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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) 2010-2015 Paul Ramsey <pramsey@cleverelephant.ca>
* Copyright (C) 2011 Sandro Santilli <strk@kbt.io>
*
**********************************************************************/
#include "liblwgeom_internal.h"
/*
* Coordinate object to hold information about last coordinate temporarily.
* We need to know how many dimensions there are at any given time.
*/
typedef struct
{
lwflags_t flags;
double x;
double y;
double z;
double m;
}
POINT;
/*
* Global that holds the final output geometry for the WKT parser.
*/
extern LWGEOM_PARSER_RESULT global_parser_result;
extern const char *parser_error_messages[];
/*
* Prototypes for the lexer
*/
extern void wkt_lexer_init(char *str);
extern void wkt_lexer_close(void);
extern int wkt_yylex_destroy(void);
/*
* Functions called from within the bison parser to construct geometries.
*/
int32_t wkt_lexer_read_srid(char *str);
POINT wkt_parser_coord_2(double c1, double c2);
POINT wkt_parser_coord_3(double c1, double c2, double c3);
POINT wkt_parser_coord_4(double c1, double c2, double c3, double c4);
POINTARRAY* wkt_parser_ptarray_add_coord(POINTARRAY *pa, POINT p);
POINTARRAY* wkt_parser_ptarray_new(POINT p);
LWGEOM* wkt_parser_point_new(POINTARRAY *pa, char *dimensionality);
LWGEOM* wkt_parser_linestring_new(POINTARRAY *pa, char *dimensionality);
LWGEOM* wkt_parser_circularstring_new(POINTARRAY *pa, char *dimensionality);
LWGEOM* wkt_parser_triangle_new(POINTARRAY *pa, char *dimensionality);
LWGEOM* wkt_parser_polygon_new(POINTARRAY *pa, char dimcheck);
LWGEOM* wkt_parser_polygon_add_ring(LWGEOM *poly, POINTARRAY *pa, char dimcheck);
LWGEOM* wkt_parser_polygon_finalize(LWGEOM *poly, char *dimensionality);
LWGEOM* wkt_parser_curvepolygon_new(LWGEOM *ring);
LWGEOM* wkt_parser_curvepolygon_add_ring(LWGEOM *poly, LWGEOM *ring);
LWGEOM* wkt_parser_curvepolygon_finalize(LWGEOM *poly, char *dimensionality);
LWGEOM* wkt_parser_compound_new(LWGEOM *element);
LWGEOM* wkt_parser_compound_add_geom(LWGEOM *col, LWGEOM *geom);
LWGEOM* wkt_parser_compound_finalize(LWGEOM *col, char *dimensionality);
LWGEOM* wkt_parser_collection_new(LWGEOM *geom);
LWGEOM* wkt_parser_collection_add_geom(LWGEOM *col, LWGEOM *geom);
LWGEOM* wkt_parser_collection_finalize(int lwtype, LWGEOM *col, char *dimensionality);
void wkt_parser_geometry_new(LWGEOM *geom, int32_t srid);
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