sl@0: /*
sl@0: * Copyright (c) 1998-2009 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 ASN1 Numeric String class.
sl@0: * This character set includes the digits 0,1,...,9 and the character <space>
sl@0: *
sl@0: */
sl@0: 
sl@0: 
sl@0: #include <asn1dec.h>
sl@0: 
sl@0: EXPORT_C TASN1DecNumericString::TASN1DecNumericString(void)
sl@0: 	{
sl@0: 	}
sl@0: 
sl@0: EXPORT_C HBufC* TASN1DecNumericString::DecodeDERL(const TDesC8& aSource,TInt& aPos)
sl@0: 
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: HBufC* TASN1DecNumericString::DecodeContentsL(const TDesC8& aSource)
sl@0: 	{
sl@0: 	HBufC* res = HBufC::NewL(aSource.Length());
sl@0: 	TPtr pRes = res->Des();
sl@0: 	pRes.Copy(aSource);
sl@0: 	return res;
sl@0: 	}
sl@0: 
sl@0: TInt TASN1DecNumericString::CheckValid(const TDesC8& aString)
sl@0: 
sl@0: 	{
sl@0: 	TInt i;
sl@0: 	for (i=0;i<aString.Length();i++)
sl@0: 		{
sl@0: 		if ((aString[i]<'0')||(aString[i]>'9'))
sl@0: 			{
sl@0: 			if (aString[i]!=' ')
sl@0: 				{
sl@0: 				return KErrArgument;
sl@0: 				}
sl@0: 			}
sl@0: 		}
sl@0: 	return KErrNone;
sl@0: 	}