codemirror.min.js
1 year ago
css.js
1 year ago
htmlmixed.js
1 year ago
javascript.js
1 year ago
markdown.js
1 year ago
xml.js
1 year ago
markdown.js
887 lines
| 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 | }); |
| 887 |