X-Git-Url: http://git.asbjorn.biz/?a=blobdiff_plain;f=src%2Fdata.js;h=43ab5955c7596246fe06c4dbbc5df5c9e8fd0675;hb=0be7f4eb4f027dce00f11d7816290022d447d336;hp=44ad0c49e57ae97f8296bb516df1a8d6b468761a;hpb=e7c2d3b45bf0e8fbe9d7c9316b6c5adb2c019ea3;p=jquery.git

diff --git a/src/data.js b/src/data.js
index 44ad0c4..43ab595 100644
--- a/src/data.js
+++ b/src/data.js
@@ -1,8 +1,7 @@
 (function( jQuery ) {
 
 var windowData = {},
-	rnum = /^-?\d+(?:\.\d+)$/,
-	rbrace = /^{.*}$/;
+	rbrace = /^(?:\{.*\}|\[.*\])$/;
 
 jQuery.extend({
 	cache: {},
@@ -17,12 +16,13 @@ jQuery.extend({
 	// attempt to add expando properties to them.
 	noData: {
 		"embed": true,
-		"object": true,
+		// Ban all objects except for Flash (which handle expandos)
+		"object": "clsid:D27CDB6E-AE6D-11cf-96B8-444553540000",
 		"applet": true
 	},
 
 	data: function( elem, name, data ) {
-		if ( elem.nodeName && jQuery.noData[elem.nodeName.toLowerCase()] ) {
+		if ( !jQuery.acceptData( elem ) ) {
 			return;
 		}
 
@@ -52,9 +52,10 @@ jQuery.extend({
 		// want to manipulate it.
 		if ( typeof name === "object" ) {
 			if ( isNode ) {
-				cache[ id ] = jQuery.extend(true, {}, name);
+				cache[ id ] = jQuery.extend(cache[ id ], name);
+
 			} else {
-				store = jQuery.extend(true, {}, name);
+				store = jQuery.extend(cache[ id ], name);
 				cache[ id ] = function() {
 					return store;
 				};
@@ -63,6 +64,7 @@ jQuery.extend({
 		} else if ( !cache[ id ] ) {
 			if ( isNode ) {
 				cache[ id ] = {};
+
 			} else {
 				store = {};
 				cache[ id ] = function() {
@@ -83,7 +85,7 @@ jQuery.extend({
 	},
 
 	removeData: function( elem, name ) {
-		if ( elem.nodeName && jQuery.noData[elem.nodeName.toLowerCase()] ) {
+		if ( !jQuery.acceptData( elem ) ) {
 			return;
 		}
 
@@ -124,13 +126,26 @@ jQuery.extend({
 				delete cache[ id ];
 			}
 		}
+	},
+
+	// A method for determining if a DOM node can handle the data expando
+	acceptData: function( elem ) {
+		if ( elem.nodeName ) {
+			match = jQuery.noData[ elem.nodeName.toLowerCase() ];
+
+			if ( match ) {
+				return !(match === true || elem.getAttribute("classid") !== match);
+			}
+		}
+
+		return true;
 	}
 });
 
 jQuery.fn.extend({
 	data: function( key, value ) {
-		if ( typeof key === "undefined" && this.length ) {
-			return jQuery.data( this[0] );
+		if ( typeof key === "undefined" ) {
+			return this.length ? jQuery.data( this[0] ) : null;
 
 		} else if ( typeof key === "object" ) {
 			return this.each(function() {
@@ -158,7 +173,7 @@ jQuery.fn.extend({
 							data = data === "true" ? true :
 								data === "false" ? false :
 								data === "null" ? null :
-								rnum.test( data ) ? parseFloat( data ) :
+								!jQuery.isNaN( data ) ? parseFloat( data ) :
 								rbrace.test( data ) ? jQuery.parseJSON( data ) :
 								data;
 						} catch( e ) {}