| 1 | /* |
| 2 | * Copyright (C) 1999 Lars Knoll (knoll@kde.org) |
| 3 | * (C) 1999 Antti Koivisto (koivisto@kde.org) |
| 4 | * Copyright (C) 2003-2019 Apple Inc. All rights reserved. |
| 5 | * |
| 6 | * This library is free software; you can redistribute it and/or |
| 7 | * modify it under the terms of the GNU Library General Public |
| 8 | * License as published by the Free Software Foundation; either |
| 9 | * version 2 of the License, or (at your option) any later version. |
| 10 | * |
| 11 | * This library is distributed in the hope that it will be useful, |
| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 14 | * Library General Public License for more details. |
| 15 | * |
| 16 | * You should have received a copy of the GNU Library General Public License |
| 17 | * along with this library; see the file COPYING.LIB. If not, write to |
| 18 | * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
| 19 | * Boston, MA 02110-1301, USA. |
| 20 | * |
| 21 | */ |
| 22 | |
| 23 | #pragma once |
| 24 | |
| 25 | #include "CachedHTMLCollection.h" |
| 26 | #include "NodeRareData.h" |
| 27 | #include <wtf/IsoMalloc.h> |
| 28 | #include <wtf/text/AtomicString.h> |
| 29 | |
| 30 | namespace WebCore { |
| 31 | |
| 32 | class Document; |
| 33 | |
| 34 | template <typename HTMLCollectionClass, CollectionTraversalType traversalType> |
| 35 | class HTMLNameCollection : public CachedHTMLCollection<HTMLCollectionClass, traversalType> { |
| 36 | WTF_MAKE_ISO_NONALLOCATABLE(HTMLNameCollection); |
| 37 | public: |
| 38 | virtual ~HTMLNameCollection(); |
| 39 | |
| 40 | Document& document() { return downcast<Document>(this->ownerNode()); } |
| 41 | |
| 42 | protected: |
| 43 | HTMLNameCollection(Document&, CollectionType, const AtomicString& name); |
| 44 | |
| 45 | AtomicString m_name; |
| 46 | }; |
| 47 | |
| 48 | template <typename HTMLCollectionClass, CollectionTraversalType traversalType> |
| 49 | HTMLNameCollection<HTMLCollectionClass, traversalType>::HTMLNameCollection(Document& document, CollectionType type, const AtomicString& name) |
| 50 | : CachedHTMLCollection<HTMLCollectionClass, traversalType>(document, type) |
| 51 | , m_name(name) |
| 52 | { |
| 53 | } |
| 54 | |
| 55 | template <typename HTMLCollectionClass, CollectionTraversalType traversalType> |
| 56 | HTMLNameCollection<HTMLCollectionClass, traversalType>::~HTMLNameCollection() |
| 57 | { |
| 58 | ASSERT(this->type() == WindowNamedItems || this->type() == DocumentNamedItems); |
| 59 | |
| 60 | document().nodeLists()->removeCachedCollection(this, m_name); |
| 61 | } |
| 62 | |
| 63 | class WindowNameCollection final : public HTMLNameCollection<WindowNameCollection, CollectionTraversalType::Descendants> { |
| 64 | WTF_MAKE_ISO_ALLOCATED(WindowNameCollection); |
| 65 | public: |
| 66 | static Ref<WindowNameCollection> create(Document& document, CollectionType type, const AtomicString& name) |
| 67 | { |
| 68 | return adoptRef(*new WindowNameCollection(document, type, name)); |
| 69 | } |
| 70 | |
| 71 | // For CachedHTMLCollection. |
| 72 | bool elementMatches(const Element& element) const { return elementMatches(element, m_name.impl()); } |
| 73 | |
| 74 | static bool elementMatchesIfIdAttributeMatch(const Element&) { return true; } |
| 75 | static bool elementMatchesIfNameAttributeMatch(const Element&); |
| 76 | static bool elementMatches(const Element&, const AtomicStringImpl*); |
| 77 | |
| 78 | private: |
| 79 | WindowNameCollection(Document& document, CollectionType type, const AtomicString& name) |
| 80 | : HTMLNameCollection<WindowNameCollection, CollectionTraversalType::Descendants>(document, type, name) |
| 81 | { |
| 82 | ASSERT(type == WindowNamedItems); |
| 83 | } |
| 84 | }; |
| 85 | |
| 86 | class DocumentNameCollection final : public HTMLNameCollection<DocumentNameCollection, CollectionTraversalType::Descendants> { |
| 87 | WTF_MAKE_ISO_ALLOCATED(DocumentNameCollection); |
| 88 | public: |
| 89 | static Ref<DocumentNameCollection> create(Document& document, CollectionType type, const AtomicString& name) |
| 90 | { |
| 91 | return adoptRef(*new DocumentNameCollection(document, type, name)); |
| 92 | } |
| 93 | |
| 94 | static bool elementMatchesIfIdAttributeMatch(const Element&); |
| 95 | static bool elementMatchesIfNameAttributeMatch(const Element&); |
| 96 | |
| 97 | // For CachedHTMLCollection. |
| 98 | bool elementMatches(const Element& element) const { return elementMatches(element, m_name.impl()); } |
| 99 | |
| 100 | static bool elementMatches(const Element&, const AtomicStringImpl*); |
| 101 | |
| 102 | private: |
| 103 | DocumentNameCollection(Document& document, CollectionType type, const AtomicString& name) |
| 104 | : HTMLNameCollection<DocumentNameCollection, CollectionTraversalType::Descendants>(document, type, name) |
| 105 | { |
| 106 | ASSERT(type == DocumentNamedItems); |
| 107 | } |
| 108 | }; |
| 109 | |
| 110 | } // namespace WebCore |
| 111 | |
| 112 | SPECIALIZE_TYPE_TRAITS_HTMLCOLLECTION(WindowNameCollection, WindowNamedItems) |
| 113 | SPECIALIZE_TYPE_TRAITS_HTMLCOLLECTION(DocumentNameCollection, DocumentNamedItems) |
| 114 | |