https://screenonline.jp/static/lib/js/jquery.json-2.3.js

1/**
2 * jQuery JSON Plugin
3 * version: 2.3 (2011-09-17)
4 *
5 * This document is licensed as free software under the terms of the
6 * MIT License: http://www.opensource.org/licenses/mit-license.php
7 *
8 * 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 *
13 * It is also influenced heavily by MochiKit's serializeJSON, which is
14 * copyrighted 2005 by Bob Ippolito.
15 */
16
17(function( $ ) {
18
19	var	escapeable = /["\\\x00-\x1f\x7f-\x9f]/g,
20		meta = {
21			'\b': '\\b',
22			'\t': '\\t',
23			'\n': '\\n',
24			'\f': '\\f',
25			'\r': '\\r',
26			'"' : '\\"',
27			'\\': '\\\\'
28		};
29
30	/**
31	 * jQuery.toJSON
32	 * Converts the given argument into a JSON respresentation.
33	 *
34	 * @param o {Mixed} The json-serializble *thing* to be converted
35	 *
36	 * If an object has a toJSON prototype, that will be used to get the representation.
37	 * Non-integer/string keys are skipped in the object, as are keys that point to a
38	 * function.
39	 *
40	 */
41	$.toJSON = typeof JSON === 'object' && JSON.stringify
42		? JSON.stringify
43		: function( o ) {
44
45		if ( o === null ) {
46			return 'null';
47		}
48
49		var type = typeof o;
50
51		if ( type === 'undefined' ) {
52			return undefined;
53		}
54		if ( type === 'number' || type === 'boolean' ) {
55			return '' + o;
56		}
57		if ( type === 'string') {
58			return $.quoteString( o );
59		}
60		if ( type === 'object' ) {
61			if ( typeof o.toJSON === 'function' ) {
62				return $.toJSON( o.toJSON() );
63			}
64			if ( o.constructor === Date ) {
65				var	month = o.getUTCMonth() + 1,
66					day = o.getUTCDate(),
67					year = o.getUTCFullYear(),
68					hours = o.getUTCHours(),
69					minutes = o.getUTCMinutes(),
70					seconds = o.getUTCSeconds(),
71					milli = o.getUTCMilliseconds();
72
73				if ( month < 10 ) {
74					month = '0' + month;
75				}
76				if ( day < 10 ) {
77					day = '0' + day;
78				}
79				if ( hours < 10 ) {
80					hours = '0' + hours;
81				}
82				if ( minutes < 10 ) {
83					minutes = '0' + minutes;
84				}
85				if ( seconds < 10 ) {
86					seconds = '0' + seconds;
87				}
88				if ( milli < 100 ) {
89					milli = '0' + milli;
90				}
91				if ( milli < 10 ) {
92					milli = '0' + milli;
93				}
94				return '"' + year + '-' + month + '-' + day + 'T' +
95					hours + ':' + minutes + ':' + seconds +
96					'.' + milli + 'Z"';
97			}
98			if ( o.constructor === Array ) {
99				var ret = [];
100				for ( var i = 0; i < o.length; i++ ) {
101					ret.push( $.toJSON( o[i] ) || 'null' );
102				}
103				return '[' + ret.join(',') + ']';
104			}
105			var	name,
106				val,
107				pairs = [];
108			for ( var k in o ) {
109				type = typeof k;
110				if ( type === 'number' ) {
111					name = '"' + k + '"';
112				} else if (type === 'string') {
113					name = $.quoteString(k);
114				} else {
115					// Keys must be numerical or string. Skip others
116					continue;
117				}
118				type = typeof o[k];
119
120				if ( type === 'function' || type === 'undefined' ) {
121					// Invalid values like these return undefined
122					// from toJSON, however those object members
123					// shouldn't be included in the JSON string at all.
124					continue;
125				}
126				val = $.toJSON( o[k] );
127				pairs.push( name + ':' + val );
128			}
129			return '{' + pairs.join( ',' ) + '}';
130		}
131	};
132
133	/**
134	 * jQuery.evalJSON
135	 * Evaluates a given piece of json source.
136	 *
137	 * @param src {String}
138	 */
139	$.evalJSON = typeof JSON === 'object' && JSON.parse
140		? JSON.parse
141		: function( src ) {
142		return eval('(' + src + ')');
143	};
144
145	/**
146	 * jQuery.secureEvalJSON
147	 * Evals JSON in a way that is *more* secure.
148	 *
149	 * @param src {String}
150	 */
151	$.secureEvalJSON = typeof JSON === 'object' && JSON.parse
152		? JSON.parse
153		: function( src ) {
154
155		var filtered = 
156			src
157			.replace( /\\["\\\/bfnrtu]/g, '@' )
158			.replace( /"[^"\\\n\r]*"|true|false|null|-?\d+(?:\.\d*)?(?:[eE][+\-]?\d+)?/g, ']')
159			.replace( /(?:^|:|,)(?:\s*\[)+/g, '');
160
161		if ( /^[\],:{}\s]*$/.test( filtered ) ) {
162			return eval( '(' + src + ')' );
163		} else {
164			throw new SyntaxError( 'Error parsing JSON, source is not valid.' );
165		}
166	};
167
168	/**
169	 * jQuery.quoteString
170	 * Returns a string-repr of a string, escaping quotes intelligently.

171	 * Mostly a support function for toJSON.
172	 * Examples:
173	 * >>> jQuery.quoteString('apple')
174	 * "apple"
175	 *
176	 * >>> jQuery.quoteString('"Where are we going?", she asked.')
177	 * "\"Where are we going?\", she asked."
178	 */
179	$.quoteString = function( string ) {
180		if ( string.match( escapeable ) ) {
181			return '"' + string.replace( escapeable, function( a ) {
182				var c = meta[a];
183				if ( typeof c === 'string' ) {
184					return c;
185				}
186				c = a.charCodeAt();
187				return '\\u00' + Math.floor(c / 16).toString(16) + (c % 16).toString(16);
188			}) + '"';
189		}
190		return '"' + string + '"';
191	};
192
193})( jQuery );