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+/*jslint evil: true, strict: false */
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+
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+/*members "", "\b", "\t", "\n", "\f", "\r", "\"", JSON, "\\", apply,
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+ call, charCodeAt, getUTCDate, getUTCFullYear, getUTCHours,
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+ getUTCMinutes, getUTCMonth, getUTCSeconds, hasOwnProperty, join,
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+ lastIndex, length, parse, prototype, push, replace, slice, stringify,
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+ test, toJSON, toString, valueOf
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+*/
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+
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+
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+// Create a JSON object only if one does not already exist. We create the
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+// methods in a closure to avoid creating global variables.
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+
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+if (!this.JSON) {
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+ this.JSON = {};
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+}
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+
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+(function () {
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+
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+ function f(n) {
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+ // Format integers to have at least two digits.
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+ return n < 10 ? '0' + n : n;
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+ }
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+
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+ if (typeof Date.prototype.toJSON !== 'function') {
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+
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+ Date.prototype.toJSON = function (key) {
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+
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+ return isFinite(this.valueOf()) ?
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+ this.getUTCFullYear() + '-' +
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+ f(this.getUTCMonth() + 1) + '-' +
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+ f(this.getUTCDate()) + 'T' +
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+ f(this.getUTCHours()) + ':' +
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+ f(this.getUTCMinutes()) + ':' +
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+ f(this.getUTCSeconds()) + 'Z' : null;
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+ };
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+
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+ String.prototype.toJSON =
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+ Number.prototype.toJSON =
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+ Boolean.prototype.toJSON = function (key) {
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+ return this.valueOf();
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+ };
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+ }
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+
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+ var cx = /[\u0000\u00ad\u0600-\u0604\u070f\u17b4\u17b5\u200c-\u200f\u2028-\u202f\u2060-\u206f\ufeff\ufff0-\uffff]/g,
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+ 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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+ gap,
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+ indent,
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+ meta = { // table of character substitutions
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+ '\b': '\\b',
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+ '\t': '\\t',
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+ '\n': '\\n',
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+ '\f': '\\f',
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+ '\r': '\\r',
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+ '"' : '\\"',
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+ '\\': '\\\\'
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+ },
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+ rep;
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+
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+
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+ function quote(string) {
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+
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+// If the string contains no control characters, no quote characters, and no
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+// backslash characters, then we can safely slap some quotes around it.
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+// Otherwise we must also replace the offending characters with safe escape
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+// sequences.
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+
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+ escapable.lastIndex = 0;
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+ return escapable.test(string) ?
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+ '"' + string.replace(escapable, function (a) {
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+ var c = meta[a];
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+ return typeof c === 'string' ? c :
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+ '\\u' + ('0000' + a.charCodeAt(0).toString(16)).slice(-4);
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+ }) + '"' :
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+ '"' + string + '"';
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+ }
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+
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+
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+ function str(key, holder) {
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+
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+// Produce a string from holder[key].
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+
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+ var i, // The loop counter.
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+ k, // The member key.
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+ v, // The member value.
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+ length,
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+ mind = gap,
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+ partial,
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+ value = holder[key];
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+
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+// If the value has a toJSON method, call it to obtain a replacement value.
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+
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+ if (value && typeof value === 'object' &&
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+ typeof value.toJSON === 'function') {
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+ value = value.toJSON(key);
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+ }
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+
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+// If we were called with a replacer function, then call the replacer to
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+// obtain a replacement value.
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+
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+ if (typeof rep === 'function') {
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+ value = rep.call(holder, key, value);
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+ }
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+
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+// What happens next depends on the value's type.
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+
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+ switch (typeof value) {
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+ case 'string':
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+ return quote(value);
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+
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+ case 'number':
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+
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+// JSON numbers must be finite. Encode non-finite numbers as null.
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+
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+ return isFinite(value) ? String(value) : 'null';
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+
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+ case 'boolean':
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+ case 'null':
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+
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+// If the value is a boolean or null, convert it to a string. Note:
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+// typeof null does not produce 'null'. The case is included here in
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+// the remote chance that this gets fixed someday.
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+
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+ return String(value);
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+
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+// If the type is 'object', we might be dealing with an object or an array or
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+// null.
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+
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+ case 'object':
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+
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+// Due to a specification blunder in ECMAScript, typeof null is 'object',
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+// so watch out for that case.
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+
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+ if (!value) {
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+ return 'null';
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+ }
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+
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+// Make an array to hold the partial results of stringifying this object value.
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+
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+ gap += indent;
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+ partial = [];
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+
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+// Is the value an array?
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+
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+ if (Object.prototype.toString.apply(value) === '[object Array]') {
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+
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+// The value is an array. Stringify every element. Use null as a placeholder
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+// for non-JSON values.
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+
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+ length = value.length;
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+ for (i = 0; i < length; i += 1) {
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+ partial[i] = str(i, value) || 'null';
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+ }
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+
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+// Join all of the elements together, separated with commas, and wrap them in
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+// brackets.
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+
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+ v = partial.length === 0 ? '[]' :
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+ gap ? '[\n' + gap +
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+ partial.join(',\n' + gap) + '\n' +
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+ mind + ']' :
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+ '[' + partial.join(',') + ']';
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+ gap = mind;
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+ return v;
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+ }
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+
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+// If the replacer is an array, use it to select the members to be stringified.
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+
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+ if (rep && typeof rep === 'object') {
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+ length = rep.length;
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+ for (i = 0; i < length; i += 1) {
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+ k = rep[i];
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+ if (typeof k === 'string') {
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+ v = str(k, value);
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+ if (v) {
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+ partial.push(quote(k) + (gap ? ': ' : ':') + v);
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+ }
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+ }
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+ }
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+ } else {
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+
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+// Otherwise, iterate through all of the keys in the object.
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+
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+ for (k in value) {
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+ if (Object.hasOwnProperty.call(value, k)) {
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+ v = str(k, value);
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+ if (v) {
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+ partial.push(quote(k) + (gap ? ': ' : ':') + v);
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+ }
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+ }
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+ }
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+ }
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+
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+// Join all of the member texts together, separated with commas,
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+// and wrap them in braces.
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+
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+ v = partial.length === 0 ? '{}' :
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+ gap ? '{\n' + gap + partial.join(',\n' + gap) + '\n' +
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+ mind + '}' : '{' + partial.join(',') + '}';
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+ gap = mind;
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+ return v;
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+ }
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+ }
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+
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+// If the JSON object does not yet have a stringify method, give it one.
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+
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+ if (typeof JSON.stringify !== 'function') {
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+ JSON.stringify = function (value, replacer, space) {
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+
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+// The stringify method takes a value and an optional replacer, and an optional
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+// space parameter, and returns a JSON text. The replacer can be a function
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+// that can replace values, or an array of strings that will select the keys.
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+// A default replacer method can be provided. Use of the space parameter can
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+// produce text that is more easily readable.
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+
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+ var i;
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+ gap = '';
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+ indent = '';
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+
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+// If the space parameter is a number, make an indent string containing that
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+// many spaces.
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+
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+ if (typeof space === 'number') {
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+ for (i = 0; i < space; i += 1) {
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+ indent += ' ';
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+ }
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+
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+// If the space parameter is a string, it will be used as the indent string.
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+
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+ } else if (typeof space === 'string') {
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+ indent = space;
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+ }
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+
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+// If there is a replacer, it must be a function or an array.
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+// Otherwise, throw an error.
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+
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+ rep = replacer;
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+ if (replacer && typeof replacer !== 'function' &&
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+ (typeof replacer !== 'object' ||
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+ typeof replacer.length !== 'number')) {
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+ throw new Error('JSON.stringify');
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+ }
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+
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+// Make a fake root object containing our value under the key of ''.
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+// Return the result of stringifying the value.
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+
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+ return str('', {'': value});
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+ };
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+ }
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+
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+
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+// If the JSON object does not yet have a parse method, give it one.
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+
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+ if (typeof JSON.parse !== 'function') {
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+ JSON.parse = function (text, reviver) {
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+
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+// The parse method takes a text and an optional reviver function, and returns
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+// a JavaScript value if the text is a valid JSON text.
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+
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+ var j;
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+
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+ function walk(holder, key) {
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+
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+// The walk method is used to recursively walk the resulting structure so
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+// that modifications can be made.
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+
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+ var k, v, value = holder[key];
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+ if (value && typeof value === 'object') {
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+ for (k in value) {
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+ if (Object.hasOwnProperty.call(value, k)) {
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+ v = walk(value, k);
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+ if (v !== undefined) {
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+ value[k] = v;
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+ } else {
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+ delete value[k];
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+ }
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+ }
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+ }
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+ }
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+ return reviver.call(holder, key, value);
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+ }
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+
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+
|
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+// Parsing happens in four stages. In the first stage, we replace certain
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+// Unicode characters with escape sequences. JavaScript handles many characters
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+// incorrectly, either silently deleting them, or treating them as line endings.
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+
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+ cx.lastIndex = 0;
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+ if (cx.test(text)) {
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+ text = text.replace(cx, function (a) {
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+ return '\\u' +
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+ ('0000' + a.charCodeAt(0).toString(16)).slice(-4);
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+ });
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+ }
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+
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+// In the second stage, we run the text against regular expressions that look
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+// for non-JSON patterns. We are especially concerned with '()' and 'new'
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+// because they can cause invocation, and '=' because it can cause mutation.
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+// But just to be safe, we want to reject all unexpected forms.
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+
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+// We split the second stage into 4 regexp operations in order to work around
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+// crippling inefficiencies in IE's and Safari's regexp engines. First we
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+// replace the JSON backslash pairs with '@' (a non-JSON character). Second, we
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+// replace all simple value tokens with ']' characters. Third, we delete all
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+// open brackets that follow a colon or comma or that begin the text. Finally,
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+// we look to see that the remaining characters are only whitespace or ']' or
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+// ',' or ':' or '{' or '}'. If that is so, then the text is safe for eval.
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+
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+ if (/^[\],:{}\s]*$/.
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+test(text.replace(/\\(?:["\\\/bfnrt]|u[0-9a-fA-F]{4})/g, '@').
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+replace(/"[^"\\\n\r]*"|true|false|null|-?\d+(?:\.\d*)?(?:[eE][+\-]?\d+)?/g, ']').
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+replace(/(?:^|:|,)(?:\s*\[)+/g, ''))) {
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+
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+// In the third stage we use the eval function to compile the text into a
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+// JavaScript structure. The '{' operator is subject to a syntactic ambiguity
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+// in JavaScript: it can begin a block or an object literal. We wrap the text
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+// in parens to eliminate the ambiguity.
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+
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+ j = eval('(' + text + ')');
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+
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+// In the optional fourth stage, we recursively walk the new structure, passing
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+// each name/value pair to a reviver function for possible transformation.
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+
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+ return typeof reviver === 'function' ?
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+ walk({'': j}, '') : j;
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+ }
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+
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+// If the text is not JSON parseable, then a SyntaxError is thrown.
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+
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+ throw new SyntaxError('JSON.parse');
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+ };
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+ }
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+}());
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