parse_geojson_geometrycollection()

static LWGEOM* parse_geojson_geometrycollection ( json_object *  geojson, int *  hasz, int  root_srid  )

static

Definition at line 453 of file lwin_geojson.c.

References COLLECTIONTYPE, findMemberByName(), geojson_lwerror(), lwcollection_add_lwgeom(), lwcollection_construct_empty(), and parse_geojson().

Referenced by parse_geojson().

{
        LWGEOM *geom = NULL;
        int i;
        json_object* poObjGeoms = NULL;

        if (!root_srid)
        {
                geom = (LWGEOM *)lwcollection_construct_empty(COLLECTIONTYPE, root_srid, 1, 0);
        }
        else
        {
                geom = (LWGEOM *)lwcollection_construct_empty(COLLECTIONTYPE, -1, 1, 0);
        }

        poObjGeoms = findMemberByName( geojson, "geometries" );
        if ( ! poObjGeoms )
        {
                geojson_lwerror("Unable to find 'geometries' in GeoJSON string", 4);
                return NULL;
        }

        if( json_type_array == json_object_get_type( poObjGeoms ) )
        {
                const int nGeoms = json_object_array_length( poObjGeoms );
                json_object* poObjGeom = NULL;
                for(i = 0; i < nGeoms; ++i )
                {
                        poObjGeom = json_object_array_get_idx( poObjGeoms, i );
                        geom = (LWGEOM*)lwcollection_add_lwgeom((LWCOLLECTION *)geom,
                                                                parse_geojson(poObjGeom, hasz, root_srid));
                }
        }

        return geom;
}

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