X-Git-Url: http://git.asbjorn.biz/?a=blobdiff_plain;f=src%2Fcore.js;h=efdc4570ffb2e13cdc9bdd5febe648fbee746042;hb=76236a15062aa82a4841748e9071eb3c9535ef62;hp=3ff95e0205f5118598a1e92e5ded9296692095ab;hpb=a6ef036bb6a3610431471eebc2623bf8ad06bdd6;p=jquery.git

diff --git a/src/core.js b/src/core.js
index 3ff95e0..efdc457 100644
--- a/src/core.js
+++ b/src/core.js
@@ -470,6 +470,27 @@ jQuery.extend({
 	error: function( msg ) {
 		throw msg;
 	},
+	
+	parseJSON: function( data ) {
+		if ( typeof data !== "string" || !data ) {
+			return null;
+		}
+		
+		// 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
+			return window.JSON && window.JSON.parse ?
+				window.JSON.parse( data ) :
+				(new Function("return " + data))();
+
+		} else {
+			jQuery.error( "Invalid JSON: " + data );
+		}
+	},
 
 	noop: function() {},