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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: H5Gprivate.h
* Jul 11 1997
* Robb Matzke <matzke@llnl.gov>
*
* Purpose: Library-visible declarations.
*
*-------------------------------------------------------------------------
*/
#ifndef _H5Gprivate_H
#define _H5Gprivate_H
/* Include package's public header */
#include "H5Gpublic.h"
/* Private headers needed by this file */
#include "H5private.h" /* Generic Functions */
#include "H5Bprivate.h" /* B-trees */
#include "H5Fprivate.h" /* File access */
#include "H5RSprivate.h" /* Reference-counted strings */
/*
* Define this to enable debugging.
*/
#ifdef NDEBUG
# undef H5G_DEBUG
#endif
#define H5G_NODE_MAGIC "SNOD" /*symbol table node magic number */
#define H5G_NODE_SIZEOF_MAGIC 4 /*sizeof symbol node magic number */
/*
* The disk size for a symbol table entry...
*/
#define H5G_SIZEOF_SCRATCH 16
#define H5G_SIZEOF_ENTRY(F) \
(H5F_SIZEOF_SIZE(F) + /*offset of name into heap */ \
H5F_SIZEOF_ADDR(F) + /*address of object header */ \
4 + /*entry type */ \
4 + /*reserved */ \
H5G_SIZEOF_SCRATCH) /*scratch pad space */
/* ========= Group Creation properties ============ */
/* Defaults for link info values */
#define H5G_CRT_LINFO_INDEX_CORDER FALSE
#define H5G_CRT_LINFO_NLINKS 0
#define H5G_CRT_LINFO_MIN_CORDER 0
#define H5G_CRT_LINFO_MAX_CORDER 0
#define H5G_CRT_LINFO_LINK_FHEAP_ADDR HADDR_UNDEF
#define H5G_CRT_LINFO_NAME_BT2_ADDR HADDR_UNDEF
#define H5G_CRT_LINFO_CORDER_BT2_ADDR HADDR_UNDEF
/* Definitions for link info settings */
#define H5G_CRT_LINK_INFO_NAME "link info"
#define H5G_CRT_LINK_INFO_SIZE sizeof(H5O_linfo_t)
#define H5G_CRT_LINK_INFO_DEF {H5G_CRT_LINFO_INDEX_CORDER, \
H5G_CRT_LINFO_NLINKS, \
H5G_CRT_LINFO_MIN_CORDER, \
H5G_CRT_LINFO_MAX_CORDER, \
H5G_CRT_LINFO_LINK_FHEAP_ADDR, \
H5G_CRT_LINFO_NAME_BT2_ADDR, \
H5G_CRT_LINFO_CORDER_BT2_ADDR}
/* Defaults for group info values */
#define H5G_CRT_GINFO_LHEAP_SIZE_HINT 0
#define H5G_CRT_GINFO_TRACK_CORDER FALSE
#define H5G_CRT_GINFO_MAX_COMPACT 8
#define H5G_CRT_GINFO_MIN_DENSE 6
#define H5G_CRT_GINFO_EST_NUM_ENTRIES 4
#define H5G_CRT_GINFO_EST_NAME_LEN 8
/* Definitions for group info settings */
#define H5G_CRT_GROUP_INFO_NAME "group info"
#define H5G_CRT_GROUP_INFO_SIZE sizeof(H5O_ginfo_t)
#define H5G_CRT_GROUP_INFO_DEF {H5G_CRT_GINFO_LHEAP_SIZE_HINT, \
H5G_CRT_GINFO_TRACK_CORDER, \
H5G_CRT_GINFO_MAX_COMPACT, \
H5G_CRT_GINFO_MIN_DENSE, \
H5G_CRT_GINFO_EST_NUM_ENTRIES, \
H5G_CRT_GINFO_EST_NAME_LEN}
/* Type of operation being performed for call to H5G_name_replace() */
typedef enum {
H5G_NAME_MOVE = 0, /* H5*move call */
H5G_NAME_DELETE, /* H5Ldelete call */
H5G_NAME_MOUNT, /* H5Fmount call */
H5G_NAME_UNMOUNT /* H5Funmount call */
} H5G_names_op_t;
/* Status returned from traversal callbacks; whether the object location
* or group location need to be closed */
#define H5G_OWN_NONE 0
#define H5G_OWN_OBJ_LOC 1
#define H5G_OWN_GRP_LOC 2
#define H5G_OWN_BOTH 3
typedef int H5G_own_loc_t;
/* Structure to store information about the name an object was opened with */
typedef struct {
H5RS_str_t *full_path_r; /* Path to object, as seen from root of current file mounting hierarchy */
H5RS_str_t *user_path_r; /* Path to object, as opened by user */
unsigned obj_hidden; /* Whether the object is visible in group hier. */
} H5G_name_t;
/* Forward declarations (for prototypes & struct definitions) */
struct H5P_genplist_t;
struct H5O_loc_t;
struct H5O_t;
/*
* The "location" of an object in a group hierarchy. This points to an object
* location and a group hierarchy path for the object.
*/
typedef struct {
struct H5O_loc_t *oloc; /* Object header location */
H5G_name_t *path; /* Group hierarchy path */
} H5G_loc_t;
typedef struct H5G_t H5G_t;
typedef struct H5G_shared_t H5G_shared_t;
/*
* Library prototypes... These are the ones that other packages routinely
* call.
*/
H5_DLL herr_t H5G_mkroot(H5F_t *f, hid_t dxpl_id, H5G_loc_t *root_loc);
H5_DLL struct H5O_loc_t *H5G_oloc(H5G_t *grp);
H5_DLL H5G_t *H5G_rootof(H5F_t *f);
H5_DLL H5G_name_t * H5G_nameof(H5G_t *grp);
H5_DLL H5F_t *H5G_fileof(H5G_t *grp);
H5_DLL herr_t H5G_free(H5G_t *grp);
H5_DLL H5G_t *H5G_open(H5G_loc_t *loc, hid_t dxpl_id);
H5_DLL herr_t H5G_close(H5G_t *grp);
H5_DLL herr_t H5G_get_objinfo(const H5G_loc_t *loc, const char *name,
hbool_t follow_link, H5G_stat_t *statbuf/*out*/, hid_t dxpl_id);
H5_DLL herr_t H5G_insertion_loc(H5G_loc_t *src_loc, const char *name,
H5G_loc_t *insertion_loc/*out*/, hid_t dxpl_id);
H5_DLL herr_t H5G_free_grp_name(H5G_t *grp);
H5_DLL herr_t H5G_get_shared_count(H5G_t *grp);
H5_DLL herr_t H5G_mount(H5G_t *grp);
H5_DLL herr_t H5G_unmount(H5G_t *grp);
/*
* These functions operate on symbol table nodes.
*/
H5_DLL herr_t H5G_node_close(const H5F_t *f);
H5_DLL herr_t H5G_node_debug(H5F_t *f, hid_t dxpl_id, haddr_t addr, FILE *stream,
int indent, int fwidth, haddr_t heap);
/*
* These functions operate on group object locations.
*/
/* forward reference for later use */
H5_DLL herr_t H5G_obj_ent_decode(H5F_t *f, const uint8_t **pp,
struct H5O_loc_t *oloc);
H5_DLL herr_t H5G_obj_ent_encode(H5F_t *f, uint8_t **pp,
const struct H5O_loc_t *oloc);
/*
* These functions operate on group hierarchy names.
*/
H5_DLL herr_t H5G_name_replace(H5G_obj_t type, H5G_loc_t *loc,
H5RS_str_t *dst_name, H5G_loc_t *dst_loc, H5G_names_op_t op);
H5_DLL herr_t H5G_name_reset(H5G_name_t *name);
H5_DLL herr_t H5G_name_copy(H5G_name_t *dst, const H5G_name_t *src, H5_copy_depth_t depth);
H5_DLL herr_t H5G_name_free(H5G_name_t *name);
H5_DLL ssize_t H5G_get_name(hid_t id, char *name/*out*/, size_t size, hid_t dxpl_id);
/*
* These functions operate on group "locations"
*/
H5_DLL herr_t H5G_loc(hid_t loc_id, H5G_loc_t *loc);
H5_DLL herr_t H5G_loc_find(H5G_loc_t *loc, const char *name,
H5G_loc_t *obj_loc/*out*/, hid_t lapl_id, hid_t dxpl_id);
H5_DLL herr_t H5G_loc_reset(H5G_loc_t *loc);
H5_DLL herr_t H5G_loc_free(H5G_loc_t *loc);
#endif /* _H5Gprivate_H */
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