Merge "Do not require iiurlwidth when getting thumbnails."
[mediawiki.git] / resources / lib / jquery / jquery.json.js
blob75953f4d23b7363428b40e623412f05d6be3f0a5
1 /**
2  * jQuery JSON plugin 2.4.0
3  *
4  * @author Brantley Harris, 2009-2011
5  * @author Timo Tijhof, 2011-2012
6  * @source This plugin is heavily influenced by MochiKit's serializeJSON, which is
7  *         copyrighted 2005 by Bob Ippolito.
8  * @source Brantley Harris wrote this plugin. It is based somewhat on the JSON.org
9  *         website's http://www.json.org/json2.js, which proclaims:
10  *         "NO WARRANTY EXPRESSED OR IMPLIED. USE AT YOUR OWN RISK.", a sentiment that
11  *         I uphold.
12  * @license MIT License <http://www.opensource.org/licenses/mit-license.php>
13  */
14 (function ($) {
15         'use strict';
17         var escape = /["\\\x00-\x1f\x7f-\x9f]/g,
18                 meta = {
19                         '\b': '\\b',
20                         '\t': '\\t',
21                         '\n': '\\n',
22                         '\f': '\\f',
23                         '\r': '\\r',
24                         '"' : '\\"',
25                         '\\': '\\\\'
26                 },
27                 hasOwn = Object.prototype.hasOwnProperty;
29         /**
30          * jQuery.toJSON
31          * Converts the given argument into a JSON representation.
32          *
33          * @param o {Mixed} The json-serializable *thing* to be converted
34          *
35          * If an object has a toJSON prototype, that will be used to get the representation.
36          * Non-integer/string keys are skipped in the object, as are keys that point to a
37          * function.
38          *
39          */
40         $.toJSON = typeof JSON === 'object' && JSON.stringify ? JSON.stringify : function (o) {
41                 if (o === null) {
42                         return 'null';
43                 }
45                 var pairs, k, name, val,
46                         type = $.type(o);
48                 if (type === 'undefined') {
49                         return undefined;
50                 }
52                 // Also covers instantiated Number and Boolean objects,
53                 // which are typeof 'object' but thanks to $.type, we
54                 // catch them here. I don't know whether it is right
55                 // or wrong that instantiated primitives are not
56                 // exported to JSON as an {"object":..}.
57                 // We choose this path because that's what the browsers did.
58                 if (type === 'number' || type === 'boolean') {
59                         return String(o);
60                 }
61                 if (type === 'string') {
62                         return $.quoteString(o);
63                 }
64                 if (typeof o.toJSON === 'function') {
65                         return $.toJSON(o.toJSON());
66                 }
67                 if (type === 'date') {
68                         var month = o.getUTCMonth() + 1,
69                                 day = o.getUTCDate(),
70                                 year = o.getUTCFullYear(),
71                                 hours = o.getUTCHours(),
72                                 minutes = o.getUTCMinutes(),
73                                 seconds = o.getUTCSeconds(),
74                                 milli = o.getUTCMilliseconds();
76                         if (month < 10) {
77                                 month = '0' + month;
78                         }
79                         if (day < 10) {
80                                 day = '0' + day;
81                         }
82                         if (hours < 10) {
83                                 hours = '0' + hours;
84                         }
85                         if (minutes < 10) {
86                                 minutes = '0' + minutes;
87                         }
88                         if (seconds < 10) {
89                                 seconds = '0' + seconds;
90                         }
91                         if (milli < 100) {
92                                 milli = '0' + milli;
93                         }
94                         if (milli < 10) {
95                                 milli = '0' + milli;
96                         }
97                         return '"' + year + '-' + month + '-' + day + 'T' +
98                                 hours + ':' + minutes + ':' + seconds +
99                                 '.' + milli + 'Z"';
100                 }
102                 pairs = [];
104                 if ($.isArray(o)) {
105                         for (k = 0; k < o.length; k++) {
106                                 pairs.push($.toJSON(o[k]) || 'null');
107                         }
108                         return '[' + pairs.join(',') + ']';
109                 }
111                 // Any other object (plain object, RegExp, ..)
112                 // Need to do typeof instead of $.type, because we also
113                 // want to catch non-plain objects.
114                 if (typeof o === 'object') {
115                         for (k in o) {
116                                 // Only include own properties,
117                                 // Filter out inherited prototypes
118                                 if (hasOwn.call(o, k)) {
119                                         // Keys must be numerical or string. Skip others
120                                         type = typeof k;
121                                         if (type === 'number') {
122                                                 name = '"' + k + '"';
123                                         } else if (type === 'string') {
124                                                 name = $.quoteString(k);
125                                         } else {
126                                                 continue;
127                                         }
128                                         type = typeof o[k];
130                                         // Invalid values like these return undefined
131                                         // from toJSON, however those object members
132                                         // shouldn't be included in the JSON string at all.
133                                         if (type !== 'function' && type !== 'undefined') {
134                                                 val = $.toJSON(o[k]);
135                                                 pairs.push(name + ':' + val);
136                                         }
137                                 }
138                         }
139                         return '{' + pairs.join(',') + '}';
140                 }
141         };
143         /**
144          * jQuery.evalJSON
145          * Evaluates a given json string.
146          *
147          * @param str {String}
148          */
149         $.evalJSON = typeof JSON === 'object' && JSON.parse ? JSON.parse : function (str) {
150                 /*jshint evil: true */
151                 return eval('(' + str + ')');
152         };
154         /**
155          * jQuery.secureEvalJSON
156          * Evals JSON in a way that is *more* secure.
157          *
158          * @param str {String}
159          */
160         $.secureEvalJSON = typeof JSON === 'object' && JSON.parse ? JSON.parse : function (str) {
161                 var filtered =
162                         str
163                         .replace(/\\["\\\/bfnrtu]/g, '@')
164                         .replace(/"[^"\\\n\r]*"|true|false|null|-?\d+(?:\.\d*)?(?:[eE][+\-]?\d+)?/g, ']')
165                         .replace(/(?:^|:|,)(?:\s*\[)+/g, '');
167                 if (/^[\],:{}\s]*$/.test(filtered)) {
168                         /*jshint evil: true */
169                         return eval('(' + str + ')');
170                 }
171                 throw new SyntaxError('Error parsing JSON, source is not valid.');
172         };
174         /**
175          * jQuery.quoteString
176          * Returns a string-repr of a string, escaping quotes intelligently.
177          * Mostly a support function for toJSON.
178          * Examples:
179          * >>> jQuery.quoteString('apple')
180          * "apple"
181          *
182          * >>> jQuery.quoteString('"Where are we going?", she asked.')
183          * "\"Where are we going?\", she asked."
184          */
185         $.quoteString = function (str) {
186                 if (str.match(escape)) {
187                         return '"' + str.replace(escape, function (a) {
188                                 var c = meta[a];
189                                 if (typeof c === 'string') {
190                                         return c;
191                                 }
192                                 c = a.charCodeAt();
193                                 return '\\u00' + Math.floor(c / 16).toString(16) + (c % 16).toString(16);
194                         }) + '"';
195                 }
196                 return '"' + str + '"';
197         };
199 }(jQuery));