/*

* Copyright (c) 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:  Mifconv bitmap header converter class.

*

*/

#include "mifconv.h"

#include "mifconv_bitmapheaderconverter.h"

#include "mifconv_argumentmanager.h"

#include "mifconv_util.h"

#include "mifconv_exception.h"

const int MIF_ID_FIRST = 16384;

/**

 *

 */

MifConvBitmapHeaderConverter::MifConvBitmapHeaderConverter()

:

iCurrentSourceId(MIF_ID_FIRST)

{

	MifConvArgumentManager* argMgr = MifConvArgumentManager::Instance();

    iHeaderFilename = argMgr->StringValue(MifConvHeaderArg);

}

/**

 *

 */

MifConvBitmapHeaderConverter::~MifConvBitmapHeaderConverter()

{

}

/**

 *

 */

void MifConvBitmapHeaderConverter::Init()

{

    CleanupTargetFiles();

}

/**

 *

 */

void MifConvBitmapHeaderConverter::CleanupTargetFiles()

{

	if( MifConvUtil::FileExists(iHeaderFilename) )

	{

        // Try to remove file MIFCONV_MAX_REMOVE_TRIES times, no exception in case of failure:

        MifConvUtil::RemoveFile(iHeaderFilename, MIFCONV_MAX_REMOVE_TRIES, true);

	}

}

/**

 *

 */

void MifConvBitmapHeaderConverter::AppendFile( const MifConvSourceFile& sourcefile )

{    

	iSourceFiles.push_back( sourcefile );	

}

/**

 *

 */

void MifConvBitmapHeaderConverter::Convert()

{

    // Check if the headerfile name is given. Return if not:    

    if( iHeaderFilename.length() > 0 )

    {

        cout << "Writing mbg: " << iHeaderFilename << endl;

        MifConvUtil::EnsurePathExists(iHeaderFilename, true);

    }

    else

    {

        return;

    }

    // Create / open the header file:

    fstream headerFile(iHeaderFilename.c_str(), ios::out|ios::trunc);

    // If file creation/opening was not successful, give warning and return:

    if( !headerFile.is_open() )

    {

        MifConvString debugStr("WARNING: Headerfile " + iHeaderFilename + " cannot be opened for writing.");

        cout <<  debugStr  << endl;

        MifConvUtil::DebugLog(debugStr);

        return;

    }

    iDestFile = &headerFile; // Save the pointer to the file stream    

    (*iDestFile) << endl;

    // Write the beginning of the header file:

    WriteStart();

    // Add source file items to enumerator:

    for( MifConvSourceFileList::iterator i = iSourceFiles.begin(); i != iSourceFiles.end(); ++i )

    {

        WriteItemToHeader(*i);

    }

    // Write the end of the file...

    WriteEnd();

    // ...and close the file:

    iDestFile->close();

}

/**

 *

 */

void MifConvBitmapHeaderConverter::WriteStart()

{

    (*iDestFile) << "/* This file has been generated, DO NOT MODIFY. */" << endl;

    (*iDestFile) << "enum TMif" << MifConvUtil::UnadornedFilename(iHeaderFilename) << "\n\t{" << endl;

}

/**

 *

 */

void MifConvBitmapHeaderConverter::WriteItemToHeader( const MifConvSourceFile& source )

{

    MifConvString unadornedHeaderFile(MifConvUtil::UnadornedFilename(iHeaderFilename));

    (*iDestFile) << "\tEMbm" << unadornedHeaderFile << MifConvUtil::UnadornedFilename(source.Filename()) <<  " = " << iCurrentSourceId++ << "," << endl;

    // Write mask also, if any:

    if( source.MaskDepth() != IconMaskDepth_Undefined )

    {

        (*iDestFile) << "\tEMbm" << unadornedHeaderFile << MifConvUtil::UnadornedFilename(source.Filename()) <<  "_mask = " << iCurrentSourceId++ << "," << endl;

    }

    else

    {

        // Skip mask ID if mask not present so that adding a mask later does not change IDs.

        iCurrentSourceId++;

    }

}

/**

 *

 */

void MifConvBitmapHeaderConverter::WriteEnd()

{

    (*iDestFile) << "\tEMbm" << MifConvUtil::UnadornedFilename(iHeaderFilename) << "LastElement" << endl;

    (*iDestFile) << "\t};" << endl;

}

/**

 *

 */

void MifConvBitmapHeaderConverter::Cleanup(bool err)

{

    if( err )

	{

	    CleanupTargetFiles();

	}

}