X-Git-Url: http://git.asbjorn.it/?a=blobdiff_plain;ds=sidebyside;f=src%2Fcore.js;h=5c990688803ee7f10bed1f015b3c543d8e044333;hb=0912109ffc86610161c769534df84400ccd1aa65;hp=5b8388eada3bc242c11062d57b7aba7b6245cf23;hpb=eb496f757a1eebef14eb5a1fdd971cc553f3540b;p=jquery.git

diff --git a/src/core.js b/src/core.js
index 5b8388e..5c99068 100644
--- 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() {},
 
@@ -653,26 +679,15 @@ jQuery.extend({
 	// Use of jQuery.browser is frowned upon.
 	// More details: http://docs.jquery.com/Utilities/jQuery.browser
 	uaMatch: function( ua ) {
-		var ret = { browser: "" };
-
 		ua = ua.toLowerCase();
 
-		if ( /webkit/.test( ua ) ) {
-			ret = { browser: "webkit", version: /webkit[\/ ]([\w.]+)/ };
-
-		} else if ( /opera/.test( ua ) ) {
-			ret = { browser: "opera", version:  /version/.test( ua ) ? /version[\/ ]([\w.]+)/ : /opera[\/ ]([\w.]+)/ };
-			
-		} else if ( /msie/.test( ua ) ) {
-			ret = { browser: "msie", version: /msie ([\w.]+)/ };
+		var match = /(webkit)[ \/]([\w.]+)/.exec( ua ) ||
+			/(opera)(?:.*version)?[ \/]([\w.]+)/.exec( ua ) ||
+			/(msie) ([\w.]+)/.exec( ua ) ||
+			!/compatible/.test( ua ) && /(mozilla)(?:.*? rv:([\w.]+))?/.exec( ua ) ||
+		  	[];
 
-		} else if ( /mozilla/.test( ua ) && !/compatible/.test( ua ) ) {
-			ret = { browser: "mozilla", version: /rv:([\w.]+)/ };
-		}
-
-		ret.version = (ret.version && ret.version.exec( ua ) || [0, "0"])[1];
-
-		return ret;
+		return { browser: match[1] || "", version: match[2] || "0" };
 	},
 
 	browser: {}