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- <pre class="prettyprint lang-js"><div id="cls-Ext.util.JSON"></div>/**
- * @class Ext.util.JSON
- * Modified version of Douglas Crockford"s json.js that doesn"t
+<!DOCTYPE html>
+<html>
+<head>
+ <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
+ <title>The source code</title>
+ <link href="../prettify/prettify.css" type="text/css" rel="stylesheet" />
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+ .highlight { display: block; background-color: #ddd; }
+ </style>
+ <script type="text/javascript">
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+ document.getElementById(location.hash.replace(/#/, "")).className = "highlight";
+ }
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+</head>
+<body onload="prettyPrint(); highlight();">
+ <pre class="prettyprint lang-js"><span id='Ext-JSON'>/**
+</span> * @class Ext.JSON
+ * Modified version of Douglas Crockford"s json.js that doesn"t
* mess with the Object prototype
* http://www.json.org/js.html
* @singleton
*/
-Ext.util.JSON = new (function(){
- var useHasOwn = !!{}.hasOwnProperty,
- isNative = function() {
- var useNative = null;
+Ext.JSON = new(function() {
+ var useHasOwn = !! {}.hasOwnProperty,
+ isNative = function() {
+ var useNative = null;
- return function() {
- if (useNative === null) {
- useNative = Ext.USE_NATIVE_JSON && window.JSON && JSON.toString() == '[object JSON]';
- }
-
- return useNative;
- };
- }(),
- pad = function(n) {
- return n < 10 ? "0" + n : n;
- },
- doDecode = function(json){
- return eval("(" + json + ')');
- },
- doEncode = function(o){
- if(!Ext.isDefined(o) || o === null){
- return "null";
- }else if(Ext.isArray(o)){
- return encodeArray(o);
- }else if(Ext.isDate(o)){
- return Ext.util.JSON.encodeDate(o);
- }else if(Ext.isString(o)){
- return encodeString(o);
- }else if(typeof o == "number"){
- //don't use isNumber here, since finite checks happen inside isNumber
- return isFinite(o) ? String(o) : "null";
- }else if(Ext.isBoolean(o)){
- return String(o);
- }else {
- var a = ["{"], b, i, v;
- for (i in o) {
- // don't encode DOM objects
- if(!o.getElementsByTagName){
- if(!useHasOwn || o.hasOwnProperty(i)) {
- v = o[i];
- switch (typeof v) {
- case "undefined":
- case "function":
- case "unknown":
- break;
- default:
- if(b){
- a.push(',');
- }
- a.push(doEncode(i), ":",
- v === null ? "null" : doEncode(v));
- b = true;
- }
- }
- }
- }
- a.push("}");
- return a.join("");
- }
- },
- m = {
- "\b": '\\b',
- "\t": '\\t',
- "\n": '\\n',
- "\f": '\\f',
- "\r": '\\r',
- '"' : '\\"',
- "\\": '\\\\'
- },
- encodeString = function(s){
- if (/["\\\x00-\x1f]/.test(s)) {
- return '"' + s.replace(/([\x00-\x1f\\"])/g, function(a, b) {
- var c = m[b];
- if(c){
- return c;
- }
- c = b.charCodeAt();
- return "\\u00" +
- Math.floor(c / 16).toString(16) +
- (c % 16).toString(16);
- }) + '"';
+ return function() {
+ if (useNative === null) {
+ useNative = Ext.USE_NATIVE_JSON && window.JSON && JSON.toString() == '[object JSON]';
}
- return '"' + s + '"';
- },
- encodeArray = function(o){
- var a = ["["], b, i, l = o.length, v;
- for (i = 0; i < l; i += 1) {
- v = o[i];
- switch (typeof v) {
- case "undefined":
- case "function":
- case "unknown":
- break;
- default:
- if (b) {
- a.push(',');
- }
- a.push(v === null ? "null" : Ext.util.JSON.encode(v));
- b = true;
- }
- }
- a.push("]");
- return a.join("");
+
+ return useNative;
};
+ }(),
+ pad = function(n) {
+ return n < 10 ? "0" + n : n;
+ },
+ doDecode = function(json) {
+ return eval("(" + json + ')');
+ },
+ doEncode = function(o) {
+ if (!Ext.isDefined(o) || o === null) {
+ return "null";
+ } else if (Ext.isArray(o)) {
+ return encodeArray(o);
+ } else if (Ext.isDate(o)) {
+ return Ext.JSON.encodeDate(o);
+ } else if (Ext.isString(o)) {
+ return encodeString(o);
+ } else if (typeof o == "number") {
+ //don't use isNumber here, since finite checks happen inside isNumber
+ return isFinite(o) ? String(o) : "null";
+ } else if (Ext.isBoolean(o)) {
+ return String(o);
+ } else if (Ext.isObject(o)) {
+ return encodeObject(o);
+ } else if (typeof o === "function") {
+ return "null";
+ }
+ return 'undefined';
+ },
+ m = {
+ "\b": '\\b',
+ "\t": '\\t',
+ "\n": '\\n',
+ "\f": '\\f',
+ "\r": '\\r',
+ '"': '\\"',
+ "\\": '\\\\',
+ '\x0b': '\\u000b' //ie doesn't handle \v
+ },
+ charToReplace = /[\\\"\x00-\x1f\x7f-\uffff]/g,
+ encodeString = function(s) {
+ return '"' + s.replace(charToReplace, function(a) {
+ var c = m[a];
+ return typeof c === 'string' ? c : '\\u' + ('0000' + a.charCodeAt(0).toString(16)).slice(-4);
+ }) + '"';
+ },
+ encodeArray = function(o) {
+ var a = ["[", ""],
+ // Note empty string in case there are no serializable members.
+ len = o.length,
+ i;
+ for (i = 0; i < len; i += 1) {
+ a.push(doEncode(o[i]), ',');
+ }
+ // Overwrite trailing comma (or empty string)
+ a[a.length - 1] = ']';
+ return a.join("");
+ },
+ encodeObject = function(o) {
+ var a = ["{", ""],
+ // Note empty string in case there are no serializable members.
+ i;
+ for (i in o) {
+ if (!useHasOwn || o.hasOwnProperty(i)) {
+ a.push(doEncode(i), ":", doEncode(o[i]), ',');
+ }
+ }
+ // Overwrite trailing comma (or empty string)
+ a[a.length - 1] = '}';
+ return a.join("");
+ };
- <div id="method-Ext.util.JSON-encodeDate"></div>/**
- * <p>Encodes a Date. This returns the actual string which is inserted into the JSON string as the literal expression.
- * <b>The returned value includes enclosing double quotation marks.</b></p>
- * <p>The default return format is "yyyy-mm-ddThh:mm:ss".</p>
- * <p>To override this:</p><pre><code>
-Ext.util.JSON.encodeDate = function(d) {
- return d.format('"Y-m-d"');
-};
-</code></pre>
+<span id='Ext-JSON-method-encodeDate'> /**
+</span> * <p>Encodes a Date. This returns the actual string which is inserted into the JSON string as the literal expression.
+ * <b>The returned value includes enclosing double quotation marks.</b></p>
+ * <p>The default return format is "yyyy-mm-ddThh:mm:ss".</p>
+ * <p>To override this:</p><pre><code>
+ Ext.JSON.encodeDate = function(d) {
+ return d.format('"Y-m-d"');
+ };
+ </code></pre>
* @param {Date} d The Date to encode
* @return {String} The string literal to use in a JSON string.
*/
- this.encodeDate = function(o){
- return '"' + o.getFullYear() + "-" +
- pad(o.getMonth() + 1) + "-" +
- pad(o.getDate()) + "T" +
- pad(o.getHours()) + ":" +
- pad(o.getMinutes()) + ":" +
- pad(o.getSeconds()) + '"';
+ this.encodeDate = function(o) {
+ return '"' + o.getFullYear() + "-"
+ + pad(o.getMonth() + 1) + "-"
+ + pad(o.getDate()) + "T"
+ + pad(o.getHours()) + ":"
+ + pad(o.getMinutes()) + ":"
+ + pad(o.getSeconds()) + '"';
};
- <div id="method-Ext.util.JSON-encode"></div>/**
- * Encodes an Object, Array or other value
+<span id='Ext-JSON-method-encode'> /**
+</span> * Encodes an Object, Array or other value
* @param {Mixed} o The variable to encode
* @return {String} The JSON string
*/
}();
- <div id="method-Ext.util.JSON-decode"></div>/**
- * Decodes (parses) a JSON string to an object. If the JSON is invalid, this function throws a SyntaxError unless the safe option is set.
+<span id='Ext-JSON-method-decode'> /**
+</span> * Decodes (parses) a JSON string to an object. If the JSON is invalid, this function throws a SyntaxError unless the safe option is set.
* @param {String} json The JSON string
+ * @param {Boolean} safe (optional) Whether to return null or throw an exception if the JSON is invalid.
* @return {Object} The resulting object
*/
this.decode = function() {
var dc;
- return function(json) {
+ return function(json, safe) {
if (!dc) {
// setup decoding function on first access
dc = isNative() ? JSON.parse : doDecode;
}
- return dc(json);
+ try {
+ return dc(json);
+ } catch (e) {
+ if (safe === true) {
+ return null;
+ }
+ Ext.Error.raise({
+ sourceClass: "Ext.JSON",
+ sourceMethod: "decode",
+ msg: "You're trying to decode an invalid JSON String: " + json
+ });
+ }
};
}();
})();
-<div id="method-Ext-encode"></div>/**
- * Shorthand for {@link Ext.util.JSON#encode}
+<span id='Ext-method-encode'>/**
+</span> * Shorthand for {@link Ext.JSON#encode}
* @param {Mixed} o The variable to encode
* @return {String} The JSON string
* @member Ext
* @method encode
*/
-Ext.encode = Ext.util.JSON.encode;
-<div id="method-Ext-decode"></div>/**
- * Shorthand for {@link Ext.util.JSON#decode}
+Ext.encode = Ext.JSON.encode;
+<span id='Ext-method-decode'>/**
+</span> * Shorthand for {@link Ext.JSON#decode}
* @param {String} json The JSON string
* @param {Boolean} safe (optional) Whether to return null or throw an exception if the JSON is invalid.
* @return {Object} The resulting object
* @member Ext
* @method decode
*/
-Ext.decode = Ext.util.JSON.decode;
-</pre> \r
-</body>\r
-</html>
\ No newline at end of file
+Ext.decode = Ext.JSON.decode;
+
+</pre>
+</body>
+</html>
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