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1286 lines
28 KiB
1286 lines
28 KiB
/** |
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* marked - a markdown parser |
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* Copyright (c) 2011-2014, Christopher Jeffrey. (MIT Licensed) |
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* https://github.com/chjj/marked |
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*/ |
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|
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;(function() { |
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|
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/** |
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* Block-Level Grammar |
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*/ |
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|
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var block = { |
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newline: /^\n+/, |
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code: /^( {4}[^\n]+\n*)+/, |
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fences: noop, |
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hr: /^( *[-*_]){3,} *(?:\n+|$)/, |
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heading: /^ *(#{1,6}) *([^\n]+?) *#* *(?:\n+|$)/, |
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nptable: noop, |
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lheading: /^([^\n]+)\n *(=|-){2,} *(?:\n+|$)/, |
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blockquote: /^( *>[^\n]+(\n(?!def)[^\n]+)*\n*)+/, |
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list: /^( *)(bull) [\s\S]+?(?:hr|def|\n{2,}(?! )(?!\1bull )\n*|\s*$)/, |
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html: /^ *(?:comment *(?:\n|\s*$)|closed *(?:\n{2,}|\s*$)|closing *(?:\n{2,}|\s*$))/, |
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def: /^ *\[([^\]]+)\]: *<?([^\s>]+)>?(?: +["(]([^\n]+)[")])? *(?:\n+|$)/, |
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table: noop, |
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paragraph: /^((?:[^\n]+\n?(?!hr|heading|lheading|blockquote|tag|def))+)\n*/, |
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text: /^[^\n]+/ |
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}; |
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block.bullet = /(?:[*+-]|\d+\.)/; |
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block.item = /^( *)(bull) [^\n]*(?:\n(?!\1bull )[^\n]*)*/; |
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block.item = replace(block.item, 'gm') |
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(/bull/g, block.bullet) |
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(); |
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block.list = replace(block.list) |
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(/bull/g, block.bullet) |
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('hr', '\\n+(?=\\1?(?:[-*_] *){3,}(?:\\n+|$))') |
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('def', '\\n+(?=' + block.def.source + ')') |
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(); |
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block.blockquote = replace(block.blockquote) |
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('def', block.def) |
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(); |
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block._tag = '(?!(?:' |
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+ 'a|em|strong|small|s|cite|q|dfn|abbr|data|time|code' |
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+ '|var|samp|kbd|sub|sup|i|b|u|mark|ruby|rt|rp|bdi|bdo' |
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+ '|span|br|wbr|ins|del|img)\\b)\\w+(?!:/|[^\\w\\s@]*@)\\b'; |
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block.html = replace(block.html) |
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('comment', /<!--[\s\S]*?-->/) |
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('closed', /<(tag)[\s\S]+?<\/\1>/) |
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('closing', /<tag(?:"[^"]*"|'[^']*'|[^'">])*?>/) |
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(/tag/g, block._tag) |
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(); |
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block.paragraph = replace(block.paragraph) |
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('hr', block.hr) |
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('heading', block.heading) |
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('lheading', block.lheading) |
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('blockquote', block.blockquote) |
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('tag', '<' + block._tag) |
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('def', block.def) |
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(); |
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/** |
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* Normal Block Grammar |
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*/ |
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block.normal = merge({}, block); |
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/** |
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* GFM Block Grammar |
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*/ |
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block.gfm = merge({}, block.normal, { |
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fences: /^ *(`{3,}|~{3,})[ \.]*(\S+)? *\n([\s\S]*?)\s*\1 *(?:\n+|$)/, |
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paragraph: /^/, |
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heading: /^ *(#{1,6}) +([^\n]+?) *#* *(?:\n+|$)/ |
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}); |
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block.gfm.paragraph = replace(block.paragraph) |
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('(?!', '(?!' |
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+ block.gfm.fences.source.replace('\\1', '\\2') + '|' |
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+ block.list.source.replace('\\1', '\\3') + '|') |
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(); |
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/** |
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* GFM + Tables Block Grammar |
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*/ |
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block.tables = merge({}, block.gfm, { |
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nptable: /^ *(\S.*\|.*)\n *([-:]+ *\|[-| :]*)\n((?:.*\|.*(?:\n|$))*)\n*/, |
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table: /^ *\|(.+)\n *\|( *[-:]+[-| :]*)\n((?: *\|.*(?:\n|$))*)\n*/ |
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}); |
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/** |
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* Block Lexer |
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*/ |
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function Lexer(options) { |
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this.tokens = []; |
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this.tokens.links = {}; |
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this.options = options || marked.defaults; |
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this.rules = block.normal; |
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if (this.options.gfm) { |
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if (this.options.tables) { |
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this.rules = block.tables; |
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} else { |
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this.rules = block.gfm; |
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} |
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} |
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} |
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/** |
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* Expose Block Rules |
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*/ |
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Lexer.rules = block; |
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/** |
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* Static Lex Method |
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*/ |
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Lexer.lex = function(src, options) { |
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var lexer = new Lexer(options); |
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return lexer.lex(src); |
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}; |
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/** |
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* Preprocessing |
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*/ |
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Lexer.prototype.lex = function(src) { |
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src = src |
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.replace(/\r\n|\r/g, '\n') |
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.replace(/\t/g, ' ') |
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.replace(/\u00a0/g, ' ') |
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.replace(/\u2424/g, '\n'); |
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return this.token(src, true); |
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}; |
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/** |
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* Lexing |
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*/ |
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Lexer.prototype.token = function(src, top, bq) { |
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var src = src.replace(/^ +$/gm, '') |
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, next |
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, loose |
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, cap |
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, bull |
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, b |
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, item |
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, space |
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, i |
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, l; |
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|
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while (src) { |
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// newline |
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if (cap = this.rules.newline.exec(src)) { |
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src = src.substring(cap[0].length); |
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if (cap[0].length > 1) { |
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this.tokens.push({ |
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type: 'space' |
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}); |
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} |
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} |
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|
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// code |
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if (cap = this.rules.code.exec(src)) { |
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src = src.substring(cap[0].length); |
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cap = cap[0].replace(/^ {4}/gm, ''); |
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this.tokens.push({ |
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type: 'code', |
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text: !this.options.pedantic |
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? cap.replace(/\n+$/, '') |
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: cap |
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}); |
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continue; |
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} |
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|
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// fences (gfm) |
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if (cap = this.rules.fences.exec(src)) { |
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src = src.substring(cap[0].length); |
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this.tokens.push({ |
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type: 'code', |
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lang: cap[2], |
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text: cap[3] || '' |
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}); |
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continue; |
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} |
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|
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// heading |
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if (cap = this.rules.heading.exec(src)) { |
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src = src.substring(cap[0].length); |
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this.tokens.push({ |
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type: 'heading', |
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depth: cap[1].length, |
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text: cap[2] |
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}); |
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continue; |
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} |
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|
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// table no leading pipe (gfm) |
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if (top && (cap = this.rules.nptable.exec(src))) { |
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src = src.substring(cap[0].length); |
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item = { |
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type: 'table', |
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header: cap[1].replace(/^ *| *\| *$/g, '').split(/ *\| */), |
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align: cap[2].replace(/^ *|\| *$/g, '').split(/ *\| */), |
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cells: cap[3].replace(/\n$/, '').split('\n') |
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}; |
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for (i = 0; i < item.align.length; i++) { |
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if (/^ *-+: *$/.test(item.align[i])) { |
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item.align[i] = 'right'; |
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} else if (/^ *:-+: *$/.test(item.align[i])) { |
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item.align[i] = 'center'; |
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} else if (/^ *:-+ *$/.test(item.align[i])) { |
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item.align[i] = 'left'; |
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} else { |
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item.align[i] = null; |
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} |
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} |
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for (i = 0; i < item.cells.length; i++) { |
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item.cells[i] = item.cells[i].split(/ *\| */); |
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} |
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this.tokens.push(item); |
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continue; |
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} |
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// lheading |
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if (cap = this.rules.lheading.exec(src)) { |
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src = src.substring(cap[0].length); |
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this.tokens.push({ |
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type: 'heading', |
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depth: cap[2] === '=' ? 1 : 2, |
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text: cap[1] |
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}); |
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continue; |
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} |
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|
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// hr |
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if (cap = this.rules.hr.exec(src)) { |
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src = src.substring(cap[0].length); |
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this.tokens.push({ |
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type: 'hr' |
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}); |
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continue; |
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} |
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// blockquote |
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if (cap = this.rules.blockquote.exec(src)) { |
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src = src.substring(cap[0].length); |
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this.tokens.push({ |
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type: 'blockquote_start' |
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}); |
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cap = cap[0].replace(/^ *> ?/gm, ''); |
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|
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// Pass `top` to keep the current |
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// "toplevel" state. This is exactly |
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// how markdown.pl works. |
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this.token(cap, top, true); |
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this.tokens.push({ |
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type: 'blockquote_end' |
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}); |
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continue; |
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} |
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// list |
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if (cap = this.rules.list.exec(src)) { |
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src = src.substring(cap[0].length); |
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bull = cap[2]; |
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this.tokens.push({ |
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type: 'list_start', |
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ordered: bull.length > 1 |
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}); |
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|
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// Get each top-level item. |
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cap = cap[0].match(this.rules.item); |
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next = false; |
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l = cap.length; |
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i = 0; |
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for (; i < l; i++) { |
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item = cap[i]; |
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|
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// Remove the list item's bullet |
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// so it is seen as the next token. |
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space = item.length; |
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item = item.replace(/^ *([*+-]|\d+\.) +/, ''); |
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|
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// Outdent whatever the |
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// list item contains. Hacky. |
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if (~item.indexOf('\n ')) { |
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space -= item.length; |
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item = !this.options.pedantic |
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? item.replace(new RegExp('^ {1,' + space + '}', 'gm'), '') |
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: item.replace(/^ {1,4}/gm, ''); |
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} |
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// Determine whether the next list item belongs here. |
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// Backpedal if it does not belong in this list. |
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if (this.options.smartLists && i !== l - 1) { |
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b = block.bullet.exec(cap[i + 1])[0]; |
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if (bull !== b && !(bull.length > 1 && b.length > 1)) { |
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src = cap.slice(i + 1).join('\n') + src; |
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i = l - 1; |
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} |
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} |
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|
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// Determine whether item is loose or not. |
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// Use: /(^|\n)(?! )[^\n]+\n\n(?!\s*$)/ |
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// for discount behavior. |
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loose = next || /\n\n(?!\s*$)/.test(item); |
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if (i !== l - 1) { |
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next = item.charAt(item.length - 1) === '\n'; |
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if (!loose) loose = next; |
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} |
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this.tokens.push({ |
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type: loose |
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? 'loose_item_start' |
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: 'list_item_start' |
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}); |
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|
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// Recurse. |
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this.token(item, false, bq); |
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this.tokens.push({ |
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type: 'list_item_end' |
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}); |
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} |
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this.tokens.push({ |
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type: 'list_end' |
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}); |
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continue; |
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} |
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|
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// html |
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if (cap = this.rules.html.exec(src)) { |
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src = src.substring(cap[0].length); |
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this.tokens.push({ |
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type: this.options.sanitize |
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? 'paragraph' |
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: 'html', |
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pre: !this.options.sanitizer |
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&& (cap[1] === 'pre' || cap[1] === 'script' || cap[1] === 'style'), |
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text: cap[0] |
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}); |
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continue; |
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} |
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|
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// def |
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if ((!bq && top) && (cap = this.rules.def.exec(src))) { |
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src = src.substring(cap[0].length); |
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this.tokens.links[cap[1].toLowerCase()] = { |
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href: cap[2], |
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title: cap[3] |
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}; |
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continue; |
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} |
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|
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// table (gfm) |
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if (top && (cap = this.rules.table.exec(src))) { |
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src = src.substring(cap[0].length); |
|
|
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item = { |
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type: 'table', |
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header: cap[1].replace(/^ *| *\| *$/g, '').split(/ *\| */), |
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align: cap[2].replace(/^ *|\| *$/g, '').split(/ *\| */), |
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cells: cap[3].replace(/(?: *\| *)?\n$/, '').split('\n') |
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}; |
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|
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for (i = 0; i < item.align.length; i++) { |
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if (/^ *-+: *$/.test(item.align[i])) { |
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item.align[i] = 'right'; |
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} else if (/^ *:-+: *$/.test(item.align[i])) { |
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item.align[i] = 'center'; |
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} else if (/^ *:-+ *$/.test(item.align[i])) { |
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item.align[i] = 'left'; |
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} else { |
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item.align[i] = null; |
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} |
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} |
|
|
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for (i = 0; i < item.cells.length; i++) { |
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item.cells[i] = item.cells[i] |
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.replace(/^ *\| *| *\| *$/g, '') |
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.split(/ *\| */); |
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} |
|
|
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this.tokens.push(item); |
|
|
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continue; |
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} |
|
|
|
// top-level paragraph |
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if (top && (cap = this.rules.paragraph.exec(src))) { |
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src = src.substring(cap[0].length); |
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this.tokens.push({ |
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type: 'paragraph', |
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text: cap[1].charAt(cap[1].length - 1) === '\n' |
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? cap[1].slice(0, -1) |
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: cap[1] |
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}); |
|
continue; |
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} |
|
|
|
// text |
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if (cap = this.rules.text.exec(src)) { |
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// Top-level should never reach here. |
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src = src.substring(cap[0].length); |
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this.tokens.push({ |
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type: 'text', |
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text: cap[0] |
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}); |
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continue; |
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} |
|
|
|
if (src) { |
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throw new |
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Error('Infinite loop on byte: ' + src.charCodeAt(0)); |
|
} |
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} |
|
|
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return this.tokens; |
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}; |
|
|
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/** |
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* Inline-Level Grammar |
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*/ |
|
|
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var inline = { |
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escape: /^\\([\\`*{}\[\]()#+\-.!_>])/, |
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autolink: /^<([^ >]+(@|:\/)[^ >]+)>/, |
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url: noop, |
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tag: /^<!--[\s\S]*?-->|^<\/?\w+(?:"[^"]*"|'[^']*'|[^'">])*?>/, |
|
link: /^!?\[(inside)\]\(href\)/, |
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reflink: /^!?\[(inside)\]\s*\[([^\]]*)\]/, |
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nolink: /^!?\[((?:\[[^\]]*\]|[^\[\]])*)\]/, |
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strong: /^__([\s\S]+?)__(?!_)|^\*\*([\s\S]+?)\*\*(?!\*)/, |
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em: /^\b_((?:[^_]|__)+?)_\b|^\*((?:\*\*|[\s\S])+?)\*(?!\*)/, |
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code: /^(`+)\s*([\s\S]*?[^`])\s*\1(?!`)/, |
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br: /^ {2,}\n(?!\s*$)/, |
|
del: noop, |
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text: /^[\s\S]+?(?=[\\<!\[_*`]| {2,}\n|$)/ |
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}; |
|
|
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inline._inside = /(?:\[[^\]]*\]|[^\[\]]|\](?=[^\[]*\]))*/; |
|
inline._href = /\s*<?([\s\S]*?)>?(?:\s+['"]([\s\S]*?)['"])?\s*/; |
|
|
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inline.link = replace(inline.link) |
|
('inside', inline._inside) |
|
('href', inline._href) |
|
(); |
|
|
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inline.reflink = replace(inline.reflink) |
|
('inside', inline._inside) |
|
(); |
|
|
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/** |
|
* Normal Inline Grammar |
|
*/ |
|
|
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inline.normal = merge({}, inline); |
|
|
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/** |
|
* Pedantic Inline Grammar |
|
*/ |
|
|
|
inline.pedantic = merge({}, inline.normal, { |
|
strong: /^__(?=\S)([\s\S]*?\S)__(?!_)|^\*\*(?=\S)([\s\S]*?\S)\*\*(?!\*)/, |
|
em: /^_(?=\S)([\s\S]*?\S)_(?!_)|^\*(?=\S)([\s\S]*?\S)\*(?!\*)/ |
|
}); |
|
|
|
/** |
|
* GFM Inline Grammar |
|
*/ |
|
|
|
inline.gfm = merge({}, inline.normal, { |
|
escape: replace(inline.escape)('])', '~|])')(), |
|
url: /^(https?:\/\/[^\s<]+[^<.,:;"')\]\s])/, |
|
del: /^~~(?=\S)([\s\S]*?\S)~~/, |
|
text: replace(inline.text) |
|
(']|', '~]|') |
|
('|', '|https?://|') |
|
() |
|
}); |
|
|
|
/** |
|
* GFM + Line Breaks Inline Grammar |
|
*/ |
|
|
|
inline.breaks = merge({}, inline.gfm, { |
|
br: replace(inline.br)('{2,}', '*')(), |
|
text: replace(inline.gfm.text)('{2,}', '*')() |
|
}); |
|
|
|
/** |
|
* Inline Lexer & Compiler |
|
*/ |
|
|
|
function InlineLexer(links, options) { |
|
this.options = options || marked.defaults; |
|
this.links = links; |
|
this.rules = inline.normal; |
|
this.renderer = this.options.renderer || new Renderer; |
|
this.renderer.options = this.options; |
|
|
|
if (!this.links) { |
|
throw new |
|
Error('Tokens array requires a `links` property.'); |
|
} |
|
|
|
if (this.options.gfm) { |
|
if (this.options.breaks) { |
|
this.rules = inline.breaks; |
|
} else { |
|
this.rules = inline.gfm; |
|
} |
|
} else if (this.options.pedantic) { |
|
this.rules = inline.pedantic; |
|
} |
|
} |
|
|
|
/** |
|
* Expose Inline Rules |
|
*/ |
|
|
|
InlineLexer.rules = inline; |
|
|
|
/** |
|
* Static Lexing/Compiling Method |
|
*/ |
|
|
|
InlineLexer.output = function(src, links, options) { |
|
var inline = new InlineLexer(links, options); |
|
return inline.output(src); |
|
}; |
|
|
|
/** |
|
* Lexing/Compiling |
|
*/ |
|
|
|
InlineLexer.prototype.output = function(src) { |
|
var out = '' |
|
, link |
|
, text |
|
, href |
|
, cap; |
|
|
|
while (src) { |
|
// escape |
|
if (cap = this.rules.escape.exec(src)) { |
|
src = src.substring(cap[0].length); |
|
out += cap[1]; |
|
continue; |
|
} |
|
|
|
// autolink |
|
if (cap = this.rules.autolink.exec(src)) { |
|
src = src.substring(cap[0].length); |
|
if (cap[2] === '@') { |
|
text = cap[1].charAt(6) === ':' |
|
? this.mangle(cap[1].substring(7)) |
|
: this.mangle(cap[1]); |
|
href = this.mangle('mailto:') + text; |
|
} else { |
|
text = escape(cap[1]); |
|
href = text; |
|
} |
|
out += this.renderer.link(href, null, text); |
|
continue; |
|
} |
|
|
|
// url (gfm) |
|
if (!this.inLink && (cap = this.rules.url.exec(src))) { |
|
src = src.substring(cap[0].length); |
|
text = escape(cap[1]); |
|
href = text; |
|
out += this.renderer.link(href, null, text); |
|
continue; |
|
} |
|
|
|
// tag |
|
if (cap = this.rules.tag.exec(src)) { |
|
if (!this.inLink && /^<a /i.test(cap[0])) { |
|
this.inLink = true; |
|
} else if (this.inLink && /^<\/a>/i.test(cap[0])) { |
|
this.inLink = false; |
|
} |
|
src = src.substring(cap[0].length); |
|
out += this.options.sanitize |
|
? this.options.sanitizer |
|
? this.options.sanitizer(cap[0]) |
|
: escape(cap[0]) |
|
: cap[0] |
|
continue; |
|
} |
|
|
|
// link |
|
if (cap = this.rules.link.exec(src)) { |
|
src = src.substring(cap[0].length); |
|
this.inLink = true; |
|
out += this.outputLink(cap, { |
|
href: cap[2], |
|
title: cap[3] |
|
}); |
|
this.inLink = false; |
|
continue; |
|
} |
|
|
|
// reflink, nolink |
|
if ((cap = this.rules.reflink.exec(src)) |
|
|| (cap = this.rules.nolink.exec(src))) { |
|
src = src.substring(cap[0].length); |
|
link = (cap[2] || cap[1]).replace(/\s+/g, ' '); |
|
link = this.links[link.toLowerCase()]; |
|
if (!link || !link.href) { |
|
out += cap[0].charAt(0); |
|
src = cap[0].substring(1) + src; |
|
continue; |
|
} |
|
this.inLink = true; |
|
out += this.outputLink(cap, link); |
|
this.inLink = false; |
|
continue; |
|
} |
|
|
|
// strong |
|
if (cap = this.rules.strong.exec(src)) { |
|
src = src.substring(cap[0].length); |
|
out += this.renderer.strong(this.output(cap[2] || cap[1])); |
|
continue; |
|
} |
|
|
|
// em |
|
if (cap = this.rules.em.exec(src)) { |
|
src = src.substring(cap[0].length); |
|
out += this.renderer.em(this.output(cap[2] || cap[1])); |
|
continue; |
|
} |
|
|
|
// code |
|
if (cap = this.rules.code.exec(src)) { |
|
src = src.substring(cap[0].length); |
|
out += this.renderer.codespan(escape(cap[2], true)); |
|
continue; |
|
} |
|
|
|
// br |
|
if (cap = this.rules.br.exec(src)) { |
|
src = src.substring(cap[0].length); |
|
out += this.renderer.br(); |
|
continue; |
|
} |
|
|
|
// del (gfm) |
|
if (cap = this.rules.del.exec(src)) { |
|
src = src.substring(cap[0].length); |
|
out += this.renderer.del(this.output(cap[1])); |
|
continue; |
|
} |
|
|
|
// text |
|
if (cap = this.rules.text.exec(src)) { |
|
src = src.substring(cap[0].length); |
|
out += this.renderer.text(escape(this.smartypants(cap[0]))); |
|
continue; |
|
} |
|
|
|
if (src) { |
|
throw new |
|
Error('Infinite loop on byte: ' + src.charCodeAt(0)); |
|
} |
|
} |
|
|
|
return out; |
|
}; |
|
|
|
/** |
|
* Compile Link |
|
*/ |
|
|
|
InlineLexer.prototype.outputLink = function(cap, link) { |
|
var href = escape(link.href) |
|
, title = link.title ? escape(link.title) : null; |
|
|
|
return cap[0].charAt(0) !== '!' |
|
? this.renderer.link(href, title, this.output(cap[1])) |
|
: this.renderer.image(href, title, escape(cap[1])); |
|
}; |
|
|
|
/** |
|
* Smartypants Transformations |
|
*/ |
|
|
|
InlineLexer.prototype.smartypants = function(text) { |
|
if (!this.options.smartypants) return text; |
|
return text |
|
// em-dashes |
|
.replace(/---/g, '\u2014') |
|
// en-dashes |
|
.replace(/--/g, '\u2013') |
|
// opening singles |
|
.replace(/(^|[-\u2014/(\[{"\s])'/g, '$1\u2018') |
|
// closing singles & apostrophes |
|
.replace(/'/g, '\u2019') |
|
// opening doubles |
|
.replace(/(^|[-\u2014/(\[{\u2018\s])"/g, '$1\u201c') |
|
// closing doubles |
|
.replace(/"/g, '\u201d') |
|
// ellipses |
|
.replace(/\.{3}/g, '\u2026'); |
|
}; |
|
|
|
/** |
|
* Mangle Links |
|
*/ |
|
|
|
InlineLexer.prototype.mangle = function(text) { |
|
if (!this.options.mangle) return text; |
|
var out = '' |
|
, l = text.length |
|
, i = 0 |
|
, ch; |
|
|
|
for (; i < l; i++) { |
|
ch = text.charCodeAt(i); |
|
if (Math.random() > 0.5) { |
|
ch = 'x' + ch.toString(16); |
|
} |
|
out += '&#' + ch + ';'; |
|
} |
|
|
|
return out; |
|
}; |
|
|
|
/** |
|
* Renderer |
|
*/ |
|
|
|
function Renderer(options) { |
|
this.options = options || {}; |
|
} |
|
|
|
Renderer.prototype.code = function(code, lang, escaped) { |
|
if (this.options.highlight) { |
|
var out = this.options.highlight(code, lang); |
|
if (out != null && out !== code) { |
|
escaped = true; |
|
code = out; |
|
} |
|
} |
|
|
|
if (!lang) { |
|
return '<pre><code>' |
|
+ (escaped ? code : escape(code, true)) |
|
+ '\n</code></pre>'; |
|
} |
|
|
|
return '<pre><code class="' |
|
+ this.options.langPrefix |
|
+ escape(lang, true) |
|
+ '">' |
|
+ (escaped ? code : escape(code, true)) |
|
+ '\n</code></pre>\n'; |
|
}; |
|
|
|
Renderer.prototype.blockquote = function(quote) { |
|
return '<blockquote>\n' + quote + '</blockquote>\n'; |
|
}; |
|
|
|
Renderer.prototype.html = function(html) { |
|
return html; |
|
}; |
|
|
|
Renderer.prototype.heading = function(text, level, raw) { |
|
return '<h' |
|
+ level |
|
+ ' id="' |
|
+ this.options.headerPrefix |
|
+ raw.toLowerCase().replace(/[^\w]+/g, '-') |
|
+ '">' |
|
+ text |
|
+ '</h' |
|
+ level |
|
+ '>\n'; |
|
}; |
|
|
|
Renderer.prototype.hr = function() { |
|
return this.options.xhtml ? '<hr/>\n' : '<hr>\n'; |
|
}; |
|
|
|
Renderer.prototype.list = function(body, ordered) { |
|
var type = ordered ? 'ol' : 'ul'; |
|
return '<' + type + '>\n' + body + '</' + type + '>\n'; |
|
}; |
|
|
|
Renderer.prototype.listitem = function(text) { |
|
return '<li>' + text + '</li>\n'; |
|
}; |
|
|
|
Renderer.prototype.paragraph = function(text) { |
|
return '<p>' + text + '</p>\n'; |
|
}; |
|
|
|
Renderer.prototype.table = function(header, body) { |
|
return '<table>\n' |
|
+ '<thead>\n' |
|
+ header |
|
+ '</thead>\n' |
|
+ '<tbody>\n' |
|
+ body |
|
+ '</tbody>\n' |
|
+ '</table>\n'; |
|
}; |
|
|
|
Renderer.prototype.tablerow = function(content) { |
|
return '<tr>\n' + content + '</tr>\n'; |
|
}; |
|
|
|
Renderer.prototype.tablecell = function(content, flags) { |
|
var type = flags.header ? 'th' : 'td'; |
|
var tag = flags.align |
|
? '<' + type + ' style="text-align:' + flags.align + '">' |
|
: '<' + type + '>'; |
|
return tag + content + '</' + type + '>\n'; |
|
}; |
|
|
|
// span level renderer |
|
Renderer.prototype.strong = function(text) { |
|
return '<strong>' + text + '</strong>'; |
|
}; |
|
|
|
Renderer.prototype.em = function(text) { |
|
return '<em>' + text + '</em>'; |
|
}; |
|
|
|
Renderer.prototype.codespan = function(text) { |
|
return '<code>' + text + '</code>'; |
|
}; |
|
|
|
Renderer.prototype.br = function() { |
|
return this.options.xhtml ? '<br/>' : '<br>'; |
|
}; |
|
|
|
Renderer.prototype.del = function(text) { |
|
return '<del>' + text + '</del>'; |
|
}; |
|
|
|
Renderer.prototype.link = function(href, title, text) { |
|
if (this.options.sanitize) { |
|
try { |
|
var prot = decodeURIComponent(unescape(href)) |
|
.replace(/[^\w:]/g, '') |
|
.toLowerCase(); |
|
} catch (e) { |
|
return ''; |
|
} |
|
if (prot.indexOf('javascript:') === 0 || prot.indexOf('vbscript:') === 0) { |
|
return ''; |
|
} |
|
} |
|
var out = '<a href="' + href + '"'; |
|
if (title) { |
|
out += ' title="' + title + '"'; |
|
} |
|
out += '>' + text + '</a>'; |
|
return out; |
|
}; |
|
|
|
Renderer.prototype.image = function(href, title, text) { |
|
var out = '<img src="' + href + '" alt="' + text + '"'; |
|
if (title) { |
|
out += ' title="' + title + '"'; |
|
} |
|
out += this.options.xhtml ? '/>' : '>'; |
|
return out; |
|
}; |
|
|
|
Renderer.prototype.text = function(text) { |
|
return text; |
|
}; |
|
|
|
/** |
|
* Parsing & Compiling |
|
*/ |
|
|
|
function Parser(options) { |
|
this.tokens = []; |
|
this.token = null; |
|
this.options = options || marked.defaults; |
|
this.options.renderer = this.options.renderer || new Renderer; |
|
this.renderer = this.options.renderer; |
|
this.renderer.options = this.options; |
|
} |
|
|
|
/** |
|
* Static Parse Method |
|
*/ |
|
|
|
Parser.parse = function(src, options, renderer) { |
|
var parser = new Parser(options, renderer); |
|
return parser.parse(src); |
|
}; |
|
|
|
/** |
|
* Parse Loop |
|
*/ |
|
|
|
Parser.prototype.parse = function(src) { |
|
this.inline = new InlineLexer(src.links, this.options, this.renderer); |
|
this.tokens = src.reverse(); |
|
|
|
var out = ''; |
|
while (this.next()) { |
|
out += this.tok(); |
|
} |
|
|
|
return out; |
|
}; |
|
|
|
/** |
|
* Next Token |
|
*/ |
|
|
|
Parser.prototype.next = function() { |
|
return this.token = this.tokens.pop(); |
|
}; |
|
|
|
/** |
|
* Preview Next Token |
|
*/ |
|
|
|
Parser.prototype.peek = function() { |
|
return this.tokens[this.tokens.length - 1] || 0; |
|
}; |
|
|
|
/** |
|
* Parse Text Tokens |
|
*/ |
|
|
|
Parser.prototype.parseText = function() { |
|
var body = this.token.text; |
|
|
|
while (this.peek().type === 'text') { |
|
body += '\n' + this.next().text; |
|
} |
|
|
|
return this.inline.output(body); |
|
}; |
|
|
|
/** |
|
* Parse Current Token |
|
*/ |
|
|
|
Parser.prototype.tok = function() { |
|
switch (this.token.type) { |
|
case 'space': { |
|
return ''; |
|
} |
|
case 'hr': { |
|
return this.renderer.hr(); |
|
} |
|
case 'heading': { |
|
return this.renderer.heading( |
|
this.inline.output(this.token.text), |
|
this.token.depth, |
|
this.token.text); |
|
} |
|
case 'code': { |
|
return this.renderer.code(this.token.text, |
|
this.token.lang, |
|
this.token.escaped); |
|
} |
|
case 'table': { |
|
var header = '' |
|
, body = '' |
|
, i |
|
, row |
|
, cell |
|
, flags |
|
, j; |
|
|
|
// header |
|
cell = ''; |
|
for (i = 0; i < this.token.header.length; i++) { |
|
flags = { header: true, align: this.token.align[i] }; |
|
cell += this.renderer.tablecell( |
|
this.inline.output(this.token.header[i]), |
|
{ header: true, align: this.token.align[i] } |
|
); |
|
} |
|
header += this.renderer.tablerow(cell); |
|
|
|
for (i = 0; i < this.token.cells.length; i++) { |
|
row = this.token.cells[i]; |
|
|
|
cell = ''; |
|
for (j = 0; j < row.length; j++) { |
|
cell += this.renderer.tablecell( |
|
this.inline.output(row[j]), |
|
{ header: false, align: this.token.align[j] } |
|
); |
|
} |
|
|
|
body += this.renderer.tablerow(cell); |
|
} |
|
return this.renderer.table(header, body); |
|
} |
|
case 'blockquote_start': { |
|
var body = ''; |
|
|
|
while (this.next().type !== 'blockquote_end') { |
|
body += this.tok(); |
|
} |
|
|
|
return this.renderer.blockquote(body); |
|
} |
|
case 'list_start': { |
|
var body = '' |
|
, ordered = this.token.ordered; |
|
|
|
while (this.next().type !== 'list_end') { |
|
body += this.tok(); |
|
} |
|
|
|
return this.renderer.list(body, ordered); |
|
} |
|
case 'list_item_start': { |
|
var body = ''; |
|
|
|
while (this.next().type !== 'list_item_end') { |
|
body += this.token.type === 'text' |
|
? this.parseText() |
|
: this.tok(); |
|
} |
|
|
|
return this.renderer.listitem(body); |
|
} |
|
case 'loose_item_start': { |
|
var body = ''; |
|
|
|
while (this.next().type !== 'list_item_end') { |
|
body += this.tok(); |
|
} |
|
|
|
return this.renderer.listitem(body); |
|
} |
|
case 'html': { |
|
var html = !this.token.pre && !this.options.pedantic |
|
? this.inline.output(this.token.text) |
|
: this.token.text; |
|
return this.renderer.html(html); |
|
} |
|
case 'paragraph': { |
|
return this.renderer.paragraph(this.inline.output(this.token.text)); |
|
} |
|
case 'text': { |
|
return this.renderer.paragraph(this.parseText()); |
|
} |
|
} |
|
}; |
|
|
|
/** |
|
* Helpers |
|
*/ |
|
|
|
function escape(html, encode) { |
|
return html |
|
.replace(!encode ? /&(?!#?\w+;)/g : /&/g, '&') |
|
.replace(/</g, '<') |
|
.replace(/>/g, '>') |
|
.replace(/"/g, '"') |
|
.replace(/'/g, '''); |
|
} |
|
|
|
function unescape(html) { |
|
// explicitly match decimal, hex, and named HTML entities |
|
return html.replace(/&(#(?:\d+)|(?:#x[0-9A-Fa-f]+)|(?:\w+));?/g, function(_, n) { |
|
n = n.toLowerCase(); |
|
if (n === 'colon') return ':'; |
|
if (n.charAt(0) === '#') { |
|
return n.charAt(1) === 'x' |
|
? String.fromCharCode(parseInt(n.substring(2), 16)) |
|
: String.fromCharCode(+n.substring(1)); |
|
} |
|
return ''; |
|
}); |
|
} |
|
|
|
function replace(regex, opt) { |
|
regex = regex.source; |
|
opt = opt || ''; |
|
return function self(name, val) { |
|
if (!name) return new RegExp(regex, opt); |
|
val = val.source || val; |
|
val = val.replace(/(^|[^\[])\^/g, '$1'); |
|
regex = regex.replace(name, val); |
|
return self; |
|
}; |
|
} |
|
|
|
function noop() {} |
|
noop.exec = noop; |
|
|
|
function merge(obj) { |
|
var i = 1 |
|
, target |
|
, key; |
|
|
|
for (; i < arguments.length; i++) { |
|
target = arguments[i]; |
|
for (key in target) { |
|
if (Object.prototype.hasOwnProperty.call(target, key)) { |
|
obj[key] = target[key]; |
|
} |
|
} |
|
} |
|
|
|
return obj; |
|
} |
|
|
|
|
|
/** |
|
* Marked |
|
*/ |
|
|
|
function marked(src, opt, callback) { |
|
if (callback || typeof opt === 'function') { |
|
if (!callback) { |
|
callback = opt; |
|
opt = null; |
|
} |
|
|
|
opt = merge({}, marked.defaults, opt || {}); |
|
|
|
var highlight = opt.highlight |
|
, tokens |
|
, pending |
|
, i = 0; |
|
|
|
try { |
|
tokens = Lexer.lex(src, opt) |
|
} catch (e) { |
|
return callback(e); |
|
} |
|
|
|
pending = tokens.length; |
|
|
|
var done = function(err) { |
|
if (err) { |
|
opt.highlight = highlight; |
|
return callback(err); |
|
} |
|
|
|
var out; |
|
|
|
try { |
|
out = Parser.parse(tokens, opt); |
|
} catch (e) { |
|
err = e; |
|
} |
|
|
|
opt.highlight = highlight; |
|
|
|
return err |
|
? callback(err) |
|
: callback(null, out); |
|
}; |
|
|
|
if (!highlight || highlight.length < 3) { |
|
return done(); |
|
} |
|
|
|
delete opt.highlight; |
|
|
|
if (!pending) return done(); |
|
|
|
for (; i < tokens.length; i++) { |
|
(function(token) { |
|
if (token.type !== 'code') { |
|
return --pending || done(); |
|
} |
|
return highlight(token.text, token.lang, function(err, code) { |
|
if (err) return done(err); |
|
if (code == null || code === token.text) { |
|
return --pending || done(); |
|
} |
|
token.text = code; |
|
token.escaped = true; |
|
--pending || done(); |
|
}); |
|
})(tokens[i]); |
|
} |
|
|
|
return; |
|
} |
|
try { |
|
if (opt) opt = merge({}, marked.defaults, opt); |
|
return Parser.parse(Lexer.lex(src, opt), opt); |
|
} catch (e) { |
|
e.message += '\nPlease report this to https://github.com/chjj/marked.'; |
|
if ((opt || marked.defaults).silent) { |
|
return '<p>An error occured:</p><pre>' |
|
+ escape(e.message + '', true) |
|
+ '</pre>'; |
|
} |
|
throw e; |
|
} |
|
} |
|
|
|
/** |
|
* Options |
|
*/ |
|
|
|
marked.options = |
|
marked.setOptions = function(opt) { |
|
merge(marked.defaults, opt); |
|
return marked; |
|
}; |
|
|
|
marked.defaults = { |
|
gfm: true, |
|
tables: true, |
|
breaks: false, |
|
pedantic: false, |
|
sanitize: false, |
|
sanitizer: null, |
|
mangle: true, |
|
smartLists: false, |
|
silent: false, |
|
highlight: null, |
|
langPrefix: 'lang-', |
|
smartypants: false, |
|
headerPrefix: '', |
|
renderer: new Renderer, |
|
xhtml: false |
|
}; |
|
|
|
/** |
|
* Expose |
|
*/ |
|
|
|
marked.Parser = Parser; |
|
marked.parser = Parser.parse; |
|
|
|
marked.Renderer = Renderer; |
|
|
|
marked.Lexer = Lexer; |
|
marked.lexer = Lexer.lex; |
|
|
|
marked.InlineLexer = InlineLexer; |
|
marked.inlineLexer = InlineLexer.output; |
|
|
|
marked.parse = marked; |
|
|
|
if (typeof module !== 'undefined' && typeof exports === 'object') { |
|
module.exports = marked; |
|
} else if (typeof define === 'function' && define.amd) { |
|
define(function() { return marked; }); |
|
} else { |
|
this.marked = marked; |
|
} |
|
|
|
}).call(function() { |
|
return this || (typeof window !== 'undefined' ? window : global); |
|
}());
|
|
|