/******************************************************************************
 *
 * Project:  WFS Translator
 * Purpose:  Implements OGRWFSDriver.
 * Author:   Even Rouault, even dot rouault at mines dash paris dot org
 *
 ******************************************************************************
 * Copyright (c) 2010, Even Rouault <even dot rouault at mines-paris dot org>
 *
 * 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 OR COPYRIGHT HOLDERS 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 "ogr_wfs.h"
#include "cpl_conv.h"

// g++ -fPIC -g -Wall ogr/ogrsf_frmts/wfs/*.cpp -shared -o ogr_WFS.so -Iport -Igcore -Iogr -Iogr/ogrsf_frmts -Iogr/ogrsf_frmts/gml -Iogr/ogrsf_frmts/wfs -L. -lgdal

CPL_CVSID("$Id: ogrwfsdriver.cpp 7e07230bbff24eb333608de4dbd460b7312839d0 2017-12-11 19:08:47Z Even Rouault $")

extern "C" void RegisterOGRWFS();

/************************************************************************/
/*                             Identify()                               */
/************************************************************************/

static int OGRWFSDriverIdentify( GDALOpenInfo* poOpenInfo )

{
    if( !STARTS_WITH_CI(poOpenInfo->pszFilename, "WFS:") )
    {
        if( poOpenInfo->fpL == nullptr )
            return FALSE;
        if( !STARTS_WITH_CI((const char*)poOpenInfo->pabyHeader, "<OGRWFSDataSource>") &&
            strstr((const char*)poOpenInfo->pabyHeader,"<WFS_Capabilities") == nullptr &&
            strstr((const char*)poOpenInfo->pabyHeader,"<wfs:WFS_Capabilities") == nullptr)
        {
            return FALSE;
        }
    }
    return TRUE;
}

/************************************************************************/
/*                                Open()                                */
/************************************************************************/

static GDALDataset *OGRWFSDriverOpen( GDALOpenInfo* poOpenInfo )

{
    if( !OGRWFSDriverIdentify(poOpenInfo) )
        return nullptr;

    OGRWFSDataSource   *poDS = new OGRWFSDataSource();

    if( !poDS->Open( poOpenInfo->pszFilename,
                     poOpenInfo->eAccess == GA_Update,
                     poOpenInfo->papszOpenOptions ) )
    {
        delete poDS;
        poDS = nullptr;
    }

    return poDS;
}

/************************************************************************/
/*                           RegisterOGRWFS()                           */
/************************************************************************/

void RegisterOGRWFS()

{
    if( GDALGetDriverByName( "WFS" ) != nullptr )
        return;

    GDALDriver *poDriver = new GDALDriver();

    poDriver->SetDescription( "WFS" );
    poDriver->SetMetadataItem( GDAL_DCAP_VECTOR, "YES" );
    poDriver->SetMetadataItem( GDAL_DMD_LONGNAME,
                               "OGC WFS (Web Feature Service)" );
    poDriver->SetMetadataItem( GDAL_DMD_HELPTOPIC, "drv_wfs.html" );

    poDriver->SetMetadataItem( GDAL_DMD_CONNECTION_PREFIX, "WFS:" );

    poDriver->SetMetadataItem( GDAL_DMD_OPENOPTIONLIST,
"<OpenOptionList>"
"  <Option name='URL' type='string' description='URL to the WFS server endpoint' required='true'/>"
"  <Option name='TRUST_CAPABILITIES_BOUNDS' type='boolean' description='Whether to trust layer bounds declared in GetCapabilities response' default='NO'/>"
"  <Option name='EMPTY_AS_NULL' type='boolean' description='Force empty fields to be reported as NULL. Set to NO so that not-nullable fields can be exposed' default='YES'/>"
"  <Option name='INVERT_AXIS_ORDER_IF_LAT_LONG' type='boolean' description='Whether to present SRS and coordinate ordering in traditional GIS order' default='YES'/>"
"  <Option name='CONSIDER_EPSG_AS_URN' type='string-select' description='Whether to consider srsName like EPSG:XXXX as respecting EPSG axis order' default='AUTO'>"
"    <Value>AUTO</Value>"
"    <Value>YES</Value>"
"    <Value>NO</Value>"
"  </Option>"
"  <Option name='EXPOSE_GML_ID' type='boolean' description='Whether to make feature gml:id as a gml_id attribute.' default='YES'/>"
"</OpenOptionList>" );

    poDriver->SetMetadataItem( GDAL_DCAP_VIRTUALIO, "YES" );

    poDriver->pfnIdentify = OGRWFSDriverIdentify;
    poDriver->pfnOpen = OGRWFSDriverOpen;

    GetGDALDriverManager()->RegisterDriver( poDriver );
}