Simon Grim
5 years ago
29 changed files with 163 additions and 372 deletions
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/** |
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* jQuery JSON plugin 2.4.0 |
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* |
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* @author Brantley Harris, 2009-2011 |
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* @author Timo Tijhof, 2011-2012 |
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* @source This plugin is heavily influenced by MochiKit's serializeJSON, which is |
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* copyrighted 2005 by Bob Ippolito. |
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* @source Brantley Harris wrote this plugin. It is based somewhat on the JSON.org |
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* website's http://www.json.org/json2.js, which proclaims:
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* "NO WARRANTY EXPRESSED OR IMPLIED. USE AT YOUR OWN RISK.", a sentiment that |
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* I uphold. |
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* @license MIT License <http://www.opensource.org/licenses/mit-license.php>
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*/ |
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(function ($) { |
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'use strict'; |
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var escape = /["\\\x00-\x1f]/g, |
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meta = { |
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'\b': '\\b', |
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'\t': '\\t', |
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'\n': '\\n', |
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'\f': '\\f', |
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'\r': '\\r', |
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'"' : '\\"', |
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'\\': '\\\\' |
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}, |
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hasOwn = Object.prototype.hasOwnProperty; |
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/** |
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* jQuery.toJSON |
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* Converts the given argument into a JSON representation. |
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* |
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* @param o {Mixed} The json-serializable *thing* to be converted |
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* |
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* If an object has a toJSON prototype, that will be used to get the representation. |
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* Non-integer/string keys are skipped in the object, as are keys that point to a |
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* function. |
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* |
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*/ |
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$.toJSON = typeof JSON === 'object' && JSON.stringify ? JSON.stringify : function (o) { |
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//$.toJSON = function (o) {
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if (o === null) { |
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return 'null'; |
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} |
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var pairs, k, name, val, |
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type = $.type(o); |
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if (type === 'undefined') { |
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return undefined; |
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} |
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// Also covers instantiated Number and Boolean objects,
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// which are typeof 'object' but thanks to $.type, we
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// catch them here. I don't know whether it is right
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// or wrong that instantiated primitives are not
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// exported to JSON as an {"object":..}.
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// We choose this path because that's what the browsers did.
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if (type === 'number' || type === 'boolean') { |
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return String(o); |
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} |
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if (type === 'string') { |
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return $.quoteString(o); |
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} |
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if (typeof o.toJSON === 'function') { |
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return $.toJSON(o.toJSON()); |
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} |
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if (type === 'date') { |
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var month = o.getUTCMonth() + 1, |
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day = o.getUTCDate(), |
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year = o.getUTCFullYear(), |
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hours = o.getUTCHours(), |
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minutes = o.getUTCMinutes(), |
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seconds = o.getUTCSeconds(), |
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milli = o.getUTCMilliseconds(); |
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if (month < 10) { |
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month = '0' + month; |
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} |
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if (day < 10) { |
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day = '0' + day; |
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} |
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if (hours < 10) { |
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hours = '0' + hours; |
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} |
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if (minutes < 10) { |
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minutes = '0' + minutes; |
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} |
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if (seconds < 10) { |
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seconds = '0' + seconds; |
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} |
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if (milli < 100) { |
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milli = '0' + milli; |
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} |
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if (milli < 10) { |
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milli = '0' + milli; |
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} |
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return '"' + year + '-' + month + '-' + day + 'T' + |
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hours + ':' + minutes + ':' + seconds + |
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'.' + milli + 'Z"'; |
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} |
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pairs = []; |
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if ($.isArray(o)) { |
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for (k = 0; k < o.length; k++) { |
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pairs.push($.toJSON(o[k]) || 'null'); |
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} |
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return '[' + pairs.join(',') + ']'; |
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} |
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// Any other object (plain object, RegExp, ..)
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// Need to do typeof instead of $.type, because we also
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// want to catch non-plain objects.
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if (typeof o === 'object') { |
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for (k in o) { |
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// Only include own properties,
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// Filter out inherited prototypes
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if (hasOwn.call(o, k)) { |
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// Keys must be numerical or string. Skip others
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type = typeof k; |
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if (type === 'number') { |
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name = '"' + k + '"'; |
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} else if (type === 'string') { |
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name = $.quoteString(k); |
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} else { |
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continue; |
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} |
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type = typeof o[k]; |
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// Invalid values like these return undefined
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// from toJSON, however those object members
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// shouldn't be included in the JSON string at all.
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if (type !== 'function' && type !== 'undefined') { |
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val = $.toJSON(o[k]); |
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pairs.push(name + ':' + val); |
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} |
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} |
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} |
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return '{' + pairs.join(',') + '}'; |
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} |
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}; |
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/** |
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* jQuery.evalJSON |
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* Evaluates a given json string. |
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* |
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* @param str {String} |
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*/ |
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$.evalJSON = typeof JSON === 'object' && JSON.parse ? JSON.parse : function (str) { |
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/*jshint evil: true */ |
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return eval('(' + str + ')'); |
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}; |
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/** |
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* jQuery.secureEvalJSON |
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* Evals JSON in a way that is *more* secure. |
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* |
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* @param str {String} |
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*/ |
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$.secureEvalJSON = typeof JSON === 'object' && JSON.parse ? JSON.parse : function (str) { |
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var filtered = |
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str |
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.replace(/\\["\\\/bfnrtu]/g, '@') |
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.replace(/"[^"\\\n\r]*"|true|false|null|-?\d+(?:\.\d*)?(?:[eE][+\-]?\d+)?/g, ']') |
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.replace(/(?:^|:|,)(?:\s*\[)+/g, ''); |
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if (/^[\],:{}\s]*$/.test(filtered)) { |
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/*jshint evil: true */ |
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return eval('(' + str + ')'); |
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} |
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throw new SyntaxError('Error parsing JSON, source is not valid.'); |
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}; |
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/** |
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* jQuery.quoteString |
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* Returns a string-repr of a string, escaping quotes intelligently. |
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* Mostly a support function for toJSON. |
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* Examples: |
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* >>> jQuery.quoteString('apple') |
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* "apple" |
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* |
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* >>> jQuery.quoteString('"Where are we going?", she asked.') |
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* "\"Where are we going?\", she asked." |
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*/ |
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$.quoteString = function (str) { |
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if (str.match(escape)) { |
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return '"' + str.replace(escape, function (a) { |
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var c = meta[a]; |
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if (typeof c === 'string') { |
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return c; |
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} |
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c = a.charCodeAt(); |
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return '\\u00' + Math.floor(c / 16).toString(16) + (c % 16).toString(16); |
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}) + '"'; |
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} |
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return '"' + str + '"'; |
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}; |
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}(jQuery)); |
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