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web/wp-includes/js/json2.dev.js

changeset 136	bde1974c263b
child 194	32102edaa81b

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+:bde1974c263b
+/*
+http://www.JSON.org/json2.js
+2009-08-17
+Public Domain.
+NO WARRANTY EXPRESSED OR IMPLIED. USE AT YOUR OWN RISK.
+See http://www.JSON.org/js.html
+This file creates a global JSON object containing two methods: stringify
+and parse.
+JSON.stringify(value, replacer, space)
+value       any JavaScript value, usually an object or array.
+replacer    an optional parameter that determines how object
+values are stringified for objects. It can be a
+function or an array of strings.
+space       an optional parameter that specifies the indentation
+of nested structures. If it is omitted, the text will
+be packed without extra whitespace. If it is a number,
+it will specify the number of spaces to indent at each
+level. If it is a string (such as '\t' or '&nbsp;'),
+it contains the characters used to indent at each level.
+This method produces a JSON text from a JavaScript value.
+When an object value is found, if the object contains a toJSON
+method, its toJSON method will be called and the result will be
+stringified. A toJSON method does not serialize: it returns the
+value represented by the name/value pair that should be serialized,
+or undefined if nothing should be serialized. The toJSON method
+will be passed the key associated with the value, and this will be
+bound to the value
+For example, this would serialize Dates as ISO strings.
+Date.prototype.toJSON = function (key) {
+function f(n) {
+// Format integers to have at least two digits.
+return n < 10 ? '0' + n : n;
+}
+return this.getUTCFullYear()   + '-' +
+f(this.getUTCMonth() + 1) + '-' +
+f(this.getUTCDate())      + 'T' +
+f(this.getUTCHours())     + ':' +
+f(this.getUTCMinutes())   + ':' +
+f(this.getUTCSeconds())   + 'Z';
+};
+You can provide an optional replacer method. It will be passed the
+key and value of each member, with this bound to the containing
+object. The value that is returned from your method will be
+serialized. If your method returns undefined, then the member will
+be excluded from the serialization.
+If the replacer parameter is an array of strings, then it will be
+used to select the members to be serialized. It filters the results
+such that only members with keys listed in the replacer array are
+stringified.
+Values that do not have JSON representations, such as undefined or
+functions, will not be serialized. Such values in objects will be
+dropped; in arrays they will be replaced with null. You can use
+a replacer function to replace those with JSON values.
+JSON.stringify(undefined) returns undefined.
+The optional space parameter produces a stringification of the
+value that is filled with line breaks and indentation to make it
+easier to read.
+If the space parameter is a non-empty string, then that string will
+be used for indentation. If the space parameter is a number, then
+the indentation will be that many spaces.
+Example:
+text = JSON.stringify(['e', {pluribus: 'unum'}]);
+// text is '["e",{"pluribus":"unum"}]'
+text = JSON.stringify(['e', {pluribus: 'unum'}], null, '\t');
+// text is '[\n\t"e",\n\t{\n\t\t"pluribus": "unum"\n\t}\n]'
+text = JSON.stringify([new Date()], function (key, value) {
+return this[key] instanceof Date ?
+'Date(' + this[key] + ')' : value;
+});
+// text is '["Date(---current time---)"]'
+JSON.parse(text, reviver)
+This method parses a JSON text to produce an object or array.
+It can throw a SyntaxError exception.
+The optional reviver parameter is a function that can filter and
+transform the results. It receives each of the keys and values,
+and its return value is used instead of the original value.
+If it returns what it received, then the structure is not modified.
+If it returns undefined then the member is deleted.
+Example:
+// Parse the text. Values that look like ISO date strings will
+// be converted to Date objects.
+myData = JSON.parse(text, function (key, value) {
+var a;
+if (typeof value === 'string') {
+a =
+/^(\d{4})-(\d{2})-(\d{2})T(\d{2}):(\d{2}):(\d{2}(?:\.\d*)?)Z$/.exec(value);
+if (a) {
+return new Date(Date.UTC(+a[1], +a[2] - 1, +a[3], +a[4],
++a[5], +a[6]));
+}
+}
+return value;
+});
+myData = JSON.parse('["Date(09/09/2001)"]', function (key, value) {
+var d;
+if (typeof value === 'string' &&
+value.slice(0, 5) === 'Date(' &&
+value.slice(-1) === ')') {
+d = new Date(value.slice(5, -1));
+if (d) {
+return d;
+}
+}
+return value;
+});
+This is a reference implementation. You are free to copy, modify, or
+redistribute.
+This code should be minified before deployment.
+See http://javascript.crockford.com/jsmin.html
+USE YOUR OWN COPY. IT IS EXTREMELY UNWISE TO LOAD CODE FROM SERVERS YOU DO
+NOT CONTROL.
+*/
+/*jslint evil: true */
+/*members "", "\b", "\t", "\n", "\f", "\r", "\"", JSON, "\\", apply,
+call, charCodeAt, getUTCDate, getUTCFullYear, getUTCHours,
+getUTCMinutes, getUTCMonth, getUTCSeconds, hasOwnProperty, join,
+lastIndex, length, parse, prototype, push, replace, slice, stringify,
+test, toJSON, toString, valueOf
+*/
+"use strict";
+// Create a JSON object only if one does not already exist. We create the
+// methods in a closure to avoid creating global variables.
+if (!this.JSON) {
+this.JSON = {};
+}
+(function () {
+function f(n) {
+// Format integers to have at least two digits.
+return n < 10 ? '0' + n : n;
+}
+if (typeof Date.prototype.toJSON !== 'function') {
+Date.prototype.toJSON = function (key) {
+return isFinite(this.valueOf()) ?
+this.getUTCFullYear()   + '-' +
+f(this.getUTCMonth() + 1) + '-' +
+f(this.getUTCDate())      + 'T' +
+f(this.getUTCHours())     + ':' +
+f(this.getUTCMinutes())   + ':' +
+f(this.getUTCSeconds())   + 'Z' : null;
+};
+String.prototype.toJSON =
+Number.prototype.toJSON =
+Boolean.prototype.toJSON = function (key) {
+return this.valueOf();
+};
+}
+var cx = /[\u0000\u00ad\u0600-\u0604\u070f\u17b4\u17b5\u200c-\u200f\u2028-\u202f\u2060-\u206f\ufeff\ufff0-\uffff]/g,
+escapable = /[\\\"\x00-\x1f\x7f-\x9f\u00ad\u0600-\u0604\u070f\u17b4\u17b5\u200c-\u200f\u2028-\u202f\u2060-\u206f\ufeff\ufff0-\uffff]/g,
+gap,
+indent,
+meta = {    // table of character substitutions
+'\b': '\\b',
+'\t': '\\t',
+'\n': '\\n',
+'\f': '\\f',
+'\r': '\\r',
+'"' : '\\"',
+'\\': '\\\\'
+},
+rep;
+function quote(string) {
+// If the string contains no control characters, no quote characters, and no
+// backslash characters, then we can safely slap some quotes around it.
+// Otherwise we must also replace the offending characters with safe escape
+// sequences.
+escapable.lastIndex = 0;
+return escapable.test(string) ?
+'"' + string.replace(escapable, function (a) {
+var c = meta[a];
+return typeof c === 'string' ? c :
+'\\u' + ('0000' + a.charCodeAt(0).toString(16)).slice(-4);
+}) + '"' :
+'"' + string + '"';
+}
+function str(key, holder) {
+// Produce a string from holder[key].
+var i,          // The loop counter.
+k,          // The member key.
+v,          // The member value.
+length,
+mind = gap,
+partial,
+value = holder[key];
+// If the value has a toJSON method, call it to obtain a replacement value.
+if (value && typeof value === 'object' &&
+typeof value.toJSON === 'function') {
+value = value.toJSON(key);
+}
+// If we were called with a replacer function, then call the replacer to
+// obtain a replacement value.
+if (typeof rep === 'function') {
+value = rep.call(holder, key, value);
+}
+// What happens next depends on the value's type.
+switch (typeof value) {
+case 'string':
+return quote(value);
+case 'number':
+// JSON numbers must be finite. Encode non-finite numbers as null.
+return isFinite(value) ? String(value) : 'null';
+case 'boolean':
+case 'null':
+// If the value is a boolean or null, convert it to a string. Note:
+// typeof null does not produce 'null'. The case is included here in
+// the remote chance that this gets fixed someday.
+return String(value);
+// If the type is 'object', we might be dealing with an object or an array or
+// null.
+case 'object':
+// Due to a specification blunder in ECMAScript, typeof null is 'object',
+// so watch out for that case.
+if (!value) {
+return 'null';
+}
+// Make an array to hold the partial results of stringifying this object value.
+gap += indent;
+partial = [];
+// Is the value an array?
+if (Object.prototype.toString.apply(value) === '[object Array]') {
+// The value is an array. Stringify every element. Use null as a placeholder
+// for non-JSON values.
+length = value.length;
+for (i = 0; i < length; i += 1) {
+partial[i] = str(i, value) || 'null';
+}
+// Join all of the elements together, separated with commas, and wrap them in
+// brackets.
+v = partial.length === 0 ? '[]' :
+gap ? '[\n' + gap +
+partial.join(',\n' + gap) + '\n' +
+mind + ']' :
+'[' + partial.join(',') + ']';
+gap = mind;
+return v;
+}
+// If the replacer is an array, use it to select the members to be stringified.
+if (rep && typeof rep === 'object') {
+length = rep.length;
+for (i = 0; i < length; i += 1) {
+k = rep[i];
+if (typeof k === 'string') {
+v = str(k, value);
+if (v) {
+partial.push(quote(k) + (gap ? ': ' : ':') + v);
+}
+}
+}
+} else {
+// Otherwise, iterate through all of the keys in the object.
+for (k in value) {
+if (Object.hasOwnProperty.call(value, k)) {
+v = str(k, value);
+if (v) {
+partial.push(quote(k) + (gap ? ': ' : ':') + v);
+}
+}
+}
+}
+// Join all of the member texts together, separated with commas,
+// and wrap them in braces.
+v = partial.length === 0 ? '{}' :
+gap ? '{\n' + gap + partial.join(',\n' + gap) + '\n' +
+mind + '}' : '{' + partial.join(',') + '}';
+gap = mind;
+return v;
+}
+}
+// If the JSON object does not yet have a stringify method, give it one.
+if (typeof JSON.stringify !== 'function') {
+JSON.stringify = function (value, replacer, space) {
+// The stringify method takes a value and an optional replacer, and an optional
+// space parameter, and returns a JSON text. The replacer can be a function
+// that can replace values, or an array of strings that will select the keys.
+// A default replacer method can be provided. Use of the space parameter can
+// produce text that is more easily readable.
+var i;
+gap = '';
+indent = '';
+// If the space parameter is a number, make an indent string containing that
+// many spaces.
+if (typeof space === 'number') {
+for (i = 0; i < space; i += 1) {
+indent += ' ';
+}
+// If the space parameter is a string, it will be used as the indent string.
+} else if (typeof space === 'string') {
+indent = space;
+}
+// If there is a replacer, it must be a function or an array.
+// Otherwise, throw an error.
+rep = replacer;
+if (replacer && typeof replacer !== 'function' &&
+(typeof replacer !== 'object' ||
+typeof replacer.length !== 'number')) {
+throw new Error('JSON.stringify');
+}
+// Make a fake root object containing our value under the key of ''.
+// Return the result of stringifying the value.
+return str('', {'': value});
+};
+}
+// If the JSON object does not yet have a parse method, give it one.
+if (typeof JSON.parse !== 'function') {
+JSON.parse = function (text, reviver) {
+// The parse method takes a text and an optional reviver function, and returns
+// a JavaScript value if the text is a valid JSON text.
+var j;
+function walk(holder, key) {
+// The walk method is used to recursively walk the resulting structure so
+// that modifications can be made.
+var k, v, value = holder[key];
+if (value && typeof value === 'object') {
+for (k in value) {
+if (Object.hasOwnProperty.call(value, k)) {
+v = walk(value, k);
+if (v !== undefined) {
+value[k] = v;
+} else {
+delete value[k];
+}
+}
+}
+}
+return reviver.call(holder, key, value);
+}
+// Parsing happens in four stages. In the first stage, we replace certain
+// Unicode characters with escape sequences. JavaScript handles many characters
+// incorrectly, either silently deleting them, or treating them as line endings.
+cx.lastIndex = 0;
+if (cx.test(text)) {
+text = text.replace(cx, function (a) {
+return '\\u' +
+('0000' + a.charCodeAt(0).toString(16)).slice(-4);
+});
+}
+// In the second stage, we run the text against regular expressions that look
+// for non-JSON patterns. We are especially concerned with '()' and 'new'
+// because they can cause invocation, and '=' because it can cause mutation.
+// But just to be safe, we want to reject all unexpected forms.
+// We split the second stage into 4 regexp operations in order to work around
+// crippling inefficiencies in IE's and Safari's regexp engines. First we
+// replace the JSON backslash pairs with '@' (a non-JSON character). Second, we
+// replace all simple value tokens with ']' characters. Third, we delete all
+// open brackets that follow a colon or comma or that begin the text. Finally,
+// we look to see that the remaining characters are only whitespace or ']' or
+// ',' or ':' or '{' or '}'. If that is so, then the text is safe for eval.
+if (/^[\],:{}\s]*$/.
+test(text.replace(/\\(?:["\\\/bfnrt]|u[0-9a-fA-F]{4})/g, '@').
+replace(/"[^"\\\n\r]*"|true|false|null|-?\d+(?:\.\d*)?(?:[eE][+\-]?\d+)?/g, ']').
+replace(/(?:^|:|,)(?:\s*\[)+/g, ''))) {
+// In the third stage we use the eval function to compile the text into a
+// JavaScript structure. The '{' operator is subject to a syntactic ambiguity
+// in JavaScript: it can begin a block or an object literal. We wrap the text
+// in parens to eliminate the ambiguity.
+j = eval('(' + text + ')');
+// In the optional fourth stage, we recursively walk the new structure, passing
+// each name/value pair to a reviver function for possible transformation.
+return typeof reviver === 'function' ?
+walk({'': j}, '') : j;
+}
+// If the text is not JSON parseable, then a SyntaxError is thrown.
+throw new SyntaxError('JSON.parse');
+};
+}
+}());

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