/******************************************************************************
 * $Id$
 *
 * 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>
 *
 * SPDX-License-Identifier: MIT
 ****************************************************************************/

#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 */