LWGEOM* wkt_parser_curvepolygon_finalize(LWGEOM *poly, char *dimensionality)
{
uint8_t flags = wkt_dimensionality(dimensionality);
int flagdims = FLAGS_NDIMS(flags);
LWDEBUG(4,"entered");
/* Null input implies empty return */
if( ! poly )
return lwcurvepoly_as_lwgeom(lwcurvepoly_construct_empty(SRID_UNKNOWN, FLAGS_GET_Z(flags), FLAGS_GET_M(flags)));
if ( flagdims > 2 )
{
/* If the number of dimensions are not consistent, we have a problem. */
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;
}
LWGEOM *
lwgeom_construct_empty(uint8_t type, int srid, char hasz, char hasm)
{
switch(type)
{
case POINTTYPE:
return lwpoint_as_lwgeom(lwpoint_construct_empty(srid, hasz, hasm));
case LINETYPE:
return lwline_as_lwgeom(lwline_construct_empty(srid, hasz, hasm));
case POLYGONTYPE:
return lwpoly_as_lwgeom(lwpoly_construct_empty(srid, hasz, hasm));
case CURVEPOLYTYPE:
return lwcurvepoly_as_lwgeom(lwcurvepoly_construct_empty(srid, hasz, hasm));
case CIRCSTRINGTYPE:
return lwcircstring_as_lwgeom(lwcircstring_construct_empty(srid, hasz, hasm));
case TRIANGLETYPE:
return lwtriangle_as_lwgeom(lwtriangle_construct_empty(srid, hasz, hasm));
case COMPOUNDTYPE:
case MULTIPOINTTYPE:
case MULTILINETYPE:
case MULTIPOLYGONTYPE:
case COLLECTIONTYPE:
return lwcollection_as_lwgeom(lwcollection_construct_empty(type, srid, hasz, hasm));
default:
lwerror("lwgeom_construct_empty: unsupported geometry type: %s",
lwtype_name(type));
return NULL;
}
}
LWGEOM* wkt_parser_curvepolygon_new(LWGEOM *ring)
{
LWGEOM *poly;
LWDEBUG(4,"entered");
/* Toss error on null geometry input */
if( ! ring )
{
SET_PARSER_ERROR(PARSER_ERROR_OTHER);
return NULL;
}
/* Construct poly and add the ring. */
poly = lwcurvepoly_as_lwgeom(lwcurvepoly_construct_empty(SRID_UNKNOWN, FLAGS_GET_Z(ring->flags), FLAGS_GET_M(ring->flags)));
/* Return the result. */
return wkt_parser_curvepolygon_add_ring(poly,ring);
}
/**
* CURVEPOLYTYPE
*/
static LWCURVEPOLY* lwcurvepoly_from_wkb_state(wkb_parse_state *s)
{
uint32_t ngeoms = integer_from_wkb_state(s);
LWCURVEPOLY *cp = lwcurvepoly_construct_empty(s->srid, s->has_z, s->has_m);
LWGEOM *geom = NULL;
int i;
/* Empty collection? */
if ( ngeoms == 0 )
return cp;
for ( i = 0; i < ngeoms; i++ )
{
geom = lwgeom_from_wkb_state(s);
if ( lwcurvepoly_add_ring(cp, geom) == LW_FAILURE )
lwerror("Unable to add geometry (%p) to curvepoly (%p)", geom, cp);
}
return cp;
}