1 /*

     2 * Copyright (c) 2008-2009 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 *

    16 */

    17 

    18 

    19 #include <errno.h>

    20 #include <e32base.h>

    21 #include <utf.h>

    22 #include "stringconv.h"

    23 #include "logger.h"

    24 

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

    26 {

    27 	TPtrC16 src(aUtf16, aLength);

    28 	

    29 	TPtr8 nulldest(0,0);

    30 

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

    32 	if(len<0)

    33 		{

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

    35 		FatalError();

    36 		}

    37 	

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

    39 	TPtr8 dest(buf, len);

    40 

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

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

    43 	outputBytes = dest.Length();

    44 	return buf;

    45 }

    46 

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

    48 {

    49 	TInt outputBytes = 0;

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

    51 	

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

    53 	delete [] outBuf;

    54 	return str;

    55 }

    56 

    57 std::string stringFromUtf16(const TDesC &aUtf16)

    58 {

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

    60 }

    61 

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

    63 {

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

    65 

    66 	TPtrC8 src(aUtf8, aLength);

    67 	

    68 	TPtr16 nulldest(0,0);

    69 

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

    71 	if(len<0)

    72 		{

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

    74 		FatalError();

    75 		}

    76 	

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

    78 	TPtr16 dest(buf, len);

    79 

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

    81 

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

    83 	outputWords = dest.Length();

    84 	return buf;

    85 }

    86 

    87 

    88 // End of file