1 |
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2 |
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3 |
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4 |
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5 |
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6 |
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7 | ;(function() {
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8 |
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9 |
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10 |
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11 |
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12 |
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13 | var block = {
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14 | newline: /^\n+/,
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15 | code: /^( {4}[^\n]+\n*)+/,
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16 | fences: noop,
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17 | hr: /^( *[-*_]){3,} *(?:\n+|$)/,
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18 | heading: /^ *(#{1,6}) *([^\n]+?) *#* *(?:\n+|$)/,
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19 | nptable: noop,
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20 | lheading: /^([^\n]+)\n *(=|-){2,} *(?:\n+|$)/,
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21 | blockquote: /^( *>[^\n]+(\n(?!def)[^\n]+)*\n*)+/,
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22 | list: /^( *)(bull) [\s\S]+?(?:hr|def|\n{2,}(?! )(?!\1bull )\n*|\s*$)/,
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23 | html: /^ *(?:comment *(?:\n|\s*$)|closed *(?:\n{2,}|\s*$)|closing *(?:\n{2,}|\s*$))/,
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24 | def: /^ *\[([^\]]+)\]: *<?([^\s>]+)>?(?: +["(]([^\n]+)[")])? *(?:\n+|$)/,
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25 | table: noop,
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26 | paragraph: /^((?:[^\n]+\n?(?!hr|heading|lheading|blockquote|tag|def))+)\n*/,
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27 | text: /^[^\n]+/
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28 | };
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29 |
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30 | block.bullet = /(?:[*+-]|\d+\.)/;
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31 | block.item = /^( *)(bull) [^\n]*(?:\n(?!\1bull )[^\n]*)*/;
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32 | block.item = replace(block.item, 'gm')
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33 | (/bull/g, block.bullet)
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34 | ();
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35 |
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36 | block.list = replace(block.list)
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37 | (/bull/g, block.bullet)
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38 | ('hr', '\\n+(?=\\1?(?:[-*_] *){3,}(?:\\n+|$))')
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39 | ('def', '\\n+(?=' + block.def.source + ')')
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40 | ();
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41 |
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42 | block.blockquote = replace(block.blockquote)
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43 | ('def', block.def)
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44 | ();
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45 |
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46 | block._tag = '(?!(?:'
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47 | + 'a|em|strong|small|s|cite|q|dfn|abbr|data|time|code'
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48 | + '|var|samp|kbd|sub|sup|i|b|u|mark|ruby|rt|rp|bdi|bdo'
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49 | + '|span|br|wbr|ins|del|img)\\b)\\w+(?!:/|[^\\w\\s@]*@)\\b';
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50 |
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51 | block.html = replace(block.html)
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52 | ('comment', //)
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53 | ('closed', /<(tag)[\s\S]+?<\/\1>/)
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54 | ('closing', /<tag(?:"[^"]*"|'[^']*'|[^'">])*?>/)
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55 | (/tag/g, block._tag)
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56 | ();
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57 |
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58 | block.paragraph = replace(block.paragraph)
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59 | ('hr', block.hr)
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60 | ('heading', block.heading)
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61 | ('lheading', block.lheading)
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62 | ('blockquote', block.blockquote)
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63 | ('tag', '<' + block._tag)
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64 | ('def', block.def)
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65 | ();
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66 |
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67 | /**
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68 | * Normal Block Grammar
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69 | */
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70 |
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71 | block.normal = merge({}, block);
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72 |
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73 | /**
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74 | * GFM Block Grammar
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75 | */
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76 |
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77 | block.gfm = merge({}, block.normal, {
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78 | fences: /^ *(`{3,}|~{3,}) *(\S+)? *\n([\s\S]+?)\s*\1 *(?:\n+|$)/,
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79 | paragraph: /^/
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80 | });
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81 |
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82 | block.gfm.paragraph = replace(block.paragraph)
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83 | ('(?!', '(?!'
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84 | + block.gfm.fences.source.replace('\\1', '\\2') + '|'
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85 | + block.list.source.replace('\\1', '\\3') + '|')
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86 | ();
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87 |
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88 | /**
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89 | * GFM + Tables Block Grammar
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90 | */
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91 |
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92 | block.tables = merge({}, block.gfm, {
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93 | nptable: /^ *(\S.*\|.*)\n *([-:]+ *\|[-| :]*)\n((?:.*\|.*(?:\n|$))*)\n*/,
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94 | table: /^ *\|(.+)\n *\|( *[-:]+[-| :]*)\n((?: *\|.*(?:\n|$))*)\n*/
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95 | });
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96 |
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97 | /**
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98 | * Block Lexer
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99 | */
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100 |
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101 | function Lexer(options) {
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102 | this.tokens = [];
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103 | this.tokens.links = {};
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104 | this.options = options || marked.defaults;
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105 | this.rules = block.normal;
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106 |
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107 | if (this.options.gfm) {
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108 | if (this.options.tables) {
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109 | this.rules = block.tables;
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110 | } else {
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111 | this.rules = block.gfm;
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112 | }
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113 | }
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114 | }
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115 |
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116 | /**
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117 | * Expose Block Rules
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118 | */
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119 |
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120 | Lexer.rules = block;
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121 |
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122 | /**
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123 | * Static Lex Method
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124 | */
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125 |
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126 | Lexer.lex = function(src, options) {
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127 | var lexer = new Lexer(options);
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128 | return lexer.lex(src);
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129 | };
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130 |
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131 | /**
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132 | * Preprocessing
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133 | */
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134 |
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135 | Lexer.prototype.lex = function(src) {
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136 | src = src
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137 | .replace(/\r\n|\r/g, '\n')
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138 | .replace(/\t/g, ' ')
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139 | .replace(/\u00a0/g, ' ')
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140 | .replace(/\u2424/g, '\n');
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141 |
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142 | return this.token(src, true);
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143 | };
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144 |
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145 | /**
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146 | * Lexing
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147 | */
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148 |
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149 | Lexer.prototype.token = function(src, top, bq) {
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150 | var src = src.replace(/^ +$/gm, '')
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151 | , next
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152 | , loose
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153 | , cap
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154 | , bull
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155 | , b
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156 | , item
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157 | , space
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158 | , i
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159 | , l;
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160 |
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161 | while (src) {
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162 | // newline
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163 | if (cap = this.rules.newline.exec(src)) {
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164 | src = src.substring(cap[0].length);
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165 | if (cap[0].length > 1) {
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166 | this.tokens.push({
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167 | type: 'space'
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168 | });
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169 | }
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170 | }
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171 |
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172 | // code
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173 | if (cap = this.rules.code.exec(src)) {
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174 | src = src.substring(cap[0].length);
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175 | cap = cap[0].replace(/^ {4}/gm, '');
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176 | this.tokens.push({
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177 | type: 'code',
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178 | text: !this.options.pedantic
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179 | ? cap.replace(/\n+$/, '')
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180 | : cap
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181 | });
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182 | continue;
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183 | }
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184 |
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185 | // fences (gfm)
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186 | if (cap = this.rules.fences.exec(src)) {
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187 | src = src.substring(cap[0].length);
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188 | this.tokens.push({
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189 | type: 'code',
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190 | lang: cap[2],
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191 | text: cap[3]
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192 | });
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193 | continue;
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194 | }
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195 |
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196 | // heading
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197 | if (cap = this.rules.heading.exec(src)) {
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198 | src = src.substring(cap[0].length);
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199 | this.tokens.push({
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200 | type: 'heading',
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201 | depth: cap[1].length,
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202 | text: cap[2]
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203 | });
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204 | continue;
|
205 | }
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206 |
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207 | // table no leading pipe (gfm)
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208 | if (top && (cap = this.rules.nptable.exec(src))) {
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209 | src = src.substring(cap[0].length);
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210 |
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211 | item = {
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212 | type: 'table',
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213 | header: cap[1].replace(/^ *| *\| *$/g, '').split(/ *\| */),
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214 | align: cap[2].replace(/^ *|\| *$/g, '').split(/ *\| */),
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215 | cells: cap[3].replace(/\n$/, '').split('\n')
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216 | };
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217 |
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218 | for (i = 0; i < item.align.length; i++) {
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219 | if (/^ *-+: *$/.test(item.align[i])) {
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220 | item.align[i] = 'right';
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221 | } else if (/^ *:-+: *$/.test(item.align[i])) {
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222 | item.align[i] = 'center';
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223 | } else if (/^ *:-+ *$/.test(item.align[i])) {
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224 | item.align[i] = 'left';
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225 | } else {
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226 | item.align[i] = null;
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227 | }
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228 | }
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229 |
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230 | for (i = 0; i < item.cells.length; i++) {
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231 | item.cells[i] = item.cells[i].split(/ *\| */);
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232 | }
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233 |
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234 | this.tokens.push(item);
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235 |
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236 | continue;
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237 | }
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238 |
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239 | // lheading
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240 | if (cap = this.rules.lheading.exec(src)) {
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241 | src = src.substring(cap[0].length);
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242 | this.tokens.push({
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243 | type: 'heading',
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244 | depth: cap[2] === '=' ? 1 : 2,
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245 | text: cap[1]
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246 | });
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247 | continue;
|
248 | }
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249 |
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250 | // hr
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251 | if (cap = this.rules.hr.exec(src)) {
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252 | src = src.substring(cap[0].length);
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253 | this.tokens.push({
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254 | type: 'hr'
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255 | });
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256 | continue;
|
257 | }
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258 |
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259 | // blockquote
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260 | if (cap = this.rules.blockquote.exec(src)) {
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261 | src = src.substring(cap[0].length);
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262 |
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263 | this.tokens.push({
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264 | type: 'blockquote_start'
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265 | });
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266 |
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267 | cap = cap[0].replace(/^ *> ?/gm, '');
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268 |
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269 | // Pass `top` to keep the current
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270 | // "toplevel" state. This is exactly
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271 | // how markdown.pl works.
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272 | this.token(cap, top, true);
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273 |
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274 | this.tokens.push({
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275 | type: 'blockquote_end'
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276 | });
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277 |
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278 | continue;
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279 | }
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280 |
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281 | // list
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282 | if (cap = this.rules.list.exec(src)) {
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283 | src = src.substring(cap[0].length);
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284 | bull = cap[2];
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285 |
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286 | this.tokens.push({
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287 | type: 'list_start',
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288 | ordered: bull.length > 1
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289 | });
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290 |
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291 | // Get each top-level item.
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292 | cap = cap[0].match(this.rules.item);
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293 |
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294 | next = false;
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295 | l = cap.length;
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296 | i = 0;
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297 |
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298 | for (; i < l; i++) {
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299 | item = cap[i];
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300 |
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301 | // Remove the list item's bullet
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302 | // so it is seen as the next token.
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303 | space = item.length;
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304 | item = item.replace(/^ *([*+-]|\d+\.) +/, '');
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305 |
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306 | // Outdent whatever the
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307 | // list item contains. Hacky.
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308 | if (~item.indexOf('\n ')) {
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309 | space -= item.length;
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310 | item = !this.options.pedantic
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311 | ? item.replace(new RegExp('^ {1,' + space + '}', 'gm'), '')
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312 | : item.replace(/^ {1,4}/gm, '');
|
313 | }
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314 |
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315 | // Determine whether the next list item belongs here.
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316 | // Backpedal if it does not belong in this list.
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317 | if (this.options.smartLists && i !== l - 1) {
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318 | b = block.bullet.exec(cap[i + 1])[0];
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319 | if (bull !== b && !(bull.length > 1 && b.length > 1)) {
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320 | src = cap.slice(i + 1).join('\n') + src;
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321 | i = l - 1;
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322 | }
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323 | }
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324 |
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325 | // Determine whether item is loose or not.
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326 | // Use: /(^|\n)(?! )[^\n]+\n\n(?!\s*$)/
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327 | // for discount behavior.
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328 | loose = next || /\n\n(?!\s*$)/.test(item);
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329 | if (i !== l - 1) {
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330 | next = item.charAt(item.length - 1) === '\n';
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331 | if (!loose) loose = next;
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332 | }
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333 |
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334 | this.tokens.push({
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335 | type: loose
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336 | ? 'loose_item_start'
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337 | : 'list_item_start'
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338 | });
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339 |
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340 | // Recurse.
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341 | this.token(item, false, bq);
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342 |
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343 | this.tokens.push({
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344 | type: 'list_item_end'
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345 | });
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346 | }
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347 |
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348 | this.tokens.push({
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349 | type: 'list_end'
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350 | });
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351 |
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352 | continue;
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353 | }
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354 |
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355 | // html
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356 | if (cap = this.rules.html.exec(src)) {
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357 | src = src.substring(cap[0].length);
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358 | this.tokens.push({
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359 | type: this.options.sanitize
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360 | ? 'paragraph'
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361 | : 'html',
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362 | pre: cap[1] === 'pre' || cap[1] === 'script' || cap[1] === 'style',
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363 | text: cap[0]
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364 | });
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365 | continue;
|
366 | }
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367 |
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368 | // def
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369 | if ((!bq && top) && (cap = this.rules.def.exec(src))) {
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370 | src = src.substring(cap[0].length);
|
371 | this.tokens.links[cap[1].toLowerCase()] = {
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372 | href: cap[2],
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373 | title: cap[3]
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374 | };
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375 | continue;
|
376 | }
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377 |
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378 | // table (gfm)
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379 | if (top && (cap = this.rules.table.exec(src))) {
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380 | src = src.substring(cap[0].length);
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381 |
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382 | item = {
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383 | type: 'table',
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384 | header: cap[1].replace(/^ *| *\| *$/g, '').split(/ *\| */),
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385 | align: cap[2].replace(/^ *|\| *$/g, '').split(/ *\| */),
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386 | cells: cap[3].replace(/(?: *\| *)?\n$/, '').split('\n')
|
387 | };
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388 |
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389 | for (i = 0; i < item.align.length; i++) {
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390 | if (/^ *-+: *$/.test(item.align[i])) {
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391 | item.align[i] = 'right';
|
392 | } else if (/^ *:-+: *$/.test(item.align[i])) {
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393 | item.align[i] = 'center';
|
394 | } else if (/^ *:-+ *$/.test(item.align[i])) {
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395 | item.align[i] = 'left';
|
396 | } else {
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397 | item.align[i] = null;
|
398 | }
|
399 | }
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400 |
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401 | for (i = 0; i < item.cells.length; i++) {
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402 | item.cells[i] = item.cells[i]
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403 | .replace(/^ *\| *| *\| *$/g, '')
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404 | .split(/ *\| */);
|
405 | }
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406 |
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407 | this.tokens.push(item);
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408 |
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409 | continue;
|
410 | }
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411 |
|
412 | // top-level paragraph
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413 | if (top && (cap = this.rules.paragraph.exec(src))) {
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414 | src = src.substring(cap[0].length);
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415 | this.tokens.push({
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416 | type: 'paragraph',
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417 | text: cap[1].charAt(cap[1].length - 1) === '\n'
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418 | ? cap[1].slice(0, -1)
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419 | : cap[1]
|
420 | });
|
421 | continue;
|
422 | }
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423 |
|
424 | // text
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425 | if (cap = this.rules.text.exec(src)) {
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426 | // Top-level should never reach here.
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427 | src = src.substring(cap[0].length);
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428 | this.tokens.push({
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429 | type: 'text',
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430 | text: cap[0]
|
431 | });
|
432 | continue;
|
433 | }
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434 |
|
435 | if (src) {
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436 | throw new
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437 | Error('Infinite loop on byte: ' + src.charCodeAt(0));
|
438 | }
|
439 | }
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440 |
|
441 | return this.tokens;
|
442 | };
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443 |
|
444 | /**
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445 | * Inline-Level Grammar
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446 | */
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447 |
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448 | var inline = {
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449 | escape: /^\\([\\`*{}\[\]()#+\-.!_>])/,
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450 | autolink: /^<([^ >]+(@|:\/)[^ >]+)>/,
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451 | url: noop,
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452 | tag: /^<!--[\s\S]*?-->|^<\/?\w+(?:"[^"]*"|'[^']*'|[^'">])*?>/,
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453 | link: /^!?\[(inside)\]\(href\)/,
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454 | reflink: /^!?\[(inside)\]\s*\[([^\]]*)\]/,
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455 | nolink: /^!?\[((?:\[[^\]]*\]|[^\[\]])*)\]/,
|
456 | strong: /^__([\s\S]+?)__(?!_)|^\*\*([\s\S]+?)\*\*(?!\*)/,
|
457 | em: /^\b_((?:__|[\s\S])+?)_\b|^\*((?:\*\*|[\s\S])+?)\*(?!\*)/,
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458 | code: /^(`+)\s*([\s\S]*?[^`])\s*\1(?!`)/,
|
459 | br: /^ {2,}\n(?!\s*$)/,
|
460 | del: noop,
|
461 | text: /^[\s\S]+?(?=[\\<!\[_*`]| {2,}\n|$)/
|
462 | };
|
463 |
|
464 | inline._inside = /(?:\[[^\]]*\]|[^\[\]]|\](?=[^\[]*\]))*/;
|
465 | inline._href = /\s*<?([\s\S]*?)>?(?:\s+['"]([\s\S]*?)['"])?\s*/;
|
466 |
|
467 | inline.link = replace(inline.link)
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468 | ('inside', inline._inside)
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469 | ('href', inline._href)
|
470 | ();
|
471 |
|
472 | inline.reflink = replace(inline.reflink)
|
473 | ('inside', inline._inside)
|
474 | ();
|
475 |
|
476 | /**
|
477 | * Normal Inline Grammar
|
478 | */
|
479 |
|
480 | inline.normal = merge({}, inline);
|
481 |
|
482 | /**
|
483 | * Pedantic Inline Grammar
|
484 | */
|
485 |
|
486 | inline.pedantic = merge({}, inline.normal, {
|
487 | strong: /^__(?=\S)([\s\S]*?\S)__(?!_)|^\*\*(?=\S)([\s\S]*?\S)\*\*(?!\*)/,
|
488 | em: /^_(?=\S)([\s\S]*?\S)_(?!_)|^\*(?=\S)([\s\S]*?\S)\*(?!\*)/
|
489 | });
|
490 |
|
491 | /**
|
492 | * GFM Inline Grammar
|
493 | */
|
494 |
|
495 | inline.gfm = merge({}, inline.normal, {
|
496 | escape: replace(inline.escape)('])', '~|])')(),
|
497 | url: /^(https?:\/\/[^\s<]+[^<.,:;"')\]\s])/,
|
498 | del: /^~~(?=\S)([\s\S]*?\S)~~/,
|
499 | text: replace(inline.text)
|
500 | (']|', '~]|')
|
501 | ('|', '|https?://|')
|
502 | ()
|
503 | });
|
504 |
|
505 | /**
|
506 | * GFM + Line Breaks Inline Grammar
|
507 | */
|
508 |
|
509 | inline.breaks = merge({}, inline.gfm, {
|
510 | br: replace(inline.br)('{2,}', '*')(),
|
511 | text: replace(inline.gfm.text)('{2,}', '*')()
|
512 | });
|
513 |
|
514 | /**
|
515 | * Inline Lexer & Compiler
|
516 | */
|
517 |
|
518 | function InlineLexer(links, options) {
|
519 | this.options = options || marked.defaults;
|
520 | this.links = links;
|
521 | this.rules = inline.normal;
|
522 | this.renderer = this.options.renderer || new Renderer;
|
523 | this.renderer.options = this.options;
|
524 |
|
525 | if (!this.links) {
|
526 | throw new
|
527 | Error('Tokens array requires a `links` property.');
|
528 | }
|
529 |
|
530 | if (this.options.gfm) {
|
531 | if (this.options.breaks) {
|
532 | this.rules = inline.breaks;
|
533 | } else {
|
534 | this.rules = inline.gfm;
|
535 | }
|
536 | } else if (this.options.pedantic) {
|
537 | this.rules = inline.pedantic;
|
538 | }
|
539 | }
|
540 |
|
541 | /**
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542 | * Expose Inline Rules
|
543 | */
|
544 |
|
545 | InlineLexer.rules = inline;
|
546 |
|
547 | /**
|
548 | * Static Lexing/Compiling Method
|
549 | */
|
550 |
|
551 | InlineLexer.output = function(src, links, options) {
|
552 | var inline = new InlineLexer(links, options);
|
553 | return inline.output(src);
|
554 | };
|
555 |
|
556 | /**
|
557 | * Lexing/Compiling
|
558 | */
|
559 |
|
560 | InlineLexer.prototype.output = function(src) {
|
561 | var out = ''
|
562 | , link
|
563 | , text
|
564 | , href
|
565 | , cap;
|
566 |
|
567 | while (src) {
|
568 | // escape
|
569 | if (cap = this.rules.escape.exec(src)) {
|
570 | src = src.substring(cap[0].length);
|
571 | out += cap[1];
|
572 | continue;
|
573 | }
|
574 |
|
575 | // autolink
|
576 | if (cap = this.rules.autolink.exec(src)) {
|
577 | src = src.substring(cap[0].length);
|
578 | if (cap[2] === '@') {
|
579 | text = cap[1].charAt(6) === ':'
|
580 | ? this.mangle(cap[1].substring(7))
|
581 | : this.mangle(cap[1]);
|
582 | href = this.mangle('mailto:') + text;
|
583 | } else {
|
584 | text = escape(cap[1]);
|
585 | href = text;
|
586 | }
|
587 | out += this.renderer.link(href, null, text);
|
588 | continue;
|
589 | }
|
590 |
|
591 | // url (gfm)
|
592 | if (!this.inLink && (cap = this.rules.url.exec(src))) {
|
593 | src = src.substring(cap[0].length);
|
594 | text = escape(cap[1]);
|
595 | href = text;
|
596 | out += this.renderer.link(href, null, text);
|
597 | continue;
|
598 | }
|
599 |
|
600 | // tag
|
601 | if (cap = this.rules.tag.exec(src)) {
|
602 | if (!this.inLink && /^<a /i.test(cap[0])) {
|
603 | this.inLink = true;
|
604 | } else if (this.inLink && /^<\/a>/i.test(cap[0])) {
|
605 | this.inLink = false;
|
606 | }
|
607 | src = src.substring(cap[0].length);
|
608 | out += this.options.sanitize
|
609 | ? escape(cap[0])
|
610 | : cap[0];
|
611 | continue;
|
612 | }
|
613 |
|
614 | // link
|
615 | if (cap = this.rules.link.exec(src)) {
|
616 | src = src.substring(cap[0].length);
|
617 | this.inLink = true;
|
618 | out += this.outputLink(cap, {
|
619 | href: cap[2],
|
620 | title: cap[3]
|
621 | });
|
622 | this.inLink = false;
|
623 | continue;
|
624 | }
|
625 |
|
626 | // reflink, nolink
|
627 | if ((cap = this.rules.reflink.exec(src))
|
628 | || (cap = this.rules.nolink.exec(src))) {
|
629 | src = src.substring(cap[0].length);
|
630 | link = (cap[2] || cap[1]).replace(/\s+/g, ' ');
|
631 | link = this.links[link.toLowerCase()];
|
632 | if (!link || !link.href) {
|
633 | out += cap[0].charAt(0);
|
634 | src = cap[0].substring(1) + src;
|
635 | continue;
|
636 | }
|
637 | this.inLink = true;
|
638 | out += this.outputLink(cap, link);
|
639 | this.inLink = false;
|
640 | continue;
|
641 | }
|
642 |
|
643 | // strong
|
644 | if (cap = this.rules.strong.exec(src)) {
|
645 | src = src.substring(cap[0].length);
|
646 | out += this.renderer.strong(this.output(cap[2] || cap[1]));
|
647 | continue;
|
648 | }
|
649 |
|
650 | // em
|
651 | if (cap = this.rules.em.exec(src)) {
|
652 | src = src.substring(cap[0].length);
|
653 | out += this.renderer.em(this.output(cap[2] || cap[1]));
|
654 | continue;
|
655 | }
|
656 |
|
657 | // code
|
658 | if (cap = this.rules.code.exec(src)) {
|
659 | src = src.substring(cap[0].length);
|
660 | out += this.renderer.codespan(escape(cap[2], true));
|
661 | continue;
|
662 | }
|
663 |
|
664 | // br
|
665 | if (cap = this.rules.br.exec(src)) {
|
666 | src = src.substring(cap[0].length);
|
667 | out += this.renderer.br();
|
668 | continue;
|
669 | }
|
670 |
|
671 | // del (gfm)
|
672 | if (cap = this.rules.del.exec(src)) {
|
673 | src = src.substring(cap[0].length);
|
674 | out += this.renderer.del(this.output(cap[1]));
|
675 | continue;
|
676 | }
|
677 |
|
678 | // text
|
679 | if (cap = this.rules.text.exec(src)) {
|
680 | src = src.substring(cap[0].length);
|
681 | out += escape(this.smartypants(cap[0]));
|
682 | continue;
|
683 | }
|
684 |
|
685 | if (src) {
|
686 | throw new
|
687 | Error('Infinite loop on byte: ' + src.charCodeAt(0));
|
688 | }
|
689 | }
|
690 |
|
691 | return out;
|
692 | };
|
693 |
|
694 | /**
|
695 | * Compile Link
|
696 | */
|
697 |
|
698 | InlineLexer.prototype.outputLink = function(cap, link) {
|
699 | var href = escape(link.href)
|
700 | , title = link.title ? escape(link.title) : null;
|
701 |
|
702 | return cap[0].charAt(0) !== '!'
|
703 | ? this.renderer.link(href, title, this.output(cap[1]))
|
704 | : this.renderer.image(href, title, escape(cap[1]));
|
705 | };
|
706 |
|
707 | /**
|
708 | * Smartypants Transformations
|
709 | */
|
710 |
|
711 | InlineLexer.prototype.smartypants = function(text) {
|
712 | if (!this.options.smartypants) return text;
|
713 | return text
|
714 | // em-dashes
|
715 | .replace(/--/g, '\u2014')
|
716 | // opening singles
|
717 | .replace(/(^|[-\u2014/(\[{"\s])'/g, '$1\u2018')
|
718 | // closing singles & apostrophes
|
719 | .replace(/'/g, '\u2019')
|
720 | // opening doubles
|
721 | .replace(/(^|[-\u2014/(\[{\u2018\s])"/g, '$1\u201c')
|
722 | // closing doubles
|
723 | .replace(/"/g, '\u201d')
|
724 | // ellipses
|
725 | .replace(/\.{3}/g, '\u2026');
|
726 | };
|
727 |
|
728 | /**
|
729 | * Mangle Links
|
730 | */
|
731 |
|
732 | InlineLexer.prototype.mangle = function(text) {
|
733 | var out = ''
|
734 | , l = text.length
|
735 | , i = 0
|
736 | , ch;
|
737 |
|
738 | for (; i < l; i++) {
|
739 | ch = text.charCodeAt(i);
|
740 | if (Math.random() > 0.5) {
|
741 | ch = 'x' + ch.toString(16);
|
742 | }
|
743 | out += '&#' + ch + ';';
|
744 | }
|
745 |
|
746 | return out;
|
747 | };
|
748 |
|
749 | /**
|
750 | * Renderer
|
751 | */
|
752 |
|
753 | function Renderer(options) {
|
754 | this.options = options || {};
|
755 | }
|
756 |
|
757 | Renderer.prototype.code = function(code, lang, escaped) {
|
758 | if (this.options.highlight) {
|
759 | var out = this.options.highlight(code, lang);
|
760 | if (out != null && out !== code) {
|
761 | escaped = true;
|
762 | code = out;
|
763 | }
|
764 | }
|
765 |
|
766 | if (!lang) {
|
767 | return '<pre><code>'
|
768 | + (escaped ? code : escape(code, true))
|
769 | + '\n</code></pre>';
|
770 | }
|
771 |
|
772 | return '<pre><code class="'
|
773 | + this.options.langPrefix
|
774 | + escape(lang, true)
|
775 | + '">'
|
776 | + (escaped ? code : escape(code, true))
|
777 | + '\n</code></pre>\n';
|
778 | };
|
779 |
|
780 | Renderer.prototype.blockquote = function(quote) {
|
781 | return '<blockquote>\n' + quote + '</blockquote>\n';
|
782 | };
|
783 |
|
784 | Renderer.prototype.html = function(html) {
|
785 | return html;
|
786 | };
|
787 |
|
788 | Renderer.prototype.heading = function(text, level, raw) {
|
789 | return '<h'
|
790 | + level
|
791 | + ' id="'
|
792 | + this.options.headerPrefix
|
793 | + raw.toLowerCase().replace(/[^\w]+/g, '-')
|
794 | + '">'
|
795 | + text
|
796 | + '</h'
|
797 | + level
|
798 | + '>\n';
|
799 | };
|
800 |
|
801 | Renderer.prototype.hr = function() {
|
802 | return this.options.xhtml ? '<hr/>\n' : '<hr>\n';
|
803 | };
|
804 |
|
805 | Renderer.prototype.list = function(body, ordered) {
|
806 | var type = ordered ? 'ol' : 'ul';
|
807 | return '<' + type + '>\n' + body + '</' + type + '>\n';
|
808 | };
|
809 |
|
810 | Renderer.prototype.listitem = function(text) {
|
811 | return '<li>' + text + '</li>\n';
|
812 | };
|
813 |
|
814 | Renderer.prototype.paragraph = function(text) {
|
815 | return '<p>' + text + '</p>\n';
|
816 | };
|
817 |
|
818 | Renderer.prototype.table = function(header, body) {
|
819 | return '<table>\n'
|
820 | + '<thead>\n'
|
821 | + header
|
822 | + '</thead>\n'
|
823 | + '<tbody>\n'
|
824 | + body
|
825 | + '</tbody>\n'
|
826 | + '</table>\n';
|
827 | };
|
828 |
|
829 | Renderer.prototype.tablerow = function(content) {
|
830 | return '<tr>\n' + content + '</tr>\n';
|
831 | };
|
832 |
|
833 | Renderer.prototype.tablecell = function(content, flags) {
|
834 | var type = flags.header ? 'th' : 'td';
|
835 | var tag = flags.align
|
836 | ? '<' + type + ' style="text-align:' + flags.align + '">'
|
837 | : '<' + type + '>';
|
838 | return tag + content + '</' + type + '>\n';
|
839 | };
|
840 |
|
841 | // span level renderer
|
842 | Renderer.prototype.strong = function(text) {
|
843 | return '<strong>' + text + '</strong>';
|
844 | };
|
845 |
|
846 | Renderer.prototype.em = function(text) {
|
847 | return '<em>' + text + '</em>';
|
848 | };
|
849 |
|
850 | Renderer.prototype.codespan = function(text) {
|
851 | return '<code>' + text + '</code>';
|
852 | };
|
853 |
|
854 | Renderer.prototype.br = function() {
|
855 | return this.options.xhtml ? '<br/>' : '<br>';
|
856 | };
|
857 |
|
858 | Renderer.prototype.del = function(text) {
|
859 | return '<del>' + text + '</del>';
|
860 | };
|
861 |
|
862 | Renderer.prototype.link = function(href, title, text) {
|
863 | if (this.options.sanitize) {
|
864 | try {
|
865 | var prot = decodeURIComponent(unescape(href))
|
866 | .replace(/[^\w:]/g, '')
|
867 | .toLowerCase();
|
868 | } catch (e) {
|
869 | return '';
|
870 | }
|
871 | if (prot.indexOf('javascript:') === 0 || prot.indexOf('vbscript:') === 0) {
|
872 | return '';
|
873 | }
|
874 | }
|
875 | var out = '<a href="' + href + '"';
|
876 | if (title) {
|
877 | out += ' title="' + title + '"';
|
878 | }
|
879 | out += '>' + text + '</a>';
|
880 | return out;
|
881 | };
|
882 |
|
883 | Renderer.prototype.image = function(href, title, text) {
|
884 | var out = '<img src="' + href + '" alt="' + text + '"';
|
885 | if (title) {
|
886 | out += ' title="' + title + '"';
|
887 | }
|
888 | out += this.options.xhtml ? '/>' : '>';
|
889 | return out;
|
890 | };
|
891 |
|
892 | /**
|
893 | * Parsing & Compiling
|
894 | */
|
895 |
|
896 | function Parser(options) {
|
897 | this.tokens = [];
|
898 | this.token = null;
|
899 | this.options = options || marked.defaults;
|
900 | this.options.renderer = this.options.renderer || new Renderer;
|
901 | this.renderer = this.options.renderer;
|
902 | this.renderer.options = this.options;
|
903 | }
|
904 |
|
905 | /**
|
906 | * Static Parse Method
|
907 | */
|
908 |
|
909 | Parser.parse = function(src, options, renderer) {
|
910 | var parser = new Parser(options, renderer);
|
911 | return parser.parse(src);
|
912 | };
|
913 |
|
914 | /**
|
915 | * Parse Loop
|
916 | */
|
917 |
|
918 | Parser.prototype.parse = function(src) {
|
919 | this.inline = new InlineLexer(src.links, this.options, this.renderer);
|
920 | this.tokens = src.reverse();
|
921 |
|
922 | var out = '';
|
923 | while (this.next()) {
|
924 | out += this.tok();
|
925 | }
|
926 |
|
927 | return out;
|
928 | };
|
929 |
|
930 | /**
|
931 | * Next Token
|
932 | */
|
933 |
|
934 | Parser.prototype.next = function() {
|
935 | return this.token = this.tokens.pop();
|
936 | };
|
937 |
|
938 | /**
|
939 | * Preview Next Token
|
940 | */
|
941 |
|
942 | Parser.prototype.peek = function() {
|
943 | return this.tokens[this.tokens.length - 1] || 0;
|
944 | };
|
945 |
|
946 | /**
|
947 | * Parse Text Tokens
|
948 | */
|
949 |
|
950 | Parser.prototype.parseText = function() {
|
951 | var body = this.token.text;
|
952 |
|
953 | while (this.peek().type === 'text') {
|
954 | body += '\n' + this.next().text;
|
955 | }
|
956 |
|
957 | return this.inline.output(body);
|
958 | };
|
959 |
|
960 | /**
|
961 | * Parse Current Token
|
962 | */
|
963 |
|
964 | Parser.prototype.tok = function() {
|
965 | switch (this.token.type) {
|
966 | case 'space': {
|
967 | return '';
|
968 | }
|
969 | case 'hr': {
|
970 | return this.renderer.hr();
|
971 | }
|
972 | case 'heading': {
|
973 | return this.renderer.heading(
|
974 | this.inline.output(this.token.text),
|
975 | this.token.depth,
|
976 | this.token.text);
|
977 | }
|
978 | case 'code': {
|
979 | return this.renderer.code(this.token.text,
|
980 | this.token.lang,
|
981 | this.token.escaped);
|
982 | }
|
983 | case 'table': {
|
984 | var header = ''
|
985 | , body = ''
|
986 | , i
|
987 | , row
|
988 | , cell
|
989 | , flags
|
990 | , j;
|
991 |
|
992 | // header
|
993 | cell = '';
|
994 | for (i = 0; i < this.token.header.length; i++) {
|
995 | flags = { header: true, align: this.token.align[i] };
|
996 | cell += this.renderer.tablecell(
|
997 | this.inline.output(this.token.header[i]),
|
998 | { header: true, align: this.token.align[i] }
|
999 | );
|
1000 | }
|
1001 | header += this.renderer.tablerow(cell);
|
1002 |
|
1003 | for (i = 0; i < this.token.cells.length; i++) {
|
1004 | row = this.token.cells[i];
|
1005 |
|
1006 | cell = '';
|
1007 | for (j = 0; j < row.length; j++) {
|
1008 | cell += this.renderer.tablecell(
|
1009 | this.inline.output(row[j]),
|
1010 | { header: false, align: this.token.align[j] }
|
1011 | );
|
1012 | }
|
1013 |
|
1014 | body += this.renderer.tablerow(cell);
|
1015 | }
|
1016 | return this.renderer.table(header, body);
|
1017 | }
|
1018 | case 'blockquote_start': {
|
1019 | var body = '';
|
1020 |
|
1021 | while (this.next().type !== 'blockquote_end') {
|
1022 | body += this.tok();
|
1023 | }
|
1024 |
|
1025 | return this.renderer.blockquote(body);
|
1026 | }
|
1027 | case 'list_start': {
|
1028 | var body = ''
|
1029 | , ordered = this.token.ordered;
|
1030 |
|
1031 | while (this.next().type !== 'list_end') {
|
1032 | body += this.tok();
|
1033 | }
|
1034 |
|
1035 | return this.renderer.list(body, ordered);
|
1036 | }
|
1037 | case 'list_item_start': {
|
1038 | var body = '';
|
1039 |
|
1040 | while (this.next().type !== 'list_item_end') {
|
1041 | body += this.token.type === 'text'
|
1042 | ? this.parseText()
|
1043 | : this.tok();
|
1044 | }
|
1045 |
|
1046 | return this.renderer.listitem(body);
|
1047 | }
|
1048 | case 'loose_item_start': {
|
1049 | var body = '';
|
1050 |
|
1051 | while (this.next().type !== 'list_item_end') {
|
1052 | body += this.tok();
|
1053 | }
|
1054 |
|
1055 | return this.renderer.listitem(body);
|
1056 | }
|
1057 | case 'html': {
|
1058 | var html = !this.token.pre && !this.options.pedantic
|
1059 | ? this.inline.output(this.token.text)
|
1060 | : this.token.text;
|
1061 | return this.renderer.html(html);
|
1062 | }
|
1063 | case 'paragraph': {
|
1064 | return this.renderer.paragraph(this.inline.output(this.token.text));
|
1065 | }
|
1066 | case 'text': {
|
1067 | return this.renderer.paragraph(this.parseText());
|
1068 | }
|
1069 | }
|
1070 | };
|
1071 |
|
1072 | /**
|
1073 | * Helpers
|
1074 | */
|
1075 |
|
1076 | function escape(html, encode) {
|
1077 | return html
|
1078 | .replace(!encode ? /&(?!#?\w+;)/g : /&/g, '&')
|
1079 | .replace(/</g, '<')
|
1080 | .replace(/>/g, '>')
|
1081 | .replace(/"/g, '"')
|
1082 | .replace(/'/g, ''');
|
1083 | }
|
1084 |
|
1085 | function unescape(html) {
|
1086 | return html.replace(/&([#\w]+);/g, function(_, n) {
|
1087 | n = n.toLowerCase();
|
1088 | if (n === 'colon') return ':';
|
1089 | if (n.charAt(0) === '#') {
|
1090 | return n.charAt(1) === 'x'
|
1091 | ? String.fromCharCode(parseInt(n.substring(2), 16))
|
1092 | : String.fromCharCode(+n.substring(1));
|
1093 | }
|
1094 | return '';
|
1095 | });
|
1096 | }
|
1097 |
|
1098 | function replace(regex, opt) {
|
1099 | regex = regex.source;
|
1100 | opt = opt || '';
|
1101 | return function self(name, val) {
|
1102 | if (!name) return new RegExp(regex, opt);
|
1103 | val = val.source || val;
|
1104 | val = val.replace(/(^|[^\[])\^/g, '$1');
|
1105 | regex = regex.replace(name, val);
|
1106 | return self;
|
1107 | };
|
1108 | }
|
1109 |
|
1110 | function noop() {}
|
1111 | noop.exec = noop;
|
1112 |
|
1113 | function merge(obj) {
|
1114 | var i = 1
|
1115 | , target
|
1116 | , key;
|
1117 |
|
1118 | for (; i < arguments.length; i++) {
|
1119 | target = arguments[i];
|
1120 | for (key in target) {
|
1121 | if (Object.prototype.hasOwnProperty.call(target, key)) {
|
1122 | obj[key] = target[key];
|
1123 | }
|
1124 | }
|
1125 | }
|
1126 |
|
1127 | return obj;
|
1128 | }
|
1129 |
|
1130 |
|
1131 | /**
|
1132 | * Marked
|
1133 | */
|
1134 |
|
1135 | function marked(src, opt, callback) {
|
1136 | if (callback || typeof opt === 'function') {
|
1137 | if (!callback) {
|
1138 | callback = opt;
|
1139 | opt = null;
|
1140 | }
|
1141 |
|
1142 | opt = merge({}, marked.defaults, opt || {});
|
1143 |
|
1144 | var highlight = opt.highlight
|
1145 | , tokens
|
1146 | , pending
|
1147 | , i = 0;
|
1148 |
|
1149 | try {
|
1150 | tokens = Lexer.lex(src, opt)
|
1151 | } catch (e) {
|
1152 | return callback(e);
|
1153 | }
|
1154 |
|
1155 | pending = tokens.length;
|
1156 |
|
1157 | var done = function(err) {
|
1158 | if (err) {
|
1159 | opt.highlight = highlight;
|
1160 | return callback(err);
|
1161 | }
|
1162 |
|
1163 | var out;
|
1164 |
|
1165 | try {
|
1166 | out = Parser.parse(tokens, opt);
|
1167 | } catch (e) {
|
1168 | err = e;
|
1169 | }
|
1170 |
|
1171 | opt.highlight = highlight;
|
1172 |
|
1173 | return err
|
1174 | ? callback(err)
|
1175 | : callback(null, out);
|
1176 | };
|
1177 |
|
1178 | if (!highlight || highlight.length < 3) {
|
1179 | return done();
|
1180 | }
|
1181 |
|
1182 | delete opt.highlight;
|
1183 |
|
1184 | if (!pending) return done();
|
1185 |
|
1186 | for (; i < tokens.length; i++) {
|
1187 | (function(token) {
|
1188 | if (token.type !== 'code') {
|
1189 | return --pending || done();
|
1190 | }
|
1191 | return highlight(token.text, token.lang, function(err, code) {
|
1192 | if (err) return done(err);
|
1193 | if (code == null || code === token.text) {
|
1194 | return --pending || done();
|
1195 | }
|
1196 | token.text = code;
|
1197 | token.escaped = true;
|
1198 | --pending || done();
|
1199 | });
|
1200 | })(tokens[i]);
|
1201 | }
|
1202 |
|
1203 | return;
|
1204 | }
|
1205 | try {
|
1206 | if (opt) opt = merge({}, marked.defaults, opt);
|
1207 | return Parser.parse(Lexer.lex(src, opt), opt);
|
1208 | } catch (e) {
|
1209 | e.message += '\nPlease report this to https://github.com/chjj/marked.';
|
1210 | if ((opt || marked.defaults).silent) {
|
1211 | return '<p>An error occured:</p><pre>'
|
1212 | + escape(e.message + '', true)
|
1213 | + '</pre>';
|
1214 | }
|
1215 | throw e;
|
1216 | }
|
1217 | }
|
1218 |
|
1219 | /**
|
1220 | * Options
|
1221 | */
|
1222 |
|
1223 | marked.options =
|
1224 | marked.setOptions = function(opt) {
|
1225 | merge(marked.defaults, opt);
|
1226 | return marked;
|
1227 | };
|
1228 |
|
1229 | marked.defaults = {
|
1230 | gfm: true,
|
1231 | tables: true,
|
1232 | breaks: false,
|
1233 | pedantic: false,
|
1234 | sanitize: false,
|
1235 | smartLists: false,
|
1236 | silent: false,
|
1237 | highlight: null,
|
1238 | langPrefix: 'lang-',
|
1239 | smartypants: false,
|
1240 | headerPrefix: '',
|
1241 | renderer: new Renderer,
|
1242 | xhtml: false
|
1243 | };
|
1244 |
|
1245 | /**
|
1246 | * Expose
|
1247 | */
|
1248 |
|
1249 | marked.Parser = Parser;
|
1250 | marked.parser = Parser.parse;
|
1251 |
|
1252 | marked.Renderer = Renderer;
|
1253 |
|
1254 | marked.Lexer = Lexer;
|
1255 | marked.lexer = Lexer.lex;
|
1256 |
|
1257 | marked.InlineLexer = InlineLexer;
|
1258 | marked.inlineLexer = InlineLexer.output;
|
1259 |
|
1260 | marked.parse = marked;
|
1261 |
|
1262 | if (typeof module !== 'undefined' && typeof exports === 'object') {
|
1263 | module.exports = marked;
|
1264 | } else if (typeof define === 'function' && define.amd) {
|
1265 | define(function() { return marked; });
|
1266 | } else {
|
1267 | this.marked = marked;
|
1268 | }
|
1269 |
|
1270 | }).call(function() {
|
1271 | return this || (typeof window !== 'undefined' ? window : global);
|
1272 | }());
|