diff -r 000000000000 -r 40c8f766c9b8 src/cm/media/js/lib/yui/yui3.0.0/build/json/json-stringify-debug.js --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/cm/media/js/lib/yui/yui3.0.0/build/json/json-stringify-debug.js Mon Nov 23 15:14:29 2009 +0100 @@ -0,0 +1,285 @@ +/* +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-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'; + }, + + /** + *

Converts an arbitrary value to a JSON string representation.

+ * + *

Objects with cyclical references will trigger an exception.

+ * + *

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.

+ * + *

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.

+ * + * @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' );