// Copyright (c) 2006-2009 Nokia Corporation and/or its subsidiary(-ies).

// All rights reserved.

// This component and the accompanying materials are made available

// under the terms of "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:

// This file contains methods allow to change XmlChar to TDesC

// and TDesC to XmlChar

//

#include <stdapis/libxml2/libxml2_globals.h>

#include <stdapis/libxml2/libxml2_entities.h>

#include <xml/utils/xmlengmem.h>

#include <utf.h>

#include <escapeutils.h>

EXPORT_C char* XmlEngEscapeForXmlValueL(

    const char* aUnescapedString )

    {

    xmlChar* res = xmlEncodeSpecialChars(NULL, (const xmlChar*)aUnescapedString);

    if(aUnescapedString && !res)

        {

        OOM_HAPPENED;

        }

    return (char*)res;

    }

EXPORT_C char* XmlEngXmlCharFromDesL(

    const TDesC& aDes ) // UTF-16 descriptor to convert into UTF-8 zero-terminated string

    {

    TUint len = ((aDes.Length() + 4) | 0x1F);

    char* str = new(ELeave) char[len + 1];

    TPtr8 utf8buf((TUint8*)str, 0, len);

    TInt res = CnvUtfConverter::ConvertFromUnicodeToUtf8(utf8buf, aDes);

    if (res == 0)

        {

        str[utf8buf.Size()] = 0;

        return str;

        }

    //the buffer size was not large enough:

    //reallocate the larger buffer

    const TInt maxSizeOfSymbol = 4;

    len = len + res*maxSizeOfSymbol; // res contains number of non-converted UTF-16 characters

    delete str;

    str = new(ELeave) char[len + 1];

    TPtr8 utf8buf2((TUint8*)str, 0, len);

    res = CnvUtfConverter::ConvertFromUnicodeToUtf8(utf8buf2, aDes);

    if (res == 0)

        {

        str[utf8buf2.Size()] = 0;

        return str;

        }

    delete str;

    str = NULL;

    User::Leave(KErrGeneral); // this should never happen;

    return NULL;

    }

EXPORT_C char* XmlEngXmlCharFromDes8L(

    const TDesC8& aDes )

    {

    TUint len = aDes.Length();

    char* str = new(ELeave) char[len + 1];

    memcpy(str, aDes.Ptr(), len);

    str[len] = 0;

    return str;

    }