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