src/cm/media/js/lib/yui/yui3-3.15.0/build/json-stringify-shim/json-stringify-shim-debug.js
changeset 602 e16a97fb364a
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/cm/media/js/lib/yui/yui3-3.15.0/build/json-stringify-shim/json-stringify-shim-debug.js	Mon Mar 10 15:19:48 2014 +0100
@@ -0,0 +1,233 @@
+YUI.add('json-stringify-shim', function (Y, NAME) {
+
+// All internals kept private for security reasons
+var Lang      = Y.Lang,
+    isFunction= Lang.isFunction,
+    isObject  = Lang.isObject,
+    isArray   = Lang.isArray,
+    _toStr    = Object.prototype.toString,
+    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 = /[\x00-\x07\x0b\x0e-\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.
+    _COMMON = [
+        [/\\/g, '\\\\'],
+        [/\"/g, '\\"'],
+        [/\x08/g, '\\b'],
+        [/\x09/g, '\\t'],
+        [/\x0a/g, '\\n'],
+        [/\x0c/g, '\\f'],
+        [/\x0d/g, '\\r']
+    ],
+    _COMMON_LENGTH = _COMMON.length,
+
+    // In-process optimization for special character escapes that haven't yet
+    // been promoted to _COMMON
+    _CHAR = {},
+
+    // Per-char counter to determine if it's worth fast tracking a special
+    // character escape sequence.
+    _CHAR_COUNT, _CACHE_THRESHOLD;
+
+// 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 (!_CHAR[c]) {
+        _CHAR[c] = '\\u'+('0000'+(+(c.charCodeAt(0))).toString(16)).slice(-4);
+        _CHAR_COUNT[c] = 0;
+    }
+
+    // === to avoid this conditional for the remainder of the current operation
+    if (++_CHAR_COUNT[c] === _CACHE_THRESHOLD) {
+        _COMMON.push([new RegExp(c, 'g'), _CHAR[c]]);
+        _COMMON_LENGTH = _COMMON.length;
+    }
+
+    return _CHAR[c];
+}
+
+// Enclose escaped strings in quotes
+function _string(s) {
+    var i, chr;
+
+    // Preprocess the string against common characters to avoid function
+    // overhead associated with replacement via function.
+    for (i = 0; i < _COMMON_LENGTH; i++) {
+        chr = _COMMON[i];
+        s = s.replace(chr[0], chr[1]);
+    }
+
+    // original function replace for the not-as-common set of chars
+    return QUOTE + s.replace(_SPECIAL, _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);
+}
+
+Y.JSON.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;
+
+    _CHAR_COUNT      = {};
+    _CACHE_THRESHOLD = Y.JSON.charCacheThreshold;
+
+    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},'');
+};
+
+// Property available for testing if the implementation being used
+// is native or a shim
+Y.JSON.stringify.isShim = true;
+
+
+}, '@VERSION@', {"requires": ["json-stringify"]});