From 39fcd8d5137efd97a0f7180f0c2e3c8f635117a3 Mon Sep 17 00:00:00 2001 From: joyqi Date: Sun, 8 Aug 2021 12:47:16 +0800 Subject: [PATCH] update hyperdown --- admin/src/js/hyperdown.js | 2264 ++++++++++++++++++------------------- var/HyperDown.php | 20 +- 2 files changed, 1100 insertions(+), 1184 deletions(-) diff --git a/admin/src/js/hyperdown.js b/admin/src/js/hyperdown.js index 3fe62e9e..0bcfe764 100644 --- a/admin/src/js/hyperdown.js +++ b/admin/src/js/hyperdown.js @@ -1,11 +1,1095 @@ -// Generated by CoffeeScript 1.12.7 +// Generated by CoffeeScript 2.5.1 (function() { - var Parser, - slice = [].slice; + var Parser; Parser = (function() { var array_keys, array_values, htmlspecialchars, preg_quote, str_replace, trim, ucfirst; + class Parser { + + // end php function wrappers + constructor() { + this.commonWhiteList = 'kbd|b|i|strong|em|sup|sub|br|code|del|a|hr|small'; + this.blockHtmlTags = 'p|div|h[1-6]|blockquote|pre|table|dl|ol|ul|address|form|fieldset|iframe|hr|legend|article|section|nav|aside|hgroup|header|footer|figcaption|svg|script|noscript'; + this.specialWhiteList = { + table: 'table|tbody|thead|tfoot|tr|td|th' + }; + this.hooks = {}; + this.html = false; + this.line = false; + this.blockParsers = [['code', 10], ['shtml', 20], ['pre', 30], ['ahtml', 40], ['shr', 50], ['list', 60], ['math', 70], ['html', 80], ['footnote', 90], ['definition', 100], ['quote', 110], ['table', 120], ['sh', 130], ['mh', 140], ['dhr', 150], ['default', 9999]]; + this.parsers = {}; + } + + + // parse markdown text + makeHtml(text) { + var html, j, len, name, parser, ref; + this.footnotes = []; + this.definitions = {}; + this.holders = {}; + this.uniqid = (Math.ceil(Math.random() * 10000000)) + (Math.ceil(Math.random() * 10000000)); + this.id = 0; + this.blockParsers.sort(function(a, b) { + if (a[1] < b[1]) { + return -1; + } else { + return 1; + } + }); + ref = this.blockParsers; + for (j = 0, len = ref.length; j < len; j++) { + parser = ref[j]; + [name] = parser; + if (parser[2] !== void 0) { + this.parsers[name] = parser[2]; + } else { + this.parsers[name] = this['parseBlock' + (ucfirst(name))].bind(this); + } + } + text = this.initText(text); + html = this.parse(text); + html = this.makeFootnotes(html); + html = this.optimizeLines(html); + return this.call('makeHtml', html); + } + + enableHtml(html1 = true) { + this.html = html1; + } + + enableLine(line1 = true) { + this.line = line1; + } + + hook(type, cb) { + if (this.hooks[type] == null) { + this.hooks[type] = []; + } + return this.hooks[type].push(cb); + } + + makeHolder(str) { + var key; + key = "|\r" + this.uniqid + this.id + "\r|"; + this.id += 1; + this.holders[key] = str; + return key; + } + + // clear all special chars + initText(text) { + return text.replace(/\t/g, ' ').replace(/\r/g, '').replace(/(\u000A|\u000D|\u2028|\u2029)/g, "\n"); + } + + makeFootnotes(html) { + var index, val; + if (this.footnotes.length > 0) { + html += '
    '; + index = 1; + while (val = this.footnotes.shift()) { + if (typeof val === 'string') { + val += ` ↩`; + } else { + val[val.length - 1] += ` ↩`; + val = val.length > 1 ? this.parse(val.join("\n")) : this.parseInline(val[0]); + } + html += `
  1. ${val}
    2. `; + index += 1; + } + html += '
'; + } + return html; + } + + // parse text + parse(text, inline = false, offset = 0) { + var block, blocks, end, extract, html, j, len, lines, method, result, start, type, value; + lines = []; // array ref + blocks = this.parseBlock(text, lines); + html = ''; + // inline mode for single normal block + if (inline && blocks.length === 1 && blocks[0][0] === 'normal') { + blocks[0][3] = true; + } + for (j = 0, len = blocks.length; j < len; j++) { + block = blocks[j]; + [type, start, end, value] = block; + extract = lines.slice(start, end + 1); + method = 'parse' + ucfirst(type); + extract = this.call('before' + ucfirst(method), extract, value); + result = this[method](extract, value, start + offset, end + offset); + result = this.call('after' + ucfirst(method), result, value); + html += result; + } + return html; + } + + // call hook + call(type, ...args) { + var callback, j, len, ref, value; + [value] = args; + if (this.hooks[type] == null) { + return value; + } + ref = this.hooks[type]; + for (j = 0, len = ref.length; j < len; j++) { + callback = ref[j]; + value = callback.apply(this, args); + args[0] = value; + } + return value; + } + + // release holder + releaseHolder(text, clearHolders = true) { + var deep; + deep = 0; + while ((text.indexOf("\r")) >= 0 && deep < 10) { + text = str_replace(array_keys(this.holders), array_values(this.holders), text); + deep += 1; + } + if (clearHolders) { + this.holders = {}; + } + return text; + } + + // mark line + markLine(start, end = -1) { + if (this.line) { + end = end < 0 ? start : end; + return ''; + } + return ''; + } + + + // mark lines + markLines(lines, start) { + var i; + i = -1; + if (this.line) { + return lines.map((line) => { + i += 1; + return (this.markLine(start + i)) + line; + }); + } else { + return lines; + } + } + + // optimize lines + optimizeLines(html) { + var last, regex; + last = 0; + regex = new RegExp(`class=\"line\" data\\-start=\"([0-9]+)\" data\\-end=\"([0-9]+)\" (data\\-id=\"${this.uniqid}\")`, 'g'); + if (this.line) { + return html.replace(regex, function(...matches) { + var replace; + if (last !== parseInt(matches[1])) { + replace = 'class="line" data-start="' + last + '" data-start-original="' + matches[1] + '" data-end="' + matches[2] + '" ' + matches[3]; + } else { + replace = matches[0]; + } + last = 1 + parseInt(matches[2]); + return replace; + }); + } else { + return html; + } + } + + // parse inline + parseInline(text, whiteList = '', clearHolders = true, enableAutoLink = true) { + text = this.call('beforeParseInline', text); + + // code + text = text.replace(/(^|[^\\])(`+)(.+?)\2/mg, (...matches) => { + return matches[1] + this.makeHolder('' + (htmlspecialchars(matches[3])) + ''); + }); + + // mathjax + text = text.replace(/(^|[^\\])(\$+)(.+?)\2/mg, (...matches) => { + return matches[1] + this.makeHolder(matches[2] + (htmlspecialchars(matches[3])) + matches[2]); + }); + // escape + text = text.replace(/\\(.)/g, (...matches) => { + var escaped, prefix; + prefix = matches[1].match(/^[-\[\]\/\{\}\(\)\*\+\?\.\\\^\$\|]$/) ? '' : '\\'; + escaped = htmlspecialchars(matches[1]); + escaped = escaped.replace(/\$/g, '$'); + return this.makeHolder(prefix + escaped); + }); + + // link + text = text.replace(/<(https?:\/\/.+|(?:mailto:)?[_a-z0-9-\.\+]+@[_\w-]+(?:\.[a-z]{2,})+)>/ig, (...matches) => { + var link, url; + url = this.cleanUrl(matches[1]); + link = this.call('parseLink', url); + return this.makeHolder(`${link}`); + }); + // encode unsafe tags + text = text.replace(/<(\/?)([a-z0-9-]+)(\s+[^>]*)?>/ig, (...matches) => { + if (this.html || (('|' + this.commonWhiteList + '|' + whiteList + '|').indexOf('|' + matches[2].toLowerCase() + '|')) >= 0) { + return this.makeHolder(matches[0]); + } else { + return this.makeHolder(htmlspecialchars(matches[0])); + } + }); + if (this.html) { + text = text.replace(//g, (...matches) => { + return this.makeHolder(matches[0]); + }); + } + text = str_replace(['<', '>'], ['<', '>'], text); + // footnote + text = text.replace(/\[\^((?:[^\]]|\\\]|\\\[)+?)\]/g, (...matches) => { + var id; + id = this.footnotes.indexOf(matches[1]); + if (id < 0) { + id = this.footnotes.length + 1; + this.footnotes.push(this.parseInline(matches[1], '', false)); + } + return this.makeHolder(`${id}`); + }); + // image + text = text.replace(/!\[((?:[^\]]|\\\]|\\\[)*?)\]\(((?:[^\)]|\\\)|\\\()+?)\)/g, (...matches) => { + var escaped, title, url; + escaped = htmlspecialchars(this.escapeBracket(matches[1])); + url = this.escapeBracket(matches[2]); + [url, title] = this.cleanUrl(url, true); + title = title == null ? escaped : ` title=\"${title}\"`; + return this.makeHolder(`\"${title}\"`); + }); + text = text.replace(/!\[((?:[^\]]|\\\]|\\\[)*?)\]\[((?:[^\]]|\\\]|\\\[)+?)\]/g, (...matches) => { + var escaped, result; + escaped = htmlspecialchars(this.escapeBracket(matches[1])); + result = this.definitions[matches[2]] != null ? `\"${escaped}\"` : escaped; + return this.makeHolder(result); + }); + // link + text = text.replace(/\[((?:[^\]]|\\\]|\\\[)+?)\]\(((?:[^\)]|\\\)|\\\()+?)\)/g, (...matches) => { + var escaped, title, url; + escaped = this.parseInline(this.escapeBracket(matches[1]), '', false, false); + url = this.escapeBracket(matches[2]); + [url, title] = this.cleanUrl(url, true); + title = title == null ? '' : ` title=\"${title}\"`; + return this.makeHolder(`${escaped}`); + }); + text = text.replace(/\[((?:[^\]]|\\\]|\\\[)+?)\]\[((?:[^\]]|\\\]|\\\[)+?)\]/g, (...matches) => { + var escaped, result; + escaped = this.parseInline(this.escapeBracket(matches[1]), '', false, false); + result = this.definitions[matches[2]] != null ? `${escaped}` : escaped; + return this.makeHolder(result); + }); + // strong and em and some fuck + text = this.parseInlineCallback(text); + // autolink url + if (enableAutoLink) { + text = text.replace(/(^|[^\"])(https?:\/\/(www\.)?[-a-zA-Z0-9@:%._\+~#=]{1,256}\b([-a-zA-Z0-9()@:%_\+.~#?&\/=]*)|(?:mailto:)?[_a-z0-9-\.\+]+@[_\w-]+(?:\.[a-z]{2,})+)($|[^\"])/g, (...matches) => { + var link, url; + url = this.cleanUrl(matches[2]); + link = this.call('parseLink', matches[2]); + return `${matches[1]}${link}${matches[5]}`; + }); + } + text = this.call('afterParseInlineBeforeRelease', text); + text = this.releaseHolder(text, clearHolders); + text = this.call('afterParseInline', text); + return text; + } + + parseInlineCallback(text) { + text = text.replace(/(\*{3})((?:.|\r)+?)\1/mg, (...matches) => { + return '' + (this.parseInlineCallback(matches[2])) + ''; + }); + text = text.replace(/(\*{2})((?:.|\r)+?)\1/mg, (...matches) => { + return '' + (this.parseInlineCallback(matches[2])) + ''; + }); + text = text.replace(/(\*)((?:.|\r)+?)\1/mg, (...matches) => { + return '' + (this.parseInlineCallback(matches[2])) + ''; + }); + text = text.replace(/(\s+|^)(_{3})((?:.|\r)+?)\2(\s+|$)/mg, (...matches) => { + return matches[1] + '' + (this.parseInlineCallback(matches[3])) + '' + matches[4]; + }); + text = text.replace(/(\s+|^)(_{2})((?:.|\r)+?)\2(\s+|$)/mg, (...matches) => { + return matches[1] + '' + (this.parseInlineCallback(matches[3])) + '' + matches[4]; + }); + text = text.replace(/(\s+|^)(_)((?:.|\r)+?)\2(\s+|$)/mg, (...matches) => { + return matches[1] + '' + (this.parseInlineCallback(matches[3])) + '' + matches[4]; + }); + text = text.replace(/(~{2})((?:.|\r)+?)\1/mg, (...matches) => { + return '' + (this.parseInlineCallback(matches[2])) + ''; + }); + return text; + } + + // parse block + parseBlock(text, lines) { + var block, j, key, l, len, len1, line, name, parser, pass, ref, ref1, state; + ref = text.split("\n"); + for (j = 0, len = ref.length; j < len; j++) { + line = ref[j]; + lines.push(line); + } + this.blocks = []; + this.current = 'normal'; + this.pos = -1; + state = { + special: (array_keys(this.specialWhiteList)).join('|'), + empty: 0, + html: false + }; + for (key = l = 0, len1 = lines.length; l < len1; key = ++l) { + line = lines[key]; + block = this.getBlock(); + if (block != null) { + block = block.slice(0); + } + if (this.current !== 'normal') { + pass = this.parsers[this.current](block, key, line, state, lines); + if (!pass) { + continue; + } + } + ref1 = this.parsers; + for (name in ref1) { + parser = ref1[name]; + if (name !== this.current) { + pass = parser(block, key, line, state, lines); + if (!pass) { + break; + } + } + } + } + return this.optimizeBlocks(this.blocks, lines); + } + + parseBlockList(block, key, line, state) { + var matches, space, tab, type; + // list + if ((this.isBlock('list')) && !line.match(/^\s*\[((?:[^\]]|\\\]|\\\[)+?)\]:\s*(.+)$/)) { + if (!!(line.match(/^(\s*)(~{3,}|`{3,})([^`~]*)$/i))) { + // ignore code + return true; + } else if ((state.empty <= 1) && !!(matches = line.match(/^(\s*)\S+/)) && matches[1].length >= (block[3][0] + state.empty)) { + state.empty = 0; + this.setBlock(key); + return false; + } else if ((line.match(/^\s*$/)) && state.empty === 0) { + state.empty += 1; + this.setBlock(key); + return false; + } + } + if (!!(matches = line.match(/^(\s*)((?:[0-9]+\.)|\-|\+|\*)\s+/i))) { + space = matches[1].length; + tab = matches[0].length - space; + state.empty = 0; + type = 0 <= '+-*'.indexOf(matches[2]) ? 'ul' : 'ol'; + // opened + if (this.isBlock('list')) { + if (space < block[3][0] || (space === block[3][0] && type !== block[3][1])) { + this.startBlock('list', key, [space, type, tab]); + } else { + this.setBlock(key); + } + } else { + this.startBlock('list', key, [space, type, tab]); + } + return false; + } + return true; + } + + parseBlockCode(block, key, line, state) { + var isAfterList, matches, space; + if (!!(matches = line.match(/^(\s*)(~{3,}|`{3,})([^`~]*)$/i))) { + if (this.isBlock('code')) { + if (state.code !== matches[2]) { + this.setBlock(key); + return false; + } + isAfterList = block[3][2]; + if (isAfterList) { + state.empty = 0; + this.combineBlock().setBlock(key); + } else { + (this.setBlock(key)).endBlock(); + } + } else { + isAfterList = false; + if (this.isBlock('list')) { + space = block[3][0]; + isAfterList = matches[1].length >= space + state.empty; + } + state.code = matches[2]; + this.startBlock('code', key, [matches[1], matches[3], isAfterList]); + } + return false; + } else if (this.isBlock('code')) { + this.setBlock(key); + return false; + } + return true; + } + + parseBlockShtml(block, key, line, state) { + var matches; + if (this.html) { + if (!!(matches = line.match(/^(\s*)!!!(\s*)$/))) { + if (this.isBlock('shtml')) { + this.setBlock(key).endBlock(); + } else { + this.startBlock('shtml', key); + } + return false; + } else if (this.isBlock('shtml')) { + this.setBlock(key); + return false; + } + } + return true; + } + + parseBlockAhtml(block, key, line, state) { + var htmlTagAllRegExp, htmlTagRegExp, lastMatch, m, matches; + if (this.html) { + htmlTagRegExp = new RegExp(`^\\s*<(${this.blockHtmlTags})(\\s+[^>]*)?>`, 'i'); + if (matches = line.match(htmlTagRegExp)) { + if (this.isBlock('ahtml')) { + this.setBlock(key); + return false; + } else if (matches[2] === void 0 || matches[2] !== '/') { + this.startBlock('ahtml', key); + htmlTagAllRegExp = new RegExp(`\\s*<(${this.blockHtmlTags})(\\s+[^>]*)?>`, 'ig'); + while (true) { + m = htmlTagAllRegExp.exec(line); + if (!m) { + break; + } + lastMatch = m[1]; + } + if (0 <= line.indexOf(``)) { + this.endBlock(); + } else { + state.html = lastMatch; + } + return false; + } + } else if (!!state.html && 0 <= line.indexOf(``)) { + this.setBlock(key).endBlock(); + state.html = false; + return false; + } else if (this.isBlock('ahtml')) { + this.setBlock(key); + return false; + } else if (!!(matches = line.match(/^\s*\s*$/))) { + this.startBlock('ahtml', key).endBlock(); + return false; + } + } + return true; + } + + parseBlockMath(block, key, line) { + var matches; + if (!!(matches = line.match(/^(\s*)\$\$(\s*)$/))) { + if (this.isBlock('math')) { + this.setBlock(key).endBlock(); + } else { + this.startBlock('math', key); + } + return false; + } else if (this.isBlock('math')) { + this.setBlock(key); + return false; + } + return true; + } + + parseBlockPre(block, key, line, state) { + if (!!(line.match(/^ {4}/))) { + if (this.isBlock('pre')) { + this.setBlock(key); + } else { + this.startBlock('pre', key); + } + return false; + } else if ((this.isBlock('pre')) && line.match(/^\s*$/)) { + this.setBlock(key); + return false; + } + return true; + } + + parseBlockHtml(block, key, line, state) { + var matches, tag; + if (!!(matches = line.match(new RegExp(`^\\s*<(${state.special})(\\s+[^>]*)?>`, 'i')))) { + tag = matches[1].toLowerCase(); + if (!(this.isBlock('html', tag)) && !(this.isBlock('pre'))) { + this.startBlock('html', key, tag); + } + return false; + } else if (!!(matches = line.match(new RegExp(`\\s*$`, 'i')))) { + tag = matches[1].toLowerCase(); + if (this.isBlock('html', tag)) { + this.setBlock(key).endBlock(); + } + return false; + } else if (this.isBlock('html')) { + this.setBlock(key); + return false; + } + return true; + } + + parseBlockFootnote(block, key, line) { + var matches, space; + if (!!(matches = line.match(/^\[\^((?:[^\]]|\\\]|\\\[)+?)\]:/))) { + space = matches[0].length - 1; + this.startBlock('footnote', key, [space, matches[1]]); + return false; + } + return true; + } + + parseBlockDefinition(block, key, line) { + var matches; + if (!!(matches = line.match(/^\s*\[((?:[^\]]|\\\]|\\\[)+?)\]:\s*(.+)$/))) { + this.definitions[matches[1]] = this.cleanUrl(matches[2]); + this.startBlock('definition', key).endBlock(); + return false; + } + return true; + } + + parseBlockQuote(block, key, line) { + var matches; + if (!!(matches = line.match(/^(\s*)>/))) { + if ((this.isBlock('list')) && matches[1].length > 0) { + this.setBlock(key); + } else if (this.isBlock('quote')) { + this.setBlock(key); + } else { + this.startBlock('quote', key); + } + return false; + } + return true; + } + + parseBlockTable(block, key, line, state, lines) { + var align, aligns, head, j, len, matches, row, rows; + if (!!(matches = line.match(/^((?:(?:(?:\||\+)(?:[ :]*\-+[ :]*)(?:\||\+))|(?:(?:[ :]*\-+[ :]*)(?:\||\+)(?:[ :]*\-+[ :]*))|(?:(?:[ :]*\-+[ :]*)(?:\||\+))|(?:(?:\||\+)(?:[ :]*\-+[ :]*)))+)$/))) { + if (this.isBlock('table')) { + block[3][0].push(block[3][2]); + block[3][2] += 1; + this.setBlock(key, block[3]); + } else { + head = 0; + if ((block == null) || block[0] !== 'normal' || lines[block[2]].match(/^\s*$/)) { + this.startBlock('table', key); + } else { + head = 1; + this.backBlock(1, 'table'); + } + if (matches[1][0] === '|') { + matches[1] = matches[1].substring(1); + if (matches[1][matches[1].length - 1] === '|') { + matches[1] = matches[1].substring(0, matches[1].length - 1); + } + } + rows = matches[1].split(/\+|\|/); + aligns = []; + for (j = 0, len = rows.length; j < len; j++) { + row = rows[j]; + align = 'none'; + if (!!(matches = row.match(/^\s*(:?)\-+(:?)\s*$/))) { + if (!!matches[1] && !!matches[2]) { + align = 'center'; + } else if (!!matches[1]) { + align = 'left'; + } else if (!!matches[2]) { + align = 'right'; + } + } + aligns.push(align); + } + this.setBlock(key, [[head], aligns, head + 1]); + } + return false; + } + return true; + } + + parseBlockSh(block, key, line) { + var matches, num; + if (!!(matches = line.match(/^(#+)(.*)$/))) { + num = Math.min(matches[1].length, 6); + this.startBlock('sh', key, num).endBlock(); + return false; + } + return true; + } + + parseBlockMh(block, key, line, state, lines) { + var matches; + if (!!(matches = line.match(/^\s*((=|-){2,})\s*$/)) && ((block != null) && block[0] === 'normal' && !lines[block[2]].match(/^\s*$/))) { + if (this.isBlock('normal')) { + this.backBlock(1, 'mh', matches[1][0] === '=' ? 1 : 2).setBlock(key).endBlock(); + } else { + this.startBlock('normal', key); + } + return false; + } + return true; + } + + parseBlockShr(block, key, line) { + if (!!(line.match(/^(\* *){3,}\s*$/))) { + this.startBlock('hr', key).endBlock(); + return false; + } + return true; + } + + parseBlockDhr(block, key, line) { + if (!!(line.match(/^(- *){3,}\s*$/))) { + this.startBlock('hr', key).endBlock(); + return false; + } + return true; + } + + parseBlockDefault(block, key, line, state) { + var matches; + if (this.isBlock('footnote')) { + matches = line.match(/^(\s*)/); + if (matches[1].length >= block[3][0]) { + this.setBlock(key); + } else { + this.startBlock('normal', key); + } + } else if (this.isBlock('table')) { + if (0 <= line.indexOf('|')) { + block[3][2] += 1; + this.setBlock(key, block[3]); + } else { + this.startBlock('normal', key); + } + } else if (this.isBlock('quote')) { + if (!line.match(/^(\s*)$/)) { // empty line + this.setBlock(key); + } else { + this.startBlock('normal', key); + } + } else { + if ((block == null) || block[0] !== 'normal') { + this.startBlock('normal', key); + } else { + this.setBlock(key); + } + } + return true; + } + + optimizeBlocks(_blocks, _lines) { + var block, blocks, from, isEmpty, key, lines, moved, nextBlock, prevBlock, to, type, types; + blocks = _blocks.slice(0); + lines = _lines.slice(0); + blocks = this.call('beforeOptimizeBlocks', blocks, lines); + key = 0; + while (blocks[key] != null) { + moved = false; + block = blocks[key]; + prevBlock = blocks[key - 1] != null ? blocks[key - 1] : null; + nextBlock = blocks[key + 1] != null ? blocks[key + 1] : null; + [type, from, to] = block; + if ('pre' === type) { + isEmpty = (lines.slice(block[1], block[2] + 1)).reduce(function(result, line) { + return (line.match(/^\s*$/)) && result; + }, true); + if (isEmpty) { + block[0] = type = 'normal'; + } + } + if ('normal' === type) { + types = ['list', 'quote']; + if (from === to && (lines[from].match(/^\s*$/)) && (prevBlock != null) && (nextBlock != null)) { + if (prevBlock[0] === nextBlock[0] && (types.indexOf(prevBlock[0])) >= 0 && (prevBlock[0] !== 'list' || (prevBlock[3][0] === nextBlock[3][0] && prevBlock[3][1] === nextBlock[3][1]))) { + // combine 3 blocks + blocks[key - 1] = [prevBlock[0], prevBlock[1], nextBlock[2], prevBlock[3] != null ? prevBlock[3] : null]; + blocks.splice(key, 2); + // do not move + moved = true; + } + } + } + if (!moved) { + key += 1; + } + } + return this.call('afterOptimizeBlocks', blocks, lines); + } + + parseCode(lines, parts, start) { + var blank, count, isEmpty, lang, rel, str; + [blank, lang] = parts; + lang = trim(lang); + count = blank.length; + if (!lang.match(/^[_a-z0-9-\+\#\:\.]+$/i)) { + lang = null; + } else { + parts = lang.split(':'); + if (parts.length > 1) { + [lang, rel] = parts; + lang = trim(lang); + rel = trim(rel); + } + } + isEmpty = true; + lines = lines.slice(1, -1).map(function(line) { + line = line.replace(new RegExp(`^[ ]{${count}}`), ''); + if (isEmpty && !line.match(/^\s*$/)) { + isEmpty = false; + } + return htmlspecialchars(line); + }); + str = (this.markLines(lines, start + 1)).join("\n"); + if (isEmpty) { + return ''; + } else { + return '
' + str + '
'; + } + } + + parsePre(lines, value, start) { + var str; + lines = lines.map(function(line) { + return htmlspecialchars(line.substring(4)); + }); + str = (this.markLines(lines, start)).join("\n"); + if (str.match(/^\s*$/)) { + return ''; + } else { + return '
' + str + '
'; + } + } + + parseAhtml(lines, value, start) { + return trim((this.markLines(lines, start)).join("\n")); + } + + parseShtml(lines, value, start) { + return trim((this.markLines(lines.slice(1, -1), start + 1)).join("\n")); + } + + parseMath(lines, value, start, end) { + return '

' + (this.markLine(start, end)) + (htmlspecialchars(lines.join("\n"))) + '

'; + } + + parseSh(lines, num, start, end) { + var line; + line = (this.markLine(start, end)) + this.parseInline(trim(lines[0], '# ')); + if (line.match(/^\s*$/)) { + return ''; + } else { + return `${line}`; + } + } + + parseMh(lines, num, start, end) { + return this.parseSh(lines, num, start, end); + } + + parseQuote(lines, value, start) { + var str; + lines = lines.map(function(line) { + return line.replace(/^\s*> ?/, ''); + }); + str = lines.join("\n"); + if (str.match(/^\s*$/)) { + return ''; + } else { + return '
' + (this.parse(str, true, start)) + '
'; + } + } + + parseList(lines, value, start) { + var html, j, key, l, last, len, len1, line, matches, row, rows, space, suffix, tab, type; + html = ''; + [space, type, tab] = value; + rows = []; + suffix = ''; + last = 0; + for (key = j = 0, len = lines.length; j < len; key = ++j) { + line = lines[key]; + if (matches = line.match(new RegExp(`^(\\s{${space}})((?:[0-9]+\\.?)|\\-|\\+|\\*)(\\s+)(.*)$`))) { + if (type === 'ol' && key === 0) { + start = parseInt(matches[2]); + if (start !== 1) { + suffix = ' start="' + start + '"'; + } + } + rows.push([matches[4]]); + last = rows.length - 1; + } else { + rows[last].push(line.replace(new RegExp(`^\\s{${tab + space}}`), '')); + } + } + for (l = 0, len1 = rows.length; l < len1; l++) { + row = rows[l]; + html += '
  • ' + (this.parse(row.join("\n"), true, start)) + '
    • '; + start += row.length; + } + return `<${type}${suffix}>${html}`; + } + + parseTable(lines, value, start) { + var aligns, body, column, columns, head, html, ignores, j, key, l, last, len, len1, line, num, output, row, rows, tag, text; + [ignores, aligns] = value; + head = ignores.length > 0 && (ignores.reduce(function(prev, curr) { + return curr + prev; + })) > 0; + html = ''; + body = head ? null : true; + output = false; + for (key = j = 0, len = lines.length; j < len; key = ++j) { + line = lines[key]; + if (0 <= ignores.indexOf(key)) { + if (head && output) { + head = false; + body = true; + } + continue; + } + line = trim(line); + output = true; + if (line[0] === '|') { + line = line.substring(1); + if (line[line.length - 1] === '|') { + line = line.substring(0, line.length - 1); + } + } + rows = line.split('|').map(function(row) { + if (row.match(/^\s*$/)) { + return ' '; + } else { + return trim(row); + } + }); + columns = {}; + last = -1; + for (l = 0, len1 = rows.length; l < len1; l++) { + row = rows[l]; + if (row.length > 0) { + last += 1; + columns[last] = [(columns[last] != null ? columns[last][0] + 1 : 1), row]; + } else if (columns[last] != null) { + columns[last][0] += 1; + } else { + columns[0] = [1, row]; + } + } + if (head) { + html += ''; + } else if (body) { + html += ''; + } + html += ' 1) { + html += ` colspan=\"${num}\"`; + } + if ((aligns[key] != null) && aligns[key] !== 'none') { + html += ` align=\"${aligns[key]}\"`; + } + html += '>' + (this.parseInline(text)) + ``; + } + html += ''; + if (head) { + html += ''; + } else if (body) { + body = false; + } + } + if (body !== null) { + html += ''; + } + return html += '
    '; + } + + parseHr(lines, value, start) { + if (this.line) { + return '
    '; + } else { + return '
    '; + } + } + + parseNormal(lines, inline, start) { + var key, str; + key = 0; + lines = lines.map((line) => { + line = this.parseInline(line); + if (!line.match(/^\s*$/)) { + line = (this.markLine(start + key)) + line; + } + key += 1; + return line; + }); + str = trim(lines.join("\n")); + str = str.replace(/(\n\s*){2,}/g, () => { + inline = false; + return '

    '; + }); + str = str.replace(/\n/g, '
    '); + if (str.match(/^\s*$/)) { + return ''; + } else { + if (inline) { + return str; + } else { + return `

    ${str}

    `; + } + } + } + + parseFootnote(lines, value) { + var index, note, space; + [space, note] = value; + index = this.footnotes.indexOf(note); + if (index >= 0) { + lines = lines.slice(0); // clone array + lines[0] = lines[0].replace(/^\[\^((?:[^\]]|\]|\[)+?)\]:/, ''); + this.footnotes[index] = lines; + } + return ''; + } + + parseDefinition() { + return ''; + } + + parseHtml(lines, type, start) { + lines = lines.map((line) => { + return this.parseInline(line, this.specialWhiteList[type] != null ? this.specialWhiteList[type] : ''); + }); + return (this.markLines(lines, start)).join("\n"); + } + + cleanUrl(url, parseTitle = false) { + var matches, pos, title; + title = null; + url = trim(url); + if (parseTitle) { + pos = url.indexOf(' '); + if (pos >= 0) { + title = htmlspecialchars(trim(url.substring(pos + 1), ' "\'')); + url = url.substring(0, pos); + } + } + url = url.replace(/["'<>\s]/g, ''); + if (!!(matches = url.match(/^(mailto:)?[_a-z0-9-\.\+]+@[_\w-]+(?:\.[a-z]{2,})+$/i))) { + if (matches[1] == null) { + url = 'mailto:' + url; + } + } + if ((url.match(/^\w+:/i)) && !(url.match(/^(https?|mailto):/i))) { + return '#'; + } + if (parseTitle) { + return [url, title]; + } else { + return url; + } + } + + escapeBracket(str) { + return str_replace(['\\[', '\\]', '\\(', '\\)'], ['[', ']', '(', ')'], str); + } + + startBlock(type, start, value = null) { + this.pos += 1; + this.current = type; + this.blocks.push([type, start, start, value]); + return this; + } + + endBlock() { + this.current = 'normal'; + return this; + } + + isBlock(type, value = null) { + return this.current === type && (null === value ? true : this.blocks[this.pos][3] === value); + } + + getBlock() { + if (this.blocks[this.pos] != null) { + return this.blocks[this.pos]; + } else { + return null; + } + } + + setBlock(to = null, value = null) { + if (to !== null) { + this.blocks[this.pos][2] = to; + } + if (value !== null) { + this.blocks[this.pos][3] = value; + } + return this; + } + + backBlock(step, type, value = null) { + var item, last; + if (this.pos < 0) { + return this.startBlock(type, 0, value); + } + last = this.blocks[this.pos][2]; + this.blocks[this.pos][2] = last - step; + item = [type, last - step + 1, last, value]; + if (this.blocks[this.pos][1] <= this.blocks[this.pos][2]) { + this.pos += 1; + this.blocks.push(item); + } else { + this.blocks[this.pos] = item; + } + this.current = type; + return this; + } + + combineBlock() { + var current, prev; + if (this.pos < 1) { + return this; + } + prev = this.blocks[this.pos - 1].slice(0); + current = this.blocks[this.pos].slice(0); + prev[2] = current[2]; + this.blocks[this.pos - 1] = prev; + this.current = prev[0]; + this.blocks = this.blocks.slice(0, -1); + this.pos -= 1; + return this; + } + + }; + + // begin php function wrappers ucfirst = function(str) { return (str.charAt(0)).toUpperCase() + str.substring(1); }; @@ -39,14 +1123,11 @@ return str.replace(/&/g, '&').replace(//g, '>').replace(/"/g, '"'); }; - trim = function(str, ch) { + trim = function(str, ch = null) { var c, i, j, ref, search; - if (ch == null) { - ch = null; - } if (ch != null) { search = ''; - for (i = j = 0, ref = ch.length - 1; 0 <= ref ? j <= ref : j >= ref; i = 0 <= ref ? ++j : --j) { + for (i = j = 0, ref = ch.length - 1; (0 <= ref ? j <= ref : j >= ref); i = 0 <= ref ? ++j : --j) { c = ch[i]; c = preg_quote(c); search += c; @@ -91,1174 +1172,9 @@ return result; }; - function Parser() { - this.commonWhiteList = 'kbd|b|i|strong|em|sup|sub|br|code|del|a|hr|small'; - this.blockHtmlTags = 'p|div|h[1-6]|blockquote|pre|table|dl|ol|ul|address|form|fieldset|iframe|hr|legend|article|section|nav|aside|hgroup|header|footer|figcaption|svg|script|noscript'; - this.specialWhiteList = { - table: 'table|tbody|thead|tfoot|tr|td|th' - }; - this.hooks = {}; - this.html = false; - this.line = false; - this.blockParsers = [['code', 10], ['shtml', 20], ['pre', 30], ['ahtml', 40], ['shr', 50], ['list', 60], ['math', 70], ['html', 80], ['footnote', 90], ['definition', 100], ['quote', 110], ['table', 120], ['sh', 130], ['mh', 140], ['dhr', 150], ['default', 9999]]; - this.parsers = {}; - } - - Parser.prototype.makeHtml = function(text) { - var html, j, len, name, parser, ref; - this.footnotes = []; - this.definitions = {}; - this.holders = {}; - this.uniqid = (Math.ceil(Math.random() * 10000000)) + (Math.ceil(Math.random() * 10000000)); - this.id = 0; - this.blockParsers.sort(function(a, b) { - if (a[1] < b[1]) { - return -1; - } else { - return 1; - } - }); - ref = this.blockParsers; - for (j = 0, len = ref.length; j < len; j++) { - parser = ref[j]; - name = parser[0]; - if (parser[2] !== void 0) { - this.parsers[name] = parser[2]; - } else { - this.parsers[name] = this['parseBlock' + (ucfirst(name))].bind(this); - } - } - text = this.initText(text); - html = this.parse(text); - html = this.makeFootnotes(html); - html = this.optimizeLines(html); - return this.call('makeHtml', html); - }; - - Parser.prototype.enableHtml = function(html1) { - this.html = html1 != null ? html1 : true; - }; - - Parser.prototype.enableLine = function(line1) { - this.line = line1 != null ? line1 : true; - }; - - Parser.prototype.hook = function(type, cb) { - if (this.hooks[type] == null) { - this.hooks[type] = []; - } - return this.hooks[type].push(cb); - }; - - Parser.prototype.makeHolder = function(str) { - var key; - key = "|\r" + this.uniqid + this.id + "\r|"; - this.id += 1; - this.holders[key] = str; - return key; - }; - - Parser.prototype.initText = function(text) { - return text.replace(/\t/g, ' ').replace(/\r/g, '').replace(/(\u000A|\u000D|\u2028|\u2029)/g, "\n"); - }; - - Parser.prototype.makeFootnotes = function(html) { - var index, val; - if (this.footnotes.length > 0) { - html += '
      '; - index = 1; - while (val = this.footnotes.shift()) { - if (typeof val === 'string') { - val += " ↩"; - } else { - val[val.length - 1] += " ↩"; - val = val.length > 1 ? this.parse(val.join("\n")) : this.parseInline(val[0]); - } - html += "
    1. " + val + "
      2. "; - index += 1; - } - html += '
    '; - } - return html; - }; - - Parser.prototype.parse = function(text, inline, offset) { - var block, blocks, end, extract, html, j, len, lines, method, result, start, type, value; - if (inline == null) { - inline = false; - } - if (offset == null) { - offset = 0; - } - lines = []; - blocks = this.parseBlock(text, lines); - html = ''; - if (inline && blocks.length === 1 && blocks[0][0] === 'normal') { - blocks[0][3] = true; - } - for (j = 0, len = blocks.length; j < len; j++) { - block = blocks[j]; - type = block[0], start = block[1], end = block[2], value = block[3]; - extract = lines.slice(start, end + 1); - method = 'parse' + ucfirst(type); - extract = this.call('before' + ucfirst(method), extract, value); - result = this[method](extract, value, start + offset, end + offset); - result = this.call('after' + ucfirst(method), result, value); - html += result; - } - return html; - }; - - Parser.prototype.call = function() { - var args, callback, j, len, ref, type, value; - type = arguments[0], args = 2 <= arguments.length ? slice.call(arguments, 1) : []; - value = args[0]; - if (this.hooks[type] == null) { - return value; - } - ref = this.hooks[type]; - for (j = 0, len = ref.length; j < len; j++) { - callback = ref[j]; - value = callback.apply(this, args); - args[0] = value; - } - return value; - }; - - Parser.prototype.releaseHolder = function(text, clearHolders) { - var deep; - if (clearHolders == null) { - clearHolders = true; - } - deep = 0; - while ((text.indexOf("\r")) >= 0 && deep < 10) { - text = str_replace(array_keys(this.holders), array_values(this.holders), text); - deep += 1; - } - if (clearHolders) { - this.holders = {}; - } - return text; - }; - - Parser.prototype.markLine = function(start, end) { - if (end == null) { - end = -1; - } - if (this.line) { - end = end < 0 ? start : end; - return ''; - } - return ''; - }; - - Parser.prototype.markLines = function(lines, start) { - var i; - i = -1; - if (this.line) { - return lines.map((function(_this) { - return function(line) { - i += 1; - return (_this.markLine(start + i)) + line; - }; - })(this)); - } else { - return lines; - } - }; - - Parser.prototype.optimizeLines = function(html) { - var last, regex; - last = 0; - regex = new RegExp("class=\"line\" data\\-start=\"([0-9]+)\" data\\-end=\"([0-9]+)\" (data\\-id=\"" + this.uniqid + "\")", 'g'); - if (this.line) { - return html.replace(regex, function() { - var matches, replace; - matches = 1 <= arguments.length ? slice.call(arguments, 0) : []; - if (last !== parseInt(matches[1])) { - replace = 'class="line" data-start="' + last + '" data-start-original="' + matches[1] + '" data-end="' + matches[2] + '" ' + matches[3]; - } else { - replace = matches[0]; - } - last = 1 + parseInt(matches[2]); - return replace; - }); - } else { - return html; - } - }; - - Parser.prototype.parseInline = function(text, whiteList, clearHolders, enableAutoLink) { - if (whiteList == null) { - whiteList = ''; - } - if (clearHolders == null) { - clearHolders = true; - } - if (enableAutoLink == null) { - enableAutoLink = true; - } - text = this.call('beforeParseInline', text); - text = text.replace(/(^|[^\\])(`+)(.+?)\2/mg, (function(_this) { - return function() { - var matches; - matches = 1 <= arguments.length ? slice.call(arguments, 0) : []; - return matches[1] + _this.makeHolder('' + (htmlspecialchars(matches[3])) + ''); - }; - })(this)); - text = text.replace(/(^|[^\\])(\$+)(.+?)\2/mg, (function(_this) { - return function() { - var matches; - matches = 1 <= arguments.length ? slice.call(arguments, 0) : []; - return matches[1] + _this.makeHolder(matches[2] + (htmlspecialchars(matches[3])) + matches[2]); - }; - })(this)); - text = text.replace(/\\(.)/g, (function(_this) { - return function() { - var escaped, matches, prefix; - matches = 1 <= arguments.length ? slice.call(arguments, 0) : []; - prefix = matches[1].match(/^[-\[\]\/\{\}\(\)\*\+\?\.\\\^\$\|]$/) ? '' : '\\'; - escaped = htmlspecialchars(matches[1]); - escaped = escaped.replace(/\$/g, '$'); - return _this.makeHolder(prefix + escaped); - }; - })(this)); - text = text.replace(/<(https?:\/\/.+|(?:mailto:)?[_a-z0-9-\.\+]+@[_\w-]+\.[a-z]{2,})>/ig, (function(_this) { - return function() { - var link, matches, url; - matches = 1 <= arguments.length ? slice.call(arguments, 0) : []; - url = _this.cleanUrl(matches[1]); - link = _this.call('parseLink', url); - return _this.makeHolder("" + link + ""); - }; - })(this)); - text = text.replace(/<(\/?)([a-z0-9-]+)(\s+[^>]*)?>/ig, (function(_this) { - return function() { - var matches; - matches = 1 <= arguments.length ? slice.call(arguments, 0) : []; - if (_this.html || (('|' + _this.commonWhiteList + '|' + whiteList + '|').indexOf('|' + matches[2].toLowerCase() + '|')) >= 0) { - return _this.makeHolder(matches[0]); - } else { - return _this.makeHolder(htmlspecialchars(matches[0])); - } - }; - })(this)); - if (this.html) { - text = text.replace(//g, (function(_this) { - return function() { - var matches; - matches = 1 <= arguments.length ? slice.call(arguments, 0) : []; - return _this.makeHolder(matches[0]); - }; - })(this)); - } - text = str_replace(['<', '>'], ['<', '>'], text); - text = text.replace(/\[\^((?:[^\]]|\\\]|\\\[)+?)\]/g, (function(_this) { - return function() { - var id, matches; - matches = 1 <= arguments.length ? slice.call(arguments, 0) : []; - id = _this.footnotes.indexOf(matches[1]); - if (id < 0) { - id = _this.footnotes.length + 1; - _this.footnotes.push(_this.parseInline(matches[1], '', false)); - } - return _this.makeHolder("" + id + ""); - }; - })(this)); - text = text.replace(/!\[((?:[^\]]|\\\]|\\\[)*?)\]\(((?:[^\)]|\\\)|\\\()+?)\)/g, (function(_this) { - return function() { - var escaped, matches, ref, title, url; - matches = 1 <= arguments.length ? slice.call(arguments, 0) : []; - escaped = htmlspecialchars(_this.escapeBracket(matches[1])); - url = _this.escapeBracket(matches[2]); - ref = _this.cleanUrl(url, true), url = ref[0], title = ref[1]; - title = title == null ? escaped : " title=\"" + title + "\""; - return _this.makeHolder("\"""); - }; - })(this)); - text = text.replace(/!\[((?:[^\]]|\\\]|\\\[)*?)\]\[((?:[^\]]|\\\]|\\\[)+?)\]/g, (function(_this) { - return function() { - var escaped, matches, result; - matches = 1 <= arguments.length ? slice.call(arguments, 0) : []; - escaped = htmlspecialchars(_this.escapeBracket(matches[1])); - result = _this.definitions[matches[2]] != null ? "\""" : escaped; - return _this.makeHolder(result); - }; - })(this)); - text = text.replace(/\[((?:[^\]]|\\\]|\\\[)+?)\]\(((?:[^\)]|\\\)|\\\()+?)\)/g, (function(_this) { - return function() { - var escaped, matches, ref, title, url; - matches = 1 <= arguments.length ? slice.call(arguments, 0) : []; - escaped = _this.parseInline(_this.escapeBracket(matches[1]), '', false, false); - url = _this.escapeBracket(matches[2]); - ref = _this.cleanUrl(url, true), url = ref[0], title = ref[1]; - title = title == null ? '' : " title=\"" + title + "\""; - return _this.makeHolder("" + escaped + ""); - }; - })(this)); - text = text.replace(/\[((?:[^\]]|\\\]|\\\[)+?)\]\[((?:[^\]]|\\\]|\\\[)+?)\]/g, (function(_this) { - return function() { - var escaped, matches, result; - matches = 1 <= arguments.length ? slice.call(arguments, 0) : []; - escaped = _this.parseInline(_this.escapeBracket(matches[1]), '', false, false); - result = _this.definitions[matches[2]] != null ? "" + escaped + "" : escaped; - return _this.makeHolder(result); - }; - })(this)); - text = this.parseInlineCallback(text); - if (enableAutoLink) { - text = text.replace(/(^|[^\"])(https?:\/\/(www\.)?[-a-zA-Z0-9@:%._\+~#=]{1,256}\b([-a-zA-Z0-9()@:%_\+.~#?&\/=]*)|(?:mailto:)?[_a-z0-9-\.\+]+@[_\w-]+\.[a-z]{2,})($|[^\"])/g, (function(_this) { - return function() { - var link, matches, url; - matches = 1 <= arguments.length ? slice.call(arguments, 0) : []; - url = _this.cleanUrl(matches[2]); - link = _this.call('parseLink', matches[2]); - return matches[1] + "" + link + "" + matches[5]; - }; - })(this)); - } - text = this.call('afterParseInlineBeforeRelease', text); - text = this.releaseHolder(text, clearHolders); - text = this.call('afterParseInline', text); - return text; - }; - - Parser.prototype.parseInlineCallback = function(text) { - text = text.replace(/(\*{3})((?:.|\r)+?)\1/mg, (function(_this) { - return function() { - var matches; - matches = 1 <= arguments.length ? slice.call(arguments, 0) : []; - return '' + (_this.parseInlineCallback(matches[2])) + ''; - }; - })(this)); - text = text.replace(/(\*{2})((?:.|\r)+?)\1/mg, (function(_this) { - return function() { - var matches; - matches = 1 <= arguments.length ? slice.call(arguments, 0) : []; - return '' + (_this.parseInlineCallback(matches[2])) + ''; - }; - })(this)); - text = text.replace(/(\*)((?:.|\r)+?)\1/mg, (function(_this) { - return function() { - var matches; - matches = 1 <= arguments.length ? slice.call(arguments, 0) : []; - return '' + (_this.parseInlineCallback(matches[2])) + ''; - }; - })(this)); - text = text.replace(/(\s+|^)(_{3})((?:.|\r)+?)\2(\s+|$)/mg, (function(_this) { - return function() { - var matches; - matches = 1 <= arguments.length ? slice.call(arguments, 0) : []; - return matches[1] + '' + (_this.parseInlineCallback(matches[3])) + '' + matches[4]; - }; - })(this)); - text = text.replace(/(\s+|^)(_{2})((?:.|\r)+?)\2(\s+|$)/mg, (function(_this) { - return function() { - var matches; - matches = 1 <= arguments.length ? slice.call(arguments, 0) : []; - return matches[1] + '' + (_this.parseInlineCallback(matches[3])) + '' + matches[4]; - }; - })(this)); - text = text.replace(/(\s+|^)(_)((?:.|\r)+?)\2(\s+|$)/mg, (function(_this) { - return function() { - var matches; - matches = 1 <= arguments.length ? slice.call(arguments, 0) : []; - return matches[1] + '' + (_this.parseInlineCallback(matches[3])) + '' + matches[4]; - }; - })(this)); - text = text.replace(/(~{2})((?:.|\r)+?)\1/mg, (function(_this) { - return function() { - var matches; - matches = 1 <= arguments.length ? slice.call(arguments, 0) : []; - return '' + (_this.parseInlineCallback(matches[2])) + ''; - }; - })(this)); - return text; - }; - - Parser.prototype.parseBlock = function(text, lines) { - var block, j, key, l, len, len1, line, name, parser, pass, ref, ref1, state; - ref = text.split("\n"); - for (j = 0, len = ref.length; j < len; j++) { - line = ref[j]; - lines.push(line); - } - this.blocks = []; - this.current = 'normal'; - this.pos = -1; - state = { - special: (array_keys(this.specialWhiteList)).join('|'), - empty: 0, - html: false - }; - for (key = l = 0, len1 = lines.length; l < len1; key = ++l) { - line = lines[key]; - block = this.getBlock(); - if (block != null) { - block = block.slice(0); - } - if (this.current !== 'normal') { - pass = this.parsers[this.current](block, key, line, state, lines); - if (!pass) { - continue; - } - } - ref1 = this.parsers; - for (name in ref1) { - parser = ref1[name]; - if (name !== this.current) { - pass = parser(block, key, line, state, lines); - if (!pass) { - break; - } - } - } - } - return this.optimizeBlocks(this.blocks, lines); - }; - - Parser.prototype.parseBlockList = function(block, key, line, state) { - var matches, space, tab, type; - if ((this.isBlock('list')) && !line.match(/^\s*\[((?:[^\]]|\\\]|\\\[)+?)\]:\s*(.+)$/)) { - if (!!(line.match(/^(\s*)(~{3,}|`{3,})([^`~]*)$/i))) { - return true; - } else if ((state.empty <= 1) && !!(matches = line.match(/^(\s*)\S+/)) && matches[1].length >= (block[3][0] + state.empty)) { - state.empty = 0; - this.setBlock(key); - return false; - } else if ((line.match(/^\s*$/)) && state.empty === 0) { - state.empty += 1; - this.setBlock(key); - return false; - } - } - if (!!(matches = line.match(/^(\s*)((?:[0-9]+\.)|\-|\+|\*)\s+/i))) { - space = matches[1].length; - tab = matches[0].length - space; - state.empty = 0; - type = 0 <= '+-*'.indexOf(matches[2]) ? 'ul' : 'ol'; - if (this.isBlock('list')) { - if (space < block[3][0] || (space === block[3][0] && type !== block[3][1])) { - this.startBlock('list', key, [space, type, tab]); - } else { - this.setBlock(key); - } - } else { - this.startBlock('list', key, [space, type, tab]); - } - return false; - } - return true; - }; - - Parser.prototype.parseBlockCode = function(block, key, line, state) { - var isAfterList, matches, space; - if (!!(matches = line.match(/^(\s*)(~{3,}|`{3,})([^`~]*)$/i))) { - if (this.isBlock('code')) { - if (state.code !== matches[2]) { - this.setBlock(key); - return false; - } - isAfterList = block[3][2]; - if (isAfterList) { - state.empty = 0; - this.combineBlock().setBlock(key); - } else { - (this.setBlock(key)).endBlock(); - } - } else { - isAfterList = false; - if (this.isBlock('list')) { - space = block[3][0]; - isAfterList = matches[1].length >= space + state.empty; - } - state.code = matches[2]; - this.startBlock('code', key, [matches[1], matches[3], isAfterList]); - } - return false; - } else if (this.isBlock('code')) { - this.setBlock(key); - return false; - } - return true; - }; - - Parser.prototype.parseBlockShtml = function(block, key, line, state) { - var matches; - if (this.html) { - if (!!(matches = line.match(/^(\s*)!!!(\s*)$/))) { - if (this.isBlock('shtml')) { - this.setBlock(key).endBlock(); - } else { - this.startBlock('shtml', key); - } - return false; - } else if (this.isBlock('shtml')) { - this.setBlock(key); - return false; - } - } - return true; - }; - - Parser.prototype.parseBlockAhtml = function(block, key, line, state) { - var htmlTagAllRegExp, htmlTagRegExp, lastMatch, m, matches; - if (this.html) { - htmlTagRegExp = new RegExp("^\\s*<(" + this.blockHtmlTags + ")(\\s+[^>]*)?>", 'i'); - if (matches = line.match(htmlTagRegExp)) { - if (this.isBlock('ahtml')) { - this.setBlock(key); - return false; - } else if (matches[2] === void 0 || matches[2] !== '/') { - this.startBlock('ahtml', key); - htmlTagAllRegExp = new RegExp("\\s*<(" + this.blockHtmlTags + ")(\\s+[^>]*)?>", 'ig'); - while (true) { - m = htmlTagAllRegExp.exec(line); - if (!m) { - break; - } - lastMatch = m[1]; - } - if (0 <= line.indexOf("")) { - this.endBlock(); - } else { - state.html = lastMatch; - } - return false; - } - } else if (!!state.html && 0 <= line.indexOf("")) { - this.setBlock(key).endBlock(); - state.html = false; - return false; - } else if (this.isBlock('ahtml')) { - this.setBlock(key); - return false; - } else if (!!(matches = line.match(/^\s*\s*$/))) { - this.startBlock('ahtml', key).endBlock(); - return false; - } - } - return true; - }; - - Parser.prototype.parseBlockMath = function(block, key, line) { - var matches; - if (!!(matches = line.match(/^(\s*)\$\$(\s*)$/))) { - if (this.isBlock('math')) { - this.setBlock(key).endBlock(); - } else { - this.startBlock('math', key); - } - return false; - } else if (this.isBlock('math')) { - this.setBlock(key); - return false; - } - return true; - }; - - Parser.prototype.parseBlockPre = function(block, key, line, state) { - if (!!(line.match(/^ {4}/))) { - if (this.isBlock('pre')) { - this.setBlock(key); - } else { - this.startBlock('pre', key); - } - return false; - } else if ((this.isBlock('pre')) && line.match(/^\s*$/)) { - this.setBlock(key); - return false; - } - return true; - }; - - Parser.prototype.parseBlockHtml = function(block, key, line, state) { - var matches, tag; - if (!!(matches = line.match(new RegExp("^\\s*<(" + state.special + ")(\\s+[^>]*)?>", 'i')))) { - tag = matches[1].toLowerCase(); - if (!(this.isBlock('html', tag)) && !(this.isBlock('pre'))) { - this.startBlock('html', key, tag); - } - return false; - } else if (!!(matches = line.match(new RegExp("\\s*$", 'i')))) { - tag = matches[1].toLowerCase(); - if (this.isBlock('html', tag)) { - this.setBlock(key).endBlock(); - } - return false; - } else if (this.isBlock('html')) { - this.setBlock(key); - return false; - } - return true; - }; - - Parser.prototype.parseBlockFootnote = function(block, key, line) { - var matches, space; - if (!!(matches = line.match(/^\[\^((?:[^\]]|\\\]|\\\[)+?)\]:/))) { - space = matches[0].length - 1; - this.startBlock('footnote', key, [space, matches[1]]); - return false; - } - return true; - }; - - Parser.prototype.parseBlockDefinition = function(block, key, line) { - var matches; - if (!!(matches = line.match(/^\s*\[((?:[^\]]|\\\]|\\\[)+?)\]:\s*(.+)$/))) { - this.definitions[matches[1]] = this.cleanUrl(matches[2]); - this.startBlock('definition', key).endBlock(); - return false; - } - return true; - }; - - Parser.prototype.parseBlockQuote = function(block, key, line) { - var matches; - if (!!(matches = line.match(/^(\s*)>/))) { - if ((this.isBlock('list')) && matches[1].length > 0) { - this.setBlock(key); - } else if (this.isBlock('quote')) { - this.setBlock(key); - } else { - this.startBlock('quote', key); - } - return false; - } - return true; - }; - - Parser.prototype.parseBlockTable = function(block, key, line, state, lines) { - var align, aligns, head, j, len, matches, row, rows; - if (!!(matches = line.match(/^((?:(?:(?:\||\+)(?:[ :]*\-+[ :]*)(?:\||\+))|(?:(?:[ :]*\-+[ :]*)(?:\||\+)(?:[ :]*\-+[ :]*))|(?:(?:[ :]*\-+[ :]*)(?:\||\+))|(?:(?:\||\+)(?:[ :]*\-+[ :]*)))+)$/))) { - if (this.isBlock('table')) { - block[3][0].push(block[3][2]); - block[3][2] += 1; - this.setBlock(key, block[3]); - } else { - head = 0; - if ((block == null) || block[0] !== 'normal' || lines[block[2]].match(/^\s*$/)) { - this.startBlock('table', key); - } else { - head = 1; - this.backBlock(1, 'table'); - } - if (matches[1][0] === '|') { - matches[1] = matches[1].substring(1); - if (matches[1][matches[1].length - 1] === '|') { - matches[1] = matches[1].substring(0, matches[1].length - 1); - } - } - rows = matches[1].split(/\+|\|/); - aligns = []; - for (j = 0, len = rows.length; j < len; j++) { - row = rows[j]; - align = 'none'; - if (!!(matches = row.match(/^\s*(:?)\-+(:?)\s*$/))) { - if (!!matches[1] && !!matches[2]) { - align = 'center'; - } else if (!!matches[1]) { - align = 'left'; - } else if (!!matches[2]) { - align = 'right'; - } - } - aligns.push(align); - } - this.setBlock(key, [[head], aligns, head + 1]); - } - return false; - } - return true; - }; - - Parser.prototype.parseBlockSh = function(block, key, line) { - var matches, num; - if (!!(matches = line.match(/^(#+)(.*)$/))) { - num = Math.min(matches[1].length, 6); - this.startBlock('sh', key, num).endBlock(); - return false; - } - return true; - }; - - Parser.prototype.parseBlockMh = function(block, key, line, state, lines) { - var matches; - if (!!(matches = line.match(/^\s*((=|-){2,})\s*$/)) && ((block != null) && block[0] === 'normal' && !lines[block[2]].match(/^\s*$/))) { - if (this.isBlock('normal')) { - this.backBlock(1, 'mh', matches[1][0] === '=' ? 1 : 2).setBlock(key).endBlock(); - } else { - this.startBlock('normal', key); - } - return false; - } - return true; - }; - - Parser.prototype.parseBlockShr = function(block, key, line) { - if (!!(line.match(/^(\* *){3,}\s*$/))) { - this.startBlock('hr', key).endBlock(); - return false; - } - return true; - }; - - Parser.prototype.parseBlockDhr = function(block, key, line) { - if (!!(line.match(/^(- *){3,}\s*$/))) { - this.startBlock('hr', key).endBlock(); - return false; - } - return true; - }; - - Parser.prototype.parseBlockDefault = function(block, key, line, state) { - var matches; - if (this.isBlock('footnote')) { - matches = line.match(/^(\s*)/); - if (matches[1].length >= block[3][0]) { - this.setBlock(key); - } else { - this.startBlock('normal', key); - } - } else if (this.isBlock('table')) { - if (0 <= line.indexOf('|')) { - block[3][2] += 1; - this.setBlock(key, block[3]); - } else { - this.startBlock('normal', key); - } - } else if (this.isBlock('quote')) { - if (!line.match(/^(\s*)$/)) { - this.setBlock(key); - } else { - this.startBlock('normal', key); - } - } else { - if ((block == null) || block[0] !== 'normal') { - this.startBlock('normal', key); - } else { - this.setBlock(key); - } - } - return true; - }; - - Parser.prototype.optimizeBlocks = function(_blocks, _lines) { - var block, blocks, from, isEmpty, key, lines, moved, nextBlock, prevBlock, to, type, types; - blocks = _blocks.slice(0); - lines = _lines.slice(0); - blocks = this.call('beforeOptimizeBlocks', blocks, lines); - key = 0; - while (blocks[key] != null) { - moved = false; - block = blocks[key]; - prevBlock = blocks[key - 1] != null ? blocks[key - 1] : null; - nextBlock = blocks[key + 1] != null ? blocks[key + 1] : null; - type = block[0], from = block[1], to = block[2]; - if ('pre' === type) { - isEmpty = (lines.slice(block[1], block[2] + 1)).reduce(function(result, line) { - return (line.match(/^\s*$/)) && result; - }, true); - if (isEmpty) { - block[0] = type = 'normal'; - } - } - if ('normal' === type) { - types = ['list', 'quote']; - if (from === to && (lines[from].match(/^\s*$/)) && (prevBlock != null) && (nextBlock != null)) { - if (prevBlock[0] === nextBlock[0] && (types.indexOf(prevBlock[0])) >= 0 && (prevBlock[0] !== 'list' || (prevBlock[3][0] === nextBlock[3][0] && prevBlock[3][1] === nextBlock[3][1]))) { - blocks[key - 1] = [prevBlock[0], prevBlock[1], nextBlock[2], prevBlock[3] != null ? prevBlock[3] : null]; - blocks.splice(key, 2); - moved = true; - } - } - } - if (!moved) { - key += 1; - } - } - return this.call('afterOptimizeBlocks', blocks, lines); - }; - - Parser.prototype.parseCode = function(lines, parts, start) { - var blank, count, isEmpty, lang, rel, str; - blank = parts[0], lang = parts[1]; - lang = trim(lang); - count = blank.length; - if (!lang.match(/^[_a-z0-9-\+\#\:\.]+$/i)) { - lang = null; - } else { - parts = lang.split(':'); - if (parts.length > 1) { - lang = parts[0], rel = parts[1]; - lang = trim(lang); - rel = trim(rel); - } - } - isEmpty = true; - lines = lines.slice(1, -1).map(function(line) { - line = line.replace(new RegExp("^[ ]{" + count + "}"), ''); - if (isEmpty && !line.match(/^\s*$/)) { - isEmpty = false; - } - return htmlspecialchars(line); - }); - str = (this.markLines(lines, start + 1)).join("\n"); - if (isEmpty) { - return ''; - } else { - return '
    ' + str + '
    '; - } - }; - - Parser.prototype.parsePre = function(lines, value, start) { - var str; - lines = lines.map(function(line) { - return htmlspecialchars(line.substring(4)); - }); - str = (this.markLines(lines, start)).join("\n"); - if (str.match(/^\s*$/)) { - return ''; - } else { - return '
    ' + str + '
    '; - } - }; - - Parser.prototype.parseAhtml = function(lines, value, start) { - return trim((this.markLines(lines, start)).join("\n")); - }; - - Parser.prototype.parseShtml = function(lines, value, start) { - return trim((this.markLines(lines.slice(1, -1), start + 1)).join("\n")); - }; - - Parser.prototype.parseMath = function(lines, value, start, end) { - return '

    ' + (this.markLine(start, end)) + (htmlspecialchars(lines.join("\n"))) + '

    '; - }; - - Parser.prototype.parseSh = function(lines, num, start, end) { - var line; - line = (this.markLine(start, end)) + this.parseInline(trim(lines[0], '# ')); - if (line.match(/^\s*$/)) { - return ''; - } else { - return "" + line + ""; - } - }; - - Parser.prototype.parseMh = function(lines, num, start, end) { - return this.parseSh(lines, num, start, end); - }; - - Parser.prototype.parseQuote = function(lines, value, start) { - var str; - lines = lines.map(function(line) { - return line.replace(/^\s*> ?/, ''); - }); - str = lines.join("\n"); - if (str.match(/^\s*$/)) { - return ''; - } else { - return '
    ' + (this.parse(str, true, start)) + '
    '; - } - }; - - Parser.prototype.parseList = function(lines, value, start) { - var html, j, key, l, last, len, len1, line, matches, row, rows, space, suffix, tab, type; - html = ''; - space = value[0], type = value[1], tab = value[2]; - rows = []; - suffix = ''; - last = 0; - for (key = j = 0, len = lines.length; j < len; key = ++j) { - line = lines[key]; - if (matches = line.match(new RegExp("^(\\s{" + space + "})((?:[0-9]+\\.?)|\\-|\\+|\\*)(\\s+)(.*)$"))) { - if (type === 'ol' && key === 0) { - start = parseInt(matches[2]); - if (start !== 1) { - suffix = ' start="' + start + '"'; - } - } - rows.push([matches[4]]); - last = rows.length - 1; - } else { - rows[last].push(line.replace(new RegExp("^\\s{" + (tab + space) + "}"), '')); - } - } - for (l = 0, len1 = rows.length; l < len1; l++) { - row = rows[l]; - html += '
  • ' + (this.parse(row.join("\n"), true, start)) + '
    • '; - start += row.length; - } - return "<" + type + suffix + ">" + html + ""; - }; - - Parser.prototype.parseTable = function(lines, value, start) { - var aligns, body, column, columns, head, html, ignores, j, key, l, last, len, len1, line, num, output, row, rows, tag, text; - ignores = value[0], aligns = value[1]; - head = ignores.length > 0 && (ignores.reduce(function(prev, curr) { - return curr + prev; - })) > 0; - html = ''; - body = head ? null : true; - output = false; - for (key = j = 0, len = lines.length; j < len; key = ++j) { - line = lines[key]; - if (0 <= ignores.indexOf(key)) { - if (head && output) { - head = false; - body = true; - } - continue; - } - line = trim(line); - output = true; - if (line[0] === '|') { - line = line.substring(1); - if (line[line.length - 1] === '|') { - line = line.substring(0, line.length - 1); - } - } - rows = line.split('|').map(function(row) { - if (row.match(/^\s*$/)) { - return ' '; - } else { - return trim(row); - } - }); - columns = {}; - last = -1; - for (l = 0, len1 = rows.length; l < len1; l++) { - row = rows[l]; - if (row.length > 0) { - last += 1; - columns[last] = [(columns[last] != null ? columns[last][0] + 1 : 1), row]; - } else if (columns[last] != null) { - columns[last][0] += 1; - } else { - columns[0] = [1, row]; - } - } - if (head) { - html += ''; - } else if (body) { - html += ''; - } - html += ' 1) { - html += " colspan=\"" + num + "\""; - } - if ((aligns[key] != null) && aligns[key] !== 'none') { - html += " align=\"" + aligns[key] + "\""; - } - html += '>' + (this.parseInline(text)) + (""); - } - html += ''; - if (head) { - html += ''; - } else if (body) { - body = false; - } - } - if (body !== null) { - html += ''; - } - return html += '
    '; - }; - - Parser.prototype.parseHr = function(lines, value, start) { - if (this.line) { - return '
    '; - } else { - return '
    '; - } - }; - - Parser.prototype.parseNormal = function(lines, inline, start) { - var key, str; - key = 0; - lines = lines.map((function(_this) { - return function(line) { - line = _this.parseInline(line); - if (!line.match(/^\s*$/)) { - line = (_this.markLine(start + key)) + line; - } - key += 1; - return line; - }; - })(this)); - str = trim(lines.join("\n")); - str = str.replace(/(\n\s*){2,}/g, (function(_this) { - return function() { - inline = false; - return '

    '; - }; - })(this)); - str = str.replace(/\n/g, '
    '); - if (str.match(/^\s*$/)) { - return ''; - } else { - if (inline) { - return str; - } else { - return "

    " + str + "

    "; - } - } - }; - - Parser.prototype.parseFootnote = function(lines, value) { - var index, note, space; - space = value[0], note = value[1]; - index = this.footnotes.indexOf(note); - if (index >= 0) { - lines = lines.slice(0); - lines[0] = lines[0].replace(/^\[\^((?:[^\]]|\]|\[)+?)\]:/, ''); - this.footnotes[index] = lines; - } - return ''; - }; - - Parser.prototype.parseDefinition = function() { - return ''; - }; - - Parser.prototype.parseHtml = function(lines, type, start) { - lines = lines.map((function(_this) { - return function(line) { - return _this.parseInline(line, _this.specialWhiteList[type] != null ? _this.specialWhiteList[type] : ''); - }; - })(this)); - return (this.markLines(lines, start)).join("\n"); - }; - - Parser.prototype.cleanUrl = function(url, parseTitle) { - var matches, pos, title; - if (parseTitle == null) { - parseTitle = false; - } - title = null; - url = trim(url); - if (parseTitle) { - pos = url.indexOf(' '); - if (pos >= 0) { - title = htmlspecialchars(trim(url.substring(pos + 1), ' "\'')); - url = url.substring(0, pos); - } - } - url = url.replace(/["'<>\s]/g, ''); - if (!!(matches = url.match(/^(mailto:)?[_a-z0-9-\.\+]+@[_\w-]+\.[a-z]{2,}$/i))) { - if (matches[1] == null) { - url = 'mailto:' + url; - } - } - if ((url.match(/^\w+:/i)) && !(url.match(/^(https?|mailto):/i))) { - return '#'; - } - if (parseTitle) { - return [url, title]; - } else { - return url; - } - }; - - Parser.prototype.escapeBracket = function(str) { - return str_replace(['\\[', '\\]', '\\(', '\\)'], ['[', ']', '(', ')'], str); - }; - - Parser.prototype.startBlock = function(type, start, value) { - if (value == null) { - value = null; - } - this.pos += 1; - this.current = type; - this.blocks.push([type, start, start, value]); - return this; - }; - - Parser.prototype.endBlock = function() { - this.current = 'normal'; - return this; - }; - - Parser.prototype.isBlock = function(type, value) { - if (value == null) { - value = null; - } - return this.current === type && (null === value ? true : this.blocks[this.pos][3] === value); - }; - - Parser.prototype.getBlock = function() { - if (this.blocks[this.pos] != null) { - return this.blocks[this.pos]; - } else { - return null; - } - }; - - Parser.prototype.setBlock = function(to, value) { - if (to == null) { - to = null; - } - if (value == null) { - value = null; - } - if (to !== null) { - this.blocks[this.pos][2] = to; - } - if (value !== null) { - this.blocks[this.pos][3] = value; - } - return this; - }; - - Parser.prototype.backBlock = function(step, type, value) { - var item, last; - if (value == null) { - value = null; - } - if (this.pos < 0) { - return this.startBlock(type, 0, value); - } - last = this.blocks[this.pos][2]; - this.blocks[this.pos][2] = last - step; - item = [type, last - step + 1, last, value]; - if (this.blocks[this.pos][1] <= this.blocks[this.pos][2]) { - this.pos += 1; - this.blocks.push(item); - } else { - this.blocks[this.pos] = item; - } - this.current = type; - return this; - }; - - Parser.prototype.combineBlock = function() { - var current, prev; - if (this.pos < 1) { - return this; - } - prev = this.blocks[this.pos - 1].slice(0); - current = this.blocks[this.pos].slice(0); - prev[2] = current[2]; - this.blocks[this.pos - 1] = prev; - this.current = prev[0]; - this.blocks = this.blocks.slice(0, -1); - this.pos -= 1; - return this; - }; - return Parser; - })(); + }).call(this); if (typeof module !== "undefined" && module !== null) { module.exports = Parser; diff --git a/var/HyperDown.php b/var/HyperDown.php index 028f51dc..a06a9f40 100644 --- a/var/HyperDown.php +++ b/var/HyperDown.php @@ -385,8 +385,8 @@ class HyperDown "/(^|[^\\\])(`+)(.+?)\\2/", function ($matches) use ($self) { return $matches[1] . $self->makeHolder( - '' . htmlspecialchars($matches[3]) . '' - ); + '' . htmlspecialchars($matches[3]) . '' + ); }, $text ); @@ -396,8 +396,8 @@ class HyperDown "/(^|[^\\\])(\\$+)(.+?)\\2/", function ($matches) use ($self) { return $matches[1] . $self->makeHolder( - $matches[2] . htmlspecialchars($matches[3]) . $matches[2] - ); + $matches[2] . htmlspecialchars($matches[3]) . $matches[2] + ); }, $text ); @@ -416,7 +416,7 @@ class HyperDown // link $text = preg_replace_callback( - "/<(https?:\/\/.+|(?:mailto:)?[_a-z0-9-\.\+]+@[_\w-]+\.[a-z]{2,})>/i", + "/<(https?:\/\/.+|(?:mailto:)?[_a-z0-9-\.\+]+@[_\w-]+(?:\.[a-z]{2,})+)>/i", function ($matches) use ($self) { $url = $self->cleanUrl($matches[1]); $link = $self->call('parseLink', $url); @@ -433,8 +433,8 @@ class HyperDown "/<(\/?)([a-z0-9-]+)(\s+[^>]*)?>/i", function ($matches) use ($self, $whiteList) { if ($self->_html || false !== stripos( - '|' . $self->_commonWhiteList . '|' . $whiteList . '|', '|' . $matches[2] . '|' - )) { + '|' . $self->_commonWhiteList . '|' . $whiteList . '|', '|' . $matches[2] . '|' + )) { return $self->makeHolder($matches[0]); } else { return $self->makeHolder(htmlspecialchars($matches[0])); @@ -541,7 +541,7 @@ class HyperDown // autolink url if ($enableAutoLink) { $text = preg_replace_callback( - "/(^|[^\"])(https?:\/\/(www\.)?[-a-zA-Z0-9@:%._\+~#=]{1,256}\b([-a-zA-Z0-9()@:%_\+.~#?&\/=]*)|(?:mailto:)?[_a-z0-9-\.\+]+@[_\w-]+\.[a-z]{2,})($|[^\"])/", + "/(^|[^\"])(https?:\/\/(www\.)?[-a-zA-Z0-9@:%._\+~#=]{1,256}\b([-a-zA-Z0-9()@:%_\+.~#?&\/=]*)|(?:mailto:)?[_a-z0-9-\.\+]+@[_\w-]+(?:\.[a-z]{2,})+)($|[^\"])/", function ($matches) use ($self) { $url = $self->cleanUrl($matches[2]); $link = $self->call('parseLink', $matches[2]); @@ -1093,7 +1093,7 @@ class HyperDown private function parseBlockMh($block, $key, $line, &$state, $lines) { if (preg_match("/^\s*((=|-){2,})\s*$/", $line, $matches) - && ($block && $block[0] == "normal" && !preg_match("/^\s*$/", $lines[$block[2]]))) { // check if last line isn't empty + && ($block && $block[0] == "normal" && !preg_match("/^\s*$/", $lines[$block[2]]))) { // check if last line isn't empty if ($this->isBlock('normal')) { $this->backBlock(1, 'mh', $matches[1][0] == '=' ? 1 : 2) ->setBlock($key) @@ -1649,7 +1649,7 @@ class HyperDown $url = preg_replace("/[\"'<>\s]/", '', $url); - if (preg_match("/^(mailto:)?[_a-z0-9-\.\+]+@[_\w-]+\.[a-z]{2,}$/i", $url, $matches)) { + if (preg_match("/^(mailto:)?[_a-z0-9-\.\+]+@[_\w-]+(?:\.[a-z]{2,})+$/i", $url, $matches)) { if (empty($matches[1])) { $url = 'mailto:' . $url; }