/****************************************************************************
 * NCSA HDF                                                                 *
 * Software Development Group                                               *
 * National Center for Supercomputing Applications                          *
 * University of Illinois at Urbana-Champaign                               *
 * 605 E. Springfield, Champaign IL 61820                                   *
 *                                                                          *
 * For conditions of distribution and use, see the accompanying             *
 * hdf/COPYING file.                                                        *
 *                                                                          *
 ****************************************************************************/

/* $Id$ */

/*
 * This file contains private information about the H5P module
 */

#ifndef _H5Pprivate_H
#define _H5Pprivate_H
#include <H5Ppublic.h>

/* Private headers needed by this file */
#include <H5private.h>
#include <H5Gprivate.h>		/*for H5G_entry_t */

/* Flags to indicate special dataspace features are active */
#define H5P_VALID_MAX   0x01
#define H5P_VALID_PERM  0x02

typedef struct H5P_simple_t {
   intn		rank;		/*number of dimensions			*/
   intn		dim_flags;    	/*dimension flags			*/
   size_t	*size;        	/*dimension sizes			*/
   size_t	*max;         	/*maximum dimension sizes		*/
   intn		*perm;        	/*dimension permutations		*/
} H5P_simple_t;

typedef struct {
   H5P_class_t	type;		/*type of dimensionality object 	*/
   union {
      H5P_simple_t simple;/*simple dimensionality information	*/
   } u;
} H5P_t;

#define H5P_RESERVED_ATOMS  2

H5P_t *H5P_copy (const H5P_t *src);
herr_t H5P_close (H5P_t *ds);
size_t H5P_get_npoints (const H5P_t *ds);
intn H5P_get_ndims (const H5P_t *ds);
intn H5P_get_dims (const H5P_t *ds, size_t dims[]/*out*/);
herr_t H5P_modify (H5F_t *f, H5G_entry_t *ent, const H5P_t *space);
H5P_t *H5P_read (H5F_t *f, H5G_entry_t *ent);
intn H5P_cmp (const H5P_t *ds1, const H5P_t *ds2);

hbool_t H5P_is_simple (const H5P_t *sdim);
uintn H5P_nelem (const H5P_t *space);

#endif