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/*
* Copyright (C) 1999 Lars Knoll (knoll@kde.org)
* (C) 1999 Antti Koivisto (koivisto@kde.org)
* Copyright (C) 2003, 2004, 2005, 2006, 2007, 2011, 2012 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.
*
*/
#include "config.h"
#include "HTMLNameCollection.h"
#include "Element.h"
#include "HTMLDocument.h"
#include "HTMLFormElement.h"
#include "HTMLImageElement.h"
#include "HTMLNames.h"
#include "HTMLObjectElement.h"
#include "NodeRareData.h"
#include "NodeTraversal.h"
namespace WebCore {
using namespace HTMLNames;
HTMLNameCollection::HTMLNameCollection(Node* document, CollectionType type, const AtomicString& name)
: HTMLCollection(document, type, DoesNotOverrideItemAfter)
, m_name(name)
{
}
HTMLNameCollection::~HTMLNameCollection()
{
ASSERT(ownerNode());
ASSERT(ownerNode()->isDocumentNode());
ASSERT(type() == WindowNamedItems || type() == DocumentNamedItems);
ownerNode()->nodeLists()->removeCacheWithAtomicName(this, type(), m_name);
}
bool WindowNameCollection::nodeMatchesIfNameAttributeMatch(Element* element)
{
return isHTMLImageElement(element) || isHTMLFormElement(element) || element->hasTagName(appletTag)
|| element->hasTagName(embedTag) || element->hasTagName(objectTag);
}
bool WindowNameCollection::nodeMatches(Element* element, const AtomicString& name)
{
// Find only images, forms, applets, embeds and objects by name, but anything by id
if (nodeMatchesIfNameAttributeMatch(element) && element->getNameAttribute() == name)
return true;
return element->getIdAttribute() == name;
}
bool DocumentNameCollection::nodeMatchesIfIdAttributeMatch(Element* element)
{
// FIXME: we need to fix HTMLImageElement to update the hash map for us when name attribute has been removed.
return element->hasTagName(appletTag) || (element->hasTagName(objectTag) && toHTMLObjectElement(element)->isDocNamedItem())
|| (isHTMLImageElement(element) && element->hasName());
}
bool DocumentNameCollection::nodeMatchesIfNameAttributeMatch(Element* element)
{
return isHTMLFormElement(element) || element->hasTagName(embedTag) || element->hasTagName(iframeTag)
|| element->hasTagName(appletTag) || (element->hasTagName(objectTag) && toHTMLObjectElement(element)->isDocNamedItem())
|| isHTMLImageElement(element);
}
bool DocumentNameCollection::nodeMatches(Element* element, const AtomicString& name)
{
// Find images, forms, applets, embeds, objects and iframes by name, applets and object by id, and images by id
// but only if they have a name attribute (this very strange rule matches IE)
if (isHTMLFormElement(element) || element->hasTagName(embedTag) || element->hasTagName(iframeTag))
return element->getNameAttribute() == name;
if (element->hasTagName(appletTag))
return element->getNameAttribute() == name || element->getIdAttribute() == name;
if (element->hasTagName(objectTag))
return (element->getNameAttribute() == name || element->getIdAttribute() == name) && toHTMLObjectElement(element)->isDocNamedItem();
if (isHTMLImageElement(element))
return element->getNameAttribute() == name || (element->getIdAttribute() == name && element->hasName());
return false;
}
}
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