1 /* 2 * Copyright (C) 1999 Lars Knoll (knoll (at) kde.org) 3 * (C) 1999 Antti Koivisto (koivisto (at) kde.org) 4 * (C) 2001 Dirk Mueller (mueller (at) kde.org) 5 * Copyright (C) 2004, 2005, 2006, 2007, 2008 Apple Inc. All rights reserved. 6 * Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies) 7 * Copyright (C) 2014 Samsung Electronics. All rights reserved. 8 * 9 * This library is free software; you can redistribute it and/or 10 * modify it under the terms of the GNU Library General Public 11 * License as published by the Free Software Foundation; either 12 * version 2 of the License, or (at your option) any later version. 13 * 14 * This library is distributed in the hope that it will be useful, 15 * but WITHOUT ANY WARRANTY; without even the implied warranty of 16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 17 * Library General Public License for more details. 18 * 19 * You should have received a copy of the GNU Library General Public License 20 * along with this library; see the file COPYING.LIB. If not, write to 21 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 22 * Boston, MA 02110-1301, USA. 23 */ 24 25 #ifndef HTMLTagCollection_h 26 #define HTMLTagCollection_h 27 28 #include "core/dom/Element.h" 29 #include "core/dom/TagCollection.h" 30 31 namespace blink { 32 33 // Collection that limits to a particular tag and whose rootNode is in an HTMLDocument. 34 class HTMLTagCollection FINAL : public TagCollection { 35 public: 36 static PassRefPtrWillBeRawPtr<HTMLTagCollection> create(ContainerNode& rootNode, CollectionType type, const AtomicString& localName) 37 { 38 ASSERT_UNUSED(type, type == HTMLTagCollectionType); 39 return adoptRefWillBeNoop(new HTMLTagCollection(rootNode, localName)); 40 } 41 42 bool elementMatches(const Element&) const; 43 44 private: 45 HTMLTagCollection(ContainerNode& rootNode, const AtomicString& localName); 46 47 AtomicString m_loweredLocalName; 48 }; 49 50 DEFINE_TYPE_CASTS(HTMLTagCollection, LiveNodeListBase, collection, collection->type() == HTMLTagCollectionType, collection.type() == HTMLTagCollectionType); 51 52 inline bool HTMLTagCollection::elementMatches(const Element& testElement) const 53 { 54 // Implements http://dvcs.w3.org/hg/domcore/raw-file/tip/Overview.html#concept-getelementsbytagname 55 if (m_localName != starAtom) { 56 const AtomicString& localName = testElement.isHTMLElement() ? m_loweredLocalName : m_localName; 57 if (localName != testElement.localName()) 58 return false; 59 } 60 ASSERT(m_namespaceURI == starAtom); 61 return true; 62 } 63 64 } // namespace blink 65 66 #endif // HTMLTagCollection_h 67
