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/*
* Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef MarkupAccumulator_h
#define MarkupAccumulator_h
#include "PlatformString.h"
#include "markup.h"
#include <wtf/HashMap.h>
#include <wtf/Vector.h>
namespace WebCore {
class Attribute;
class DocumentType;
class Element;
class Node;
class Range;
typedef HashMap<AtomicStringImpl*, AtomicStringImpl*> Namespaces;
enum EntityMask {
EntityAmp = 0x0001,
EntityLt = 0x0002,
EntityGt = 0x0004,
EntityQuot = 0x0008,
EntityNbsp = 0x0010,
// Non-breaking space needs to be escaped in innerHTML for compatibility reason. See http://trac.webkit.org/changeset/32879
// However, we cannot do this in a XML document because it does not have the entity reference defined (See the bug 19215).
EntityMaskInCDATA = 0,
EntityMaskInPCDATA = EntityAmp | EntityLt | EntityGt,
EntityMaskInHTMLPCDATA = EntityMaskInPCDATA | EntityNbsp,
EntityMaskInAttributeValue = EntityAmp | EntityLt | EntityGt | EntityQuot,
EntityMaskInHTMLAttributeValue = EntityMaskInAttributeValue | EntityNbsp,
};
struct EntityDescription {
UChar entity;
const String& reference;
EntityMask mask;
};
// FIXME: Noncopyable?
class MarkupAccumulator {
public:
MarkupAccumulator(Vector<Node*>* nodes, EAbsoluteURLs shouldResolveURLs, const Range* range = 0);
virtual ~MarkupAccumulator();
String serializeNodes(Node* node, Node* nodeToSkip, EChildrenOnly childrenOnly);
protected:
virtual void appendString(const String&);
void appendStartTag(Node*, Namespaces* = 0);
void appendEndTag(Node*);
static size_t totalLength(const Vector<String>&);
size_t length() const { return totalLength(m_succeedingMarkup); }
void concatenateMarkup(Vector<UChar>& out);
void appendAttributeValue(Vector<UChar>& result, const String& attribute, bool documentIsHTML);
void appendQuotedURLAttributeValue(Vector<UChar>& result, const String& urlString);
void appendNodeValue(Vector<UChar>& out, const Node*, const Range*, EntityMask);
bool shouldAddNamespaceElement(const Element*);
bool shouldAddNamespaceAttribute(const Attribute&, Namespaces&);
void appendNamespace(Vector<UChar>& result, const AtomicString& prefix, const AtomicString& namespaceURI, Namespaces&);
EntityMask entityMaskForText(Text* text) const;
virtual void appendText(Vector<UChar>& out, Text*);
void appendComment(Vector<UChar>& out, const String& comment);
void appendDocumentType(Vector<UChar>& result, const DocumentType*);
void appendProcessingInstruction(Vector<UChar>& out, const String& target, const String& data);
virtual void appendElement(Vector<UChar>& out, Element*, Namespaces*);
void appendOpenTag(Vector<UChar>& out, Element* element, Namespaces*);
void appendCloseTag(Vector<UChar>& out, Element* element);
void appendAttribute(Vector<UChar>& out, Element* element, const Attribute&, Namespaces*);
void appendCDATASection(Vector<UChar>& out, const String& section);
void appendStartMarkup(Vector<UChar>& result, const Node*, Namespaces*);
bool shouldSelfClose(const Node*);
bool elementCannotHaveEndTag(const Node* node);
void appendEndMarkup(Vector<UChar>& result, const Node*);
bool shouldResolveURLs() { return m_shouldResolveURLs == AbsoluteURLs; }
Vector<Node*>* const m_nodes;
const Range* const m_range;
private:
void serializeNodesWithNamespaces(Node*, Node* nodeToSkip, EChildrenOnly, const Namespaces*);
Vector<String> m_succeedingMarkup;
const bool m_shouldResolveURLs;
};
// FIXME: This method should be integrated with MarkupAccumulator.
void appendCharactersReplacingEntities(Vector<UChar>& out, const UChar* content, size_t length, EntityMask entityMask);
}
#endif
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