X-Git-Url: http://git.asbjorn.biz/?a=blobdiff_plain;f=src%2Ftraversing.js;h=689e90196ab27905b726a9a708390d374601829d;hb=69497c3fd7ff560be0e47b4c65076915cca756bc;hp=a99dfdf1c7b157a0ac8ce3e2c7a7db8f7bee7eae;hpb=55a64cf095b295d334010c6e0a00863f307caffa;p=jquery.git

diff --git a/src/traversing.js b/src/traversing.js
index a99dfdf..689e901 100644
--- a/src/traversing.js
+++ b/src/traversing.js
@@ -1,41 +1,17 @@
+(function( jQuery ) {
+
 var runtil = /Until$/,
 	rparentsprev = /^(?:parents|prevUntil|prevAll)/,
 	// Note: This RegExp should be improved, or likely pulled from Sizzle
 	rmultiselector = /,/,
-	slice = Array.prototype.slice;
-
-// Implement the identical functionality for filter and not
-var winnow = function( elements, qualifier, keep ) {
-	if ( jQuery.isFunction( qualifier ) ) {
-		return jQuery.grep(elements, function( elem, i ) {
-			return !!qualifier.call( elem, i, elem ) === keep;
-		});
-
-	} else if ( qualifier.nodeType ) {
-		return jQuery.grep(elements, function( elem, i ) {
-			return (elem === qualifier) === keep;
-		});
-
-	} else if ( typeof qualifier === "string" ) {
-		var filtered = jQuery.grep(elements, function( elem ) {
-			return elem.nodeType === 1;
-		});
-
-		if ( isSimple.test( qualifier ) ) {
-			return jQuery.filter(qualifier, filtered, !keep);
-		} else {
-			qualifier = jQuery.filter( qualifier, filtered );
-		}
-	}
-
-	return jQuery.grep(elements, function( elem, i ) {
-		return (jQuery.inArray( elem, qualifier ) >= 0) === keep;
-	});
-};
+	isSimple = /^.[^:#\[\.,]*$/,
+	slice = Array.prototype.slice,
+	POS = jQuery.expr.match.POS;
 
 jQuery.fn.extend({
 	find: function( selector ) {
-		var ret = this.pushStack( "", "find", selector ), length = 0;
+		var ret = this.pushStack( "", "find", selector ),
+			length = 0;
 
 		for ( var i = 0, l = this.length; i < l; i++ ) {
 			length = ret.length;
@@ -75,21 +51,25 @@ jQuery.fn.extend({
 	filter: function( selector ) {
 		return this.pushStack( winnow(this, selector, true), "filter", selector );
 	},
-	
+
 	is: function( selector ) {
 		return !!selector && jQuery.filter( selector, this ).length > 0;
 	},
 
 	closest: function( selectors, context ) {
+		var ret = [], i, l, cur = this[0];
+
 		if ( jQuery.isArray( selectors ) ) {
-			var ret = [], cur = this[0], match, matches = {}, selector;
+			var match, selector,
+				matches = {},
+				level = 1;
 
 			if ( cur && selectors.length ) {
-				for ( var i = 0, l = selectors.length; i < l; i++ ) {
+				for ( i = 0, l = selectors.length; i < l; i++ ) {
 					selector = selectors[i];
 
 					if ( !matches[selector] ) {
-						matches[selector] = jQuery.expr.match.POS.test( selector ) ? 
+						matches[selector] = jQuery.expr.match.POS.test( selector ) ?
 							jQuery( selector, context || this.context ) :
 							selector;
 					}
@@ -100,31 +80,43 @@ jQuery.fn.extend({
 						match = matches[selector];
 
 						if ( match.jquery ? match.index(cur) > -1 : jQuery(cur).is(match) ) {
-							ret.push({ selector: selector, elem: cur });
-							delete matches[selector];
+							ret.push({ selector: selector, elem: cur, level: level });
 						}
 					}
+
 					cur = cur.parentNode;
+					level++;
 				}
 			}
 
 			return ret;
 		}
 
-		var pos = jQuery.expr.match.POS.test( selectors ) ? 
+		var pos = POS.test( selectors ) ?
 			jQuery( selectors, context || this.context ) : null;
 
-		return this.map(function( i, cur ) {
-			while ( cur && cur.ownerDocument && cur !== context ) {
-				if ( pos ? pos.index(cur) > -1 : jQuery(cur).is(selectors) ) {
-					return cur;
+		for ( i = 0, l = this.length; i < l; i++ ) {
+			cur = this[i];
+
+			while ( cur ) {
+				if ( pos ? pos.index(cur) > -1 : jQuery.find.matchesSelector(cur, selectors) ) {
+					ret.push( cur );
+					break;
+
+				} else {
+					cur = cur.parentNode;
+					if ( !cur || !cur.ownerDocument || cur === context ) {
+						break;
+					}
 				}
-				cur = cur.parentNode;
 			}
-			return null;
-		});
+		}
+
+		ret = ret.length > 1 ? jQuery.unique(ret) : ret;
+
+		return this.pushStack( ret, "closest", selectors );
 	},
-	
+
 	// Determine the position of an element within
 	// the matched set of elements
 	index: function( elem ) {
@@ -205,7 +197,7 @@ jQuery.each({
 }, function( name, fn ) {
 	jQuery.fn[ name ] = function( until, selector ) {
 		var ret = jQuery.map( this, fn, until );
-		
+
 		if ( !runtil.test( name ) ) {
 			selector = until;
 		}
@@ -230,11 +222,15 @@ jQuery.extend({
 			expr = ":not(" + expr + ")";
 		}
 
-		return jQuery.find.matches(expr, elems);
+		return elems.length === 1 ?
+			jQuery.find.matchesSelector(elems[0], expr) ? [ elems[0] ] : [] :
+			jQuery.find.matches(expr, elems);
 	},
-	
+
 	dir: function( elem, dir, until ) {
-		var matched = [], cur = elem[dir];
+		var matched = [],
+			cur = elem[ dir ];
+
 		while ( cur && cur.nodeType !== 9 && (until === undefined || cur.nodeType !== 1 || !jQuery( cur ).is( until )) ) {
 			if ( cur.nodeType === 1 ) {
 				matched.push( cur );
@@ -269,3 +265,35 @@ jQuery.extend({
 		return r;
 	}
 });
+
+// Implement the identical functionality for filter and not
+function winnow( elements, qualifier, keep ) {
+	if ( jQuery.isFunction( qualifier ) ) {
+		return jQuery.grep(elements, function( elem, i ) {
+			var retVal = !!qualifier.call( elem, i, elem );
+			return retVal === keep;
+		});
+
+	} else if ( qualifier.nodeType ) {
+		return jQuery.grep(elements, function( elem, i ) {
+			return (elem === qualifier) === keep;
+		});
+
+	} else if ( typeof qualifier === "string" ) {
+		var filtered = jQuery.grep(elements, function( elem ) {
+			return elem.nodeType === 1;
+		});
+
+		if ( isSimple.test( qualifier ) ) {
+			return jQuery.filter(qualifier, filtered, !keep);
+		} else {
+			qualifier = jQuery.filter( qualifier, filtered );
+		}
+	}
+
+	return jQuery.grep(elements, function( elem, i ) {
+		return (jQuery.inArray( elem, qualifier ) >= 0) === keep;
+	});
+}
+
+})( jQuery );