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/*
* Copyright (C) 2007, 2008 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 "JSHTMLCollection.h"
#include "AtomicString.h"
#include "HTMLCollection.h"
#include "HTMLOptionsCollection.h"
#include "JSHTMLAllCollection.h"
#include "JSHTMLOptionsCollection.h"
#include "JSNamedNodesCollection.h"
#include "JSNode.h"
#include "Node.h"
#include "JSDOMBinding.h"
#include <wtf/Vector.h>
using namespace JSC;
namespace WebCore {
static JSValue getNamedItems(ExecState* exec, HTMLCollection* impl, const Identifier& propertyName)
{
Vector<RefPtr<Node> > namedItems;
impl->namedItems(propertyName, namedItems);
if (namedItems.isEmpty())
return jsUndefined();
if (namedItems.size() == 1)
return toJS(exec, namedItems[0].get());
return new (exec) JSNamedNodesCollection(exec, namedItems);
}
// HTMLCollections are strange objects, they support both get and call,
// so that document.forms.item(0) and document.forms(0) both work.
static JSValue JSC_HOST_CALL callHTMLCollection(ExecState* exec, JSObject* function, JSValue, const ArgList& args)
{
if (args.size() < 1)
return jsUndefined();
// Do not use thisObj here. It can be the JSHTMLDocument, in the document.forms(i) case.
HTMLCollection* collection = static_cast<JSHTMLCollection*>(function)->impl();
// Also, do we need the TypeError test here ?
if (args.size() == 1) {
// Support for document.all(<index>) etc.
bool ok;
UString string = args.at(0).toString(exec);
unsigned index = string.toUInt32(&ok, false);
if (ok)
return toJS(exec, collection->item(index));
// Support for document.images('<name>') etc.
return getNamedItems(exec, collection, Identifier(exec, string));
}
// The second arg, if set, is the index of the item we want
bool ok;
UString string = args.at(0).toString(exec);
unsigned index = args.at(1).toString(exec).toUInt32(&ok, false);
if (ok) {
String pstr = string;
Node* node = collection->namedItem(pstr);
while (node) {
if (!index)
return toJS(exec, node);
node = collection->nextNamedItem(pstr);
--index;
}
}
return jsUndefined();
}
CallType JSHTMLCollection::getCallData(CallData& callData)
{
callData.native.function = callHTMLCollection;
return CallTypeHost;
}
bool JSHTMLCollection::canGetItemsForName(ExecState* exec, HTMLCollection* thisObj, const Identifier& propertyName)
{
return !getNamedItems(exec, thisObj, propertyName).isUndefined();
}
JSValue JSHTMLCollection::nameGetter(ExecState* exec, const Identifier& propertyName, const PropertySlot& slot)
{
JSHTMLCollection* thisObj = static_cast<JSHTMLCollection*>(asObject(slot.slotBase()));
return getNamedItems(exec, thisObj->impl(), propertyName);
}
JSValue JSHTMLCollection::item(ExecState* exec, const ArgList& args)
{
bool ok;
uint32_t index = args.at(0).toString(exec).toUInt32(&ok, false);
if (ok)
return toJS(exec, impl()->item(index));
return getNamedItems(exec, impl(), Identifier(exec, args.at(0).toString(exec)));
}
JSValue JSHTMLCollection::namedItem(ExecState* exec, const ArgList& args)
{
return getNamedItems(exec, impl(), Identifier(exec, args.at(0).toString(exec)));
}
JSValue toJS(ExecState* exec, HTMLCollection* collection)
{
if (!collection)
return jsNull();
DOMObject* wrapper = getCachedDOMObjectWrapper(exec->globalData(), collection);
if (wrapper)
return wrapper;
switch (collection->type()) {
case SelectOptions:
wrapper = CREATE_DOM_OBJECT_WRAPPER(exec, HTMLOptionsCollection, collection);
break;
case DocAll:
typedef HTMLCollection HTMLAllCollection;
wrapper = CREATE_DOM_OBJECT_WRAPPER(exec, HTMLAllCollection, collection);
break;
default:
wrapper = CREATE_DOM_OBJECT_WRAPPER(exec, HTMLCollection, collection);
break;
}
return wrapper;
}
} // namespace WebCore
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