wkt_parser_polygon_finalize()

LWGEOM* wkt_parser_polygon_finalize	(	LWGEOM *	poly,
		char *	dimensionality
	)

Definition at line 535 of file lwin_wkt.c.

References LWGEOM::flags, FLAGS_GET_M, FLAGS_GET_Z, FLAGS_NDIMS, LW_FAILURE, LWDEBUG, lwgeom_free(), lwpoly_as_lwgeom(), lwpoly_construct_empty(), PARSER_ERROR_MIXDIMS, PARSER_ERROR_OTHER, SET_PARSER_ERROR, SRID_UNKNOWN, wkt_dimensionality(), and wkt_parser_set_dims().

Referenced by yyparse().

{
        uint8_t flags = wkt_dimensionality(dimensionality);
        int flagdims = FLAGS_NDIMS(flags);
        LWDEBUG(4,"entered");

        /* Null input implies empty return */
        if( ! poly )
                return lwpoly_as_lwgeom(lwpoly_construct_empty(SRID_UNKNOWN, FLAGS_GET_Z(flags), FLAGS_GET_M(flags)));

        /* If the number of dimensions are not consistent, we have a problem. */
        if( flagdims > 2 )
        {
                if ( flagdims != FLAGS_NDIMS(poly->flags) )
                {
                        lwgeom_free(poly);
                        SET_PARSER_ERROR(PARSER_ERROR_MIXDIMS);
                        return NULL;
                }

                /* Harmonize the flags in the sub-components with the wkt flags */
                if( LW_FAILURE == wkt_parser_set_dims(poly, flags) )
                {
                        lwgeom_free(poly);
                        SET_PARSER_ERROR(PARSER_ERROR_OTHER);
                        return NULL;
                }
        }

        return poly;
}

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