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/*
* Copyright (C) 2007, 2008 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.
* 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of
* its contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "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 OR ITS 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.
*/
#include "config.h"
#include "SelectorNodeList.h"
#include "CSSSelector.h"
#include "CSSSelectorList.h"
#include "CSSStyleSelector.h"
#include "Document.h"
#include "Element.h"
#include "HTMLNames.h"
namespace WebCore {
using namespace HTMLNames;
PassRefPtr<StaticNodeList> createSelectorNodeList(Node* rootNode, const CSSSelectorList& querySelectorList)
{
Vector<RefPtr<Node> > nodes;
Document* document = rootNode->document();
CSSSelector* onlySelector = querySelectorList.hasOneSelector() ? querySelectorList.first() : 0;
bool strictParsing = !document->inCompatMode();
CSSStyleSelector::SelectorChecker selectorChecker(document, strictParsing);
if (strictParsing && rootNode->inDocument() && onlySelector && onlySelector->m_match == CSSSelector::Id && !document->containsMultipleElementsWithId(onlySelector->m_value)) {
ASSERT(querySelectorList.first()->attribute() == idAttr);
Element* element = document->getElementById(onlySelector->m_value);
if (element && (rootNode->isDocumentNode() || element->isDescendantOf(rootNode)) && selectorChecker.checkSelector(onlySelector, element))
nodes.append(element);
} else {
for (Node* n = rootNode->firstChild(); n; n = n->traverseNextNode(rootNode)) {
if (n->isElementNode()) {
Element* element = static_cast<Element*>(n);
for (CSSSelector* selector = querySelectorList.first(); selector; selector = CSSSelectorList::next(selector)) {
if (selectorChecker.checkSelector(selector, element)) {
nodes.append(n);
break;
}
}
}
}
}
return StaticNodeList::adopt(nodes);
}
} // namespace WebCore
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