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108 lines
3.1 KiB
C++
108 lines
3.1 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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* The contents of this file are subject to the Netscape Public License
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* Version 1.0 (the "License"); you may not use this file except in
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* compliance with the License. You may obtain a copy of the License at
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* http://www.mozilla.org/NPL/
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*
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* Software distributed under the License is distributed on an "AS IS"
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* basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
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* the License for the specific language governing rights and limitations
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* under the License.
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*
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* The Original Code is Mozilla Communicator client code.
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*
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* The Initial Developer of the Original Code is Netscape Communications
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* Corporation. Portions created by Netscape are Copyright (C) 1998
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* Netscape Communications Corporation. All Rights Reserved.
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*/
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#include "pratom.h"
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#include "nsIComponentManager.h"
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#include "nsIUnicodeDecoder.h"
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#include "nsIUnicodeDecodeUtil.h"
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#include "nsICharsetConverterManager.h"
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#include "ns1ByteToUnicodeBase.h"
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static NS_DEFINE_CID(kCharsetConverterManagerCID, NS_ICHARSETCONVERTERMANAGER_CID);
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ns1ByteToUnicodeBase::ns1ByteToUnicodeBase()
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{
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mUtil = nsnull;
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}
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ns1ByteToUnicodeBase::~ns1ByteToUnicodeBase()
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{
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NS_IF_RELEASE(mUtil);
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}
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NS_IMETHODIMP ns1ByteToUnicodeBase::Convert(PRUnichar * aDest, PRInt32 aDestOffset,
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PRInt32 * aDestLength,
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const char * aSrc, PRInt32 aSrcOffset,
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PRInt32 * aSrcLength)
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{
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if (aDest == NULL) return NS_ERROR_NULL_POINTER;
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if(nsnull == mUtil)
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{
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nsresult res = NS_OK;
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res = nsComponentManager::CreateInstance(
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kCharsetConverterManagerCID,
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NULL,
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kIUnicodeDecodeUtilIID,
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(void**) & mUtil);
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if(NS_FAILED(res))
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{
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*aSrcLength = 0;
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*aDestLength = 0;
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return res;
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}
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if( PR_FALSE == GetFastTableInitState())
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{
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res = mUtil->Init1ByteFastTable(
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this->GetMappingTable(),
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this->GetFastTable());
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if(NS_FAILED(res))
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{
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*aSrcLength = 0;
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*aDestLength = 0;
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return res;
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}
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this->SetFastTableInit();
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}
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}
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return mUtil->Convert( aDest, aDestOffset, aDestLength,
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aSrc, aSrcOffset, aSrcLength,
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this->GetFastTable());
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}
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NS_IMETHODIMP ns1ByteToUnicodeBase::Finish(PRUnichar * aDest, PRInt32 aDestOffset,
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PRInt32 * aDestLength)
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{
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// it is really only a stateless converter...
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*aDestLength = 0;
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return NS_OK;
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}
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NS_IMETHODIMP ns1ByteToUnicodeBase::Length(const char * aSrc, PRInt32 aSrcOffset,
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PRInt32 aSrcLength,
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PRInt32 * aDestLength)
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{
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*aDestLength = aSrcLength;
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return NS_EXACT_LENGTH;
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}
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NS_IMETHODIMP ns1ByteToUnicodeBase::Reset()
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{
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return NS_OK;
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}
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NS_IMETHODIMP ns1ByteToUnicodeBase::SetInputErrorBehavior(PRInt32 aBehavior)
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{
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return NS_OK;
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}
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