/*

* Copyright (c) 1998-2009 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of the License "Eclipse Public License v1.0"

* which accompanies this distribution, and is available

* at the URL "http://www.eclipse.org/legal/epl-v10.html".

*

* Initial Contributors:

* Nokia Corporation - initial contribution.

*

* Contributors:

*

* Description: 

* This file contains the implementation of the ASN1 Numeric String class.

* This character set includes the digits 0,1,...,9 and the character <space>

*

*/

#include <asn1dec.h>

EXPORT_C TASN1DecNumericString::TASN1DecNumericString(void)

	{

	}

EXPORT_C HBufC* TASN1DecNumericString::DecodeDERL(const TDesC8& aSource,TInt& aPos)

	{

	TPtrC8 Source=aSource.Mid(aPos);

	TASN1DecGeneric gen(Source);

	gen.InitL();

	HBufC* res = DecodeContentsL(gen.GetContentDER());

	return res;

	}

HBufC* TASN1DecNumericString::DecodeContentsL(const TDesC8& aSource)

	{

	HBufC* res = HBufC::NewL(aSource.Length());

	TPtr pRes = res->Des();

	pRes.Copy(aSource);

	return res;

	}

TInt TASN1DecNumericString::CheckValid(const TDesC8& aString)

	{

	TInt i;

	for (i=0;i<aString.Length();i++)

		{

		if ((aString[i]<'0')||(aString[i]>'9'))

			{

			if (aString[i]!=' ')

				{

				return KErrArgument;

				}

			}

		}

	return KErrNone;

	}