/*

* Copyright (c) 2007-2009 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: 

* Implementation for class encoding printable strings in ASN1 DER

*

*/

#include <asn1enc.h>

const TInt8 PrintableStringValid[256]=

	{

//  0 1 2 3 4 5 6 7 8 9 a b c d e f

	0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,  // 0

	0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,  // 1

	0,0,0,0,0,0,0,1,1,1,0,1,1,1,1,1,  // 2

	1,1,1,1,1,1,1,1,1,1,1,0,0,0,0,1,  // 3

	0,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,  // 4

	1,1,1,1,1,1,1,1,1,1,1,0,0,0,0,0,  // 5 

	0,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,  // 6

	1,1,1,1,1,1,1,1,1,1,1,0,0,0,0,0,  // 7 

	};

EXPORT_C CASN1EncPrintableString* CASN1EncPrintableString::NewLC(const TDesC8& aStr)

	{

	CASN1EncPrintableString* self = new (ELeave) CASN1EncPrintableString();

	CleanupStack::PushL(self);

	self->ConstructL(aStr);

	return self;

	}

EXPORT_C CASN1EncPrintableString* CASN1EncPrintableString::NewL(const TDesC8& aStr)

	{

	CASN1EncPrintableString* self = NewLC(aStr);

	CleanupStack::Pop(self);

	return self;

	}

EXPORT_C CASN1EncPrintableString::~CASN1EncPrintableString()

	{

	delete iContents;

	}

CASN1EncPrintableString::CASN1EncPrintableString()

: CASN1EncPrimitive(EASN1PrintableString)

	{

	}

TInt CASN1EncPrintableString::CheckValid(const TDesC8& aString)

	{

	TInt i;

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

		{

		if ((aString[i] > 0x7F) || (PrintableStringValid[aString[i]] == 0))

			{

			return EFalse;

			}

		}

	return ETrue;

	}

void CASN1EncPrintableString::ConstructL(const TDesC8& aStr)

	{

	if (CheckValid(aStr) == EFalse)

		{

		User::Leave(KErrArgument);

		}

	iContents = aStr.AllocL();

	CASN1EncPrimitive::ConstructL();

	}

void CASN1EncPrintableString::CalculateContentsLengthDER()

	{

	iContentsLengthDER = iContents->Length();

	}

void CASN1EncPrintableString::WriteContentsDERL(TDes8& aBuf) const

	{

	aBuf.Copy(*iContents);

	}