Mercurial > hg > OKFNAnnotator

annotate annotator_files/lib/vendor/json2.js @ 3:6356e78ccf5c

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new version contains Annotator JS files to be used with FilesystemSite.
author casties
date Thu, 05 Apr 2012 19:37:27 +0200
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3
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1 /*
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2 http://www.JSON.org/json2.js
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3 2010-11-17
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4
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5 Public Domain.
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6
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7 NO WARRANTY EXPRESSED OR IMPLIED. USE AT YOUR OWN RISK.
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8
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9 See http://www.JSON.org/js.html
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10
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11
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12 This code should be minified before deployment.
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13 See http://javascript.crockford.com/jsmin.html
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14
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15 USE YOUR OWN COPY. IT IS EXTREMELY UNWISE TO LOAD CODE FROM SERVERS YOU DO
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16 NOT CONTROL.
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17
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18
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19 This file creates a global JSON object containing two methods: stringify
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20 and parse.
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21
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22 JSON.stringify(value, replacer, space)
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23 value any JavaScript value, usually an object or array.
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24
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25 replacer an optional parameter that determines how object
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26 values are stringified for objects. It can be a
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27 function or an array of strings.
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28
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29 space an optional parameter that specifies the indentation
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30 of nested structures. If it is omitted, the text will
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31 be packed without extra whitespace. If it is a number,
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32 it will specify the number of spaces to indent at each
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33 level. If it is a string (such as '\t' or ' '),
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34 it contains the characters used to indent at each level.
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35
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36 This method produces a JSON text from a JavaScript value.
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37
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38 When an object value is found, if the object contains a toJSON
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39 method, its toJSON method will be called and the result will be
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40 stringified. A toJSON method does not serialize: it returns the
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41 value represented by the name/value pair that should be serialized,
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42 or undefined if nothing should be serialized. The toJSON method
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43 will be passed the key associated with the value, and this will be
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44 bound to the value
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45
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46 For example, this would serialize Dates as ISO strings.
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47
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48 Date.prototype.toJSON = function (key) {
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49 function f(n) {
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50 // Format integers to have at least two digits.
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51 return n < 10 ? '0' + n : n;
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52 }
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53
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54 return this.getUTCFullYear() + '-' +
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55 f(this.getUTCMonth() + 1) + '-' +
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56 f(this.getUTCDate()) + 'T' +
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57 f(this.getUTCHours()) + ':' +
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58 f(this.getUTCMinutes()) + ':' +
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59 f(this.getUTCSeconds()) + 'Z';
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60 };
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61
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62 You can provide an optional replacer method. It will be passed the
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63 key and value of each member, with this bound to the containing
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64 object. The value that is returned from your method will be
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65 serialized. If your method returns undefined, then the member will
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66 be excluded from the serialization.
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67
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68 If the replacer parameter is an array of strings, then it will be
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69 used to select the members to be serialized. It filters the results
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70 such that only members with keys listed in the replacer array are
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71 stringified.
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72
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73 Values that do not have JSON representations, such as undefined or
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74 functions, will not be serialized. Such values in objects will be
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75 dropped; in arrays they will be replaced with null. You can use
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76 a replacer function to replace those with JSON values.
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77 JSON.stringify(undefined) returns undefined.
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78
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79 The optional space parameter produces a stringification of the
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80 value that is filled with line breaks and indentation to make it
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81 easier to read.
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82
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83 If the space parameter is a non-empty string, then that string will
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84 be used for indentation. If the space parameter is a number, then
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85 the indentation will be that many spaces.
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86
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87 Example:
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88
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89 text = JSON.stringify(['e', {pluribus: 'unum'}]);
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90 // text is '["e",{"pluribus":"unum"}]'
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91
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92
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93 text = JSON.stringify(['e', {pluribus: 'unum'}], null, '\t');
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94 // text is '[\n\t"e",\n\t{\n\t\t"pluribus": "unum"\n\t}\n]'
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95
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96 text = JSON.stringify([new Date()], function (key, value) {
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97 return this[key] instanceof Date ?
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98 'Date(' + this[key] + ')' : value;
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99 });
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100 // text is '["Date(---current time---)"]'
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101
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102
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103 JSON.parse(text, reviver)
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104 This method parses a JSON text to produce an object or array.
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105 It can throw a SyntaxError exception.
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106
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107 The optional reviver parameter is a function that can filter and
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108 transform the results. It receives each of the keys and values,
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109 and its return value is used instead of the original value.
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110 If it returns what it received, then the structure is not modified.
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111 If it returns undefined then the member is deleted.
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112
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113 Example:
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114
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115 // Parse the text. Values that look like ISO date strings will
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116 // be converted to Date objects.
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117
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118 myData = JSON.parse(text, function (key, value) {
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119 var a;
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120 if (typeof value === 'string') {
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121 a =
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122 /^(\d{4})-(\d{2})-(\d{2})T(\d{2}):(\d{2}):(\d{2}(?:\.\d*)?)Z$/.exec(value);
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123 if (a) {
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124 return new Date(Date.UTC(+a[1], +a[2] - 1, +a[3], +a[4],
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125 +a[5], +a[6]));
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126 }
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127 }
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128 return value;
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129 });
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130
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131 myData = JSON.parse('["Date(09/09/2001)"]', function (key, value) {
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132 var d;
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133 if (typeof value === 'string' &&
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134 value.slice(0, 5) === 'Date(' &&
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135 value.slice(-1) === ')') {
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136 d = new Date(value.slice(5, -1));
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137 if (d) {
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138 return d;
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139 }
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140 }
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141 return value;
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142 });
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143
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144
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145 This is a reference implementation. You are free to copy, modify, or
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146 redistribute.
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147 */
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148
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149 /*jslint evil: true, strict: false, regexp: false */
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150
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151 /*members "", "\b", "\t", "\n", "\f", "\r", "\"", JSON, "\\", apply,
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152 call, charCodeAt, getUTCDate, getUTCFullYear, getUTCHours,
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153 getUTCMinutes, getUTCMonth, getUTCSeconds, hasOwnProperty, join,
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154 lastIndex, length, parse, prototype, push, replace, slice, stringify,
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155 test, toJSON, toString, valueOf
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156 */
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157
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158
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159 // Create a JSON object only if one does not already exist. We create the
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160 // methods in a closure to avoid creating global variables.
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161
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162 if (!this.JSON) {
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163 this.JSON = {};
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164 }
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165
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166 (function () {
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167 "use strict";
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168
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169 function f(n) {
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170 // Format integers to have at least two digits.
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171 return n < 10 ? '0' + n : n;
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172 }
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173
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174 if (typeof Date.prototype.toJSON !== 'function') {
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175
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176 Date.prototype.toJSON = function (key) {
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177
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178 return isFinite(this.valueOf()) ?
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179 this.getUTCFullYear() + '-' +
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180 f(this.getUTCMonth() + 1) + '-' +
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casties
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181 f(this.getUTCDate()) + 'T' +
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casties
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182 f(this.getUTCHours()) + ':' +
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casties
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183 f(this.getUTCMinutes()) + ':' +
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184 f(this.getUTCSeconds()) + 'Z' : null;
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185 };
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186
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187 String.prototype.toJSON =
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188 Number.prototype.toJSON =
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189 Boolean.prototype.toJSON = function (key) {
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190 return this.valueOf();
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191 };
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192 }
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193
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194 var cx = /[\u0000\u00ad\u0600-\u0604\u070f\u17b4\u17b5\u200c-\u200f\u2028-\u202f\u2060-\u206f\ufeff\ufff0-\uffff]/g,
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195 escapable = /[\\\"\x00-\x1f\x7f-\x9f\u00ad\u0600-\u0604\u070f\u17b4\u17b5\u200c-\u200f\u2028-\u202f\u2060-\u206f\ufeff\ufff0-\uffff]/g,
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196 gap,
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197 indent,
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198 meta = { // table of character substitutions
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casties
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199 '\b': '\\b',
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casties
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200 '\t': '\\t',
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casties
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201 '\n': '\\n',
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casties
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202 '\f': '\\f',
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casties
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203 '\r': '\\r',
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casties
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204 '"' : '\\"',
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casties
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205 '\\': '\\\\'
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206 },
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207 rep;
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208
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209
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210 function quote(string) {
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211
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212 // If the string contains no control characters, no quote characters, and no
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213 // backslash characters, then we can safely slap some quotes around it.
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214 // Otherwise we must also replace the offending characters with safe escape
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215 // sequences.
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216
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217 escapable.lastIndex = 0;
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218 return escapable.test(string) ?
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219 '"' + string.replace(escapable, function (a) {
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220 var c = meta[a];
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221 return typeof c === 'string' ? c :
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casties
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222 '\\u' + ('0000' + a.charCodeAt(0).toString(16)).slice(-4);
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223 }) + '"' :
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
casties
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224 '"' + string + '"';
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225 }
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226
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
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227
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
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228 function str(key, holder) {
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229
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
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230 // Produce a string from holder[key].
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231
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
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232 var i, // The loop counter.
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casties
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233 k, // The member key.
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
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234 v, // The member value.
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
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235 length,
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
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236 mind = gap,
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237 partial,
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
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238 value = holder[key];
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
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239
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
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240 // If the value has a toJSON method, call it to obtain a replacement value.
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casties
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241
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
casties
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242 if (value && typeof value === 'object' &&
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
casties
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243 typeof value.toJSON === 'function') {
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
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244 value = value.toJSON(key);
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245 }
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
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246
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
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247 // If we were called with a replacer function, then call the replacer to
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
casties
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248 // obtain a replacement value.
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
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249
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
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250 if (typeof rep === 'function') {
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251 value = rep.call(holder, key, value);
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252 }
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
casties
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253
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
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254 // What happens next depends on the value's type.
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
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255
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
casties
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256 switch (typeof value) {
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
casties
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257 case 'string':
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
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258 return quote(value);
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
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259
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
casties
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260 case 'number':
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casties
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261
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
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262 // JSON numbers must be finite. Encode non-finite numbers as null.
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casties
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263
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
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264 return isFinite(value) ? String(value) : 'null';
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
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265
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
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266 case 'boolean':
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
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267 case 'null':
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
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268
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
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269 // If the value is a boolean or null, convert it to a string. Note:
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
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270 // typeof null does not produce 'null'. The case is included here in
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
casties
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271 // the remote chance that this gets fixed someday.
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272
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
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273 return String(value);
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274
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
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275 // If the type is 'object', we might be dealing with an object or an array or
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
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276 // null.
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277
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
casties
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278 case 'object':
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
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279
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
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280 // Due to a specification blunder in ECMAScript, typeof null is 'object',
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
casties
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281 // so watch out for that case.
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282
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
casties
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283 if (!value) {
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
casties
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284 return 'null';
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
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285 }
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
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286
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
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287 // Make an array to hold the partial results of stringifying this object value.
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288
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
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289 gap += indent;
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
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290 partial = [];
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
casties
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291
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
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292 // Is the value an array?
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casties
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293
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
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294 if (Object.prototype.toString.apply(value) === '[object Array]') {
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
casties
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295
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
casties
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296 // The value is an array. Stringify every element. Use null as a placeholder
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
casties
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297 // for non-JSON values.
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298
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
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299 length = value.length;
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
casties
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300 for (i = 0; i < length; i += 1) {
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
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301 partial[i] = str(i, value) || 'null';
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302 }
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
casties
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303
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
casties
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304 // Join all of the elements together, separated with commas, and wrap them in
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
casties
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305 // brackets.
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
casties
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306
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
casties
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307 v = partial.length === 0 ? '[]' :
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
casties
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308 gap ? '[\n' + gap +
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
casties
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309 partial.join(',\n' + gap) + '\n' +
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casties
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310 mind + ']' :
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
casties
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311 '[' + partial.join(',') + ']';
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
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312 gap = mind;
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
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313 return v;
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314 }
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
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315
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
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316 // If the replacer is an array, use it to select the members to be stringified.
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
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317
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
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318 if (rep && typeof rep === 'object') {
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
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319 length = rep.length;
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
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320 for (i = 0; i < length; i += 1) {
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
casties
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321 k = rep[i];
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
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322 if (typeof k === 'string') {
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
casties
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323 v = str(k, value);
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
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324 if (v) {
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
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325 partial.push(quote(k) + (gap ? ': ' : ':') + v);
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
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diff changeset
326 }
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
casties
parents:
diff changeset
327 }
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
casties
parents:
diff changeset
328 }
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
casties
parents:
diff changeset
329 } else {
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
casties
parents:
diff changeset
330
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
casties
parents:
diff changeset
331 // Otherwise, iterate through all of the keys in the object.
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
casties
parents:
diff changeset
332
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
casties
parents:
diff changeset
333 for (k in value) {
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
casties
parents:
diff changeset
334 if (Object.hasOwnProperty.call(value, k)) {
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
casties
parents:
diff changeset
335 v = str(k, value);
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
casties
parents:
diff changeset
336 if (v) {
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
casties
parents:
diff changeset
337 partial.push(quote(k) + (gap ? ': ' : ':') + v);
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
casties
parents:
diff changeset
338 }
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
casties
parents:
diff changeset
339 }
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
casties
parents:
diff changeset
340 }
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
casties
parents:
diff changeset
341 }
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
casties
parents:
diff changeset
342
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
casties
parents:
diff changeset
343 // Join all of the member texts together, separated with commas,
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
casties
parents:
diff changeset
344 // and wrap them in braces.
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
casties
parents:
diff changeset
345
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
casties
parents:
diff changeset
346 v = partial.length === 0 ? '{}' :
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
casties
parents:
diff changeset
347 gap ? '{\n' + gap + partial.join(',\n' + gap) + '\n' +
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
casties
parents:
diff changeset
348 mind + '}' : '{' + partial.join(',') + '}';
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
casties
parents:
diff changeset
349 gap = mind;
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
casties
parents:
diff changeset
350 return v;
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
casties
parents:
diff changeset
351 }
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
casties
parents:
diff changeset
352 }
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
casties
parents:
diff changeset
353
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
casties
parents:
diff changeset
354 // If the JSON object does not yet have a stringify method, give it one.
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
casties
parents:
diff changeset
355
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
casties
parents:
diff changeset
356 if (typeof JSON.stringify !== 'function') {
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
casties
parents:
diff changeset
357 JSON.stringify = function (value, replacer, space) {
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
casties
parents:
diff changeset
358
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
casties
parents:
diff changeset
359 // The stringify method takes a value and an optional replacer, and an optional
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
casties
parents:
diff changeset
360 // space parameter, and returns a JSON text. The replacer can be a function
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
casties
parents:
diff changeset
361 // that can replace values, or an array of strings that will select the keys.
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
casties
parents:
diff changeset
362 // A default replacer method can be provided. Use of the space parameter can
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
casties
parents:
diff changeset
363 // produce text that is more easily readable.
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
casties
parents:
diff changeset
364
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
casties
parents:
diff changeset
365 var i;
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
casties
parents:
diff changeset
366 gap = '';
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
casties
parents:
diff changeset
367 indent = '';
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
casties
parents:
diff changeset
368
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
casties
parents:
diff changeset
369 // If the space parameter is a number, make an indent string containing that
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
casties
parents:
diff changeset
370 // many spaces.
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
casties
parents:
diff changeset
371
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
casties
parents:
diff changeset
372 if (typeof space === 'number') {
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
casties
parents:
diff changeset
373 for (i = 0; i < space; i += 1) {
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
casties
parents:
diff changeset
374 indent += ' ';
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
casties
parents:
diff changeset
375 }
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
casties
parents:
diff changeset
376
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
casties
parents:
diff changeset
377 // If the space parameter is a string, it will be used as the indent string.
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
casties
parents:
diff changeset
378
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
casties
parents:
diff changeset
379 } else if (typeof space === 'string') {
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
casties
parents:
diff changeset
380 indent = space;
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
casties
parents:
diff changeset
381 }
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
casties
parents:
diff changeset
382
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
casties
parents:
diff changeset
383 // If there is a replacer, it must be a function or an array.
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
casties
parents:
diff changeset
384 // Otherwise, throw an error.
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
casties
parents:
diff changeset
385
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
casties
parents:
diff changeset
386 rep = replacer;
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
casties
parents:
diff changeset
387 if (replacer && typeof replacer !== 'function' &&
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
casties
parents:
diff changeset
388 (typeof replacer !== 'object' ||
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
casties
parents:
diff changeset
389 typeof replacer.length !== 'number')) {
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
casties
parents:
diff changeset
390 throw new Error('JSON.stringify');
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
casties
parents:
diff changeset
391 }
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
casties
parents:
diff changeset
392
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
casties
parents:
diff changeset
393 // Make a fake root object containing our value under the key of ''.
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
casties
parents:
diff changeset
394 // Return the result of stringifying the value.
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
casties
parents:
diff changeset
395
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
casties
parents:
diff changeset
396 return str('', {'': value});
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
casties
parents:
diff changeset
397 };
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
casties
parents:
diff changeset
398 }
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
casties
parents:
diff changeset
399
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
casties
parents:
diff changeset
400
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
casties
parents:
diff changeset
401 // If the JSON object does not yet have a parse method, give it one.
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
casties
parents:
diff changeset
402
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
casties
parents:
diff changeset
403 if (typeof JSON.parse !== 'function') {
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
casties
parents:
diff changeset
404 JSON.parse = function (text, reviver) {
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
casties
parents:
diff changeset
405
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
casties
parents:
diff changeset
406 // The parse method takes a text and an optional reviver function, and returns
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
casties
parents:
diff changeset
407 // a JavaScript value if the text is a valid JSON text.
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
casties
parents:
diff changeset
408
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
casties
parents:
diff changeset
409 var j;
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
casties
parents:
diff changeset
410
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
casties
parents:
diff changeset
411 function walk(holder, key) {
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
casties
parents:
diff changeset
412
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
casties
parents:
diff changeset
413 // The walk method is used to recursively walk the resulting structure so
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
casties
parents:
diff changeset
414 // that modifications can be made.
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
casties
parents:
diff changeset
415
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
casties
parents:
diff changeset
416 var k, v, value = holder[key];
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
casties
parents:
diff changeset
417 if (value && typeof value === 'object') {
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
casties
parents:
diff changeset
418 for (k in value) {
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
casties
parents:
diff changeset
419 if (Object.hasOwnProperty.call(value, k)) {
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
casties
parents:
diff changeset
420 v = walk(value, k);
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
casties
parents:
diff changeset
421 if (v !== undefined) {
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
casties
parents:
diff changeset
422 value[k] = v;
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
casties
parents:
diff changeset
423 } else {
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
casties
parents:
diff changeset
424 delete value[k];
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
casties
parents:
diff changeset
425 }
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
casties
parents:
diff changeset
426 }
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
casties
parents:
diff changeset
427 }
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
casties
parents:
diff changeset
428 }
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
casties
parents:
diff changeset
429 return reviver.call(holder, key, value);
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
casties
parents:
diff changeset
430 }
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
casties
parents:
diff changeset
431
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
casties
parents:
diff changeset
432
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
casties
parents:
diff changeset
433 // Parsing happens in four stages. In the first stage, we replace certain
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
casties
parents:
diff changeset
434 // Unicode characters with escape sequences. JavaScript handles many characters
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
casties
parents:
diff changeset
435 // incorrectly, either silently deleting them, or treating them as line endings.
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
casties
parents:
diff changeset
436
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
casties
parents:
diff changeset
437 text = String(text);
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
casties
parents:
diff changeset
438 cx.lastIndex = 0;
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
casties
parents:
diff changeset
439 if (cx.test(text)) {
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
casties
parents:
diff changeset
440 text = text.replace(cx, function (a) {
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
casties
parents:
diff changeset
441 return '\\u' +
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
casties
parents:
diff changeset
442 ('0000' + a.charCodeAt(0).toString(16)).slice(-4);
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
casties
parents:
diff changeset
443 });
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
casties
parents:
diff changeset
444 }
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
casties
parents:
diff changeset
445
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
casties
parents:
diff changeset
446 // In the second stage, we run the text against regular expressions that look
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
casties
parents:
diff changeset
447 // for non-JSON patterns. We are especially concerned with '()' and 'new'
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
casties
parents:
diff changeset
448 // because they can cause invocation, and '=' because it can cause mutation.
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
casties
parents:
diff changeset
449 // But just to be safe, we want to reject all unexpected forms.
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
casties
parents:
diff changeset
450
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
casties
parents:
diff changeset
451 // We split the second stage into 4 regexp operations in order to work around
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
casties
parents:
diff changeset
452 // crippling inefficiencies in IE's and Safari's regexp engines. First we
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
casties
parents:
diff changeset
453 // replace the JSON backslash pairs with '@' (a non-JSON character). Second, we
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
casties
parents:
diff changeset
454 // replace all simple value tokens with ']' characters. Third, we delete all
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
casties
parents:
diff changeset
455 // open brackets that follow a colon or comma or that begin the text. Finally,
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
casties
parents:
diff changeset
456 // we look to see that the remaining characters are only whitespace or ']' or
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
casties
parents:
diff changeset
457 // ',' or ':' or '{' or '}'. If that is so, then the text is safe for eval.
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
casties
parents:
diff changeset
458
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
casties
parents:
diff changeset
459 if (/^[\],:{}\s]*$/
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
casties
parents:
diff changeset
460 .test(text.replace(/\\(?:["\\\/bfnrt]|u[0-9a-fA-F]{4})/g, '@')
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
casties
parents:
diff changeset
461 .replace(/"[^"\\\n\r]*"|true|false|null|-?\d+(?:\.\d*)?(?:[eE][+\-]?\d+)?/g, ']')
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
casties
parents:
diff changeset
462 .replace(/(?:^|:|,)(?:\s*\[)+/g, ''))) {
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
casties
parents:
diff changeset
463
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
casties
parents:
diff changeset
464 // In the third stage we use the eval function to compile the text into a
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
casties
parents:
diff changeset
465 // JavaScript structure. The '{' operator is subject to a syntactic ambiguity
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
casties
parents:
diff changeset
466 // in JavaScript: it can begin a block or an object literal. We wrap the text
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
casties
parents:
diff changeset
467 // in parens to eliminate the ambiguity.
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
casties
parents:
diff changeset
468
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
casties
parents:
diff changeset
469 j = eval('(' + text + ')');
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
casties
parents:
diff changeset
470
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
casties
parents:
diff changeset
471 // In the optional fourth stage, we recursively walk the new structure, passing
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
casties
parents:
diff changeset
472 // each name/value pair to a reviver function for possible transformation.
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
casties
parents:
diff changeset
473
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
casties
parents:
diff changeset
474 return typeof reviver === 'function' ?
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
casties
parents:
diff changeset
475 walk({'': j}, '') : j;
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
casties
parents:
diff changeset
476 }
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
casties
parents:
diff changeset
477
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
casties
parents:
diff changeset
478 // If the text is not JSON parseable, then a SyntaxError is thrown.
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
casties
parents:
diff changeset
479
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
casties
parents:
diff changeset
480 throw new SyntaxError('JSON.parse');
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
casties
parents:
diff changeset
481 };
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
casties
parents:
diff changeset
482 }
6356e78ccf5c new version contains Annotator JS files to be used with FilesystemSite.
casties
parents:
diff changeset
483 }());