--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/src/cm/media/js/lib/yui/yui3.0.0/build/json/json.js Mon Nov 23 15:14:29 2009 +0100
@@ -0,0 +1,496 @@
+/*
+Copyright (c) 2009, Yahoo! Inc. All rights reserved.
+Code licensed under the BSD License:
+http://developer.yahoo.net/yui/license.txt
+version: 3.0.0
+build: 1549
+*/
+YUI.add('json-parse', function(Y) {
+
+/**
+ * <p>The JSON module adds support for serializing JavaScript objects into
+ * JSON strings and parsing JavaScript objects from strings in JSON format.</p>
+ *
+ * <p>The JSON namespace is added to your YUI instance including static methods
+ * Y.JSON.parse(..) and Y.JSON.stringify(..).</p>
+ *
+ * <p>The functionality and method signatures follow the ECMAScript 5
+ * specification. In browsers with native JSON support, the native
+ * implementation is used.</p>
+ *
+ * <p>The <code>json</code> module is a rollup of <code>json-parse</code> and
+ * <code>json-stringify</code>.</p>
+ *
+ * <p>As their names suggest, <code>json-parse</code> adds support for parsing
+ * JSON data (Y.JSON.parse) and <code>json-stringify</code> for serializing
+ * JavaScript data into JSON strings (Y.JSON.stringify). You may choose to
+ * include either of the submodules individually if you don't need the
+ * complementary functionality, or include the rollup for both.</p>
+ *
+ * @module json
+ * @class JSON
+ * @static
+ */
+
+/**
+ * Provides Y.JSON.parse method to accept JSON strings and return native
+ * JavaScript objects.
+ *
+ * @module json
+ * @submodule json-parse
+ * @for JSON
+ * @static
+ */
+
+
+// All internals kept private for security reasons
+
+
+ /**
+ * Alias to native browser implementation of the JSON object if available.
+ *
+ * @property Native
+ * @type {Object}
+ * @private
+ */
+var _JSON = Y.config.win.JSON,
+ Native = (Object.prototype.toString.call(_JSON) === '[object JSON]' && _JSON),
+
+ /**
+ * Replace certain Unicode characters that JavaScript may handle incorrectly
+ * during eval--either by deleting them or treating them as line
+ * endings--with escape sequences.
+ * IMPORTANT NOTE: This regex will be used to modify the input if a match is
+ * found.
+ *
+ * @property _UNICODE_EXCEPTIONS
+ * @type {RegExp}
+ * @private
+ */
+ _UNICODE_EXCEPTIONS = /[\u0000\u00ad\u0600-\u0604\u070f\u17b4\u17b5\u200c-\u200f\u2028-\u202f\u2060-\u206f\ufeff\ufff0-\uffff]/g,
+
+
+ /**
+ * First step in the safety evaluation. Regex used to replace all escape
+ * sequences (i.e. "\\", etc) with '@' characters (a non-JSON character).
+ *
+ * @property _ESCAPES
+ * @type {RegExp}
+ * @private
+ */
+ _ESCAPES = /\\(?:["\\\/bfnrt]|u[0-9a-fA-F]{4})/g,
+
+ /**
+ * Second step in the safety evaluation. Regex used to replace all simple
+ * values with ']' characters.
+ *
+ * @property _VALUES
+ * @type {RegExp}
+ * @private
+ */
+ _VALUES = /"[^"\\\n\r]*"|true|false|null|-?\d+(?:\.\d*)?(?:[eE][+\-]?\d+)?/g,
+
+ /**
+ * Third step in the safety evaluation. Regex used to remove all open
+ * square brackets following a colon, comma, or at the beginning of the
+ * string.
+ *
+ * @property _BRACKETS
+ * @type {RegExp}
+ * @private
+ */
+ _BRACKETS = /(?:^|:|,)(?:\s*\[)+/g,
+
+ /**
+ * Final step in the safety evaluation. Regex used to test the string left
+ * after all previous replacements for invalid characters.
+ *
+ * @property _UNSAFE
+ * @type {RegExp}
+ * @private
+ */
+ _UNSAFE = /[^\],:{}\s]/,
+
+ /**
+ * Replaces specific unicode characters with their appropriate \unnnn
+ * format. Some browsers ignore certain characters during eval.
+ *
+ * @method escapeException
+ * @param c {String} Unicode character
+ * @return {String} the \unnnn escapement of the character
+ * @private
+ */
+ _escapeException = function (c) {
+ return '\\u'+('0000'+(+(c.charCodeAt(0))).toString(16)).slice(-4);
+ },
+
+ /**
+ * Traverses nested objects, applying a reviver function to each (key,value)
+ * from the scope if the key:value's containing object. The value returned
+ * from the function will replace the original value in the key:value pair.
+ * If the value returned is undefined, the key will be omitted from the
+ * returned object.
+ *
+ * @method _revive
+ * @param data {MIXED} Any JavaScript data
+ * @param reviver {Function} filter or mutation function
+ * @return {MIXED} The results of the filtered data
+ * @private
+ */
+ _revive = function (data, reviver) {
+ var walk = function (o,key) {
+ var k,v,value = o[key];
+ if (value && typeof value === 'object') {
+ for (k in value) {
+ if (value.hasOwnProperty(k)) {
+ v = walk(value, k);
+ if (v === undefined) {
+ delete value[k];
+ } else {
+ value[k] = v;
+ }
+ }
+ }
+ }
+ return reviver.call(o,key,value);
+ };
+
+ return typeof reviver === 'function' ? walk({'':data},'') : data;
+ },
+
+ /**
+ * Parse a JSON string, returning the native JavaScript representation.
+ *
+ * @param s {string} JSON string data
+ * @param reviver {function} (optional) function(k,v) passed each key value
+ * pair of object literals, allowing pruning or altering values
+ * @return {MIXED} the native JavaScript representation of the JSON string
+ * @throws SyntaxError
+ * @method parse
+ * @static
+ */
+ // JavaScript implementation in lieu of native browser support. Based on
+ // the json2.js library from http://json.org
+ _parse = function (s,reviver) {
+ if (typeof s === 'string') {
+ // Replace certain Unicode characters that are otherwise handled
+ // incorrectly by some browser implementations.
+ // NOTE: This modifies the input if such characters are found!
+ s = s.replace(_UNICODE_EXCEPTIONS, _escapeException);
+
+ // Test for any remaining invalid characters
+ if (!_UNSAFE.test(s.replace(_ESCAPES,'@').
+ replace(_VALUES,']').
+ replace(_BRACKETS,''))) {
+
+ // Eval the text into a JavaScript data structure, apply any
+ // reviver function, and return
+ return _revive( eval('(' + s + ')'), reviver );
+ }
+ }
+
+ throw new SyntaxError('JSON.parse');
+ };
+
+Y.namespace('JSON').parse = function (s,reviver) {
+ return Native && Y.JSON.useNativeParse ?
+ Native.parse(s,reviver) : _parse(s,reviver);
+};
+
+/**
+ * Leverage native JSON parse if the browser has a native implementation.
+ * In general, this is a good idea. See the Known Issues section in the
+ * JSON user guide for caveats. The default value is true for browsers with
+ * native JSON support.
+ *
+ * @property useNativeParse
+ * @type Boolean
+ * @default true
+ * @static
+ */
+Y.JSON.useNativeParse = !!Native;
+
+
+}, '3.0.0' );
+YUI.add('json-stringify', function(Y) {
+
+/**
+ * Provides Y.JSON.stringify method for converting objects to JSON strings.
+ *
+ * @module json
+ * @submodule json-stringify
+ * @for JSON
+ * @static
+ */
+var _JSON = Y.config.win.JSON,
+ Lang = Y.Lang,
+ isFunction= Lang.isFunction,
+ isObject = Lang.isObject,
+ isArray = Lang.isArray,
+ _toStr = Object.prototype.toString,
+ Native = (_toStr.call(_JSON) === '[object JSON]' && _JSON),
+ UNDEFINED = 'undefined',
+ OBJECT = 'object',
+ NULL = 'null',
+ STRING = 'string',
+ NUMBER = 'number',
+ BOOLEAN = 'boolean',
+ DATE = 'date',
+ _allowable= {
+ 'undefined' : UNDEFINED,
+ 'string' : STRING,
+ '[object String]' : STRING,
+ 'number' : NUMBER,
+ '[object Number]' : NUMBER,
+ 'boolean' : BOOLEAN,
+ '[object Boolean]' : BOOLEAN,
+ '[object Date]' : DATE,
+ '[object RegExp]' : OBJECT
+ },
+ EMPTY = '',
+ OPEN_O = '{',
+ CLOSE_O = '}',
+ OPEN_A = '[',
+ CLOSE_A = ']',
+ COMMA = ',',
+ COMMA_CR = ",\n",
+ CR = "\n",
+ COLON = ':',
+ COLON_SP = ': ',
+ QUOTE = '"',
+ // Regex used to capture characters that need escaping before enclosing
+ // their containing string in quotes.
+ _SPECIAL_CHARS = /[\\\"\x00-\x1f\x7f-\x9f\u00ad\u0600-\u0604\u070f\u17b4\u17b5\u200c-\u200f\u2028-\u202f\u2060-\u206f\ufeff\ufff0-\uffff]/g,
+ // Character substitution map for common escapes and special characters.
+ _CHARS = {
+ '\b': '\\b',
+ '\t': '\\t',
+ '\n': '\\n',
+ '\f': '\\f',
+ '\r': '\\r',
+ '"' : '\\"',
+ '\\': '\\\\'
+ };
+
+
+// Utility function used to determine how to serialize a variable.
+function _type(o) {
+ var t = typeof o;
+ return _allowable[t] || // number, string, boolean, undefined
+ _allowable[_toStr.call(o)] || // Number, String, Boolean, Date
+ (t === OBJECT ?
+ (o ? OBJECT : NULL) : // object, array, null, misc natives
+ UNDEFINED); // function, unknown
+}
+
+// Escapes a special character to a safe Unicode representation
+function _char(c) {
+ if (!_CHARS[c]) {
+ _CHARS[c] = '\\u'+('0000'+(+(c.charCodeAt(0))).toString(16)).slice(-4);
+ }
+ return _CHARS[c];
+}
+
+// Enclose escaped strings in quotes
+function _string(s) {
+ return QUOTE + s.replace(_SPECIAL_CHARS, _char) + QUOTE;
+}
+
+// Adds the provided space to the beginning of every line in the input string
+function _indent(s,space) {
+ return s.replace(/^/gm, space);
+}
+
+// JavaScript implementation of stringify (see API declaration of stringify)
+function _stringify(o,w,space) {
+ if (o === undefined) {
+ return undefined;
+ }
+
+ var replacer = isFunction(w) ? w : null,
+ format = _toStr.call(space).match(/String|Number/) || [],
+ _date = Y.JSON.dateToString,
+ stack = [],
+ tmp,i,len;
+
+ if (replacer || !isArray(w)) {
+ w = undefined;
+ }
+
+ // Ensure whitelist keys are unique (bug 2110391)
+ if (w) {
+ tmp = {};
+ for (i = 0, len = w.length; i < len; ++i) {
+ tmp[w[i]] = true;
+ }
+ w = tmp;
+ }
+
+ // Per the spec, strings are truncated to 10 characters and numbers
+ // are converted to that number of spaces (max 10)
+ space = format[0] === 'Number' ?
+ new Array(Math.min(Math.max(0,space),10)+1).join(" ") :
+ (space || EMPTY).slice(0,10);
+
+ function _serialize(h,key) {
+ var value = h[key],
+ t = _type(value),
+ a = [],
+ colon = space ? COLON_SP : COLON,
+ arr, i, keys, k, v;
+
+ // Per the ECMA 5 spec, toJSON is applied before the replacer is
+ // called. Also per the spec, Date.prototype.toJSON has been added, so
+ // Date instances should be serialized prior to exposure to the
+ // replacer. I disagree with this decision, but the spec is the spec.
+ if (isObject(value) && isFunction(value.toJSON)) {
+ value = value.toJSON(key);
+ } else if (t === DATE) {
+ value = _date(value);
+ }
+
+ if (isFunction(replacer)) {
+ value = replacer.call(h,key,value);
+ }
+
+ if (value !== h[key]) {
+ t = _type(value);
+ }
+
+ switch (t) {
+ case DATE : // intentional fallthrough. Pre-replacer Dates are
+ // serialized in the toJSON stage. Dates here would
+ // have been produced by the replacer.
+ case OBJECT : break;
+ case STRING : return _string(value);
+ case NUMBER : return isFinite(value) ? value+EMPTY : NULL;
+ case BOOLEAN : return value+EMPTY;
+ case NULL : return NULL;
+ default : return undefined;
+ }
+
+ // Check for cyclical references in nested objects
+ for (i = stack.length - 1; i >= 0; --i) {
+ if (stack[i] === value) {
+ throw new Error("JSON.stringify. Cyclical reference");
+ }
+ }
+
+ arr = isArray(value);
+
+ // Add the object to the processing stack
+ stack.push(value);
+
+ if (arr) { // Array
+ for (i = value.length - 1; i >= 0; --i) {
+ a[i] = _serialize(value, i) || NULL;
+ }
+ } else { // Object
+ // If whitelist provided, take only those keys
+ keys = w || value;
+ i = 0;
+
+ for (k in keys) {
+ if (keys.hasOwnProperty(k)) {
+ v = _serialize(value, k);
+ if (v) {
+ a[i++] = _string(k) + colon + v;
+ }
+ }
+ }
+ }
+
+ // remove the array from the stack
+ stack.pop();
+
+ if (space && a.length) {
+ return arr ?
+ OPEN_A + CR + _indent(a.join(COMMA_CR), space) + CR + CLOSE_A :
+ OPEN_O + CR + _indent(a.join(COMMA_CR), space) + CR + CLOSE_O;
+ } else {
+ return arr ?
+ OPEN_A + a.join(COMMA) + CLOSE_A :
+ OPEN_O + a.join(COMMA) + CLOSE_O;
+ }
+ }
+
+ // process the input
+ return _serialize({'':o},'');
+}
+
+Y.mix(Y.namespace('JSON'),{
+ /**
+ * Leverage native JSON stringify if the browser has a native
+ * implementation. In general, this is a good idea. See the Known Issues
+ * section in the JSON user guide for caveats. The default value is true
+ * for browsers with native JSON support.
+ *
+ * @property JSON.useNativeStringify
+ * @type Boolean
+ * @default true
+ * @static
+ */
+ useNativeStringify : !!Native,
+
+ /**
+ * Serializes a Date instance as a UTC date string. Used internally by
+ * stringify. Override this method if you need Dates serialized in a
+ * different format.
+ *
+ * @method dateToString
+ * @param d {Date} The Date to serialize
+ * @return {String} stringified Date in UTC format YYYY-MM-DDTHH:mm:SSZ
+ * @static
+ */
+ dateToString : function (d) {
+ function _zeroPad(v) {
+ return v < 10 ? '0' + v : v;
+ }
+
+ return d.getUTCFullYear() + '-' +
+ _zeroPad(d.getUTCMonth() + 1) + '-' +
+ _zeroPad(d.getUTCDate()) + 'T' +
+ _zeroPad(d.getUTCHours()) + COLON +
+ _zeroPad(d.getUTCMinutes()) + COLON +
+ _zeroPad(d.getUTCSeconds()) + 'Z';
+ },
+
+ /**
+ * <p>Converts an arbitrary value to a JSON string representation.</p>
+ *
+ * <p>Objects with cyclical references will trigger an exception.</p>
+ *
+ * <p>If a whitelist is provided, only matching object keys will be
+ * included. Alternately, a replacer function may be passed as the
+ * second parameter. This function is executed on every value in the
+ * input, and its return value will be used in place of the original value.
+ * This is useful to serialize specialized objects or class instances.</p>
+ *
+ * <p>If a positive integer or non-empty string is passed as the third
+ * parameter, the output will be formatted with carriage returns and
+ * indentation for readability. If a String is passed (such as "\t") it
+ * will be used once for each indentation level. If a number is passed,
+ * that number of spaces will be used.</p>
+ *
+ * @method stringify
+ * @param o {MIXED} any arbitrary value to convert to JSON string
+ * @param w {Array|Function} (optional) whitelist of acceptable object
+ * keys to include, or a replacer function to modify the
+ * raw value before serialization
+ * @param ind {Number|String} (optional) indentation character or depth of
+ * spaces to format the output.
+ * @return {string} JSON string representation of the input
+ * @static
+ */
+ stringify : function (o,w,ind) {
+ return Native && Y.JSON.useNativeStringify ?
+ Native.stringify(o,w,ind) : _stringify(o,w,ind);
+ }
+});
+
+
+}, '3.0.0' );
+
+
+YUI.add('json', function(Y){}, '3.0.0' ,{use:['json-parse', 'json-stringify']});
+