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/*
* Copyright (C) 1999 Lars Knoll (knoll@kde.org)
* (C) 1999 Antti Koivisto (koivisto@kde.org)
* (C) 2001 Peter Kelly (pmk@post.com)
* (C) 2001 Dirk Mueller (mueller@kde.org)
* Copyright (C) 2003, 2004, 2005, 2006, 2007 Apple Inc. All rights reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*
*/
#ifndef Attr_h
#define Attr_h
#include "ContainerNode.h"
#include "Attribute.h"
namespace WebCore {
// this has no counterpart in DOM, purely internal
// representation of the nodevalue of an Attr.
// the actual Attr (Attr) with its value as textchild
// is only allocated on demand by the DOM bindings.
// Any use of Attr inside khtml should be avoided.
// Attr can have Text and EntityReference children
// therefore it has to be a fullblown Node. The plan
// is to dynamically allocate a textchild and store the
// resulting nodevalue in the Attribute upon
// destruction. however, this is not yet implemented.
class Attr : public ContainerNode {
friend class NamedAttrMap;
public:
Attr(Element*, Document*, Attribute*);
~Attr();
// Call this after calling the constructor so the
// Attr node isn't floating when we append the text node.
void createTextChild();
// DOM methods & attributes for Attr
String name() const { return qualifiedName().toString(); }
bool specified() const { return m_attrWasSpecifiedOrElementHasRareData; }
Element* ownerElement() const { return m_element; }
String value() const { return m_attribute->value(); }
void setValue(const String&, ExceptionCode&);
// DOM methods overridden from parent classes
virtual String nodeName() const;
virtual NodeType nodeType() const;
virtual const AtomicString& localName() const;
virtual const AtomicString& namespaceURI() const;
virtual const AtomicString& prefix() const;
virtual void setPrefix(const AtomicString&, ExceptionCode&);
virtual String nodeValue() const;
virtual void setNodeValue(const String&, ExceptionCode&);
virtual PassRefPtr<Node> cloneNode(bool deep);
// Other methods (not part of DOM)
virtual bool isAttributeNode() const { return true; }
virtual bool childTypeAllowed(NodeType);
virtual void childrenChanged();
virtual String toString() const;
Attribute* attr() const { return m_attribute.get(); }
const QualifiedName& qualifiedName() const { return m_attribute->name(); }
// An extension to get presentational information for attributes.
CSSStyleDeclaration* style() { return m_attribute->style(); }
void setSpecified(bool specified) { m_attrWasSpecifiedOrElementHasRareData = specified; }
private:
Element* m_element;
RefPtr<Attribute> m_attribute;
int m_ignoreChildrenChanged;
};
} //namespace
#endif