1405 lines
30 KiB
JavaScript
1405 lines
30 KiB
JavaScript
/**
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* marked - a markdown parser
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* Copyright (c) 2011-2014, Christopher Jeffrey. (MIT Licensed)
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* https://github.com/chjj/marked
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*/
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import 'css/marked.scss'
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/**
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* Block-Level Grammar
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*/
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class Fixer {
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constructor(exp, sign) {
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this.exp = exp
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this.sign = sign
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}
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replace(key, val) {
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if (key) {
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val = val.source || val
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val = val.replace(/(^|[^\[])\^/g, '$1')
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this.exp = this.exp.replace(key, val)
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}
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return this
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}
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done() {
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return new RegExp(this.exp, this.sign)
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}
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}
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function replace(exp, sign) {
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return new Fixer(exp.source, sign || '')
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}
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const block = {
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newline: /^\n+/,
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code: /^( {4}[^\n]+\n*)+/,
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fences: noop,
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hr: /^( *[-*_]){3,} *(?:\n+|$)/,
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heading: /^ *(#{1,6}) *([^\n]+?) *#* *(?:\n+|$)/,
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nptable: noop,
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lheading: /^([^\n]+)\n *(=|-){2,} *(?:\n+|$)/,
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blockquote: /^( *>[^\n]+(\n(?!def)[^\n]+)*\n*)+/,
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mark: /^ *;;;([\!]?) ([^\n]+)/,
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task: /^ *- *\[([ x]?)\] *([^\n]*)/,
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list: /^( *)(bull) [\s\S]+?(?:hr|def|\n{2,}(?! )(?!\1bull )\n*|\s*$)/,
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html: /^ *(?:comment *(?:\n|\s*$)|closed *(?:\n{2,}|\s*$)|closing *(?:\n{2,}|\s*$))/,
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def: /^ *\[([^\]]+)\]: *<?([^\s>]+)>?(?: +["(]([^\n]+)[")])? *(?:\n+|$)/,
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table: noop,
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paragraph: /^((?:[^\n]+\n?(?!hr|heading|lheading|blockquote|tag|def))+)\n*/,
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text: /^[^\n]+/
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}
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block.bullet = /(?:[*+-]|\d+\.)/
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block.item = /^( *)(bull) [^\n]*(?:\n(?!\1bull )[^\n]*)*/
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block.item = replace(block.item, 'gm')
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.replace(/bull/g, block.bullet)
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.done()
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block.list = replace(block.list)
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.replace(/bull/g, block.bullet)
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.replace('hr', '\\n+(?=\\1?(?:[-*_] *){3,}(?:\\n+|$))')
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.replace('def', '\\n+(?=' + block.def.source + ')')
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.done()
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block.blockquote = replace(block.blockquote)
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.replace('def', block.def)
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.done()
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block._tag =
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'(?!(?:' +
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'a|em|strong|small|s|cite|q|dfn|abbr|data|time|code' +
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'|var|samp|kbd|sub|sup|i|b|u|mark|ruby|rt|rp|bdi|bdo' +
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'|span|br|wbr|ins|del|img)\\b)\\w+(?!:/|[^\\w\\s@]*@)\\b'
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block.html = replace(block.html)
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.replace('comment', /<!--[\s\S]*?-->/)
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.replace('closed', /<(tag)[\s\S]+?<\/\1>/)
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.replace('closing', /<tag(?:"[^"]*"|'[^']*'|[^'">])*?>/)
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.replace(/tag/g, block._tag)
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.done()
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block.paragraph = replace(block.paragraph)
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.replace('hr', block.hr)
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.replace('heading', block.heading)
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.replace('lheading', block.lheading)
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.replace('blockquote', block.blockquote)
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.replace('tag', '<' + block._tag)
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.replace('def', block.def)
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.done()
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/**
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* Normal Block Grammar
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*/
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block.normal = merge({}, block)
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/**
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* GFM Block Grammar
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*/
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block.gfm = merge({}, block.normal, {
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fences: /^ *(`{3,}|~{3,})[ \.]*(\S+)? *\n([\s\S]*?)\s*\1 *(?:\n+|$)/,
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paragraph: /^/,
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heading: /^ *(#{1,6}) +([^\n]+?) *#* *(?:\n+|$)/
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})
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block.gfm.paragraph = replace(block.paragraph)
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.replace(
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'(?!',
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'(?!' +
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block.gfm.fences.source.replace('\\1', '\\2') +
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'|' +
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block.list.source.replace('\\1', '\\3') +
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'|'
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)
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.done()
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/**
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* GFM + Tables Block Grammar
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*/
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block.tables = merge({}, block.gfm, {
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nptable: /^ *(\S.*\|.*)\n *([-:]+ *\|[-| :]*)\n((?:.*\|.*(?:\n|$))*)\n*/,
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table: /^ *\|(.+)\n *\|( *[-:]+[-| :]*)\n((?: *\|.*(?:\n|$))*)\n*/
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})
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/**
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* Block Lexer
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*/
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function Lexer(options) {
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this.tokens = []
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this.tokens.links = {}
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this.options = options || marked.defaults
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this.rules = block.normal
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if (this.options.gfm) {
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if (this.options.tables) {
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this.rules = block.tables
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} else {
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this.rules = block.gfm
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}
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}
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}
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/**
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* Expose Block Rules
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*/
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Lexer.rules = block
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/**
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* Static Lex Method
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*/
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Lexer.lex = function(src, options) {
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var lexer = new Lexer(options)
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return lexer.lex(src)
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}
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/**
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* Preprocessing
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*/
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Lexer.prototype.lex = function(src) {
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src = src
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.replace(/\r\n|\r/g, '\n')
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.replace(/\t/g, ' ')
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.replace(/\u00a0/g, ' ')
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.replace(/\u2424/g, '\n')
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return this.token(src, true)
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}
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/**
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* Lexing
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*/
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Lexer.prototype.token = function(src, top, bq) {
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var src = src.replace(/^ +$/gm, ''),
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next,
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loose,
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cap,
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bull,
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b,
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item,
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space,
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i,
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l
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while (src) {
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// newline
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if ((cap = this.rules.newline.exec(src))) {
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src = src.substring(cap[0].length)
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if (cap[0].length > 1) {
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this.tokens.push({
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type: 'space'
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})
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}
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}
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// code
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if ((cap = this.rules.code.exec(src))) {
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src = src.substring(cap[0].length)
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cap = cap[0].replace(/^ {4}/gm, '')
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this.tokens.push({
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type: 'code',
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text: !this.options.pedantic ? cap.replace(/\n+$/, '') : 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, true)
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this.tokens.push({
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type: 'blockquote_end'
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})
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continue
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}
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// mark
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if ((cap = this.rules.mark.exec(src))) {
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src = src.substring(cap[0].length)
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this.tokens.push({
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type: 'mark',
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mark: cap[1] === '!',
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text: cap[2]
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})
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continue
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}
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if ((cap = this.rules.task.exec(src))) {
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src = src.substring(cap[0].length)
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this.tokens.push({
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type: 'task',
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mark: cap[1] === 'x',
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text: cap[2]
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})
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continue
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}
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// list
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if ((cap = this.rules.list.exec(src))) {
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src = src.substring(cap[0].length)
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bull = cap[2]
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this.tokens.push({
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type: 'list_start',
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ordered: bull.length > 1
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})
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// Get each top-level item.
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cap = cap[0].match(this.rules.item)
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next = false
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l = cap.length
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i = 0
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for (; i < l; i++) {
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item = cap[i]
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// 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.length > 1 && b.length > 1)) {
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src = cap.slice(i + 1).join('\n') + src
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i = l - 1
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}
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}
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// Determine whether item is loose or not.
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// Use: /(^|\n)(?! )[^\n]+\n\n(?!\s*$)/
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// for discount behavior.
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loose = next || /\n\n(?!\s*$)/.test(item)
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if (i !== l - 1) {
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next = item.charAt(item.length - 1) === '\n'
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if (!loose) loose = next
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}
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this.tokens.push({
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type: loose ? 'loose_item_start' : 'list_item_start'
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})
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// Recurse.
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this.token(item, false, bq)
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this.tokens.push({
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type: 'list_item_end'
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})
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}
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this.tokens.push({
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type: 'list_end'
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})
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continue
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}
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// html
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if ((cap = this.rules.html.exec(src))) {
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src = src.substring(cap[0].length)
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this.tokens.push({
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type: this.options.sanitize ? 'paragraph' : 'html',
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pre:
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!this.options.sanitizer &&
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(cap[1] === 'pre' || cap[1] === 'script' || cap[1] === 'style'),
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text: cap[0]
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})
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continue
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}
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// def
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if (!bq && top && (cap = this.rules.def.exec(src))) {
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src = src.substring(cap[0].length)
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this.tokens.links[cap[1].toLowerCase()] = {
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href: cap[2],
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title: cap[3]
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}
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continue
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}
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// table (gfm)
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if (top && (cap = this.rules.table.exec(src))) {
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src = src.substring(cap[0].length)
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item = {
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type: 'table',
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header: cap[1].replace(/^ *| *\| *$/g, '').split(/ *\| */),
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align: cap[2].replace(/^ *|\| *$/g, '').split(/ *\| */),
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cells: cap[3].replace(/(?: *\| *)?\n$/, '').split('\n')
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}
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for (i = 0; i < item.align.length; i++) {
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if (/^ *-+: *$/.test(item.align[i])) {
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item.align[i] = 'right'
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} else if (/^ *:-+: *$/.test(item.align[i])) {
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item.align[i] = 'center'
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} else if (/^ *:-+ *$/.test(item.align[i])) {
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item.align[i] = 'left'
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} else {
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item.align[i] = null
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}
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}
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for (i = 0; i < item.cells.length; i++) {
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item.cells[i] = item.cells[i]
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.replace(/^ *\| *| *\| *$/g, '')
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.split(/ *\| */)
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}
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this.tokens.push(item)
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continue
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}
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// top-level paragraph
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if (top && (cap = this.rules.paragraph.exec(src))) {
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src = src.substring(cap[0].length)
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this.tokens.push({
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type: 'paragraph',
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text:
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cap[1].charAt(cap[1].length - 1) === '\n'
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? cap[1].slice(0, -1)
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: cap[1]
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})
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continue
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}
|
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|
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// text
|
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if ((cap = this.rules.text.exec(src))) {
|
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// Top-level should never reach here.
|
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src = src.substring(cap[0].length)
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this.tokens.push({
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type: 'text',
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text: cap[0]
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})
|
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continue
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}
|
|
|
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if (src) {
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throw new Error('Infinite loop on byte: ' + src.charCodeAt(0))
|
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}
|
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}
|
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return this.tokens
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}
|
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|
|
/**
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|
* Inline-Level Grammar
|
|
*/
|
|
|
|
var inline = {
|
|
escape: /^\\([\\`*{}\[\]()#+\-.!_>])/,
|
|
autolink: /^<([^ >]+(@|:\/)[^ >]+)>/,
|
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url: noop,
|
|
tag: /^<!--[\s\S]*?-->|^<\/?\w+(?:"[^"]*"|'[^']*'|[^'">])*?>/,
|
|
link: /^!?\[(inside)\]\(href\)/,
|
|
reflink: /^!?\[(inside)\]\s*\[([^\]]*)\]/,
|
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nolink: /^!?\[((?:\[[^\]]*\]|[^\[\]])*)\]/,
|
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strong: /^__([\s\S]+?)__(?!_)|^\*\*([\s\S]+?)\*\*(?!\*)/,
|
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em: /^\b_((?:[^_]|__)+?)_\b|^\*((?:\*\*|[\s\S])+?)\*(?!\*)/,
|
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code: /^(`+)\s*([\s\S]*?[^`])\s*\1(?!`)/,
|
|
br: /^ {2,}\n(?!\s*$)/,
|
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del: noop,
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text: /^[\s\S]+?(?=[\\<!\[_*`]| {2,}\n|$)/
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}
|
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|
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inline._inside = /(?:\[[^\]]*\]|[^\[\]]|\](?=[^\[]*\]))*/
|
|
inline._href = /\s*<?([\s\S]*?)>?(?:\s+['"]([\s\S]*?)['"])?\s*/
|
|
|
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inline.link = replace(inline.link)
|
|
.replace('inside', inline._inside)
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.replace('href', inline._href)
|
|
.done()
|
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inline.reflink = replace(inline.reflink)
|
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.replace('inside', inline._inside)
|
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.done()
|
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|
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/**
|
|
* Normal Inline Grammar
|
|
*/
|
|
|
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inline.normal = merge({}, inline)
|
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|
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/**
|
|
* Pedantic Inline Grammar
|
|
*/
|
|
|
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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)
|
|
.replace('])', '~|])')
|
|
.done(),
|
|
url: /^(https?:\/\/[^\s<]+[^<.,:;"')\]\s])/,
|
|
del: /^~~(?=\S)([\s\S]*?\S)~~/,
|
|
text: replace(inline.text)
|
|
.replace(']|', '~]|')
|
|
.replace('|', '|https?://|')
|
|
.done()
|
|
})
|
|
|
|
/**
|
|
* GFM + Line Breaks Inline Grammar
|
|
*/
|
|
|
|
inline.breaks = merge({}, inline.gfm, {
|
|
br: replace(inline.br)
|
|
.replace('{2,}', '*')
|
|
.done(),
|
|
text: replace(inline.gfm.text)
|
|
.replace('{2,}', '*')
|
|
.done()
|
|
})
|
|
|
|
/**
|
|
* Inline Lexer & Compiler
|
|
*/
|
|
|
|
function InlineLexer(links, options) {
|
|
this.options = options || marked.defaults
|
|
this.links = links
|
|
this.rules = inline.normal
|
|
this.renderer = this.options.renderer || new Renderer()
|
|
this.renderer.options = this.options
|
|
|
|
if (!this.links) {
|
|
throw new Error('Tokens array requires a `links` property.')
|
|
}
|
|
|
|
if (this.options.gfm) {
|
|
if (this.options.breaks) {
|
|
this.rules = inline.breaks
|
|
} else {
|
|
this.rules = inline.gfm
|
|
}
|
|
} else if (this.options.pedantic) {
|
|
this.rules = inline.pedantic
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Expose Inline Rules
|
|
*/
|
|
|
|
InlineLexer.rules = inline
|
|
|
|
/**
|
|
* Static Lexing/Compiling Method
|
|
*/
|
|
|
|
InlineLexer.output = function(src, links, options) {
|
|
var inline = new InlineLexer(links, options)
|
|
return inline.output(src)
|
|
}
|
|
|
|
/**
|
|
* Lexing/Compiling
|
|
*/
|
|
|
|
InlineLexer.prototype.output = function(src) {
|
|
var out = '',
|
|
link,
|
|
text,
|
|
href,
|
|
cap
|
|
|
|
while (src) {
|
|
// escape
|
|
if ((cap = this.rules.escape.exec(src))) {
|
|
src = src.substring(cap[0].length)
|
|
out += cap[1]
|
|
continue
|
|
}
|
|
|
|
// autolink
|
|
if ((cap = this.rules.autolink.exec(src))) {
|
|
src = src.substring(cap[0].length)
|
|
if (cap[2] === '@') {
|
|
text =
|
|
cap[1].charAt(6) === ':'
|
|
? this.mangle(cap[1].substring(7))
|
|
: this.mangle(cap[1])
|
|
href = this.mangle('mailto:') + text
|
|
} else {
|
|
text = escape(cap[1])
|
|
href = text
|
|
}
|
|
out += this.renderer.link(href, null, text)
|
|
continue
|
|
}
|
|
|
|
// url (gfm)
|
|
if (!this.inLink && (cap = this.rules.url.exec(src))) {
|
|
src = src.substring(cap[0].length)
|
|
text = escape(cap[1])
|
|
href = text
|
|
out += this.renderer.link(href, null, text)
|
|
continue
|
|
}
|
|
|
|
// tag
|
|
if ((cap = this.rules.tag.exec(src))) {
|
|
if (!this.inLink && /^<a /i.test(cap[0])) {
|
|
this.inLink = true
|
|
} else if (this.inLink && /^<\/a>/i.test(cap[0])) {
|
|
this.inLink = false
|
|
}
|
|
src = src.substring(cap[0].length)
|
|
out += this.options.sanitize
|
|
? this.options.sanitizer
|
|
? this.options.sanitizer(cap[0])
|
|
: escape(cap[0])
|
|
: cap[0]
|
|
continue
|
|
}
|
|
|
|
// link
|
|
if ((cap = this.rules.link.exec(src))) {
|
|
src = src.substring(cap[0].length)
|
|
this.inLink = true
|
|
out += this.outputLink(cap, {
|
|
href: cap[2],
|
|
title: cap[3]
|
|
})
|
|
this.inLink = false
|
|
continue
|
|
}
|
|
|
|
// reflink, nolink
|
|
if (
|
|
(cap = this.rules.reflink.exec(src)) ||
|
|
(cap = this.rules.nolink.exec(src))
|
|
) {
|
|
src = src.substring(cap[0].length)
|
|
link = (cap[2] || cap[1]).replace(/\s+/g, ' ')
|
|
link = this.links[link.toLowerCase()]
|
|
if (!link || !link.href) {
|
|
out += cap[0].charAt(0)
|
|
src = cap[0].substring(1) + src
|
|
continue
|
|
}
|
|
this.inLink = true
|
|
out += this.outputLink(cap, link)
|
|
this.inLink = false
|
|
continue
|
|
}
|
|
|
|
// strong
|
|
if ((cap = this.rules.strong.exec(src))) {
|
|
src = src.substring(cap[0].length)
|
|
out += this.renderer.strong(this.output(cap[2] || cap[1]))
|
|
continue
|
|
}
|
|
|
|
// em
|
|
if ((cap = this.rules.em.exec(src))) {
|
|
src = src.substring(cap[0].length)
|
|
out += this.renderer.em(this.output(cap[2] || cap[1]))
|
|
continue
|
|
}
|
|
|
|
// code
|
|
if ((cap = this.rules.code.exec(src))) {
|
|
src = src.substring(cap[0].length)
|
|
out += this.renderer.codespan(escape(cap[2], true))
|
|
continue
|
|
}
|
|
|
|
// br
|
|
if ((cap = this.rules.br.exec(src))) {
|
|
src = src.substring(cap[0].length)
|
|
if (!/<[\/]?([a-z0-9\-])+[^>]*>/.test(src)) {
|
|
out += this.renderer.br()
|
|
}
|
|
continue
|
|
}
|
|
|
|
// del (gfm)
|
|
if ((cap = this.rules.del.exec(src))) {
|
|
src = src.substring(cap[0].length)
|
|
out += this.renderer.del(this.output(cap[1]))
|
|
continue
|
|
}
|
|
|
|
// text
|
|
if ((cap = this.rules.text.exec(src))) {
|
|
src = src.substring(cap[0].length)
|
|
out += this.renderer.text(escape(this.smartypants(cap[0])))
|
|
continue
|
|
}
|
|
|
|
if (src) {
|
|
throw new Error('Infinite loop on byte: ' + src.charCodeAt(0))
|
|
}
|
|
}
|
|
|
|
return out
|
|
}
|
|
|
|
/**
|
|
* Compile Link
|
|
*/
|
|
|
|
InlineLexer.prototype.outputLink = function(cap, link) {
|
|
var href = escape(link.href),
|
|
title = link.title ? escape(link.title) : null
|
|
|
|
return cap[0].charAt(0) !== '!'
|
|
? this.renderer.link(href, title, this.output(cap[1]))
|
|
: this.renderer.image(href, title, escape(cap[1]))
|
|
}
|
|
|
|
/**
|
|
* Smartypants Transformations
|
|
*/
|
|
|
|
InlineLexer.prototype.smartypants = function(text) {
|
|
if (!this.options.smartypants) return text
|
|
return (
|
|
text
|
|
// em-dashes
|
|
.replace(/---/g, '\u2014')
|
|
// en-dashes
|
|
.replace(/--/g, '\u2013')
|
|
// opening singles
|
|
.replace(/(^|[-\u2014/(\[{"\s])'/g, '$1\u2018')
|
|
// closing singles & apostrophes
|
|
.replace(/'/g, '\u2019')
|
|
// opening doubles
|
|
.replace(/(^|[-\u2014/(\[{\u2018\s])"/g, '$1\u201c')
|
|
// closing doubles
|
|
.replace(/"/g, '\u201d')
|
|
// ellipses
|
|
.replace(/\.{3}/g, '\u2026')
|
|
)
|
|
}
|
|
|
|
/**
|
|
* Mangle Links
|
|
*/
|
|
|
|
InlineLexer.prototype.mangle = function(text) {
|
|
if (!this.options.mangle) return text
|
|
var out = '',
|
|
l = text.length,
|
|
i = 0,
|
|
ch
|
|
|
|
for (; i < l; i++) {
|
|
ch = text.charCodeAt(i)
|
|
if (Math.random() > 0.5) {
|
|
ch = 'x' + ch.toString(16)
|
|
}
|
|
out += '&#' + ch + ';'
|
|
}
|
|
|
|
return out
|
|
}
|
|
|
|
/**
|
|
* Renderer
|
|
*/
|
|
|
|
function Renderer(options) {
|
|
this.options = options || {}
|
|
}
|
|
|
|
Renderer.prototype.code = function(code, lang, escaped) {
|
|
code = code
|
|
.replace(/<script([^&]*?)>/g, '<script$1>')
|
|
.replace(/<\/script>/g, '</script>')
|
|
if (this.options.highlight) {
|
|
var out = this.options.highlight(code, lang)
|
|
if (out != null && out !== code) {
|
|
escaped = true
|
|
code = out
|
|
}
|
|
}
|
|
|
|
//转义特殊字符
|
|
code = escaped ? code : escape(code, true)
|
|
lang = this.options.langPrefix + escape(lang, true)
|
|
|
|
var codes = code.split('\n'),
|
|
ln = codes.length,
|
|
idx = 0,
|
|
output = '',
|
|
multiCom = false
|
|
|
|
while (idx++ < ln) {
|
|
//处理多行注释
|
|
if (!multiCom) {
|
|
if (
|
|
/^\s*?<span class="token comment"/.test(codes[idx - 1]) &&
|
|
!/<\/span>$/.test(codes[idx - 1])
|
|
) {
|
|
multiCom = true
|
|
codes[idx - 1] += '</span>'
|
|
}
|
|
} else {
|
|
if (!/<\/span>$/.test(codes[idx - 1])) {
|
|
codes[idx - 1] =
|
|
'<span class="token comment">' + codes[idx - 1] + '</span>'
|
|
} else {
|
|
codes[idx - 1] = '<span class="token comment">' + codes[idx - 1]
|
|
multiCom = false
|
|
}
|
|
}
|
|
|
|
output += '<code class="lang ' + lang + '">' + codes[idx - 1] + '\n</code>' //加\n为了避免空行时无法显示
|
|
}
|
|
|
|
return '<pre skip class="do-ui-blockcode">' + output + '</pre>'
|
|
}
|
|
|
|
Renderer.prototype.blockquote = function(quote) {
|
|
return '<blockquote class="md-quote">\n' + quote + '</blockquote>\n'
|
|
}
|
|
Renderer.prototype.mark = function(mark, t) {
|
|
return `<section>
|
|
<mark class="${t ? 'md-warn' : 'md-mark'}">
|
|
<i class="do-icon-${t ? 'warn' : 'unmute'}"></i>
|
|
${mark}
|
|
</mark>
|
|
</section>
|
|
`
|
|
}
|
|
|
|
Renderer.prototype.task = function(task, t) {
|
|
return `<section>
|
|
<label class="md-task ${t ? 'done' : ''}">
|
|
<span class="md-task__box">
|
|
${t ? '<i class="do-icon-get"></i>' : ''}
|
|
</span>
|
|
<span class="md-task__text">${task}</span>
|
|
</label>
|
|
</section>
|
|
`
|
|
}
|
|
|
|
Renderer.prototype.html = function(html) {
|
|
html = html.replace(/<br>/g, '')
|
|
return html
|
|
}
|
|
|
|
Renderer.prototype.heading = function(text, level, raw) {
|
|
raw = text.replace(/<[^>]+>|<\/[^>]+>/g, '')
|
|
return `
|
|
<h${level} class="md-head" id="${raw}">
|
|
<span><a href="#${raw}" class="do-icon-link"></a>${text}</span>
|
|
</h${level}>
|
|
`
|
|
}
|
|
|
|
Renderer.prototype.hr = function() {
|
|
return '<hr>'
|
|
}
|
|
|
|
Renderer.prototype.list = function(body, ordered) {
|
|
var type = ordered ? 'ol' : 'ul'
|
|
return '<' + type + '>\n' + body + '</' + type + '>\n'
|
|
}
|
|
|
|
Renderer.prototype.listitem = function(text) {
|
|
return '<li>' + text + '</li>'
|
|
}
|
|
|
|
Renderer.prototype.paragraph = function(text) {
|
|
return '<p>' + text + '</p>'
|
|
}
|
|
|
|
Renderer.prototype.table = function(header, body) {
|
|
return (
|
|
'<table>' +
|
|
'<thead>' +
|
|
header +
|
|
'</thead>' +
|
|
'<tbody>' +
|
|
body +
|
|
'</tbody>' +
|
|
'</table>'
|
|
)
|
|
}
|
|
|
|
Renderer.prototype.tablerow = function(content) {
|
|
return '<tr>' + content + '</tr>'
|
|
}
|
|
|
|
Renderer.prototype.tablecell = function(content, flags) {
|
|
var type = flags.header ? 'th' : 'td'
|
|
var tag = flags.align
|
|
? '<' + type + ' style="text-align:' + flags.align + '">'
|
|
: '<' + type + '>'
|
|
return tag + content + '</' + type + '>'
|
|
}
|
|
|
|
// span level renderer
|
|
Renderer.prototype.strong = function(text) {
|
|
return '<strong>' + text + '</strong>'
|
|
}
|
|
|
|
Renderer.prototype.em = function(text) {
|
|
return '<em>' + text + '</em>'
|
|
}
|
|
|
|
Renderer.prototype.codespan = function(txt) {
|
|
txt = txt.replace(/&/g, '&')
|
|
return '<code skip class="do-ui-inlinecode">' + txt + '</code>'
|
|
}
|
|
|
|
Renderer.prototype.br = function() {
|
|
return '<br>'
|
|
}
|
|
|
|
Renderer.prototype.del = function(text) {
|
|
return '<del>' + text + '</del>'
|
|
}
|
|
|
|
Renderer.prototype.link = function(href, attr, text) {
|
|
if (this.options.sanitize) {
|
|
try {
|
|
var prot = decodeURIComponent(unescape(href))
|
|
.replace(/[^\w:]/g, '')
|
|
.toLowerCase()
|
|
} catch (e) {
|
|
return ''
|
|
}
|
|
if (
|
|
prot.indexOf('javascript:') === 0 ||
|
|
prot.indexOf('vbscript:') === 0 ||
|
|
prot.indexOf('data:') === 0
|
|
) {
|
|
return ''
|
|
}
|
|
}
|
|
var out = '<a href="' + href + '" '
|
|
if (attr) {
|
|
attr = attr.split(';').map(function(it) {
|
|
var tmp = it.split('=')
|
|
if (tmp.length > 1) {
|
|
return tmp[0] + '="' + tmp[1] + '"'
|
|
} else {
|
|
return 'title="' + tmp[0] + '"'
|
|
}
|
|
})
|
|
out += attr.join(' ')
|
|
}
|
|
out += '>' + text + '</a>'
|
|
|
|
return out
|
|
}
|
|
|
|
Renderer.prototype.image = function(href, title, text) {
|
|
var out = '<img src="' + href + '" alt="' + text + '"'
|
|
if (title) {
|
|
out += ' title="' + title + '"'
|
|
}
|
|
out += '>'
|
|
return out
|
|
}
|
|
|
|
Renderer.prototype.text = function(text) {
|
|
return text
|
|
}
|
|
|
|
/**
|
|
* Parsing & Compiling
|
|
*/
|
|
|
|
function Parser(options) {
|
|
this.tokens = []
|
|
this.token = null
|
|
this.options = options || marked.defaults
|
|
this.options.renderer = this.options.renderer || new Renderer()
|
|
this.renderer = this.options.renderer
|
|
this.renderer.options = this.options
|
|
}
|
|
|
|
/**
|
|
* Static Parse Method
|
|
*/
|
|
|
|
Parser.parse = function(src, options, renderer) {
|
|
var parser = new Parser(options, renderer)
|
|
return parser.parse(src)
|
|
}
|
|
|
|
/**
|
|
* Parse Loop
|
|
*/
|
|
|
|
Parser.prototype.parse = function(src) {
|
|
this.inline = new InlineLexer(src.links, this.options, this.renderer)
|
|
this.tokens = src.reverse()
|
|
|
|
var out = ''
|
|
while (this.next()) {
|
|
out += this.tok()
|
|
}
|
|
|
|
return out
|
|
}
|
|
|
|
/**
|
|
* Next Token
|
|
*/
|
|
|
|
Parser.prototype.next = function() {
|
|
return (this.token = this.tokens.pop())
|
|
}
|
|
|
|
/**
|
|
* Preview Next Token
|
|
*/
|
|
|
|
Parser.prototype.peek = function() {
|
|
return this.tokens[this.tokens.length - 1] || 0
|
|
}
|
|
|
|
/**
|
|
* Parse Text Tokens
|
|
*/
|
|
|
|
Parser.prototype.parseText = function() {
|
|
var body = this.token.text
|
|
|
|
while (this.peek().type === 'text') {
|
|
body += '\n' + this.next().text
|
|
}
|
|
|
|
return this.inline.output(body)
|
|
}
|
|
|
|
/**
|
|
* Parse Current Token
|
|
*/
|
|
|
|
Parser.prototype.tok = function() {
|
|
switch (this.token.type) {
|
|
case 'space': {
|
|
return ''
|
|
}
|
|
case 'hr': {
|
|
return this.renderer.hr()
|
|
}
|
|
case 'heading': {
|
|
return this.renderer.heading(
|
|
this.inline.output(this.token.text),
|
|
this.token.depth,
|
|
this.token.text
|
|
)
|
|
}
|
|
case 'code': {
|
|
return this.renderer.code(
|
|
this.token.text,
|
|
this.token.lang || 'other',
|
|
this.token.escaped
|
|
)
|
|
}
|
|
case 'table': {
|
|
var header = '',
|
|
body = '',
|
|
i,
|
|
row,
|
|
cell,
|
|
flags,
|
|
j
|
|
|
|
// header
|
|
cell = ''
|
|
for (i = 0; i < this.token.header.length; i++) {
|
|
flags = { header: true, align: this.token.align[i] }
|
|
cell += this.renderer.tablecell(
|
|
this.inline.output(this.token.header[i]),
|
|
{ header: true, align: this.token.align[i] }
|
|
)
|
|
}
|
|
header += this.renderer.tablerow(cell)
|
|
|
|
for (i = 0; i < this.token.cells.length; i++) {
|
|
row = this.token.cells[i]
|
|
|
|
cell = ''
|
|
for (j = 0; j < row.length; j++) {
|
|
cell += this.renderer.tablecell(this.inline.output(row[j]), {
|
|
header: false,
|
|
align: this.token.align[j]
|
|
})
|
|
}
|
|
|
|
body += this.renderer.tablerow(cell)
|
|
}
|
|
return this.renderer.table(header, body)
|
|
}
|
|
case 'blockquote_start': {
|
|
var body = ''
|
|
|
|
while (this.next().type !== 'blockquote_end') {
|
|
body += this.tok()
|
|
}
|
|
|
|
return this.renderer.blockquote(body)
|
|
}
|
|
case 'mark': {
|
|
return this.renderer.mark(this.token.text, this.token.mark)
|
|
}
|
|
case 'task': {
|
|
return this.renderer.task(this.token.text, this.token.mark)
|
|
}
|
|
case 'list_start': {
|
|
var body = '',
|
|
ordered = this.token.ordered
|
|
|
|
while (this.next().type !== 'list_end') {
|
|
body += this.tok()
|
|
}
|
|
|
|
return this.renderer.list(body, ordered)
|
|
}
|
|
case 'list_item_start': {
|
|
var body = ''
|
|
|
|
while (this.next().type !== 'list_item_end') {
|
|
body += this.token.type === 'text' ? this.parseText() : this.tok()
|
|
}
|
|
|
|
return this.renderer.listitem(body)
|
|
}
|
|
case 'loose_item_start': {
|
|
var body = ''
|
|
|
|
while (this.next().type !== 'list_item_end') {
|
|
body += this.tok()
|
|
}
|
|
|
|
return this.renderer.listitem(body)
|
|
}
|
|
case 'html': {
|
|
var html =
|
|
!this.token.pre && !this.options.pedantic
|
|
? this.inline.output(this.token.text)
|
|
: this.token.text
|
|
return this.renderer.html(html)
|
|
}
|
|
case 'paragraph': {
|
|
return this.renderer.paragraph(this.inline.output(this.token.text))
|
|
}
|
|
case 'text': {
|
|
return this.renderer.paragraph(this.parseText())
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Helpers
|
|
*/
|
|
|
|
function escape(html, encode) {
|
|
return html
|
|
.replace(!encode ? /&(?!#?\w+;)/g : /&/g, '&')
|
|
.replace(/</g, '<')
|
|
.replace(/>/g, '>')
|
|
.replace(/"/g, '"')
|
|
.replace(/'/g, ''')
|
|
}
|
|
|
|
function unescape(html) {
|
|
// explicitly match decimal, hex, and named HTML entities
|
|
return html.replace(/&(#(?:\d+)|(?:#x[0-9A-Fa-f]+)|(?:\w+));?/g, function(
|
|
_,
|
|
n
|
|
) {
|
|
n = n.toLowerCase()
|
|
if (n === 'colon') return ':'
|
|
if (n.charAt(0) === '#') {
|
|
return n.charAt(1) === 'x'
|
|
? String.fromCharCode(parseInt(n.substring(2), 16))
|
|
: String.fromCharCode(+n.substring(1))
|
|
}
|
|
return ''
|
|
})
|
|
}
|
|
|
|
function noop() {}
|
|
noop.exec = noop
|
|
|
|
function merge(obj) {
|
|
var i = 1,
|
|
target,
|
|
key
|
|
|
|
for (; i < arguments.length; i++) {
|
|
target = arguments[i]
|
|
for (key in target) {
|
|
if (Object.prototype.hasOwnProperty.call(target, key)) {
|
|
obj[key] = target[key]
|
|
}
|
|
}
|
|
}
|
|
|
|
return obj
|
|
}
|
|
|
|
/**
|
|
* Marked
|
|
*/
|
|
|
|
function marked(src, opt, callback) {
|
|
if (callback || typeof opt === 'function') {
|
|
if (!callback) {
|
|
callback = opt
|
|
opt = null
|
|
}
|
|
|
|
opt = merge({}, marked.defaults, opt || {})
|
|
|
|
var highlight = opt.highlight,
|
|
tokens,
|
|
pending,
|
|
i = 0
|
|
|
|
try {
|
|
tokens = Lexer.lex(src, opt)
|
|
} catch (e) {
|
|
return callback(e)
|
|
}
|
|
|
|
pending = tokens.length
|
|
|
|
var done = function(err) {
|
|
if (err) {
|
|
opt.highlight = highlight
|
|
return callback(err)
|
|
}
|
|
|
|
var out
|
|
|
|
try {
|
|
out = Parser.parse(tokens, opt)
|
|
} catch (e) {
|
|
err = e
|
|
}
|
|
|
|
opt.highlight = highlight
|
|
|
|
return err ? callback(err) : callback(null, out)
|
|
}
|
|
|
|
if (!highlight || highlight.length < 3) {
|
|
return done()
|
|
}
|
|
|
|
delete opt.highlight
|
|
|
|
if (!pending) return done()
|
|
|
|
for (; i < tokens.length; i++) {
|
|
;(function(token) {
|
|
if (token.type !== 'code') {
|
|
return --pending || done()
|
|
}
|
|
return highlight(token.text, token.lang, function(err, code) {
|
|
if (err) return done(err)
|
|
if (code == null || code === token.text) {
|
|
return --pending || done()
|
|
}
|
|
token.text = code
|
|
token.escaped = true
|
|
--pending || done()
|
|
})
|
|
})(tokens[i])
|
|
}
|
|
|
|
return
|
|
}
|
|
try {
|
|
if (opt) opt = merge({}, marked.defaults, opt)
|
|
return Parser.parse(Lexer.lex(src, opt), opt)
|
|
} catch (e) {
|
|
e.message += '\nPlease report this to https://github.com/chjj/marked.'
|
|
if ((opt || marked.defaults).silent) {
|
|
return (
|
|
'<p>An error occured:</p><pre>' +
|
|
escape(e.message + '', true) +
|
|
'</pre>'
|
|
)
|
|
}
|
|
throw e
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Options
|
|
*/
|
|
|
|
marked.options = marked.setOptions = function(opt) {
|
|
merge(marked.defaults, opt)
|
|
return marked
|
|
}
|
|
if (window.Anot) {
|
|
Anot.ui.marked = '1.0.0'
|
|
}
|
|
|
|
marked.defaults = {
|
|
gfm: true,
|
|
tables: true,
|
|
breaks: true,
|
|
pedantic: false,
|
|
sanitize: false,
|
|
sanitizer: null,
|
|
mangle: true,
|
|
smartLists: false,
|
|
silent: false,
|
|
highlight: null,
|
|
langPrefix: 'lang-',
|
|
smartypants: false,
|
|
renderer: new Renderer()
|
|
}
|
|
|
|
/**
|
|
* Expose
|
|
*/
|
|
|
|
marked.Parser = Parser
|
|
marked.parser = Parser.parse
|
|
|
|
marked.Renderer = Renderer
|
|
|
|
marked.Lexer = Lexer
|
|
marked.lexer = Lexer.lex
|
|
|
|
marked.InlineLexer = InlineLexer
|
|
marked.inlineLexer = InlineLexer.output
|
|
|
|
marked.parse = marked
|
|
|
|
marked.safe = function(txt) {
|
|
txt = txt
|
|
.trim()
|
|
.replace(/<script([^>]*?)>/g, '<script$1>')
|
|
.replace(/<\/script>/g, '</script>')
|
|
return marked(txt)
|
|
}
|
|
|
|
window.marked = marked
|
|
|
|
export default marked
|
JavaScript
95.2%
CSS
4.8%