/******************************************************************************
 * $Id$
 *
 * Project:  OpenGIS Simple Features Reference Implementation
 * Purpose:  Private utilities within OGR OGRGeoJSON Driver.
 * Author:   Mateusz Loskot, mateusz@loskot.net
 *
 ******************************************************************************
 * Copyright (c) 2007, Mateusz Loskot
 *
 * 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.
 ****************************************************************************/
#ifndef OGR_GEOJSONUTILS_H_INCLUDED
#define OGR_GEOJSONUTILS_H_INCLUDED

#include <ogr_core.h>
#include <jsonc/json.h> // JSON-C

class OGRGeometry;

/************************************************************************/
/*                           mloskot_deleter functor                    */
/************************************************************************/

template <typename T>
struct mloskot_deleter
{
    void operator()(T*& ptr)
    {
        delete ptr;
        ptr = 0;
    }
};

/************************************************************************/
/*                           GeoJSONSourceType                          */
/************************************************************************/

enum GeoJSONSourceType
{
    eGeoJSONSourceUnknown = 0,
    eGeoJSONSourceFile,
    eGeoJSONSourceText,
    eGeoJSONSourceService
};

GeoJSONSourceType GeoJSONGetSourceType( const char* pszSource );

/************************************************************************/
/*                           GeoJSONProtocolType                        */
/************************************************************************/

enum GeoJSONProtocolType
{
    eGeoJSONProtocolUnknown = 0,
    eGeoJSONProtocolHTTP,
    eGeoJSONProtocolHTTPS,
    eGeoJSONProtocolFTP,
};

GeoJSONProtocolType GeoJSONGetProtocolType( const char* pszSource );

/************************************************************************/
/*                           GeoJSONIsObject                            */
/************************************************************************/

int GeoJSONIsObject( const char* pszText );

/************************************************************************/
/*                           GeoJSONPropertyToFieldType                 */
/************************************************************************/

OGRFieldType GeoJSONPropertyToFieldType( json_object* poObject );

/************************************************************************/
/*                           OGRGeoJSONGetGeometryName                  */
/************************************************************************/

const char* OGRGeoJSONGetGeometryName( OGRGeometry const* poGeometry );

#endif /* OGR_GEOJSONUTILS_H_INCLUDED */
