68bf103a73
Closes #4438 git-svn-id: http://svn.osgeo.org/postgis/trunk@17560 b70326c6-7e19-0410-871a-916f4a2858ee
81 lines
3.1 KiB
C
81 lines
3.1 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) 2010-2015 Paul Ramsey <pramsey@cleverelephant.ca>
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* Copyright (C) 2011 Sandro Santilli <strk@kbt.io>
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*
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**********************************************************************/
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#include "liblwgeom_internal.h"
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/*
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* Coordinate object to hold information about last coordinate temporarily.
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* We need to know how many dimensions there are at any given time.
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*/
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typedef struct
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{
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lwflags_t flags;
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double x;
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double y;
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double z;
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double m;
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}
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POINT;
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/*
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* Global that holds the final output geometry for the WKT parser.
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*/
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extern LWGEOM_PARSER_RESULT global_parser_result;
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extern const char *parser_error_messages[];
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/*
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* Prototypes for the lexer
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*/
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extern void wkt_lexer_init(char *str);
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extern void wkt_lexer_close(void);
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extern int wkt_yylex_destroy(void);
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/*
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* Functions called from within the bison parser to construct geometries.
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*/
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int32_t wkt_lexer_read_srid(char *str);
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POINT wkt_parser_coord_2(double c1, double c2);
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POINT wkt_parser_coord_3(double c1, double c2, double c3);
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POINT wkt_parser_coord_4(double c1, double c2, double c3, double c4);
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POINTARRAY* wkt_parser_ptarray_add_coord(POINTARRAY *pa, POINT p);
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POINTARRAY* wkt_parser_ptarray_new(POINT p);
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LWGEOM* wkt_parser_point_new(POINTARRAY *pa, char *dimensionality);
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LWGEOM* wkt_parser_linestring_new(POINTARRAY *pa, char *dimensionality);
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LWGEOM* wkt_parser_circularstring_new(POINTARRAY *pa, char *dimensionality);
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LWGEOM* wkt_parser_triangle_new(POINTARRAY *pa, char *dimensionality);
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LWGEOM* wkt_parser_polygon_new(POINTARRAY *pa, char dimcheck);
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LWGEOM* wkt_parser_polygon_add_ring(LWGEOM *poly, POINTARRAY *pa, char dimcheck);
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LWGEOM* wkt_parser_polygon_finalize(LWGEOM *poly, char *dimensionality);
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LWGEOM* wkt_parser_curvepolygon_new(LWGEOM *ring);
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LWGEOM* wkt_parser_curvepolygon_add_ring(LWGEOM *poly, LWGEOM *ring);
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LWGEOM* wkt_parser_curvepolygon_finalize(LWGEOM *poly, char *dimensionality);
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LWGEOM* wkt_parser_compound_new(LWGEOM *element);
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LWGEOM* wkt_parser_compound_add_geom(LWGEOM *col, LWGEOM *geom);
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LWGEOM* wkt_parser_collection_new(LWGEOM *geom);
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LWGEOM* wkt_parser_collection_add_geom(LWGEOM *col, LWGEOM *geom);
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LWGEOM* wkt_parser_collection_finalize(int lwtype, LWGEOM *col, char *dimensionality);
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void wkt_parser_geometry_new(LWGEOM *geom, int32_t srid);
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