1 | (function () {
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2 |
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3 | if (typeof Prism === 'undefined' || typeof document === 'undefined') {
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4 | return;
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5 | }
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6 |
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7 | |
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 | |
15 |
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16 |
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17 |
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18 |
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19 | var adapters = [];
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20 |
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21 | |
22 |
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23 |
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24 |
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25 |
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26 |
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27 |
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28 |
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29 |
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30 | function registerAdapter(adapter, name) {
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31 | name = name || adapter.name;
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32 | if (typeof adapter === 'function' && !getAdapter(adapter) && !getAdapter(name)) {
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33 | adapters.push({ adapter: adapter, name: name });
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34 | }
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35 | }
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36 | |
37 |
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38 |
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39 |
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40 |
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41 |
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42 |
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43 |
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44 | function getAdapter(adapter) {
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45 | if (typeof adapter === 'function') {
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46 | for (var i = 0, item; (item = adapters[i++]);) {
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47 | if (item.adapter.valueOf() === adapter.valueOf()) {
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48 | return item.adapter;
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49 | }
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50 | }
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51 | } else if (typeof adapter === 'string') {
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52 |
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53 | for (var i = 0, item; (item = adapters[i++]);) {
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54 | if (item.name === adapter) {
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55 | return item.adapter;
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56 | }
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57 | }
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58 | }
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59 | return null;
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60 | }
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61 | |
62 |
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63 |
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64 |
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65 |
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66 |
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67 | function removeAdapter(adapter) {
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68 | if (typeof adapter === 'string') {
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69 | adapter = getAdapter(adapter);
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70 | }
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71 | if (typeof adapter === 'function') {
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72 | var index = adapters.findIndex(function (item) {
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73 | return item.adapter === adapter;
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74 | });
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75 | if (index >= 0) {
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76 | adapters.splice(index, 1);
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77 | }
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78 | }
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79 | }
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80 |
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81 | registerAdapter(function github(rsp) {
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82 | if (rsp && rsp.meta && rsp.data) {
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83 | if (rsp.meta.status && rsp.meta.status >= 400) {
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84 | return 'Error: ' + (rsp.data.message || rsp.meta.status);
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85 | } else if (typeof (rsp.data.content) === 'string') {
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86 | return typeof (atob) === 'function'
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87 | ? atob(rsp.data.content.replace(/\s/g, ''))
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88 | : 'Your browser cannot decode base64';
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89 | }
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90 | }
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91 | return null;
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92 | }, 'github');
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93 | registerAdapter(function gist(rsp, el) {
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94 | if (rsp && rsp.meta && rsp.data && rsp.data.files) {
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95 | if (rsp.meta.status && rsp.meta.status >= 400) {
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96 | return 'Error: ' + (rsp.data.message || rsp.meta.status);
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97 | }
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98 |
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99 | var files = rsp.data.files;
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100 | var filename = el.getAttribute('data-filename');
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101 | if (filename == null) {
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102 |
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103 |
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104 |
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105 | for (var key in files) {
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106 | if (files.hasOwnProperty(key)) {
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107 | filename = key;
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108 | break;
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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 | if (files[filename] !== undefined) {
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114 | return files[filename].content;
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115 | }
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116 | return 'Error: unknown or missing gist file ' + filename;
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117 | }
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118 | return null;
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119 | }, 'gist');
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120 | registerAdapter(function bitbucket(rsp) {
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121 | if (rsp && rsp.node && typeof (rsp.data) === 'string') {
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122 | return rsp.data;
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123 | }
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124 | return null;
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125 | }, 'bitbucket');
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126 |
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127 |
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128 | var jsonpCallbackCounter = 0;
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129 | |
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 |
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136 |
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137 |
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138 |
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139 | function jsonp(src, callbackParameter, onSuccess, onError) {
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140 | var callbackName = 'prismjsonp' + jsonpCallbackCounter++;
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141 |
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142 | var uri = document.createElement('a');
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143 | uri.href = src;
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144 | uri.href += (uri.search ? '&' : '?') + (callbackParameter || 'callback') + '=' + callbackName;
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145 |
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146 | var script = document.createElement('script');
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147 | script.src = uri.href;
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148 | script.onerror = function () {
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149 | cleanup();
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150 | onError('network');
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151 | };
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152 |
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153 | var timeoutId = setTimeout(function () {
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154 | cleanup();
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155 | onError('timeout');
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156 | }, Prism.plugins.jsonphighlight.timeout);
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157 |
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158 | function cleanup() {
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159 | clearTimeout(timeoutId);
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160 | document.head.removeChild(script);
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161 | delete window[callbackName];
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162 | }
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163 |
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164 |
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165 | window[callbackName] = function (response) {
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166 | cleanup();
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167 | onSuccess(response);
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168 | };
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169 |
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170 | document.head.appendChild(script);
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171 | }
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172 |
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173 | var LOADING_MESSAGE = 'Loading…';
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174 | var MISSING_ADAPTER_MESSAGE = function (name) {
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175 | return '✖ Error: JSONP adapter function "' + name + '" doesn\'t exist';
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176 | };
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177 | var TIMEOUT_MESSAGE = function (url) {
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178 | return '✖ Error: Timeout loading ' + url;
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179 | };
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180 | var UNKNOWN_FAILURE_MESSAGE = '✖ Error: Cannot parse response (perhaps you need an adapter function?)';
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181 |
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182 | var STATUS_ATTR = 'data-jsonp-status';
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183 | var STATUS_LOADING = 'loading';
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184 | var STATUS_LOADED = 'loaded';
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185 | var STATUS_FAILED = 'failed';
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186 |
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187 | var SELECTOR = 'pre[data-jsonp]:not([' + STATUS_ATTR + '="' + STATUS_LOADED + '"])'
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188 | + ':not([' + STATUS_ATTR + '="' + STATUS_LOADING + '"])';
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189 |
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190 |
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191 | Prism.hooks.add('before-highlightall', function (env) {
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192 | env.selector += ', ' + SELECTOR;
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193 | });
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194 |
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195 | Prism.hooks.add('before-sanity-check', function (env) {
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196 | var pre = (env.element);
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197 | if (pre.matches(SELECTOR)) {
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198 | env.code = '';
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199 |
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200 |
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201 | pre.setAttribute(STATUS_ATTR, STATUS_LOADING);
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202 |
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203 |
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204 | var code = pre.appendChild(document.createElement('CODE'));
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205 | code.textContent = LOADING_MESSAGE;
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206 |
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207 |
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208 | var language = env.language;
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209 | code.className = 'language-' + language;
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210 |
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211 |
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212 | var autoloader = Prism.plugins.autoloader;
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213 | if (autoloader) {
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214 | autoloader.loadLanguages(language);
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215 | }
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216 |
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217 | var adapterName = pre.getAttribute('data-adapter');
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218 | var adapter = null;
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219 | if (adapterName) {
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220 | if (typeof window[adapterName] === 'function') {
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221 | adapter = window[adapterName];
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222 | } else {
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223 |
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224 | pre.setAttribute(STATUS_ATTR, STATUS_FAILED);
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225 |
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226 | code.textContent = MISSING_ADAPTER_MESSAGE(adapterName);
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227 | return;
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228 | }
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229 | }
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230 |
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231 | var src = pre.getAttribute('data-jsonp');
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232 |
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233 | jsonp(
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234 | src,
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235 | pre.getAttribute('data-callback'),
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236 | function (response) {
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237 |
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238 | var data = null;
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239 | if (adapter) {
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240 | data = adapter(response, pre);
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241 | } else {
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242 | for (var i = 0, l = adapters.length; i < l; i++) {
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243 | data = adapters[i].adapter(response, pre);
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244 | if (data !== null) {
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245 | break;
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246 | }
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247 | }
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248 | }
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249 |
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250 | if (data === null) {
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251 |
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252 | pre.setAttribute(STATUS_ATTR, STATUS_FAILED);
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253 |
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254 | code.textContent = UNKNOWN_FAILURE_MESSAGE;
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255 | } else {
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256 |
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257 | pre.setAttribute(STATUS_ATTR, STATUS_LOADED);
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258 |
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259 | code.textContent = data;
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260 | Prism.highlightElement(code);
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261 | }
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262 | },
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263 | function () {
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264 |
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265 | pre.setAttribute(STATUS_ATTR, STATUS_FAILED);
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266 |
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267 | code.textContent = TIMEOUT_MESSAGE(src);
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268 | }
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269 | );
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270 | }
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271 | });
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272 |
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273 |
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274 | Prism.plugins.jsonphighlight = {
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275 | |
276 |
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277 |
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278 |
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279 |
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280 |
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281 | timeout: 5000,
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282 | registerAdapter: registerAdapter,
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283 | removeAdapter: removeAdapter,
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284 |
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285 | |
286 |
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287 |
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288 |
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289 |
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290 |
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291 |
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292 |
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293 |
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294 | highlight: function (container) {
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295 | var elements = (container || document).querySelectorAll(SELECTOR);
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296 |
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297 | for (var i = 0, element; (element = elements[i++]);) {
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298 | Prism.highlightElement(element);
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299 | }
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300 | }
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301 | };
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302 |
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303 | }());
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