/*

 * Copyright (c) 2008-2009 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: 

 *

 */

 #include <errno.h>

 #include <e32base.h>

 #include <utf.h>

 #include "stringconv.h"

 #include "logger.h"

 TUint8 *cstrFromUtf16(const TText *aUtf16, TInt aLength, TInt &outputBytes)

 {

 	TPtrC16 src(aUtf16, aLength);

 	TPtr8 nulldest(0,0);

 	TInt len = CnvUtfConverter::ConvertFromUnicodeToUtf8(nulldest, src);

 	if(len<0)

 		{

 		dbg << Log::Indent() << "ConvertFromUnicodeToUtf8 failed" << Log::Endl();

 		FatalError();

 		}

 	TUint8 *buf = new TUint8[len+1];

 	TPtr8 dest(buf, len);

 	(void) CnvUtfConverter::ConvertFromUnicodeToUtf8(dest, src);

 	buf[len] = 0; // Add NUL termination in case it is used with windows APIs

 	outputBytes = dest.Length();

 	return buf;

 }

 std::string stringFromUtf16(const TText *aUtf16, TInt aLength)

 {

 	TInt outputBytes = 0;

 	TUint8 *outBuf = cstrFromUtf16(aUtf16, aLength, outputBytes);

 	std::string str((const char *)outBuf, outputBytes);

 	delete [] outBuf;

 	return str;

 }

 std::string stringFromUtf16(const TDesC &aUtf16)

 {

 	return stringFromUtf16(aUtf16.Ptr(), aUtf16.Length());

 }

 TText *utf16FromUtf8(const TUint8 *aUtf8, TInt aLength, TInt &outputWords)

 {

 	// Expand UTF-8 into internal UTF-16LE representation

 	TPtrC8 src(aUtf8, aLength);

 	TPtr16 nulldest(0,0);

 	TInt len = CnvUtfConverter::ConvertToUnicodeFromUtf8(nulldest, src);

 	if(len<0)

 		{

 		dbg << Log::Indent() << "ConvertToUnicodeFromUtf8 failed" << Log::Endl();

 		FatalError();

 		}

 	TUint16 *buf = new TUint16[len+1];

 	TPtr16 dest(buf, len);

 	(void) CnvUtfConverter::ConvertToUnicodeFromUtf8(dest, src);

 	buf[len] = 0; // Add null termination in case it gets used with windows APIs

 	outputWords = dest.Length();

 	return buf;

 }

 // End of file