1 /*

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

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

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

     6 * which accompanies this distribution, and is available

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

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description: 

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

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

    17 *

    18 */

    19 

    20 

    21 #include <asn1dec.h>

    22 

    23 EXPORT_C TASN1DecNumericString::TASN1DecNumericString(void)

    24 	{

    25 	}

    26 

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

    28 

    29 	{

    30 	TPtrC8 Source=aSource.Mid(aPos);

    31 	TASN1DecGeneric gen(Source);

    32 	gen.InitL();

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

    34 	return res;

    35 	}

    36 

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

    38 	{

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

    40 	TPtr pRes = res->Des();

    41 	pRes.Copy(aSource);

    42 	return res;

    43 	}

    44 

    45 TInt TASN1DecNumericString::CheckValid(const TDesC8& aString)

    46 

    47 	{

    48 	TInt i;

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

    50 		{

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

    52 			{

    53 			if (aString[i]!=' ')

    54 				{

    55 				return KErrArgument;

    56 				}

    57 			}

    58 		}

    59 	return KErrNone;

    60 	}