/******************************************************************************

 *

 * Project:  OpenGIS Simple Features Reference Implementation

 * Purpose:  Implements OGRVFKDriver class.

 * Author:   Martin Landa, landa.martin gmail.com

 *

 ******************************************************************************

 * Copyright (c) 2009-2018, Martin Landa <landa.martin gmail.com>

 *

 * SPDX-License-Identifier: MIT

 ****************************************************************************/

#include "ogr_vfk.h"

#include "cpl_conv.h"

#include "cpl_string.h"

#include "ogrvfkdrivercore.h"

/*

  \brief Open existing data source

  \return NULL on failure

*/

static GDALDataset *OGRVFKDriverOpen(GDALOpenInfo *poOpenInfo)

{

    if (poOpenInfo->eAccess == GA_Update || !OGRVFKDriverIdentify(poOpenInfo))

        return nullptr;

    OGRVFKDataSource *poDS = new OGRVFKDataSource();

    if (!poDS->Open(poOpenInfo) || poDS->GetLayerCount() == 0)

    {

        delete poDS;

        return nullptr;

    }

    else

        return poDS;

}

/*!

  \brief Register VFK driver

*/

void RegisterOGRVFK()

{

    if (!GDAL_CHECK_VERSION("OGR/VFK driver"))

        return;

    if (GDALGetDriverByName(DRIVER_NAME) != nullptr)

        return;

    GDALDriver *poDriver = new GDALDriver();

    OGRVFKDriverSetCommonMetadata(poDriver);

    poDriver->pfnOpen = OGRVFKDriverOpen;

    GetGDALDriverManager()->RegisterDriver(poDriver);

}