pjs/editor/base/TransactionFactory.cpp

96 строки
3.1 KiB
C++
Исходник Обычный вид История

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
*
* The contents of this file are subject to the Netscape Public
* License Version 1.1 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.mozilla.org/NPL/
*
* Software distributed under the License is distributed on an "AS
* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
* implied. See the License for the specific language governing
* rights and limitations under the License.
*
* The Original Code is mozilla.org code.
*
* The Initial Developer of the Original Code is Netscape
* Communications Corporation. Portions created by Netscape are
* Copyright (C) 1998 Netscape Communications Corporation. All
* Rights Reserved.
*
* Contributor(s):
*/
#include "TransactionFactory.h"
// transactions this factory knows how to build
#include "EditAggregateTxn.h"
#include "PlaceholderTxn.h"
#include "InsertTextTxn.h"
#include "DeleteTextTxn.h"
#include "CreateElementTxn.h"
#include "InsertElementTxn.h"
#include "DeleteElementTxn.h"
#include "DeleteRangeTxn.h"
#include "ChangeAttributeTxn.h"
#include "SplitElementTxn.h"
#include "JoinElementTxn.h"
#include "nsStyleSheetTxns.h"
#include "IMETextTxn.h"
#include "SetDocTitleTxn.h"
TransactionFactory::TransactionFactory()
{
}
TransactionFactory::~TransactionFactory()
{
}
nsresult
TransactionFactory::GetNewTransaction(REFNSIID aTxnType, EditTxn **aResult)
{
nsresult result = NS_OK;
*aResult = nsnull;
if (aTxnType.Equals(InsertTextTxn::GetCID()))
*aResult = new InsertTextTxn();
else if (aTxnType.Equals(DeleteTextTxn::GetCID()))
*aResult = new DeleteTextTxn();
else if (aTxnType.Equals(CreateElementTxn::GetCID()))
*aResult = new CreateElementTxn();
else if (aTxnType.Equals(InsertElementTxn::GetCID()))
*aResult = new InsertElementTxn();
else if (aTxnType.Equals(DeleteElementTxn::GetCID()))
*aResult = new DeleteElementTxn();
else if (aTxnType.Equals(DeleteRangeTxn::GetCID()))
*aResult = new DeleteRangeTxn();
else if (aTxnType.Equals(ChangeAttributeTxn::GetCID()))
*aResult = new ChangeAttributeTxn();
else if (aTxnType.Equals(SplitElementTxn::GetCID()))
*aResult = new SplitElementTxn();
else if (aTxnType.Equals(JoinElementTxn::GetCID()))
*aResult = new JoinElementTxn();
else if (aTxnType.Equals(EditAggregateTxn::GetCID()))
*aResult = new EditAggregateTxn();
else if (aTxnType.Equals(IMETextTxn::GetCID()))
*aResult = new IMETextTxn();
else if (aTxnType.Equals(AddStyleSheetTxn::GetCID()))
*aResult = new AddStyleSheetTxn();
else if (aTxnType.Equals(RemoveStyleSheetTxn::GetCID()))
*aResult = new RemoveStyleSheetTxn();
else if (aTxnType.Equals(SetDocTitleTxn::GetCID()))
*aResult = new SetDocTitleTxn();
else if (aTxnType.Equals(PlaceholderTxn::GetCID()))
*aResult = new PlaceholderTxn();
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else
result = NS_ERROR_NO_INTERFACE;
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if (NS_SUCCEEDED(result) && nsnull==*aResult)
result = NS_ERROR_OUT_OF_MEMORY;
if (NS_SUCCEEDED(result))
NS_ADDREF(*aResult);
return result;
}