X-Git-Url: http://git.asbjorn.biz/?a=blobdiff_plain;f=src%2Ftraversing.js;h=6375d9d1f3f6e29c25161d8cb53911710793d026;hb=9997620420ec0baf7dba8ce9dee0f19e616e1bc4;hp=5836ab578ce1334140cb470192f1c67810317ad6;hpb=24e96ba22ca86e54f2442b88ffd2b7ea3f60f0bf;p=jquery.git

diff --git a/src/traversing.js b/src/traversing.js
index 5836ab5..6375d9d 100644
--- a/src/traversing.js
+++ b/src/traversing.js
@@ -1,16 +1,27 @@
+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 )) {
+	if ( jQuery.isFunction( qualifier ) ) {
 		return jQuery.grep(elements, function(elem, i) {
-			return !!qualifier.call( elem, i ) === keep;
+			return !!qualifier.call( elem, i, elem ) === keep;
 		});
-	} else if( qualifier.nodeType ) {
+
+	} 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 )) {
+	} 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, elements );
@@ -46,6 +57,21 @@ jQuery.fn.extend({
 		return ret;
 	},
 
+	has: function( target ) {
+		var targets = jQuery( target );
+		return this.filter(function() {
+			for ( var i = 0, l = targets.length; i < l; i++ ) {
+				if ( jQuery.contains( this, targets[i] ) ) {
+					return true;
+				}
+			}
+		});
+	},
+
+	contains: function( target ) {
+		return this.has( target ).length > 0;
+	},
+
 	not: function( selector ) {
 		return this.pushStack( winnow(this, selector, false), "not", selector);
 	},
@@ -53,6 +79,10 @@ 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 ) {
 		if ( jQuery.isArray( selectors ) ) {
@@ -98,6 +128,21 @@ jQuery.fn.extend({
 			return null;
 		});
 	},
+	
+	// Determine the position of an element within
+	// the matched set of elements
+	index: function( elem ) {
+		if ( !elem || typeof elem === "string" ) {
+			return jQuery.inArray( this[0],
+				// If it receives a string, the selector is used
+				// If it receives nothing, the siblings are used
+				elem ? jQuery( elem ) : this.parent().children() );
+		}
+		// Locate the position of the desired element
+		return jQuery.inArray(
+			// If it receives a jQuery object, the first element is used
+			elem.jquery ? elem[0] : elem, this );
+	},
 
 	add: function( selector, context ) {
 		var set = typeof selector === "string" ?
@@ -110,53 +155,31 @@ jQuery.fn.extend({
 			all );
 	},
 
-	eq: function( i ) {
-		return i === -1 ?
-			this.slice( i ) :
-			this.slice( i, +i + 1 );
-	},
-
-	first: function() {
-		return this.eq( 0 );
-	},
-
-	last: function() {
-		return this.eq( -1 );
-	},
-
-	slice: function() {
-		return this.pushStack( Array.prototype.slice.apply( this, arguments ),
-			"slice", Array.prototype.slice.call(arguments).join(",") );
-	},
-
-	map: function( callback ) {
-		return this.pushStack( jQuery.map(this, function(elem, i){
-			return callback.call( elem, i, elem );
-		}));
-	},
-
 	andSelf: function() {
 		return this.add( this.prevObject );
-	},
-
-	end: function() {
-		return this.prevObject || jQuery(null);
 	}
 });
 
 jQuery.each({
 	parent: function(elem){return elem.parentNode;},
 	parents: function(elem){return jQuery.dir(elem,"parentNode");},
+	parentsUntil: function(elem,i,until){return jQuery.dir(elem,"parentNode",until);},
 	next: function(elem){return jQuery.nth(elem,2,"nextSibling");},
 	prev: function(elem){return jQuery.nth(elem,2,"previousSibling");},
 	nextAll: function(elem){return jQuery.dir(elem,"nextSibling");},
 	prevAll: function(elem){return jQuery.dir(elem,"previousSibling");},
+	nextUntil: function(elem,i,until){return jQuery.dir(elem,"nextSibling",until);},
+	prevUntil: function(elem,i,until){return jQuery.dir(elem,"previousSibling",until);},
 	siblings: function(elem){return jQuery.sibling(elem.parentNode.firstChild,elem);},
 	children: function(elem){return jQuery.sibling(elem.firstChild);},
 	contents: function(elem){return jQuery.nodeName(elem,"iframe")?elem.contentDocument||elem.contentWindow.document:jQuery.makeArray(elem.childNodes);}
 }, function(name, fn){
-	jQuery.fn[ name ] = function( selector ) {
-		var ret = jQuery.map( this, fn );
+	jQuery.fn[ name ] = function( until, selector ) {
+		var ret = jQuery.map( this, fn, until );
+		
+		if ( !runtil.test( name ) ) {
+			selector = until;
+		}
 
 		if ( selector && typeof selector === "string" ) {
 			ret = jQuery.filter( selector, ret );
@@ -164,11 +187,11 @@ jQuery.each({
 
 		ret = this.length > 1 ? jQuery.unique( ret ) : ret;
 
-		if ( name === "parents" && this.length > 1 ) {
+		if ( (this.length > 1 || rmultiselector.test( selector )) && rparentsprev.test( name ) ) {
 			ret = ret.reverse();
 		}
 
-		return this.pushStack( ret, name, selector );
+		return this.pushStack( ret, name, slice.call(arguments).join(",") );
 	};
 });
 
@@ -181,9 +204,9 @@ jQuery.extend({
 		return jQuery.find.matches(expr, elems);
 	},
 	
-	dir: function( elem, dir ) {
+	dir: function( elem, dir, until ) {
 		var matched = [], cur = elem[dir];
-		while ( cur && cur.nodeType !== 9 ) {
+		while ( cur && cur.nodeType !== 9 && (until === undefined || !jQuery( cur ).is( until )) ) {
 			if ( cur.nodeType === 1 ) {
 				matched.push( cur );
 			}