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 | var _self = (typeof window !== 'undefined')
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7 | ? window
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8 | : (
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9 | (typeof WorkerGlobalScope !== 'undefined' && self instanceof WorkerGlobalScope)
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10 | ? self
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11 | : {}
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12 | );
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13 |
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14 |
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15 |
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16 |
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17 |
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18 |
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19 |
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20 | var Prism = (function(){
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21 |
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22 |
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23 | var lang = /\blang(?:uage)?-([\w-]+)\b/i;
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24 | var uniqueId = 0;
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25 |
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26 | var _ = _self.Prism = {
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27 | manual: _self.Prism && _self.Prism.manual,
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28 | disableWorkerMessageHandler: _self.Prism && _self.Prism.disableWorkerMessageHandler,
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29 | util: {
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30 | encode: function (tokens) {
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31 | if (tokens instanceof Token) {
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32 | return new Token(tokens.type, _.util.encode(tokens.content), tokens.alias);
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33 | } else if (_.util.type(tokens) === 'Array') {
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34 | return tokens.map(_.util.encode);
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35 | } else {
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36 | return tokens.replace(/&/g, '&').replace(/</g, '<').replace(/\u00a0/g, ' ');
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37 | }
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38 | },
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39 |
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40 | type: function (o) {
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41 | return Object.prototype.toString.call(o).match(/\[object (\w+)\]/)[1];
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42 | },
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43 |
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44 | objId: function (obj) {
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45 | if (!obj['__id']) {
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46 | Object.defineProperty(obj, '__id', { value: ++uniqueId });
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47 | }
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48 | return obj['__id'];
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49 | },
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50 |
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51 |
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52 | clone: function (o, visited) {
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53 | var type = _.util.type(o);
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54 | visited = visited || {};
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55 |
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56 | switch (type) {
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57 | case 'Object':
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58 | if (visited[_.util.objId(o)]) {
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59 | return visited[_.util.objId(o)];
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60 | }
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61 | var clone = {};
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62 | visited[_.util.objId(o)] = clone;
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63 |
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64 | for (var key in o) {
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65 | if (o.hasOwnProperty(key)) {
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66 | clone[key] = _.util.clone(o[key], visited);
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67 | }
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68 | }
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69 |
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70 | return clone;
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71 |
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72 | case 'Array':
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73 | if (visited[_.util.objId(o)]) {
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74 | return visited[_.util.objId(o)];
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75 | }
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76 | var clone = [];
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77 | visited[_.util.objId(o)] = clone;
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78 |
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79 | o.forEach(function (v, i) {
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80 | clone[i] = _.util.clone(v, visited);
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81 | });
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82 |
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83 | return clone;
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84 | }
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85 |
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86 | return o;
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87 | }
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88 | },
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89 |
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90 | languages: {
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91 | extend: function (id, redef) {
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92 | var lang = _.util.clone(_.languages[id]);
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93 |
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94 | for (var key in redef) {
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95 | lang[key] = redef[key];
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96 | }
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97 |
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98 | return lang;
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99 | },
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100 |
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101 | |
102 |
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103 |
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104 |
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105 |
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106 |
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107 |
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108 |
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109 |
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110 | insertBefore: function (inside, before, insert, root) {
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111 | root = root || _.languages;
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112 | var grammar = root[inside];
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113 |
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114 | if (arguments.length == 2) {
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115 | insert = arguments[1];
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116 |
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117 | for (var newToken in insert) {
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118 | if (insert.hasOwnProperty(newToken)) {
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119 | grammar[newToken] = insert[newToken];
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120 | }
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121 | }
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122 |
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123 | return grammar;
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124 | }
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125 |
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126 | var ret = {};
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127 |
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128 | for (var token in grammar) {
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129 |
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130 | if (grammar.hasOwnProperty(token)) {
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131 |
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132 | if (token == before) {
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133 |
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134 | for (var newToken in insert) {
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135 |
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136 | if (insert.hasOwnProperty(newToken)) {
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137 | ret[newToken] = insert[newToken];
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138 | }
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139 | }
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140 | }
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141 |
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142 | ret[token] = grammar[token];
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143 | }
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144 | }
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145 |
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146 |
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147 | _.languages.DFS(_.languages, function(key, value) {
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148 | if (value === root[inside] && key != inside) {
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149 | this[key] = ret;
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150 | }
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151 | });
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152 |
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153 | return root[inside] = ret;
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154 | },
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155 |
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156 |
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157 | DFS: function(o, callback, type, visited) {
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158 | visited = visited || {};
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159 | for (var i in o) {
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160 | if (o.hasOwnProperty(i)) {
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161 | callback.call(o, i, o[i], type || i);
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162 |
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163 | if (_.util.type(o[i]) === 'Object' && !visited[_.util.objId(o[i])]) {
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164 | visited[_.util.objId(o[i])] = true;
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165 | _.languages.DFS(o[i], callback, null, visited);
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166 | }
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167 | else if (_.util.type(o[i]) === 'Array' && !visited[_.util.objId(o[i])]) {
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168 | visited[_.util.objId(o[i])] = true;
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169 | _.languages.DFS(o[i], callback, i, visited);
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170 | }
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171 | }
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172 | }
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173 | }
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174 | },
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175 | plugins: {},
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176 |
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177 | highlightAll: function(async, callback) {
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178 | _.highlightAllUnder(document, async, callback);
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179 | },
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180 |
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181 | highlightAllUnder: function(container, async, callback) {
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182 | var env = {
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183 | callback: callback,
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184 | selector: 'code[class*="language-"], [class*="language-"] code, code[class*="lang-"], [class*="lang-"] code'
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185 | };
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186 |
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187 | _.hooks.run("before-highlightall", env);
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188 |
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189 | var elements = env.elements || container.querySelectorAll(env.selector);
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190 |
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191 | for (var i=0, element; element = elements[i++];) {
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192 | _.highlightElement(element, async === true, env.callback);
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193 | }
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194 | },
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195 |
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196 | highlightElement: function(element, async, callback) {
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197 |
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198 | var language, grammar, parent = element;
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199 |
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200 | while (parent && !lang.test(parent.className)) {
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201 | parent = parent.parentNode;
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202 | }
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203 |
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204 | if (parent) {
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205 | language = (parent.className.match(lang) || [,''])[1].toLowerCase();
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206 | grammar = _.languages[language];
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207 | }
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208 |
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209 |
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210 | element.className = element.className.replace(lang, '').replace(/\s+/g, ' ') + ' language-' + language;
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211 |
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212 | if (element.parentNode) {
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213 |
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214 | parent = element.parentNode;
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215 |
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216 | if (/pre/i.test(parent.nodeName)) {
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217 | parent.className = parent.className.replace(lang, '').replace(/\s+/g, ' ') + ' language-' + language;
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218 | }
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219 | }
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220 |
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221 | var code = element.textContent;
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222 |
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223 | var env = {
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224 | element: element,
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225 | language: language,
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226 | grammar: grammar,
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227 | code: code
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228 | };
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229 |
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230 | _.hooks.run('before-sanity-check', env);
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231 |
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232 | if (!env.code || !env.grammar) {
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233 | if (env.code) {
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234 | _.hooks.run('before-highlight', env);
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235 | env.element.textContent = env.code;
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236 | _.hooks.run('after-highlight', env);
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237 | }
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238 | _.hooks.run('complete', env);
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239 | return;
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240 | }
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241 |
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242 | _.hooks.run('before-highlight', env);
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243 |
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244 | if (async && _self.Worker) {
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245 | var worker = new Worker(_.filename);
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246 |
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247 | worker.onmessage = function(evt) {
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248 | env.highlightedCode = evt.data;
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249 |
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250 | _.hooks.run('before-insert', env);
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251 |
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252 | env.element.innerHTML = env.highlightedCode;
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253 |
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254 | callback && callback.call(env.element);
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255 | _.hooks.run('after-highlight', env);
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256 | _.hooks.run('complete', env);
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257 | };
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258 |
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259 | worker.postMessage(JSON.stringify({
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260 | language: env.language,
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261 | code: env.code,
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262 | immediateClose: true
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263 | }));
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264 | }
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265 | else {
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266 | env.highlightedCode = _.highlight(env.code, env.grammar, env.language);
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267 |
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268 | _.hooks.run('before-insert', env);
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269 |
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270 | env.element.innerHTML = env.highlightedCode;
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271 |
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272 | callback && callback.call(element);
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273 |
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274 | _.hooks.run('after-highlight', env);
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275 | _.hooks.run('complete', env);
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276 | }
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277 | },
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278 |
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279 | highlight: function (text, grammar, language) {
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280 | var env = {
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281 | code: text,
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282 | grammar: grammar,
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283 | language: language
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284 | };
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285 | _.hooks.run('before-tokenize', env);
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286 | env.tokens = _.tokenize(env.code, env.grammar);
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287 | _.hooks.run('after-tokenize', env);
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288 | return Token.stringify(_.util.encode(env.tokens), env.language);
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289 | },
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290 |
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291 | matchGrammar: function (text, strarr, grammar, index, startPos, oneshot, target) {
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292 | var Token = _.Token;
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293 |
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294 | for (var token in grammar) {
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295 | if(!grammar.hasOwnProperty(token) || !grammar[token]) {
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296 | continue;
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297 | }
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298 |
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299 | if (token == target) {
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300 | return;
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301 | }
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302 |
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303 | var patterns = grammar[token];
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304 | patterns = (_.util.type(patterns) === "Array") ? patterns : [patterns];
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305 |
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306 | for (var j = 0; j < patterns.length; ++j) {
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307 | var pattern = patterns[j],
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308 | inside = pattern.inside,
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309 | lookbehind = !!pattern.lookbehind,
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310 | greedy = !!pattern.greedy,
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311 | lookbehindLength = 0,
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312 | alias = pattern.alias;
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313 |
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314 | if (greedy && !pattern.pattern.global) {
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315 |
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316 | var flags = pattern.pattern.toString().match(/[imuy]*$/)[0];
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317 | pattern.pattern = RegExp(pattern.pattern.source, flags + "g");
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318 | }
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319 |
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320 | pattern = pattern.pattern || pattern;
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321 |
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322 |
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323 | for (var i = index, pos = startPos; i < strarr.length; pos += strarr[i].length, ++i) {
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324 |
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325 | var str = strarr[i];
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326 |
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327 | if (strarr.length > text.length) {
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328 |
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329 | return;
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330 | }
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331 |
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332 | if (str instanceof Token) {
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333 | continue;
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334 | }
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335 |
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336 | if (greedy && i != strarr.length - 1) {
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337 | pattern.lastIndex = pos;
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338 | var match = pattern.exec(text);
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339 | if (!match) {
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340 | break;
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341 | }
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342 |
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343 | var from = match.index + (lookbehind ? match[1].length : 0),
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344 | to = match.index + match[0].length,
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345 | k = i,
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346 | p = pos;
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347 |
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348 | for (var len = strarr.length; k < len && (p < to || (!strarr[k].type && !strarr[k - 1].greedy)); ++k) {
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349 | p += strarr[k].length;
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350 |
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351 | if (from >= p) {
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352 | ++i;
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353 | pos = p;
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354 | }
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355 | }
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356 |
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357 |
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358 | if (strarr[i] instanceof Token) {
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359 | continue;
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360 | }
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361 |
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362 |
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363 | delNum = k - i;
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364 | str = text.slice(pos, p);
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365 | match.index -= pos;
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366 | } else {
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367 | pattern.lastIndex = 0;
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368 |
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369 | var match = pattern.exec(str),
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370 | delNum = 1;
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371 | }
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372 |
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373 | if (!match) {
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374 | if (oneshot) {
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375 | break;
|
376 | }
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377 |
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378 | continue;
|
379 | }
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380 |
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381 | if(lookbehind) {
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382 | lookbehindLength = match[1] ? match[1].length : 0;
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383 | }
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384 |
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385 | var from = match.index + lookbehindLength,
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386 | match = match[0].slice(lookbehindLength),
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387 | to = from + match.length,
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388 | before = str.slice(0, from),
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389 | after = str.slice(to);
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390 |
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391 | var args = [i, delNum];
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392 |
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393 | if (before) {
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394 | ++i;
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395 | pos += before.length;
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396 | args.push(before);
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397 | }
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398 |
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399 | var wrapped = new Token(token, inside? _.tokenize(match, inside) : match, alias, match, greedy);
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400 |
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401 | args.push(wrapped);
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402 |
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403 | if (after) {
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404 | args.push(after);
|
405 | }
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406 |
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407 | Array.prototype.splice.apply(strarr, args);
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408 |
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409 | if (delNum != 1)
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410 | _.matchGrammar(text, strarr, grammar, i, pos, true, token);
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411 |
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412 | if (oneshot)
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413 | break;
|
414 | }
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415 | }
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416 | }
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417 | },
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418 |
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419 | tokenize: function(text, grammar, language) {
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420 | var strarr = [text];
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421 |
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422 | var rest = grammar.rest;
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423 |
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424 | if (rest) {
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425 | for (var token in rest) {
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426 | grammar[token] = rest[token];
|
427 | }
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428 |
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429 | delete grammar.rest;
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430 | }
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431 |
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432 | _.matchGrammar(text, strarr, grammar, 0, 0, false);
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433 |
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434 | return strarr;
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435 | },
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436 |
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437 | hooks: {
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438 | all: {},
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439 |
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440 | add: function (name, callback) {
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441 | var hooks = _.hooks.all;
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442 |
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443 | hooks[name] = hooks[name] || [];
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444 |
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445 | hooks[name].push(callback);
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446 | },
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447 |
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448 | run: function (name, env) {
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449 | var callbacks = _.hooks.all[name];
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450 |
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451 | if (!callbacks || !callbacks.length) {
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452 | return;
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453 | }
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454 |
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455 | for (var i=0, callback; callback = callbacks[i++];) {
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456 | callback(env);
|
457 | }
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458 | }
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459 | }
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460 | };
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461 |
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462 | var Token = _.Token = function(type, content, alias, matchedStr, greedy) {
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463 | this.type = type;
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464 | this.content = content;
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465 | this.alias = alias;
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466 |
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467 | this.length = (matchedStr || "").length|0;
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468 | this.greedy = !!greedy;
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469 | };
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470 |
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471 | Token.stringify = function(o, language, parent) {
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472 | if (typeof o == 'string') {
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473 | return o;
|
474 | }
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475 |
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476 | if (_.util.type(o) === 'Array') {
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477 | return o.map(function(element) {
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478 | return Token.stringify(element, language, o);
|
479 | }).join('');
|
480 | }
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481 |
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482 | var env = {
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483 | type: o.type,
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484 | content: Token.stringify(o.content, language, parent),
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485 | tag: 'span',
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486 | classes: ['token', o.type],
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487 | attributes: {},
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488 | language: language,
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489 | parent: parent
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490 | };
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491 |
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492 | if (o.alias) {
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493 | var aliases = _.util.type(o.alias) === 'Array' ? o.alias : [o.alias];
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494 | Array.prototype.push.apply(env.classes, aliases);
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495 | }
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496 |
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497 | _.hooks.run('wrap', env);
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498 |
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499 | var attributes = Object.keys(env.attributes).map(function(name) {
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500 | return name + '="' + (env.attributes[name] || '').replace(/"/g, '"') + '"';
|
501 | }).join(' ');
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502 |
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503 | return '<' + env.tag + ' class="' + env.classes.join(' ') + '"' + (attributes ? ' ' + attributes : '') + '>' + env.content + '</' + env.tag + '>';
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504 |
|
505 | };
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506 |
|
507 | if (!_self.document) {
|
508 | if (!_self.addEventListener) {
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509 |
|
510 | return _self.Prism;
|
511 | }
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512 |
|
513 | if (!_.disableWorkerMessageHandler) {
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514 |
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515 | _self.addEventListener('message', function (evt) {
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516 | var message = JSON.parse(evt.data),
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517 | lang = message.language,
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518 | code = message.code,
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519 | immediateClose = message.immediateClose;
|
520 |
|
521 | _self.postMessage(_.highlight(code, _.languages[lang], lang));
|
522 | if (immediateClose) {
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523 | _self.close();
|
524 | }
|
525 | }, false);
|
526 | }
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527 |
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528 | return _self.Prism;
|
529 | }
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530 |
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531 |
|
532 | var script = document.currentScript || [].slice.call(document.getElementsByTagName("script")).pop();
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533 |
|
534 | if (script) {
|
535 | _.filename = script.src;
|
536 |
|
537 | if (!_.manual && !script.hasAttribute('data-manual')) {
|
538 | if(document.readyState !== "loading") {
|
539 | if (window.requestAnimationFrame) {
|
540 | window.requestAnimationFrame(_.highlightAll);
|
541 | } else {
|
542 | window.setTimeout(_.highlightAll, 16);
|
543 | }
|
544 | }
|
545 | else {
|
546 | document.addEventListener('DOMContentLoaded', _.highlightAll);
|
547 | }
|
548 | }
|
549 | }
|
550 |
|
551 | return _self.Prism;
|
552 |
|
553 | })();
|
554 |
|
555 | if (typeof module !== 'undefined' && module.exports) {
|
556 | module.exports = Prism;
|
557 | }
|
558 |
|
559 |
|
560 | if (typeof global !== 'undefined') {
|
561 | global.Prism = Prism;
|
562 | }
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563 |
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564 |
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565 |
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566 |
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567 |
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568 |
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569 | Prism.languages.markup = {
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570 | 'comment': /<!--[\s\S]*?-->/,
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571 | 'prolog': /<\?[\s\S]+?\?>/,
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572 | 'doctype': /<!DOCTYPE[\s\S]+?>/i,
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573 | 'cdata': /<!\[CDATA\[[\s\S]*?]]>/i,
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574 | 'tag': {
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575 | pattern: /<\/?(?!\d)[^\s>\/=$<%]+(?:\s+[^\s>\/=]+(?:=(?:("|')(?:\\[\s\S]|(?!\1)[^\\])*\1|[^\s'">=]+))?)*\s*\/?>/i,
|
576 | greedy: true,
|
577 | inside: {
|
578 | 'tag': {
|
579 | pattern: /^<\/?[^\s>\/]+/i,
|
580 | inside: {
|
581 | 'punctuation': /^<\/?/,
|
582 | 'namespace': /^[^\s>\/:]+:/
|
583 | }
|
584 | },
|
585 | 'attr-value': {
|
586 | pattern: /=(?:("|')(?:\\[\s\S]|(?!\1)[^\\])*\1|[^\s'">=]+)/i,
|
587 | inside: {
|
588 | 'punctuation': [
|
589 | /^=/,
|
590 | {
|
591 | pattern: /(^|[^\\])["']/,
|
592 | lookbehind: true
|
593 | }
|
594 | ]
|
595 | }
|
596 | },
|
597 | 'punctuation': /\/?>/,
|
598 | 'attr-name': {
|
599 | pattern: /[^\s>\/]+/,
|
600 | inside: {
|
601 | 'namespace': /^[^\s>\/:]+:/
|
602 | }
|
603 | }
|
604 |
|
605 | }
|
606 | },
|
607 | 'entity': /&#?[\da-z]{1,8};/i
|
608 | };
|
609 |
|
610 | Prism.languages.markup['tag'].inside['attr-value'].inside['entity'] =
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611 | Prism.languages.markup['entity'];
|
612 |
|
613 |
|
614 | Prism.hooks.add('wrap', function(env) {
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615 |
|
616 | if (env.type === 'entity') {
|
617 | env.attributes['title'] = env.content.replace(/&/, '&');
|
618 | }
|
619 | });
|
620 |
|
621 | Prism.languages.xml = Prism.languages.markup;
|
622 | Prism.languages.html = Prism.languages.markup;
|
623 | Prism.languages.mathml = Prism.languages.markup;
|
624 | Prism.languages.svg = Prism.languages.markup;
|
625 |
|
626 |
|
627 |
|
628 |
|
629 |
|
630 |
|
631 | Prism.languages.css = {
|
632 | 'comment': /\/\*[\s\S]*?\*\//,
|
633 | 'atrule': {
|
634 | pattern: /@[\w-]+?.*?(?:;|(?=\s*\{))/i,
|
635 | inside: {
|
636 | 'rule': /@[\w-]+/
|
637 |
|
638 | }
|
639 | },
|
640 | 'url': /url\((?:(["'])(?:\\(?:\r\n|[\s\S])|(?!\1)[^\\\r\n])*\1|.*?)\)/i,
|
641 | 'selector': /[^{}\s][^{};]*?(?=\s*\{)/,
|
642 | 'string': {
|
643 | pattern: /("|')(?:\\(?:\r\n|[\s\S])|(?!\1)[^\\\r\n])*\1/,
|
644 | greedy: true
|
645 | },
|
646 | 'property': /[-_a-z\xA0-\uFFFF][-\w\xA0-\uFFFF]*(?=\s*:)/i,
|
647 | 'important': /\B!important\b/i,
|
648 | 'function': /[-a-z0-9]+(?=\()/i,
|
649 | 'punctuation': /[(){};:]/
|
650 | };
|
651 |
|
652 | Prism.languages.css['atrule'].inside.rest = Prism.languages.css;
|
653 |
|
654 | if (Prism.languages.markup) {
|
655 | Prism.languages.insertBefore('markup', 'tag', {
|
656 | 'style': {
|
657 | pattern: /(<style[\s\S]*?>)[\s\S]*?(?=<\/style>)/i,
|
658 | lookbehind: true,
|
659 | inside: Prism.languages.css,
|
660 | alias: 'language-css',
|
661 | greedy: true
|
662 | }
|
663 | });
|
664 |
|
665 | Prism.languages.insertBefore('inside', 'attr-value', {
|
666 | 'style-attr': {
|
667 | pattern: /\s*style=("|')(?:\\[\s\S]|(?!\1)[^\\])*\1/i,
|
668 | inside: {
|
669 | 'attr-name': {
|
670 | pattern: /^\s*style/i,
|
671 | inside: Prism.languages.markup.tag.inside
|
672 | },
|
673 | 'punctuation': /^\s*=\s*['"]|['"]\s*$/,
|
674 | 'attr-value': {
|
675 | pattern: /.+/i,
|
676 | inside: Prism.languages.css
|
677 | }
|
678 | },
|
679 | alias: 'language-css'
|
680 | }
|
681 | }, Prism.languages.markup.tag);
|
682 | }
|
683 |
|
684 |
|
685 |
|
686 |
|
687 |
|
688 | Prism.languages.clike = {
|
689 | 'comment': [
|
690 | {
|
691 | pattern: /(^|[^\\])\/\*[\s\S]*?(?:\*\/|$)/,
|
692 | lookbehind: true
|
693 | },
|
694 | {
|
695 | pattern: /(^|[^\\:])\/\/.*/,
|
696 | lookbehind: true,
|
697 | greedy: true
|
698 | }
|
699 | ],
|
700 | 'string': {
|
701 | pattern: /(["'])(?:\\(?:\r\n|[\s\S])|(?!\1)[^\\\r\n])*\1/,
|
702 | greedy: true
|
703 | },
|
704 | 'class-name': {
|
705 | pattern: /((?:\b(?:class|interface|extends|implements|trait|instanceof|new)\s+)|(?:catch\s+\())[\w.\\]+/i,
|
706 | lookbehind: true,
|
707 | inside: {
|
708 | punctuation: /[.\\]/
|
709 | }
|
710 | },
|
711 | 'keyword': /\b(?:if|else|while|do|for|return|in|instanceof|function|new|try|throw|catch|finally|null|break|continue)\b/,
|
712 | 'boolean': /\b(?:true|false)\b/,
|
713 | 'function': /[a-z0-9_]+(?=\()/i,
|
714 | 'number': /\b0x[\da-f]+\b|(?:\b\d+\.?\d*|\B\.\d+)(?:e[+-]?\d+)?/i,
|
715 | 'operator': /--?|\+\+?|!=?=?|<=?|>=?|==?=?|&&?|\|\|?|\?|\*|\/|~|\^|%/,
|
716 | 'punctuation': /[{}[\];(),.:]/
|
717 | };
|
718 |
|
719 |
|
720 |
|
721 |
|
722 |
|
723 |
|
724 | Prism.languages.javascript = Prism.languages.extend('clike', {
|
725 | 'keyword': /\b(?:as|async|await|break|case|catch|class|const|continue|debugger|default|delete|do|else|enum|export|extends|finally|for|from|function|get|if|implements|import|in|instanceof|interface|let|new|null|of|package|private|protected|public|return|set|static|super|switch|this|throw|try|typeof|var|void|while|with|yield)\b/,
|
726 | 'number': /\b(?:0[xX][\dA-Fa-f]+|0[bB][01]+|0[oO][0-7]+|NaN|Infinity)\b|(?:\b\d+\.?\d*|\B\.\d+)(?:[Ee][+-]?\d+)?/,
|
727 |
|
728 | 'function': /[_$a-z\xA0-\uFFFF][$\w\xA0-\uFFFF]*(?=\s*\()/i,
|
729 | 'operator': /-[-=]?|\+[+=]?|!=?=?|<<?=?|>>?>?=?|=(?:==?|>)?|&[&=]?|\|[|=]?|\*\*?=?|\/=?|~|\^=?|%=?|\?|\.{3}/
|
730 | });
|
731 |
|
732 | Prism.languages.insertBefore('javascript', 'keyword', {
|
733 | 'regex': {
|
734 | pattern: /((?:^|[^$\w\xA0-\uFFFF."'\])\s])\s*)\/(\[[^\]\r\n]+]|\\.|[^/\\\[\r\n])+\/[gimyu]{0,5}(?=\s*($|[\r\n,.;})\]]))/,
|
735 | lookbehind: true,
|
736 | greedy: true
|
737 | },
|
738 |
|
739 | 'function-variable': {
|
740 | pattern: /[_$a-z\xA0-\uFFFF][$\w\xA0-\uFFFF]*(?=\s*=\s*(?:function\b|(?:\([^()]*\)|[_$a-z\xA0-\uFFFF][$\w\xA0-\uFFFF]*)\s*=>))/i,
|
741 | alias: 'function'
|
742 | },
|
743 | 'constant': /\b[A-Z][A-Z\d_]*\b/
|
744 | });
|
745 |
|
746 | Prism.languages.insertBefore('javascript', 'string', {
|
747 | 'template-string': {
|
748 | pattern: /`(?:\\[\s\S]|\${[^}]+}|[^\\`])*`/,
|
749 | greedy: true,
|
750 | inside: {
|
751 | 'interpolation': {
|
752 | pattern: /\${[^}]+}/,
|
753 | inside: {
|
754 | 'interpolation-punctuation': {
|
755 | pattern: /^\${|}$/,
|
756 | alias: 'punctuation'
|
757 | },
|
758 | rest: null
|
759 | }
|
760 | },
|
761 | 'string': /[\s\S]+/
|
762 | }
|
763 | }
|
764 | });
|
765 | Prism.languages.javascript['template-string'].inside['interpolation'].inside.rest = Prism.languages.javascript;
|
766 |
|
767 | if (Prism.languages.markup) {
|
768 | Prism.languages.insertBefore('markup', 'tag', {
|
769 | 'script': {
|
770 | pattern: /(<script[\s\S]*?>)[\s\S]*?(?=<\/script>)/i,
|
771 | lookbehind: true,
|
772 | inside: Prism.languages.javascript,
|
773 | alias: 'language-javascript',
|
774 | greedy: true
|
775 | }
|
776 | });
|
777 | }
|
778 |
|
779 | Prism.languages.js = Prism.languages.javascript;
|
780 |
|
781 |
|
782 |
|
783 |
|
784 |
|
785 |
|
786 | (function () {
|
787 | if (typeof self === 'undefined' || !self.Prism || !self.document || !document.querySelector) {
|
788 | return;
|
789 | }
|
790 |
|
791 | self.Prism.fileHighlight = function() {
|
792 |
|
793 | var Extensions = {
|
794 | 'js': 'javascript',
|
795 | 'py': 'python',
|
796 | 'rb': 'ruby',
|
797 | 'ps1': 'powershell',
|
798 | 'psm1': 'powershell',
|
799 | 'sh': 'bash',
|
800 | 'bat': 'batch',
|
801 | 'h': 'c',
|
802 | 'tex': 'latex'
|
803 | };
|
804 |
|
805 | Array.prototype.slice.call(document.querySelectorAll('pre[data-src]')).forEach(function (pre) {
|
806 | var src = pre.getAttribute('data-src');
|
807 |
|
808 | var language, parent = pre;
|
809 | var lang = /\blang(?:uage)?-([\w-]+)\b/i;
|
810 | while (parent && !lang.test(parent.className)) {
|
811 | parent = parent.parentNode;
|
812 | }
|
813 |
|
814 | if (parent) {
|
815 | language = (pre.className.match(lang) || [, ''])[1];
|
816 | }
|
817 |
|
818 | if (!language) {
|
819 | var extension = (src.match(/\.(\w+)$/) || [, ''])[1];
|
820 | language = Extensions[extension] || extension;
|
821 | }
|
822 |
|
823 | var code = document.createElement('code');
|
824 | code.className = 'language-' + language;
|
825 |
|
826 | pre.textContent = '';
|
827 |
|
828 | code.textContent = 'Loading…';
|
829 |
|
830 | pre.appendChild(code);
|
831 |
|
832 | var xhr = new XMLHttpRequest();
|
833 |
|
834 | xhr.open('GET', src, true);
|
835 |
|
836 | xhr.onreadystatechange = function () {
|
837 | if (xhr.readyState == 4) {
|
838 |
|
839 | if (xhr.status < 400 && xhr.responseText) {
|
840 | code.textContent = xhr.responseText;
|
841 |
|
842 | Prism.highlightElement(code);
|
843 | }
|
844 | else if (xhr.status >= 400) {
|
845 | code.textContent = '✖ Error ' + xhr.status + ' while fetching file: ' + xhr.statusText;
|
846 | }
|
847 | else {
|
848 | code.textContent = '✖ Error: File does not exist or is empty';
|
849 | }
|
850 | }
|
851 | };
|
852 |
|
853 | xhr.send(null);
|
854 | });
|
855 |
|
856 | if (Prism.plugins.toolbar) {
|
857 | Prism.plugins.toolbar.registerButton('download-file', function (env) {
|
858 | var pre = env.element.parentNode;
|
859 | if (!pre || !/pre/i.test(pre.nodeName) || !pre.hasAttribute('data-src') || !pre.hasAttribute('data-download-link')) {
|
860 | return;
|
861 | }
|
862 | var src = pre.getAttribute('data-src');
|
863 | var a = document.createElement('a');
|
864 | a.textContent = pre.getAttribute('data-download-link-label') || 'Download';
|
865 | a.setAttribute('download', '');
|
866 | a.href = src;
|
867 | return a;
|
868 | });
|
869 | }
|
870 |
|
871 | };
|
872 |
|
873 | document.addEventListener('DOMContentLoaded', self.Prism.fileHighlight);
|
874 |
|
875 | })(); |
\ | No newline at end of file |