--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/src/cm/media/js/lib/yui/yui_3.0.0b1/build/json/json-stringify.js Mon Nov 23 15:14:29 2009 +0100
@@ -0,0 +1,249 @@
+/*
+Copyright (c) 2009, Yahoo! Inc. All rights reserved.
+Code licensed under the BSD License:
+http://developer.yahoo.net/yui/license.txt
+version: 3.0.0b1
+build: 1163
+*/
+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 _toString = Object.prototype.toString,
+ Lang = Y.Lang,
+ isFunction= Lang.isFunction,
+ isArray = Lang.isArray,
+ type = Lang.type,
+ STRING = 'string',
+ NUMBER = 'number',
+ BOOLEAN = 'boolean',
+ OBJECT = 'object',
+ ARRAY = 'array',
+ REGEXP = 'regexp',
+ ERROR = 'error',
+ NULL = 'null',
+ DATE = 'date',
+ EMPTY = '',
+ OPEN_O = '{',
+ CLOSE_O = '}',
+ OPEN_A = '[',
+ CLOSE_A = ']',
+ COMMA = ',',
+ COMMA_CR = ",\n",
+ CR = "\n",
+ COLON = ':',
+ COLON_SP = ': ',
+ QUOTE = '"';
+
+Y.mix(Y.namespace('JSON'),{
+ /**
+ * Regex used to capture characters that need escaping before enclosing
+ * their containing string in quotes.
+ *
+ * @property _SPECIAL_CHARS
+ * @type {RegExp}
+ * @protected
+ */
+ _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.
+ *
+ * @property _CHARS
+ * @type {Object}
+ * @static
+ * @protected
+ */
+ _CHARS : {
+ '\b': '\\b',
+ '\t': '\\t',
+ '\n': '\\n',
+ '\f': '\\f',
+ '\r': '\\r',
+ '"' : '\\"',
+ '\\': '\\\\'
+ },
+
+ /**
+ * 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 QUOTE + d.getUTCFullYear() + '-' +
+ _zeroPad(d.getUTCMonth() + 1) + '-' +
+ _zeroPad(d.getUTCDate()) + 'T' +
+ _zeroPad(d.getUTCHours()) + COLON +
+ _zeroPad(d.getUTCMinutes()) + COLON +
+ _zeroPad(d.getUTCSeconds()) + 'Z' + QUOTE;
+ },
+
+ /**
+ * <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) {
+
+ var m = Y.JSON._CHARS,
+ str_re = Y.JSON._SPECIAL_CHARS,
+ rep = isFunction(w) ? w : null,
+ pstack = [], // Processing stack used for cyclical ref protection
+ _date = Y.JSON.dateToString, // Use configured date serialization
+ format = _toString.call(ind).match(/String|Number/);
+
+ if (rep || typeof w !== 'object') {
+ w = undefined;
+ }
+
+ if (format) {
+ // String instances and primatives are left alone. String objects
+ // coerce for the indenting operations.
+ if (format[0] === 'Number') {
+
+ // force numeric indent values between {0,100} per the spec
+ // This also converts Number instances to primative
+ ind = new Array(Math.min(Math.max(0,ind),100)+1).join(" ");
+ }
+
+ // turn off formatting for 0 or empty string
+ format = ind;
+ }
+
+ // escape encode special characters
+ function _char(c) {
+ if (!m[c]) {
+ m[c]='\\u'+('0000'+(+(c.charCodeAt(0))).toString(16)).slice(-4);
+ }
+ return m[c];
+ }
+
+ // Enclose the escaped string in double quotes
+ function _string(s) {
+ return QUOTE + s.replace(str_re, _char) + QUOTE;
+ }
+
+ // Check for cyclical references
+ function _cyclicalTest(o) {
+ for (var i = pstack.length - 1; i >= 0; --i) {
+ if (pstack[i] === o) {
+ throw new Error("JSON.stringify. Cyclical reference");
+ }
+ }
+ return false;
+ }
+
+ function _indent(s) {
+ return s.replace(/^/gm,ind);
+ }
+
+ function _object(o,arr) {
+ // Add the object to the processing stack
+ pstack.push(o);
+
+ var a = [],
+ colon = format ? COLON_SP : COLON,
+ i, j, len, k, v;
+
+ if (arr) { // Array
+ for (i = o.length - 1; i >= 0; --i) {
+ a[i] = _stringify(o,i) || NULL;
+ }
+ } else { // Object
+ // If whitelist provided, take only those keys
+ k = isArray(w) ? w : Y.Object.keys(o);
+
+ for (i = 0, j = 0, len = k.length; i < len; ++i) {
+ if (typeof k[i] === STRING) {
+ v = _stringify(o,k[i]);
+ if (v) {
+ a[j++] = _string(k[i]) + colon + v;
+ }
+ }
+ }
+ }
+
+ // remove the array from the stack
+ pstack.pop();
+
+ if (format && a.length) {
+ return arr ?
+ OPEN_A + CR + _indent(a.join(COMMA_CR)) + CR + CLOSE_A :
+ OPEN_O + CR + _indent(a.join(COMMA_CR)) + CR + CLOSE_O;
+ } else {
+ return arr ?
+ OPEN_A + a.join(COMMA) + CLOSE_A :
+ OPEN_O + a.join(COMMA) + CLOSE_O;
+ }
+ }
+
+ // Worker function. Fork behavior on data type and recurse objects.
+ function _stringify(h,key) {
+ var o = isFunction(rep) ? rep.call(h,key,h[key]) : h[key],
+ t = type(o);
+
+ if (t === OBJECT) {
+ if (/String|Number|Boolean/.test(_toString.call(o))) {
+ o = o.valueOf();
+ t = type(o);
+ }
+ }
+
+ switch (t) {
+ case STRING : return _string(o);
+ case NUMBER : return isFinite(o) ? o+EMPTY : NULL;
+ case BOOLEAN : return o+EMPTY;
+ case DATE : return _date(o);
+ case NULL : return NULL;
+ case ARRAY : _cyclicalTest(o); return _object(o,true);
+ case REGEXP : // intentional fall through
+ case ERROR : // intentional fall through
+ case OBJECT : _cyclicalTest(o); return _object(o);
+ default : return undefined;
+ }
+ }
+
+ // process the input
+ return _stringify({'':o},EMPTY);
+ }
+});
+
+
+}, '3.0.0b1' );