/***********************************************************************
    created:    12/22/2004
    author:     Thomas Suter

    purpose: Implements Irrlicht specific ResourceProvider
*************************************************************************/
/***************************************************************************
 *   Copyright (C) 2004 - 2009 Paul D Turner & The CEGUI Development Team
 *
 *   Permission is hereby granted, free of charge, to any person obtaining
 *   a copy of this software and associated documentation files (the
 *   "Software"), to deal in the Software without restriction, including
 *   without limitation the rights to use, copy, modify, merge, publish,
 *   distribute, sublicense, and/or sell copies of the Software, and to
 *   permit persons to whom the Software is furnished to do so, subject to
 *   the following conditions:
 *
 *   The above copyright notice and this permission notice shall be
 *   included in all copies or substantial portions of the Software.
 *
 *   THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 *   EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 *   MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
 *   IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR
 *   OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
 *   ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 *   OTHER DEALINGS IN THE SOFTWARE.
 ***************************************************************************/
#include "CEGUI/RendererModules/Irrlicht/ResourceProvider.h"
#include "CEGUI/Exceptions.h"
#include <IReadFile.h>

// Start of CEGUI namespace section
namespace CEGUI
{
//----------------------------------------------------------------------------//
IrrlichtResourceProvider::IrrlichtResourceProvider(irr::io::IFileSystem& fs):
    DefaultResourceProvider(),
    d_fsys(fs)
{
    d_fsys.grab();
}

//----------------------------------------------------------------------------//
IrrlichtResourceProvider::~IrrlichtResourceProvider()
{
    d_fsys.drop();
}

//----------------------------------------------------------------------------//
void IrrlichtResourceProvider::loadRawDataContainer(const String& filename,
                                                    RawDataContainer& output,
                                                    const String& resourceGroup)
{
    String final_filename(getFinalFilename(filename, resourceGroup));

    irr::u8* input;
    irr::u32 input_size;
    irr::io::IReadFile* f = d_fsys.createAndOpenFile(final_filename.c_str());

    if (!f)
    {
        String sMsg("Filename supplied for loading must be valid");
        sMsg += " [" + final_filename + "]";
        throw InvalidRequestException(sMsg);
    }

    input_size = f->getSize();
    input = new irr::u8[input_size];
    f->read(input, input_size);
    f->drop();

    output.setData(input);
    output.setSize(input_size);
}

//----------------------------------------------------------------------------//
void IrrlichtResourceProvider::unloadRawDataContainer(RawDataContainer& data)
{
    if (data.getDataPtr())
    {
        delete[] data.getDataPtr();
        data.setData(0);
        data.setSize(0);
    }
}

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

} // End of  CEGUI namespace section
