/*

* Copyright (c) 2010 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: 

*

*/

#include "NPUtils.h"

#include <utf.h>

#include "CCPixNPPluginEcom.h"

namespace nputils {

// -----------------------------------------------------------------------------

TInt VariantToInt( NPVariant& v )

    {

    if ( NPVARIANT_IS_INT32( v ) ) return NPVARIANT_TO_INT32( v );

    if ( NPVARIANT_IS_DOUBLE( v ) )

        {

        TReal value = NPVARIANT_TO_DOUBLE( v );

        if (value > 0) return value + 0.5; 

        return value - 0.5;

        }

    if ( NPVARIANT_IS_BOOLEAN( v ) ) return NPVARIANT_TO_BOOLEAN( v );

    return 0;

    }

// -----------------------------------------------------------------------------

TUint VariantToUnsigned( NPVariant& v )

    {

    TInt value = 0;

    if ( NPVARIANT_IS_INT32( v ) ) value = NPVARIANT_TO_INT32( v );

    if ( NPVARIANT_IS_DOUBLE( v ) ) value = NPVARIANT_TO_DOUBLE( v ) + 0.5;

    if ( NPVARIANT_IS_BOOLEAN( v ) ) value = NPVARIANT_TO_BOOLEAN( v );

    if (value < 0) return 0;

    return value;

    }

// -----------------------------------------------------------------------------

TReal VariantToDouble( NPVariant& v )

    {

    if ( NPVARIANT_IS_INT32( v ) ) return NPVARIANT_TO_INT32( v );

    if ( NPVARIANT_IS_DOUBLE( v ) ) return NPVARIANT_TO_DOUBLE( v );

    if ( NPVARIANT_IS_BOOLEAN( v ) ) return NPVARIANT_TO_BOOLEAN( v );

    return 0;

    }

// -----------------------------------------------------------------------------

void DescriptorToVariantL(const TDesC16& aString, NPVariant& aVariant)

	{

    CCPixNPPluginEcom* pluginEcom = (CCPixNPPluginEcom*) Dll::Tls();

    NPNetscapeFuncs* netscapeFuncs = pluginEcom->Funcs();

    HBufC8* utf8String = CnvUtfConverter::ConvertFromUnicodeToUtf8L(aString);

    int length = utf8String->Length();

    char* newString = (char *)netscapeFuncs->memalloc( length );

    if (newString)

    	{

        Mem::Copy(newString, utf8String->Des().Ptr(), length);

        STRINGN_TO_NPVARIANT(newString, length, aVariant);

    	}

    delete utf8String;

	}

// -----------------------------------------------------------------------------

void DescriptorToVariant(const TDesC8& aString, NPVariant& aVariant)

    {

    CCPixNPPluginEcom* pluginEcom = (CCPixNPPluginEcom*) Dll::Tls();

    NPNetscapeFuncs* netscapeFuncs = pluginEcom->Funcs();

    int length = aString.Length();

    char* newString = (char *)netscapeFuncs->memalloc( length );

    if (newString)

        {

        Mem::Copy(newString, aString.Ptr(), length);

        STRINGN_TO_NPVARIANT(newString, length, aVariant);

        }

    }

// -----------------------------------------------------------------------------

void VariantToDescriptor(NPVariant& aVariant, TDes8& aString)

    {

    if ( !NPVARIANT_IS_STRING(aVariant) ) return;

    NPString string = NPVARIANT_TO_STRING(aVariant);

    aString.Copy((TUint8*)string.UTF8Characters, string.UTF8Length);

    }

// -----------------------------------------------------------------------------

void VariantToDescriptorL(NPVariant& aVariant, TDes16& aString)

    {

    if ( !NPVARIANT_IS_STRING(aVariant) ) return;

    NPString string = NPVARIANT_TO_STRING(aVariant);

    RBuf8 buffer;

    buffer.CreateL(string.UTF8Length);

    buffer.Copy((TUint8*)string.UTF8Characters, string.UTF8Length);

    CnvUtfConverter::ConvertToUnicodeFromUtf8(aString, buffer);

    buffer.Close();

    }

HBufC16* VariantToHBufC16LC(NPVariant& aVariant)

    {

    if ( !NPVARIANT_IS_STRING(aVariant) ) return NULL; 

    NPString string = NPVARIANT_TO_STRING(aVariant);

    RBuf8 buffer;

    buffer.CreateL(string.UTF8Length);

    CleanupClosePushL( buffer ); 

    buffer.Copy((TUint8*)string.UTF8Characters, string.UTF8Length);

    HBufC16* ret = CnvUtfConverter::ConvertToUnicodeFromUtf8L( buffer );

    CleanupStack::PopAndDestroy(); // buffer ;

    CleanupStack::PushL( ret ); 

    return ret; 

    }

HBufC8* VariantToHBufC8LC(NPVariant& aVariant)

    {

    if ( !NPVARIANT_IS_STRING(aVariant) ) return NULL; 

    HBufC8* ret = HBufC8::NewLC( NPVARIANT_TO_STRING( aVariant ).UTF8Length );

    TPtr8 des( ret->Des() );

    VariantToDescriptor( aVariant, des ); 

    return ret; 

    }

}