122 lines
5.0 KiB
C++
122 lines
5.0 KiB
C++
/*
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* Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009 Apple Inc. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#pragma once
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#include "Element.h"
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#include "markup.h"
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#include <wtf/HashMap.h>
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#include <wtf/text/StringBuilder.h>
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namespace WebCore {
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class Attribute;
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class DocumentType;
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class Element;
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class Node;
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class Range;
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typedef HashMap<AtomString, AtomStringImpl*> Namespaces;
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enum EntityMask {
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EntityAmp = 0x0001,
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EntityLt = 0x0002,
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EntityGt = 0x0004,
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EntityQuot = 0x0008,
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EntityNbsp = 0x0010,
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EntityTab = 0x0020,
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EntityLineFeed = 0x0040,
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EntityCarriageReturn = 0x0080,
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// Non-breaking space needs to be escaped in innerHTML for compatibility reason. See http://trac.webkit.org/changeset/32879
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// However, we cannot do this in a XML document because it does not have the entity reference defined (See the bug 19215).
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EntityMaskInCDATA = 0,
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EntityMaskInPCDATA = EntityAmp | EntityLt | EntityGt,
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EntityMaskInHTMLPCDATA = EntityMaskInPCDATA | EntityNbsp,
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EntityMaskInAttributeValue = EntityAmp | EntityLt | EntityGt | EntityQuot | EntityTab | EntityLineFeed | EntityCarriageReturn,
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EntityMaskInHTMLAttributeValue = EntityAmp | EntityQuot | EntityNbsp,
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};
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class MarkupAccumulator {
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WTF_MAKE_NONCOPYABLE(MarkupAccumulator);
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public:
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MarkupAccumulator(Vector<Node*>*, ResolveURLs, SerializationSyntax = SerializationSyntax::HTML);
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virtual ~MarkupAccumulator();
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String serializeNodes(Node& targetNode, SerializedNodes, Vector<QualifiedName>* tagNamesToSkip = nullptr);
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static void appendCharactersReplacingEntities(StringBuilder&, const String&, unsigned, unsigned, EntityMask);
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protected:
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unsigned length() const { return m_markup.length(); }
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bool isAllASCII() const { return m_markup.isAllASCII(); }
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StringBuilder takeMarkup();
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template<typename ...StringTypes> void append(StringTypes&&... strings) { m_markup.append(std::forward<StringTypes>(strings)...); }
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void startAppendingNode(const Node&, Namespaces* = nullptr);
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void endAppendingNode(const Node&);
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virtual void appendStartTag(StringBuilder&, const Element&, Namespaces*);
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virtual void appendEndTag(StringBuilder&, const Element&);
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virtual void appendCustomAttributes(StringBuilder&, const Element&, Namespaces*);
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virtual void appendText(StringBuilder&, const Text&);
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void appendOpenTag(StringBuilder&, const Element&, Namespaces*);
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void appendCloseTag(StringBuilder&, const Element&);
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void appendNonElementNode(StringBuilder&, const Node&, Namespaces*);
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static void appendAttributeValue(StringBuilder&, const String&, bool isSerializingHTML);
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void appendAttribute(StringBuilder&, const Element&, const Attribute&, Namespaces*);
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EntityMask entityMaskForText(const Text&) const;
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Vector<Node*>* const m_nodes;
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private:
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void appendNamespace(StringBuilder&, const AtomString& prefix, const AtomString& namespaceURI, Namespaces&, bool allowEmptyDefaultNS = false);
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String resolveURLIfNeeded(const Element&, const String&) const;
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void appendQuotedURLAttributeValue(StringBuilder&, const Element&, const Attribute&);
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void serializeNodesWithNamespaces(Node& targetNode, SerializedNodes, const Namespaces*, Vector<QualifiedName>* tagNamesToSkip);
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bool inXMLFragmentSerialization() const { return m_serializationSyntax == SerializationSyntax::XML; }
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void generateUniquePrefix(QualifiedName&, const Namespaces&);
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QualifiedName xmlAttributeSerialization(const Attribute&, Namespaces*);
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StringBuilder m_markup;
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const ResolveURLs m_resolveURLs;
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const SerializationSyntax m_serializationSyntax;
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unsigned m_prefixLevel { 0 };
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};
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inline void MarkupAccumulator::endAppendingNode(const Node& node)
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{
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if (is<Element>(node))
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appendEndTag(m_markup, downcast<Element>(node));
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}
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} // namespace WebCore
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