Add JS files
This commit is contained in:
496
jssource/src_files/include/javascript/yui3/build/json/json.js
vendored
Executable file
496
jssource/src_files/include/javascript/yui3/build/json/json.js
vendored
Executable file
@@ -0,0 +1,496 @@
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/*
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Copyright (c) 2009, Yahoo! Inc. All rights reserved.
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Code licensed under the BSD License:
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http://developer.yahoo.net/yui/license.txt
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version: 3.0.0
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build: 1549
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*/
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YUI.add('json-parse', function(Y) {
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/**
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* <p>The JSON module adds support for serializing JavaScript objects into
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* JSON strings and parsing JavaScript objects from strings in JSON format.</p>
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*
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* <p>The JSON namespace is added to your YUI instance including static methods
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* Y.JSON.parse(..) and Y.JSON.stringify(..).</p>
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*
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||||
* <p>The functionality and method signatures follow the ECMAScript 5
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* specification. In browsers with native JSON support, the native
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||||
* implementation is used.</p>
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*
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* <p>The <code>json</code> module is a rollup of <code>json-parse</code> and
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||||
* <code>json-stringify</code>.</p>
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||||
*
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||||
* <p>As their names suggest, <code>json-parse</code> adds support for parsing
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* JSON data (Y.JSON.parse) and <code>json-stringify</code> for serializing
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||||
* JavaScript data into JSON strings (Y.JSON.stringify). You may choose to
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||||
* include either of the submodules individually if you don't need the
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* complementary functionality, or include the rollup for both.</p>
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||||
*
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||||
* @module json
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||||
* @class JSON
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||||
* @static
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||||
*/
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||||
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||||
/**
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||||
* Provides Y.JSON.parse method to accept JSON strings and return native
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||||
* JavaScript objects.
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||||
*
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||||
* @module json
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||||
* @submodule json-parse
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||||
* @for JSON
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||||
* @static
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||||
*/
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||||
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||||
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||||
// All internals kept private for security reasons
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||||
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||||
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||||
/**
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* Alias to native browser implementation of the JSON object if available.
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||||
*
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||||
* @property Native
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||||
* @type {Object}
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||||
* @private
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||||
*/
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||||
var _JSON = Y.config.win.JSON,
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Native = (Object.prototype.toString.call(_JSON) === '[object JSON]' && _JSON),
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||||
|
||||
/**
|
||||
* 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
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||||
* found.
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||||
*
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||||
* @property _UNICODE_EXCEPTIONS
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||||
* @type {RegExp}
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||||
* @private
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||||
*/
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_UNICODE_EXCEPTIONS = /[\u0000\u00ad\u0600-\u0604\u070f\u17b4\u17b5\u200c-\u200f\u2028-\u202f\u2060-\u206f\ufeff\ufff0-\uffff]/g,
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||||
|
||||
|
||||
/**
|
||||
* First step in the safety evaluation. Regex used to replace all escape
|
||||
* sequences (i.e. "\\", etc) with '@' characters (a non-JSON character).
|
||||
*
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||||
* @property _ESCAPES
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||||
* @type {RegExp}
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||||
* @private
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||||
*/
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||||
_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}
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||||
* @private
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||||
*/
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||||
_VALUES = /"[^"\\\n\r]*"|true|false|null|-?\d+(?:\.\d*)?(?:[eE][+\-]?\d+)?/g,
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||||
|
||||
/**
|
||||
* 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']});
|
||||
|
||||
Reference in New Issue
Block a user