Don't remove test directory on clean
[jquery.git] / src / selector.js
index 70e988d..51f165a 100644 (file)
@@ -96,15 +96,15 @@ jQuery.extend({
                if ( typeof t != "string" )
                        return [ t ];
 
-               // Make sure that the context is a DOM Element
-               if ( context && !context.nodeType )
-                       context = null;
+               // check to make sure context is a DOM element or a document
+               if ( context && context.nodeType != 1 && context.nodeType != 9)
+                       return [ ];
 
                // Set the correct context (if none is provided)
                context = context || document;
 
                // Initialize the search
-               var ret = [context], done = [], last;
+               var ret = [context], done = [], last, nodeName;
 
                // Continue while a selector expression exists, and while
                // we're no longer looping upon ourselves
@@ -122,12 +122,12 @@ jQuery.extend({
                        var m = re.exec(t);
 
                        if ( m ) {
-                               var nodeName = m[1];
+                               nodeName = m[1].toUpperCase();
 
                                // Perform our own iteration and filter
                                for ( var i = 0; ret[i]; i++ )
                                        for ( var c = ret[i].firstChild; c; c = c.nextSibling )
-                                               if ( c.nodeType == 1 && (nodeName == "*" || jQuery.nodeName(c, nodeName)) )
+                                               if ( c.nodeType == 1 && (nodeName == "*" || c.nodeName.toUpperCase() == nodeName) )
                                                        r.push( c );
 
                                ret = r;
@@ -140,7 +140,7 @@ jQuery.extend({
                                if ( (m = re.exec(t)) != null ) {
                                        r = [];
 
-                                       var nodeName = m[2], merge = {};
+                                       nodeName = m[2].toUpperCase(), merge = {};
                                        m = m[1];
 
                                        for ( var j = 0, rl = ret.length; j < rl; j++ ) {
@@ -151,7 +151,7 @@ jQuery.extend({
 
                                                                if ( m == "~" && merge[id] ) break;
                                                                
-                                                               if (!nodeName || jQuery.nodeName(n, nodeName)) {
+                                                               if (!nodeName || n.nodeName.toUpperCase() == nodeName ) {
                                                                        if ( m == "~" ) merge[id] = true;
                                                                        r.push( n );
                                                                }
@@ -320,7 +320,10 @@ jQuery.extend({
                        // :not() is a special case that can be optimized by
                        // keeping it out of the expression list
                        if ( m[1] == ":" && m[2] == "not" )
-                               r = jQuery.filter(m[3], r, true).r;
+                               // optimize if only one selector found (most common case)
+                               r = isSimple.test( m[3] ) ?
+                                       jQuery.filter(m[3], r, true).r :
+                                       jQuery( r ).not( m[3] );
 
                        // We can get a big speed boost by filtering by class here
                        else if ( m[1] == "." )
@@ -436,3 +439,4 @@ jQuery.extend({
                return r;
        }
 });
+