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/*
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* Copyright (c) 2006-2009 Nokia Corporation and/or its subsidiary(-ies).
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of the License "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description:
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* This file contains the implementation of the BMPString ASN1 object.
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*
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*/
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#include <asn1dec.h>
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EXPORT_C TASN1DecBMPString::TASN1DecBMPString(void)
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{
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}
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EXPORT_C TInt TASN1DecBMPString::CheckValid(const TDesC8& /*aString*/)
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{
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return KErrNone;
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}
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/**
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Decodes an ASN.1 format BMP string.
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@param aSource ASN.1 BMP string to be decoded.
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@param aPos Offset in aSource from where decoding starts.
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@return On return, a pointer to a buffer containing the decoded BMP string.
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*/
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EXPORT_C HBufC* TASN1DecBMPString::DecodeDERL(const TDesC8& aSource,TInt& aPos)
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{
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TPtrC8 Source=aSource.Mid(aPos);
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TASN1DecGeneric gen(Source);
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gen.InitL();
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HBufC* res = DecodeContentsL(gen.GetContentDER());
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return res;
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}
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/**
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Decodes an ASN.1 format BMP string.
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@param aSource ASN.1 BMP string to be decoded.
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@return On return, a pointer to a buffer containing the decoded BMP string.
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*/
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EXPORT_C HBufC* TASN1DecBMPString::DecodeDERL(const TASN1DecGeneric& aSource)
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{
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return DecodeContentsL(aSource.GetContentDER());
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}
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HBufC* TASN1DecBMPString::DecodeContentsL(const TDesC8& aSource)
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{
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TInt len = aSource.Length()/2;
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HBufC* res = HBufC::NewL(len);
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const TUint16* data16 = reinterpret_cast<const TUint16 *>(aSource.Ptr());
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TPtr pRes = res->Des();
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pRes.Copy(data16, len);
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return res;
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}
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