cryptoservices/certificateandkeymgmt/asn1/numstrdec.cpp
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Tue, 31 Aug 2010 17:00:08 +0300
branchRCL_3
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/*
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* Copyright (c) 1998-2009 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 ASN1 Numeric String class.
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* This character set includes the digits 0,1,...,9 and the character <space>
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*
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*/
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#include <asn1dec.h>
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EXPORT_C TASN1DecNumericString::TASN1DecNumericString(void)
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	{
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	}
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EXPORT_C HBufC* TASN1DecNumericString::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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HBufC* TASN1DecNumericString::DecodeContentsL(const TDesC8& aSource)
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	{
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	HBufC* res = HBufC::NewL(aSource.Length());
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	TPtr pRes = res->Des();
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	pRes.Copy(aSource);
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	return res;
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	}
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TInt TASN1DecNumericString::CheckValid(const TDesC8& aString)
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	{
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	TInt i;
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	for (i=0;i<aString.Length();i++)
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		{
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		if ((aString[i]<'0')||(aString[i]>'9'))
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			{
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			if (aString[i]!=' ')
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				{
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				return KErrArgument;
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				}
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			}
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		}
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	return KErrNone;
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	}