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/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* Copyright by the Board of Trustees of the University of Illinois. *
* All rights reserved. *
* *
* This file is part of HDF5. The full HDF5 copyright notice, including *
* terms governing use, modification, and redistribution, is contained in *
* the files COPYING and Copyright.html. COPYING can be found at the root *
* of the source code distribution tree; Copyright.html can be found at the *
* root level of an installed copy of the electronic HDF5 document set and *
* is linked from the top-level documents page. It can also be found at *
* http://hdf.ncsa.uiuc.edu/HDF5/doc/Copyright.html. If you do not have *
* access to either file, you may request a copy from hdfhelp@ncsa.uiuc.edu. *
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
/*-------------------------------------------------------------------------
*
* Created: H5Gpublic.h
* Jul 11 1997
* Robb Matzke <matzke@llnl.gov>
*
* Purpose: Public declarations for the H5G package (symbol
* tables).
*
*-------------------------------------------------------------------------
*/
#ifndef _H5Gpublic_H
#define _H5Gpublic_H
/* Public headers needed by this file */
#include <sys/types.h>
#include "H5public.h"
#include "H5Ipublic.h"
#include "H5Lpublic.h"
#include "H5Opublic.h"
#include "H5Tpublic.h"
#ifdef __cplusplus
extern "C" {
#endif
/*
* An object has a certain type. The first few numbers are reserved for use
* internally by HDF5. Users may add their own types with higher values. The
* values are never stored in the file -- they only exist while an
* application is running. An object may satisfy the `isa' function for more
* than one type.
*/
typedef enum H5G_obj_t {
H5G_UNKNOWN = -1, /* Unknown object type */
H5G_GROUP, /* Object is a group */
H5G_DATASET, /* Object is a dataset */
H5G_TYPE, /* Object is a named data type */
H5G_LINK, /* Object is a symbolic link */
H5G_UDLINK, /* Object is a user-defined link */
H5G_RESERVED_5, /* Reserved for future use */
H5G_RESERVED_6, /* Reserved for future use */
H5G_RESERVED_7 /* Reserved for future use */
} H5G_obj_t;
#define H5G_NTYPES 256 /* Max possible number of types */
#define H5G_NLIBTYPES 8 /* Number of internal types */
#define H5G_NUSERTYPES (H5G_NTYPES-H5G_NLIBTYPES)
#define H5G_USERTYPE(X) (8+(X)) /* User defined types */
/* Information about an object */
typedef struct H5G_stat_t {
unsigned long fileno[2]; /*file number */
unsigned long objno[2]; /*object number */
unsigned nlink; /*number of hard links to object*/
H5G_obj_t type; /*basic object type */
time_t mtime; /*modification time */
size_t linklen; /*symbolic link value length */
H5O_stat_t ohdr; /* Object header information */
} H5G_stat_t;
typedef herr_t (*H5G_iterate_t)(hid_t group, const char *name,
void *op_data);
/* Flags for object copy (H5Gcopy) */
#define H5G_COPY_SHALLOW_HIERARCHY_FLAG (0x0002u) /* Copy only immediate members */
#define H5G_COPY_EXPAND_SOFT_LINK_FLAG (0x0004u) /* Expand soft links into new objects */
#define H5G_COPY_EXPAND_EXT_LINK_FLAG (0x0008u) /* Expand external links into new objects */
#define H5G_COPY_EXPAND_REFERENCE_FLAG (0x0010u) /* Copy objects that are pointed by references */
#define H5G_COPY_WITHOUT_ATTR_FLAG (0x0020u) /* Copy object without copying attributes */
#define H5G_COPY_ALL (0x003Fu) /* All object copying flags (for internal checking) */
H5_DLL hid_t H5Gcreate(hid_t loc_id, const char *name, size_t size_hint);
H5_DLL hid_t H5Gopen(hid_t loc_id, const char *name);
H5_DLL hid_t H5Gopen_expand(hid_t loc_id, const char *name, hid_t gapl_id);
H5_DLL herr_t H5Gclose(hid_t group_id);
H5_DLL herr_t H5Giterate(hid_t loc_id, const char *name, int *idx,
H5G_iterate_t op, void *op_data);
H5_DLL herr_t H5Gget_num_objs(hid_t loc_id, hsize_t *num_objs);
H5_DLL ssize_t H5Gget_objname_by_idx(hid_t loc_id, hsize_t idx, char* name, size_t size);
H5_DLL H5G_obj_t H5Gget_objtype_by_idx(hid_t loc_id, hsize_t idx);
H5_DLL herr_t H5Gget_objinfo(hid_t loc_id, const char *name,
hbool_t follow_link, H5G_stat_t *statbuf/*out*/);
H5_DLL herr_t H5Gset_comment(hid_t loc_id, const char *name,
const char *comment);
H5_DLL int H5Gget_comment(hid_t loc_id, const char *name, size_t bufsize,
char *buf);
H5_DLL hid_t H5Gcreate_expand(hid_t loc_id, hid_t gcpl_id,
hid_t gapl_id);
H5_DLL hid_t H5Gget_create_plist(hid_t group_id);
H5_DLL herr_t H5Gcopy(hid_t src_loc_id, const char *src_name, hid_t dst_loc_id,
const char *dst_name, hid_t ocpypl_id, hid_t lcpl_id);
/* Functions and variables defined for compatibility with previous versions
* of the HDF5 API.
* Use of these functions and variables is depreciated.
*/
H5_DLL herr_t H5Glink(hid_t cur_loc_id, H5L_type_t type,
const char *cur_name, const char *new_name);
H5_DLL herr_t H5Gmove(hid_t src_loc_id, const char *src_name,
const char *dst_name);
H5_DLL herr_t H5Glink2(hid_t cur_loc_id, const char *cur_name,
H5L_type_t type, hid_t new_loc_id, const char *new_name);
H5_DLL herr_t H5Gmove2(hid_t src_loc_id, const char *src_name,
hid_t dst_loc_id, const char *dst_name);
H5_DLL herr_t H5Gunlink(hid_t loc_id, const char *name);
H5_DLL herr_t H5Gget_linkval(hid_t loc_id, const char *name,
size_t size, char *buf/*out*/);
#define H5G_LINK_ERROR H5L_TYPE_ERROR
#define H5G_LINK_HARD H5L_TYPE_HARD
#define H5G_LINK_SOFT H5L_TYPE_SOFT
#define H5G_link_t H5L_type_t
#define H5G_SAME_LOC H5L_SAME_LOC
#ifdef __cplusplus
}
#endif
#endif
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