lwcurvepoly_from_wkb_state()

static LWCURVEPOLY * lwcurvepoly_from_wkb_state ( wkb_parse_state *  s )

static

CURVEPOLYTYPE.

Definition at line 648 of file lwin_wkb.c.

{
        uint32_t ngeoms = integer_from_wkb_state(s);
        if (s->error)
                return NULL;
        LWCURVEPOLY *cp = lwcurvepoly_construct_empty(s->srid, s->has_z, s->has_m);
        LWGEOM *geom = NULL;
        uint32_t i;
 
        /* Empty collection? */
        if ( ngeoms == 0 )
                return cp;
 
        s->depth++;
        if (s->depth >= LW_PARSER_MAX_DEPTH)
        {
                lwgeom_free((LWGEOM *)cp);
                lwerror("Geometry has too many chained curves");
                return NULL;
        }
        for ( i = 0; i < ngeoms; i++ )
        {
                geom = lwgeom_from_wkb_state(s);
                if ( lwcurvepoly_add_ring(cp, geom) == LW_FAILURE )
                {
                        lwgeom_free(geom);
                        lwgeom_free((LWGEOM *)cp);
                        lwerror("Unable to add geometry (%p) to curvepoly (%p)", (void *) geom, (void *) cp);
                        return NULL;
                }
        }
        s->depth--;
 
        return cp;
}

References integer_from_wkb_state(), LW_FAILURE, LW_PARSER_MAX_DEPTH, lwcurvepoly_add_ring(), lwcurvepoly_construct_empty(), lwerror(), lwgeom_free(), lwgeom_from_wkb_state(), and s.

Referenced by lwgeom_from_wkb_state().

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