide styles that were set by the mode.
6909	+ function buildLineContent(cm, lineView) {
6910	+ // The padding-right forces the element to have a 'border', which
6911	+ // is needed on Webkit to be able to get line-level bounding
6912	+ // rectangles for it (in measureChar).
6913	+ var content = elt("span", null, null, webkit ? "padding-right: .1px" : null);
6914	+ var builder = {pre: elt("pre", [content], "CodeMirror-line"), content: content,
6915	+ col: 0, pos: 0, cm: cm,
6916	+ splitSpaces: (ie \|\| webkit) && cm.getOption("lineWrapping")};
6917	+ lineView.measure = {};
6918	+
6919	+ // Iterate over the logical lines that make up this visual line.
6920	+ for (var i = 0; i <= (lineView.rest ? lineView.rest.length : 0); i++) {
6921	+ var line = i ? lineView.rest[i - 1] : lineView.line, order;
6922	+ builder.pos = 0;
6923	+ builder.addToken = buildToken;
6924	+ // Optionally wire in some hacks into the token-rendering
6925	+ // algorithm, to deal with browser quirks.
6926	+ if (hasBadBidiRects(cm.display.measure) && (order = getOrder(line)))
6927	+ builder.addToken = buildTokenBadBidi(builder.addToken, order);
6928	+ builder.map = [];
6929	+ var allowFrontierUpdate = lineView != cm.display.externalMeasured && lineNo(line);
6930	+ insertLineContent(line, builder, getLineStyles(cm, line, allowFrontierUpdate));
6931	+ if (line.styleClasses) {
6932	+ if (line.styleClasses.bgClass)
6933	+ builder.bgClass = joinClasses(line.styleClasses.bgClass, builder.bgClass \|\| "");
6934	+ if (line.styleClasses.textClass)
6935	+ builder.textClass = joinClasses(line.styleClasses.textClass, builder.textClass \|\| "");
6936	+ }
6937	+
6938	+ // Ensure at least a single node is present, for measuring.
6939	+ if (builder.map.length == 0)
6940	+ builder.map.push(0, 0, builder.content.appendChild(zeroWidthElement(cm.display.measure)));
6941	+
6942	+ // Store the map and a cache object for the current logical line
6943	+ if (i == 0) {
6944	+ lineView.measure.map = builder.map;
6945	+ lineView.measure.cache = {};
6946	+ } else {
6947	+ (lineView.measure.maps \|\| (lineView.measure.maps = [])).push(builder.map);
6948	+ (lineView.measure.caches \|\| (lineView.measure.caches = [])).push({});
6949	+ }
6950	+ }
6951	+
6952	+ // See issue #2901
6953	+ if (webkit && /\bcm-tab\b/.test(builder.content.lastChild.className))
6954	+ builder.content.className = "cm-tab-wrap-hack";
6955	+
6956	+ signal(cm, "renderLine", cm, lineView.line, builder.pre);
6957	+ if (builder.pre.className)
6958	+ builder.textClass = joinClasses(builder.pre.className, builder.textClass \|\| "");
6959	+
6960	+ return builder;
6961	+ }
6962	+
6963	+ function defaultSpecialCharPlaceholder(ch) {
6964	+ var token = elt("span", "\u2022", "cm-invalidchar");
6965	+ token.title = "\\u" + ch.charCodeAt(0).toString(16);
6966	+ token.setAttribute("aria-label", token.title);
6967	+ return token;
6968	+ }
6969	+
6970	+ // Build up the DOM representation for a single token, and add it to
6971	+ // the line map. Takes care to render special characters separately.
6972	+ function buildToken(builder, text, style, startStyle, endStyle, title, css) {
6973	+ if (!text) return;
6974	+ var displayText = builder.splitSpaces ? text.replace(/ {3,}/g, splitSpaces) : text;
6975	+ var special = builder.cm.state.specialChars, mustWrap = false;
6976	+ if (!special.test(text)) {
6977	+ builder.col += text.length;
6978	+ var content = document.createTextNode(displayText);
6979	+ builder.map.push(builder.pos, builder.pos + text.length, content);
6980	+ if (ie && ie_version < 9) mustWrap = true;
6981	+ builder.pos += text.length;
6982	+ } else {
6983	+ var content = document.createDocumentFragment(), pos = 0;
6984	+ while (true) {
6985	+ special.lastIndex = pos;
6986	+ var m = special.exec(text);
6987	+ var skipped = m ? m.index - pos : text.length - pos;
6988	+ if (skipped) {
6989	+ var txt = document.createTextNode(displayText.slice(pos, pos + skipped));
6990	+ if (ie && ie_version < 9) content.appendChild(elt("span", [txt]));
6991	+ else content.appendChild(txt);
6992	+ builder.map.push(builder.pos, builder.pos + skipped, txt);
6993	+ builder.col += skipped;
6994	+ builder.pos += skipped;
6995	+ }
6996	+ if (!m) break;
6997	+ pos += skipped + 1;
6998	+ if (m[0] == "\t") {
6999	+ var tabSize = builder.cm.options.tabSize, tabWidth = tabSize - builder.col % tabSize;
7000	+ var txt = content.appendChild(elt("span", spaceStr(tabWidth), "cm-tab"));
7001	+ txt.setAttribute("role", "presentation");
7002	+ txt.setAttribute("cm-text", "\t");
7003	+ builder.col += tabWidth;
7004	+ } else if (m[0] == "\r" \|\| m[0] == "\n") {
7005	+ var txt = content.appendChild(elt("span", m[0] == "\r" ? "\u240d" : "\u2424", "cm-invalidchar"));
7006	+ txt.setAttribute("cm-text", m[0]);
7007	+ builder.col += 1;
7008	+ } else {
7009	+ var txt = builder.cm.options.specialCharPlaceholder(m[0]);
7010	+ txt.setAttribute("cm-text", m[0]);
7011	+ if (ie && ie_version < 9) content.appendChild(elt("span", [txt]));
7012	+ else content.appendChild(txt);
7013	+ builder.col += 1;
7014	+ }
7015	+ builder.map.push(builder.pos, builder.pos + 1, txt);
7016	+ builder.pos++;
7017	+ }
7018	+ }
7019	+ if (style \|\| startStyle \|\| endStyle \|\| mustWrap \|\| css) {
7020	+ var fullStyle = style \|\| "";
7021	+ if (startStyle) fullStyle += startStyle;
7022	+ if (endStyle) fullStyle += endStyle;
7023	+ var token = elt("span", [content], fullStyle, css);
7024	+ if (title) token.title = title;
7025	+ return builder.content.appendChild(token);
7026	+ }
7027	+ builder.content.appendChild(content);
7028	+ }
7029	+
7030	+ function splitSpaces(old) {
7031	+ var out = " ";
7032	+ for (var i = 0; i < old.length - 2; ++i) out += i % 2 ? " " : "\u00a0";
7033	+ out += " ";
7034	+ return out;
7035	+ }
7036	+
7037	+ // Work around nonsense dimensions being reported for stretches of
7038	+ // right-to-left text.
7039	+ function buildTokenBadBidi(inner, order) {
7040	+ return function(builder, text, style, startStyle, endStyle, title, css) {
7041	+ style = style ? style + " cm-force-border" : "cm-force-border";
7042	+ var start = builder.pos, end = start + text.length;
7043	+ for (;;) {
7044	+ // Find the part that overlaps with the start of this text
7045	+ for (var i = 0; i < order.length; i++) {
7046	+ var part = order[i];
7047	+ if (part.to > start && part.from <= start) break;
7048	+ }
7049	+ if (part.to >= end) return inner(builder, text, style, startStyle, endStyle, title, css);
7050	+ inner(builder, text.slice(0, part.to - start), style, startStyle, null, title, css);
7051	+ startStyle = null;
7052	+ text = text.slice(part.to - start);
7053	+ start = part.to;
7054	+ }
7055	+ };
7056	+ }
7057	+
7058	+ function buildCollapsedSpan(builder, size, marker, ignoreWidget) {
7059	+ var widget = !ignoreWidget && marker.widgetNode;
7060	+ if (widget) builder.map.push(builder.pos, builder.pos + size, widget);
7061	+ if (!ignoreWidget && builder.cm.display.input.needsContentAttribute) {
7062	+ if (!widget)
7063	+ widget = builder.content.appendChild(document.createElement("span"));
7064	+ widget.setAttribute("cm-marker", marker.id);
7065	+ }
7066	+ if (widget) {
7067	+ builder.cm.display.input.setUneditable(widget);
7068	+ builder.content.appendChild(widget);
7069	+ }
7070	+ builder.pos += size;
7071	+ }
7072	+
7073	+ // Outputs a number of spans to make up a line, taking highlighting
7074	+ // and marked text into account.
7075	+ function insertLineContent(line, builder, styles) {
7076	+ var spans = line.markedSpans, allText = line.text, at = 0;
7077	+ if (!spans) {
7078	+ for (var i = 1; i < styles.length; i+=2)
7079	+ builder.addToken(builder, allText.slice(at, at = styles[i]), interpretTokenStyle(styles[i+1], builder.cm.options));
7080	+ return;
7081	+ }
7082	+
7083	+ var len = allText.length, pos = 0, i = 1, text = "", style, css;
7084	+ var nextChange = 0, spanStyle, spanEndStyle, spanStartStyle, title, collapsed;
7085	+ for (;;) {
7086	+ if (nextChange == pos) { // Update current marker set
7087	+ spanStyle = spanEndStyle = spanStartStyle = title = css = "";
7088	+ collapsed = null; nextChange = Infinity;
7089	+ var foundBookmarks = [];
7090	+ for (var j = 0; j < spans.length; ++j) {
7091	+ var sp = spans[j], m = sp.marker;
7092	+ if (m.type == "bookmark" && sp.from == pos && m.widgetNode) {
7093	+ foundBookmarks.push(m);
7094	+ } else if (sp.from <= pos && (sp.to == null \|\| sp.to > pos \|\| m.collapsed && sp.to == pos && sp.from == pos)) {
7095	+ if (sp.to != null && sp.to != pos && nextChange > sp.to) {
7096	+ nextChange = sp.to;
7097	+ spanEndStyle = "";
7098	+ }
7099	+ if (m.className) spanStyle += " " + m.className;
7100	+ if (m.css) css = (css ? css + ";" : "") + m.css;
7101	+ if (m.startStyle && sp.from == pos) spanStartStyle += " " + m.startStyle;
7102	+ if (m.endStyle && sp.to == nextChange) spanEndStyle += " " + m.endStyle;
7103	+ if (m.title && !title) title = m.title;
7104	+ if (m.collapsed && (!collapsed \|\| compareCollapsedMarkers(collapsed.marker, m) < 0))
7105	+ collapsed = sp;
7106	+ } else if (sp.from > pos && nextChange > sp.from) {
7107	+ nextChange = sp.from;
7108	+ }
7109	+ }
7110	+ if (collapsed && (collapsed.from \|\| 0) == pos) {
7111	+ buildCollapsedSpan(builder, (collapsed.to == null ? len + 1 : collapsed.to) - pos,
7112	+ collapsed.marker, collapsed.from == null);
7113	+ if (collapsed.to == null) return;
7114	+ if (collapsed.to == pos) collapsed = false;
7115	+ }
7116	+ if (!collapsed && foundBookmarks.length) for (var j = 0; j < foundBookmarks.length; ++j)
7117	+ buildCollapsedSpan(builder, 0, foundBookmarks[j]);
7118	+ }
7119	+ if (pos >= len) break;
7120	+
7121	+ var upto = Math.min(len, nextChange);
7122	+ while (true) {
7123	+ if (text) {
7124	+ var end = pos + text.length;
7125	+ if (!collapsed) {
7126	+ var tokenText = end > upto ? text.slice(0, upto - pos) : text;
7127	+ builder.addToken(builder, tokenText, style ? style + spanStyle : spanStyle,
7128	+ spanStartStyle, pos + tokenText.length == nextChange ? spanEndStyle : "", title, css);
7129	+ }
7130	+ if (end >= upto) {text = text.slice(upto - pos); pos = upto; break;}
7131	+ pos = end;
7132	+ spanStartStyle = "";
7133	+ }
7134	+ text = allText.slice(at, at = styles[i++]);
7135	+ style = interpretTokenStyle(styles[i++], builder.cm.options);
7136	+ }
7137	+ }
7138	+ }
7139	+
7140	+ // DOCUMENT DATA STRUCTURE
7141	+
7142	+ // By default, updates that start and end at the beginning of a line
7143	+ // are treated specially, in order to make the association of line
7144	+ // widgets and marker elements with the text behave more intuitive.
7145	+ function isWholeLineUpdate(doc, change) {
7146	+ return change.from.ch == 0 && change.to.ch == 0 && lst(change.text) == "" &&
7147	+ (!doc.cm \|\| doc.cm.options.wholeLineUpdateBefore);
7148	+ }
7149	+
7150	+ // Perform a change on the document data structure.
7151	+ function updateDoc(doc, change, markedSpans, estimateHeight) {
7152	+ function spansFor(n) {return markedSpans ? markedSpans[n] : null;}
7153	+ function update(line, text, spans) {
7154	+ updateLine(line, text, spans, estimateHeight);
7155	+ signalLater(line, "change", line, change);
7156	+ }
7157	+ function linesFor(start, end) {
7158	+ for (var i = start, result = []; i < end; ++i)
7159	+ result.push(new Line(text[i], spansFor(i), estimateHeight));
7160	+ return result;
7161	+ }
7162	+
7163	+ var from = change.from, to = change.to, text = change.text;
7164	+ var firstLine = getLine(doc, from.line), lastLine = getLine(doc, to.line);
7165	+ var lastText = lst(text), lastSpans = spansFor(text.length - 1), nlines = to.line - from.line;
7166	+
7167	+ // Adjust the line structure
7168	+ if (change.full) {
7169	+ doc.insert(0, linesFor(0, text.length));
7170	+ doc.remove(text.length, doc.size - text.length);
7171	+ } else if (isWholeLineUpdate(doc, change)) {
7172	+ // This is a whole-line replace. Treated specially to make
7173	+ // sure line objects move the way they are supposed to.
7174	+ var added = linesFor(0, text.length - 1);
7175	+ update(lastLine, lastLine.text, lastSpans);
7176	+ if (nlines) doc.remove(from.line, nlines);
7177	+ if (added.length) doc.insert(from.line, added);
7178	+ } else if (firstLine == lastLine) {
7179	+ if (text.length == 1) {
7180	+ update(firstLine, firstLine.text.slice(0, from.ch) + lastText + firstLine.text.slice(to.ch), lastSpans);
7181	+ } else {
7182	+ var added = linesFor(1, text.length - 1);
7183	+ added.push(new Line(lastText + firstLine.text.slice(to.ch), lastSpans, estimateHeight));
7184	+ update(firstLine, firstLine.text.slice(0, from.ch) + text[0], spansFor(0));
7185	+ doc.insert(from.line + 1, added);
7186	+ }
7187	+ } else if (text.length == 1) {
7188	+ update(firstLine, firstLine.text.slice(0, from.ch) + text[0] + lastLine.text.slice(to.ch), spansFor(0));
7189	+ doc.remove(from.line + 1, nlines);
7190	+ } else {
7191	+ update(firstLine, firstLine.text.slice(0, from.ch) + text[0], spansFor(0));
7192	+ update(lastLine, lastText + lastLine.text.slice(to.ch), lastSpans);
7193	+ var added = linesFor(1, text.length - 1);
7194	+ if (nlines > 1) doc.remove(from.line + 1, nlines - 1);
7195	+ doc.insert(from.line + 1, added);
7196	+ }
7197	+
7198	+ signalLater(doc, "change", doc, change);
7199	+ }
7200	+
7201	+ // The document is represented as a BTree consisting of leaves, with
7202	+ // chunk of lines in them, and branches, with up to ten leaves or
7203	+ // other branch nodes below them. The top node is always a branch
7204	+ // node, and is the document object itself (meaning it has
7205	+ // additional methods and properties).
7206	+ //
7207	+ // All nodes have parent links. The tree is used both to go from
7208	+ // line numbers to line objects, and to go from objects to numbers.
7209	+ // It also indexes by height, and is used to convert between height
7210	+ // and line object, and to find the total height of the document.
7211	+ //
7212	+ // See also http://marijnhaverbeke.nl/blog/codemirror-line-tree.html
7213	+
7214	+ function LeafChunk(lines) {
7215	+ this.lines = lines;
7216	+ this.parent = null;
7217	+ for (var i = 0, height = 0; i < lines.length; ++i) {
7218	+ lines[i].parent = this;
7219	+ height += lines[i].height;
7220	+ }
7221	+ this.height = height;
7222	+ }
7223	+
7224	+ LeafChunk.prototype = {
7225	+ chunkSize: function() { return this.lines.length; },
7226	+ // Remove the n lines at offset 'at'.
7227	+ removeInner: function(at, n) {
7228	+ for (var i = at, e = at + n; i < e; ++i) {
7229	+ var line = this.lines[i];
7230	+ this.height -= line.height;
7231	+ cleanUpLine(line);
7232	+ signalLater(line, "delete");
7233	+ }
7234	+ this.lines.splice(at, n);
7235	+ },
7236	+ // Helper used to collapse a small branch into a single leaf.
7237	+ collapse: function(lines) {
7238	+ lines.push.apply(lines, this.lines);
7239	+ },
7240	+ // Insert the given array of lines at offset 'at', count them as
7241	+ // having the given height.
7242	+ insertInner: function(at, lines, height) {
7243	+ this.height += height;
7244	+ this.lines = this.lines.slice(0, at).concat(lines).concat(this.lines.slice(at));
7245	+ for (var i = 0; i < lines.length; ++i) lines[i].parent = this;
7246	+ },
7247	+ // Used to iterate over a part of the tree.
7248	+ iterN: function(at, n, op) {
7249	+ for (var e = at + n; at < e; ++at)
7250	+ if (op(this.lines[at])) return true;
7251	+ }
7252	+ };
7253	+
7254	+ function BranchChunk(children) {
7255	+ this.children = children;
7256	+ var size = 0, height = 0;
7257	+ for (var i = 0; i < children.length; ++i) {
7258	+ var ch = children[i];
7259	+ size += ch.chunkSize(); height += ch.height;
7260	+ ch.parent = this;
7261	+ }
7262	+ this.size = size;
7263	+ this.height = height;
7264	+ this.parent = null;
7265	+ }
7266	+
7267	+ BranchChunk.prototype = {
7268	+ chunkSize: function() { return this.size; },
7269	+ removeInner: function(at, n) {
7270	+ this.size -= n;
7271	+ for (var i = 0; i < this.children.length; ++i) {
7272	+ var child = this.children[i], sz = child.chunkSize();
7273	+ if (at < sz) {
7274	+ var rm = Math.min(n, sz - at), oldHeight = child.height;
7275	+ child.removeInner(at, rm);
7276	+ this.height -= oldHeight - child.height;
7277	+ if (sz == rm) { this.children.splice(i--, 1); child.parent = null; }
7278	+ if ((n -= rm) == 0) break;
7279	+ at = 0;
7280	+ } else at -= sz;
7281	+ }
7282	+ // If the result is smaller than 25 lines, ensure that it is a
7283	+ // single leaf node.
7284	+ if (this.size - n < 25 &&
7285	+ (this.children.length > 1 \|\| !(this.children[0] instanceof LeafChunk))) {
7286	+ var lines = [];
7287	+ this.collapse(lines);
7288	+ this.children = [new LeafChunk(lines)];
7289	+ this.children[0].parent = this;
7290	+ }
7291	+ },
7292	+ collapse: function(lines) {
7293	+ for (var i = 0; i < this.children.length; ++i) this.children[i].collapse(lines);
7294	+ },
7295	+ insertInner: function(at, lines, height) {
7296	+ this.size += lines.length;
7297	+ this.height += height;
7298	+ for (var i = 0; i < this.children.length; ++i) {
7299	+ var child = this.children[i], sz = child.chunkSize();
7300	+ if (at <= sz) {
7301	+ child.insertInner(at, lines, height);
7302	+ if (child.lines && child.lines.length > 50) {
7303	+ while (child.lines.length > 50) {
7304	+ var spilled = child.lines.splice(child.lines.length - 25, 25);
7305	+ var newleaf = new LeafChunk(spilled);
7306	+ child.height -= newleaf.height;
7307	+ this.children.splice(i + 1, 0, newleaf);
7308	+ newleaf.parent = this;
7309	+ }
7310	+ this.maybeSpill();
7311	+ }
7312	+ break;
7313	+ }
7314	+ at -= sz;
7315	+ }
7316	+ },
7317	+ // When a node has grown, check whether it should be split.
7318	+ maybeSpill: function() {
7319	+ if (this.children.length <= 10) return;
7320	+ var me = this;
7321	+ do {
7322	+ var spilled = me.children.splice(me.children.length - 5, 5);
7323	+ var sibling = new BranchChunk(spilled);
7324	+ if (!me.parent) { // Become the parent node
7325	+ var copy = new BranchChunk(me.children);
7326	+ copy.parent = me;
7327	+ me.children = [copy, sibling];
7328	+ me = copy;
7329	+ } else {
7330	+ me.size -= sibling.size;
7331	+ me.height -= sibling.height;
7332	+ var myIndex = indexOf(me.parent.children, me);
7333	+ me.parent.children.splice(myIndex + 1, 0, sibling);
7334	+ }
7335	+ sibling.parent = me.parent;
7336	+ } while (me.children.length > 10);
7337	+ me.parent.maybeSpill();
7338	+ },
7339	+ iterN: function(at, n, op) {
7340	+ for (var i = 0; i < this.children.length; ++i) {
7341	+ var child = this.children[i], sz = child.chunkSize();
7342	+ if (at < sz) {
7343	+ var used = Math.min(n, sz - at);
7344	+ if (child.iterN(at, used, op)) return true;
7345	+ if ((n -= used) == 0) break;
7346	+ at = 0;
7347	+ } else at -= sz;
7348	+ }
7349	+ }
7350	+ };
7351	+
7352	+ var nextDocId = 0;
7353	+ var Doc = CodeMirror.Doc = function(text, mode, firstLine, lineSep) {
7354	+ if (!(this instanceof Doc)) return new Doc(text, mode, firstLine, lineSep);
7355	+ if (firstLine == null) firstLine = 0;
7356	+
7357	+ BranchChunk.call(this, [new LeafChunk([new Line("", null)])]);
7358	+ this.first = firstLine;
7359	+ this.scrollTop = this.scrollLeft = 0;
7360	+ this.cantEdit = false;
7361	+ this.cleanGeneration = 1;
7362	+ this.frontier = firstLine;
7363	+ var start = Pos(firstLine, 0);
7364	+ this.sel = simpleSelection(start);
7365	+ this.history = new History(null);
7366	+ this.id = ++nextDocId;
7367	+ this.modeOption = mode;
7368	+ this.lineSep = lineSep;
7369	+ this.extend = false;
7370	+
7371	+ if (typeof text == "string") text = this.splitLines(text);
7372	+ updateDoc(this, {from: start, to: start, text: text});
7373	+ setSelection(this, simpleSelection(start), sel_dontScroll);
7374	+ };
7375	+
7376	+ Doc.prototype = createObj(BranchChunk.prototype, {
7377	+ constructor: Doc,
7378	+ // Iterate over the document. Supports two forms -- with only one
7379	+ // argument, it calls that for each line in the document. With
7380	+ // three, it iterates over the range given by the first two (with
7381	+ // the second being non-inclusive).
7382	+ iter: function(from, to, op) {
7383	+ if (op) this.iterN(from - this.first, to - from, op);
7384	+ else this.iterN(this.first, this.first + this.size, from);
7385	+ },
7386	+
7387	+ // Non-public interface for adding and removing lines.
7388	+ insert: function(at, lines) {
7389	+ var height = 0;
7390	+ for (var i = 0; i < lines.length; ++i) height += lines[i].height;
7391	+ this.insertInner(at - this.first, lines, height);
7392	+ },
7393	+ remove: function(at, n) { this.removeInner(at - this.first, n); },
7394	+
7395	+ // From here, the methods are part of the public interface. Most
7396	+ // are also available from CodeMirror (editor) instances.
7397	+
7398	+ getValue: function(lineSep) {
7399	+ var lines = getLines(this, this.first, this.first + this.size);
7400	+ if (lineSep === false) return lines;
7401	+ return lines.join(lineSep \|\| this.lineSeparator());
7402	+ },
7403	+ setValue: docMethodOp(function(code) {
7404	+ var top = Pos(this.first, 0), last = this.first + this.size - 1;
7405	+ makeChange(this, {from: top, to: Pos(last, getLine(this, last).text.length),
7406	+ text: this.splitLines(code), origin: "setValue", full: true}, true);
7407	+ setSelection(this, simpleSelection(top));
7408	+ }),
7409	+ replaceRange: function(code, from, to, origin) {
7410	+ from = clipPos(this, from);
7411	+ to = to ? clipPos(this, to) : from;
7412	+ replaceRange(this, code, from, to, origin);
7413	+ },
7414	+ getRange: function(from, to, lineSep) {
7415	+ var lines = getBetween(this, clipPos(this, from), clipPos(this, to));
7416	+ if (lineSep === false) return lines;
7417	+ return lines.join(lineSep \|\| this.lineSeparator());
7418	+ },
7419	+
7420	+ getLine: function(line) {var l = this.getLineHandle(line); return l && l.text;},
7421	+
7422	+ getLineHandle: function(line) {if (isLine(this, line)) return getLine(this, line);},
7423	+ getLineNumber: function(line) {return lineNo(line);},
7424	+
7425	+ getLineHandleVisualStart: function(line) {
7426	+ if (typeof line == "number") line = getLine(this, line);
7427	+ return visualLine(line);
7428	+ },
7429	+
7430	+ lineCount: function() {return this.size;},
7431	+ firstLine: function() {return this.first;},
7432	+ lastLine: function() {return this.first + this.size - 1;},
7433	+
7434	+ clipPos: function(pos) {return clipPos(this, pos);},
7435	+
7436	+ getCursor: function(start) {
7437	+ var range = this.sel.primary(), pos;
7438	+ if (start == null \|\| start == "head") pos = range.head;
7439	+ else if (start == "anchor") pos = range.anchor;
7440	+ else if (start == "end" \|\| start == "to" \|\| start === false) pos = range.to();
7441	+ else pos = range.from();
7442	+ return pos;
7443	+ },
7444	+ listSelections: function() { return this.sel.ranges; },
7445	+ somethingSelected: function() {return this.sel.somethingSelected();},
7446	+
7447	+ setCursor: docMethodOp(function(line, ch, options) {
7448	+ setSimpleSelection(this, clipPos(this, typeof line == "number" ? Pos(line, ch \|\| 0) : line), null, options);
7449	+ }),
7450	+ setSelection: docMethodOp(function(anchor, head, options) {
7451	+ setSimpleSelection(this, clipPos(this, anchor), clipPos(this, head \|\| anchor), options);
7452	+ }),
7453	+ extendSelection: docMethodOp(function(head, other, options) {
7454	+ extendSelection(this, clipPos(this, head), other && clipPos(this, other), options);
7455	+ }),
7456	+ extendSelections: docMethodOp(function(heads, options) {
7457	+ extendSelections(this, clipPosArray(this, heads, options));
7458	+ }),
7459	+ extendSelectionsBy: docMethodOp(function(f, options) {
7460	+ extendSelections(this, map(this.sel.ranges, f), options);
7461	+ }),
7462	+ setSelections: docMethodOp(function(ranges, primary, options) {
7463	+ if (!ranges.length) return;
7464	+ for (var i = 0, out = []; i < ranges.length; i++)
7465	+ out[i] = new Range(clipPos(this, ranges[i].anchor),
7466	+ clipPos(this, ranges[i].head));
7467	+ if (primary == null) primary = Math.min(ranges.length - 1, this.sel.primIndex);
7468	+ setSelection(this, normalizeSelection(out, primary), options);
7469	+ }),
7470	+ addSelection: docMethodOp(function(anchor, head, options) {
7471	+ var ranges = this.sel.ranges.slice(0);
7472	+ ranges.push(new Range(clipPos(this, anchor), clipPos(this, head \|\| anchor)));
7473	+ setSelection(this, normalizeSelection(ranges, ranges.length - 1), options);
7474	+ }),
7475	+
7476	+ getSelection: function(lineSep) {
7477	+ var ranges = this.sel.ranges, lines;
7478	+ for (var i = 0; i < ranges.length; i++) {
7479	+ var sel = getBetween(this, ranges[i].from(), ranges[i].to());
7480	+ lines = lines ? lines.concat(sel) : sel;
7481	+ }
7482	+ if (lineSep === false) return lines;
7483	+ else return lines.join(lineSep \|\| this.lineSeparator());
7484	+ },
7485	+ getSelections: function(lineSep) {
7486	+ var parts = [], ranges = this.sel.ranges;
7487	+ for (var i = 0; i < ranges.length; i++) {
7488	+ var sel = getBetween(this, ranges[i].from(), ranges[i].to());
7489	+ if (lineSep !== false) sel = sel.join(lineSep \|\| this.lineSeparator());
7490	+ parts[i] = sel;
7491	+ }
7492	+ return parts;
7493	+ },
7494	+ replaceSelection: function(code, collapse, origin) {
7495	+ var dup = [];
7496	+ for (var i = 0; i < this.sel.ranges.length; i++)
7497	+ dup[i] = code;
7498	+ this.replaceSelections(dup, collapse, origin \|\| "+input");
7499	+ },
7500	+ replaceSelections: docMethodOp(function(code, collapse, origin) {
7501	+ var changes = [], sel = this.sel;
7502	+ for (var i = 0; i < sel.ranges.length; i++) {
7503	+ var range = sel.ranges[i];
7504	+ changes[i] = {from: range.from(), to: range.to(), text: this.splitLines(code[i]), origin: origin};
7505	+ }
7506	+ var newSel = collapse && collapse != "end" && computeReplacedSel(this, changes, collapse);
7507	+ for (var i = changes.length - 1; i >= 0; i--)
7508	+ makeChange(this, changes[i]);
7509	+ if (newSel) setSelectionReplaceHistory(this, newSel);
7510	+ else if (this.cm) ensureCursorVisible(this.cm);
7511	+ }),
7512	+ undo: docMethodOp(function() {makeChangeFromHistory(this, "undo");}),
7513	+ redo: docMethodOp(function() {makeChangeFromHistory(this, "redo");}),
7514	+ undoSelection: docMethodOp(function() {makeChangeFromHistory(this, "undo", true);}),
7515	+ redoSelection: docMethodOp(function() {makeChangeFromHistory(this, "redo", true);}),
7516	+
7517	+ setExtending: function(val) {this.extend = val;},
7518	+ getExtending: function() {return this.extend;},
7519	+
7520	+ historySize: function() {
7521	+ var hist = this.history, done = 0, undone = 0;
7522	+ for (var i = 0; i < hist.done.length; i++) if (!hist.done[i].ranges) ++done;
7523	+ for (var i = 0; i < hist.undone.length; i++) if (!hist.undone[i].ranges) ++undone;
7524	+ return {undo: done, redo: undone};
7525	+ },
7526	+ clearHistory: function() {this.history = new History(this.history.maxGeneration);},
7527	+
7528	+ markClean: function() {
7529	+ this.cleanGeneration = this.changeGeneration(true);
7530	+ },
7531	+ changeGeneration: function(forceSplit) {
7532	+ if (forceSplit)
7533	+ this.history.lastOp = this.history.lastSelOp = this.history.lastOrigin = null;
7534	+ return this.history.generation;
7535	+ },
7536	+ isClean: function (gen) {
7537	+ return this.history.generation == (gen \|\| this.cleanGeneration);
7538	+ },
7539	+
7540	+ getHistory: function() {
7541	+ return {done: copyHistoryArray(this.history.done),
7542	+ undone: copyHistoryArray(this.history.undone)};
7543	+ },
7544	+ setHistory: function(histData) {
7545	+ var hist = this.history = new History(this.history.maxGeneration);
7546	+ hist.done = copyHistoryArray(histData.done.slice(0), null, true);
7547	+ hist.undone = copyHistoryArray(histData.undone.slice(0), null, true);
7548	+ },
7549	+
7550	+ addLineClass: docMethodOp(function(handle, where, cls) {
7551	+ return changeLine(this, handle, where == "gutter" ? "gutter" : "class", function(line) {
7552	+ var prop = where == "text" ? "textClass"
7553	+ : where == "background" ? "bgClass"
7554	+ : where == "gutter" ? "gutterClass" : "wrapClass";
7555	+ if (!line[prop]) line[prop] = cls;
7556	+ else if (classTest(cls).test(line[prop])) return false;
7557	+ else line[prop] += " " + cls;
7558	+ return true;
7559	+ });
7560	+ }),
7561	+ removeLineClass: docMethodOp(function(handle, where, cls) {
7562	+ return changeLine(this, handle, where == "gutter" ? "gutter" : "class", function(line) {
7563	+ var prop = where == "text" ? "textClass"
7564	+ : where == "background" ? "bgClass"
7565	+ : where == "gutter" ? "gutterClass" : "wrapClass";
7566	+ var cur = line[prop];
7567	+ if (!cur) return false;
7568	+ else if (cls == null) line[prop] = null;
7569	+ else {
7570	+ var found = cur.match(classTest(cls));
7571	+ if (!found) return false;
7572	+ var end = found.index + found[0].length;
7573	+ line[prop] = cur.slice(0, found.index) + (!found.index \|\| end == cur.length ? "" : " ") + cur.slice(end) \|\| null;
7574	+ }
7575	+ return true;
7576	+ });
7577	+ }),
7578	+
7579	+ addLineWidget: docMethodOp(function(handle, node, options) {
7580	+ return addLineWidget(this, handle, node, options);
7581	+ }),
7582	+ removeLineWidget: function(widget) { widget.clear(); },
7583	+
7584	+ markText: function(from, to, options) {
7585	+ return markText(this, clipPos(this, from), clipPos(this, to), options, options && options.type \|\| "range");
7586	+ },
7587	+ setBookmark: function(pos, options) {
7588	+ var realOpts = {replacedWith: options && (options.nodeType == null ? options.widget : options),
7589	+ insertLeft: options && options.insertLeft,
7590	+ clearWhenEmpty: false, shared: options && options.shared,
7591	+ handleMouseEvents: options && options.handleMouseEvents};
7592	+ pos = clipPos(this, pos);
7593	+ return markText(this, pos, pos, realOpts, "bookmark");
7594	+ },
7595	+ findMarksAt: function(pos) {
7596	+ pos = clipPos(this, pos);
7597	+ var markers = [], spans = getLine(this, pos.line).markedSpans;
7598	+ if (spans) for (var i = 0; i < spans.length; ++i) {
7599	+ var span = spans[i];
7600	+ if ((span.from == null \|\| span.from <= pos.ch) &&
7601	+ (span.to == null \|\| span.to >= pos.ch))
7602	+ markers.push(span.marker.parent \|\| span.marker);
7603	+ }
7604	+ return markers;
7605	+ },
7606	+ findMarks: function(from, to, filter) {
7607	+ from = clipPos(this, from); to = clipPos(this, to);
7608	+ var found = [], lineNo = from.line;
7609	+ this.iter(from.line, to.line + 1, function(line) {
7610	+ var spans = line.markedSpans;
7611	+ if (spans) for (var i = 0; i < spans.length; i++) {
7612	+ var span = spans[i];
7613	+ if (!(lineNo == from.line && from.ch > span.to \|\|
7614	+ span.from == null && lineNo != from.line\|\|
7615	+ lineNo == to.line && span.from > to.ch) &&
7616	+ (!filter \|\| filter(span.marker)))
7617	+ found.push(span.marker.parent \|\| span.marker);
7618	+ }
7619	+ ++lineNo;
7620	+ });
7621	+ return found;
7622	+ },
7623	+ getAllMarks: function() {
7624	+ var markers = [];
7625	+ this.iter(function(line) {
7626	+ var sps = line.markedSpans;
7627	+ if (sps) for (var i = 0; i < sps.length; ++i)
7628	+ if (sps[i].from != null) markers.push(sps[i].marker);
7629	+ });
7630	+ return markers;
7631	+ },
7632	+
7633	+ posFromIndex: function(off) {
7634	+ var ch, lineNo = this.first;
7635	+ this.iter(function(line) {
7636	+ var sz = line.text.length + 1;
7637	+ if (sz > off) { ch = off; return true; }
7638	+ off -= sz;
7639	+ ++lineNo;
7640	+ });
7641	+ return clipPos(this, Pos(lineNo, ch));
7642	+ },
7643	+ indexFromPos: function (coords) {
7644	+ coords = clipPos(this, coords);
7645	+ var index = coords.ch;
7646	+ if (coords.line < this.first \|\| coords.ch < 0) return 0;
7647	+ this.iter(this.first, coords.line, function (line) {
7648	+ index += line.text.length + 1;
7649	+ });
7650	+ return index;
7651	+ },
7652	+
7653	+ copy: function(copyHistory) {
7654	+ var doc = new Doc(getLines(this, this.first, this.first + this.size),
7655	+ this.modeOption, this.first, this.lineSep);
7656	+ doc.scrollTop = this.scrollTop; doc.scrollLeft = this.scrollLeft;
7657	+ doc.sel = this.sel;
7658	+ doc.extend = false;
7659	+ if (copyHistory) {
7660	+ doc.history.undoDepth = this.history.undoDepth;
7661	+ doc.setHistory(this.getHistory());
7662	+ }
7663	+ return doc;
7664	+ },
7665	+
7666	+ linkedDoc: function(options) {
7667	+ if (!options) options = {};
7668	+ var from = this.first, to = this.first + this.size;
7669	+ if (options.from != null && options.from > from) from = options.from;
7670	+ if (options.to != null && options.to < to) to = options.to;
7671	+ var copy = new Doc(getLines(this, from, to), options.mode \|\| this.modeOption, from, this.lineSep);
7672	+ if (options.sharedHist) copy.history = this.history;
7673	+ (this.linked \|\| (this.linked = [])).push({doc: copy, sharedHist: options.sharedHist});
7674	+ copy.linked = [{doc: this, isParent: true, sharedHist: options.sharedHist}];
7675	+ copySharedMarkers(copy, findSharedMarkers(this));
7676	+ return copy;
7677	+ },
7678	+ unlinkDoc: function(other) {
7679	+ if (other instanceof CodeMirror) other = other.doc;
7680	+ if (this.linked) for (var i = 0; i < this.linked.length; ++i) {
7681	+ var link = this.linked[i];
7682	+ if (link.doc != other) continue;
7683	+ this.linked.splice(i, 1);
7684	+ other.unlinkDoc(this);
7685	+ detachSharedMarkers(findSharedMarkers(this));
7686	+ break;
7687	+ }
7688	+ // If the histories were shared, split them again
7689	+ if (other.history == this.history) {
7690	+ var splitIds = [other.id];
7691	+ linkedDocs(other, function(doc) {splitIds.push(doc.id);}, true);
7692	+ other.history = new History(null);
7693	+ other.history.done = copyHistoryArray(this.history.done, splitIds);
7694	+ other.history.undone = copyHistoryArray(this.history.undone, splitIds);
7695	+ }
7696	+ },
7697	+ iterLinkedDocs: function(f) {linkedDocs(this, f);},
7698	+
7699	+ getMode: function() {return this.mode;},
7700	+ getEditor: function() {return this.cm;},
7701	+
7702	+ splitLines: function(str) {
7703	+ if (this.lineSep) return str.split(this.lineSep);
7704	+ return splitLinesAuto(str);
7705	+ },
7706	+ lineSeparator: function() { return this.lineSep \|\| "\n"; }
7707	+ });
7708	+
7709	+ // Public alias.
7710	+ Doc.prototype.eachLine = Doc.prototype.iter;
7711	+
7712	+ // Set up methods on CodeMirror's prototype to redirect to the editor's document.
7713	+ var dontDelegate = "iter insert remove copy getEditor constructor".split(" ");
7714	+ for (var prop in Doc.prototype) if (Doc.prototype.hasOwnProperty(prop) && indexOf(dontDelegate, prop) < 0)
7715	+ CodeMirror.prototype[prop] = (function(method) {
7716	+ return function() {return method.apply(this.doc, arguments);};
7717	+ })(Doc.prototype[prop]);
7718	+
7719	+ eventMixin(Doc);
7720	+
7721	+ // Call f for all linked documents.
7722	+ function linkedDocs(doc, f, sharedHistOnly) {
7723	+ function propagate(doc, skip, sharedHist) {
7724	+ if (doc.linked) for (var i = 0; i < doc.linked.length; ++i) {
7725	+ var rel = doc.linked[i];
7726	+ if (rel.doc == skip) continue;
7727	+ var shared = sharedHist && rel.sharedHist;
7728	+ if (sharedHistOnly && !shared) continue;
7729	+ f(rel.doc, shared);
7730	+ propagate(rel.doc, doc, shared);
7731	+ }
7732	+ }
7733	+ propagate(doc, null, true);
7734	+ }
7735	+
7736	+ // Attach a document to an editor.
7737	+ function attachDoc(cm, doc) {
7738	+ if (doc.cm) throw new Error("This document is already in use.");
7739	+ cm.doc = doc;
7740	+ doc.cm = cm;
7741	+ estimateLineHeights(cm);
7742	+ loadMode(cm);
7743	+ if (!cm.options.lineWrapping) findMaxLine(cm);
7744	+ cm.options.mode = doc.modeOption;
7745	+ regChange(cm);
7746	+ }
7747	+
7748	+ // LINE UTILITIES
7749	+
7750	+ // Find the line object corresponding to the given line number.
7751	+ function getLine(doc, n) {
7752	+ n -= doc.first;
7753	+ if (n < 0 \|\| n >= doc.size) throw new Error("There is no line " + (n + doc.first) + " in the document.");
7754	+ for (var chunk = doc; !chunk.lines;) {
7755	+ for (var i = 0;; ++i) {
7756	+ var child = chunk.children[i], sz = child.chunkSize();
7757	+ if (n < sz) { chunk = child; break; }
7758	+ n -= sz;
7759	+ }
7760	+ }
7761	+ return chunk.lines[n];
7762	+ }
7763	+
7764	+ // Get the part of a document between two positions, as an array of
7765	+ // strings.
7766	+ function getBetween(doc, start, end) {
7767	+ var out = [], n = start.line;
7768	+ doc.iter(start.line, end.line + 1, function(line) {
7769	+ var text = line.text;
7770	+ if (n == end.line) text = text.slice(0, end.ch);
7771	+ if (n == start.line) text = text.slice(start.ch);
7772	+ out.push(text);
7773	+ ++n;
7774	+ });
7775	+ return out;
7776	+ }
7777	+ // Get the lines between from and to, as array of strings.
7778	+ function getLines(doc, from, to) {
7779	+ var out = [];
7780	+ doc.iter(from, to, function(line) { out.push(line.text); });
7781	+ return out;
7782	+ }
7783	+
7784	+ // Update the height of a line, propagating the height change
7785	+ // upwards to parent nodes.
7786	+ function updateLineHeight(line, height) {
7787	+ var diff = height - line.height;
7788	+ if (diff) for (var n = line; n; n = n.parent) n.height += diff;
7789	+ }
7790	+
7791	+ // Given a line object, find its line number by walking up through
7792	+ // its parent links.
7793	+ function lineNo(line) {
7794	+ if (line.parent == null) return null;
7795	+ var cur = line.parent, no = indexOf(cur.lines, line);
7796	+ for (var chunk = cur.parent; chunk; cur = chunk, chunk = chunk.parent) {
7797	+ for (var i = 0;; ++i) {
7798	+ if (chunk.children[i] == cur) break;
7799	+ no += chunk.children[i].chunkSize();
7800	+ }
7801	+ }
7802	+ return no + cur.first;
7803	+ }
7804	+
7805	+ // Find the line at the given vertical position, using the height
7806	+ // information in the document tree.
7807	+ function lineAtHeight(chunk, h) {
7808	+ var n = chunk.first;
7809	+ outer: do {
7810	+ for (var i = 0; i < chunk.children.length; ++i) {
7811	+ var child = chunk.children[i], ch = child.height;
7812	+ if (h < ch) { chunk = child; continue outer; }
7813	+ h -= ch;
7814	+ n += child.chunkSize();
7815	+ }
7816	+ return n;
7817	+ } while (!chunk.lines);
7818	+ for (var i = 0; i < chunk.lines.length; ++i) {
7819	+ var line = chunk.lines[i], lh = line.height;
7820	+ if (h < lh) break;
7821	+ h -= lh;
7822	+ }
7823	+ return n + i;
7824	+ }
7825	+
7826	+
7827	+ // Find the height above the given line.
7828	+ function heightAtLine(lineObj) {
7829	+ lineObj = visualLine(lineObj);
7830	+
7831	+ var h = 0, chunk = lineObj.parent;
7832	+ for (var i = 0; i < chunk.lines.length; ++i) {
7833	+ var line = chunk.lines[i];
7834	+ if (line == lineObj) break;
7835	+ else h += line.height;
7836	+ }
7837	+ for (var p = chunk.parent; p; chunk = p, p = chunk.parent) {
7838	+ for (var i = 0; i < p.children.length; ++i) {
7839	+ var cur = p.children[i];
7840	+ if (cur == chunk) break;
7841	+ else h += cur.height;
7842	+ }
7843	+ }
7844	+ return h;
7845	+ }
7846	+
7847	+ // Get the bidi ordering for the given line (and cache it). Returns
7848	+ // false for lines that are fully left-to-right, and an array of
7849	+ // BidiSpan objects otherwise.
7850	+ function getOrder(line) {
7851	+ var order = line.order;
7852	+ if (order == null) order = line.order = bidiOrdering(line.text);
7853	+ return order;
7854	+ }
7855	+
7856	+ // HISTORY
7857	+
7858	+ function History(startGen) {
7859	+ // Arrays of change events and selections. Doing something adds an
7860	+ // event to done and clears undo. Undoing moves events from done
7861	+ // to undone, redoing moves them in the other direction.
7862	+ this.done = []; this.undone = [];
7863	+ this.undoDepth = Infinity;
7864	+ // Used to track when changes can be merged into a single undo
7865	+ // event
7866	+ this.lastModTime = this.lastSelTime = 0;
7867	+ this.lastOp = this.lastSelOp = null;
7868	+ this.lastOrigin = this.lastSelOrigin = null;
7869	+ // Used by the isClean() method
7870	+ this.generation = this.maxGeneration = startGen \|\| 1;
7871	+ }
7872	+
7873	+ // Create a history change event from an updateDoc-style change
7874	+ // object.
7875	+ function historyChangeFromChange(doc, change) {
7876	+ var histChange = {from: copyPos(change.from), to: changeEnd(change), text: getBetween(doc, change.from, change.to)};
7877	+ attachLocalSpans(doc, histChange, change.from.line, change.to.line + 1);
7878	+ linkedDocs(doc, function(doc) {attachLocalSpans(doc, histChange, change.from.line, change.to.line + 1);}, true);
7879	+ return histChange;
7880	+ }
7881	+
7882	+ // Pop all selection events off the end of a history array. Stop at
7883	+ // a change event.
7884	+ function clearSelectionEvents(array) {
7885	+ while (array.length) {
7886	+ var last = lst(array);
7887	+ if (last.ranges) array.pop();
7888	+ else break;
7889	+ }
7890	+ }
7891	+
7892	+ // Find the top change event in the history. Pop off selection
7893	+ // events that are in the way.
7894	+ function lastChangeEvent(hist, force) {
7895	+ if (force) {
7896	+ clearSelectionEvents(hist.done);
7897	+ return lst(hist.done);
7898	+ } else if (hist.done.length && !lst(hist.done).ranges) {
7899	+ return lst(hist.done);
7900	+ } else if (hist.done.length > 1 && !hist.done[hist.done.length - 2].ranges) {
7901	+ hist.done.pop();
7902	+ return lst(hist.done);
7903	+ }
7904	+ }
7905	+
7906	+ // Register a change in the history. Merges changes that are within
7907	+ // a single operation, ore are close together with an origin that
7908	+ // allows merging (starting with "+") into a single event.
7909	+ function addChangeToHistory(doc, change, selAfter, opId) {
7910	+ var hist = doc.history;
7911	+ hist.undone.length = 0;
7912	+ var time = +new Date, cur;
7913	+
7914	+ if ((hist.lastOp == opId \|\|
7915	+ hist.lastOrigin == change.origin && change.origin &&
7916	+ ((change.origin.charAt(0) == "+" && doc.cm && hist.lastModTime > time - doc.cm.options.historyEventDelay) \|\|
7917	+ change.origin.charAt(0) == "*")) &&
7918	+ (cur = lastChangeEvent(hist, hist.lastOp == opId))) {
7919	+ // Merge this change into the last event
7920	+ var last = lst(cur.changes);
7921	+ if (cmp(change.from, change.to) == 0 && cmp(change.from, last.to) == 0) {
7922	+ // Optimized case for simple insertion -- don't want to add
7923	+ // new changesets for every character typed
7924	+ last.to = changeEnd(change);
7925	+ } else {
7926	+ // Add new sub-event
7927	+ cur.changes.push(historyChangeFromChange(doc, change));
7928	+ }
7929	+ } else {
7930	+ // Can not be merged, start a new event.
7931	+ var before = lst(hist.done);
7932	+ if (!before \|\| !before.ranges)
7933	+ pushSelectionToHistory(doc.sel, hist.done);
7934	+ cur = {changes: [historyChangeFromChange(doc, change)],
7935	+ generation: hist.generation};
7936	+ hist.done.push(cur);
7937	+ while (hist.done.length > hist.undoDepth) {
7938	+ hist.done.shift();
7939	+ if (!hist.done[0].ranges) hist.done.shift();
7940	+ }
7941	+ }
7942	+ hist.done.push(selAfter);
7943	+ hist.generation = ++hist.maxGeneration;
7944	+ hist.lastModTime = hist.lastSelTime = time;
7945	+ hist.lastOp = hist.lastSelOp = opId;
7946	+ hist.lastOrigin = hist.lastSelOrigin = change.origin;
7947	+
7948	+ if (!last) signal(doc, "historyAdded");
7949	+ }
7950	+
7951	+ function selectionEventCanBeMerged(doc, origin, prev, sel) {
7952	+ var ch = origin.charAt(0);
7953	+ return ch == "*" \|\|
7954	+ ch == "+" &&
7955	+ prev.ranges.length == sel.ranges.length &&
7956	+ prev.somethingSelected() == sel.somethingSelected() &&
7957	+ new Date - doc.history.lastSelTime <= (doc.cm ? doc.cm.options.historyEventDelay : 500);
7958	+ }
7959	+
7960	+ // Called whenever the selection changes, sets the new selection as
7961	+ // the pending selection in the history, and pushes the old pending
7962	+ // selection into the 'done' array when it was significantly
7963	+ // different (in number of selected ranges, emptiness, or time).
7964	+ function addSelectionToHistory(doc, sel, opId, options) {
7965	+ var hist = doc.history, origin = options && options.origin;
7966	+
7967	+ // A new event is started when the previous origin does not match
7968	+ // the current, or the origins don't allow matching. Origins
7969	+ // starting with * are always merged, those starting with + are
7970	+ // merged when similar and close together in time.
7971	+ if (opId == hist.lastSelOp \|\|
7972	+ (origin && hist.lastSelOrigin == origin &&
7973	+ (hist.lastModTime == hist.lastSelTime && hist.lastOrigin == origin \|\|
7974	+ selectionEventCanBeMerged(doc, origin, lst(hist.done), sel))))
7975	+ hist.done[hist.done.length - 1] = sel;
7976	+ else
7977	+ pushSelectionToHistory(sel, hist.done);
7978	+
7979	+ hist.lastSelTime = +new Date;
7980	+ hist.lastSelOrigin = origin;
7981	+ hist.lastSelOp = opId;
7982	+ if (options && options.clearRedo !== false)
7983	+ clearSelectionEvents(hist.undone);
7984	+ }
7985	+
7986	+ function pushSelectionToHistory(sel, dest) {
7987	+ var top = lst(dest);
7988	+ if (!(top && top.ranges && top.equals(sel)))
7989	+ dest.push(sel);
7990	+ }
7991	+
7992	+ // Used to store marked span information in the history.
7993	+ function attachLocalSpans(doc, change, from, to) {
7994	+ var existing = change["spans_" + doc.id], n = 0;
7995	+ doc.iter(Math.max(doc.first, from), Math.min(doc.first + doc.size, to), function(line) {
7996	+ if (line.markedSpans)
7997	+ (existing \|\| (existing = change["spans_" + doc.id] = {}))[n] = line.markedSpans;
7998	+ ++n;
7999	+ });
8000	+ }
8001	+
8002	+ // When un/re-doing restores text containing marked spans, those
8003	+ // that have been explicitly cleared should not be restored.
8004	+ function removeClearedSpans(spans) {
8005	+ if (!spans) return null;
8006	+ for (var i = 0, out; i < spans.length; ++i) {
8007	+ if (spans[i].marker.explicitlyCleared) { if (!out) out = spans.slice(0, i); }
8008	+ else if (out) out.push(spans[i]);
8009	+ }
8010	+ return !out ? spans : out.length ? out : null;
8011	+ }
8012	+
8013	+ // Retrieve and filter the old marked spans stored in a change event.
8014	+ function getOldSpans(doc, change) {
8015	+ var found = change["spans_" + doc.id];
8016	+ if (!found) return null;
8017	+ for (var i = 0, nw = []; i < change.text.length; ++i)
8018	+ nw.push(removeClearedSpans(found[i]));
8019	+ return nw;
8020	+ }
8021	+
8022	+ // Used both to provide a JSON-safe object in .getHistory, and, when
8023	+ // detaching a document, to split the history in two
8024	+ function copyHistoryArray(events, newGroup, instantiateSel) {
8025	+ for (var i = 0, copy = []; i < events.length; ++i) {
8026	+ var event = events[i];
8027	+ if (event.ranges) {
8028	+ copy.push(instantiateSel ? Selection.prototype.deepCopy.call(event) : event);
8029	+ continue;
8030	+ }
8031	+ var changes = event.changes, newChanges = [];
8032	+ copy.push({changes: newChanges});
8033	+ for (var j = 0; j < changes.length; ++j) {
8034	+ var change = changes[j], m;
8035	+ newChanges.push({from: change.from, to: change.to, text: change.text});
8036	+ if (newGroup) for (var prop in change) if (m = prop.match(/^spans_(\d+)$/)) {
8037	+ if (indexOf(newGroup, Number(m[1])) > -1) {
8038	+ lst(newChanges)[prop] = change[prop];
8039	+ delete change[prop];
8040	+ }
8041	+ }
8042	+ }
8043	+ }
8044	+ return copy;
8045	+ }
8046	+
8047	+ // Rebasing/resetting history to deal with externally-sourced changes
8048	+
8049	+ function rebaseHistSelSingle(pos, from, to, diff) {
8050	+ if (to < pos.line) {
8051	+ pos.line += diff;
8052	+ } else if (from < pos.line) {
8053	+ pos.line = from;
8054	+ pos.ch = 0;
8055	+ }
8056	+ }
8057	+
8058	+ // Tries to rebase an array of history events given a change in the
8059	+ // document. If the change touches the same lines as the event, the
8060	+ // event, and everything 'behind' it, is discarded. If the change is
8061	+ // before the event, the event's positions are updated. Uses a
8062	+ // copy-on-write scheme for the positions, to avoid having to
8063	+ // reallocate them all on every rebase, but also avoid problems with
8064	+ // shared position objects being unsafely updated.
8065	+ function rebaseHistArray(array, from, to, diff) {
8066	+ for (var i = 0; i < array.length; ++i) {
8067	+ var sub = array[i], ok = true;
8068	+ if (sub.ranges) {
8069	+ if (!sub.copied) { sub = array[i] = sub.deepCopy(); sub.copied = true; }
8070	+ for (var j = 0; j < sub.ranges.length; j++) {
8071	+ rebaseHistSelSingle(sub.ranges[j].anchor, from, to, diff);
8072	+ rebaseHistSelSingle(sub.ranges[j].head, from, to, diff);
8073	+ }
8074	+ continue;
8075	+ }
8076	+ for (var j = 0; j < sub.changes.length; ++j) {
8077	+ var cur = sub.changes[j];
8078	+ if (to < cur.from.line) {
8079	+ cur.from = Pos(cur.from.line + diff, cur.from.ch);
8080	+ cur.to = Pos(cur.to.line + diff, cur.to.ch);
8081	+ } else if (from <= cur.to.line) {
8082	+ ok = false;
8083	+ break;
8084	+ }
8085	+ }
8086	+ if (!ok) {
8087	+ array.splice(0, i + 1);
8088	+ i = 0;
8089	+ }
8090	+ }
8091	+ }
8092	+
8093	+ function rebaseHist(hist, change) {
8094	+ var from = change.from.line, to = change.to.line, diff = change.text.length - (to - from) - 1;
8095	+ rebaseHistArray(hist.done, from, to, diff);
8096	+ rebaseHistArray(hist.undone, from, to, diff);
8097	+ }
8098	+
8099	+ // EVENT UTILITIES
8100	+
8101	+ // Due to the fact that we still support jurassic IE versions, some
8102	+ // compatibility wrappers are needed.
8103	+
8104	+ var e_preventDefault = CodeMirror.e_preventDefault = function(e) {
8105	+ if (e.preventDefault) e.preventDefault();
8106	+ else e.returnValue = false;
8107	+ };
8108	+ var e_stopPropagation = CodeMirror.e_stopPropagation = function(e) {
8109	+ if (e.stopPropagation) e.stopPropagation();
8110	+ else e.cancelBubble = true;
8111	+ };
8112	+ function e_defaultPrevented(e) {
8113	+ return e.defaultPrevented != null ? e.defaultPrevented : e.returnValue == false;
8114	+ }
8115	+ var e_stop = CodeMirror.e_stop = function(e) {e_preventDefault(e); e_stopPropagation(e);};
8116	+
8117	+ function e_target(e) {return e.target \|\| e.srcElement;}
8118	+ function e_button(e) {
8119	+ var b = e.which;
8120	+ if (b == null) {
8121	+ if (e.button & 1) b = 1;
8122	+ else if (e.button & 2) b = 3;
8123	+ else if (e.button & 4) b = 2;
8124	+ }
8125	+ if (mac && e.ctrlKey && b == 1) b = 3;
8126	+ return b;
8127	+ }
8128	+
8129	+ // EVENT HANDLING
8130	+
8131	+ // Lightweight event framework. on/off also work on DOM nodes,
8132	+ // registering native DOM handlers.
8133	+
8134	+ var on = CodeMirror.on = function(emitter, type, f) {
8135	+ if (emitter.addEventListener)
8136	+ emitter.addEventListener(type, f, false);
8137	+ else if (emitter.attachEvent)
8138	+ emitter.attachEvent("on" + type, f);
8139	+ else {
8140	+ var map = emitter._handlers \|\| (emitter._handlers = {});
8141	+ var arr = map[type] \|\| (map[type] = []);
8142	+ arr.push(f);
8143	+ }
8144	+ };
8145	+
8146	+ var noHandlers = []
8147	+ function getHandlers(emitter, type, copy) {
8148	+ var arr = emitter._handlers && emitter._handlers[type]
8149	+ if (copy) return arr && arr.length > 0 ? arr.slice() : noHandlers
8150	+ else return arr \|\| noHandlers
8151	+ }
8152	+
8153	+ var off = CodeMirror.off = function(emitter, type, f) {
8154	+ if (emitter.removeEventListener)
8155	+ emitter.removeEventListener(type, f, false);
8156	+ else if (emitter.detachEvent)
8157	+ emitter.detachEvent("on" + type, f);
8158	+ else {
8159	+ var handlers = getHandlers(emitter, type, false)
8160	+ for (var i = 0; i < handlers.length; ++i)
8161	+ if (handlers[i] == f) { handlers.splice(i, 1); break; }
8162	+ }
8163	+ };
8164	+
8165	+ var signal = CodeMirror.signal = function(emitter, type /, values.../) {
8166	+ var handlers = getHandlers(emitter, type, true)
8167	+ if (!handlers.length) return;
8168	+ var args = Array.prototype.slice.call(arguments, 2);
8169	+ for (var i = 0; i < handlers.length; ++i) handlers[i].apply(null, args);
8170	+ };
8171	+
8172	+ var orphanDelayedCallbacks = null;
8173	+
8174	+ // Often, we want to signal events at a point where we are in the
8175	+ // middle of some work, but don't want the handler to start calling
8176	+ // other methods on the editor, which might be in an inconsistent
8177	+ // state or simply not expect any other events to happen.
8178	+ // signalLater looks whether there are any handlers, and schedules
8179	+ // them to be executed when the last operation ends, or, if no
8180	+ // operation is active, when a timeout fires.
8181	+ function signalLater(emitter, type /, values.../) {
8182	+ var arr = getHandlers(emitter, type, false)
8183	+ if (!arr.length) return;
8184	+ var args = Array.prototype.slice.call(arguments, 2), list;
8185	+ if (operationGroup) {
8186	+ list = operationGroup.delayedCallbacks;
8187	+ } else if (orphanDelayedCallbacks) {
8188	+ list = orphanDelayedCallbacks;
8189	+ } else {
8190	+ list = orphanDelayedCallbacks = [];
8191	+ setTimeout(fireOrphanDelayed, 0);
8192	+ }
8193	+ function bnd(f) {return function(){f.apply(null, args);};};
8194	+ for (var i = 0; i < arr.length; ++i)
8195	+ list.push(bnd(arr[i]));
8196	+ }
8197	+
8198	+ function fireOrphanDelayed() {
8199	+ var delayed = orphanDelayedCallbacks;
8200	+ orphanDelayedCallbacks = null;
8201	+ for (var i = 0; i < delayed.length; ++i) delayed[i]();
8202	+ }
8203	+
8204	+ // The DOM events that CodeMirror handles can be overridden by
8205	+ // registering a (non-DOM) handler on the editor for the event name,
8206	+ // and preventDefault-ing the event in that handler.
8207	+ function signalDOMEvent(cm, e, override) {
8208	+ if (typeof e == "string")
8209	+ e = {type: e, preventDefault: function() { this.defaultPrevented = true; }};
8210	+ signal(cm, override \|\| e.type, cm, e);
8211	+ return e_defaultPrevented(e) \|\| e.codemirrorIgnore;
8212	+ }
8213	+
8214	+ function signalCursorActivity(cm) {
8215	+ var arr = cm._handlers && cm._handlers.cursorActivity;
8216	+ if (!arr) return;
8217	+ var set = cm.curOp.cursorActivityHandlers \|\| (cm.curOp.cursorActivityHandlers = []);
8218	+ for (var i = 0; i < arr.length; ++i) if (indexOf(set, arr[i]) == -1)
8219	+ set.push(arr[i]);
8220	+ }
8221	+
8222	+ function hasHandler(emitter, type) {
8223	+ return getHandlers(emitter, type).length > 0
8224	+ }
8225	+
8226	+ // Add on and off methods to a constructor's prototype, to make
8227	+ // registering events on such objects more convenient.
8228	+ function eventMixin(ctor) {
8229	+ ctor.prototype.on = function(type, f) {on(this, type, f);};
8230	+ ctor.prototype.off = function(type, f) {off(this, type, f);};
8231	+ }
8232	+
8233	+ // MISC UTILITIES
8234	+
8235	+ // Number of pixels added to scroller and sizer to hide scrollbar
8236	+ var scrollerGap = 30;
8237	+
8238	+ // Returned or thrown by various protocols to signal 'I'm not
8239	+ // handling this'.
8240	+ var Pass = CodeMirror.Pass = {toString: function(){return "CodeMirror.Pass";}};
8241	+
8242	+ // Reused option objects for setSelection & friends
8243	+ var sel_dontScroll = {scroll: false}, sel_mouse = {origin: "*mouse"}, sel_move = {origin: "+move"};
8244	+
8245	+ function Delayed() {this.id = null;}
8246	+ Delayed.prototype.set = function(ms, f) {
8247	+ clearTimeout(this.id);
8248	+ this.id = setTimeout(f, ms);
8249	+ };
8250	+
8251	+ // Counts the column offset in a string, taking tabs into account.
8252	+ // Used mostly to find indentation.
8253	+ var countColumn = CodeMirror.countColumn = function(string, end, tabSize, startIndex, startValue) {
8254	+ if (end == null) {
8255	+ end = string.search(/[^\s\u00a0]/);
8256	+ if (end == -1) end = string.length;
8257	+ }
8258	+ for (var i = startIndex \|\| 0, n = startValue \|\| 0;;) {
8259	+ var nextTab = string.indexOf("\t", i);
8260	+ if (nextTab < 0 \|\| nextTab >= end)
8261	+ return n + (end - i);
8262	+ n += nextTab - i;
8263	+ n += tabSize - (n % tabSize);
8264	+ i = nextTab + 1;
8265	+ }
8266	+ };
8267	+
8268	+ // The inverse of countColumn -- find the offset that corresponds to
8269	+ // a particular column.
8270	+ var findColumn = CodeMirror.findColumn = function(string, goal, tabSize) {
8271	+ for (var pos = 0, col = 0;;) {
8272	+ var nextTab = string.indexOf("\t", pos);
8273	+ if (nextTab == -1) nextTab = string.length;
8274	+ var skipped = nextTab - pos;
8275	+ if (nextTab == string.length \|\| col + skipped >= goal)
8276	+ return pos + Math.min(skipped, goal - col);
8277	+ col += nextTab - pos;
8278	+ col += tabSize - (col % tabSize);
8279	+ pos = nextTab + 1;
8280	+ if (col >= goal) return pos;
8281	+ }
8282	+ }
8283	+
8284	+ var spaceStrs = [""];
8285	+ function spaceStr(n) {
8286	+ while (spaceStrs.length <= n)
8287	+ spaceStrs.push(lst(spaceStrs) + " ");
8288	+ return spaceStrs[n];
8289	+ }
8290	+
8291	+ function lst(arr) { return arr[arr.length-1]; }
8292	+
8293	+ var selectInput = function(node) { node.select(); };
8294	+ if (ios) // Mobile Safari apparently has a bug where select() is broken.
8295	+ selectInput = function(node) { node.selectionStart = 0; node.selectionEnd = node.value.length; };
8296	+ else if (ie) // Suppress mysterious IE10 errors
8297	+ selectInput = function(node) { try { node.select(); } catch(_e) {} };
8298	+
8299	+ function indexOf(array, elt) {
8300	+ for (var i = 0; i < array.length; ++i)
8301	+ if (array[i] == elt) return i;
8302	+ return -1;
8303	+ }
8304	+ function map(array, f) {
8305	+ var out = [];
8306	+ for (var i = 0; i < array.length; i++) out[i] = f(array[i], i);
8307	+ return out;
8308	+ }
8309	+
8310	+ function nothing() {}
8311	+
8312	+ function createObj(base, props) {
8313	+ var inst;
8314	+ if (Object.create) {
8315	+ inst = Object.create(base);
8316	+ } else {
8317	+ nothing.prototype = base;
8318	+ inst = new nothing();
8319	+ }
8320	+ if (props) copyObj(props, inst);
8321	+ return inst;
8322	+ };
8323	+
8324	+ function copyObj(obj, target, overwrite) {
8325	+ if (!target) target = {};
8326	+ for (var prop in obj)
8327	+ if (obj.hasOwnProperty(prop) && (overwrite !== false \|\| !target.hasOwnProperty(prop)))
8328	+ target[prop] = obj[prop];
8329	+ return target;
8330	+ }
8331	+
8332	+ function bind(f) {
8333	+ var args = Array.prototype.slice.call(arguments, 1);
8334	+ return function(){return f.apply(null, args);};
8335	+ }
8336	+
8337	+ var nonASCIISingleCaseWordChar = /[\u00df\u0587\u0590-\u05f4\u0600-\u06ff\u3040-\u309f\u30a0-\u30ff\u3400-\u4db5\u4e00-\u9fcc\uac00-\ud7af]/;
8338	+ var isWordCharBasic = CodeMirror.isWordChar = function(ch) {
8339	+ return /\w/.test(ch) \|\| ch > "\x80" &&
8340	+ (ch.toUpperCase() != ch.toLowerCase() \|\| nonASCIISingleCaseWordChar.test(ch));
8341	+ };
8342	+ function isWordChar(ch, helper) {
8343	+ if (!helper) return isWordCharBasic(ch);
8344	+ if (helper.source.indexOf("\\w") > -1 && isWordCharBasic(ch)) return true;
8345	+ return helper.test(ch);
8346	+ }
8347	+
8348	+ function isEmpty(obj) {
8349	+ for (var n in obj) if (obj.hasOwnProperty(n) && obj[n]) return false;
8350	+ return true;
8351	+ }
8352	+
8353	+ // Extending unicode characters. A series of a non-extending char +
8354	+ // any number of extending chars is treated as a single unit as far
8355	+ // as editing and measuring is concerned. This is not fully correct,
8356	+ // since some scripts/fonts/browsers also treat other configurations
8357	+ // of code points as a group.
8358	+ var extendingChars = /[\u0300-\u036f\u0483-\u0489\u0591-\u05bd\u05bf\u05c1\u05c2\u05c4\u05c5\u05c7\u0610-\u061a\u064b-\u065e\u0670\u06d6-\u06dc\u06de-\u06e4\u06e7\u06e8\u06ea-\u06ed\u0711\u0730-\u074a\u07a6-\u07b0\u07eb-\u07f3\u0816-\u0819\u081b-\u0823\u0825-\u0827\u0829-\u082d\u0900-\u0902\u093c\u0941-\u0948\u094d\u0951-\u0955\u0962\u0963\u0981\u09bc\u09be\u09c1-\u09c4\u09cd\u09d7\u09e2\u09e3\u0a01\u0a02\u0a3c\u0a41\u0a42\u0a47\u0a48\u0a4b-\u0a4d\u0a51\u0a70\u0a71\u0a75\u0a81\u0a82\u0abc\u0ac1-\u0ac5\u0ac7\u0ac8\u0acd\u0ae2\u0ae3\u0b01\u0b3c\u0b3e\u0b3f\u0b41-\u0b44\u0b4d\u0b56\u0b57\u0b62\u0b63\u0b82\u0bbe\u0bc0\u0bcd\u0bd7\u0c3e-\u0c40\u0c46-\u0c48\u0c4a-\u0c4d\u0c55\u0c56\u0c62\u0c63\u0cbc\u0cbf\u0cc2\u0cc6\u0ccc\u0ccd\u0cd5\u0cd6\u0ce2\u0ce3\u0d3e\u0d41-\u0d44\u0d4d\u0d57\u0d62\u0d63\u0dca\u0dcf\u0dd2-\u0dd4\u0dd6\u0ddf\u0e31\u0e34-\u0e3a\u0e47-\u0e4e\u0eb1\u0eb4-\u0eb9\u0ebb\u0ebc\u0ec8-\u0ecd\u0f18\u0f19\u0f35\u0f37\u0f39\u0f71-\u0f7e\u0f80-\u0f84\u0f86\u0f87\u0f90-\u0f97\u0f99-\u0fbc\u0fc6\u102d-\u1030\u1032-\u1037\u1039\u103a\u103d\u103e\u1058\u1059\u105e-\u1060\u1071-\u1074\u1082\u1085\u1086\u108d\u109d\u135f\u1712-\u1714\u1732-\u1734\u1752\u1753\u1772\u1773\u17b7-\u17bd\u17c6\u17c9-\u17d3\u17dd\u180b-\u180d\u18a9\u1920-\u1922\u1927\u1928\u1932\u1939-\u193b\u1a17\u1a18\u1a56\u1a58-\u1a5e\u1a60\u1a62\u1a65-\u1a6c\u1a73-\u1a7c\u1a7f\u1b00-\u1b03\u1b34\u1b36-\u1b3a\u1b3c\u1b42\u1b6b-\u1b73\u1b80\u1b81\u1ba2-\u1ba5\u1ba8\u1ba9\u1c2c-\u1c33\u1c36\u1c37\u1cd0-\u1cd2\u1cd4-\u1ce0\u1ce2-\u1ce8\u1ced\u1dc0-\u1de6\u1dfd-\u1dff\u200c\u200d\u20d0-\u20f0\u2cef-\u2cf1\u2de0-\u2dff\u302a-\u302f\u3099\u309a\ua66f-\ua672\ua67c\ua67d\ua6f0\ua6f1\ua802\ua806\ua80b\ua825\ua826\ua8c4\ua8e0-\ua8f1\ua926-\ua92d\ua947-\ua951\ua980-\ua982\ua9b3\ua9b6-\ua9b9\ua9bc\uaa29-\uaa2e\uaa31\uaa32\uaa35\uaa36\uaa43\uaa4c\uaab0\uaab2-\uaab4\uaab7\uaab8\uaabe\uaabf\uaac1\uabe5\uabe8\uabed\udc00-\udfff\ufb1e\ufe00-\ufe0f\ufe20-\ufe26\uff9e\uff9f]/;
8359	+ function isExtendingChar(ch) { return ch.charCodeAt(0) >= 768 && extendingChars.test(ch); }
8360	+
8361	+ // DOM UTILITIES
8362	+
8363	+ function elt(tag, content, className, style) {
8364	+ var e = document.createElement(tag);
8365	+ if (className) e.className = className;
8366	+ if (style) e.style.cssText = style;
8367	+ if (typeof content == "string") e.appendChild(document.createTextNode(content));
8368	+ else if (content) for (var i = 0; i < content.length; ++i) e.appendChild(content[i]);
8369	+ return e;
8370	+ }
8371	+
8372	+ var range;
8373	+ if (document.createRange) range = function(node, start, end, endNode) {
8374	+ var r = document.createRange();
8375	+ r.setEnd(endNode \|\| node, end);
8376	+ r.setStart(node, start);
8377	+ return r;
8378	+ };
8379	+ else range = function(node, start, end) {
8380	+ var r = document.body.createTextRange();
8381	+ try { r.moveToElementText(node.parentNode); }
8382	+ catch(e) { return r; }
8383	+ r.collapse(true);
8384	+ r.moveEnd("character", end);
8385	+ r.moveStart("character", start);
8386	+ return r;
8387	+ };
8388	+
8389	+ function removeChildren(e) {
8390	+ for (var count = e.childNodes.length; count > 0; --count)
8391	+ e.removeChild(e.firstChild);
8392	+ return e;
8393	+ }
8394	+
8395	+ function removeChildrenAndAdd(parent, e) {
8396	+ return removeChildren(parent).appendChild(e);
8397	+ }
8398	+
8399	+ var contains = CodeMirror.contains = function(parent, child) {
8400	+ if (child.nodeType == 3) // Android browser always returns false when child is a textnode
8401	+ child = child.parentNode;
8402	+ if (parent.contains)
8403	+ return parent.contains(child);
8404	+ do {
8405	+ if (child.nodeType == 11) child = child.host;
8406	+ if (child == parent) return true;
8407	+ } while (child = child.parentNode);
8408	+ };
8409	+
8410	+ function activeElt() {
8411	+ var activeElement = document.activeElement;
8412	+ while (activeElement && activeElement.root && activeElement.root.activeElement)
8413	+ activeElement = activeElement.root.activeElement;
8414	+ return activeElement;
8415	+ }
8416	+ // Older versions of IE throws unspecified error when touching
8417	+ // document.activeElement in some cases (during loading, in iframe)
8418	+ if (ie && ie_version < 11) activeElt = function() {
8419	+ try { return document.activeElement; }
8420	+ catch(e) { return document.body; }
8421	+ };
8422	+
8423	+ function classTest(cls) { return new RegExp("(^\|\\s)" + cls + "(?:$\|\\s)\\s*"); }
8424	+ var rmClass = CodeMirror.rmClass = function(node, cls) {
8425	+ var current = node.className;
8426	+ var match = classTest(cls).exec(current);
8427	+ if (match) {
8428	+ var after = current.slice(match.index + match[0].length);
8429	+ node.className = current.slice(0, match.index) + (after ? match[1] + after : "");
8430	+ }
8431	+ };
8432	+ var addClass = CodeMirror.addClass = function(node, cls) {
8433	+ var current = node.className;
8434	+ if (!classTest(cls).test(current)) node.className += (current ? " " : "") + cls;
8435	+ };
8436	+ function joinClasses(a, b) {
8437	+ var as = a.split(" ");
8438	+ for (var i = 0; i < as.length; i++)
8439	+ if (as[i] && !classTest(as[i]).test(b)) b += " " + as[i];
8440	+ return b;
8441	+ }
8442	+
8443	+ // WINDOW-WIDE EVENTS
8444	+
8445	+ // These must be handled carefully, because naively registering a
8446	+ // handler for each editor will cause the editors to never be
8447	+ // garbage collected.
8448	+
8449	+ function forEachCodeMirror(f) {
8450	+ if (!document.body.getElementsByClassName) return;
8451	+ var byClass = document.body.getElementsByClassName("CodeMirror");
8452	+ for (var i = 0; i < byClass.length; i++) {
8453	+ var cm = byClass[i].CodeMirror;
8454	+ if (cm) f(cm);
8455	+ }
8456	+ }
8457	+
8458	+ var globalsRegistered = false;
8459	+ function ensureGlobalHandlers() {
8460	+ if (globalsRegistered) return;
8461	+ registerGlobalHandlers();
8462	+ globalsRegistered = true;
8463	+ }
8464	+ function registerGlobalHandlers() {
8465	+ // When the window resizes, we need to refresh active editors.
8466	+ var resizeTimer;
8467	+ on(window, "resize", function() {
8468	+ if (resizeTimer == null) resizeTimer = setTimeout(function() {
8469	+ resizeTimer = null;
8470	+ forEachCodeMirror(onResize);
8471	+ }, 100);
8472	+ });
8473	+ // When the window loses focus, we want to show the editor as blurred
8474	+ on(window, "blur", function() {
8475	+ forEachCodeMirror(onBlur);
8476	+ });
8477	+ }
8478	+
8479	+ // FEATURE DETECTION
8480	+
8481	+ // Detect drag-and-drop
8482	+ var dragAndDrop = function() {
8483	+ // There is some kind of drag-and-drop support in IE6-8, but I
8484	+ // couldn't get it to work yet.
8485	+ if (ie && ie_version < 9) return false;
8486	+ var div = elt('div');
8487	+ return "draggable" in div \|\| "dragDrop" in div;
8488	+ }();
8489	+
8490	+ var zwspSupported;
8491	+ function zeroWidthElement(measure) {
8492	+ if (zwspSupported == null) {
8493	+ var test = elt("span", "\u200b");
8494	+ removeChildrenAndAdd(measure, elt("span", [test, document.createTextNode("x")]));
8495	+ if (measure.firstChild.offsetHeight != 0)
8496	+ zwspSupported = test.offsetWidth <= 1 && test.offsetHeight > 2 && !(ie && ie_version < 8);
8497	+ }
8498	+ var node = zwspSupported ? elt("span", "\u200b") :
8499	+ elt("span", "\u00a0", null, "display: inline-block; width: 1px; margin-right: -1px");
8500	+ node.setAttribute("cm-text", "");
8501	+ return node;
8502	+ }
8503	+
8504	+ // Feature-detect IE's crummy client rect reporting for bidi text
8505	+ var badBidiRects;
8506	+ function hasBadBidiRects(measure) {
8507	+ if (badBidiRects != null) return badBidiRects;
8508	+ var txt = removeChildrenAndAdd(measure, document.createTextNode("A\u062eA"));
8509	+ var r0 = range(txt, 0, 1).getBoundingClientRect();
8510	+ if (!r0 \|\| r0.left == r0.right) return false; // Safari returns null in some cases (#2780)
8511	+ var r1 = range(txt, 1, 2).getBoundingClientRect();
8512	+ return badBidiRects = (r1.right - r0.right < 3);
8513	+ }
8514	+
8515	+ // See if "".split is the broken IE version, if so, provide an
8516	+ // alternative way to split lines.
8517	+ var splitLinesAuto = CodeMirror.splitLines = "\n\nb".split(/\n/).length != 3 ? function(string) {
8518	+ var pos = 0, result = [], l = string.length;
8519	+ while (pos <= l) {
8520	+ var nl = string.indexOf("\n", pos);
8521	+ if (nl == -1) nl = string.length;
8522	+ var line = string.slice(pos, string.charAt(nl - 1) == "\r" ? nl - 1 : nl);
8523	+ var rt = line.indexOf("\r");
8524	+ if (rt != -1) {
8525	+ result.push(line.slice(0, rt));
8526	+ pos += rt + 1;
8527	+ } else {
8528	+ result.push(line);
8529	+ pos = nl + 1;
8530	+ }
8531	+ }
8532	+ return result;
8533	+ } : function(string){return string.split(/\r\n?\|\n/);};
8534	+
8535	+ var hasSelection = window.getSelection ? function(te) {
8536	+ try { return te.selectionStart != te.selectionEnd; }
8537	+ catch(e) { return false; }
8538	+ } : function(te) {
8539	+ try {var range = te.ownerDocument.selection.createRange();}
8540	+ catch(e) {}
8541	+ if (!range \|\| range.parentElement() != te) return false;
8542	+ return range.compareEndPoints("StartToEnd", range) != 0;
8543	+ };
8544	+
8545	+ var hasCopyEvent = (function() {
8546	+ var e = elt("div");
8547	+ if ("oncopy" in e) return true;
8548	+ e.setAttribute("oncopy", "return;");
8549	+ return typeof e.oncopy == "function";
8550	+ })();
8551	+
8552	+ var badZoomedRects = null;
8553	+ function hasBadZoomedRects(measure) {
8554	+ if (badZoomedRects != null) return badZoomedRects;
8555	+ var node = removeChildrenAndAdd(measure, elt("span", "x"));
8556	+ var normal = node.getBoundingClientRect();
8557	+ var fromRange = range(node, 0, 1).getBoundingClientRect();
8558	+ return badZoomedRects = Math.abs(normal.left - fromRange.left) > 1;
8559	+ }
8560	+
8561	+ // KEY NAMES
8562	+
8563	+ var keyNames = CodeMirror.keyNames = {
8564	+ 3: "Enter", 8: "Backspace", 9: "Tab", 13: "Enter", 16: "Shift", 17: "Ctrl", 18: "Alt",
8565	+ 19: "Pause", 20: "CapsLock", 27: "Esc", 32: "Space", 33: "PageUp", 34: "PageDown", 35: "End",
8566	+ 36: "Home", 37: "Left", 38: "Up", 39: "Right", 40: "Down", 44: "PrintScrn", 45: "Insert",
8567	+ 46: "Delete", 59: ";", 61: "=", 91: "Mod", 92: "Mod", 93: "Mod",
8568	+ 106: "*", 107: "=", 109: "-", 110: ".", 111: "/", 127: "Delete",
8569	+ 173: "-", 186: ";", 187: "=", 188: ",", 189: "-", 190: ".", 191: "/", 192: "`", 219: "[", 220: "\\",
8570	+ 221: "]", 222: "'", 63232: "Up", 63233: "Down", 63234: "Left", 63235: "Right", 63272: "Delete",
8571	+ 63273: "Home", 63275: "End", 63276: "PageUp", 63277: "PageDown", 63302: "Insert"
8572	+ };
8573	+ (function() {
8574	+ // Number keys
8575	+ for (var i = 0; i < 10; i++) keyNames[i + 48] = keyNames[i + 96] = String(i);
8576	+ // Alphabetic keys
8577	+ for (var i = 65; i <= 90; i++) keyNames[i] = String.fromCharCode(i);
8578	+ // Function keys
8579	+ for (var i = 1; i <= 12; i++) keyNames[i + 111] = keyNames[i + 63235] = "F" + i;
8580	+ })();
8581	+
8582	+ // BIDI HELPERS
8583	+
8584	+ function iterateBidiSections(order, from, to, f) {
8585	+ if (!order) return f(from, to, "ltr");
8586	+ var found = false;
8587	+ for (var i = 0; i < order.length; ++i) {
8588	+ var part = order[i];
8589	+ if (part.from < to && part.to > from \|\| from == to && part.to == from) {
8590	+ f(Math.max(part.from, from), Math.min(part.to, to), part.level == 1 ? "rtl" : "ltr");
8591	+ found = true;
8592	+ }
8593	+ }
8594	+ if (!found) f(from, to, "ltr");
8595	+ }
8596	+
8597	+ function bidiLeft(part) { return part.level % 2 ? part.to : part.from; }
8598	+ function bidiRight(part) { return part.level % 2 ? part.from : part.to; }
8599	+
8600	+ function lineLeft(line) { var order = getOrder(line); return order ? bidiLeft(order[0]) : 0; }
8601	+ function lineRight(line) {
8602	+ var order = getOrder(line);
8603	+ if (!order) return line.text.length;
8604	+ return bidiRight(lst(order));
8605	+ }
8606	+
8607	+ function lineStart(cm, lineN) {
8608	+ var line = getLine(cm.doc, lineN);
8609	+ var visual = visualLine(line);
8610	+ if (visual != line) lineN = lineNo(visual);
8611	+ var order = getOrder(visual);
8612	+ var ch = !order ? 0 : order[0].level % 2 ? lineRight(visual) : lineLeft(visual);
8613	+ return Pos(lineN, ch);
8614	+ }
8615	+ function lineEnd(cm, lineN) {
8616	+ var merged, line = getLine(cm.doc, lineN);
8617	+ while (merged = collapsedSpanAtEnd(line)) {
8618	+ line = merged.find(1, true).line;
8619	+ lineN = null;
8620	+ }
8621	+ var order = getOrder(line);
8622	+ var ch = !order ? line.text.length : order[0].level % 2 ? lineLeft(line) : lineRight(line);
8623	+ return Pos(lineN == null ? lineNo(line) : lineN, ch);
8624	+ }
8625	+ function lineStartSmart(cm, pos) {
8626	+ var start = lineStart(cm, pos.line);
8627	+ var line = getLine(cm.doc, start.line);
8628	+ var order = getOrder(line);
8629	+ if (!order \|\| order[0].level == 0) {
8630	+ var firstNonWS = Math.max(0, line.text.search(/\S/));
8631	+ var inWS = pos.line == start.line && pos.ch <= firstNonWS && pos.ch;
8632	+ return Pos(start.line, inWS ? 0 : firstNonWS);
8633	+ }
8634	+ return start;
8635	+ }
8636	+
8637	+ function compareBidiLevel(order, a, b) {
8638	+ var linedir = order[0].level;
8639	+ if (a == linedir) return true;
8640	+ if (b == linedir) return false;
8641	+ return a < b;
8642	+ }
8643	+ var bidiOther;
8644	+ function getBidiPartAt(order, pos) {
8645	+ bidiOther = null;
8646	+ for (var i = 0, found; i < order.length; ++i) {
8647	+ var cur = order[i];
8648	+ if (cur.from < pos && cur.to > pos) return i;
8649	+ if ((cur.from == pos \|\| cur.to == pos)) {
8650	+ if (found == null) {
8651	+ found = i;
8652	+ } else if (compareBidiLevel(order, cur.level, order[found].level)) {
8653	+ if (cur.from != cur.to) bidiOther = found;
8654	+ return i;
8655	+ } else {
8656	+ if (cur.from != cur.to) bidiOther = i;
8657	+ return found;
8658	+ }
8659	+ }
8660	+ }
8661	+ return found;
8662	+ }
8663	+
8664	+ function moveInLine(line, pos, dir, byUnit) {
8665	+ if (!byUnit) return pos + dir;
8666	+ do pos += dir;
8667	+ while (pos > 0 && isExtendingChar(line.text.charAt(pos)));
8668	+ return pos;
8669	+ }
8670	+
8671	+ // This is needed in order to move 'visually' through bi-directional
8672	+ // text -- i.e., pressing left should make the cursor go left, even
8673	+ // when in RTL text. The tricky part is the 'jumps', where RTL and
8674	+ // LTR text touch each other. This often requires the cursor offset
8675	+ // to move more than one unit, in order to visually move one unit.
8676	+ function moveVisually(line, start, dir, byUnit) {
8677	+ var bidi = getOrder(line);
8678	+ if (!bidi) return moveLogically(line, start, dir, byUnit);
8679	+ var pos = getBidiPartAt(bidi, start), part = bidi[pos];
8680	+ var target = moveInLine(line, start, part.level % 2 ? -dir : dir, byUnit);
8681	+
8682	+ for (;;) {
8683	+ if (target > part.from && target < part.to) return target;
8684	+ if (target == part.from \|\| target == part.to) {
8685	+ if (getBidiPartAt(bidi, target) == pos) return target;
8686	+ part = bidi[pos += dir];
8687	+ return (dir > 0) == part.level % 2 ? part.to : part.from;
8688	+ } else {
8689	+ part = bidi[pos += dir];
8690	+ if (!part) return null;
8691	+ if ((dir > 0) == part.level % 2)
8692	+ target = moveInLine(line, part.to, -1, byUnit);
8693	+ else
8694	+ target = moveInLine(line, part.from, 1, byUnit);
8695	+ }
8696	+ }
8697	+ }
8698	+
8699	+ function moveLogically(line, start, dir, byUnit) {
8700	+ var target = start + dir;
8701	+ if (byUnit) while (target > 0 && isExtendingChar(line.text.charAt(target))) target += dir;
8702	+ return target < 0 \|\| target > line.text.length ? null : target;
8703	+ }
8704	+
8705	+ // Bidirectional ordering algorithm
8706	+ // See http://unicode.org/reports/tr9/tr9-13.html for the algorithm
8707	+ // that this (partially) implements.
8708	+
8709	+ // One-char codes used for character types:
8710	+ // L (L): Left-to-Right
8711	+ // R (R): Right-to-Left
8712	+ // r (AL): Right-to-Left Arabic
8713	+ // 1 (EN): European Number
8714	+ // + (ES): European Number Separator
8715	+ // % (ET): European Number Terminator
8716	+ // n (AN): Arabic Number
8717	+ // , (CS): Common Number Separator
8718	+ // m (NSM): Non-Spacing Mark
8719	+ // b (BN): Boundary Neutral
8720	+ // s (B): Paragraph Separator
8721	+ // t (S): Segment Separator
8722	+ // w (WS): Whitespace
8723	+ // N (ON): Other Neutrals
8724	+
8725	+ // Returns null if characters are ordered as they appear
8726	+ // (left-to-right), or an array of sections ({from, to, level}
8727	+ // objects) in the order in which they occur visually.
8728	+ var bidiOrdering = (function() {
8729	+ // Character types for codepoints 0 to 0xff
8730	+ var lowTypes = "bbbbbbbbbtstwsbbbbbbbbbbbbbbssstwNN%%%NNNNNN,N,N1111111111NNNNNNNLLLLLLLLLLLLLLLLLLLLLLLLLLNNNNNNLLLLLLLLLLLLLLLLLLLLLLLLLLNNNNbbbbbbsbbbbbbbbbbbbbbbbbbbbbbbbbb,N%%%%NNNNLNNNNN%%11NLNNN1LNNNNNLLLLLLLLLLLLLLLLLLLLLLLNLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLN";
8731	+ // Character types for codepoints 0x600 to 0x6ff
8732	+ var arabicTypes = "rrrrrrrrrrrr,rNNmmmmmmrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrmmmmmmmmmmmmmmrrrrrrrnnnnnnnnnn%nnrrrmrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrmmmmmmmmmmmmmmmmmmmNmmmm";
8733	+ function charType(code) {
8734	+ if (code <= 0xf7) return lowTypes.charAt(code);
8735	+ else if (0x590 <= code && code <= 0x5f4) return "R";
8736	+ else if (0x600 <= code && code <= 0x6ed) return arabicTypes.charAt(code - 0x600);
8737	+ else if (0x6ee <= code && code <= 0x8ac) return "r";
8738	+ else if (0x2000 <= code && code <= 0x200b) return "w";
8739	+ else if (code == 0x200c) return "b";
8740	+ else return "L";
8741	+ }
8742	+
8743	+ var bidiRE = /[\u0590-\u05f4\u0600-\u06ff\u0700-\u08ac]/;
8744	+ var isNeutral = /[stwN]/, isStrong = /[LRr]/, countsAsLeft = /[Lb1n]/, countsAsNum = /[1n]/;
8745	+ // Browsers seem to always treat the boundaries of block elements as being L.
8746	+ var outerType = "L";
8747	+
8748	+ function BidiSpan(level, from, to) {
8749	+ this.level = level;
8750	+ this.from = from; this.to = to;
8751	+ }
8752	+
8753	+ return function(str) {
8754	+ if (!bidiRE.test(str)) return false;
8755	+ var len = str.length, types = [];
8756	+ for (var i = 0, type; i < len; ++i)
8757	+ types.push(type = charType(str.charCodeAt(i)));
8758	+
8759	+ // W1. Examine each non-spacing mark (NSM) in the level run, and
8760	+ // change the type of the NSM to the type of the previous
8761	+ // character. If the NSM is at the start of the level run, it will
8762	+ // get the type of sor.
8763	+ for (var i = 0, prev = outerType; i < len; ++i) {
8764	+ var type = types[i];
8765	+ if (type == "m") types[i] = prev;
8766	+ else prev = type;
8767	+ }
8768	+
8769	+ // W2. Search backwards from each instance of a European number
8770	+ // until the first strong type (R, L, AL, or sor) is found. If an
8771	+ // AL is found, change the type of the European number to Arabic
8772	+ // number.
8773	+ // W3. Change all ALs to R.
8774	+ for (var i = 0, cur = outerType; i < len; ++i) {
8775	+ var type = types[i];
8776	+ if (type == "1" && cur == "r") types[i] = "n";
8777	+ else if (isStrong.test(type)) { cur = type; if (type == "r") types[i] = "R"; }
8778	+ }
8779	+
8780	+ // W4. A single European separator between two European numbers
8781	+ // changes to a European number. A single common separator between
8782	+ // two numbers of the same type changes to that type.
8783	+ for (var i = 1, prev = types[0]; i < len - 1; ++i) {
8784	+ var type = types[i];
8785	+ if (type == "+" && prev == "1" && types[i+1] == "1") types[i] = "1";
8786	+ else if (type == "," && prev == types[i+1] &&
8787	+ (prev == "1" \|\| prev == "n")) types[i] = prev;
8788	+ prev = type;
8789	+ }
8790	+
8791	+ // W5. A sequence of European terminators adjacent to European
8792	+ // numbers changes to all European numbers.
8793	+ // W6. Otherwise, separators and terminators change to Other
8794	+ // Neutral.
8795	+ for (var i = 0; i < len; ++i) {
8796	+ var type = types[i];
8797	+ if (type == ",") types[i] = "N";
8798	+ else if (type == "%") {
8799	+ for (var end = i + 1; end < len && types[end] == "%"; ++end) {}
8800	+ var replace = (i && types[i-1] == "!") \|\| (end < len && types[end] == "1") ? "1" : "N";
8801	+ for (var j = i; j < end; ++j) types[j] = replace;
8802	+ i = end - 1;
8803	+ }
8804	+ }
8805	+
8806	+ // W7. Search backwards from each instance of a European number
8807	+ // until the first strong type (R, L, or sor) is found. If an L is
8808	+ // found, then change the type of the European number to L.
8809	+ for (var i = 0, cur = outerType; i < len; ++i) {
8810	+ var type = types[i];
8811	+ if (cur == "L" && type == "1") types[i] = "L";
8812	+ else if (isStrong.test(type)) cur = type;
8813	+ }
8814	+
8815	+ // N1. A sequence of neutrals takes the direction of the
8816	+ // surrounding strong text if the text on both sides has the same
8817	+ // direction. European and Arabic numbers act as if they were R in
8818	+ // terms of their influence on neutrals. Start-of-level-run (sor)
8819	+ // and end-of-level-run (eor) are used at level run boundaries.
8820	+ // N2. Any remaining neutrals take the embedding direction.
8821	+ for (var i = 0; i < len; ++i) {
8822	+ if (isNeutral.test(types[i])) {
8823	+ for (var end = i + 1; end < len && isNeutral.test(types[end]); ++end) {}
8824	+ var before = (i ? types[i-1] : outerType) == "L";
8825	+ var after = (end < len ? types[end] : outerType) == "L";
8826	+ var replace = before \|\| after ? "L" : "R";
8827	+ for (var j = i; j < end; ++j) types[j] = replace;
8828	+ i = end - 1;
8829	+ }
8830	+ }
8831	+
8832	+ // Here we depart from the documented algorithm, in order to avoid
8833	+ // building up an actual levels array. Since there are only three
8834	+ // levels (0, 1, 2) in an implementation that doesn't take
8835	+ // explicit embedding into account, we can build up the order on
8836	+ // the fly, without following the level-based algorithm.
8837	+ var order = [], m;
8838	+ for (var i = 0; i < len;) {
8839	+ if (countsAsLeft.test(types[i])) {
8840	+ var start = i;
8841	+ for (++i; i < len && countsAsLeft.test(types[i]); ++i) {}
8842	+ order.push(new BidiSpan(0, start, i));
8843	+ } else {
8844	+ var pos = i, at = order.length;
8845	+ for (++i; i < len && types[i] != "L"; ++i) {}
8846	+ for (var j = pos; j < i;) {
8847	+ if (countsAsNum.test(types[j])) {
8848	+ if (pos < j) order.splice(at, 0, new BidiSpan(1, pos, j));
8849	+ var nstart = j;
8850	+ for (++j; j < i && countsAsNum.test(types[j]); ++j) {}
8851	+ order.splice(at, 0, new BidiSpan(2, nstart, j));
8852	+ pos = j;
8853	+ } else ++j;
8854	+ }
8855	+ if (pos < i) order.splice(at, 0, new BidiSpan(1, pos, i));
8856	+ }
8857	+ }
8858	+ if (order[0].level == 1 && (m = str.match(/^\s+/))) {
8859	+ order[0].from = m[0].length;
8860	+ order.unshift(new BidiSpan(0, 0, m[0].length));
8861	+ }
8862	+ if (lst(order).level == 1 && (m = str.match(/\s+$/))) {
8863	+ lst(order).to -= m[0].length;
8864	+ order.push(new BidiSpan(0, len - m[0].length, len));
8865	+ }
8866	+ if (order[0].level == 2)
8867	+ order.unshift(new BidiSpan(1, order[0].to, order[0].to));
8868	+ if (order[0].level != lst(order).level)
8869	+ order.push(new BidiSpan(order[0].level, len, len));
8870	+
8871	+ return order;
8872	+ };
8873	+ })();
8874	+
8875	+ // THE END
8876	+
8877	+ CodeMirror.version = "5.9.1";
8878	+
8879	+ return CodeMirror;
8880	+ });

codemirror/mode/css.js ADDED Viewed

	@@ -0,0 +1,824 @@


1	+ // CodeMirror, copyright (c) by Marijn Haverbeke and others
2	+ // Distributed under an MIT license: http://codemirror.net/LICENSE
3	+
4	+ (function(mod) {
5	+ if (typeof exports == "object" && typeof module == "object") // CommonJS
6	+ mod(require("../../lib/codemirror"));
7	+ else if (typeof define == "function" && define.amd) // AMD
8	+ define(["../../lib/codemirror"], mod);
9	+ else // Plain browser env
10	+ mod(CodeMirror);
11	+ })(function(CodeMirror) {
12	+ "use strict";
13	+
14	+ CodeMirror.defineMode("css", function(config, parserConfig) {
15	+ var inline = parserConfig.inline
16	+ if (!parserConfig.propertyKeywords) parserConfig = CodeMirror.resolveMode("text/css");
17	+
18	+ var indentUnit = config.indentUnit,
19	+ tokenHooks = parserConfig.tokenHooks,
20	+ documentTypes = parserConfig.documentTypes \|\| {},
21	+ mediaTypes = parserConfig.mediaTypes \|\| {},
22	+ mediaFeatures = parserConfig.mediaFeatures \|\| {},
23	+ mediaValueKeywords = parserConfig.mediaValueKeywords \|\| {},
24	+ propertyKeywords = parserConfig.propertyKeywords \|\| {},
25	+ nonStandardPropertyKeywords = parserConfig.nonStandardPropertyKeywords \|\| {},
26	+ fontProperties = parserConfig.fontProperties \|\| {},
27	+ counterDescriptors = parserConfig.counterDescriptors \|\| {},
28	+ colorKeywords = parserConfig.colorKeywords \|\| {},
29	+ valueKeywords = parserConfig.valueKeywords \|\| {},
30	+ allowNested = parserConfig.allowNested,
31	+ supportsAtComponent = parserConfig.supportsAtComponent === true;
32	+
33	+ var type, override;
34	+ function ret(style, tp) { type = tp; return style; }
35	+
36	+ // Tokenizers
37	+
38	+ function tokenBase(stream, state) {
39	+ var ch = stream.next();
40	+ if (tokenHooks[ch]) {
41	+ var result = tokenHooks[ch](stream, state);
42	+ if (result !== false) return result;
43	+ }
44	+ if (ch == "@") {
45	+ stream.eatWhile(/[\w\\\-]/);
46	+ return ret("def", stream.current());
47	+ } else if (ch == "=" \|\| (ch == "~" \|\| ch == "\|") && stream.eat("=")) {
48	+ return ret(null, "compare");
49	+ } else if (ch == "\"" \|\| ch == "'") {
50	+ state.tokenize = tokenString(ch);
51	+ return state.tokenize(stream, state);
52	+ } else if (ch == "#") {
53	+ stream.eatWhile(/[\w\\\-]/);
54	+ return ret("atom", "hash");
55	+ } else if (ch == "!") {
56	+ stream.match(/^\s\w/);
57	+ return ret("keyword", "important");
58	+ } else if (/\d/.test(ch) \|\| ch == "." && stream.eat(/\d/)) {
59	+ stream.eatWhile(/[\w.%]/);
60	+ return ret("number", "unit");
61	+ } else if (ch === "-") {
62	+ if (/[\d.]/.test(stream.peek())) {
63	+ stream.eatWhile(/[\w.%]/);
64	+ return ret("number", "unit");
65	+ } else if (stream.match(/^-[\w\\\-]+/)) {
66	+ stream.eatWhile(/[\w\\\-]/);
67	+ if (stream.match(/^\s*:/, false))
68	+ return ret("variable-2", "variable-definition");
69	+ return ret("variable-2", "variable");
70	+ } else if (stream.match(/^\w+-/)) {
71	+ return ret("meta", "meta");
72	+ }
73	+ } else if (/[,+>*\/]/.test(ch)) {
74	+ return ret(null, "select-op");
75	+ } else if (ch == "." && stream.match(/^-?[_a-z][_a-z0-9-]*/i)) {
76	+ return ret("qualifier", "qualifier");
77	+ } else if (/[:;{}\[\]]/.test(ch)) {
78	+ return ret(null, ch);
79	+ } else if ((ch == "u" && stream.match(/rl(-prefix)?\(/)) \|\|
80	+ (ch == "d" && stream.match("omain(")) \|\|
81	+ (ch == "r" && stream.match("egexp("))) {
82	+ stream.backUp(1);
83	+ state.tokenize = tokenParenthesized;
84	+ return ret("property", "word");
85	+ } else if (/[\w\\\-]/.test(ch)) {
86	+ stream.eatWhile(/[\w\\\-]/);
87	+ return ret("property", "word");
88	+ } else {
89	+ return ret(null, null);
90	+ }
91	+ }
92	+
93	+ function tokenString(quote) {
94	+ return function(stream, state) {
95	+ var escaped = false, ch;
96	+ while ((ch = stream.next()) != null) {
97	+ if (ch == quote && !escaped) {
98	+ if (quote == ")") stream.backUp(1);
99	+ break;
100	+ }
101	+ escaped = !escaped && ch == "\\";
102	+ }
103	+ if (ch == quote \|\| !escaped && quote != ")") state.tokenize = null;
104	+ return ret("string", "string");
105	+ };
106	+ }
107	+
108	+ function tokenParenthesized(stream, state) {
109	+ stream.next(); // Must be '('
110	+ if (!stream.match(/\s*[\"\')]/, false))
111	+ state.tokenize = tokenString(")");
112	+ else
113	+ state.tokenize = null;
114	+ return ret(null, "(");
115	+ }
116	+
117	+ // Context management
118	+
119	+ function Context(type, indent, prev) {
120	+ this.type = type;
121	+ this.indent = indent;
122	+ this.prev = prev;
123	+ }
124	+
125	+ function pushContext(state, stream, type, indent) {
126	+ state.context = new Context(type, stream.indentation() + (indent === false ? 0 : indentUnit), state.context);
127	+ return type;
128	+ }
129	+
130	+ function popContext(state) {
131	+ if (state.context.prev)
132	+ state.context = state.context.prev;
133	+ return state.context.type;
134	+ }
135	+
136	+ function pass(type, stream, state) {
137	+ return states[state.context.type](type, stream, state);
138	+ }
139	+ function popAndPass(type, stream, state, n) {
140	+ for (var i = n \|\| 1; i > 0; i--)
141	+ state.context = state.context.prev;
142	+ return pass(type, stream, state);
143	+ }
144	+
145	+ // Parser
146	+
147	+ function wordAsValue(stream) {
148	+ var word = stream.current().toLowerCase();
149	+ if (valueKeywords.hasOwnProperty(word))
150	+ override = "atom";
151	+ else if (colorKeywords.hasOwnProperty(word))
152	+ override = "keyword";
153	+ else
154	+ override = "variable";
155	+ }
156	+
157	+ var states = {};
158	+
159	+ states.top = function(type, stream, state) {
160	+ if (type == "{") {
161	+ return pushContext(state, stream, "block");
162	+ } else if (type == "}" && state.context.prev) {
163	+ return popContext(state);
164	+ } else if (supportsAtComponent && /@component/.test(type)) {
165	+ return pushContext(state, stream, "atComponentBlock");
166	+ } else if (/^@(-moz-)?document$/.test(type)) {
167	+ return pushContext(state, stream, "documentTypes");
168	+ } else if (/^@(media\|supports\|(-moz-)?document\|import)$/.test(type)) {
169	+ return pushContext(state, stream, "atBlock");
170	+ } else if (/^@(font-face\|counter-style)/.test(type)) {
171	+ state.stateArg = type;
172	+ return "restricted_atBlock_before";
173	+ } else if (/^@(-(moz\|ms\|o\|webkit)-)?keyframes$/.test(type)) {
174	+ return "keyframes";
175	+ } else if (type && type.charAt(0) == "@") {
176	+ return pushContext(state, stream, "at");
177	+ } else if (type == "hash") {
178	+ override = "builtin";
179	+ } else if (type == "word") {
180	+ override = "tag";
181	+ } else if (type == "variable-definition") {
182	+ return "maybeprop";
183	+ } else if (type == "interpolation") {
184	+ return pushContext(state, stream, "interpolation");
185	+ } else if (type == ":") {
186	+ return "pseudo";
187	+ } else if (allowNested && type == "(") {
188	+ return pushContext(state, stream, "parens");
189	+ }
190	+ return state.context.type;
191	+ };
192	+
193	+ states.block = function(type, stream, state) {
194	+ if (type == "word") {
195	+ var word = stream.current().toLowerCase();
196	+ if (propertyKeywords.hasOwnProperty(word)) {
197	+ override = "property";
198	+ return "maybeprop";
199	+ } else if (nonStandardPropertyKeywords.hasOwnProperty(word)) {
200	+ override = "string-2";
201	+ return "maybeprop";
202	+ } else if (allowNested) {
203	+ override = stream.match(/^\s*:(?:\s\|$)/, false) ? "property" : "tag";
204	+ return "block";
205	+ } else {
206	+ override += " error";
207	+ return "maybeprop";
208	+ }
209	+ } else if (type == "meta") {
210	+ return "block";
211	+ } else if (!allowNested && (type == "hash" \|\| type == "qualifier")) {
212	+ override = "error";
213	+ return "block";
214	+ } else {
215	+ return states.top(type, stream, state);
216	+ }
217	+ };
218	+
219	+ states.maybeprop = function(type, stream, state) {
220	+ if (type == ":") return pushContext(state, stream, "prop");
221	+ return pass(type, stream, state);
222	+ };
223	+
224	+ states.prop = function(type, stream, state) {
225	+ if (type == ";") return popContext(state);
226	+ if (type == "{" && allowNested) return pushContext(state, stream, "propBlock");
227	+ if (type == "}" \|\| type == "{") return popAndPass(type, stream, state);
228	+ if (type == "(") return pushContext(state, stream, "parens");
229	+
230	+ if (type == "hash" && !/^#([0-9a-fA-f]{3,4}\|[0-9a-fA-f]{6}\|[0-9a-fA-f]{8})$/.test(stream.current())) {
231	+ override += " error";
232	+ } else if (type == "word") {
233	+ wordAsValue(stream);
234	+ } else if (type == "interpolation") {
235	+ return pushContext(state, stream, "interpolation");
236	+ }
237	+ return "prop";
238	+ };
239	+
240	+ states.propBlock = function(type, _stream, state) {
241	+ if (type == "}") return popContext(state);
242	+ if (type == "word") { override = "property"; return "maybeprop"; }
243	+ return state.context.type;
244	+ };
245	+
246	+ states.parens = function(type, stream, state) {
247	+ if (type == "{" \|\| type == "}") return popAndPass(type, stream, state);
248	+ if (type == ")") return popContext(state);
249	+ if (type == "(") return pushContext(state, stream, "parens");
250	+ if (type == "interpolation") return pushContext(state, stream, "interpolation");
251	+ if (type == "word") wordAsValue(stream);
252	+ return "parens";
253	+ };
254	+
255	+ states.pseudo = function(type, stream, state) {
256	+ if (type == "word") {
257	+ override = "variable-3";
258	+ return state.context.type;
259	+ }
260	+ return pass(type, stream, state);
261	+ };
262	+
263	+ states.documentTypes = function(type, stream, state) {
264	+ if (type == "word" && documentTypes.hasOwnProperty(stream.current())) {
265	+ override = "tag";
266	+ return state.context.type;
267	+ } else {
268	+ return states.atBlock(type, stream, state);
269	+ }
270	+ };
271	+
272	+ states.atBlock = function(type, stream, state) {
273	+ if (type == "(") return pushContext(state, stream, "atBlock_parens");
274	+ if (type == "}" \|\| type == ";") return popAndPass(type, stream, state);
275	+ if (type == "{") return popContext(state) && pushContext(state, stream, allowNested ? "block" : "top");
276	+
277	+ if (type == "interpolation") return pushContext(state, stream, "interpolation");
278	+
279	+ if (type == "word") {
280	+ var word = stream.current().toLowerCase();
281	+ if (word == "only" \|\| word == "not" \|\| word == "and" \|\| word == "or")
282	+ override = "keyword";
283	+ else if (mediaTypes.hasOwnProperty(word))
284	+ override = "attribute";
285	+ else if (mediaFeatures.hasOwnProperty(word))
286	+ override = "property";
287	+ else if (mediaValueKeywords.hasOwnProperty(word))
288	+ override = "keyword";
289	+ else if (propertyKeywords.hasOwnProperty(word))
290	+ override = "property";
291	+ else if (nonStandardPropertyKeywords.hasOwnProperty(word))
292	+ override = "string-2";
293	+ else if (valueKeywords.hasOwnProperty(word))
294	+ override = "atom";
295	+ else if (colorKeywords.hasOwnProperty(word))
296	+ override = "keyword";
297	+ else
298	+ override = "error";
299	+ }
300	+ return state.context.type;
301	+ };
302	+
303	+ states.atComponentBlock = function(type, stream, state) {
304	+ if (type == "}")
305	+ return popAndPass(type, stream, state);
306	+ if (type == "{")
307	+ return popContext(state) && pushContext(state, stream, allowNested ? "block" : "top", false);
308	+ if (type == "word")
309	+ override = "error";
310	+ return state.context.type;
311	+ };
312	+
313	+ states.atBlock_parens = function(type, stream, state) {
314	+ if (type == ")") return popContext(state);
315	+ if (type == "{" \|\| type == "}") return popAndPass(type, stream, state, 2);
316	+ return states.atBlock(type, stream, state);
317	+ };
318	+
319	+ states.restricted_atBlock_before = function(type, stream, state) {
320	+ if (type == "{")
321	+ return pushContext(state, stream, "restricted_atBlock");
322	+ if (type == "word" && state.stateArg == "@counter-style") {
323	+ override = "variable";
324	+ return "restricted_atBlock_before";
325	+ }
326	+ return pass(type, stream, state);
327	+ };
328	+
329	+ states.restricted_atBlock = function(type, stream, state) {
330	+ if (type == "}") {
331	+ state.stateArg = null;
332	+ return popContext(state);
333	+ }
334	+ if (type == "word") {
335	+ if ((state.stateArg == "@font-face" && !fontProperties.hasOwnProperty(stream.current().toLowerCase())) \|\|
336	+ (state.stateArg == "@counter-style" && !counterDescriptors.hasOwnProperty(stream.current().toLowerCase())))
337	+ override = "error";
338	+ else
339	+ override = "property";
340	+ return "maybeprop";
341	+ }
342	+ return "restricted_atBlock";
343	+ };
344	+
345	+ states.keyframes = function(type, stream, state) {
346	+ if (type == "word") { override = "variable"; return "keyframes"; }
347	+ if (type == "{") return pushContext(state, stream, "top");
348	+ return pass(type, stream, state);
349	+ };
350	+
351	+ states.at = function(type, stream, state) {
352	+ if (type == ";") return popContext(state);
353	+ if (type == "{" \|\| type == "}") return popAndPass(type, stream, state);
354	+ if (type == "word") override = "tag";
355	+ else if (type == "hash") override = "builtin";
356	+ return "at";
357	+ };
358	+
359	+ states.interpolation = function(type, stream, state) {
360	+ if (type == "}") return popContext(state);
361	+ if (type == "{" \|\| type == ";") return popAndPass(type, stream, state);
362	+ if (type == "word") override = "variable";
363	+ else if (type != "variable" && type != "(" && type != ")") override = "error";
364	+ return "interpolation";
365	+ };
366	+
367	+ return {
368	+ startState: function(base) {
369	+ return {tokenize: null,
370	+ state: inline ? "block" : "top",
371	+ stateArg: null,
372	+ context: new Context(inline ? "block" : "top", base \|\| 0, null)};
373	+ },
374	+
375	+ token: function(stream, state) {
376	+ if (!state.tokenize && stream.eatSpace()) return null;
377	+ var style = (state.tokenize \|\| tokenBase)(stream, state);
378	+ if (style && typeof style == "object") {
379	+ type = style[1];
380	+ style = style[0];
381	+ }
382	+ override = style;
383	+ state.state = states[state.state](type, stream, state);
384	+ return override;
385	+ },
386	+
387	+ indent: function(state, textAfter) {
388	+ var cx = state.context, ch = textAfter && textAfter.charAt(0);
389	+ var indent = cx.indent;
390	+ if (cx.type == "prop" && (ch == "}" \|\| ch == ")")) cx = cx.prev;
391	+ if (cx.prev) {
392	+ if (ch == "}" && (cx.type == "block" \|\| cx.type == "top" \|\|
393	+ cx.type == "interpolation" \|\| cx.type == "restricted_atBlock")) {
394	+ // Resume indentation from parent context.
395	+ cx = cx.prev;
396	+ indent = cx.indent;
397	+ } else if (ch == ")" && (cx.type == "parens" \|\| cx.type == "atBlock_parens") \|\|
398	+ ch == "{" && (cx.type == "at" \|\| cx.type == "atBlock")) {
399	+ // Dedent relative to current context.
400	+ indent = Math.max(0, cx.indent - indentUnit);
401	+ cx = cx.prev;
402	+ }
403	+ }
404	+ return indent;
405	+ },
406	+
407	+ electricChars: "}",
408	+ blockCommentStart: "/*",
409	+ blockCommentEnd: "*/",
410	+ fold: "brace"
411	+ };
412	+ });
413	+
414	+ function keySet(array) {
415	+ var keys = {};
416	+ for (var i = 0; i < array.length; ++i) {
417	+ keys[array[i]] = true;
418	+ }
419	+ return keys;
420	+ }
421	+
422	+ var documentTypes_ = [
423	+ "domain", "regexp", "url", "url-prefix"
424	+ ], documentTypes = keySet(documentTypes_);
425	+
426	+ var mediaTypes_ = [
427	+ "all", "aural", "braille", "handheld", "print", "projection", "screen",
428	+ "tty", "tv", "embossed"
429	+ ], mediaTypes = keySet(mediaTypes_);
430	+
431	+ var mediaFeatures_ = [
432	+ "width", "min-width", "max-width", "height", "min-height", "max-height",
433	+ "device-width", "min-device-width", "max-device-width", "device-height",
434	+ "min-device-height", "max-device-height", "aspect-ratio",
435	+ "min-aspect-ratio", "max-aspect-ratio", "device-aspect-ratio",
436	+ "min-device-aspect-ratio", "max-device-aspect-ratio", "color", "min-color",
437	+ "max-color", "color-index", "min-color-index", "max-color-index",
438	+ "monochrome", "min-monochrome", "max-monochrome", "resolution",
439	+ "min-resolution", "max-resolution", "scan", "grid", "orientation",
440	+ "device-pixel-ratio", "min-device-pixel-ratio", "max-device-pixel-ratio",
441	+ "pointer", "any-pointer", "hover", "any-hover"
442	+ ], mediaFeatures = keySet(mediaFeatures_);
443	+
444	+ var mediaValueKeywords_ = [
445	+ "landscape", "portrait", "none", "coarse", "fine", "on-demand", "hover",
446	+ "interlace", "progressive"
447	+ ], mediaValueKeywords = keySet(mediaValueKeywords_);
448	+
449	+ var propertyKeywords_ = [
450	+ "align-content", "align-items", "align-self", "alignment-adjust",
451	+ "alignment-baseline", "anchor-point", "animation", "animation-delay",
452	+ "animation-direction", "animation-duration", "animation-fill-mode",
453	+ "animation-iteration-count", "animation-name", "animation-play-state",
454	+ "animation-timing-function", "appearance", "azimuth", "backface-visibility",
455	+ "background", "background-attachment", "background-clip", "background-color",
456	+ "background-image", "background-origin", "background-position",
457	+ "background-repeat", "background-size", "baseline-shift", "binding",
458	+ "bleed", "bookmark-label", "bookmark-level", "bookmark-state",
459	+ "bookmark-target", "border", "border-bottom", "border-bottom-color",
460	+ "border-bottom-left-radius", "border-bottom-right-radius",
461	+ "border-bottom-style", "border-bottom-width", "border-collapse",
462	+ "border-color", "border-image", "border-image-outset",
463	+ "border-image-repeat", "border-image-slice", "border-image-source",
464	+ "border-image-width", "border-left", "border-left-color",
465	+ "border-left-style", "border-left-width", "border-radius", "border-right",
466	+ "border-right-color", "border-right-style", "border-right-width",
467	+ "border-spacing", "border-style", "border-top", "border-top-color",
468	+ "border-top-left-radius", "border-top-right-radius", "border-top-style",
469	+ "border-top-width", "border-width", "bottom", "box-decoration-break",
470	+ "box-shadow", "box-sizing", "break-after", "break-before", "break-inside",
471	+ "caption-side", "clear", "clip", "color", "color-profile", "column-count",
472	+ "column-fill", "column-gap", "column-rule", "column-rule-color",
473	+ "column-rule-style", "column-rule-width", "column-span", "column-width",
474	+ "columns", "content", "counter-increment", "counter-reset", "crop", "cue",
475	+ "cue-after", "cue-before", "cursor", "direction", "display",
476	+ "dominant-baseline", "drop-initial-after-adjust",
477	+ "drop-initial-after-align", "drop-initial-before-adjust",
478	+ "drop-initial-before-align", "drop-initial-size", "drop-initial-value",
479	+ "elevation", "empty-cells", "fit", "fit-position", "flex", "flex-basis",
480	+ "flex-direction", "flex-flow", "flex-grow", "flex-shrink", "flex-wrap",
481	+ "float", "float-offset", "flow-from", "flow-into", "font", "font-feature-settings",
482	+ "font-family", "font-kerning", "font-language-override", "font-size", "font-size-adjust",
483	+ "font-stretch", "font-style", "font-synthesis", "font-variant",
484	+ "font-variant-alternates", "font-variant-caps", "font-variant-east-asian",
485	+ "font-variant-ligatures", "font-variant-numeric", "font-variant-position",
486	+ "font-weight", "grid", "grid-area", "grid-auto-columns", "grid-auto-flow",
487	+ "grid-auto-position", "grid-auto-rows", "grid-column", "grid-column-end",
488	+ "grid-column-start", "grid-row", "grid-row-end", "grid-row-start",
489	+ "grid-template", "grid-template-areas", "grid-template-columns",
490	+ "grid-template-rows", "hanging-punctuation", "height", "hyphens",
491	+ "icon", "image-orientation", "image-rendering", "image-resolution",
492	+ "inline-box-align", "justify-content", "left", "letter-spacing",
493	+ "line-break", "line-height", "line-stacking", "line-stacking-ruby",
494	+ "line-stacking-shift", "line-stacking-strategy", "list-style",
495	+ "list-style-image", "list-style-position", "list-style-type", "margin",
496	+ "margin-bottom", "margin-left", "margin-right", "margin-top",
497	+ "marker-offset", "marks", "marquee-direction", "marquee-loop",
498	+ "marquee-play-count", "marquee-speed", "marquee-style", "max-height",
499	+ "max-width", "min-height", "min-width", "move-to", "nav-down", "nav-index",
500	+ "nav-left", "nav-right", "nav-up", "object-fit", "object-position",
501	+ "opacity", "order", "orphans", "outline",
502	+ "outline-color", "outline-offset", "outline-style", "outline-width",
503	+ "overflow", "overflow-style", "overflow-wrap", "overflow-x", "overflow-y",
504	+ "padding", "padding-bottom", "padding-left", "padding-right", "padding-top",
505	+ "page", "page-break-after", "page-break-before", "page-break-inside",
506	+ "page-policy", "pause", "pause-after", "pause-before", "perspective",
507	+ "perspective-origin", "pitch", "pitch-range", "play-during", "position",
508	+ "presentation-level", "punctuation-trim", "quotes", "region-break-after",
509	+ "region-break-before", "region-break-inside", "region-fragment",
510	+ "rendering-intent", "resize", "rest", "rest-after", "rest-before", "richness",
511	+ "right", "rotation", "rotation-point", "ruby-align", "ruby-overhang",
512	+ "ruby-position", "ruby-span", "shape-image-threshold", "shape-inside", "shape-margin",
513	+ "shape-outside", "size", "speak", "speak-as", "speak-header",
514	+ "speak-numeral", "speak-punctuation", "speech-rate", "stress", "string-set",
515	+ "tab-size", "table-layout", "target", "target-name", "target-new",
516	+ "target-position", "text-align", "text-align-last", "text-decoration",
517	+ "text-decoration-color", "text-decoration-line", "text-decoration-skip",
518	+ "text-decoration-style", "text-emphasis", "text-emphasis-color",
519	+ "text-emphasis-position", "text-emphasis-style", "text-height",
520	+ "text-indent", "text-justify", "text-outline", "text-overflow", "text-shadow",
521	+ "text-size-adjust", "text-space-collapse", "text-transform", "text-underline-position",
522	+ "text-wrap", "top", "transform", "transform-origin", "transform-style",
523	+ "transition", "transition-delay", "transition-duration",
524	+ "transition-property", "transition-timing-function", "unicode-bidi",
525	+ "vertical-align", "visibility", "voice-balance", "voice-duration",
526	+ "voice-family", "voice-pitch", "voice-range", "voice-rate", "voice-stress",
527	+ "voice-volume", "volume", "white-space", "widows", "width", "word-break",
528	+ "word-spacing", "word-wrap", "z-index",
529	+ // SVG-specific
530	+ "clip-path", "clip-rule", "mask", "enable-background", "filter", "flood-color",
531	+ "flood-opacity", "lighting-color", "stop-color", "stop-opacity", "pointer-events",
532	+ "color-interpolation", "color-interpolation-filters",
533	+ "color-rendering", "fill", "fill-opacity", "fill-rule", "image-rendering",
534	+ "marker", "marker-end", "marker-mid", "marker-start", "shape-rendering", "stroke",
535	+ "stroke-dasharray", "stroke-dashoffset", "stroke-linecap", "stroke-linejoin",
536	+ "stroke-miterlimit", "stroke-opacity", "stroke-width", "text-rendering",
537	+ "baseline-shift", "dominant-baseline", "glyph-orientation-horizontal",
538	+ "glyph-orientation-vertical", "text-anchor", "writing-mode"
539	+ ], propertyKeywords = keySet(propertyKeywords_);
540	+
541	+ var nonStandardPropertyKeywords_ = [
542	+ "scrollbar-arrow-color", "scrollbar-base-color", "scrollbar-dark-shadow-color",
543	+ "scrollbar-face-color", "scrollbar-highlight-color", "scrollbar-shadow-color",
544	+ "scrollbar-3d-light-color", "scrollbar-track-color", "shape-inside",
545	+ "searchfield-cancel-button", "searchfield-decoration", "searchfield-results-button",
546	+ "searchfield-results-decoration", "zoom"
547	+ ], nonStandardPropertyKeywords = keySet(nonStandardPropertyKeywords_);
548	+
549	+ var fontProperties_ = [
550	+ "font-family", "src", "unicode-range", "font-variant", "font-feature-settings",
551	+ "font-stretch", "font-weight", "font-style"
552	+ ], fontProperties = keySet(fontProperties_);
553	+
554	+ var counterDescriptors_ = [
555	+ "additive-symbols", "fallback", "negative", "pad", "prefix", "range",
556	+ "speak-as", "suffix", "symbols", "system"
557	+ ], counterDescriptors = keySet(counterDescriptors_);
558	+
559	+ var colorKeywords_ = [
560	+ "aliceblue", "antiquewhite", "aqua", "aquamarine", "azure", "beige",
561	+ "bisque", "black", "blanchedalmond", "blue", "blueviolet", "brown",
562	+ "burlywood", "cadetblue", "chartreuse", "chocolate", "coral", "cornflowerblue",
563	+ "cornsilk", "crimson", "cyan", "darkblue", "darkcyan", "darkgoldenrod",
564	+ "darkgray", "darkgreen", "darkkhaki", "darkmagenta", "darkolivegreen",
565	+ "darkorange", "darkorchid", "darkred", "darksalmon", "darkseagreen",
566	+ "darkslateblue", "darkslategray", "darkturquoise", "darkviolet",
567	+ "deeppink", "deepskyblue", "dimgray", "dodgerblue", "firebrick",
568	+ "floralwhite", "forestgreen", "fuchsia", "gainsboro", "ghostwhite",
569	+ "gold", "goldenrod", "gray", "grey", "green", "greenyellow", "honeydew",
570	+ "hotpink", "indianred", "indigo", "ivory", "khaki", "lavender",
571	+ "lavenderblush", "lawngreen", "lemonchiffon", "lightblue", "lightcoral",
572	+ "lightcyan", "lightgoldenrodyellow", "lightgray", "lightgreen", "lightpink",
573	+ "lightsalmon", "lightseagreen", "lightskyblue", "lightslategray",
574	+ "lightsteelblue", "lightyellow", "lime", "limegreen", "linen", "magenta",
575	+ "maroon", "mediumaquamarine", "mediumblue", "mediumorchid", "mediumpurple",
576	+ "mediumseagreen", "mediumslateblue", "mediumspringgreen", "mediumturquoise",
577	+ "mediumvioletred", "midnightblue", "mintcream", "mistyrose", "moccasin",
578	+ "navajowhite", "navy", "oldlace", "olive", "olivedrab", "orange", "orangered",
579	+ "orchid", "palegoldenrod", "palegreen", "paleturquoise", "palevioletred",
580	+ "papayawhip", "peachpuff", "peru", "pink", "plum", "powderblue",
581	+ "purple", "rebeccapurple", "red", "rosybrown", "royalblue", "saddlebrown",
582	+ "salmon", "sandybrown", "seagreen", "seashell", "sienna", "silver", "skyblue",
583	+ "slateblue", "slategray", "snow", "springgreen", "steelblue", "tan",
584	+ "teal", "thistle", "tomato", "turquoise", "violet", "wheat", "white",
585	+ "whitesmoke", "yellow", "yellowgreen"
586	+ ], colorKeywords = keySet(colorKeywords_);
587	+
588	+ var valueKeywords_ = [
589	+ "above", "absolute", "activeborder", "additive", "activecaption", "afar",
590	+ "after-white-space", "ahead", "alias", "all", "all-scroll", "alphabetic", "alternate",
591	+ "always", "amharic", "amharic-abegede", "antialiased", "appworkspace",
592	+ "arabic-indic", "armenian", "asterisks", "attr", "auto", "avoid", "avoid-column", "avoid-page",
593	+ "avoid-region", "background", "backwards", "baseline", "below", "bidi-override", "binary",
594	+ "bengali", "blink", "block", "block-axis", "bold", "bolder", "border", "border-box",
595	+ "both", "bottom", "break", "break-all", "break-word", "bullets", "button", "button-bevel",
596	+ "buttonface", "buttonhighlight", "buttonshadow", "buttontext", "calc", "cambodian",
597	+ "capitalize", "caps-lock-indicator", "caption", "captiontext", "caret",
598	+ "cell", "center", "checkbox", "circle", "cjk-decimal", "cjk-earthly-branch",
599	+ "cjk-heavenly-stem", "cjk-ideographic", "clear", "clip", "close-quote",
600	+ "col-resize", "collapse", "column", "column-reverse", "compact", "condensed", "contain", "content",
601	+ "content-box", "context-menu", "continuous", "copy", "counter", "counters", "cover", "crop",
602	+ "cross", "crosshair", "currentcolor", "cursive", "cyclic", "dashed", "decimal",
603	+ "decimal-leading-zero", "default", "default-button", "destination-atop",
604	+ "destination-in", "destination-out", "destination-over", "devanagari",
605	+ "disc", "discard", "disclosure-closed", "disclosure-open", "document",
606	+ "dot-dash", "dot-dot-dash",
607	+ "dotted", "double", "down", "e-resize", "ease", "ease-in", "ease-in-out", "ease-out",
608	+ "element", "ellipse", "ellipsis", "embed", "end", "ethiopic", "ethiopic-abegede",
609	+ "ethiopic-abegede-am-et", "ethiopic-abegede-gez", "ethiopic-abegede-ti-er",
610	+ "ethiopic-abegede-ti-et", "ethiopic-halehame-aa-er",
611	+ "ethiopic-halehame-aa-et", "ethiopic-halehame-am-et",
612	+ "ethiopic-halehame-gez", "ethiopic-halehame-om-et",
613	+ "ethiopic-halehame-sid-et", "ethiopic-halehame-so-et",
614	+ "ethiopic-halehame-ti-er", "ethiopic-halehame-ti-et", "ethiopic-halehame-tig",
615	+ "ethiopic-numeric", "ew-resize", "expanded", "extends", "extra-condensed",
616	+ "extra-expanded", "fantasy", "fast", "fill", "fixed", "flat", "flex", "flex-end", "flex-start", "footnotes",
617	+ "forwards", "from", "geometricPrecision", "georgian", "graytext", "groove",
618	+ "gujarati", "gurmukhi", "hand", "hangul", "hangul-consonant", "hebrew",
619	+ "help", "hidden", "hide", "higher", "highlight", "highlighttext",
620	+ "hiragana", "hiragana-iroha", "horizontal", "hsl", "hsla", "icon", "ignore",
621	+ "inactiveborder", "inactivecaption", "inactivecaptiontext", "infinite",
622	+ "infobackground", "infotext", "inherit", "initial", "inline", "inline-axis",
623	+ "inline-block", "inline-flex", "inline-table", "inset", "inside", "intrinsic", "invert",
624	+ "italic", "japanese-formal", "japanese-informal", "justify", "kannada",
625	+ "katakana", "katakana-iroha", "keep-all", "khmer",
626	+ "korean-hangul-formal", "korean-hanja-formal", "korean-hanja-informal",
627	+ "landscape", "lao", "large", "larger", "left", "level", "lighter",
628	+ "line-through", "linear", "linear-gradient", "lines", "list-item", "listbox", "listitem",
629	+ "local", "logical", "loud", "lower", "lower-alpha", "lower-armenian",
630	+ "lower-greek", "lower-hexadecimal", "lower-latin", "lower-norwegian",
631	+ "lower-roman", "lowercase", "ltr", "malayalam", "match", "matrix", "matrix3d",
632	+ "media-controls-background", "media-current-time-display",
633	+ "media-fullscreen-button", "media-mute-button", "media-play-button",
634	+ "media-return-to-realtime-button", "media-rewind-button",
635	+ "media-seek-back-button", "media-seek-forward-button", "media-slider",
636	+ "media-sliderthumb", "media-time-remaining-display", "media-volume-slider",
637	+ "media-volume-slider-container", "media-volume-sliderthumb", "medium",
638	+ "menu", "menulist", "menulist-button", "menulist-text",
639	+ "menulist-textfield", "menutext", "message-box", "middle", "min-intrinsic",
640	+ "mix", "mongolian", "monospace", "move", "multiple", "myanmar", "n-resize",
641	+ "narrower", "ne-resize", "nesw-resize", "no-close-quote", "no-drop",
642	+ "no-open-quote", "no-repeat", "none", "normal", "not-allowed", "nowrap",
643	+ "ns-resize", "numbers", "numeric", "nw-resize", "nwse-resize", "oblique", "octal", "open-quote",
644	+ "optimizeLegibility", "optimizeSpeed", "oriya", "oromo", "outset",
645	+ "outside", "outside-shape", "overlay", "overline", "padding", "padding-box",
646	+ "painted", "page", "paused", "persian", "perspective", "plus-darker", "plus-lighter",
647	+ "pointer", "polygon", "portrait", "pre", "pre-line", "pre-wrap", "preserve-3d",
648	+ "progress", "push-button", "radial-gradient", "radio", "read-only",
649	+ "read-write", "read-write-plaintext-only", "rectangle", "region",
650	+ "relative", "repeat", "repeating-linear-gradient",
651	+ "repeating-radial-gradient", "repeat-x", "repeat-y", "reset", "reverse",
652	+ "rgb", "rgba", "ridge", "right", "rotate", "rotate3d", "rotateX", "rotateY",
653	+ "rotateZ", "round", "row", "row-resize", "row-reverse", "rtl", "run-in", "running",
654	+ "s-resize", "sans-serif", "scale", "scale3d", "scaleX", "scaleY", "scaleZ",
655	+ "scroll", "scrollbar", "se-resize", "searchfield",
656	+ "searchfield-cancel-button", "searchfield-decoration",
657	+ "searchfield-results-button", "searchfield-results-decoration",
658	+ "semi-condensed", "semi-expanded", "separate", "serif", "show", "sidama",
659	+ "simp-chinese-formal", "simp-chinese-informal", "single",
660	+ "skew", "skewX", "skewY", "skip-white-space", "slide", "slider-horizontal",
661	+ "slider-vertical", "sliderthumb-horizontal", "sliderthumb-vertical", "slow",
662	+ "small", "small-caps", "small-caption", "smaller", "solid", "somali",
663	+ "source-atop", "source-in", "source-out", "source-over", "space", "space-around", "space-between", "spell-out", "square",
664	+ "square-button", "start", "static", "status-bar", "stretch", "stroke", "sub",
665	+ "subpixel-antialiased", "super", "sw-resize", "symbolic", "symbols", "table",
666	+ "table-caption", "table-cell", "table-column", "table-column-group",
667	+ "table-footer-group", "table-header-group", "table-row", "table-row-group",
668	+ "tamil",
669	+ "telugu", "text", "text-bottom", "text-top", "textarea", "textfield", "thai",
670	+ "thick", "thin", "threeddarkshadow", "threedface", "threedhighlight",
671	+ "threedlightshadow", "threedshadow", "tibetan", "tigre", "tigrinya-er",
672	+ "tigrinya-er-abegede", "tigrinya-et", "tigrinya-et-abegede", "to", "top",
673	+ "trad-chinese-formal", "trad-chinese-informal",
674	+ "translate", "translate3d", "translateX", "translateY", "translateZ",
675	+ "transparent", "ultra-condensed", "ultra-expanded", "underline", "up",
676	+ "upper-alpha", "upper-armenian", "upper-greek", "upper-hexadecimal",
677	+ "upper-latin", "upper-norwegian", "upper-roman", "uppercase", "urdu", "url",
678	+ "var", "vertical", "vertical-text", "visible", "visibleFill", "visiblePainted",
679	+ "visibleStroke", "visual", "w-resize", "wait", "wave", "wider",
680	+ "window", "windowframe", "windowtext", "words", "wrap", "wrap-reverse", "x-large", "x-small", "xor",
681	+ "xx-large", "xx-small"
682	+ ], valueKeywords = keySet(valueKeywords_);
683	+
684	+ var allWords = documentTypes_.concat(mediaTypes_).concat(mediaFeatures_).concat(mediaValueKeywords_)
685	+ .concat(propertyKeywords_).concat(nonStandardPropertyKeywords_).concat(colorKeywords_)
686	+ .concat(valueKeywords_);
687	+ CodeMirror.registerHelper("hintWords", "css", allWords);
688	+
689	+ function tokenCComment(stream, state) {
690	+ var maybeEnd = false, ch;
691	+ while ((ch = stream.next()) != null) {
692	+ if (maybeEnd && ch == "/") {
693	+ state.tokenize = null;
694	+ break;
695	+ }
696	+ maybeEnd = (ch == "*");
697	+ }
698	+ return ["comment", "comment"];
699	+ }
700	+
701	+ CodeMirror.defineMIME("text/css", {
702	+ documentTypes: documentTypes,
703	+ mediaTypes: mediaTypes,
704	+ mediaFeatures: mediaFeatures,
705	+ mediaValueKeywords: mediaValueKeywords,
706	+ propertyKeywords: propertyKeywords,
707	+ nonStandardPropertyKeywords: nonStandardPropertyKeywords,
708	+ fontProperties: fontProperties,
709	+ counterDescriptors: counterDescriptors,
710	+ colorKeywords: colorKeywords,
711	+ valueKeywords: valueKeywords,
712	+ tokenHooks: {
713	+ "/": function(stream, state) {
714	+ if (!stream.eat("*")) return false;
715	+ state.tokenize = tokenCComment;
716	+ return tokenCComment(stream, state);
717	+ }
718	+ },
719	+ name: "css"
720	+ });
721	+
722	+ CodeMirror.defineMIME("text/x-scss", {
723	+ mediaTypes: mediaTypes,
724	+ mediaFeatures: mediaFeatures,
725	+ mediaValueKeywords: mediaValueKeywords,
726	+ propertyKeywords: propertyKeywords,
727	+ nonStandardPropertyKeywords: nonStandardPropertyKeywords,
728	+ colorKeywords: colorKeywords,
729	+ valueKeywords: valueKeywords,
730	+ fontProperties: fontProperties,
731	+ allowNested: true,
732	+ tokenHooks: {
733	+ "/": function(stream, state) {
734	+ if (stream.eat("/")) {
735	+ stream.skipToEnd();
736	+ return ["comment", "comment"];
737	+ } else if (stream.eat("*")) {
738	+ state.tokenize = tokenCComment;
739	+ return tokenCComment(stream, state);
740	+ } else {
741	+ return ["operator", "operator"];
742	+ }
743	+ },
744	+ ":": function(stream) {
745	+ if (stream.match(/\s*\{/))
746	+ return [null, "{"];
747	+ return false;
748	+ },
749	+ "$": function(stream) {
750	+ stream.match(/^[\w-]+/);
751	+ if (stream.match(/^\s*:/, false))
752	+ return ["variable-2", "variable-definition"];
753	+ return ["variable-2", "variable"];
754	+ },
755	+ "#": function(stream) {
756	+ if (!stream.eat("{")) return false;
757	+ return [null, "interpolation"];
758	+ }
759	+ },
760	+ name: "css",
761	+ helperType: "scss"
762	+ });
763	+
764	+ CodeMirror.defineMIME("text/x-less", {
765	+ mediaTypes: mediaTypes,
766	+ mediaFeatures: mediaFeatures,
767	+ mediaValueKeywords: mediaValueKeywords,
768	+ propertyKeywords: propertyKeywords,
769	+ nonStandardPropertyKeywords: nonStandardPropertyKeywords,
770	+ colorKeywords: colorKeywords,
771	+ valueKeywords: valueKeywords,
772	+ fontProperties: fontProperties,
773	+ allowNested: true,
774	+ tokenHooks: {
775	+ "/": function(stream, state) {
776	+ if (stream.eat("/")) {
777	+ stream.skipToEnd();
778	+ return ["comment", "comment"];
779	+ } else if (stream.eat("*")) {
780	+ state.tokenize = tokenCComment;
781	+ return tokenCComment(stream, state);
782	+ } else {
783	+ return ["operator", "operator"];
784	+ }
785	+ },
786	+ "@": function(stream) {
787	+ if (stream.eat("{")) return [null, "interpolation"];
788	+ if (stream.match(/^(charset\|document\|font-face\|import\|(-(moz\|ms\|o\|webkit)-)?keyframes\|media\|namespace\|page\|supports)\b/, false)) return false;
789	+ stream.eatWhile(/[\w\\\-]/);
790	+ if (stream.match(/^\s*:/, false))
791	+ return ["variable-2", "variable-definition"];
792	+ return ["variable-2", "variable"];
793	+ },
794	+ "&": function() {
795	+ return ["atom", "atom"];
796	+ }
797	+ },
798	+ name: "css",
799	+ helperType: "less"
800	+ });
801	+
802	+ CodeMirror.defineMIME("text/x-gss", {
803	+ documentTypes: documentTypes,
804	+ mediaTypes: mediaTypes,
805	+ mediaFeatures: mediaFeatures,
806	+ propertyKeywords: propertyKeywords,
807	+ nonStandardPropertyKeywords: nonStandardPropertyKeywords,
808	+ fontProperties: fontProperties,
809	+ counterDescriptors: counterDescriptors,
810	+ colorKeywords: colorKeywords,
811	+ valueKeywords: valueKeywords,
812	+ supportsAtComponent: true,
813	+ tokenHooks: {
814	+ "/": function(stream, state) {
815	+ if (!stream.eat("*")) return false;
816	+ state.tokenize = tokenCComment;
817	+ return tokenCComment(stream, state);
818	+ }
819	+ },
820	+ name: "css",
821	+ helperType: "gss"
822	+ });
823	+
824	+ });

codemirror/mode/javascript.js ADDED Viewed

	@@ -0,0 +1,731 @@


1	+ // CodeMirror, copyright (c) by Marijn Haverbeke and others
2	+ // Distributed under an MIT license: http://codemirror.net/LICENSE
3	+
4	+ // TODO actually recognize syntax of TypeScript constructs
5	+
6	+ (function(mod) {
7	+ if (typeof exports == "object" && typeof module == "object") // CommonJS
8	+ mod(require("../../lib/codemirror"));
9	+ else if (typeof define == "function" && define.amd) // AMD
10	+ define(["../../lib/codemirror"], mod);
11	+ else // Plain browser env
12	+ mod(CodeMirror);
13	+ })(function(CodeMirror) {
14	+ "use strict";
15	+
16	+ CodeMirror.defineMode("javascript", function(config, parserConfig) {
17	+ var indentUnit = config.indentUnit;
18	+ var statementIndent = parserConfig.statementIndent;
19	+ var jsonldMode = parserConfig.jsonld;
20	+ var jsonMode = parserConfig.json \|\| jsonldMode;
21	+ var isTS = parserConfig.typescript;
22	+ var wordRE = parserConfig.wordCharacters \|\| /[\w$\xa1-\uffff]/;
23	+
24	+ // Tokenizer
25	+
26	+ var keywords = function(){
27	+ function kw(type) {return {type: type, style: "keyword"};}
28	+ var A = kw("keyword a"), B = kw("keyword b"), C = kw("keyword c");
29	+ var operator = kw("operator"), atom = {type: "atom", style: "atom"};
30	+
31	+ var jsKeywords = {
32	+ "if": kw("if"), "while": A, "with": A, "else": B, "do": B, "try": B, "finally": B,
33	+ "return": C, "break": C, "continue": C, "new": kw("new"), "delete": C, "throw": C, "debugger": C,
34	+ "var": kw("var"), "const": kw("var"), "let": kw("var"),
35	+ "function": kw("function"), "catch": kw("catch"),
36	+ "for": kw("for"), "switch": kw("switch"), "case": kw("case"), "default": kw("default"),
37	+ "in": operator, "typeof": operator, "instanceof": operator,
38	+ "true": atom, "false": atom, "null": atom, "undefined": atom, "NaN": atom, "Infinity": atom,
39	+ "this": kw("this"), "class": kw("class"), "super": kw("atom"),
40	+ "yield": C, "export": kw("export"), "import": kw("import"), "extends": C
41	+ };
42	+
43	+ // Extend the 'normal' keywords with the TypeScript language extensions
44	+ if (isTS) {
45	+ var type = {type: "variable", style: "variable-3"};
46	+ var tsKeywords = {
47	+ // object-like things
48	+ "interface": kw("class"),
49	+ "implements": C,
50	+ "namespace": C,
51	+ "module": kw("module"),
52	+ "enum": kw("module"),
53	+
54	+ // scope modifiers
55	+ "public": kw("modifier"),
56	+ "private": kw("modifier"),
57	+ "protected": kw("modifier"),
58	+ "abstract": kw("modifier"),
59	+
60	+ // operators
61	+ "as": operator,
62	+
63	+ // types
64	+ "string": type, "number": type, "boolean": type, "any": type
65	+ };
66	+
67	+ for (var attr in tsKeywords) {
68	+ jsKeywords[attr] = tsKeywords[attr];
69	+ }
70	+ }
71	+
72	+ return jsKeywords;
73	+ }();
74	+
75	+ var isOperatorChar = /[+\-*&%=<>!?\|~^]/;
76	+ var isJsonldKeyword = /^@(context\|id\|value\|language\|type\|container\|list\|set\|reverse\|index\|base\|vocab\|graph)"/;
77	+
78	+ function readRegexp(stream) {
79	+ var escaped = false, next, inSet = false;
80	+ while ((next = stream.next()) != null) {
81	+ if (!escaped) {
82	+ if (next == "/" && !inSet) return;
83	+ if (next == "[") inSet = true;
84	+ else if (inSet && next == "]") inSet = false;
85	+ }
86	+ escaped = !escaped && next == "\\";
87	+ }
88	+ }
89	+
90	+ // Used as scratch variables to communicate multiple values without
91	+ // consing up tons of objects.
92	+ var type, content;
93	+ function ret(tp, style, cont) {
94	+ type = tp; content = cont;
95	+ return style;
96	+ }
97	+ function tokenBase(stream, state) {
98	+ var ch = stream.next();
99	+ if (ch == '"' \|\| ch == "'") {
100	+ state.tokenize = tokenString(ch);
101	+ return state.tokenize(stream, state);
102	+ } else if (ch == "." && stream.match(/^\d+(?:[eE][+\-]?\d+)?/)) {
103	+ return ret("number", "number");
104	+ } else if (ch == "." && stream.match("..")) {
105	+ return ret("spread", "meta");
106	+ } else if (/[\[\]{},;\:\.]/.test(ch)) {
107	+ return ret(ch);
108	+ } else if (ch == "=" && stream.eat(">")) {
109	+ return ret("=>", "operator");
110	+ } else if (ch == "0" && stream.eat(/x/i)) {
111	+ stream.eatWhile(/[\da-f]/i);
112	+ return ret("number", "number");
113	+ } else if (ch == "0" && stream.eat(/o/i)) {
114	+ stream.eatWhile(/[0-7]/i);
115	+ return ret("number", "number");
116	+ } else if (ch == "0" && stream.eat(/b/i)) {
117	+ stream.eatWhile(/[01]/i);
118	+ return ret("number", "number");
119	+ } else if (/\d/.test(ch)) {
120	+ stream.match(/^\d(?:\.\d)?(?:[eE][+\-]?\d+)?/);
121	+ return ret("number", "number");
122	+ } else if (ch == "/") {
123	+ if (stream.eat("*")) {
124	+ state.tokenize = tokenComment;
125	+ return tokenComment(stream, state);
126	+ } else if (stream.eat("/")) {
127	+ stream.skipToEnd();
128	+ return ret("comment", "comment");
129	+ } else if (/^(?:operator\|sof\|keyword c\|case\|new\|[\[{}\(,;:])$/.test(state.lastType) \|\|
130	+ (state.lastType == "quasi" && /\{\s*$/.test(stream.string.slice(0, stream.pos - 1)))) {
131	+ readRegexp(stream);
132	+ stream.match(/^\b(([gimyu])(?![gimyu]*\2))+\b/);
133	+ return ret("regexp", "string-2");
134	+ } else {
135	+ stream.eatWhile(isOperatorChar);
136	+ return ret("operator", "operator", stream.current());
137	+ }
138	+ } else if (ch == "`") {
139	+ state.tokenize = tokenQuasi;
140	+ return tokenQuasi(stream, state);
141	+ } else if (ch == "#") {
142	+ stream.skipToEnd();
143	+ return ret("error", "error");
144	+ } else if (isOperatorChar.test(ch)) {
145	+ stream.eatWhile(isOperatorChar);
146	+ return ret("operator", "operator", stream.current());
147	+ } else if (wordRE.test(ch)) {
148	+ stream.eatWhile(wordRE);
149	+ var word = stream.current(), known = keywords.propertyIsEnumerable(word) && keywords[word];
150	+ return (known && state.lastType != ".") ? ret(known.type, known.style, word) :
151	+ ret("variable", "variable", word);
152	+ }
153	+ }
154	+
155	+ function tokenString(quote) {
156	+ return function(stream, state) {
157	+ var escaped = false, next;
158	+ if (jsonldMode && stream.peek() == "@" && stream.match(isJsonldKeyword)){
159	+ state.tokenize = tokenBase;
160	+ return ret("jsonld-keyword", "meta");
161	+ }
162	+ while ((next = stream.next()) != null) {
163	+ if (next == quote && !escaped) break;
164	+ escaped = !escaped && next == "\\";
165	+ }
166	+ if (!escaped) state.tokenize = tokenBase;
167	+ return ret("string", "string");
168	+ };
169	+ }
170	+
171	+ function tokenComment(stream, state) {
172	+ var maybeEnd = false, ch;
173	+ while (ch = stream.next()) {
174	+ if (ch == "/" && maybeEnd) {
175	+ state.tokenize = tokenBase;
176	+ break;
177	+ }
178	+ maybeEnd = (ch == "*");
179	+ }
180	+ return ret("comment", "comment");
181	+ }
182	+
183	+ function tokenQuasi(stream, state) {
184	+ var escaped = false, next;
185	+ while ((next = stream.next()) != null) {
186	+ if (!escaped && (next == "`" \|\| next == "$" && stream.eat("{"))) {
187	+ state.tokenize = tokenBase;
188	+ break;
189	+ }
190	+ escaped = !escaped && next == "\\";
191	+ }
192	+ return ret("quasi", "string-2", stream.current());
193	+ }
194	+
195	+ var brackets = "([{}])";
196	+ // This is a crude lookahead trick to try and notice that we're
197	+ // parsing the argument patterns for a fat-arrow function before we
198	+ // actually hit the arrow token. It only works if the arrow is on
199	+ // the same line as the arguments and there's no strange noise
200	+ // (comments) in between. Fallback is to only notice when we hit the
201	+ // arrow, and not declare the arguments as locals for the arrow
202	+ // body.
203	+ function findFatArrow(stream, state) {
204	+ if (state.fatArrowAt) state.fatArrowAt = null;
205	+ var arrow = stream.string.indexOf("=>", stream.start);
206	+ if (arrow < 0) return;
207	+
208	+ var depth = 0, sawSomething = false;
209	+ for (var pos = arrow - 1; pos >= 0; --pos) {
210	+ var ch = stream.string.charAt(pos);
211	+ var bracket = brackets.indexOf(ch);
212	+ if (bracket >= 0 && bracket < 3) {
213	+ if (!depth) { ++pos; break; }
214	+ if (--depth == 0) break;
215	+ } else if (bracket >= 3 && bracket < 6) {
216	+ ++depth;
217	+ } else if (wordRE.test(ch)) {
218	+ sawSomething = true;
219	+ } else if (/["'\/]/.test(ch)) {
220	+ return;
221	+ } else if (sawSomething && !depth) {
222	+ ++pos;
223	+ break;
224	+ }
225	+ }
226	+ if (sawSomething && !depth) state.fatArrowAt = pos;
227	+ }
228	+
229	+ // Parser
230	+
231	+ var atomicTypes = {"atom": true, "number": true, "variable": true, "string": true, "regexp": true, "this": true, "jsonld-keyword": true};
232	+
233	+ function JSLexical(indented, column, type, align, prev, info) {
234	+ this.indented = indented;
235	+ this.column = column;
236	+ this.type = type;
237	+ this.prev = prev;
238	+ this.info = info;
239	+ if (align != null) this.align = align;
240	+ }
241	+
242	+ function inScope(state, varname) {
243	+ for (var v = state.localVars; v; v = v.next)
244	+ if (v.name == varname) return true;
245	+ for (var cx = state.context; cx; cx = cx.prev) {
246	+ for (var v = cx.vars; v; v = v.next)
247	+ if (v.name == varname) return true;
248	+ }
249	+ }
250	+
251	+ function parseJS(state, style, type, content, stream) {
252	+ var cc = state.cc;
253	+ // Communicate our context to the combinators.
254	+ // (Less wasteful than consing up a hundred closures on every call.)
255	+ cx.state = state; cx.stream = stream; cx.marked = null, cx.cc = cc; cx.style = style;
256	+
257	+ if (!state.lexical.hasOwnProperty("align"))
258	+ state.lexical.align = true;
259	+
260	+ while(true) {
261	+ var combinator = cc.length ? cc.pop() : jsonMode ? expression : statement;
262	+ if (combinator(type, content)) {
263	+ while(cc.length && cc[cc.length - 1].lex)
264	+ cc.pop()();
265	+ if (cx.marked) return cx.marked;
266	+ if (type == "variable" && inScope(state, content)) return "variable-2";
267	+ return style;
268	+ }
269	+ }
270	+ }
271	+
272	+ // Combinator utils
273	+
274	+ var cx = {state: null, column: null, marked: null, cc: null};
275	+ function pass() {
276	+ for (var i = arguments.length - 1; i >= 0; i--) cx.cc.push(arguments[i]);
277	+ }
278	+ function cont() {
279	+ pass.apply(null, arguments);
280	+ return true;
281	+ }
282	+ function register(varname) {
283	+ function inList(list) {
284	+ for (var v = list; v; v = v.next)
285	+ if (v.name == varname) return true;
286	+ return false;
287	+ }
288	+ var state = cx.state;
289	+ cx.marked = "def";
290	+ if (state.context) {
291	+ if (inList(state.localVars)) return;
292	+ state.localVars = {name: varname, next: state.localVars};
293	+ } else {
294	+ if (inList(state.globalVars)) return;
295	+ if (parserConfig.globalVars)
296	+ state.globalVars = {name: varname, next: state.globalVars};
297	+ }
298	+ }
299	+
300	+ // Combinators
301	+
302	+ var defaultVars = {name: "this", next: {name: "arguments"}};
303	+ function pushcontext() {
304	+ cx.state.context = {prev: cx.state.context, vars: cx.state.localVars};
305	+ cx.state.localVars = defaultVars;
306	+ }
307	+ function popcontext() {
308	+ cx.state.localVars = cx.state.context.vars;
309	+ cx.state.context = cx.state.context.prev;
310	+ }
311	+ function pushlex(type, info) {
312	+ var result = function() {
313	+ var state = cx.state, indent = state.indented;
314	+ if (state.lexical.type == "stat") indent = state.lexical.indented;
315	+ else for (var outer = state.lexical; outer && outer.type == ")" && outer.align; outer = outer.prev)
316	+ indent = outer.indented;
317	+ state.lexical = new JSLexical(indent, cx.stream.column(), type, null, state.lexical, info);
318	+ };
319	+ result.lex = true;
320	+ return result;
321	+ }
322	+ function poplex() {
323	+ var state = cx.state;
324	+ if (state.lexical.prev) {
325	+ if (state.lexical.type == ")")
326	+ state.indented = state.lexical.indented;
327	+ state.lexical = state.lexical.prev;
328	+ }
329	+ }
330	+ poplex.lex = true;
331	+
332	+ function expect(wanted) {
333	+ function exp(type) {
334	+ if (type == wanted) return cont();
335	+ else if (wanted == ";") return pass();
336	+ else return cont(exp);
337	+ };
338	+ return exp;
339	+ }
340	+
341	+ function statement(type, value) {
342	+ if (type == "var") return cont(pushlex("vardef", value.length), vardef, expect(";"), poplex);
343	+ if (type == "keyword a") return cont(pushlex("form"), expression, statement, poplex);
344	+ if (type == "keyword b") return cont(pushlex("form"), statement, poplex);
345	+ if (type == "{") return cont(pushlex("}"), block, poplex);
346	+ if (type == ";") return cont();
347	+ if (type == "if") {
348	+ if (cx.state.lexical.info == "else" && cx.state.cc[cx.state.cc.length - 1] == poplex)
349	+ cx.state.cc.pop()();
350	+ return cont(pushlex("form"), expression, statement, poplex, maybeelse);
351	+ }
352	+ if (type == "function") return cont(functiondef);
353	+ if (type == "for") return cont(pushlex("form"), forspec, statement, poplex);
354	+ if (type == "variable") return cont(pushlex("stat"), maybelabel);
355	+ if (type == "switch") return cont(pushlex("form"), expression, pushlex("}", "switch"), expect("{"),
356	+ block, poplex, poplex);
357	+ if (type == "case") return cont(expression, expect(":"));
358	+ if (type == "default") return cont(expect(":"));
359	+ if (type == "catch") return cont(pushlex("form"), pushcontext, expect("("), funarg, expect(")"),
360	+ statement, poplex, popcontext);
361	+ if (type == "class") return cont(pushlex("form"), className, poplex);
362	+ if (type == "export") return cont(pushlex("stat"), afterExport, poplex);
363	+ if (type == "import") return cont(pushlex("stat"), afterImport, poplex);
364	+ if (type == "module") return cont(pushlex("form"), pattern, pushlex("}"), expect("{"), block, poplex, poplex)
365	+ return pass(pushlex("stat"), expression, expect(";"), poplex);
366	+ }
367	+ function expression(type) {
368	+ return expressionInner(type, false);
369	+ }
370	+ function expressionNoComma(type) {
371	+ return expressionInner(type, true);
372	+ }
373	+ function expressionInner(type, noComma) {
374	+ if (cx.state.fatArrowAt == cx.stream.start) {
375	+ var body = noComma ? arrowBodyNoComma : arrowBody;
376	+ if (type == "(") return cont(pushcontext, pushlex(")"), commasep(pattern, ")"), poplex, expect("=>"), body, popcontext);
377	+ else if (type == "variable") return pass(pushcontext, pattern, expect("=>"), body, popcontext);
378	+ }
379	+
380	+ var maybeop = noComma ? maybeoperatorNoComma : maybeoperatorComma;
381	+ if (atomicTypes.hasOwnProperty(type)) return cont(maybeop);
382	+ if (type == "function") return cont(functiondef, maybeop);
383	+ if (type == "keyword c") return cont(noComma ? maybeexpressionNoComma : maybeexpression);
384	+ if (type == "(") return cont(pushlex(")"), maybeexpression, comprehension, expect(")"), poplex, maybeop);
385	+ if (type == "operator" \|\| type == "spread") return cont(noComma ? expressionNoComma : expression);
386	+ if (type == "[") return cont(pushlex("]"), arrayLiteral, poplex, maybeop);
387	+ if (type == "{") return contCommasep(objprop, "}", null, maybeop);
388	+ if (type == "quasi") return pass(quasi, maybeop);
389	+ if (type == "new") return cont(maybeTarget(noComma));
390	+ return cont();
391	+ }
392	+ function maybeexpression(type) {
393	+ if (type.match(/[;\}\)\],]/)) return pass();
394	+ return pass(expression);
395	+ }
396	+ function maybeexpressionNoComma(type) {
397	+ if (type.match(/[;\}\)\],]/)) return pass();
398	+ return pass(expressionNoComma);
399	+ }
400	+
401	+ function maybeoperatorComma(type, value) {
402	+ if (type == ",") return cont(expression);
403	+ return maybeoperatorNoComma(type, value, false);
404	+ }
405	+ function maybeoperatorNoComma(type, value, noComma) {
406	+ var me = noComma == false ? maybeoperatorComma : maybeoperatorNoComma;
407	+ var expr = noComma == false ? expression : expressionNoComma;
408	+ if (type == "=>") return cont(pushcontext, noComma ? arrowBodyNoComma : arrowBody, popcontext);
409	+ if (type == "operator") {
410	+ if (/\+\+\|--/.test(value)) return cont(me);
411	+ if (value == "?") return cont(expression, expect(":"), expr);
412	+ return cont(expr);
413	+ }
414	+ if (type == "quasi") { return pass(quasi, me); }
415	+ if (type == ";") return;
416	+ if (type == "(") return contCommasep(expressionNoComma, ")", "call", me);
417	+ if (type == ".") return cont(property, me);
418	+ if (type == "[") return cont(pushlex("]"), maybeexpression, expect("]"), poplex, me);
419	+ }
420	+ function quasi(type, value) {
421	+ if (type != "quasi") return pass();
422	+ if (value.slice(value.length - 2) != "${") return cont(quasi);
423	+ return cont(expression, continueQuasi);
424	+ }
425	+ function continueQuasi(type) {
426	+ if (type == "}") {
427	+ cx.marked = "string-2";
428	+ cx.state.tokenize = tokenQuasi;
429	+ return cont(quasi);
430	+ }
431	+ }
432	+ function arrowBody(type) {
433	+ findFatArrow(cx.stream, cx.state);
434	+ return pass(type == "{" ? statement : expression);
435	+ }
436	+ function arrowBodyNoComma(type) {
437	+ findFatArrow(cx.stream, cx.state);
438	+ return pass(type == "{" ? statement : expressionNoComma);
439	+ }
440	+ function maybeTarget(noComma) {
441	+ return function(type) {
442	+ if (type == ".") return cont(noComma ? targetNoComma : target);
443	+ else return pass(noComma ? expressionNoComma : expression);
444	+ };
445	+ }
446	+ function target(_, value) {
447	+ if (value == "target") { cx.marked = "keyword"; return cont(maybeoperatorComma); }
448	+ }
449	+ function targetNoComma(_, value) {
450	+ if (value == "target") { cx.marked = "keyword"; return cont(maybeoperatorNoComma); }
451	+ }
452	+ function maybelabel(type) {
453	+ if (type == ":") return cont(poplex, statement);
454	+ return pass(maybeoperatorComma, expect(";"), poplex);
455	+ }
456	+ function property(type) {
457	+ if (type == "variable") {cx.marked = "property"; return cont();}
458	+ }
459	+ function objprop(type, value) {
460	+ if (type == "variable" \|\| cx.style == "keyword") {
461	+ cx.marked = "property";
462	+ if (value == "get" \|\| value == "set") return cont(getterSetter);
463	+ return cont(afterprop);
464	+ } else if (type == "number" \|\| type == "string") {
465	+ cx.marked = jsonldMode ? "property" : (cx.style + " property");
466	+ return cont(afterprop);
467	+ } else if (type == "jsonld-keyword") {
468	+ return cont(afterprop);
469	+ } else if (type == "modifier") {
470	+ return cont(objprop)
471	+ } else if (type == "[") {
472	+ return cont(expression, expect("]"), afterprop);
473	+ } else if (type == "spread") {
474	+ return cont(expression);
475	+ }
476	+ }
477	+ function getterSetter(type) {
478	+ if (type != "variable") return pass(afterprop);
479	+ cx.marked = "property";
480	+ return cont(functiondef);
481	+ }
482	+ function afterprop(type) {
483	+ if (type == ":") return cont(expressionNoComma);
484	+ if (type == "(") return pass(functiondef);
485	+ }
486	+ function commasep(what, end) {
487	+ function proceed(type) {
488	+ if (type == ",") {
489	+ var lex = cx.state.lexical;
490	+ if (lex.info == "call") lex.pos = (lex.pos \|\| 0) + 1;
491	+ return cont(what, proceed);
492	+ }
493	+ if (type == end) return cont();
494	+ return cont(expect(end));
495	+ }
496	+ return function(type) {
497	+ if (type == end) return cont();
498	+ return pass(what, proceed);
499	+ };
500	+ }
501	+ function contCommasep(what, end, info) {
502	+ for (var i = 3; i < arguments.length; i++)
503	+ cx.cc.push(arguments[i]);
504	+ return cont(pushlex(end, info), commasep(what, end), poplex);
505	+ }
506	+ function block(type) {
507	+ if (type == "}") return cont();
508	+ return pass(statement, block);
509	+ }
510	+ function maybetype(type) {
511	+ if (isTS && type == ":") return cont(typedef);
512	+ }
513	+ function maybedefault(_, value) {
514	+ if (value == "=") return cont(expressionNoComma);
515	+ }
516	+ function typedef(type) {
517	+ if (type == "variable") {cx.marked = "variable-3"; return cont();}
518	+ }
519	+ function vardef() {
520	+ return pass(pattern, maybetype, maybeAssign, vardefCont);
521	+ }
522	+ function pattern(type, value) {
523	+ if (type == "modifier") return cont(pattern)
524	+ if (type == "variable") { register(value); return cont(); }
525	+ if (type == "spread") return cont(pattern);
526	+ if (type == "[") return contCommasep(pattern, "]");
527	+ if (type == "{") return contCommasep(proppattern, "}");
528	+ }
529	+ function proppattern(type, value) {
530	+ if (type == "variable" && !cx.stream.match(/^\s*:/, false)) {
531	+ register(value);
532	+ return cont(maybeAssign);
533	+ }
534	+ if (type == "variable") cx.marked = "property";
535	+ if (type == "spread") return cont(pattern);
536	+ return cont(expect(":"), pattern, maybeAssign);
537	+ }
538	+ function maybeAssign(_type, value) {
539	+ if (value == "=") return cont(expressionNoComma);
540	+ }
541	+ function vardefCont(type) {
542	+ if (type == ",") return cont(vardef);
543	+ }
544	+ function maybeelse(type, value) {
545	+ if (type == "keyword b" && value == "else") return cont(pushlex("form", "else"), statement, poplex);
546	+ }
547	+ function forspec(type) {
548	+ if (type == "(") return cont(pushlex(")"), forspec1, expect(")"), poplex);
549	+ }
550	+ function forspec1(type) {
551	+ if (type == "var") return cont(vardef, expect(";"), forspec2);
552	+ if (type == ";") return cont(forspec2);
553	+ if (type == "variable") return cont(formaybeinof);
554	+ return pass(expression, expect(";"), forspec2);
555	+ }
556	+ function formaybeinof(_type, value) {
557	+ if (value == "in" \|\| value == "of") { cx.marked = "keyword"; return cont(expression); }
558	+ return cont(maybeoperatorComma, forspec2);
559	+ }
560	+ function forspec2(type, value) {
561	+ if (type == ";") return cont(forspec3);
562	+ if (value == "in" \|\| value == "of") { cx.marked = "keyword"; return cont(expression); }
563	+ return pass(expression, expect(";"), forspec3);
564	+ }
565	+ function forspec3(type) {
566	+ if (type != ")") cont(expression);
567	+ }
568	+ function functiondef(type, value) {
569	+ if (value == "*") {cx.marked = "keyword"; return cont(functiondef);}
570	+ if (type == "variable") {register(value); return cont(functiondef);}
571	+ if (type == "(") return cont(pushcontext, pushlex(")"), commasep(funarg, ")"), poplex, statement, popcontext);
572	+ }
573	+ function funarg(type) {
574	+ if (type == "spread") return cont(funarg);
575	+ return pass(pattern, maybetype, maybedefault);
576	+ }
577	+ function className(type, value) {
578	+ if (type == "variable") {register(value); return cont(classNameAfter);}
579	+ }
580	+ function classNameAfter(type, value) {
581	+ if (value == "extends") return cont(expression, classNameAfter);
582	+ if (type == "{") return cont(pushlex("}"), classBody, poplex);
583	+ }
584	+ function classBody(type, value) {
585	+ if (type == "variable" \|\| cx.style == "keyword") {
586	+ if (value == "static") {
587	+ cx.marked = "keyword";
588	+ return cont(classBody);
589	+ }
590	+ cx.marked = "property";
591	+ if (value == "get" \|\| value == "set") return cont(classGetterSetter, functiondef, classBody);
592	+ return cont(functiondef, classBody);
593	+ }
594	+ if (value == "*") {
595	+ cx.marked = "keyword";
596	+ return cont(classBody);
597	+ }
598	+ if (type == ";") return cont(classBody);
599	+ if (type == "}") return cont();
600	+ }
601	+ function classGetterSetter(type) {
602	+ if (type != "variable") return pass();
603	+ cx.marked = "property";
604	+ return cont();
605	+ }
606	+ function afterExport(_type, value) {
607	+ if (value == "*") { cx.marked = "keyword"; return cont(maybeFrom, expect(";")); }
608	+ if (value == "default") { cx.marked = "keyword"; return cont(expression, expect(";")); }
609	+ return pass(statement);
610	+ }
611	+ function afterImport(type) {
612	+ if (type == "string") return cont();
613	+ return pass(importSpec, maybeFrom);
614	+ }
615	+ function importSpec(type, value) {
616	+ if (type == "{") return contCommasep(importSpec, "}");
617	+ if (type == "variable") register(value);
618	+ if (value == "*") cx.marked = "keyword";
619	+ return cont(maybeAs);
620	+ }
621	+ function maybeAs(_type, value) {
622	+ if (value == "as") { cx.marked = "keyword"; return cont(importSpec); }
623	+ }
624	+ function maybeFrom(_type, value) {
625	+ if (value == "from") { cx.marked = "keyword"; return cont(expression); }
626	+ }
627	+ function arrayLiteral(type) {
628	+ if (type == "]") return cont();
629	+ return pass(expressionNoComma, maybeArrayComprehension);
630	+ }
631	+ function maybeArrayComprehension(type) {
632	+ if (type == "for") return pass(comprehension, expect("]"));
633	+ if (type == ",") return cont(commasep(maybeexpressionNoComma, "]"));
634	+ return pass(commasep(expressionNoComma, "]"));
635	+ }
636	+ function comprehension(type) {
637	+ if (type == "for") return cont(forspec, comprehension);
638	+ if (type == "if") return cont(expression, comprehension);
639	+ }
640	+
641	+ function isContinuedStatement(state, textAfter) {
642	+ return state.lastType == "operator" \|\| state.lastType == "," \|\|
643	+ isOperatorChar.test(textAfter.charAt(0)) \|\|
644	+ /[,.]/.test(textAfter.charAt(0));
645	+ }
646	+
647	+ // Interface
648	+
649	+ return {
650	+ startState: function(basecolumn) {
651	+ var state = {
652	+ tokenize: tokenBase,
653	+ lastType: "sof",
654	+ cc: [],
655	+ lexical: new JSLexical((basecolumn \|\| 0) - indentUnit, 0, "block", false),
656	+ localVars: parserConfig.localVars,
657	+ context: parserConfig.localVars && {vars: parserConfig.localVars},
658	+ indented: 0
659	+ };
660	+ if (parserConfig.globalVars && typeof parserConfig.globalVars == "object")
661	+ state.globalVars = parserConfig.globalVars;
662	+ return state;
663	+ },
664	+
665	+ token: function(stream, state) {
666	+ if (stream.sol()) {
667	+ if (!state.lexical.hasOwnProperty("align"))
668	+ state.lexical.align = false;
669	+ state.indented = stream.indentation();
670	+ findFatArrow(stream, state);
671	+ }
672	+ if (state.tokenize != tokenComment && stream.eatSpace()) return null;
673	+ var style = state.tokenize(stream, state);
674	+ if (type == "comment") return style;
675	+ state.lastType = type == "operator" && (content == "++" \|\| content == "--") ? "incdec" : type;
676	+ return parseJS(state, style, type, content, stream);
677	+ },
678	+
679	+ indent: function(state, textAfter) {
680	+ if (state.tokenize == tokenComment) return CodeMirror.Pass;
681	+ if (state.tokenize != tokenBase) return 0;
682	+ var firstChar = textAfter && textAfter.charAt(0), lexical = state.lexical;
683	+ // Kludge to prevent 'maybelse' from blocking lexical scope pops
684	+ if (!/^\s*else\b/.test(textAfter)) for (var i = state.cc.length - 1; i >= 0; --i) {
685	+ var c = state.cc[i];
686	+ if (c == poplex) lexical = lexical.prev;
687	+ else if (c != maybeelse) break;
688	+ }
689	+ if (lexical.type == "stat" && firstChar == "}") lexical = lexical.prev;
690	+ if (statementIndent && lexical.type == ")" && lexical.prev.type == "stat")
691	+ lexical = lexical.prev;
692	+ var type = lexical.type, closing = firstChar == type;
693	+
694	+ if (type == "vardef") return lexical.indented + (state.lastType == "operator" \|\| state.lastType == "," ? lexical.info + 1 : 0);
695	+ else if (type == "form" && firstChar == "{") return lexical.indented;
696	+ else if (type == "form") return lexical.indented + indentUnit;
697	+ else if (type == "stat")
698	+ return lexical.indented + (isContinuedStatement(state, textAfter) ? statementIndent \|\| indentUnit : 0);
699	+ else if (lexical.info == "switch" && !closing && parserConfig.doubleIndentSwitch != false)
700	+ return lexical.indented + (/^(?:case\|default)\b/.test(textAfter) ? indentUnit : 2 * indentUnit);
701	+ else if (lexical.align) return lexical.column + (closing ? 0 : 1);
702	+ else return lexical.indented + (closing ? 0 : indentUnit);
703	+ },
704	+
705	+ electricInput: /^\s(?:case .?:\|default:\|\{\|\})$/,
706	+ blockCommentStart: jsonMode ? null : "/*",
707	+ blockCommentEnd: jsonMode ? null : "*/",
708	+ lineComment: jsonMode ? null : "//",
709	+ fold: "brace",
710	+ closeBrackets: "()[]{}''\"\"``",
711	+
712	+ helperType: jsonMode ? "json" : "javascript",
713	+ jsonldMode: jsonldMode,
714	+ jsonMode: jsonMode
715	+ };
716	+ });
717	+
718	+ CodeMirror.registerHelper("wordChars", "javascript", /[\w$]/);
719	+
720	+ CodeMirror.defineMIME("text/javascript", "javascript");
721	+ CodeMirror.defineMIME("text/ecmascript", "javascript");
722	+ CodeMirror.defineMIME("application/javascript", "javascript");
723	+ CodeMirror.defineMIME("application/x-javascript", "javascript");
724	+ CodeMirror.defineMIME("application/ecmascript", "javascript");
725	+ CodeMirror.defineMIME("application/json", {name: "javascript", json: true});
726	+ CodeMirror.defineMIME("application/x-json", {name: "javascript", json: true});
727	+ CodeMirror.defineMIME("application/ld+json", {name: "javascript", jsonld: true});
728	+ CodeMirror.defineMIME("text/typescript", { name: "javascript", typescript: true });
729	+ CodeMirror.defineMIME("application/typescript", { name: "javascript", typescript: true });
730	+
731	+ });

custom-css-and-javascript.php ADDED Viewed

	@@ -0,0 +1,132 @@


1	+ <?php
2	+ /**
3	+ * Plugin Name: Custom CSS and Javascript
4	+ * Description: Easily add custom CSS and Javascript code to your WordPress site.
5	+ * Version: 1.0
6	+ * Author: Hearken Media
7	+ * Author URI: http://hearkenmedia.com/landing-wp-plugin.php?utm_source=custom-css-and-javascript&utm_medium=link&utm_campaign=wp-widget-link
8	+ * License: GNU General Public License version 2 or later
9	+ * License URI: http://www.gnu.org/licenses/old-licenses/gpl-2.0.en.html
10	+ */
11	+
12	+ add_action('wp_enqueue_scripts', 'hm_custom_css_js_scripts', 999999);
13	+ function hm_custom_css_js_scripts() {
14	+ if (file_exists(dirname(__FILE__).'/custom.js'))
15	+ wp_enqueue_script('hm_custom_js', plugins_url('custom.js', __FILE__), array(), get_option('hm_custom_javascript_ver', 1));
16	+ if (file_exists(dirname(__FILE__).'/custom.css'))
17	+ wp_enqueue_style('hm_custom_css', plugins_url('custom.css', __FILE__), array(), get_option('hm_custom_css_ver', 1));
18	+ }
19	+ add_action('admin_menu', 'hm_custom_css_admin_menu');
20	+ function hm_custom_css_admin_menu() {
21	+ add_submenu_page('themes.php', 'Custom CSS', 'Custom CSS', 'edit_theme_options', 'hm_custom_css', 'hm_custom_css_page');
22	+ }
23	+ add_action('admin_menu', 'hm_custom_js_admin_menu');
24	+ function hm_custom_js_admin_menu() {
25	+ add_submenu_page('themes.php', 'Custom Javascript', 'Custom Javascript', 'edit_theme_options', 'hm_custom_js', 'hm_custom_js_page');
26	+ }
27	+ add_action('admin_enqueue_scripts', 'hm_custom_css_js_admin_scripts');
28	+ function hm_custom_css_js_admin_scripts($hook) {
29	+ if ($hook != 'appearance_page_hm_custom_css' && $hook != 'appearance_page_hm_custom_js')
30	+ return;
31	+ wp_enqueue_script('hm_custom_css_js_codemirror', plugins_url('codemirror/codemirror.js', __FILE__));
32	+ if ($hook == 'appearance_page_hm_custom_css')
33	+ wp_enqueue_script('hm_custom_css_js_codemirror_mode_css', plugins_url('codemirror/mode/css.js', __FILE__));
34	+ else
35	+ wp_enqueue_script('hm_custom_css_js_codemirror_mode_js', plugins_url('codemirror/mode/javascript.js', __FILE__));
36	+ wp_enqueue_style('hm_custom_css_js_codemirror', plugins_url('codemirror/codemirror.css', __FILE__));
37	+ }
38	+ add_action('wp_ajax_hm_custom_css_js_save', 'hm_custom_css_js_save');
39	+ function hm_custom_css_js_save() {
40	+ if (!current_user_can('edit_theme_options') \|\| empty($_POST['mode']) \|\| !isset($_POST['code']))
41	+ wp_send_json_error();
42	+ $_POST['mode'] = strtolower($_POST['mode']);
43	+ if ($_POST['mode'] != 'css' && $_POST['mode'] != 'javascript')
44	+ wp_send_json_error();
45	+ if (file_put_contents(dirname(__FILE__).'/custom.'.($_POST['mode'] == 'css' ? 'css' : 'js'), wp_unslash($_POST['code'])) === false)
46	+ wp_send_json_error();
47	+ update_option('hm_custom_'.$_POST['mode'].'_ver', time());
48	+ wp_send_json_success();
49	+ }
50	+
51	+ function hm_custom_css_page() {
52	+ hm_custom_css_js_page('CSS');
53	+ }
54	+
55	+ function hm_custom_js_page() {
56	+ hm_custom_css_js_page('Javascript');
57	+ }
58	+
59	+ function hm_custom_css_js_page($mode) {
60	+ $codeFile = dirname(__FILE__).'/custom.'.($mode == 'CSS' ? 'css' : 'js');
61	+ $code = (file_exists($codeFile) ? json_encode(file_get_contents($codeFile)) : '""');
62	+
63	+ echo('
64	+ <div class="wrap">
65	+ <h2>Custom '.$mode.'</h2>
66	+ <div>
67	+ <div id="hm_custom_code_editor" style="margin-top: 15px;"></div>
68	+ <div style="float: right; padding-left: 10px; margin-top: 3px; white-space: nowrap; font-style: italic;">
69	+ <a href="https://codemirror.net/" target="_blank">CodeMirror</a> code editor
70	+ </div>
71	+ <button type="button" class="button-primary hm-custom-css-js-save-btn" style="margin-top: 15px;" disabled="disabled">Saved</button>
72	+ </div>
73	+ <script>
74	+ var hm_custom_code_editor, hm_custom_code_editor_has_changes = false;
75	+ jQuery(document).ready(function($) {
76	+ hm_custom_code_editor = CodeMirror(document.getElementById("hm_custom_code_editor"), {
77	+ lineNumbers: true,
78	+ mode: "'.strtolower($mode).'",
79	+ value: '.$code.'
80	+ });
81	+ hm_custom_code_editor.on("change", function() {
82	+ if (hm_custom_code_editor_has_changes)
83	+ return;
84	+ hm_custom_code_editor_has_changes = true;
85	+ $(".hm-custom-css-js-save-btn").html("Save").prop("disabled", false);
86	+ });
87	+ $(".hm-custom-css-js-save-btn").click(function() {
88	+ $(".hm-custom-css-js-save-btn").prop("disabled", true).html("Saving...");
89	+ $.post(ajaxurl, {action: "hm_custom_css_js_save", mode: "'.$mode.'", code: hm_custom_code_editor.getValue()})
90	+ .done(function(data) {
91	+ if (data.success) {
92	+ $(".hm-custom-css-js-save-btn").html("Saved");
93	+ hm_custom_code_editor_has_changes = false;
94	+ } else {
95	+ alert("Error while saving. Please try again.");
96	+ $(".hm-custom-css-js-save-btn").html("Save").prop("disabled", false);
97	+ }
98	+ })
99	+ .fail(function() {
100	+ alert("Error while saving. Please try again.");
101	+ $(".hm-custom-css-js-save-btn").html("Save").prop("disabled", false);
102	+ });
103	+ });
104	+ $(window).resize(function() {
105	+ $("#hm_custom_code_editor .CodeMirror").height(Math.max(150,
106	+ $(window).height()
107	+ - $("#hm_custom_code_editor").offset().top
108	+ - $(".hm-custom-css-js-save-btn").height()
109	+ - 30));
110	+ hm_custom_code_editor.refresh();
111	+ });
112	+ $(window).resize();
113	+ $(window).on("beforeunload", function(ev) {
114	+ if (hm_custom_code_editor_has_changes) {
115	+ ev.returnValue = "You have unsaved changes that will be lost if you leave this page!";
116	+ return ev.returnValue;
117	+ }
118	+ });
119	+ });
120	+ </script>
121	+
122	+ <div style="background-color: #fff; border: 1px solid #ccc; padding: 20px; display: inline-block; margin-top: 30px;">
123	+ <h3 style="margin: 0;">Plugin by:</h3>
124	+ <a href="http://hearkenmedia.com/landing-wp-plugin.php?utm_source=custom-css-and-javascript&utm_medium=link&utm_campaign=wp-widget-link" target="_blank"><img src="'.plugins_url('images/hm-logo.png', __FILE__).'" alt="Hearken Media" style="width: 250px;" /></a><br />
125	+ <!--<a href="https://wordpress.org/support/view/plugin-reviews/custom-css-and-javascript" target="_blank"><strong>
126	+ If you find this plugin useful, please write a brief review!
127	+ </strong></a>-->
128	+ </div>
129	+ </div>
130	+ ');
131	+ }
132	+ ?>

images/hm-logo.png ADDED Viewed

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readme.txt ADDED Viewed

	@@ -0,0 +1,34 @@


1	+ === Custom CSS and Javascript ===
2	+ Contributors: hearken
3	+ Tags: css, custom css, styles, custom styles, stylesheet, custom stylesheet, javascript, custom javascript, js, custom js
4	+ Requires at least: 3.5
5	+ Tested up to: 4.4
6	+ Stable tag: 1.0
7	+ License: GPLv2 or later
8	+ License URI: http://www.gnu.org/licenses/gpl-2.0.html
9	+
10	+ Easily add custom CSS and Javascript code to your WordPress site.
11	+
12	+ == Description ==
13	+
14	+ This plugin allows you to add custom site-wide CSS styles and Javascript code to your WordPress site. Useful for overriding your theme's styles and adding client-side functionality. Features a code editor with syntax highlighting and AJAX saving to avoid reloading the editor at each save.
15	+
16	+ == Installation ==
17	+
18	+ 1. Click "Plugins" > "Add New" in the WordPress admin menu.
19	+ 1. Search for "Custom CSS and Javascript".
20	+ 1. Click "Install Now".
21	+ 1. Click "Activate Plugin".
22	+
23	+ Alternatively, you can manually upload the plugin to your wp-content/plugins directory.
24	+
25	+ == Frequently Asked Questions ==
26	+
27	+ == Screenshots ==
28	+
29	+ == Changelog ==
30	+
31	+ = 1.0 =
32	+ * Initial release
33	+
34	+ == Upgrade Notice ==

Custom CSS and Javascript - Version 1.0

Version Description

Release Info

Version 1.0