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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) 2004, 2005, 2006, 2007, 2008, 2009, 2013 Apple Inc. All rights reserved.
* (C) 2007 Eric Seidel (eric@webkit.org)
*
* 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.
*/
#include "config.h"
#include "NamedNodeMap.h"
#include "Attr.h"
#include "Document.h"
#include "Element.h"
#include "ExceptionCode.h"
#include "HTMLNames.h"
namespace WebCore {
using namespace HTMLNames;
static inline bool shouldIgnoreAttributeCase(const Element* e)
{
return e && e->document()->isHTMLDocument() && e->isHTMLElement();
}
void NamedNodeMap::ref()
{
m_element->ref();
}
void NamedNodeMap::deref()
{
m_element->deref();
}
PassRefPtr<Node> NamedNodeMap::getNamedItem(const AtomicString& name) const
{
return m_element->getAttributeNode(name);
}
PassRefPtr<Node> NamedNodeMap::getNamedItemNS(const AtomicString& namespaceURI, const AtomicString& localName) const
{
return m_element->getAttributeNodeNS(namespaceURI, localName);
}
PassRefPtr<Node> NamedNodeMap::removeNamedItem(const AtomicString& name, ExceptionCode& ec)
{
unsigned index = m_element->hasAttributes() ? m_element->getAttributeItemIndex(name, shouldIgnoreAttributeCase(m_element)) : ElementData::attributeNotFound;
if (index == ElementData::attributeNotFound) {
ec = NOT_FOUND_ERR;
return 0;
}
return m_element->detachAttribute(index);
}
PassRefPtr<Node> NamedNodeMap::removeNamedItemNS(const AtomicString& namespaceURI, const AtomicString& localName, ExceptionCode& ec)
{
unsigned index = m_element->hasAttributes() ? m_element->getAttributeItemIndex(QualifiedName(nullAtom, localName, namespaceURI)) : notFound;
if (index == ElementData::attributeNotFound) {
ec = NOT_FOUND_ERR;
return 0;
}
return m_element->detachAttribute(index);
}
PassRefPtr<Node> NamedNodeMap::setNamedItem(Node* node, ExceptionCode& ec)
{
if (!node) {
ec = NOT_FOUND_ERR;
return 0;
}
// Not mentioned in spec: throw a HIERARCHY_REQUEST_ERROR if the user passes in a non-attribute node
if (!node->isAttributeNode()) {
ec = HIERARCHY_REQUEST_ERR;
return 0;
}
return m_element->setAttributeNode(static_cast<Attr*>(node), ec);
}
PassRefPtr<Node> NamedNodeMap::setNamedItemNS(Node* node, ExceptionCode& ec)
{
return setNamedItem(node, ec);
}
PassRefPtr<Node> NamedNodeMap::item(unsigned index) const
{
if (index >= length())
return 0;
return m_element->ensureAttr(m_element->attributeItem(index)->name());
}
unsigned NamedNodeMap::length() const
{
if (!m_element->hasAttributes())
return 0;
return m_element->attributeCount();
}
} // namespace WebCore
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