lwcollection_from_wkb_state()

static LWCOLLECTION* lwcollection_from_wkb_state ( wkb_parse_state *  s )

static

POLYHEDRALSURFACETYPE.

COLLECTION, MULTIPOINTTYPE, MULTILINETYPE, MULTIPOLYGONTYPE, COMPOUNDTYPE, MULTICURVETYPE, MULTISURFACETYPE, TINTYPE

Definition at line 636 of file lwin_wkb.c.

References wkb_parse_state::check, wkb_parse_state::has_m, wkb_parse_state::has_z, integer_from_wkb_state(), LW_PARSER_CHECK_ZCLOSURE, lwcollection_add_lwgeom(), lwcollection_construct_empty(), LWDEBUGF, lwerror(), lwgeom_free(), lwgeom_from_wkb_state(), wkb_parse_state::lwtype, POLYHEDRALSURFACETYPE, and wkb_parse_state::srid.

Referenced by lwgeom_from_wkb_state().

{
        uint32_t ngeoms = integer_from_wkb_state(s);
        LWCOLLECTION *col = lwcollection_construct_empty(s->lwtype, s->srid, s->has_z, s->has_m);
        LWGEOM *geom = NULL;
        int i;

        LWDEBUGF(4,"Collection has %d components", ngeoms);

        /* Empty collection? */
        if ( ngeoms == 0 )
                return col;

        /* Be strict in polyhedral surface closures */
        if ( s->lwtype == POLYHEDRALSURFACETYPE )
                s->check |= LW_PARSER_CHECK_ZCLOSURE;

        for ( i = 0; i < ngeoms; i++ )
        {
                geom = lwgeom_from_wkb_state(s);
                if ( lwcollection_add_lwgeom(col, geom) == NULL )
                {
                        lwgeom_free(geom);
                        lwgeom_free((LWGEOM *)col);
                        lwerror("Unable to add geometry (%p) to collection (%p)", geom, col);
                        return NULL;
                }
        }

        return col;
}

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