1077 lines
22 KiB
JavaScript
1077 lines
22 KiB
JavaScript
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/**
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* marked - a markdown parser
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* Copyright (c) 2011-2013, Christopher Jeffrey. (MIT Licensed)
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* https://github.com/chjj/marked
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*/
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;(function() {
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/**
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* Block-Level Grammar
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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 *(=|-){3,} *\n*/,
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blockquote: /^( *>[^\n]+(\n[^\n]+)*\n*)+/,
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list: /^( *)(bull) [\s\S]+?(?:hr|\n{2,}(?! )(?!\1bull )\n*|\s*$)/,
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html: /^ *(?:comment|closed|closing) *(?:\n{2,}|\s*$)/,
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def: /^ *\[([^\]]+)\]: *<?([^\s>]+)>?(?: +["(]([^\n]+)[")])? *(?:\n+|$)/,
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table: noop,
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paragraph: /^((?:[^\n]+\n?(?!hr|heading|lheading|blockquote|tag|def))+)\n*/,
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text: /^[^\n]+/
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};
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block.bullet = /(?:[*+-]|\d+\.)/;
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block.item = /^( *)(bull) [^\n]*(?:\n(?!\1bull )[^\n]*)*/;
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block.item = replace(block.item, 'gm')
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(/bull/g, block.bullet)
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();
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block.list = replace(block.list)
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(/bull/g, block.bullet)
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('hr', /\n+(?=(?: *[-*_]){3,} *(?:\n+|$))/)
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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+(?!:/|@)\\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,}) *(\w+)? *\n([\s\S]+?)\s*\1 *(?:\n+|$)/,
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paragraph: /^/
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});
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block.gfm.paragraph = replace(block.paragraph)
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('(?!', '(?!' + block.gfm.fences.source.replace('\\1', '\\2') + '|')
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();
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/**
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* GFM + Tables Block Grammar
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*/
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block.tables = merge({}, block.gfm, {
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nptable: /^ *(\S.*\|.*)\n *([-:]+ *\|[-| :]*)\n((?:.*\|.*(?:\n|$))*)\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) {
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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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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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// 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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// 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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// 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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// 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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// 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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// 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);
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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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this.tokens.push({
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type: 'list_start',
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ordered: isFinite(cap[2])
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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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// Get bullet.
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if (this.options.smartLists) {
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bull = block.bullet.exec(cap[0])[0];
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}
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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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// 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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// 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[1] === '.' && b[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[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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// Recurse.
|
||
|
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this.token(item, false);
|
||
|
|
|
||
|
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this.tokens.push({
|
||
|
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type: 'list_item_end'
|
||
|
|
});
|
||
|
|
}
|
||
|
|
|
||
|
|
this.tokens.push({
|
||
|
|
type: 'list_end'
|
||
|
|
});
|
||
|
|
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
|
||
|
|
// html
|
||
|
|
if (cap = this.rules.html.exec(src)) {
|
||
|
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src = src.substring(cap[0].length);
|
||
|
|
this.tokens.push({
|
||
|
|
type: this.options.sanitize
|
||
|
|
? 'paragraph'
|
||
|
|
: 'html',
|
||
|
|
pre: cap[1] === 'pre',
|
||
|
|
text: cap[0]
|
||
|
|
});
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
|
||
|
|
// def
|
||
|
|
if (top && (cap = this.rules.def.exec(src))) {
|
||
|
|
src = src.substring(cap[0].length);
|
||
|
|
this.tokens.links[cap[1].toLowerCase()] = {
|
||
|
|
href: cap[2],
|
||
|
|
title: cap[3]
|
||
|
|
};
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
|
||
|
|
// table (gfm)
|
||
|
|
if (top && (cap = this.rules.table.exec(src))) {
|
||
|
|
src = src.substring(cap[0].length);
|
||
|
|
|
||
|
|
item = {
|
||
|
|
type: 'table',
|
||
|
|
header: cap[1].replace(/^ *| *\| *$/g, '').split(/ *\| */),
|
||
|
|
align: cap[2].replace(/^ *|\| *$/g, '').split(/ *\| */),
|
||
|
|
cells: cap[3].replace(/(?: *\| *)?\n$/, '').split('\n')
|
||
|
|
};
|
||
|
|
|
||
|
|
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 (/^ *:-+ *$/.test(item.align[i])) {
|
||
|
|
item.align[i] = 'left';
|
||
|
|
} else {
|
||
|
|
item.align[i] = null;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
for (i = 0; i < item.cells.length; i++) {
|
||
|
|
item.cells[i] = item.cells[i]
|
||
|
|
.replace(/^ *\| *| *\| *$/g, '')
|
||
|
|
.split(/ *\| */);
|
||
|
|
}
|
||
|
|
|
||
|
|
this.tokens.push(item);
|
||
|
|
|
||
|
|
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][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: /^<([^ >]+(@|:\/)[^ >]+)>/,
|
||
|
|
url: noop,
|
||
|
|
tag: /^<!--[\s\S]*?-->|^<\/?\w+(?:"[^"]*"|'[^']*'|[^'">])*?>/,
|
||
|
|
link: /^!?\[(inside)\]\(href\)/,
|
||
|
|
reflink: /^!?\[(inside)\]\s*\[([^\]]*)\]/,
|
||
|
|
nolink: /^!?\[((?:\[[^\]]*\]|[^\[\]])*)\]/,
|
||
|
|
strong: /^__([\s\S]+?)__(?!_)|^\*\*([\s\S]+?)\*\*(?!\*)/,
|
||
|
|
em: /^\b_((?:__|[\s\S])+?)_\b|^\*((?:\*\*|[\s\S])+?)\*(?!\*)/,
|
||
|
|
code: /^(`+)\s*([\s\S]*?[^`])\s*\1(?!`)/,
|
||
|
|
br: /^ {2,}\n(?!\s*$)/,
|
||
|
|
del: noop,
|
||
|
|
text: /^[\s\S]+?(?=[\\<!\[_*`]| {2,}\n|$)/
|
||
|
|
};
|
||
|
|
|
||
|
|
inline._inside = /(?:\[[^\]]*\]|[^\]]|\](?=[^\[]*\]))*/;
|
||
|
|
inline._href = /\s*<?([^\s]*?)>?(?:\s+['"]([\s\S]*?)['"])?\s*/;
|
||
|
|
|
||
|
|
inline.link = replace(inline.link)
|
||
|
|
('inside', inline._inside)
|
||
|
|
('href', inline._href)
|
||
|
|
();
|
||
|
|
|
||
|
|
inline.reflink = replace(inline.reflink)
|
||
|
|
('inside', inline._inside)
|
||
|
|
();
|
||
|
|
|
||
|
|
/**
|
||
|
|
* 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)\*(?!\*)/
|
||
|
|
});
|
||
|
|
|
||
|
|
/**
|
||
|
|
* 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;
|
||
|
|
|
||
|
|
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][6] === ':'
|
||
|
|
? this.mangle(cap[1].substring(7))
|
||
|
|
: this.mangle(cap[1]);
|
||
|
|
href = this.mangle('mailto:') + text;
|
||
|
|
} else {
|
||
|
|
text = escape(cap[1]);
|
||
|
|
href = text;
|
||
|
|
}
|
||
|
|
out += '<a href="'
|
||
|
|
+ href
|
||
|
|
+ '">'
|
||
|
|
+ text
|
||
|
|
+ '</a>';
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
|
||
|
|
// url (gfm)
|
||
|
|
if (cap = this.rules.url.exec(src)) {
|
||
|
|
src = src.substring(cap[0].length);
|
||
|
|
text = escape(cap[1]);
|
||
|
|
href = text;
|
||
|
|
out += '<a href="'
|
||
|
|
+ href
|
||
|
|
+ '">'
|
||
|
|
+ text
|
||
|
|
+ '</a>';
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
|
||
|
|
// tag
|
||
|
|
if (cap = this.rules.tag.exec(src)) {
|
||
|
|
src = src.substring(cap[0].length);
|
||
|
|
out += this.options.sanitize
|
||
|
|
? escape(cap[0])
|
||
|
|
: cap[0];
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
|
||
|
|
// link
|
||
|
|
if (cap = this.rules.link.exec(src)) {
|
||
|
|
src = src.substring(cap[0].length);
|
||
|
|
out += this.outputLink(cap, {
|
||
|
|
href: cap[2],
|
||
|
|
title: cap[3]
|
||
|
|
});
|
||
|
|
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][0];
|
||
|
|
src = cap[0].substring(1) + src;
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
out += this.outputLink(cap, link);
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
|
||
|
|
// strong
|
||
|
|
if (cap = this.rules.strong.exec(src)) {
|
||
|
|
src = src.substring(cap[0].length);
|
||
|
|
out += '<strong>'
|
||
|
|
+ this.output(cap[2] || cap[1])
|
||
|
|
+ '</strong>';
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
|
||
|
|
// em
|
||
|
|
if (cap = this.rules.em.exec(src)) {
|
||
|
|
src = src.substring(cap[0].length);
|
||
|
|
out += '<em>'
|
||
|
|
+ this.output(cap[2] || cap[1])
|
||
|
|
+ '</em>';
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
|
||
|
|
// code
|
||
|
|
if (cap = this.rules.code.exec(src)) {
|
||
|
|
src = src.substring(cap[0].length);
|
||
|
|
out += '<code>'
|
||
|
|
+ escape(cap[2], true)
|
||
|
|
+ '</code>';
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
|
||
|
|
// br
|
||
|
|
if (cap = this.rules.br.exec(src)) {
|
||
|
|
src = src.substring(cap[0].length);
|
||
|
|
out += '<br>';
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
|
||
|
|
// del (gfm)
|
||
|
|
if (cap = this.rules.del.exec(src)) {
|
||
|
|
src = src.substring(cap[0].length);
|
||
|
|
out += '<del>'
|
||
|
|
+ this.output(cap[1])
|
||
|
|
+ '</del>';
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
|
||
|
|
// text
|
||
|
|
if (cap = this.rules.text.exec(src)) {
|
||
|
|
src = src.substring(cap[0].length);
|
||
|
|
out += escape(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) {
|
||
|
|
if (cap[0][0] !== '!') {
|
||
|
|
return '<a href="'
|
||
|
|
+ escape(link.href)
|
||
|
|
+ '"'
|
||
|
|
+ (link.title
|
||
|
|
? ' title="'
|
||
|
|
+ escape(link.title)
|
||
|
|
+ '"'
|
||
|
|
: '')
|
||
|
|
+ '>'
|
||
|
|
+ this.output(cap[1])
|
||
|
|
+ '</a>';
|
||
|
|
} else {
|
||
|
|
return '<img src="'
|
||
|
|
+ escape(link.href)
|
||
|
|
+ '" alt="'
|
||
|
|
+ escape(cap[1])
|
||
|
|
+ '"'
|
||
|
|
+ (link.title
|
||
|
|
? ' title="'
|
||
|
|
+ escape(link.title)
|
||
|
|
+ '"'
|
||
|
|
: '')
|
||
|
|
+ '>';
|
||
|
|
}
|
||
|
|
};
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Mangle Links
|
||
|
|
*/
|
||
|
|
|
||
|
|
InlineLexer.prototype.mangle = function(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;
|
||
|
|
};
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Parsing & Compiling
|
||
|
|
*/
|
||
|
|
|
||
|
|
function Parser(options) {
|
||
|
|
this.tokens = [];
|
||
|
|
this.token = null;
|
||
|
|
this.options = options || marked.defaults;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* 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);
|
||
|
|
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 '<hr>\n';
|
||
|
|
}
|
||
|
|
case 'heading': {
|
||
|
|
return '<h'
|
||
|
|
+ this.token.depth
|
||
|
|
+ '>'
|
||
|
|
+ this.inline.output(this.token.text)
|
||
|
|
+ '</h'
|
||
|
|
+ this.token.depth
|
||
|
|
+ '>\n';
|
||
|
|
}
|
||
|
|
case 'code': {
|
||
|
|
if (this.options.highlight) {
|
||
|
|
var code = this.options.highlight(this.token.text, this.token.lang);
|
||
|
|
if (code != null && code !== this.token.text) {
|
||
|
|
this.token.escaped = true;
|
||
|
|
this.token.text = code;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if (!this.token.escaped) {
|
||
|
|
this.token.text = escape(this.token.text, true);
|
||
|
|
}
|
||
|
|
|
||
|
|
return '<pre><code'
|
||
|
|
+ (this.token.lang
|
||
|
|
? ' class="'
|
||
|
|
+ this.options.langPrefix
|
||
|
|
+ this.token.lang
|
||
|
|
+ '"'
|
||
|
|
: '')
|
||
|
|
+ '>'
|
||
|
|
+ this.token.text
|
||
|
|
+ '</code></pre>\n';
|
||
|
|
}
|
||
|
|
case 'table': {
|
||
|
|
var body = ''
|
||
|
|
, heading
|
||
|
|
, i
|
||
|
|
, row
|
||
|
|
, cell
|
||
|
|
, j;
|
||
|
|
|
||
|
|
// header
|
||
|
|
body += '<thead>\n<tr>\n';
|
||
|
|
for (i = 0; i < this.token.header.length; i++) {
|
||
|
|
heading = this.inline.output(this.token.header[i]);
|
||
|
|
body += this.token.align[i]
|
||
|
|
? '<th align="' + this.token.align[i] + '">' + heading + '</th>\n'
|
||
|
|
: '<th>' + heading + '</th>\n';
|
||
|
|
}
|
||
|
|
body += '</tr>\n</thead>\n';
|
||
|
|
|
||
|
|
// body
|
||
|
|
body += '<tbody>\n'
|
||
|
|
for (i = 0; i < this.token.cells.length; i++) {
|
||
|
|
row = this.token.cells[i];
|
||
|
|
body += '<tr>\n';
|
||
|
|
for (j = 0; j < row.length; j++) {
|
||
|
|
cell = this.inline.output(row[j]);
|
||
|
|
body += this.token.align[j]
|
||
|
|
? '<td align="' + this.token.align[j] + '">' + cell + '</td>\n'
|
||
|
|
: '<td>' + cell + '</td>\n';
|
||
|
|
}
|
||
|
|
body += '</tr>\n';
|
||
|
|
}
|
||
|
|
body += '</tbody>\n';
|
||
|
|
|
||
|
|
return '<table>\n'
|
||
|
|
+ body
|
||
|
|
+ '</table>\n';
|
||
|
|
}
|
||
|
|
case 'blockquote_start': {
|
||
|
|
var body = '';
|
||
|
|
|
||
|
|
while (this.next().type !== 'blockquote_end') {
|
||
|
|
body += this.tok();
|
||
|
|
}
|
||
|
|
|
||
|
|
return '<blockquote>\n'
|
||
|
|
+ body
|
||
|
|
+ '</blockquote>\n';
|
||
|
|
}
|
||
|
|
case 'list_start': {
|
||
|
|
var type = this.token.ordered ? 'ol' : 'ul'
|
||
|
|
, body = '';
|
||
|
|
|
||
|
|
while (this.next().type !== 'list_end') {
|
||
|
|
body += this.tok();
|
||
|
|
}
|
||
|
|
|
||
|
|
return '<'
|
||
|
|
+ type
|
||
|
|
+ '>\n'
|
||
|
|
+ body
|
||
|
|
+ '</'
|
||
|
|
+ type
|
||
|
|
+ '>\n';
|
||
|
|
}
|
||
|
|
case 'list_item_start': {
|
||
|
|
var body = '';
|
||
|
|
|
||
|
|
while (this.next().type !== 'list_item_end') {
|
||
|
|
body += this.token.type === 'text'
|
||
|
|
? this.parseText()
|
||
|
|
: this.tok();
|
||
|
|
}
|
||
|
|
|
||
|
|
return '<li>'
|
||
|
|
+ body
|
||
|
|
+ '</li>\n';
|
||
|
|
}
|
||
|
|
case 'loose_item_start': {
|
||
|
|
var body = '';
|
||
|
|
|
||
|
|
while (this.next().type !== 'list_item_end') {
|
||
|
|
body += this.tok();
|
||
|
|
}
|
||
|
|
|
||
|
|
return '<li>'
|
||
|
|
+ body
|
||
|
|
+ '</li>\n';
|
||
|
|
}
|
||
|
|
case 'html': {
|
||
|
|
return !this.token.pre && !this.options.pedantic
|
||
|
|
? this.inline.output(this.token.text)
|
||
|
|
: this.token.text;
|
||
|
|
}
|
||
|
|
case 'paragraph': {
|
||
|
|
return '<p>'
|
||
|
|
+ this.inline.output(this.token.text)
|
||
|
|
+ '</p>\n';
|
||
|
|
}
|
||
|
|
case 'text': {
|
||
|
|
return '<p>'
|
||
|
|
+ this.parseText()
|
||
|
|
+ '</p>\n';
|
||
|
|
}
|
||
|
|
}
|
||
|
|
};
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Helpers
|
||
|
|
*/
|
||
|
|
|
||
|
|
function escape(html, encode) {
|
||
|
|
return html
|
||
|
|
.replace(!encode ? /&(?!#?\w+;)/g : /&/g, '&')
|
||
|
|
.replace(/</g, '<')
|
||
|
|
.replace(/>/g, '>')
|
||
|
|
.replace(/"/g, '"')
|
||
|
|
.replace(/'/g, ''');
|
||
|
|
}
|
||
|
|
|
||
|
|
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) {
|
||
|
|
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,
|
||
|
|
smartLists: false,
|
||
|
|
silent: false,
|
||
|
|
highlight: null,
|
||
|
|
langPrefix: 'lang-'
|
||
|
|
};
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Expose
|
||
|
|
*/
|
||
|
|
|
||
|
|
marked.Parser = Parser;
|
||
|
|
marked.parser = Parser.parse;
|
||
|
|
|
||
|
|
marked.Lexer = Lexer;
|
||
|
|
marked.lexer = Lexer.lex;
|
||
|
|
|
||
|
|
marked.InlineLexer = InlineLexer;
|
||
|
|
marked.inlineLexer = InlineLexer.output;
|
||
|
|
|
||
|
|
marked.parse = marked;
|
||
|
|
|
||
|
|
if (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);
|
||
|
|
}());
|