Expose the JSON parsing logic. Fixes #5914.

[jquery.git] / src / core.js

diff --git a/src/core.js b/src/core.js
index 4102e5c..5c99068 100644 (file)
--- a/src/core.js
+++ b/src/core.js
@@ -466,6 +466,32 @@ jQuery.extend({
                }
                return true;
        },
+       
+       error: function( msg ) {
+               throw msg;
+       },
+       
+       parseJSON: function( data ) {
+               // Make sure the incoming data is actual JSON
+               // Logic borrowed from http://json.org/json2.js
+               if (/^[\],:{}\s]*$/.test(data.replace(/\\(?:["\\\/bfnrt]|u[0-9a-fA-F]{4})/g, "@")
+                       .replace(/"[^"\\\n\r]*"|true|false|null|-?\d+(?:\.\d*)?(?:[eE][+\-]?\d+)?/g, "]")
+                       .replace(/(?:^|:|,)(?:\s*\[)+/g, ""))) {
+
+                       // Try to use the native JSON parser first
+                       if ( window.JSON && window.JSON.parse ) {
+                               data = window.JSON.parse( data );
+
+                       } else {
+                               data = (new Function("return " + data))();
+                       }
+
+               } else {
+                       jQuery.error( "Invalid JSON: " + data );
+               }
+               
+               return data;    
+       },
 
        noop: function() {},