1 | var _self = (typeof window !== 'undefined')
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2 | ? window
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3 | : (
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4 | (typeof WorkerGlobalScope !== 'undefined' && self instanceof WorkerGlobalScope)
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5 | ? self
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6 | : {}
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7 | );
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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 |
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14 |
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15 | var Prism = (function (_self){
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16 |
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17 |
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18 | var lang = /\blang(?:uage)?-([\w-]+)\b/i;
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19 | var uniqueId = 0;
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20 |
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21 |
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22 | var _ = {
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23 | manual: _self.Prism && _self.Prism.manual,
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24 | disableWorkerMessageHandler: _self.Prism && _self.Prism.disableWorkerMessageHandler,
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25 | util: {
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26 | encode: function encode(tokens) {
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27 | if (tokens instanceof Token) {
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28 | return new Token(tokens.type, encode(tokens.content), tokens.alias);
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29 | } else if (Array.isArray(tokens)) {
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30 | return tokens.map(encode);
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31 | } else {
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32 | return tokens.replace(/&/g, '&').replace(/</g, '<').replace(/\u00a0/g, ' ');
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33 | }
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34 | },
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35 |
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36 | type: function (o) {
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37 | return Object.prototype.toString.call(o).slice(8, -1);
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38 | },
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39 |
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40 | objId: function (obj) {
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41 | if (!obj['__id']) {
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42 | Object.defineProperty(obj, '__id', { value: ++uniqueId });
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43 | }
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44 | return obj['__id'];
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45 | },
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46 |
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47 |
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48 | clone: function deepClone(o, visited) {
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49 | var clone, id, type = _.util.type(o);
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50 | visited = visited || {};
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51 |
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52 | switch (type) {
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53 | case 'Object':
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54 | id = _.util.objId(o);
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55 | if (visited[id]) {
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56 | return visited[id];
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57 | }
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58 | clone = {};
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59 | visited[id] = clone;
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60 |
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61 | for (var key in o) {
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62 | if (o.hasOwnProperty(key)) {
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63 | clone[key] = deepClone(o[key], visited);
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64 | }
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65 | }
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66 |
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67 | return clone;
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68 |
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69 | case 'Array':
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70 | id = _.util.objId(o);
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71 | if (visited[id]) {
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72 | return visited[id];
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73 | }
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74 | clone = [];
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75 | visited[id] = clone;
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76 |
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77 | o.forEach(function (v, i) {
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78 | clone[i] = deepClone(v, visited);
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79 | });
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80 |
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81 | return clone;
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82 |
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83 | default:
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84 | return o;
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85 | }
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86 | },
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87 |
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88 | |
89 |
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90 |
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91 |
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92 |
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93 |
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94 |
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95 |
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96 | getLanguage: function (element) {
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97 | while (element && !lang.test(element.className)) {
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98 | element = element.parentElement;
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99 | }
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100 | if (element) {
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101 | return (element.className.match(lang) || [, 'none'])[1].toLowerCase();
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102 | }
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103 | return 'none';
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104 | },
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105 |
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106 | |
107 |
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108 |
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109 |
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110 |
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111 |
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112 |
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113 | currentScript: function () {
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114 | if (typeof document === 'undefined') {
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115 | return null;
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116 | }
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117 | if ('currentScript' in document) {
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118 | return document.currentScript;
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119 | }
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120 |
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121 |
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122 |
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123 |
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124 |
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125 | try {
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126 | throw new Error();
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127 | } catch (err) {
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128 |
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129 |
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130 |
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131 |
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132 |
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133 |
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134 |
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135 | var src = (/at [^(\r\n]*\((.*):.+:.+\)$/i.exec(err.stack) || [])[1];
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136 | if (src) {
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137 | var scripts = document.getElementsByTagName('script');
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138 | for (var i in scripts) {
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139 | if (scripts[i].src == src) {
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140 | return scripts[i];
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141 | }
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142 | }
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143 | }
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144 | return null;
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145 | }
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146 | }
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147 | },
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148 |
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149 | languages: {
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150 | extend: function (id, redef) {
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151 | var lang = _.util.clone(_.languages[id]);
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152 |
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153 | for (var key in redef) {
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154 | lang[key] = redef[key];
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155 | }
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156 |
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157 | return lang;
|
158 | },
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159 |
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160 | |
161 |
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162 |
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163 |
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164 |
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165 |
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166 |
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167 |
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168 |
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169 | insertBefore: function (inside, before, insert, root) {
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170 | root = root || _.languages;
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171 | var grammar = root[inside];
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172 | var ret = {};
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173 |
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174 | for (var token in grammar) {
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175 | if (grammar.hasOwnProperty(token)) {
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176 |
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177 | if (token == before) {
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178 | for (var newToken in insert) {
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179 | if (insert.hasOwnProperty(newToken)) {
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180 | ret[newToken] = insert[newToken];
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181 | }
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182 | }
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183 | }
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184 |
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185 |
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186 | if (!insert.hasOwnProperty(token)) {
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187 | ret[token] = grammar[token];
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188 | }
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189 | }
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190 | }
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191 |
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192 | var old = root[inside];
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193 | root[inside] = ret;
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194 |
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195 |
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196 | _.languages.DFS(_.languages, function(key, value) {
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197 | if (value === old && key != inside) {
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198 | this[key] = ret;
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199 | }
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200 | });
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201 |
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202 | return ret;
|
203 | },
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204 |
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205 |
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206 | DFS: function DFS(o, callback, type, visited) {
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207 | visited = visited || {};
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208 |
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209 | var objId = _.util.objId;
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210 |
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211 | for (var i in o) {
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212 | if (o.hasOwnProperty(i)) {
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213 | callback.call(o, i, o[i], type || i);
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214 |
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215 | var property = o[i],
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216 | propertyType = _.util.type(property);
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217 |
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218 | if (propertyType === 'Object' && !visited[objId(property)]) {
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219 | visited[objId(property)] = true;
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220 | DFS(property, callback, null, visited);
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221 | }
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222 | else if (propertyType === 'Array' && !visited[objId(property)]) {
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223 | visited[objId(property)] = true;
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224 | DFS(property, callback, i, visited);
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225 | }
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226 | }
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227 | }
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228 | }
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229 | },
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230 | plugins: {},
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231 |
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232 | highlightAll: function(async, callback) {
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233 | _.highlightAllUnder(document, async, callback);
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234 | },
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235 |
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236 | highlightAllUnder: function(container, async, callback) {
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237 | var env = {
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238 | callback: callback,
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239 | container: container,
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240 | selector: 'code[class*="language-"], [class*="language-"] code, code[class*="lang-"], [class*="lang-"] code'
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241 | };
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242 |
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243 | _.hooks.run('before-highlightall', env);
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244 |
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245 | env.elements = Array.prototype.slice.apply(env.container.querySelectorAll(env.selector));
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246 |
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247 | _.hooks.run('before-all-elements-highlight', env);
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248 |
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249 | for (var i = 0, element; element = env.elements[i++];) {
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250 | _.highlightElement(element, async === true, env.callback);
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251 | }
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252 | },
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253 |
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254 | highlightElement: function(element, async, callback) {
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255 |
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256 | var language = _.util.getLanguage(element);
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257 | var grammar = _.languages[language];
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258 |
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259 |
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260 | element.className = element.className.replace(lang, '').replace(/\s+/g, ' ') + ' language-' + language;
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261 |
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262 |
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263 | var parent = element.parentNode;
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264 | if (parent && parent.nodeName.toLowerCase() === 'pre') {
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265 | parent.className = parent.className.replace(lang, '').replace(/\s+/g, ' ') + ' language-' + language;
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266 | }
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267 |
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268 | var code = element.textContent;
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269 |
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270 | var env = {
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271 | element: element,
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272 | language: language,
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273 | grammar: grammar,
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274 | code: code
|
275 | };
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276 |
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277 | function insertHighlightedCode(highlightedCode) {
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278 | env.highlightedCode = highlightedCode;
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279 |
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280 | _.hooks.run('before-insert', env);
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281 |
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282 | env.element.innerHTML = env.highlightedCode;
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283 |
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284 | _.hooks.run('after-highlight', env);
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285 | _.hooks.run('complete', env);
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286 | callback && callback.call(env.element);
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287 | }
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288 |
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289 | _.hooks.run('before-sanity-check', env);
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290 |
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291 | if (!env.code) {
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292 | _.hooks.run('complete', env);
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293 | callback && callback.call(env.element);
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294 | return;
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295 | }
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296 |
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297 | _.hooks.run('before-highlight', env);
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298 |
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299 | if (!env.grammar) {
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300 | insertHighlightedCode(_.util.encode(env.code));
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301 | return;
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302 | }
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303 |
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304 | if (async && _self.Worker) {
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305 | var worker = new Worker(_.filename);
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306 |
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307 | worker.onmessage = function(evt) {
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308 | insertHighlightedCode(evt.data);
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309 | };
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310 |
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311 | worker.postMessage(JSON.stringify({
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312 | language: env.language,
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313 | code: env.code,
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314 | immediateClose: true
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315 | }));
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316 | }
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317 | else {
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318 | insertHighlightedCode(_.highlight(env.code, env.grammar, env.language));
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319 | }
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320 | },
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321 |
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322 | highlight: function (text, grammar, language) {
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323 | var env = {
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324 | code: text,
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325 | grammar: grammar,
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326 | language: language
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327 | };
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328 | _.hooks.run('before-tokenize', env);
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329 | env.tokens = _.tokenize(env.code, env.grammar);
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330 | _.hooks.run('after-tokenize', env);
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331 | return Token.stringify(_.util.encode(env.tokens), env.language);
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332 | },
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333 |
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334 | tokenize: function(text, grammar) {
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335 | var rest = grammar.rest;
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336 | if (rest) {
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337 | for (var token in rest) {
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338 | grammar[token] = rest[token];
|
339 | }
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340 |
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341 | delete grammar.rest;
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342 | }
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343 |
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344 | var tokenList = new LinkedList();
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345 | addAfter(tokenList, tokenList.head, text);
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346 |
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347 | matchGrammar(text, tokenList, grammar, tokenList.head, 0);
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348 |
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349 | return toArray(tokenList);
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350 | },
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351 |
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352 | hooks: {
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353 | all: {},
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354 |
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355 | add: function (name, callback) {
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356 | var hooks = _.hooks.all;
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357 |
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358 | hooks[name] = hooks[name] || [];
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359 |
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360 | hooks[name].push(callback);
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361 | },
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362 |
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363 | run: function (name, env) {
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364 | var callbacks = _.hooks.all[name];
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365 |
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366 | if (!callbacks || !callbacks.length) {
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367 | return;
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368 | }
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369 |
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370 | for (var i=0, callback; callback = callbacks[i++];) {
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371 | callback(env);
|
372 | }
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373 | }
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374 | },
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375 |
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376 | Token: Token
|
377 | };
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378 |
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379 | _self.Prism = _;
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380 |
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381 | function Token(type, content, alias, matchedStr, greedy) {
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382 | this.type = type;
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383 | this.content = content;
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384 | this.alias = alias;
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385 |
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386 | this.length = (matchedStr || '').length|0;
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387 | this.greedy = !!greedy;
|
388 | }
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389 |
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390 | Token.stringify = function stringify(o, language) {
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391 | if (typeof o == 'string') {
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392 | return o;
|
393 | }
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394 | if (Array.isArray(o)) {
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395 | var s = '';
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396 | o.forEach(function (e) {
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397 | s += stringify(e, language);
|
398 | });
|
399 | return s;
|
400 | }
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401 |
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402 | var env = {
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403 | type: o.type,
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404 | content: stringify(o.content, language),
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405 | tag: 'span',
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406 | classes: ['token', o.type],
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407 | attributes: {},
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408 | language: language
|
409 | };
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410 |
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411 | var aliases = o.alias;
|
412 | if (aliases) {
|
413 | if (Array.isArray(aliases)) {
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414 | Array.prototype.push.apply(env.classes, aliases);
|
415 | } else {
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416 | env.classes.push(aliases);
|
417 | }
|
418 | }
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419 |
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420 | _.hooks.run('wrap', env);
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421 |
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422 | var attributes = '';
|
423 | for (var name in env.attributes) {
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424 | attributes += ' ' + name + '="' + (env.attributes[name] || '').replace(/"/g, '"') + '"';
|
425 | }
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426 |
|
427 | return '<' + env.tag + ' class="' + env.classes.join(' ') + '"' + attributes + '>' + env.content + '</' + env.tag + '>';
|
428 | };
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429 |
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430 |
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431 |
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432 |
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433 |
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434 |
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435 |
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436 |
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437 |
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438 |
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439 | function matchGrammar(text, tokenList, grammar, startNode, startPos, oneshot, target) {
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440 | for (var token in grammar) {
|
441 | if (!grammar.hasOwnProperty(token) || !grammar[token]) {
|
442 | continue;
|
443 | }
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444 |
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445 | var patterns = grammar[token];
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446 | patterns = Array.isArray(patterns) ? patterns : [patterns];
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447 |
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448 | for (var j = 0; j < patterns.length; ++j) {
|
449 | if (target && target == token + ',' + j) {
|
450 | return;
|
451 | }
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452 |
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453 | var pattern = patterns[j],
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454 | inside = pattern.inside,
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455 | lookbehind = !!pattern.lookbehind,
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456 | greedy = !!pattern.greedy,
|
457 | lookbehindLength = 0,
|
458 | alias = pattern.alias;
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459 |
|
460 | if (greedy && !pattern.pattern.global) {
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461 |
|
462 | var flags = pattern.pattern.toString().match(/[imsuy]*$/)[0];
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463 | pattern.pattern = RegExp(pattern.pattern.source, flags + 'g');
|
464 | }
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465 |
|
466 | pattern = pattern.pattern || pattern;
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467 |
|
468 | for (
|
469 | var currentNode = startNode.next, pos = startPos;
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470 | currentNode !== tokenList.tail;
|
471 | pos += currentNode.value.length, currentNode = currentNode.next
|
472 | ) {
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473 |
|
474 | var str = currentNode.value;
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475 |
|
476 | if (tokenList.length > text.length) {
|
477 |
|
478 | return;
|
479 | }
|
480 |
|
481 | if (str instanceof Token) {
|
482 | continue;
|
483 | }
|
484 |
|
485 | var removeCount = 1;
|
486 |
|
487 | if (greedy && currentNode != tokenList.tail.prev) {
|
488 | pattern.lastIndex = pos;
|
489 | var match = pattern.exec(text);
|
490 | if (!match) {
|
491 | break;
|
492 | }
|
493 |
|
494 | var from = match.index + (lookbehind && match[1] ? match[1].length : 0);
|
495 | var to = match.index + match[0].length;
|
496 | var p = pos;
|
497 |
|
498 |
|
499 | p += currentNode.value.length;
|
500 | while (from >= p) {
|
501 | currentNode = currentNode.next;
|
502 | p += currentNode.value.length;
|
503 | }
|
504 |
|
505 | p -= currentNode.value.length;
|
506 | pos = p;
|
507 |
|
508 |
|
509 | if (currentNode.value instanceof Token) {
|
510 | continue;
|
511 | }
|
512 |
|
513 |
|
514 | for (
|
515 | var k = currentNode;
|
516 | k !== tokenList.tail && (p < to || (typeof k.value === 'string' && !k.prev.value.greedy));
|
517 | k = k.next
|
518 | ) {
|
519 | removeCount++;
|
520 | p += k.value.length;
|
521 | }
|
522 | removeCount--;
|
523 |
|
524 |
|
525 | str = text.slice(pos, p);
|
526 | match.index -= pos;
|
527 | } else {
|
528 | pattern.lastIndex = 0;
|
529 |
|
530 | var match = pattern.exec(str);
|
531 | }
|
532 |
|
533 | if (!match) {
|
534 | if (oneshot) {
|
535 | break;
|
536 | }
|
537 |
|
538 | continue;
|
539 | }
|
540 |
|
541 | if (lookbehind) {
|
542 | lookbehindLength = match[1] ? match[1].length : 0;
|
543 | }
|
544 |
|
545 | var from = match.index + lookbehindLength,
|
546 | match = match[0].slice(lookbehindLength),
|
547 | to = from + match.length,
|
548 | before = str.slice(0, from),
|
549 | after = str.slice(to);
|
550 |
|
551 | var removeFrom = currentNode.prev;
|
552 |
|
553 | if (before) {
|
554 | removeFrom = addAfter(tokenList, removeFrom, before);
|
555 | pos += before.length;
|
556 | }
|
557 |
|
558 | removeRange(tokenList, removeFrom, removeCount);
|
559 |
|
560 | var wrapped = new Token(token, inside ? _.tokenize(match, inside) : match, alias, match, greedy);
|
561 | currentNode = addAfter(tokenList, removeFrom, wrapped);
|
562 |
|
563 | if (after) {
|
564 | addAfter(tokenList, currentNode, after);
|
565 | }
|
566 |
|
567 |
|
568 | if (removeCount > 1)
|
569 | matchGrammar(text, tokenList, grammar, currentNode.prev, pos, true, token + ',' + j);
|
570 |
|
571 | if (oneshot)
|
572 | break;
|
573 | }
|
574 | }
|
575 | }
|
576 | }
|
577 |
|
578 |
|
579 |
|
580 |
|
581 |
|
582 |
|
583 |
|
584 |
|
585 |
|
586 |
|
587 |
|
588 |
|
589 | function LinkedList() {
|
590 |
|
591 | var head = { value: null, prev: null, next: null };
|
592 |
|
593 | var tail = { value: null, prev: head, next: null };
|
594 | head.next = tail;
|
595 |
|
596 |
|
597 | this.head = head;
|
598 |
|
599 | this.tail = tail;
|
600 | this.length = 0;
|
601 | }
|
602 |
|
603 |
|
604 |
|
605 |
|
606 |
|
607 |
|
608 |
|
609 |
|
610 |
|
611 | function addAfter(list, node, value) {
|
612 |
|
613 | var next = node.next;
|
614 |
|
615 | var newNode = { value: value, prev: node, next: next };
|
616 | node.next = newNode;
|
617 | next.prev = newNode;
|
618 | list.length++;
|
619 |
|
620 | return newNode;
|
621 | }
|
622 |
|
623 |
|
624 |
|
625 |
|
626 |
|
627 |
|
628 |
|
629 | function removeRange(list, node, count) {
|
630 | var next = node.next;
|
631 | for (var i = 0; i < count && next !== list.tail; i++) {
|
632 | next = next.next;
|
633 | }
|
634 | node.next = next;
|
635 | next.prev = node;
|
636 | list.length -= i;
|
637 | }
|
638 |
|
639 |
|
640 |
|
641 |
|
642 |
|
643 | function toArray(list) {
|
644 | var array = [];
|
645 | var node = list.head.next;
|
646 | while (node !== list.tail) {
|
647 | array.push(node.value);
|
648 | node = node.next;
|
649 | }
|
650 | return array;
|
651 | }
|
652 |
|
653 |
|
654 | if (!_self.document) {
|
655 | if (!_self.addEventListener) {
|
656 |
|
657 | return _;
|
658 | }
|
659 |
|
660 | if (!_.disableWorkerMessageHandler) {
|
661 |
|
662 | _self.addEventListener('message', function (evt) {
|
663 | var message = JSON.parse(evt.data),
|
664 | lang = message.language,
|
665 | code = message.code,
|
666 | immediateClose = message.immediateClose;
|
667 |
|
668 | _self.postMessage(_.highlight(code, _.languages[lang], lang));
|
669 | if (immediateClose) {
|
670 | _self.close();
|
671 | }
|
672 | }, false);
|
673 | }
|
674 |
|
675 | return _;
|
676 | }
|
677 |
|
678 |
|
679 | var script = _.util.currentScript();
|
680 |
|
681 | if (script) {
|
682 | _.filename = script.src;
|
683 |
|
684 | if (script.hasAttribute('data-manual')) {
|
685 | _.manual = true;
|
686 | }
|
687 | }
|
688 |
|
689 | function highlightAutomaticallyCallback() {
|
690 | if (!_.manual) {
|
691 | _.highlightAll();
|
692 | }
|
693 | }
|
694 |
|
695 | if (!_.manual) {
|
696 |
|
697 |
|
698 |
|
699 |
|
700 |
|
701 |
|
702 | var readyState = document.readyState;
|
703 | if (readyState === 'loading' || readyState === 'interactive' && script && script.defer) {
|
704 | document.addEventListener('DOMContentLoaded', highlightAutomaticallyCallback);
|
705 | } else {
|
706 | if (window.requestAnimationFrame) {
|
707 | window.requestAnimationFrame(highlightAutomaticallyCallback);
|
708 | } else {
|
709 | window.setTimeout(highlightAutomaticallyCallback, 16);
|
710 | }
|
711 | }
|
712 | }
|
713 |
|
714 | return _;
|
715 |
|
716 | })(_self);
|
717 |
|
718 | if (typeof module !== 'undefined' && module.exports) {
|
719 | module.exports = Prism;
|
720 | }
|
721 |
|
722 |
|
723 | if (typeof global !== 'undefined') {
|
724 | global.Prism = Prism;
|
725 | }
|