static LWGEOM* parse_geojson_multipolygon(json_object *geojson, bool *hasz, int *root_srid) { LWGEOM *geom = NULL; int i, j, k; json_object* poObjPolys = NULL; if (!*root_srid) { geom = (LWGEOM *)lwcollection_construct_empty(MULTIPOLYGONTYPE, *root_srid, 1, 0); } else { geom = (LWGEOM *)lwcollection_construct_empty(MULTIPOLYGONTYPE, -1, 1, 0); } poObjPolys = findMemberByName( geojson, "coordinates" ); if ( ! poObjPolys ) geojson_lwerror("Unable to find 'coordinates' in GeoJSON string", 4); if( json_type_array == json_object_get_type( poObjPolys ) ) { const int nPolys = json_object_array_length( poObjPolys ); for(i = 0; i < nPolys; ++i) { POINTARRAY **ppa; json_object* poObjPoly = NULL; poObjPoly = json_object_array_get_idx( poObjPolys, i ); ppa = (POINTARRAY**) lwalloc(sizeof(POINTARRAY*)); if( json_type_array == json_object_get_type( poObjPoly ) ) { int nPoints; json_object* points = NULL; int ring = json_object_array_length( poObjPoly ); ppa[0] = ptarray_construct_empty(1, 0, 1); points = json_object_array_get_idx( poObjPoly, 0 ); nPoints = json_object_array_length( points ); for (j=0; j < nPoints; j++ ) { json_object* coords = NULL; coords = json_object_array_get_idx( points, j ); parse_geojson_coord(coords, hasz, ppa[0]); } for(j = 1; j < ring; ++j) { int nPoints; ppa = (POINTARRAY**) lwrealloc((POINTARRAY *) ppa, sizeof(POINTARRAY*) * (j + 1)); ppa[i] = ptarray_construct_empty(1, 0, 1); points = json_object_array_get_idx( poObjPoly, j ); nPoints = json_object_array_length( points ); for (k=0; k < nPoints; k++ ) { json_object* coords = NULL; coords = json_object_array_get_idx( points, k ); parse_geojson_coord(coords, hasz, ppa[i]); } } geom = (LWGEOM*)lwmpoly_add_lwpoly((LWMPOLY*)geom, (LWPOLY*)lwpoly_construct(*root_srid, NULL, ring, ppa)); } } } return geom; }
static LWGEOM* parse_geojson_multipolygon(json_object *geojson, int *hasz, int root_srid) { LWGEOM *geom = NULL; int i, j, k; json_object* poObjPolys = NULL; if (!root_srid) { geom = (LWGEOM *)lwcollection_construct_empty(MULTIPOLYGONTYPE, root_srid, 1, 0); } else { geom = (LWGEOM *)lwcollection_construct_empty(MULTIPOLYGONTYPE, -1, 1, 0); } poObjPolys = findMemberByName( geojson, "coordinates" ); if ( ! poObjPolys ) { geojson_lwerror("Unable to find 'coordinates' in GeoJSON string", 4); return NULL; } if( json_type_array == json_object_get_type( poObjPolys ) ) { const int nPolys = json_object_array_length( poObjPolys ); for(i = 0; i < nPolys; ++i) { json_object* poObjPoly = json_object_array_get_idx( poObjPolys, i ); if( json_type_array == json_object_get_type( poObjPoly ) ) { LWPOLY *lwpoly = lwpoly_construct_empty(geom->srid, lwgeom_has_z(geom), lwgeom_has_m(geom)); int nRings = json_object_array_length( poObjPoly ); for(j = 0; j < nRings; ++j) { json_object* points = json_object_array_get_idx( poObjPoly, j ); if( json_type_array == json_object_get_type( points ) ) { POINTARRAY *pa = ptarray_construct_empty(1, 0, 1); int nPoints = json_object_array_length( points ); for ( k=0; k < nPoints; k++ ) { json_object* coords = json_object_array_get_idx( points, k ); parse_geojson_coord(coords, hasz, pa); } lwpoly_add_ring(lwpoly, pa); } } geom = (LWGEOM*)lwmpoly_add_lwpoly((LWMPOLY*)geom, lwpoly); } } } return geom; }