115 lines
3.4 KiB
C++
115 lines
3.4 KiB
C++
/*
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* Copyright (C) 1999 Lars Knoll (knoll@kde.org)
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* (C) 1999 Antti Koivisto (koivisto@kde.org)
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* (C) 2001 Dirk Mueller (mueller@kde.org)
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* Copyright (C) 2004-2018 Apple Inc. All rights reserved.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public License
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* along with this library; see the file COPYING.LIB. If not, write to
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* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#include "config.h"
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#include "DocumentFragment.h"
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#include "Document.h"
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#include "ElementIterator.h"
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#include "HTMLDocumentParser.h"
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#include "Page.h"
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#include "XMLDocumentParser.h"
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#include <wtf/IsoMallocInlines.h>
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namespace WebCore {
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WTF_MAKE_ISO_ALLOCATED_IMPL(DocumentFragment);
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DocumentFragment::DocumentFragment(Document& document, ConstructionType constructionType)
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: ContainerNode(document, constructionType)
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{
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}
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Ref<DocumentFragment> DocumentFragment::create(Document& document)
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{
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return adoptRef(*new DocumentFragment(document, Node::CreateDocumentFragment));
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}
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String DocumentFragment::nodeName() const
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{
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return "#document-fragment"_s;
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}
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Node::NodeType DocumentFragment::nodeType() const
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{
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return DOCUMENT_FRAGMENT_NODE;
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}
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bool DocumentFragment::childTypeAllowed(NodeType type) const
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{
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switch (type) {
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case ELEMENT_NODE:
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case PROCESSING_INSTRUCTION_NODE:
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case COMMENT_NODE:
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case TEXT_NODE:
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case CDATA_SECTION_NODE:
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return true;
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default:
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return false;
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}
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}
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Ref<Node> DocumentFragment::cloneNodeInternal(Document& targetDocument, CloningOperation type)
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{
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Ref<DocumentFragment> clone = create(targetDocument);
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switch (type) {
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case CloningOperation::OnlySelf:
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case CloningOperation::SelfWithTemplateContent:
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break;
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case CloningOperation::Everything:
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cloneChildNodes(clone);
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break;
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}
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return clone;
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}
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void DocumentFragment::parseHTML(const String& source, Element* contextElement, ParserContentPolicy parserContentPolicy)
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{
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ASSERT(contextElement);
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HTMLDocumentParser::parseDocumentFragment(source, *this, *contextElement, parserContentPolicy);
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}
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bool DocumentFragment::parseXML(const String& source, Element* contextElement, ParserContentPolicy parserContentPolicy)
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{
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return XMLDocumentParser::parseDocumentFragment(source, *this, contextElement, parserContentPolicy);
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}
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Element* DocumentFragment::getElementById(const AtomString& id) const
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{
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if (id.isEmpty())
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return nullptr;
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// Fast path for ShadowRoot, where we are both a DocumentFragment and a TreeScope.
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if (isTreeScope())
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return treeScope().getElementById(id);
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// Otherwise, fall back to iterating all of the element descendants.
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for (auto& element : descendantsOfType<Element>(*this)) {
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if (element.getIdAttribute() == id)
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return const_cast<Element*>(&element);
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}
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return nullptr;
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}
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}
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