Have getElementsByClassName() / getElementsByTagName*() return an HTMLCollection

Source/core/dom/ContainerNode.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2001 Dirk Mueller (mueller@kde.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009 Apple Inc. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
  * This library is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  * Library General Public License for more details.
  *
  * You should have received a copy of the GNU Library General Public License
  * along with this library; see the file COPYING.LIB.  If not, write to
  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  * Boston, MA 02110-1301, USA.
  */
 
 #include "config.h"
 #include "core/dom/ContainerNode.h"
 
 #include "bindings/v8/ExceptionState.h"
 #include "core/dom/ChildListMutationScope.h"
-#include "core/dom/ClassNodeList.h"
+#include "core/dom/ClassCollection.h"
 #include "core/dom/ContainerNodeAlgorithms.h"
 #include "core/dom/ElementTraversal.h"
 #include "core/dom/ExceptionCode.h"
 #include "core/dom/FullscreenElementStack.h"
 #include "core/dom/NameNodeList.h"
 #include "core/dom/NodeChildRemovalTracker.h"
 #include "core/dom/NodeRareData.h"
 #include "core/dom/NodeRenderStyle.h"
 #include "core/dom/NodeTraversal.h"
 #include "core/dom/SelectorQuery.h"
@@ skipping 953 matching lines @@
 
     ChildListMutationScope(*this).childAdded(child);
 
     childrenChanged(false, child.previousSibling(), child.nextSibling(), 1);
 
     ChildNodeInsertionNotifier(*this).notify(child);
 
     dispatchChildInsertionEvents(child);
 }
 
-PassRefPtr<NodeList> ContainerNode::getElementsByTagName(const AtomicString& localName)
+PassRefPtr<HTMLCollection> ContainerNode::getElementsByTagName(const AtomicString& localName)
 {
     if (localName.isNull())
         return 0;
 
     if (document().isHTMLDocument())
-        return ensureRareData().ensureNodeLists().addCacheWithAtomicName<HTMLTagNodeList>(this, HTMLTagNodeListType, localName);
-    return ensureRareData().ensureNodeLists().addCacheWithAtomicName<TagNodeList>(this, TagNodeListType, localName);
+        return ensureRareData().ensureNodeLists().addCacheWithAtomicName<HTMLTagCollection>(this, HTMLTagCollectionType, localName);
+    return ensureRareData().ensureNodeLists().addCacheWithAtomicName<TagCollection>(this, TagCollectionType, localName);
 }
 
-PassRefPtr<NodeList> ContainerNode::getElementsByTagNameNS(const AtomicString& namespaceURI, const AtomicString& localName)
+PassRefPtr<HTMLCollection> ContainerNode::getElementsByTagNameNS(const AtomicString& namespaceURI, const AtomicString& localName)
 {
     if (localName.isNull())
         return 0;
 
     if (namespaceURI == starAtom)
         return getElementsByTagName(localName);
 
     return ensureRareData().ensureNodeLists().addCacheWithQualifiedName(this, namespaceURI.isEmpty() ? nullAtom : namespaceURI, localName);
 }
 
 // Takes an AtomicString in argument because it is common for elements to share the same name attribute.
 // Therefore, the NameNodeList factory function expects an AtomicString type.
 PassRefPtr<NodeList> ContainerNode::getElementsByName(const AtomicString& elementName)
 {
     return ensureRareData().ensureNodeLists().addCacheWithAtomicName<NameNodeList>(this, NameNodeListType, elementName);
 }
 
 // Takes an AtomicString in argument because it is common for elements to share the same set of class names.
 // Therefore, the ClassNodeList factory function expects an AtomicString type.
-PassRefPtr<NodeList> ContainerNode::getElementsByClassName(const AtomicString& classNames)
+PassRefPtr<HTMLCollection> ContainerNode::getElementsByClassName(const AtomicString& classNames)
 {
-    return ensureRareData().ensureNodeLists().addCacheWithAtomicName<ClassNodeList>(this, ClassNodeListType, classNames);
+    return ensureRareData().ensureNodeLists().addCacheWithAtomicName<ClassCollection>(this, ClassCollectionType, classNames);
 }
 
 PassRefPtr<RadioNodeList> ContainerNode::radioNodeList(const AtomicString& name, bool onlyMatchImgElements)
 {
     ASSERT(hasTagName(formTag) || hasTagName(fieldsetTag));
     CollectionType type = onlyMatchImgElements ? RadioImgNodeListType : RadioNodeListType;
     return ensureRareData().ensureNodeLists().addCacheWithAtomicName<RadioNodeList>(this, type, name);
 }
 
 #ifndef NDEBUG
 bool childAttachedAllowedWhenAttachingChildren(ContainerNode* node)
 {
     if (node->isShadowRoot())
         return true;
 
     if (node->isInsertionPoint())
         return true;
 
     if (node->isElementNode() && toElement(node)->shadow())
         return true;
 
     return false;
 }
 #endif
 
 } // namespace WebCore