diff --git a/lib/marked.js b/lib/marked.js index 51c7c2ac064..aec5d59cc97 100644 --- a/lib/marked.js +++ b/lib/marked.js @@ -5,1600 +5,1631 @@ */ ;(function(root) { -'use strict'; - -/** - * Block-Level Grammar - */ - -var block = { - newline: /^\n+/, - code: /^( {4}[^\n]+\n*)+/, - fences: noop, - hr: /^ {0,3}((?:- *){3,}|(?:_ *){3,}|(?:\* *){3,})(?:\n+|$)/, - heading: /^ *(#{1,6}) *([^\n]+?) *(?:#+ *)?(?:\n+|$)/, - nptable: noop, - blockquote: /^( {0,3}> ?(paragraph|[^\n]*)(?:\n|$))+/, - list: /^( *)(bull) [\s\S]+?(?:hr|def|\n{2,}(?! )(?!\1bull )\n*|\s*$)/, - html: '^ {0,3}(?:' // optional indentation - + '<(script|pre|style)[\\s>][\\s\\S]*?(?:[^\\n]*\\n+|$)' // (1) - + '|comment[^\\n]*(\\n+|$)' // (2) - + '|<\\?[\\s\\S]*?\\?>\\n*' // (3) - + '|\\n*' // (4) - + '|\\n*' // (5) - + '|)[\\s\\S]*?(?:\\n{2,}|$)' // (6) - + '|<(?!script|pre|style)([a-z][\\w-]*)(?:attribute)*? */?>(?=\\h*\\n)[\\s\\S]*?(?:\\n{2,}|$)' // (7) open tag - + '|(?=\\h*\\n)[\\s\\S]*?(?:\\n{2,}|$)' // (7) closing tag - + ')', - def: /^ {0,3}\[(label)\]: *\n? *]+)>?(?:(?: +\n? *| *\n *)(title))? *(?:\n+|$)/, - table: noop, - lheading: /^([^\n]+)\n *(=|-){2,} *(?:\n+|$)/, - paragraph: /^([^\n]+(?:\n(?!hr|heading|lheading| {0,3}>|<\/?(?:tag)(?: +|\n|\/?>)|<(?:script|pre|style|!--))[^\n]+)*)/, - text: /^[^\n]+/ -}; - -block._label = /(?!\s*\])(?:\\[\[\]]|[^\[\]])+/; -block._title = /(?:"(?:\\"?|[^"\\])*"|'[^'\n]*(?:\n[^'\n]+)*\n?'|\([^()]*\))/; -block.def = edit(block.def) - .replace('label', block._label) - .replace('title', block._title) - .getRegex(); - -block.bullet = /(?:[*+-]|\d+\.)/; -block.item = /^( *)(bull) [^\n]*(?:\n(?!\1bull )[^\n]*)*/; -block.item = edit(block.item, 'gm') - .replace(/bull/g, block.bullet) - .getRegex(); - -block.list = edit(block.list) - .replace(/bull/g, block.bullet) - .replace('hr', '\\n+(?=\\1?(?:(?:- *){3,}|(?:_ *){3,}|(?:\\* *){3,})(?:\\n+|$))') - .replace('def', '\\n+(?=' + block.def.source + ')') - .getRegex(); - -block._tag = 'address|article|aside|base|basefont|blockquote|body|caption' - + '|center|col|colgroup|dd|details|dialog|dir|div|dl|dt|fieldset|figcaption' - + '|figure|footer|form|frame|frameset|h[1-6]|head|header|hr|html|iframe' - + '|legend|li|link|main|menu|menuitem|meta|nav|noframes|ol|optgroup|option' - + '|p|param|section|source|summary|table|tbody|td|tfoot|th|thead|title|tr' - + '|track|ul'; -block._comment = //; -block.html = edit(block.html, 'i') - .replace('comment', block._comment) - .replace('tag', block._tag) - .replace('attribute', / +[a-zA-Z:_][\w.:-]*(?: *= *"[^"\n]*"| *= *'[^'\n]*'| *= *[^\s"'=<>`]+)?/) - .getRegex(); - -block.paragraph = edit(block.paragraph) - .replace('hr', block.hr) - .replace('heading', block.heading) - .replace('lheading', block.lheading) - .replace('tag', block._tag) // pars can be interrupted by type (6) html blocks - .getRegex(); - -block.blockquote = edit(block.blockquote) - .replace('paragraph', block.paragraph) - .getRegex(); - -/** - * Normal Block Grammar - */ - -block.normal = merge({}, block); - -/** - * GFM Block Grammar - */ - -block.gfm = merge({}, block.normal, { - fences: /^ *(`{3,}|~{3,})[ \.]*(\S+)? *\n([\s\S]*?)\n? *\1 *(?:\n+|$)/, - paragraph: /^/, - heading: /^ *(#{1,6}) +([^\n]+?) *#* *(?:\n+|$)/ -}); - -block.gfm.paragraph = edit(block.paragraph) - .replace('(?!', '(?!' - + block.gfm.fences.source.replace('\\1', '\\2') + '|' - + block.list.source.replace('\\1', '\\3') + '|') - .getRegex(); - -/** - * GFM + Tables Block Grammar - */ - -block.tables = merge({}, block.gfm, { - nptable: /^ *([^|\n ].*\|.*)\n *([-:]+ *\|[-| :]*)(?:\n((?:.*[^>\n ].*(?:\n|$))*)\n*|$)/, - table: /^ *\|(.+)\n *\|?( *[-:]+[-| :]*)(?:\n((?: *[^>\n ].*(?:\n|$))*)\n*|$)/ -}); - -/** - * Pedantic grammar - */ - -block.pedantic = merge({}, block.normal, { - html: edit( - '^ *(?:comment *(?:\\n|\\s*$)' - + '|<(tag)[\\s\\S]+? *(?:\\n{2,}|\\s*$)' // closed tag - + '|\\s]*)*?/?> *(?:\\n{2,}|\\s*$))') + 'use strict'; + + /** + * Block-Level Grammar + */ + + var block = { + newline: /^\n+/, + code: /^( {4}[^\n]+\n*)+/, + fences: noop, + hr: /^ {0,3}((?:- *){3,}|(?:_ *){3,}|(?:\* *){3,})(?:\n+|$)/, + heading: /^ *(#{1,6}) *([^\n]+?) *(?:#+ *)?(?:\n+|$)/, + nptable: noop, + blockquote: /^( {0,3}> ?(paragraph|[^\n]*)(?:\n|$))+/, + list: /^( *)(bull) [\s\S]+?(?:hr|def|\n{2,}(?! )(?!\1bull )\n*|\s*$)/, + html: '^ {0,3}(?:' // optional indentation + + '<(script|pre|style)[\\s>][\\s\\S]*?(?:[^\\n]*\\n+|$)' // (1) + + '|comment[^\\n]*(\\n+|$)' // (2) + + '|<\\?[\\s\\S]*?\\?>\\n*' // (3) + + '|\\n*' // (4) + + '|\\n*' // (5) + + '|)[\\s\\S]*?(?:\\n{2,}|$)' // (6) + + '|<(?!script|pre|style)([a-z][\\w-]*)(?:attribute)*? */?>(?=\\h*\\n)[\\s\\S]*?(?:\\n{2,}|$)' // (7) open tag + + '|(?=\\h*\\n)[\\s\\S]*?(?:\\n{2,}|$)' // (7) closing tag + + ')', + def: /^ {0,3}\[(label)\]: *\n? *]+)>?(?:(?: +\n? *| *\n *)(title))? *(?:\n+|$)/, + table: noop, + lheading: /^([^\n]+)\n *(=|-){2,} *(?:\n+|$)/, + paragraph: /^([^\n]+(?:\n(?!hr|heading|lheading| {0,3}>|<\/?(?:tag)(?: +|\n|\/?>)|<(?:script|pre|style|!--))[^\n]+)*)/, + text: /^[^\n]+/ + }; + + block._label = /(?!\s*\])(?:\\[\[\]]|[^\[\]])+/; + block._title = /(?:"(?:\\"?|[^"\\])*"|'[^'\n]*(?:\n[^'\n]+)*\n?'|\([^()]*\))/; + block.def = edit(block.def) + .replace('label', block._label) + .replace('title', block._title) + .getRegex(); + + block.bullet = /(?:[*+-]|\d+\.)/; + block.item = /^( *)(bull) [^\n]*(?:\n(?!\1bull )[^\n]*)*/; + block.item = edit(block.item, 'gm') + .replace(/bull/g, block.bullet) + .getRegex(); + + block.list = edit(block.list) + .replace(/bull/g, block.bullet) + .replace('hr', '\\n+(?=\\1?(?:(?:- *){3,}|(?:_ *){3,}|(?:\\* *){3,})(?:\\n+|$))') + .replace('def', '\\n+(?=' + block.def.source + ')') + .getRegex(); + + block._tag = 'address|article|aside|base|basefont|blockquote|body|caption' + + '|center|col|colgroup|dd|details|dialog|dir|div|dl|dt|fieldset|figcaption' + + '|figure|footer|form|frame|frameset|h[1-6]|head|header|hr|html|iframe' + + '|legend|li|link|main|menu|menuitem|meta|nav|noframes|ol|optgroup|option' + + '|p|param|section|source|summary|table|tbody|td|tfoot|th|thead|title|tr' + + '|track|ul'; + block._comment = //; + block.html = edit(block.html, 'i') .replace('comment', block._comment) - .replace(/tag/g, '(?!(?:' - + 'a|em|strong|small|s|cite|q|dfn|abbr|data|time|code|var|samp|kbd|sub' - + '|sup|i|b|u|mark|ruby|rt|rp|bdi|bdo|span|br|wbr|ins|del|img)' - + '\\b)\\w+(?!:|[^\\w\\s@]*@)\\b') - .getRegex(), - def: /^ *\[([^\]]+)\]: *]+)>?(?: +(["(][^\n]+[")]))? *(?:\n+|$)/ -}); - -/** - * Block Lexer - */ - -function Lexer(options) { - this.tokens = []; - this.tokens.links = Object.create(null); - this.options = options || marked.defaults; - this.rules = block.normal; - - if (this.options.pedantic) { - this.rules = block.pedantic; - } else if (this.options.gfm) { - if (this.options.tables) { - this.rules = block.tables; - } else { - this.rules = block.gfm; + .replace('tag', block._tag) + .replace('attribute', / +[a-zA-Z:_][\w.:-]*(?: *= *"[^"\n]*"| *= *'[^'\n]*'| *= *[^\s"'=<>`]+)?/) + .getRegex(); + + block.paragraph = edit(block.paragraph) + .replace('hr', block.hr) + .replace('heading', block.heading) + .replace('lheading', block.lheading) + .replace('tag', block._tag) // pars can be interrupted by type (6) html blocks + .getRegex(); + + block.blockquote = edit(block.blockquote) + .replace('paragraph', block.paragraph) + .getRegex(); + + /** + * Normal Block Grammar + */ + + block.normal = merge({}, block); + + /** + * GFM Block Grammar + */ + + block.gfm = merge({}, block.normal, { + fences: /^ *(`{3,}|~{3,})[ \.]*(\S+)? *\n([\s\S]*?)\n? *\1 *(?:\n+|$)/, + paragraph: /^/, + heading: /^ *(#{1,6}) +([^\n]+?) *#* *(?:\n+|$)/ + }); + + block.gfm.paragraph = edit(block.paragraph) + .replace('(?!', '(?!' + + block.gfm.fences.source.replace('\\1', '\\2') + '|' + + block.list.source.replace('\\1', '\\3') + '|') + .getRegex(); + + /** + * GFM + Tables Block Grammar + */ + + block.tables = merge({}, block.gfm, { + nptable: /^ *([^|\n ].*\|.*)\n *([-:]+ *\|[-| :]*)(?:\n((?:.*[^>\n ].*(?:\n|$))*)\n*|$)/, + table: /^ *\|(.+)\n *\|?( *[-:]+[-| :]*)(?:\n((?: *[^>\n ].*(?:\n|$))*)\n*|$)/ + }); + + /** + * Pedantic grammar + */ + + block.pedantic = merge({}, block.normal, { + html: edit( + '^ *(?:comment *(?:\\n|\\s*$)' + + '|<(tag)[\\s\\S]+? *(?:\\n{2,}|\\s*$)' // closed tag + + '|\\s]*)*?/?> *(?:\\n{2,}|\\s*$))') + .replace('comment', block._comment) + .replace(/tag/g, '(?!(?:' + + 'a|em|strong|small|s|cite|q|dfn|abbr|data|time|code|var|samp|kbd|sub' + + '|sup|i|b|u|mark|ruby|rt|rp|bdi|bdo|span|br|wbr|ins|del|img)' + + '\\b)\\w+(?!:|[^\\w\\s@]*@)\\b') + .getRegex(), + def: /^ *\[([^\]]+)\]: *]+)>?(?: +(["(][^\n]+[")]))? *(?:\n+|$)/ + }); + + /** + * Block Lexer + */ + + function Lexer(options) { + this.tokens = []; + this.tokens.links = Object.create(null); + this.options = options || marked.defaults; + this.rules = block.normal; + + if (this.options.pedantic) { + this.rules = block.pedantic; + } else if (this.options.gfm) { + if (this.options.tables) { + this.rules = block.tables; + } else { + this.rules = block.gfm; + } } } -} - -/** - * Expose Block Rules - */ - -Lexer.rules = block; - -/** - * Static Lex Method - */ - -Lexer.lex = function(src, options) { - var lexer = new Lexer(options); - return lexer.lex(src); -}; - -/** - * Preprocessing - */ - -Lexer.prototype.lex = function(src) { - src = src - .replace(/\r\n|\r/g, '\n') - .replace(/\t/g, ' ') - .replace(/\u00a0/g, ' ') - .replace(/\u2424/g, '\n'); - - return this.token(src, true); -}; - -/** - * Lexing - */ - -Lexer.prototype.token = function(src, top) { - src = src.replace(/^ +$/gm, ''); - var next, - loose, - cap, - bull, - b, - item, - listStart, - listItems, - t, - space, - i, - tag, - l, - isordered, - istask, - ischecked; - - while (src) { - // newline - if (cap = this.rules.newline.exec(src)) { - src = src.substring(cap[0].length); - if (cap[0].length > 1) { + + /** + * Expose Block Rules + */ + + Lexer.rules = block; + + /** + * Static Lex Method + */ + + Lexer.lex = function(src, options) { + var lexer = new Lexer(options); + return lexer.lex(src); + }; + + /** + * Preprocessing + */ + + Lexer.prototype.lex = function(src) { + src = src + .replace(/\r\n|\r/g, '\n') + .replace(/\t/g, ' ') + .replace(/\u00a0/g, ' ') + .replace(/\u2424/g, '\n'); + + return this.token(src, true); + }; + + /** + * Lexing + */ + + Lexer.prototype.token = function(src, top) { + src = src.replace(/^ +$/gm, ''); + var next, + loose, + cap, + bull, + b, + item, + listStart, + listItems, + t, + space, + i, + tag, + l, + isordered, + istask, + ischecked; + + while (src) { + // newline + if (cap = this.rules.newline.exec(src)) { + src = src.substring(cap[0].length); + if (cap[0].length > 1) { + this.tokens.push({ + type: 'space' + }); + } + } + + // code + if (cap = this.rules.code.exec(src)) { + src = src.substring(cap[0].length); + cap = cap[0].replace(/^ {4}/gm, ''); this.tokens.push({ - type: 'space' + type: 'code', + text: !this.options.pedantic + ? rtrim(cap, '\n') + : cap }); + continue; } - } - - // code - if (cap = this.rules.code.exec(src)) { - src = src.substring(cap[0].length); - cap = cap[0].replace(/^ {4}/gm, ''); - this.tokens.push({ - type: 'code', - text: !this.options.pedantic - ? rtrim(cap, '\n') - : cap - }); - continue; - } - - // fences (gfm) - if (cap = this.rules.fences.exec(src)) { - src = src.substring(cap[0].length); - this.tokens.push({ - type: 'code', - lang: cap[2], - text: cap[3] || '' - }); - continue; - } - - // heading - if (cap = this.rules.heading.exec(src)) { - src = src.substring(cap[0].length); - this.tokens.push({ - type: 'heading', - depth: cap[1].length, - text: cap[2] - }); - continue; - } - - // table no leading pipe (gfm) - if (top && (cap = this.rules.nptable.exec(src))) { - item = { - type: 'table', - header: splitCells(cap[1].replace(/^ *| *\| *$/g, '')), - align: cap[2].replace(/^ *|\| *$/g, '').split(/ *\| */), - cells: cap[3] ? cap[3].replace(/\n$/, '').split('\n') : [] - }; - - if (item.header.length === item.align.length) { + + // fences (gfm) + if (cap = this.rules.fences.exec(src)) { src = src.substring(cap[0].length); - - for (i = 0; i < item.align.length; i++) { - if (/^ *-+: *$/.test(item.align[i])) { - item.align[i] = 'right'; - } else if (/^ *:-+: *$/.test(item.align[i])) { - item.align[i] = 'center'; - } else if (/^ *:-+ *$/.test(item.align[i])) { - item.align[i] = 'left'; - } else { - item.align[i] = null; - } - } - - for (i = 0; i < item.cells.length; i++) { - item.cells[i] = splitCells(item.cells[i], item.header.length); - } - - this.tokens.push(item); - + this.tokens.push({ + type: 'code', + lang: cap[2], + text: cap[3] || '' + }); continue; } - } - - // hr - if (cap = this.rules.hr.exec(src)) { - src = src.substring(cap[0].length); - this.tokens.push({ - type: 'hr' - }); - continue; - } - - // blockquote - if (cap = this.rules.blockquote.exec(src)) { - src = src.substring(cap[0].length); - - this.tokens.push({ - type: 'blockquote_start' - }); - - cap = cap[0].replace(/^ *> ?/gm, ''); - - // Pass `top` to keep the current - // "toplevel" state. This is exactly - // how markdown.pl works. - this.token(cap, top); - - this.tokens.push({ - type: 'blockquote_end' - }); - - continue; - } - - // list - if (cap = this.rules.list.exec(src)) { - src = src.substring(cap[0].length); - bull = cap[2]; - isordered = bull.length > 1; - - listStart = { - type: 'list_start', - ordered: isordered, - start: isordered ? +bull : '', - loose: false - }; - - this.tokens.push(listStart); - - // Get each top-level item. - cap = cap[0].match(this.rules.item); - - listItems = []; - next = false; - l = cap.length; - i = 0; - - for (; i < l; i++) { - item = cap[i]; - - // Remove the list item's bullet - // so it is seen as the next token. - space = item.length; - item = item.replace(/^ *([*+-]|\d+\.) +/, ''); - - // Outdent whatever the - // list item contains. Hacky. - if (~item.indexOf('\n ')) { - space -= item.length; - item = !this.options.pedantic - ? item.replace(new RegExp('^ {1,' + space + '}', 'gm'), '') - : item.replace(/^ {1,4}/gm, ''); - } - - // Determine whether the next list item belongs here. - // Backpedal if it does not belong in this list. - if (this.options.smartLists && i !== l - 1) { - b = block.bullet.exec(cap[i + 1])[0]; - if (bull !== b && !(bull.length > 1 && b.length > 1)) { - src = cap.slice(i + 1).join('\n') + src; - i = l - 1; + + // heading + if (cap = this.rules.heading.exec(src)) { + src = src.substring(cap[0].length); + this.tokens.push({ + type: 'heading', + depth: cap[1].length, + text: cap[2] + }); + continue; + } + + // table no leading pipe (gfm) + if (top && (cap = this.rules.nptable.exec(src))) { + item = { + type: 'table', + header: splitCells(cap[1].replace(/^ *| *\| *$/g, '')), + align: cap[2].replace(/^ *|\| *$/g, '').split(/ *\| */), + cells: cap[3] ? cap[3].replace(/\n$/, '').split('\n') : [] + }; + + if (item.header.length === item.align.length) { + src = src.substring(cap[0].length); + + for (i = 0; i < item.align.length; i++) { + if (/^ *-+: *$/.test(item.align[i])) { + item.align[i] = 'right'; + } else if (/^ *:-+: *$/.test(item.align[i])) { + item.align[i] = 'center'; + } else if (/^ *:-+ *$/.test(item.align[i])) { + item.align[i] = 'left'; + } else { + item.align[i] = null; + } } + + for (i = 0; i < item.cells.length; i++) { + item.cells[i] = splitCells(item.cells[i], item.header.length); + } + + this.tokens.push(item); + + continue; } - - // Determine whether item is loose or not. - // Use: /(^|\n)(?! )[^\n]+\n\n(?!\s*$)/ - // for discount behavior. - loose = next || /\n\n(?!\s*$)/.test(item); - if (i !== l - 1) { - next = item.charAt(item.length - 1) === '\n'; - if (!loose) loose = next; - } - - if (loose) { - listStart.loose = true; - } - - // Check for task list items - istask = /^\[[ xX]\] /.test(item); - ischecked = undefined; - if (istask) { - ischecked = item[1] !== ' '; - item = item.replace(/^\[[ xX]\] +/, ''); - } - - t = { - type: 'list_item_start', - task: istask, - checked: ischecked, - loose: loose - }; - - listItems.push(t); - this.tokens.push(t); - - // Recurse. - this.token(item, false); - + } + + // hr + if (cap = this.rules.hr.exec(src)) { + src = src.substring(cap[0].length); this.tokens.push({ - type: 'list_item_end' + type: 'hr' }); + continue; } - - if (listStart.loose) { - l = listItems.length; + + // blockquote + if (cap = this.rules.blockquote.exec(src)) { + src = src.substring(cap[0].length); + + this.tokens.push({ + type: 'blockquote_start' + }); + + cap = cap[0].replace(/^ *> ?/gm, ''); + + // Pass `top` to keep the current + // "toplevel" state. This is exactly + // how markdown.pl works. + this.token(cap, top); + + this.tokens.push({ + type: 'blockquote_end' + }); + + continue; + } + + // list + if (cap = this.rules.list.exec(src)) { + src = src.substring(cap[0].length); + bull = cap[2]; + isordered = bull.length > 1; + + listStart = { + type: 'list_start', + ordered: isordered, + start: isordered ? +bull : '', + loose: false + }; + + this.tokens.push(listStart); + + // Get each top-level item. + cap = cap[0].match(this.rules.item); + + listItems = []; + next = false; + l = cap.length; i = 0; + for (; i < l; i++) { - listItems[i].loose = true; + item = cap[i]; + + // Remove the list item's bullet + // so it is seen as the next token. + space = item.length; + item = item.replace(/^ *([*+-]|\d+\.) +/, ''); + + // Outdent whatever the + // list item contains. Hacky. + if (~item.indexOf('\n ')) { + space -= item.length; + item = !this.options.pedantic + ? item.replace(new RegExp('^ {1,' + space + '}', 'gm'), '') + : item.replace(/^ {1,4}/gm, ''); + } + + // Determine whether the next list item belongs here. + // Backpedal if it does not belong in this list. + if (this.options.smartLists && i !== l - 1) { + b = block.bullet.exec(cap[i + 1])[0]; + if (bull !== b && !(bull.length > 1 && b.length > 1)) { + src = cap.slice(i + 1).join('\n') + src; + i = l - 1; + } + } + + // Determine whether item is loose or not. + // Use: /(^|\n)(?! )[^\n]+\n\n(?!\s*$)/ + // for discount behavior. + loose = next || /\n\n(?!\s*$)/.test(item); + if (i !== l - 1) { + next = item.charAt(item.length - 1) === '\n'; + if (!loose) loose = next; + } + + if (loose) { + listStart.loose = true; + } + + // Check for task list items + istask = /^\[[ xX]\] /.test(item); + ischecked = undefined; + if (istask) { + ischecked = item[1] !== ' '; + item = item.replace(/^\[[ xX]\] +/, ''); + } + + t = { + type: 'list_item_start', + task: istask, + checked: ischecked, + loose: loose + }; + + listItems.push(t); + this.tokens.push(t); + + // Recurse. + this.token(item, false); + + this.tokens.push({ + type: 'list_item_end' + }); } + + if (listStart.loose) { + l = listItems.length; + i = 0; + for (; i < l; i++) { + listItems[i].loose = true; + } + } + + this.tokens.push({ + type: 'list_end' + }); + + continue; } - - this.tokens.push({ - type: 'list_end' - }); - - continue; - } - - // html - if (cap = this.rules.html.exec(src)) { - src = src.substring(cap[0].length); - this.tokens.push({ - type: this.options.sanitize - ? 'paragraph' - : 'html', - pre: !this.options.sanitizer - && (cap[1] === 'pre' || cap[1] === 'script' || cap[1] === 'style'), - text: cap[0] - }); - continue; - } - - // def - if (top && (cap = this.rules.def.exec(src))) { - src = src.substring(cap[0].length); - if (cap[3]) cap[3] = cap[3].substring(1, cap[3].length - 1); - tag = cap[1].toLowerCase().replace(/\s+/g, ' '); - if (!this.tokens.links[tag]) { - this.tokens.links[tag] = { - href: cap[2], - title: cap[3] - }; + + // html + if (cap = this.rules.html.exec(src)) { + src = src.substring(cap[0].length); + this.tokens.push({ + type: this.options.sanitize + ? 'paragraph' + : 'html', + pre: !this.options.sanitizer + && (cap[1] === 'pre' || cap[1] === 'script' || cap[1] === 'style'), + text: cap[0] + }); + continue; } - continue; - } - - // table (gfm) - if (top && (cap = this.rules.table.exec(src))) { - item = { - type: 'table', - header: splitCells(cap[1].replace(/^ *| *\| *$/g, '')), - align: cap[2].replace(/^ *|\| *$/g, '').split(/ *\| */), - cells: cap[3] ? cap[3].replace(/(?: *\| *)?\n$/, '').split('\n') : [] - }; - - if (item.header.length === item.align.length) { + + // def + if (top && (cap = this.rules.def.exec(src))) { src = src.substring(cap[0].length); - - for (i = 0; i < item.align.length; i++) { - if (/^ *-+: *$/.test(item.align[i])) { - item.align[i] = 'right'; - } else if (/^ *:-+: *$/.test(item.align[i])) { - item.align[i] = 'center'; - } else if (/^ *:-+ *$/.test(item.align[i])) { - item.align[i] = 'left'; - } else { - item.align[i] = null; - } + if (cap[3]) cap[3] = cap[3].substring(1, cap[3].length - 1); + tag = cap[1].toLowerCase().replace(/\s+/g, ' '); + if (!this.tokens.links[tag]) { + this.tokens.links[tag] = { + href: cap[2], + title: cap[3] + }; } - - for (i = 0; i < item.cells.length; i++) { - item.cells[i] = splitCells( - item.cells[i].replace(/^ *\| *| *\| *$/g, ''), - item.header.length); + continue; + } + + // table (gfm) + if (top && (cap = this.rules.table.exec(src))) { + item = { + type: 'table', + header: splitCells(cap[1].replace(/^ *| *\| *$/g, '')), + align: cap[2].replace(/^ *|\| *$/g, '').split(/ *\| */), + cells: cap[3] ? cap[3].replace(/(?: *\| *)?\n$/, '').split('\n') : [] + }; + + if (item.header.length === item.align.length) { + src = src.substring(cap[0].length); + + for (i = 0; i < item.align.length; i++) { + if (/^ *-+: *$/.test(item.align[i])) { + item.align[i] = 'right'; + } else if (/^ *:-+: *$/.test(item.align[i])) { + item.align[i] = 'center'; + } else if (/^ *:-+ *$/.test(item.align[i])) { + item.align[i] = 'left'; + } else { + item.align[i] = null; + } + } + + for (i = 0; i < item.cells.length; i++) { + item.cells[i] = splitCells( + item.cells[i].replace(/^ *\| *| *\| *$/g, ''), + item.header.length); + } + + this.tokens.push(item); + + continue; } - - this.tokens.push(item); - + } + + // lheading + if (cap = this.rules.lheading.exec(src)) { + src = src.substring(cap[0].length); + this.tokens.push({ + type: 'heading', + depth: cap[2] === '=' ? 1 : 2, + text: cap[1] + }); continue; } + + // top-level paragraph + if (top && (cap = this.rules.paragraph.exec(src))) { + src = src.substring(cap[0].length); + this.tokens.push({ + type: 'paragraph', + text: cap[1].charAt(cap[1].length - 1) === '\n' + ? cap[1].slice(0, -1) + : cap[1] + }); + continue; + } + + // text + if (cap = this.rules.text.exec(src)) { + // Top-level should never reach here. + src = src.substring(cap[0].length); + this.tokens.push({ + type: 'text', + text: cap[0] + }); + continue; + } + + if (src) { + throw new Error('Infinite loop on byte: ' + src.charCodeAt(0)); + } } - - // lheading - if (cap = this.rules.lheading.exec(src)) { - src = src.substring(cap[0].length); - this.tokens.push({ - type: 'heading', - depth: cap[2] === '=' ? 1 : 2, - text: cap[1] - }); - continue; - } - - // top-level paragraph - if (top && (cap = this.rules.paragraph.exec(src))) { - src = src.substring(cap[0].length); - this.tokens.push({ - type: 'paragraph', - text: cap[1].charAt(cap[1].length - 1) === '\n' - ? cap[1].slice(0, -1) - : cap[1] - }); - continue; - } - - // text - if (cap = this.rules.text.exec(src)) { - // Top-level should never reach here. - src = src.substring(cap[0].length); - this.tokens.push({ - type: 'text', - text: cap[0] - }); - continue; - } - - if (src) { - throw new Error('Infinite loop on byte: ' + src.charCodeAt(0)); - } - } - - return this.tokens; -}; - -/** - * Inline-Level Grammar - */ - -var inline = { - escape: /^\\([!"#$%&'()*+,\-./:;<=>?@\[\]\\^_`{|}~])/, - autolink: /^<(scheme:[^\s\x00-\x1f<>]*|email)>/, - url: noop, - tag: '^comment' - + '|^' // self-closing tag - + '|^<[a-zA-Z][\\w-]*(?:attribute)*?\\s*/?>' // open tag - + '|^<\\?[\\s\\S]*?\\?>' // processing instruction, e.g. - + '|^' // declaration, e.g. - + '|^', // CDATA section - link: /^!?\[(label)\]\(href(?:\s+(title))?\s*\)/, - reflink: /^!?\[(label)\]\[(?!\s*\])((?:\\[\[\]]?|[^\[\]\\])+)\]/, - nolink: /^!?\[(?!\s*\])((?:\[[^\[\]]*\]|\\[\[\]]|[^\[\]])*)\](?:\[\])?/, - strong: /^__([^\s])__(?!_)|^\*\*([^\s])\*\*(?!\*)|^__([^\s][\s\S]*?[^\s])__(?!_)|^\*\*([^\s][\s\S]*?[^\s])\*\*(?!\*)/, - em: /^_([^\s_])_(?!_)|^\*([^\s*"<\[])\*(?!\*)|^_([^\s][\s\S]*?[^\s_])_(?!_)|^_([^\s_][\s\S]*?[^\s])_(?!_)|^\*([^\s"<\[][\s\S]*?[^\s*])\*(?!\*)|^\*([^\s*"<\[][\s\S]*?[^\s])\*(?!\*)/, - code: /^(`+)([^`]|[^`][\s\S]*?[^`])\1(?!`)/, - br: /^( {2,}|\\)\n(?!\s*$)/, - del: noop, - text: /^(`+|[^`])[\s\S]*?(?=[\\?@\[\]\\^_`{|}~])/g; - -inline._scheme = /[a-zA-Z][a-zA-Z0-9+.-]{1,31}/; -inline._email = /[a-zA-Z0-9.!#$%&'*+/=?^_`{|}~-]+(@)[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?(?:\.[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?)+(?![-_])/; -inline.autolink = edit(inline.autolink) - .replace('scheme', inline._scheme) - .replace('email', inline._email) - .getRegex(); - -inline._attribute = /\s+[a-zA-Z:_][\w.:-]*(?:\s*=\s*"[^"]*"|\s*=\s*'[^']*'|\s*=\s*[^\s"'=<>`]+)?/; - -inline.tag = edit(inline.tag) - .replace('comment', block._comment) - .replace('attribute', inline._attribute) - .getRegex(); - -inline._label = /(?:\[[^\[\]]*\]|\\[\[\]]?|`[^`]*`|[^\[\]\\])*?/; -inline._href = /\s*(<(?:\\[<>]?|[^\s<>\\])*>|(?:\\[()]?|\([^\s\x00-\x1f\\]*\)|[^\s\x00-\x1f()\\])*?)/; -inline._title = /"(?:\\"?|[^"\\])*"|'(?:\\'?|[^'\\])*'|\((?:\\\)?|[^)\\])*\)/; - -inline.link = edit(inline.link) - .replace('label', inline._label) - .replace('href', inline._href) - .replace('title', inline._title) - .getRegex(); - -inline.reflink = edit(inline.reflink) - .replace('label', inline._label) - .getRegex(); - -/** - * Normal Inline Grammar - */ - -inline.normal = merge({}, inline); - -/** - * 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)\*(?!\*)/, - link: edit(/^!?\[(label)\]\((.*?)\)/) + + return this.tokens; + }; + + /** + * Inline-Level Grammar + */ + + var inline = { + escape: /^\\([!"#$%&'()*+,\-./:;<=>?@\[\]\\^_`{|}~])/, + autolink: /^<(scheme:[^\s\x00-\x1f<>]*|email)>/, + url: noop, + tag: '^comment' + + '|^' // self-closing tag + + '|^<[a-zA-Z][\\w-]*(?:attribute)*?\\s*/?>' // open tag + + '|^<\\?[\\s\\S]*?\\?>' // processing instruction, e.g. + + '|^' // declaration, e.g. + + '|^', // CDATA section + link: /^!?\[(label)\]\(href(?:\s+(title))?\s*\)/, + reflink: /^!?\[(label)\]\[(?!\s*\])((?:\\[\[\]]?|[^\[\]\\])+)\]/, + nolink: /^!?\[(?!\s*\])((?:\[[^\[\]]*\]|\\[\[\]]|[^\[\]])*)\](?:\[\])?/, + strong: /^__([^\s])__(?!_)|^\*\*([^\s])\*\*(?!\*)|^__([^\s][\s\S]*?[^\s])__(?!_)|^\*\*([^\s][\s\S]*?[^\s])\*\*(?!\*)/, + em: /^_([^\s_])_(?!_)|^\*([^\s*"<\[])\*(?!\*)|^_([^\s][\s\S]*?[^\s_])_(?!_)|^_([^\s_][\s\S]*?[^\s])_(?!_)|^\*([^\s"<\[][\s\S]*?[^\s*])\*(?!\*)|^\*([^\s*"<\[][\s\S]*?[^\s])\*(?!\*)/, + code: /^(`+)([^`]|[^`][\s\S]*?[^`])\1(?!`)/, + br: /^( {2,}|\\)\n(?!\s*$)/, + del: noop, + text: /^(`+|[^`])[\s\S]*?(?=[\\?@\[\]\\^_`{|}~])/g; + + inline._scheme = /[a-zA-Z][a-zA-Z0-9+.-]{1,31}/; + inline._email = /[a-zA-Z0-9.!#$%&'*+/=?^_`{|}~-]+(@)[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?(?:\.[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?)+(?![-_])/; + inline.autolink = edit(inline.autolink) + .replace('scheme', inline._scheme) + .replace('email', inline._email) + .getRegex(); + + inline._attribute = /\s+[a-zA-Z:_][\w.:-]*(?:\s*=\s*"[^"]*"|\s*=\s*'[^']*'|\s*=\s*[^\s"'=<>`]+)?/; + + inline.tag = edit(inline.tag) + .replace('comment', block._comment) + .replace('attribute', inline._attribute) + .getRegex(); + + inline._label = /(?:\[[^\[\]]*\]|\\[\[\]]?|`[^`]*`|[^\[\]\\])*?/; + inline._href = /\s*(<(?:\\[<>]?|[^\s<>\\])*>|(?:\\[()]?|\([^\s\x00-\x1f\\]*\)|[^\s\x00-\x1f()\\])*?)/; + inline._title = /"(?:\\"?|[^"\\])*"|'(?:\\'?|[^'\\])*'|\((?:\\\)?|[^)\\])*\)/; + + inline.link = edit(inline.link) .replace('label', inline._label) - .getRegex(), - reflink: edit(/^!?\[(label)\]\s*\[([^\]]*)\]/) + .replace('href', inline._href) + .replace('title', inline._title) + .getRegex(); + + inline.reflink = edit(inline.reflink) .replace('label', inline._label) - .getRegex() -}); - -/** - * GFM Inline Grammar - */ - -inline.gfm = merge({}, inline.normal, { - escape: edit(inline.escape).replace('])', '~|])').getRegex(), - _extended_email: /[A-Za-z0-9._+-]+(@)[a-zA-Z0-9-_]+(?:\.[a-zA-Z0-9-_]*[a-zA-Z0-9])+(?![-_])/, - url: /^((?:ftp|https?):\/\/|www\.)(?:[a-zA-Z0-9\-]+\.?)+[^\s<]*|^email/, - _backpedal: /(?:[^?!.,:;*_~()&]+|\([^)]*\)|&(?![a-zA-Z0-9]+;$)|[?!.,:;*_~)]+(?!$))+/, - del: /^~+(?=\S)([\s\S]*?\S)~+/, - text: edit(inline.text) - .replace(']|', '~]|') - .replace('|$', '|https?://|ftp://|www\\.|[a-zA-Z0-9.!#$%&\'*+/=?^_`{\\|}~-]+@|$') - .getRegex() -}); - -inline.gfm.url = edit(inline.gfm.url) - .replace('email', inline.gfm._extended_email) - .getRegex(); -/** - * GFM + Line Breaks Inline Grammar - */ - -inline.breaks = merge({}, inline.gfm, { - br: edit(inline.br).replace('{2,}', '*').getRegex(), - text: edit(inline.gfm.text).replace('{2,}', '*').getRegex() -}); - -/** - * 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.pedantic) { - this.rules = inline.pedantic; - } else if (this.options.gfm) { - if (this.options.breaks) { - this.rules = inline.breaks; - } else { - this.rules = inline.gfm; - } - } -} - -/** - * 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, - title, - cap, - prevCapZero; - - while (src) { - // escape - if (cap = this.rules.escape.exec(src)) { - src = src.substring(cap[0].length); - out += cap[1]; - continue; + .getRegex(); + + /** + * Normal Inline Grammar + */ + + inline.normal = merge({}, inline); + + /** + * 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)\*(?!\*)/, + link: edit(/^!?\[(label)\]\((.*?)\)/) + .replace('label', inline._label) + .getRegex(), + reflink: edit(/^!?\[(label)\]\s*\[([^\]]*)\]/) + .replace('label', inline._label) + .getRegex() + }); + + /** + * GFM Inline Grammar + */ + + inline.gfm = merge({}, inline.normal, { + escape: edit(inline.escape).replace('])', '~|])').getRegex(), + _extended_email: /[A-Za-z0-9._+-]+(@)[a-zA-Z0-9-_]+(?:\.[a-zA-Z0-9-_]*[a-zA-Z0-9])+(?![-_])/, + url: /^((?:ftp|https?):\/\/|www\.)(?:[a-zA-Z0-9\-]+\.?)+[^\s<]*|^email/, + _backpedal: /(?:[^?!.,:;*_~()&]+|\([^)]*\)|&(?![a-zA-Z0-9]+;$)|[?!.,:;*_~)]+(?!$))+/, + del: /^~+(?=\S)([\s\S]*?\S)~+/, + text: edit(inline.text) + .replace(']|', '~]|') + .replace('|$', '|https?://|ftp://|www\\.|[a-zA-Z0-9.!#$%&\'*+/=?^_`{\\|}~-]+@|$') + .getRegex() + }); + + inline.gfm.url = edit(inline.gfm.url) + .replace('email', inline.gfm._extended_email) + .getRegex(); + /** + * GFM + Line Breaks Inline Grammar + */ + + inline.breaks = merge({}, inline.gfm, { + br: edit(inline.br).replace('{2,}', '*').getRegex(), + text: edit(inline.gfm.text).replace('{2,}', '*').getRegex() + }); + + /** + * 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.'); } - - // autolink - if (cap = this.rules.autolink.exec(src)) { - src = src.substring(cap[0].length); - if (cap[2] === '@') { - text = escape(this.mangle(cap[1])); - href = 'mailto:' + text; + + if (this.options.pedantic) { + this.rules = inline.pedantic; + } else if (this.options.gfm) { + if (this.options.breaks) { + this.rules = inline.breaks; } else { - text = escape(cap[1]); - href = text; + this.rules = inline.gfm; } - out += this.renderer.link(href, null, text); - continue; } - - // url (gfm) - if (!this.inLink && (cap = this.rules.url.exec(src))) { - if (cap[2] === '@') { - text = escape(cap[0]); - href = 'mailto:' + text; - } else { - // do extended autolink path validation - do { - prevCapZero = cap[0]; - cap[0] = this.rules._backpedal.exec(cap[0])[0]; - } while (prevCapZero !== cap[0]); - text = escape(cap[0]); - if (cap[1] === 'www.') { - href = 'http://' + text; + } + + /** + * 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, + title, + cap, + prevCapZero; + + 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 = escape(this.mangle(cap[1])); + href = 'mailto:' + text; } else { + text = escape(cap[1]); href = text; } + out += this.renderer.link(href, null, text); + continue; } - src = src.substring(cap[0].length); - out += this.renderer.link(href, null, text); - continue; - } - - // tag - if (cap = this.rules.tag.exec(src)) { - if (!this.inLink && /^/i.test(cap[0])) { + this.inLink = false; + } + if (!this.inRawBlock && /^<(pre|code|kbd|script)(\s|>)/i.test(cap[0])) { + this.inRawBlock = true; + } else if (this.inRawBlock && /^<\/(pre|code|kbd|script)(\s|>)/i.test(cap[0])) { + this.inRawBlock = 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; - } else if (this.inLink && /^<\/a>/i.test(cap[0])) { + href = cap[2]; + if (this.options.pedantic) { + link = /^([^'"]*[^\s])\s+(['"])(.*)\2/.exec(href); + + if (link) { + href = link[1]; + title = link[3]; + } else { + title = ''; + } + } else { + title = cap[3] ? cap[3].slice(1, -1) : ''; + } + href = href.trim().replace(/^<([\s\S]*)>$/, '$1'); + out += this.outputLink(cap, { + href: InlineLexer.escapes(href), + title: InlineLexer.escapes(title) + }); this.inLink = false; + continue; } - if (!this.inRawBlock && /^<(pre|code|kbd|script)(\s|>)/i.test(cap[0])) { - this.inRawBlock = true; - } else if (this.inRawBlock && /^<\/(pre|code|kbd|script)(\s|>)/i.test(cap[0])) { - this.inRawBlock = false; + + // 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; } - - 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; - href = cap[2]; - if (this.options.pedantic) { - link = /^([^'"]*[^\s])\s+(['"])(.*)\2/.exec(href); - - if (link) { - href = link[1]; - title = link[3]; + + // strong + if (cap = this.rules.strong.exec(src)) { + src = src.substring(cap[0].length); + out += this.renderer.strong(this.output(cap[4] || cap[3] || 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[6] || cap[5] || cap[4] || cap[3] || 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].trim(), 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); + if (this.inRawBlock) { + out += this.renderer.text(cap[0]); } else { - title = ''; + out += this.renderer.text(escape(this.smartypants(cap[0]))); } - } else { - title = cap[3] ? cap[3].slice(1, -1) : ''; - } - href = href.trim().replace(/^<([\s\S]*)>$/, '$1'); - out += this.outputLink(cap, { - href: InlineLexer.escapes(href), - title: InlineLexer.escapes(title) - }); - 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[4] || cap[3] || 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[6] || cap[5] || cap[4] || cap[3] || 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].trim(), true)); - continue; - } - - // br - if (cap = this.rules.br.exec(src)) { - src = src.substring(cap[0].length); - out += this.renderer.br(); - continue; + + if (src) { + throw new Error('Infinite loop on byte: ' + src.charCodeAt(0)); + } } - - // del (gfm) - if (cap = this.rules.del.exec(src)) { - src = src.substring(cap[0].length); - out += this.renderer.del(this.output(cap[1])); - continue; + + return out; + }; + + InlineLexer.escapes = function(text) { + return text ? text.replace(InlineLexer.rules._escapes, '$1') : text; + }; + + /** + * Compile Link + */ + + InlineLexer.prototype.outputLink = function(cap, link) { + var href = 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 + ';'; } - - // text - if (cap = this.rules.text.exec(src)) { - src = src.substring(cap[0].length); - if (this.inRawBlock) { - out += this.renderer.text(cap[0]); - } else { - out += this.renderer.text(escape(this.smartypants(cap[0]))); + + return out; + }; + + /** + * Renderer + */ + + function Renderer(options) { + this.options = options || marked.defaults; + } + + 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; } - continue; } - - if (src) { - throw new Error('Infinite loop on byte: ' + src.charCodeAt(0)); + + if (!lang) { + return '
'
+        + (escaped ? code : escape(code, true))
+        + '
'; } - } - - return out; -}; - -InlineLexer.escapes = function(text) { - return text ? text.replace(InlineLexer.rules._escapes, '$1') : text; -}; - -/** - * Compile Link - */ - -InlineLexer.prototype.outputLink = function(cap, link) { - var href = 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); + + return '
'
+      + (escaped ? code : escape(code, true))
+      + '
\n'; + }; + + Renderer.prototype.blockquote = function(quote) { + return '
\n' + quote + '
\n'; + }; + + Renderer.prototype.html = function(html) { + return html; + }; + + Renderer.prototype.heading = function(text, level, raw) { + if (this.options.slugger) { + return '' + + text + + '\n'; + } + // ignore IDs + return '' + text + '\n'; + }; + + Renderer.prototype.hr = function() { + return this.options.xhtml ? '
\n' : '
\n'; + }; + + Renderer.prototype.list = function(body, ordered, start) { + var type = ordered ? 'ol' : 'ul', + startatt = (ordered && start !== 1) ? (' start="' + start + '"') : ''; + return '<' + type + startatt + '>\n' + body + '\n'; + }; + + Renderer.prototype.listitem = function(text) { + return '
  • ' + text + '
  • \n'; + }; + + Renderer.prototype.checkbox = function(checked) { + return ' '; + }; + + Renderer.prototype.paragraph = function(text) { + return '

    ' + text + '

    \n'; + }; + + Renderer.prototype.table = function(header, body) { + if (body) body = '' + body + ''; + + return '\n' + + '\n' + + header + + '\n' + + body + + '
    \n'; + }; + + Renderer.prototype.tablerow = function(content) { + return '\n' + content + '\n'; + }; + + Renderer.prototype.tablecell = function(content, flags) { + var type = flags.header ? 'th' : 'td'; + var tag = flags.align + ? '<' + type + ' align="' + flags.align + '">' + : '<' + type + '>'; + return tag + content + '\n'; + }; + + // span level renderer + Renderer.prototype.strong = function(text) { + return '' + text + ''; + }; + + Renderer.prototype.em = function(text) { + return '' + text + ''; + }; + + Renderer.prototype.codespan = function(text) { + return '' + text + ''; + }; + + Renderer.prototype.br = function() { + return this.options.xhtml ? '
    ' : '
    '; + }; + + Renderer.prototype.del = function(text) { + return '' + text + ''; + }; + + Renderer.prototype.link = function(href, title, text) { + if (this.options.sanitize) { + try { + var prot = decodeURIComponent(unescape(href)) + .replace(/[^\w:]/g, '') + .toLowerCase(); + } catch (e) { + return text; + } + if (prot.indexOf('javascript:') === 0 || prot.indexOf('vbscript:') === 0 || prot.indexOf('data:') === 0) { + return text; + } } - out += '&#' + ch + ';'; - } - - return out; -}; - -/** - * Renderer - */ - -function Renderer(options) { - this.options = options || marked.defaults; -} - -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 (this.options.baseUrl && !originIndependentUrl.test(href)) { + href = resolveUrl(this.options.baseUrl, href); } - } - - if (!lang) { - return '
    '
    -      + (escaped ? code : escape(code, true))
    -      + '
    '; - } - - return '
    '
    -    + (escaped ? code : escape(code, true))
    -    + '
    \n'; -}; - -Renderer.prototype.blockquote = function(quote) { - return '
    \n' + quote + '
    \n'; -}; - -Renderer.prototype.html = function(html) { - return html; -}; - -Renderer.prototype.heading = function(text, level, raw) { - if (this.options.headerIds) { - return '' - + text - + '\n'; - } - // ignore IDs - return '' + text + '\n'; -}; - -Renderer.prototype.hr = function() { - return this.options.xhtml ? '
    \n' : '
    \n'; -}; - -Renderer.prototype.list = function(body, ordered, start) { - var type = ordered ? 'ol' : 'ul', - startatt = (ordered && start !== 1) ? (' start="' + start + '"') : ''; - return '<' + type + startatt + '>\n' + body + '\n'; -}; - -Renderer.prototype.listitem = function(text) { - return '
  • ' + text + '
  • \n'; -}; - -Renderer.prototype.checkbox = function(checked) { - return ' '; -}; - -Renderer.prototype.paragraph = function(text) { - return '

    ' + text + '

    \n'; -}; - -Renderer.prototype.table = function(header, body) { - if (body) body = '' + body + ''; - - return '\n' - + '\n' - + header - + '\n' - + body - + '
    \n'; -}; - -Renderer.prototype.tablerow = function(content) { - return '\n' + content + '\n'; -}; - -Renderer.prototype.tablecell = function(content, flags) { - var type = flags.header ? 'th' : 'td'; - var tag = flags.align - ? '<' + type + ' align="' + flags.align + '">' - : '<' + type + '>'; - return tag + content + '\n'; -}; - -// span level renderer -Renderer.prototype.strong = function(text) { - return '' + text + ''; -}; - -Renderer.prototype.em = function(text) { - return '' + text + ''; -}; - -Renderer.prototype.codespan = function(text) { - return '' + text + ''; -}; - -Renderer.prototype.br = function() { - return this.options.xhtml ? '
    ' : '
    '; -}; - -Renderer.prototype.del = function(text) { - return '' + text + ''; -}; - -Renderer.prototype.link = function(href, title, text) { - if (this.options.sanitize) { try { - var prot = decodeURIComponent(unescape(href)) - .replace(/[^\w:]/g, '') - .toLowerCase(); + href = encodeURI(href).replace(/%25/g, '%'); } catch (e) { return text; } - if (prot.indexOf('javascript:') === 0 || prot.indexOf('vbscript:') === 0 || prot.indexOf('data:') === 0) { - return text; + var out = '
    '; - return out; -}; - -Renderer.prototype.image = function(href, title, text) { - if (this.options.baseUrl && !originIndependentUrl.test(href)) { - href = resolveUrl(this.options.baseUrl, href); - } - var out = '' + text + '' : '>'; - return out; -}; - -Renderer.prototype.text = function(text) { - return text; -}; - -/** - * TextRenderer - * returns only the textual part of the token - */ - -function TextRenderer() {} - -// no need for block level renderers - -TextRenderer.prototype.strong = -TextRenderer.prototype.em = -TextRenderer.prototype.codespan = -TextRenderer.prototype.del = -TextRenderer.prototype.text = function (text) { - return text; -}; - -TextRenderer.prototype.link = -TextRenderer.prototype.image = function(href, title, text) { - return '' + text; -}; - -TextRenderer.prototype.br = function() { - return ''; -}; - -/** - * 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) { - var parser = new Parser(options); - return parser.parse(src); -}; - -/** - * Parse Loop - */ - -Parser.prototype.parse = function(src) { - this.inline = new InlineLexer(src.links, this.options); - // use an InlineLexer with a TextRenderer to extract pure text - this.inlineText = new InlineLexer( - src.links, - merge({}, this.options, {renderer: new TextRenderer()}) - ); - 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 ''; + out += '>' + text + ''; + return out; + }; + + Renderer.prototype.image = function(href, title, text) { + if (this.options.baseUrl && !originIndependentUrl.test(href)) { + href = resolveUrl(this.options.baseUrl, href); } - case 'hr': { - return this.renderer.hr(); + var out = '' + text + '' : '>'; + return out; + }; + + Renderer.prototype.text = function(text) { + return text; + }; + + /** + * TextRenderer + * returns only the textual part of the token + */ + + function TextRenderer() {} + + // no need for block level renderers + + TextRenderer.prototype.strong = + TextRenderer.prototype.em = + TextRenderer.prototype.codespan = + TextRenderer.prototype.del = + TextRenderer.prototype.text = function (text) { + return text; + }; + + TextRenderer.prototype.link = + TextRenderer.prototype.image = function(href, title, text) { + return '' + text; + }; + + TextRenderer.prototype.br = function() { + return ''; + }; + + /** + * 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) { + var parser = new Parser(options); + return parser.parse(src); + }; + + /** + * Parse Loop + */ + + Parser.prototype.parse = function(src) { + this.inline = new InlineLexer(src.links, this.options); + // use an InlineLexer with a TextRenderer to extract pure text + this.inlineText = new InlineLexer( + src.links, + merge({}, this.options, {renderer: new TextRenderer()}) + ); + this.tokens = src.reverse(); + + var out = ''; + while (this.next()) { + out += this.tok(); } - case 'code': { - return this.renderer.code(this.token.text, - this.token.lang, - this.token.escaped); + + 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; } - case 'table': { - var header = '', - body = '', - i, - row, - cell, - j; - - // header - cell = ''; - for (i = 0; i < this.token.header.length; i++) { - cell += this.renderer.tablecell( - this.inline.output(this.token.header[i]), - { header: true, align: this.token.align[i] } - ); + + return this.inline.output(body); + }; + + /** + * Parse Current Token + */ + + Parser.prototype.tok = function() { + switch (this.token.type) { + case 'space': { + return ''; } - header += this.renderer.tablerow(cell); - - for (i = 0; i < this.token.cells.length; i++) { - row = this.token.cells[i]; - + case 'hr': { + return this.renderer.hr(); + } + case 'heading': { + return this.renderer.heading( + this.inline.output(this.token.text), + this.token.depth, + unescape(this.inlineText.output(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, + j; + + // header cell = ''; - for (j = 0; j < row.length; j++) { + for (i = 0; i < this.token.header.length; i++) { cell += this.renderer.tablecell( - this.inline.output(row[j]), - { header: false, align: this.token.align[j] } + this.inline.output(this.token.header[i]), + { header: true, align: this.token.align[i] } ); } - - body += this.renderer.tablerow(cell); + 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); } - return this.renderer.table(header, body); - } - case 'blockquote_start': { - body = ''; - - while (this.next().type !== 'blockquote_end') { - body += this.tok(); + case 'blockquote_start': { + body = ''; + + while (this.next().type !== 'blockquote_end') { + body += this.tok(); + } + + return this.renderer.blockquote(body); } - - return this.renderer.blockquote(body); - } - case 'list_start': { - body = ''; - var ordered = this.token.ordered, - start = this.token.start; - - while (this.next().type !== 'list_end') { - body += this.tok(); + case 'list_start': { + body = ''; + var ordered = this.token.ordered, + start = this.token.start; + + while (this.next().type !== 'list_end') { + body += this.tok(); + } + + return this.renderer.list(body, ordered, start); } - - return this.renderer.list(body, ordered, start); - } - case 'list_item_start': { - body = ''; - var loose = this.token.loose; - - if (this.token.task) { - body += this.renderer.checkbox(this.token.checked); + case 'list_item_start': { + body = ''; + var loose = this.token.loose; + + if (this.token.task) { + body += this.renderer.checkbox(this.token.checked); + } + + while (this.next().type !== 'list_item_end') { + body += !loose && this.token.type === 'text' + ? this.parseText() + : this.tok(); + } + + return this.renderer.listitem(body); } - - while (this.next().type !== 'list_item_end') { - body += !loose && this.token.type === 'text' - ? this.parseText() - : this.tok(); + case 'html': { + // TODO parse inline content if parameter markdown=1 + return this.renderer.html(this.token.text); + } + case 'paragraph': { + return this.renderer.paragraph(this.inline.output(this.token.text)); + } + case 'text': { + return this.renderer.paragraph(this.parseText()); } - - return this.renderer.listitem(body); - } - case 'html': { - // TODO parse inline content if parameter markdown=1 - return this.renderer.html(this.token.text); - } - 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) { - if (encode) { - if (escape.escapeTest.test(html)) { - return html.replace(escape.escapeReplace, function (ch) { return escape.replacements[ch]; }); - } - } else { - if (escape.escapeTestNoEncode.test(html)) { - return html.replace(escape.escapeReplaceNoEncode, function (ch) { return escape.replacements[ch]; }); - } - } - - return html; -} - -escape.escapeTest = /[&<>"']/; -escape.escapeReplace = /[&<>"']/g; -escape.replacements = { - '&': '&', - '<': '<', - '>': '>', - '"': '"', - "'": ''' -}; - -escape.escapeTestNoEncode = /[<>"']|&(?!#?\w+;)/; -escape.escapeReplaceNoEncode = /[<>"']|&(?!#?\w+;)/g; - -function unescape(html) { - // explicitly match decimal, hex, and named HTML entities - return html.replace(/&(#(?:\d+)|(?:#x[0-9A-Fa-f]+)|(?:\w+));?/ig, 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 edit(regex, opt) { - regex = regex.source || regex; - opt = opt || ''; - return { - replace: function(name, val) { - val = val.source || val; - val = val.replace(/(^|[^\[])\^/g, '$1'); - regex = regex.replace(name, val); - return this; - }, - getRegex: function() { - return new RegExp(regex, opt); } }; -} - -function resolveUrl(base, href) { - if (!baseUrls[' ' + base]) { - // we can ignore everything in base after the last slash of its path component, - // but we might need to add _that_ - // https://tools.ietf.org/html/rfc3986#section-3 - if (/^[^:]+:\/*[^/]*$/.test(base)) { - baseUrls[' ' + base] = base + '/'; + + /** + * Helpers + */ + + function escape(html, encode) { + if (encode) { + if (escape.escapeTest.test(html)) { + return html.replace(escape.escapeReplace, function (ch) { return escape.replacements[ch]; }); + } } else { - baseUrls[' ' + base] = rtrim(base, '/', true); + if (escape.escapeTestNoEncode.test(html)) { + return html.replace(escape.escapeReplaceNoEncode, function (ch) { return escape.replacements[ch]; }); + } } + + return html; } - base = baseUrls[' ' + base]; - - if (href.slice(0, 2) === '//') { - return base.replace(/:[\s\S]*/, ':') + href; - } else if (href.charAt(0) === '/') { - return base.replace(/(:\/*[^/]*)[\s\S]*/, '$1') + href; - } else { - return base + href; + + escape.escapeTest = /[&<>"']/; + escape.escapeReplace = /[&<>"']/g; + escape.replacements = { + '&': '&', + '<': '<', + '>': '>', + '"': '"', + "'": ''' + }; + + escape.escapeTestNoEncode = /[<>"']|&(?!#?\w+;)/; + escape.escapeReplaceNoEncode = /[<>"']|&(?!#?\w+;)/g; + + function unescape(html) { + // explicitly match decimal, hex, and named HTML entities + return html.replace(/&(#(?:\d+)|(?:#x[0-9A-Fa-f]+)|(?:\w+));?/ig, function(_, n) { + n = n.toLowerCase(); + if (n === 'colon') return ':'; + if (n.charAt(0) === '#') { + return n.charAt(1) === 'x' + ? String.fromCharCode(parseInt(n.substring(2), 16)) + : String.fromCharCode(+n.substring(1)); + } + return ''; + }); } -} -var baseUrls = {}; -var originIndependentUrl = /^$|^[a-z][a-z0-9+.-]*:|^[?#]/i; - -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]; + + function edit(regex, opt) { + regex = regex.source || regex; + opt = opt || ''; + return { + replace: function(name, val) { + val = val.source || val; + val = val.replace(/(^|[^\[])\^/g, '$1'); + regex = regex.replace(name, val); + return this; + }, + getRegex: function() { + return new RegExp(regex, opt); + } + }; + } + + function resolveUrl(base, href) { + if (!baseUrls[' ' + base]) { + // we can ignore everything in base after the last slash of its path component, + // but we might need to add _that_ + // https://tools.ietf.org/html/rfc3986#section-3 + if (/^[^:]+:\/*[^/]*$/.test(base)) { + baseUrls[' ' + base] = base + '/'; + } else { + baseUrls[' ' + base] = rtrim(base, '/', true); } } + base = baseUrls[' ' + base]; + + if (href.slice(0, 2) === '//') { + return base.replace(/:[\s\S]*/, ':') + href; + } else if (href.charAt(0) === '/') { + return base.replace(/(:\/*[^/]*)[\s\S]*/, '$1') + href; + } else { + return base + href; + } } - - return obj; -} - -function splitCells(tableRow, count) { - // ensure that every cell-delimiting pipe has a space - // before it to distinguish it from an escaped pipe - var row = tableRow.replace(/\|/g, function (match, offset, str) { - var escaped = false, - curr = offset; - while (--curr >= 0 && str[curr] === '\\') escaped = !escaped; - if (escaped) { - // odd number of slashes means | is escaped - // so we leave it alone - return '|'; - } else { - // add space before unescaped | - return ' |'; + var baseUrls = {}; + var originIndependentUrl = /^$|^[a-z][a-z0-9+.-]*:|^[?#]/i; + + 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]; } - }), - cells = row.split(/ \|/), - i = 0; - - if (cells.length > count) { - cells.splice(count); - } else { - while (cells.length < count) cells.push(''); - } - - for (; i < cells.length; i++) { - // leading or trailing whitespace is ignored per the gfm spec - cells[i] = cells[i].trim().replace(/\\\|/g, '|'); - } - return cells; -} - -// Remove trailing 'c's. Equivalent to str.replace(/c*$/, ''). -// /c*$/ is vulnerable to REDOS. -// invert: Remove suffix of non-c chars instead. Default falsey. -function rtrim(str, c, invert) { - if (str.length === 0) { - return ''; + } + } + + return obj; } - - // Length of suffix matching the invert condition. - var suffLen = 0; - - // Step left until we fail to match the invert condition. - while (suffLen < str.length) { - var currChar = str.charAt(str.length - suffLen - 1); - if (currChar === c && !invert) { - suffLen++; - } else if (currChar !== c && invert) { - suffLen++; + + function splitCells(tableRow, count) { + // ensure that every cell-delimiting pipe has a space + // before it to distinguish it from an escaped pipe + var row = tableRow.replace(/\|/g, function (match, offset, str) { + var escaped = false, + curr = offset; + while (--curr >= 0 && str[curr] === '\\') escaped = !escaped; + if (escaped) { + // odd number of slashes means | is escaped + // so we leave it alone + return '|'; + } else { + // add space before unescaped | + return ' |'; + } + }), + cells = row.split(/ \|/), + i = 0; + + if (cells.length > count) { + cells.splice(count); } else { - break; + while (cells.length < count) cells.push(''); } + + for (; i < cells.length; i++) { + // leading or trailing whitespace is ignored per the gfm spec + cells[i] = cells[i].trim().replace(/\\\|/g, '|'); + } + return cells; } - - return str.substr(0, str.length - suffLen); -} - -/** - * Marked - */ - -function marked(src, opt, callback) { - // throw error in case of non string input - if (typeof src === 'undefined' || src === null) { - throw new Error('marked(): input parameter is undefined or null'); - } - if (typeof src !== 'string') { - throw new Error('marked(): input parameter is of type ' - + Object.prototype.toString.call(src) + ', string expected'); + + // Remove trailing 'c's. Equivalent to str.replace(/c*$/, ''). + // /c*$/ is vulnerable to REDOS. + // invert: Remove suffix of non-c chars instead. Default falsey. + function rtrim(str, c, invert) { + if (str.length === 0) { + return ''; + } + + // Length of suffix matching the invert condition. + var suffLen = 0; + + // Step left until we fail to match the invert condition. + while (suffLen < str.length) { + var currChar = str.charAt(str.length - suffLen - 1); + if (currChar === c && !invert) { + suffLen++; + } else if (currChar !== c && invert) { + suffLen++; + } else { + break; + } + } + + return str.substr(0, str.length - suffLen); } - - if (callback || typeof opt === 'function') { - if (!callback) { - callback = opt; - opt = null; + + /** + * Marked + */ + + function marked(src, opt, callback) { + // throw error in case of non string input + if (typeof src === 'undefined' || src === null) { + throw new Error('marked(): input parameter is undefined or 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); + if (typeof src !== 'string') { + throw new Error('marked(): input parameter is of type ' + + Object.prototype.toString.call(src) + ', string expected'); } - - pending = tokens.length; - - var done = function(err) { - if (err) { - opt.highlight = highlight; - return callback(err); + + if (callback || typeof opt === 'function') { + if (!callback) { + callback = opt; + opt = null; } - - var out; - + + opt = merge({}, marked.defaults, opt || {}); + + var highlight = opt.highlight, + tokens, + pending, + i = 0; + try { - out = Parser.parse(tokens, opt); + tokens = Lexer.lex(src, opt); } catch (e) { - err = e; + return callback(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(); + + pending = tokens.length; + + var done = function(err) { + if (err) { + opt.highlight = highlight; + return callback(err); } - return highlight(token.text, token.lang, function(err, code) { - if (err) return done(err); - if (code == null || code === token.text) { + + 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(); } - token.text = code; - token.escaped = true; - --pending || done(); - }); - })(tokens[i]); + 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; } - - 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/markedjs/marked.'; + if ((opt || marked.defaults).silent) { + return '

    An error occurred:

    '
    +          + escape(e.message + '', true)
    +          + '
    '; + } + throw e; + } + } + + /** + * Slugger + */ + function Slugger () { + this.seen = {}; } - 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/markedjs/marked.'; - if ((opt || marked.defaults).silent) { - return '

    An error occurred:

    '
    -        + escape(e.message + '', true)
    -        + '
    '; + + /** + * Generate a unique slug. + * @param {string} value String of text to slugify + */ + Slugger.prototype.slug = function (value) { + var slug = value + .toLowerCase() + .trim() + .replace(/[\u2000-\u206F\u2E00-\u2E7F\\'!"#$%&()*+,./:;<=>?@[\]^`{|}~]/g, '') + .replace(/\s/g, '-'); + + var count = this.seen.hasOwnProperty(slug) ? this.seen[slug] + 1 : 0; + this.seen[slug] = count; + + if (count > 0) { + slug = slug + '-' + count; } - throw e; + + return slug; } -} - -/** - * Options - */ - -marked.options = -marked.setOptions = function(opt) { - merge(marked.defaults, opt); - return marked; -}; -marked.getDefaults = function () { - return { - baseUrl: null, - breaks: false, - gfm: true, - headerIds: true, - headerPrefix: '', - highlight: null, - langPrefix: 'language-', - mangle: true, - pedantic: false, - renderer: new Renderer(), - sanitize: false, - sanitizer: null, - silent: false, - smartLists: false, - smartypants: false, - tables: true, - xhtml: false + /** + * Options + */ + + marked.options = + marked.setOptions = function(opt) { + merge(marked.defaults, opt); + return marked; }; -}; - -marked.defaults = marked.getDefaults(); - -/** - * Expose - */ - -marked.Parser = Parser; -marked.parser = Parser.parse; - -marked.Renderer = Renderer; -marked.TextRenderer = TextRenderer; - -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 { - root.marked = marked; -} -})(this || (typeof window !== 'undefined' ? window : global)); + + marked.getDefaults = function () { + return { + baseUrl: null, + breaks: false, + gfm: true, + headerPrefix: '', + highlight: null, + langPrefix: 'language-', + mangle: true, + pedantic: false, + renderer: new Renderer(), + sanitize: false, + sanitizer: null, + silent: false, + slugger: null, + smartLists: false, + smartypants: false, + tables: true, + xhtml: false + }; + }; + + marked.defaults = marked.getDefaults(); + + /** + * Expose + */ + + marked.Parser = Parser; + marked.parser = Parser.parse; + + marked.Renderer = Renderer; + marked.TextRenderer = TextRenderer; + + marked.Lexer = Lexer; + marked.lexer = Lexer.lex; + + marked.InlineLexer = InlineLexer; + marked.inlineLexer = InlineLexer.output; + + marked.Slugger = Slugger; + + 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 { + root.marked = marked; + } + })(this || (typeof window !== 'undefined' ? window : global)); + \ No newline at end of file