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