sl@0: /*
sl@0: * Copyright (c) 2000-2009 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 directory string ASN1 object
sl@0: *
sl@0: */
sl@0: 
sl@0: 
sl@0: #include "X500dec.h"
sl@0: 
sl@0: /*
sl@0: 
sl@0:   This file contains the implementation of the following ASN1 data structures:
sl@0: 
sl@0: 	DirectoryString ::= CHOICE {
sl@0: 		  teletexString             TeletexString (SIZE (1..MAX)),
sl@0: 		  printableString           PrintableString (SIZE (1..MAX)),
sl@0: 		  universalString           UniversalString (SIZE (1..MAX)),
sl@0: 		  utf8String              UTF8String (SIZE (1..MAX)),
sl@0: 		  bmpString               BMPString (SIZE(1..MAX))   }
sl@0: 
sl@0: */
sl@0: 
sl@0: TASN1DecX500DirectoryString::TASN1DecX500DirectoryString(void):
sl@0: iMaxLength(KMaxTInt)
sl@0: 	{
sl@0: 	}
sl@0: 
sl@0: HBufC* TASN1DecX500DirectoryString::DecodeDERL(const TDesC8& aSource,TInt& aPos, TInt aMaxLength)
sl@0: 
sl@0: 	{
sl@0: 	TPtrC8 Ptr=aSource.Right(aSource.Length()-aPos);
sl@0: 	TASN1DecGeneric gen(Ptr);
sl@0: 	gen.InitL();
sl@0: 	aPos+=gen.LengthDER();
sl@0: 	HBufC* Object=DecodeContentsL(gen, aMaxLength);
sl@0: 	return Object;
sl@0: 	}
sl@0: 
sl@0: HBufC* TASN1DecX500DirectoryString::DecodeDERL(const TASN1DecGeneric& aSource, TInt aMaxLength)
sl@0: 
sl@0: 	{
sl@0: 	return DecodeContentsL(aSource, aMaxLength);
sl@0: 	}
sl@0: 
sl@0: HBufC* TASN1DecX500DirectoryString::DecodeContentsL(const TASN1DecGeneric& aSource, TInt aMaxLength)
sl@0: 	{
sl@0: 	HBufC* res = NULL;
sl@0: 	switch (aSource.Tag())
sl@0: 		{
sl@0: 		case EASN1TeletexString:
sl@0: 			{
sl@0: 			TASN1DecTeletexString tStr;
sl@0: 			res = tStr.DecodeDERL(aSource);
sl@0: 			break;
sl@0: 			}
sl@0: 		case EASN1PrintableString:
sl@0: 			{
sl@0: 			TASN1DecPrintableString pStr;
sl@0: 			res = pStr.DecodeDERL(aSource);
sl@0: 			break;
sl@0: 			}
sl@0: 		case EASN1IA5String:
sl@0: 			{
sl@0: 			TASN1DecIA5String pStr;
sl@0: 			res = pStr.DecodeDERL(aSource);
sl@0: 			break;
sl@0: 			}
sl@0: 		case EASN1UTF8String:
sl@0: 			{
sl@0: 			TASN1DecUTF8String pStr;
sl@0: 			res = pStr.DecodeDERL(aSource);
sl@0: 			break;
sl@0: 			}												
sl@0: 		case EASN1BMPString:
sl@0: 			{
sl@0: 			TASN1DecBMPString pStr;
sl@0: 			res = pStr.DecodeDERL(aSource);
sl@0: 			break;	
sl@0: 			}									
sl@0: 		default:
sl@0: 			{
sl@0: 			User::Leave(KErrNotSupported);
sl@0: 			break;
sl@0: 			}
sl@0: 		}
sl@0: 	if (res->Length() > aMaxLength)
sl@0: 		{
sl@0: 		delete res;
sl@0: 		User::Leave(KErrArgument);
sl@0: 		}
sl@0: 	return res;
sl@0: 	}
sl@0: 
sl@0: void TASN1DecX500DirectoryString::SetMaxLength(TInt aLength)
sl@0: // perhaps this should have some kind of testing to make sure the current 
sl@0: // contents are valid...this is not as easy as it might first appear, the 
sl@0: // contents might be eight or sixteen bits.
sl@0: 	{
sl@0: 	iMaxLength=aLength;
sl@0: 	}