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/**********************************************************************
*
* PostGIS - Spatial Types for PostgreSQL
* http://postgis.net
*
* PostGIS is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 2 of the License, or
* (at your option) any later version.
*
* PostGIS is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with PostGIS. If not, see <http://www.gnu.org/licenses/>.
*
**********************************************************************
*
* Copyright (C) 2015 Sandro Santilli <strk@kbt.io>
*
**********************************************************************/
#ifndef LIBLWGEOM_TOPO_INTERNAL_H
#define LIBLWGEOM_TOPO_INTERNAL_H 1
#include "../postgis_config.h"
#include "liblwgeom.h"
#include "liblwgeom_topo.h"
/************************************************************************
*
* Generic SQL handler
*
************************************************************************/
struct LWT_BE_IFACE_T
{
const LWT_BE_DATA *data;
const LWT_BE_CALLBACKS *cb;
};
const char* lwt_be_lastErrorMessage(const LWT_BE_IFACE* be);
LWT_BE_TOPOLOGY * lwt_be_loadTopologyByName(LWT_BE_IFACE *be, const char *name);
int lwt_be_freeTopology(LWT_TOPOLOGY *topo);
LWT_ISO_NODE *lwt_be_getNodeWithinDistance2D(LWT_TOPOLOGY *topo,
LWPOINT *pt,
double dist,
uint64_t *numelems,
int fields,
int64_t limit);
LWT_ISO_NODE *lwt_be_getNodeById(LWT_TOPOLOGY *topo, const LWT_ELEMID *ids, uint64_t *numelems, int fields);
int lwt_be_ExistsCoincidentNode(LWT_TOPOLOGY* topo, LWPOINT* pt);
int lwt_be_insertNodes(LWT_TOPOLOGY *topo, LWT_ISO_NODE *node, uint64_t numelems);
int lwt_be_ExistsEdgeIntersectingPoint(LWT_TOPOLOGY* topo, LWPOINT* pt);
LWT_ELEMID lwt_be_getNextEdgeId(LWT_TOPOLOGY* topo);
LWT_ISO_EDGE *lwt_be_getEdgeById(LWT_TOPOLOGY *topo, const LWT_ELEMID *ids, uint64_t *numelems, int fields);
LWT_ISO_EDGE *lwt_be_getEdgeWithinDistance2D(LWT_TOPOLOGY *topo,
const LWPOINT *pt,
double dist,
uint64_t *numelems,
int fields,
int64_t limit);
int lwt_be_insertEdges(LWT_TOPOLOGY *topo, LWT_ISO_EDGE *edge, uint64_t numelems);
int
lwt_be_updateEdges(LWT_TOPOLOGY* topo, const LWT_ISO_EDGE* sel_edge, int sel_fields, const LWT_ISO_EDGE* upd_edge, int upd_fields, const LWT_ISO_EDGE* exc_edge, int exc_fields);
int
lwt_be_deleteEdges(LWT_TOPOLOGY* topo, const LWT_ISO_EDGE* sel_edge, int sel_fields);
int lwt_be_updateTopoGeomEdgeSplit(LWT_TOPOLOGY* topo, LWT_ELEMID split_edge, LWT_ELEMID new_edge1, LWT_ELEMID new_edge2);
/************************************************************************
*
* Internal objects
*
************************************************************************/
struct LWT_TOPOLOGY_T
{
const LWT_BE_IFACE *be_iface;
LWT_BE_TOPOLOGY *be_topo;
int32_t srid;
double precision;
int hasZ;
};
#endif /* LIBLWGEOM_TOPO_INTERNAL_H */
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