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/*
* Copyright (C) 2007 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.
*/
#include "config.h"
#include "JSNamedNodesCollection.h"
#include "AtomicString.h"
#include "JSNode.h"
#include "NamedAttrMap.h"
#include "Node.h"
namespace WebCore {
using namespace KJS;
const ClassInfo JSNamedNodesCollection::s_info = { "Collection", 0, 0, 0 };
// Such a collection is usually very short-lived, it only exists
// for constructs like document.forms.<name>[1],
// so it shouldn't be a problem that it's storing all the nodes (with the same name). (David)
JSNamedNodesCollection::JSNamedNodesCollection(KJS::JSObject* prototype, const Vector<RefPtr<Node> >& nodes)
: DOMObject(prototype)
, m_nodes(nodes)
{
}
JSValue* JSNamedNodesCollection::lengthGetter(ExecState* exec, const Identifier& propertyName, const PropertySlot& slot)
{
JSNamedNodesCollection* thisObj = static_cast<JSNamedNodesCollection*>(slot.slotBase());
return jsNumber(thisObj->m_nodes.size());
}
JSValue* JSNamedNodesCollection::indexGetter(ExecState* exec, const Identifier& propertyName, const PropertySlot& slot)
{
JSNamedNodesCollection *thisObj = static_cast<JSNamedNodesCollection*>(slot.slotBase());
return toJS(exec, thisObj->m_nodes[slot.index()].get());
}
bool JSNamedNodesCollection::getOwnPropertySlot(ExecState* exec, const Identifier& propertyName, PropertySlot& slot)
{
if (propertyName == exec->propertyNames().length) {
slot.setCustom(this, lengthGetter);
return true;
}
bool ok;
unsigned index = propertyName.toUInt32(&ok);
if (ok && index < m_nodes.size()) {
slot.setCustomIndex(this, index, indexGetter);
return true;
}
// For IE compatibility, we need to be able to look up elements in a
// document.formName.name result by id as well as be index.
AtomicString atomicPropertyName = propertyName;
for (unsigned i = 0; i < m_nodes.size(); i++) {
Node* node = m_nodes[i].get();
if (node->hasAttributes() && node->attributes()->id() == atomicPropertyName) {
slot.setCustomIndex(this, i, indexGetter);
return true;
}
}
return DOMObject::getOwnPropertySlot(exec, propertyName, slot);
}
} // namespace WebCore
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