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comparison .cms/lib/codemirror/mode/markdown/markdown.js @ 0:78edf6b517a0 draft
24.10
author | Coffee CMS <info@coffee-cms.ru> |
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date | Fri, 11 Oct 2024 22:40:23 +0000 |
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1 // CodeMirror, copyright (c) by Marijn Haverbeke and others | |
2 // Distributed under an MIT license: https://codemirror.net/5/LICENSE | |
3 | |
4 (function(mod) { | |
5 if (typeof exports == "object" && typeof module == "object") // CommonJS | |
6 mod(require("../../lib/codemirror"), require("../xml/xml"), require("../meta")); | |
7 else if (typeof define == "function" && define.amd) // AMD | |
8 define(["../../lib/codemirror", "../xml/xml", "../meta"], mod); | |
9 else // Plain browser env | |
10 mod(CodeMirror); | |
11 })(function(CodeMirror) { | |
12 "use strict"; | |
13 | |
14 CodeMirror.defineMode("markdown", function(cmCfg, modeCfg) { | |
15 | |
16 var htmlMode = CodeMirror.getMode(cmCfg, "text/html"); | |
17 var htmlModeMissing = htmlMode.name == "null" | |
18 | |
19 function getMode(name) { | |
20 if (CodeMirror.findModeByName) { | |
21 var found = CodeMirror.findModeByName(name); | |
22 if (found) name = found.mime || found.mimes[0]; | |
23 } | |
24 var mode = CodeMirror.getMode(cmCfg, name); | |
25 return mode.name == "null" ? null : mode; | |
26 } | |
27 | |
28 // Should characters that affect highlighting be highlighted separate? | |
29 // Does not include characters that will be output (such as `1.` and `-` for lists) | |
30 if (modeCfg.highlightFormatting === undefined) | |
31 modeCfg.highlightFormatting = false; | |
32 | |
33 // Maximum number of nested blockquotes. Set to 0 for infinite nesting. | |
34 // Excess `>` will emit `error` token. | |
35 if (modeCfg.maxBlockquoteDepth === undefined) | |
36 modeCfg.maxBlockquoteDepth = 0; | |
37 | |
38 // Turn on task lists? ("- [ ] " and "- [x] ") | |
39 if (modeCfg.taskLists === undefined) modeCfg.taskLists = false; | |
40 | |
41 // Turn on strikethrough syntax | |
42 if (modeCfg.strikethrough === undefined) | |
43 modeCfg.strikethrough = false; | |
44 | |
45 if (modeCfg.emoji === undefined) | |
46 modeCfg.emoji = false; | |
47 | |
48 if (modeCfg.fencedCodeBlockHighlighting === undefined) | |
49 modeCfg.fencedCodeBlockHighlighting = true; | |
50 | |
51 if (modeCfg.fencedCodeBlockDefaultMode === undefined) | |
52 modeCfg.fencedCodeBlockDefaultMode = 'text/plain'; | |
53 | |
54 if (modeCfg.xml === undefined) | |
55 modeCfg.xml = true; | |
56 | |
57 // Allow token types to be overridden by user-provided token types. | |
58 if (modeCfg.tokenTypeOverrides === undefined) | |
59 modeCfg.tokenTypeOverrides = {}; | |
60 | |
61 var tokenTypes = { | |
62 header: "header", | |
63 code: "comment", | |
64 quote: "quote", | |
65 list1: "variable-2", | |
66 list2: "variable-3", | |
67 list3: "keyword", | |
68 hr: "hr", | |
69 image: "image", | |
70 imageAltText: "image-alt-text", | |
71 imageMarker: "image-marker", | |
72 formatting: "formatting", | |
73 linkInline: "link", | |
74 linkEmail: "link", | |
75 linkText: "link", | |
76 linkHref: "string", | |
77 em: "em", | |
78 strong: "strong", | |
79 strikethrough: "strikethrough", | |
80 emoji: "builtin" | |
81 }; | |
82 | |
83 for (var tokenType in tokenTypes) { | |
84 if (tokenTypes.hasOwnProperty(tokenType) && modeCfg.tokenTypeOverrides[tokenType]) { | |
85 tokenTypes[tokenType] = modeCfg.tokenTypeOverrides[tokenType]; | |
86 } | |
87 } | |
88 | |
89 var hrRE = /^([*\-_])(?:\s*\1){2,}\s*$/ | |
90 , listRE = /^(?:[*\-+]|^[0-9]+([.)]))\s+/ | |
91 , taskListRE = /^\[(x| )\](?=\s)/i // Must follow listRE | |
92 , atxHeaderRE = modeCfg.allowAtxHeaderWithoutSpace ? /^(#+)/ : /^(#+)(?: |$)/ | |
93 , setextHeaderRE = /^ {0,3}(?:\={1,}|-{2,})\s*$/ | |
94 , textRE = /^[^#!\[\]*_\\<>` "'(~:]+/ | |
95 , fencedCodeRE = /^(~~~+|```+)[ \t]*([\w\/+#-]*)[^\n`]*$/ | |
96 , linkDefRE = /^\s*\[[^\]]+?\]:.*$/ // naive link-definition | |
97 , punctuation = /[!"#$%&'()*+,\-.\/:;<=>?@\[\\\]^_`{|}~\xA1\xA7\xAB\xB6\xB7\xBB\xBF\u037E\u0387\u055A-\u055F\u0589\u058A\u05BE\u05C0\u05C3\u05C6\u05F3\u05F4\u0609\u060A\u060C\u060D\u061B\u061E\u061F\u066A-\u066D\u06D4\u0700-\u070D\u07F7-\u07F9\u0830-\u083E\u085E\u0964\u0965\u0970\u0AF0\u0DF4\u0E4F\u0E5A\u0E5B\u0F04-\u0F12\u0F14\u0F3A-\u0F3D\u0F85\u0FD0-\u0FD4\u0FD9\u0FDA\u104A-\u104F\u10FB\u1360-\u1368\u1400\u166D\u166E\u169B\u169C\u16EB-\u16ED\u1735\u1736\u17D4-\u17D6\u17D8-\u17DA\u1800-\u180A\u1944\u1945\u1A1E\u1A1F\u1AA0-\u1AA6\u1AA8-\u1AAD\u1B5A-\u1B60\u1BFC-\u1BFF\u1C3B-\u1C3F\u1C7E\u1C7F\u1CC0-\u1CC7\u1CD3\u2010-\u2027\u2030-\u2043\u2045-\u2051\u2053-\u205E\u207D\u207E\u208D\u208E\u2308-\u230B\u2329\u232A\u2768-\u2775\u27C5\u27C6\u27E6-\u27EF\u2983-\u2998\u29D8-\u29DB\u29FC\u29FD\u2CF9-\u2CFC\u2CFE\u2CFF\u2D70\u2E00-\u2E2E\u2E30-\u2E42\u3001-\u3003\u3008-\u3011\u3014-\u301F\u3030\u303D\u30A0\u30FB\uA4FE\uA4FF\uA60D-\uA60F\uA673\uA67E\uA6F2-\uA6F7\uA874-\uA877\uA8CE\uA8CF\uA8F8-\uA8FA\uA8FC\uA92E\uA92F\uA95F\uA9C1-\uA9CD\uA9DE\uA9DF\uAA5C-\uAA5F\uAADE\uAADF\uAAF0\uAAF1\uABEB\uFD3E\uFD3F\uFE10-\uFE19\uFE30-\uFE52\uFE54-\uFE61\uFE63\uFE68\uFE6A\uFE6B\uFF01-\uFF03\uFF05-\uFF0A\uFF0C-\uFF0F\uFF1A\uFF1B\uFF1F\uFF20\uFF3B-\uFF3D\uFF3F\uFF5B\uFF5D\uFF5F-\uFF65]|\uD800[\uDD00-\uDD02\uDF9F\uDFD0]|\uD801\uDD6F|\uD802[\uDC57\uDD1F\uDD3F\uDE50-\uDE58\uDE7F\uDEF0-\uDEF6\uDF39-\uDF3F\uDF99-\uDF9C]|\uD804[\uDC47-\uDC4D\uDCBB\uDCBC\uDCBE-\uDCC1\uDD40-\uDD43\uDD74\uDD75\uDDC5-\uDDC9\uDDCD\uDDDB\uDDDD-\uDDDF\uDE38-\uDE3D\uDEA9]|\uD805[\uDCC6\uDDC1-\uDDD7\uDE41-\uDE43\uDF3C-\uDF3E]|\uD809[\uDC70-\uDC74]|\uD81A[\uDE6E\uDE6F\uDEF5\uDF37-\uDF3B\uDF44]|\uD82F\uDC9F|\uD836[\uDE87-\uDE8B]/ | |
98 , expandedTab = " " // CommonMark specifies tab as 4 spaces | |
99 | |
100 function switchInline(stream, state, f) { | |
101 state.f = state.inline = f; | |
102 return f(stream, state); | |
103 } | |
104 | |
105 function switchBlock(stream, state, f) { | |
106 state.f = state.block = f; | |
107 return f(stream, state); | |
108 } | |
109 | |
110 function lineIsEmpty(line) { | |
111 return !line || !/\S/.test(line.string) | |
112 } | |
113 | |
114 // Blocks | |
115 | |
116 function blankLine(state) { | |
117 // Reset linkTitle state | |
118 state.linkTitle = false; | |
119 state.linkHref = false; | |
120 state.linkText = false; | |
121 // Reset EM state | |
122 state.em = false; | |
123 // Reset STRONG state | |
124 state.strong = false; | |
125 // Reset strikethrough state | |
126 state.strikethrough = false; | |
127 // Reset state.quote | |
128 state.quote = 0; | |
129 // Reset state.indentedCode | |
130 state.indentedCode = false; | |
131 if (state.f == htmlBlock) { | |
132 var exit = htmlModeMissing | |
133 if (!exit) { | |
134 var inner = CodeMirror.innerMode(htmlMode, state.htmlState) | |
135 exit = inner.mode.name == "xml" && inner.state.tagStart === null && | |
136 (!inner.state.context && inner.state.tokenize.isInText) | |
137 } | |
138 if (exit) { | |
139 state.f = inlineNormal; | |
140 state.block = blockNormal; | |
141 state.htmlState = null; | |
142 } | |
143 } | |
144 // Reset state.trailingSpace | |
145 state.trailingSpace = 0; | |
146 state.trailingSpaceNewLine = false; | |
147 // Mark this line as blank | |
148 state.prevLine = state.thisLine | |
149 state.thisLine = {stream: null} | |
150 return null; | |
151 } | |
152 | |
153 function blockNormal(stream, state) { | |
154 var firstTokenOnLine = stream.column() === state.indentation; | |
155 var prevLineLineIsEmpty = lineIsEmpty(state.prevLine.stream); | |
156 var prevLineIsIndentedCode = state.indentedCode; | |
157 var prevLineIsHr = state.prevLine.hr; | |
158 var prevLineIsList = state.list !== false; | |
159 var maxNonCodeIndentation = (state.listStack[state.listStack.length - 1] || 0) + 3; | |
160 | |
161 state.indentedCode = false; | |
162 | |
163 var lineIndentation = state.indentation; | |
164 // compute once per line (on first token) | |
165 if (state.indentationDiff === null) { | |
166 state.indentationDiff = state.indentation; | |
167 if (prevLineIsList) { | |
168 state.list = null; | |
169 // While this list item's marker's indentation is less than the deepest | |
170 // list item's content's indentation,pop the deepest list item | |
171 // indentation off the stack, and update block indentation state | |
172 while (lineIndentation < state.listStack[state.listStack.length - 1]) { | |
173 state.listStack.pop(); | |
174 if (state.listStack.length) { | |
175 state.indentation = state.listStack[state.listStack.length - 1]; | |
176 // less than the first list's indent -> the line is no longer a list | |
177 } else { | |
178 state.list = false; | |
179 } | |
180 } | |
181 if (state.list !== false) { | |
182 state.indentationDiff = lineIndentation - state.listStack[state.listStack.length - 1] | |
183 } | |
184 } | |
185 } | |
186 | |
187 // not comprehensive (currently only for setext detection purposes) | |
188 var allowsInlineContinuation = ( | |
189 !prevLineLineIsEmpty && !prevLineIsHr && !state.prevLine.header && | |
190 (!prevLineIsList || !prevLineIsIndentedCode) && | |
191 !state.prevLine.fencedCodeEnd | |
192 ); | |
193 | |
194 var isHr = (state.list === false || prevLineIsHr || prevLineLineIsEmpty) && | |
195 state.indentation <= maxNonCodeIndentation && stream.match(hrRE); | |
196 | |
197 var match = null; | |
198 if (state.indentationDiff >= 4 && (prevLineIsIndentedCode || state.prevLine.fencedCodeEnd || | |
199 state.prevLine.header || prevLineLineIsEmpty)) { | |
200 stream.skipToEnd(); | |
201 state.indentedCode = true; | |
202 return tokenTypes.code; | |
203 } else if (stream.eatSpace()) { | |
204 return null; | |
205 } else if (firstTokenOnLine && state.indentation <= maxNonCodeIndentation && (match = stream.match(atxHeaderRE)) && match[1].length <= 6) { | |
206 state.quote = 0; | |
207 state.header = match[1].length; | |
208 state.thisLine.header = true; | |
209 if (modeCfg.highlightFormatting) state.formatting = "header"; | |
210 state.f = state.inline; | |
211 return getType(state); | |
212 } else if (state.indentation <= maxNonCodeIndentation && stream.eat('>')) { | |
213 state.quote = firstTokenOnLine ? 1 : state.quote + 1; | |
214 if (modeCfg.highlightFormatting) state.formatting = "quote"; | |
215 stream.eatSpace(); | |
216 return getType(state); | |
217 } else if (!isHr && !state.setext && firstTokenOnLine && state.indentation <= maxNonCodeIndentation && (match = stream.match(listRE))) { | |
218 var listType = match[1] ? "ol" : "ul"; | |
219 | |
220 state.indentation = lineIndentation + stream.current().length; | |
221 state.list = true; | |
222 state.quote = 0; | |
223 | |
224 // Add this list item's content's indentation to the stack | |
225 state.listStack.push(state.indentation); | |
226 // Reset inline styles which shouldn't propagate across list items | |
227 state.em = false; | |
228 state.strong = false; | |
229 state.code = false; | |
230 state.strikethrough = false; | |
231 | |
232 if (modeCfg.taskLists && stream.match(taskListRE, false)) { | |
233 state.taskList = true; | |
234 } | |
235 state.f = state.inline; | |
236 if (modeCfg.highlightFormatting) state.formatting = ["list", "list-" + listType]; | |
237 return getType(state); | |
238 } else if (firstTokenOnLine && state.indentation <= maxNonCodeIndentation && (match = stream.match(fencedCodeRE, true))) { | |
239 state.quote = 0; | |
240 state.fencedEndRE = new RegExp(match[1] + "+ *$"); | |
241 // try switching mode | |
242 state.localMode = modeCfg.fencedCodeBlockHighlighting && getMode(match[2] || modeCfg.fencedCodeBlockDefaultMode ); | |
243 if (state.localMode) state.localState = CodeMirror.startState(state.localMode); | |
244 state.f = state.block = local; | |
245 if (modeCfg.highlightFormatting) state.formatting = "code-block"; | |
246 state.code = -1 | |
247 return getType(state); | |
248 // SETEXT has lowest block-scope precedence after HR, so check it after | |
249 // the others (code, blockquote, list...) | |
250 } else if ( | |
251 // if setext set, indicates line after ---/=== | |
252 state.setext || ( | |
253 // line before ---/=== | |
254 (!allowsInlineContinuation || !prevLineIsList) && !state.quote && state.list === false && | |
255 !state.code && !isHr && !linkDefRE.test(stream.string) && | |
256 (match = stream.lookAhead(1)) && (match = match.match(setextHeaderRE)) | |
257 ) | |
258 ) { | |
259 if ( !state.setext ) { | |
260 state.header = match[0].charAt(0) == '=' ? 1 : 2; | |
261 state.setext = state.header; | |
262 } else { | |
263 state.header = state.setext; | |
264 // has no effect on type so we can reset it now | |
265 state.setext = 0; | |
266 stream.skipToEnd(); | |
267 if (modeCfg.highlightFormatting) state.formatting = "header"; | |
268 } | |
269 state.thisLine.header = true; | |
270 state.f = state.inline; | |
271 return getType(state); | |
272 } else if (isHr) { | |
273 stream.skipToEnd(); | |
274 state.hr = true; | |
275 state.thisLine.hr = true; | |
276 return tokenTypes.hr; | |
277 } else if (stream.peek() === '[') { | |
278 return switchInline(stream, state, footnoteLink); | |
279 } | |
280 | |
281 return switchInline(stream, state, state.inline); | |
282 } | |
283 | |
284 function htmlBlock(stream, state) { | |
285 var style = htmlMode.token(stream, state.htmlState); | |
286 if (!htmlModeMissing) { | |
287 var inner = CodeMirror.innerMode(htmlMode, state.htmlState) | |
288 if ((inner.mode.name == "xml" && inner.state.tagStart === null && | |
289 (!inner.state.context && inner.state.tokenize.isInText)) || | |
290 (state.md_inside && stream.current().indexOf(">") > -1)) { | |
291 state.f = inlineNormal; | |
292 state.block = blockNormal; | |
293 state.htmlState = null; | |
294 } | |
295 } | |
296 return style; | |
297 } | |
298 | |
299 function local(stream, state) { | |
300 var currListInd = state.listStack[state.listStack.length - 1] || 0; | |
301 var hasExitedList = state.indentation < currListInd; | |
302 var maxFencedEndInd = currListInd + 3; | |
303 if (state.fencedEndRE && state.indentation <= maxFencedEndInd && (hasExitedList || stream.match(state.fencedEndRE))) { | |
304 if (modeCfg.highlightFormatting) state.formatting = "code-block"; | |
305 var returnType; | |
306 if (!hasExitedList) returnType = getType(state) | |
307 state.localMode = state.localState = null; | |
308 state.block = blockNormal; | |
309 state.f = inlineNormal; | |
310 state.fencedEndRE = null; | |
311 state.code = 0 | |
312 state.thisLine.fencedCodeEnd = true; | |
313 if (hasExitedList) return switchBlock(stream, state, state.block); | |
314 return returnType; | |
315 } else if (state.localMode) { | |
316 return state.localMode.token(stream, state.localState); | |
317 } else { | |
318 stream.skipToEnd(); | |
319 return tokenTypes.code; | |
320 } | |
321 } | |
322 | |
323 // Inline | |
324 function getType(state) { | |
325 var styles = []; | |
326 | |
327 if (state.formatting) { | |
328 styles.push(tokenTypes.formatting); | |
329 | |
330 if (typeof state.formatting === "string") state.formatting = [state.formatting]; | |
331 | |
332 for (var i = 0; i < state.formatting.length; i++) { | |
333 styles.push(tokenTypes.formatting + "-" + state.formatting[i]); | |
334 | |
335 if (state.formatting[i] === "header") { | |
336 styles.push(tokenTypes.formatting + "-" + state.formatting[i] + "-" + state.header); | |
337 } | |
338 | |
339 // Add `formatting-quote` and `formatting-quote-#` for blockquotes | |
340 // Add `error` instead if the maximum blockquote nesting depth is passed | |
341 if (state.formatting[i] === "quote") { | |
342 if (!modeCfg.maxBlockquoteDepth || modeCfg.maxBlockquoteDepth >= state.quote) { | |
343 styles.push(tokenTypes.formatting + "-" + state.formatting[i] + "-" + state.quote); | |
344 } else { | |
345 styles.push("error"); | |
346 } | |
347 } | |
348 } | |
349 } | |
350 | |
351 if (state.taskOpen) { | |
352 styles.push("meta"); | |
353 return styles.length ? styles.join(' ') : null; | |
354 } | |
355 if (state.taskClosed) { | |
356 styles.push("property"); | |
357 return styles.length ? styles.join(' ') : null; | |
358 } | |
359 | |
360 if (state.linkHref) { | |
361 styles.push(tokenTypes.linkHref, "url"); | |
362 } else { // Only apply inline styles to non-url text | |
363 if (state.strong) { styles.push(tokenTypes.strong); } | |
364 if (state.em) { styles.push(tokenTypes.em); } | |
365 if (state.strikethrough) { styles.push(tokenTypes.strikethrough); } | |
366 if (state.emoji) { styles.push(tokenTypes.emoji); } | |
367 if (state.linkText) { styles.push(tokenTypes.linkText); } | |
368 if (state.code) { styles.push(tokenTypes.code); } | |
369 if (state.image) { styles.push(tokenTypes.image); } | |
370 if (state.imageAltText) { styles.push(tokenTypes.imageAltText, "link"); } | |
371 if (state.imageMarker) { styles.push(tokenTypes.imageMarker); } | |
372 } | |
373 | |
374 if (state.header) { styles.push(tokenTypes.header, tokenTypes.header + "-" + state.header); } | |
375 | |
376 if (state.quote) { | |
377 styles.push(tokenTypes.quote); | |
378 | |
379 // Add `quote-#` where the maximum for `#` is modeCfg.maxBlockquoteDepth | |
380 if (!modeCfg.maxBlockquoteDepth || modeCfg.maxBlockquoteDepth >= state.quote) { | |
381 styles.push(tokenTypes.quote + "-" + state.quote); | |
382 } else { | |
383 styles.push(tokenTypes.quote + "-" + modeCfg.maxBlockquoteDepth); | |
384 } | |
385 } | |
386 | |
387 if (state.list !== false) { | |
388 var listMod = (state.listStack.length - 1) % 3; | |
389 if (!listMod) { | |
390 styles.push(tokenTypes.list1); | |
391 } else if (listMod === 1) { | |
392 styles.push(tokenTypes.list2); | |
393 } else { | |
394 styles.push(tokenTypes.list3); | |
395 } | |
396 } | |
397 | |
398 if (state.trailingSpaceNewLine) { | |
399 styles.push("trailing-space-new-line"); | |
400 } else if (state.trailingSpace) { | |
401 styles.push("trailing-space-" + (state.trailingSpace % 2 ? "a" : "b")); | |
402 } | |
403 | |
404 return styles.length ? styles.join(' ') : null; | |
405 } | |
406 | |
407 function handleText(stream, state) { | |
408 if (stream.match(textRE, true)) { | |
409 return getType(state); | |
410 } | |
411 return undefined; | |
412 } | |
413 | |
414 function inlineNormal(stream, state) { | |
415 var style = state.text(stream, state); | |
416 if (typeof style !== 'undefined') | |
417 return style; | |
418 | |
419 if (state.list) { // List marker (*, +, -, 1., etc) | |
420 state.list = null; | |
421 return getType(state); | |
422 } | |
423 | |
424 if (state.taskList) { | |
425 var taskOpen = stream.match(taskListRE, true)[1] === " "; | |
426 if (taskOpen) state.taskOpen = true; | |
427 else state.taskClosed = true; | |
428 if (modeCfg.highlightFormatting) state.formatting = "task"; | |
429 state.taskList = false; | |
430 return getType(state); | |
431 } | |
432 | |
433 state.taskOpen = false; | |
434 state.taskClosed = false; | |
435 | |
436 if (state.header && stream.match(/^#+$/, true)) { | |
437 if (modeCfg.highlightFormatting) state.formatting = "header"; | |
438 return getType(state); | |
439 } | |
440 | |
441 var ch = stream.next(); | |
442 | |
443 // Matches link titles present on next line | |
444 if (state.linkTitle) { | |
445 state.linkTitle = false; | |
446 var matchCh = ch; | |
447 if (ch === '(') { | |
448 matchCh = ')'; | |
449 } | |
450 matchCh = (matchCh+'').replace(/([.?*+^\[\]\\(){}|-])/g, "\\$1"); | |
451 var regex = '^\\s*(?:[^' + matchCh + '\\\\]+|\\\\\\\\|\\\\.)' + matchCh; | |
452 if (stream.match(new RegExp(regex), true)) { | |
453 return tokenTypes.linkHref; | |
454 } | |
455 } | |
456 | |
457 // If this block is changed, it may need to be updated in GFM mode | |
458 if (ch === '`') { | |
459 var previousFormatting = state.formatting; | |
460 if (modeCfg.highlightFormatting) state.formatting = "code"; | |
461 stream.eatWhile('`'); | |
462 var count = stream.current().length | |
463 if (state.code == 0 && (!state.quote || count == 1)) { | |
464 state.code = count | |
465 return getType(state) | |
466 } else if (count == state.code) { // Must be exact | |
467 var t = getType(state) | |
468 state.code = 0 | |
469 return t | |
470 } else { | |
471 state.formatting = previousFormatting | |
472 return getType(state) | |
473 } | |
474 } else if (state.code) { | |
475 return getType(state); | |
476 } | |
477 | |
478 if (ch === '\\') { | |
479 stream.next(); | |
480 if (modeCfg.highlightFormatting) { | |
481 var type = getType(state); | |
482 var formattingEscape = tokenTypes.formatting + "-escape"; | |
483 return type ? type + " " + formattingEscape : formattingEscape; | |
484 } | |
485 } | |
486 | |
487 if (ch === '!' && stream.match(/\[[^\]]*\] ?(?:\(|\[)/, false)) { | |
488 state.imageMarker = true; | |
489 state.image = true; | |
490 if (modeCfg.highlightFormatting) state.formatting = "image"; | |
491 return getType(state); | |
492 } | |
493 | |
494 if (ch === '[' && state.imageMarker && stream.match(/[^\]]*\](\(.*?\)| ?\[.*?\])/, false)) { | |
495 state.imageMarker = false; | |
496 state.imageAltText = true | |
497 if (modeCfg.highlightFormatting) state.formatting = "image"; | |
498 return getType(state); | |
499 } | |
500 | |
501 if (ch === ']' && state.imageAltText) { | |
502 if (modeCfg.highlightFormatting) state.formatting = "image"; | |
503 var type = getType(state); | |
504 state.imageAltText = false; | |
505 state.image = false; | |
506 state.inline = state.f = linkHref; | |
507 return type; | |
508 } | |
509 | |
510 if (ch === '[' && !state.image) { | |
511 if (state.linkText && stream.match(/^.*?\]/)) return getType(state) | |
512 state.linkText = true; | |
513 if (modeCfg.highlightFormatting) state.formatting = "link"; | |
514 return getType(state); | |
515 } | |
516 | |
517 if (ch === ']' && state.linkText) { | |
518 if (modeCfg.highlightFormatting) state.formatting = "link"; | |
519 var type = getType(state); | |
520 state.linkText = false; | |
521 state.inline = state.f = stream.match(/\(.*?\)| ?\[.*?\]/, false) ? linkHref : inlineNormal | |
522 return type; | |
523 } | |
524 | |
525 if (ch === '<' && stream.match(/^(https?|ftps?):\/\/(?:[^\\>]|\\.)+>/, false)) { | |
526 state.f = state.inline = linkInline; | |
527 if (modeCfg.highlightFormatting) state.formatting = "link"; | |
528 var type = getType(state); | |
529 if (type){ | |
530 type += " "; | |
531 } else { | |
532 type = ""; | |
533 } | |
534 return type + tokenTypes.linkInline; | |
535 } | |
536 | |
537 if (ch === '<' && stream.match(/^[^> \\]+@(?:[^\\>]|\\.)+>/, false)) { | |
538 state.f = state.inline = linkInline; | |
539 if (modeCfg.highlightFormatting) state.formatting = "link"; | |
540 var type = getType(state); | |
541 if (type){ | |
542 type += " "; | |
543 } else { | |
544 type = ""; | |
545 } | |
546 return type + tokenTypes.linkEmail; | |
547 } | |
548 | |
549 if (modeCfg.xml && ch === '<' && stream.match(/^(!--|\?|!\[CDATA\[|[a-z][a-z0-9-]*(?:\s+[a-z_:.\-]+(?:\s*=\s*[^>]+)?)*\s*(?:>|$))/i, false)) { | |
550 var end = stream.string.indexOf(">", stream.pos); | |
551 if (end != -1) { | |
552 var atts = stream.string.substring(stream.start, end); | |
553 if (/markdown\s*=\s*('|"){0,1}1('|"){0,1}/.test(atts)) state.md_inside = true; | |
554 } | |
555 stream.backUp(1); | |
556 state.htmlState = CodeMirror.startState(htmlMode); | |
557 return switchBlock(stream, state, htmlBlock); | |
558 } | |
559 | |
560 if (modeCfg.xml && ch === '<' && stream.match(/^\/\w*?>/)) { | |
561 state.md_inside = false; | |
562 return "tag"; | |
563 } else if (ch === "*" || ch === "_") { | |
564 var len = 1, before = stream.pos == 1 ? " " : stream.string.charAt(stream.pos - 2) | |
565 while (len < 3 && stream.eat(ch)) len++ | |
566 var after = stream.peek() || " " | |
567 // See http://spec.commonmark.org/0.27/#emphasis-and-strong-emphasis | |
568 var leftFlanking = !/\s/.test(after) && (!punctuation.test(after) || /\s/.test(before) || punctuation.test(before)) | |
569 var rightFlanking = !/\s/.test(before) && (!punctuation.test(before) || /\s/.test(after) || punctuation.test(after)) | |
570 var setEm = null, setStrong = null | |
571 if (len % 2) { // Em | |
572 if (!state.em && leftFlanking && (ch === "*" || !rightFlanking || punctuation.test(before))) | |
573 setEm = true | |
574 else if (state.em == ch && rightFlanking && (ch === "*" || !leftFlanking || punctuation.test(after))) | |
575 setEm = false | |
576 } | |
577 if (len > 1) { // Strong | |
578 if (!state.strong && leftFlanking && (ch === "*" || !rightFlanking || punctuation.test(before))) | |
579 setStrong = true | |
580 else if (state.strong == ch && rightFlanking && (ch === "*" || !leftFlanking || punctuation.test(after))) | |
581 setStrong = false | |
582 } | |
583 if (setStrong != null || setEm != null) { | |
584 if (modeCfg.highlightFormatting) state.formatting = setEm == null ? "strong" : setStrong == null ? "em" : "strong em" | |
585 if (setEm === true) state.em = ch | |
586 if (setStrong === true) state.strong = ch | |
587 var t = getType(state) | |
588 if (setEm === false) state.em = false | |
589 if (setStrong === false) state.strong = false | |
590 return t | |
591 } | |
592 } else if (ch === ' ') { | |
593 if (stream.eat('*') || stream.eat('_')) { // Probably surrounded by spaces | |
594 if (stream.peek() === ' ') { // Surrounded by spaces, ignore | |
595 return getType(state); | |
596 } else { // Not surrounded by spaces, back up pointer | |
597 stream.backUp(1); | |
598 } | |
599 } | |
600 } | |
601 | |
602 if (modeCfg.strikethrough) { | |
603 if (ch === '~' && stream.eatWhile(ch)) { | |
604 if (state.strikethrough) {// Remove strikethrough | |
605 if (modeCfg.highlightFormatting) state.formatting = "strikethrough"; | |
606 var t = getType(state); | |
607 state.strikethrough = false; | |
608 return t; | |
609 } else if (stream.match(/^[^\s]/, false)) {// Add strikethrough | |
610 state.strikethrough = true; | |
611 if (modeCfg.highlightFormatting) state.formatting = "strikethrough"; | |
612 return getType(state); | |
613 } | |
614 } else if (ch === ' ') { | |
615 if (stream.match('~~', true)) { // Probably surrounded by space | |
616 if (stream.peek() === ' ') { // Surrounded by spaces, ignore | |
617 return getType(state); | |
618 } else { // Not surrounded by spaces, back up pointer | |
619 stream.backUp(2); | |
620 } | |
621 } | |
622 } | |
623 } | |
624 | |
625 if (modeCfg.emoji && ch === ":" && stream.match(/^(?:[a-z_\d+][a-z_\d+-]*|\-[a-z_\d+][a-z_\d+-]*):/)) { | |
626 state.emoji = true; | |
627 if (modeCfg.highlightFormatting) state.formatting = "emoji"; | |
628 var retType = getType(state); | |
629 state.emoji = false; | |
630 return retType; | |
631 } | |
632 | |
633 if (ch === ' ') { | |
634 if (stream.match(/^ +$/, false)) { | |
635 state.trailingSpace++; | |
636 } else if (state.trailingSpace) { | |
637 state.trailingSpaceNewLine = true; | |
638 } | |
639 } | |
640 | |
641 return getType(state); | |
642 } | |
643 | |
644 function linkInline(stream, state) { | |
645 var ch = stream.next(); | |
646 | |
647 if (ch === ">") { | |
648 state.f = state.inline = inlineNormal; | |
649 if (modeCfg.highlightFormatting) state.formatting = "link"; | |
650 var type = getType(state); | |
651 if (type){ | |
652 type += " "; | |
653 } else { | |
654 type = ""; | |
655 } | |
656 return type + tokenTypes.linkInline; | |
657 } | |
658 | |
659 stream.match(/^[^>]+/, true); | |
660 | |
661 return tokenTypes.linkInline; | |
662 } | |
663 | |
664 function linkHref(stream, state) { | |
665 // Check if space, and return NULL if so (to avoid marking the space) | |
666 if(stream.eatSpace()){ | |
667 return null; | |
668 } | |
669 var ch = stream.next(); | |
670 if (ch === '(' || ch === '[') { | |
671 state.f = state.inline = getLinkHrefInside(ch === "(" ? ")" : "]"); | |
672 if (modeCfg.highlightFormatting) state.formatting = "link-string"; | |
673 state.linkHref = true; | |
674 return getType(state); | |
675 } | |
676 return 'error'; | |
677 } | |
678 | |
679 var linkRE = { | |
680 ")": /^(?:[^\\\(\)]|\\.|\((?:[^\\\(\)]|\\.)*\))*?(?=\))/, | |
681 "]": /^(?:[^\\\[\]]|\\.|\[(?:[^\\\[\]]|\\.)*\])*?(?=\])/ | |
682 } | |
683 | |
684 function getLinkHrefInside(endChar) { | |
685 return function(stream, state) { | |
686 var ch = stream.next(); | |
687 | |
688 if (ch === endChar) { | |
689 state.f = state.inline = inlineNormal; | |
690 if (modeCfg.highlightFormatting) state.formatting = "link-string"; | |
691 var returnState = getType(state); | |
692 state.linkHref = false; | |
693 return returnState; | |
694 } | |
695 | |
696 stream.match(linkRE[endChar]) | |
697 state.linkHref = true; | |
698 return getType(state); | |
699 }; | |
700 } | |
701 | |
702 function footnoteLink(stream, state) { | |
703 if (stream.match(/^([^\]\\]|\\.)*\]:/, false)) { | |
704 state.f = footnoteLinkInside; | |
705 stream.next(); // Consume [ | |
706 if (modeCfg.highlightFormatting) state.formatting = "link"; | |
707 state.linkText = true; | |
708 return getType(state); | |
709 } | |
710 return switchInline(stream, state, inlineNormal); | |
711 } | |
712 | |
713 function footnoteLinkInside(stream, state) { | |
714 if (stream.match(']:', true)) { | |
715 state.f = state.inline = footnoteUrl; | |
716 if (modeCfg.highlightFormatting) state.formatting = "link"; | |
717 var returnType = getType(state); | |
718 state.linkText = false; | |
719 return returnType; | |
720 } | |
721 | |
722 stream.match(/^([^\]\\]|\\.)+/, true); | |
723 | |
724 return tokenTypes.linkText; | |
725 } | |
726 | |
727 function footnoteUrl(stream, state) { | |
728 // Check if space, and return NULL if so (to avoid marking the space) | |
729 if(stream.eatSpace()){ | |
730 return null; | |
731 } | |
732 // Match URL | |
733 stream.match(/^[^\s]+/, true); | |
734 // Check for link title | |
735 if (stream.peek() === undefined) { // End of line, set flag to check next line | |
736 state.linkTitle = true; | |
737 } else { // More content on line, check if link title | |
738 stream.match(/^(?:\s+(?:"(?:[^"\\]|\\.)+"|'(?:[^'\\]|\\.)+'|\((?:[^)\\]|\\.)+\)))?/, true); | |
739 } | |
740 state.f = state.inline = inlineNormal; | |
741 return tokenTypes.linkHref + " url"; | |
742 } | |
743 | |
744 var mode = { | |
745 startState: function() { | |
746 return { | |
747 f: blockNormal, | |
748 | |
749 prevLine: {stream: null}, | |
750 thisLine: {stream: null}, | |
751 | |
752 block: blockNormal, | |
753 htmlState: null, | |
754 indentation: 0, | |
755 | |
756 inline: inlineNormal, | |
757 text: handleText, | |
758 | |
759 formatting: false, | |
760 linkText: false, | |
761 linkHref: false, | |
762 linkTitle: false, | |
763 code: 0, | |
764 em: false, | |
765 strong: false, | |
766 header: 0, | |
767 setext: 0, | |
768 hr: false, | |
769 taskList: false, | |
770 list: false, | |
771 listStack: [], | |
772 quote: 0, | |
773 trailingSpace: 0, | |
774 trailingSpaceNewLine: false, | |
775 strikethrough: false, | |
776 emoji: false, | |
777 fencedEndRE: null | |
778 }; | |
779 }, | |
780 | |
781 copyState: function(s) { | |
782 return { | |
783 f: s.f, | |
784 | |
785 prevLine: s.prevLine, | |
786 thisLine: s.thisLine, | |
787 | |
788 block: s.block, | |
789 htmlState: s.htmlState && CodeMirror.copyState(htmlMode, s.htmlState), | |
790 indentation: s.indentation, | |
791 | |
792 localMode: s.localMode, | |
793 localState: s.localMode ? CodeMirror.copyState(s.localMode, s.localState) : null, | |
794 | |
795 inline: s.inline, | |
796 text: s.text, | |
797 formatting: false, | |
798 linkText: s.linkText, | |
799 linkTitle: s.linkTitle, | |
800 linkHref: s.linkHref, | |
801 code: s.code, | |
802 em: s.em, | |
803 strong: s.strong, | |
804 strikethrough: s.strikethrough, | |
805 emoji: s.emoji, | |
806 header: s.header, | |
807 setext: s.setext, | |
808 hr: s.hr, | |
809 taskList: s.taskList, | |
810 list: s.list, | |
811 listStack: s.listStack.slice(0), | |
812 quote: s.quote, | |
813 indentedCode: s.indentedCode, | |
814 trailingSpace: s.trailingSpace, | |
815 trailingSpaceNewLine: s.trailingSpaceNewLine, | |
816 md_inside: s.md_inside, | |
817 fencedEndRE: s.fencedEndRE | |
818 }; | |
819 }, | |
820 | |
821 token: function(stream, state) { | |
822 | |
823 // Reset state.formatting | |
824 state.formatting = false; | |
825 | |
826 if (stream != state.thisLine.stream) { | |
827 state.header = 0; | |
828 state.hr = false; | |
829 | |
830 if (stream.match(/^\s*$/, true)) { | |
831 blankLine(state); | |
832 return null; | |
833 } | |
834 | |
835 state.prevLine = state.thisLine | |
836 state.thisLine = {stream: stream} | |
837 | |
838 // Reset state.taskList | |
839 state.taskList = false; | |
840 | |
841 // Reset state.trailingSpace | |
842 state.trailingSpace = 0; | |
843 state.trailingSpaceNewLine = false; | |
844 | |
845 if (!state.localState) { | |
846 state.f = state.block; | |
847 if (state.f != htmlBlock) { | |
848 var indentation = stream.match(/^\s*/, true)[0].replace(/\t/g, expandedTab).length; | |
849 state.indentation = indentation; | |
850 state.indentationDiff = null; | |
851 if (indentation > 0) return null; | |
852 } | |
853 } | |
854 } | |
855 return state.f(stream, state); | |
856 }, | |
857 | |
858 innerMode: function(state) { | |
859 if (state.block == htmlBlock) return {state: state.htmlState, mode: htmlMode}; | |
860 if (state.localState) return {state: state.localState, mode: state.localMode}; | |
861 return {state: state, mode: mode}; | |
862 }, | |
863 | |
864 indent: function(state, textAfter, line) { | |
865 if (state.block == htmlBlock && htmlMode.indent) return htmlMode.indent(state.htmlState, textAfter, line) | |
866 if (state.localState && state.localMode.indent) return state.localMode.indent(state.localState, textAfter, line) | |
867 return CodeMirror.Pass | |
868 }, | |
869 | |
870 blankLine: blankLine, | |
871 | |
872 getType: getType, | |
873 | |
874 blockCommentStart: "<!--", | |
875 blockCommentEnd: "-->", | |
876 closeBrackets: "()[]{}''\"\"``", | |
877 fold: "markdown" | |
878 }; | |
879 return mode; | |
880 }, "xml"); | |
881 | |
882 CodeMirror.defineMIME("text/markdown", "markdown"); | |
883 | |
884 CodeMirror.defineMIME("text/x-markdown", "markdown"); | |
885 | |
886 }); |