- for ( var i = 0; i < jQuery.token.length; i += 2 ) {
- if ( foundToken ) continue;
-
- var re = new RegExp("^(" + jQuery.token[i] + ")");
- var m = re.exec(t);
-
- if ( m ) {
- r = ret = jQuery.map( ret, jQuery.token[i+1] );
- t = jQuery.trim( t.replace( re, "" ) );
- foundToken = true;
+ // An attempt at speeding up child selectors that
+ // point to a specific element tag
+ var re = /^[\/>]\s*([a-z0-9*-]+)/i;
+ var m = re.exec(t);
+
+ if ( m ) {
+ // Perform our own iteration and filter
+ for ( var i = 0; i < ret.length; i++ )
+ for ( var c = ret[i].firstChild; c; c = c.nextSibling )
+ if ( c.nodeType == 1 && ( c.nodeName == m[1].toUpperCase() || m[1] == "*" ) )
+ r.push( c );
+
+ ret = r;
+ t = jQuery.trim( t.replace( re, "" ) );
+ foundToken = true;
+ } else {
+ // Look for pre-defined expression tokens
+ for ( var i = 0; i < jQuery.token.length; i += 2 ) {
+ // Attempt to match each, individual, token in
+ // the specified order
+ var re = new RegExp("^(" + jQuery.token[i] + ")");
+ var m = re.exec(t);
+
+ // If the token match was found
+ if ( m ) {
+ // Map it against the token's handler
+ r = ret = jQuery.map( ret, jQuery.token[i+1].constructor == Function ?
+ jQuery.token[i+1] :
+ function(a){ return eval(jQuery.token[i+1]); });
+
+ // And remove the token
+ t = jQuery.trim( t.replace( re, "" ) );
+ foundToken = true;
+ break;
+ }