/******************************************************************************
 * $Id$
 *
 * Project:  OpenGIS Simple Features Reference Implementation
 * Author:   Even Rouault, <even dot rouault at spatialys.com>
 * Purpose:  OSM XML and OSM PBF parser
 *
 ******************************************************************************
 * Copyright (c) 2012, Even Rouault <even dot rouault at spatialys.com>
 *
 * 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 OSM_PARSER_H_INCLUDED
#define OSM_PARSER_H_INCLUDED

#include "cpl_port.h"
/* typedef long long GIntBig; */

CPL_C_START

typedef struct
{
    const char *pszK;
    const char *pszV;
} OSMTag;

typedef struct
{
    union
    {
        GIntBig nTimeStamp;
        const char *pszTimeStamp;
    } ts;

    GIntBig nChangeset;
    int nVersion;
    int nUID;
    int bTimeStampIsStr;
    const char *pszUserSID;
} OSMInfo;

typedef struct
{
    GIntBig nID;
    double dfLat;
    double dfLon;
    OSMInfo sInfo;
    unsigned int nTags;
    OSMTag *pasTags;
} OSMNode;

typedef struct
{
    GIntBig nID;
    OSMInfo sInfo;
    unsigned int nTags;
    unsigned int nRefs;
    OSMTag *pasTags;
    GIntBig *panNodeRefs;
} OSMWay;

typedef enum
{
    MEMBER_NODE = 0,
    MEMBER_WAY = 1,
    MEMBER_RELATION = 2
} OSMMemberType;

typedef struct
{
    GIntBig nID;
    const char *pszRole;
    OSMMemberType eType;
} OSMMember;

typedef struct
{
    GIntBig nID;
    OSMInfo sInfo;
    unsigned int nTags;
    unsigned int nMembers;
    OSMTag *pasTags;
    OSMMember *pasMembers;
} OSMRelation;

typedef enum
{
    OSM_OK,
    OSM_EOF,
    OSM_ERROR
} OSMRetCode;

typedef struct _OSMContext OSMContext;

typedef void (*NotifyNodesFunc)(unsigned int nNodes, OSMNode *pasNodes,
                                OSMContext *psOSMContext, void *user_data);
typedef void (*NotifyWayFunc)(OSMWay *psWay, OSMContext *psOSMContext,
                              void *user_data);
typedef void (*NotifyRelationFunc)(OSMRelation *psRelation,
                                   OSMContext *psOSMContext, void *user_data);
typedef void (*NotifyBoundsFunc)(double dfXMin, double dfYMin, double dfXMax,
                                 double dfYMax, OSMContext *psOSMContext,
                                 void *user_data);

OSMContext *OSM_Open(const char *pszFilename, NotifyNodesFunc pfnNotifyNodes,
                     NotifyWayFunc pfnNotifyWay,
                     NotifyRelationFunc pfnNotifyRelation,
                     NotifyBoundsFunc pfnNotifyBounds, void *user_data);

GUIntBig OSM_GetBytesRead(OSMContext *psOSMContext);

void OSM_ResetReading(OSMContext *psOSMContext);

OSMRetCode OSM_ProcessBlock(OSMContext *psOSMContext);

void OSM_Close(OSMContext *psOSMContext);

CPL_C_END

#endif /*  OSM_PARSER_H_INCLUDED */