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/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* Copyright by The HDF Group. *
* 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 COPYING file, which can be found at the root of the source code *
* distribution tree, or in https://support.hdfgroup.org/ftp/HDF5/releases. *
* If you do not have access to either file, you may request a copy from *
* help@hdfgroup.org. *
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
/* Purpose: This file contains declarations which are visible
* only within the H5R package. Source files outside the
* H5R package should include H5Rprivate.h instead.
*/
#if !(defined H5R_FRIEND || defined H5R_MODULE)
#error "Do not include this file outside the H5R package!"
#endif
#ifndef _H5Rpkg_H
#define _H5Rpkg_H
/* Get package's private header */
#include "H5Rprivate.h"
/* Other private headers needed by this file */
#include "H5Fprivate.h" /* Files */
#include "H5Gprivate.h" /* Groups */
#include "H5Oprivate.h" /* Object headers */
#include "H5Sprivate.h" /* Dataspaces */
/**************************/
/* Package Private Macros */
/**************************/
/* Encode flags */
#define H5R_IS_EXTERNAL 0x1 /* Set when encoding reference to external file */
/* Macros for convenience */
#define H5R_REF_FILENAME(x) ((x)->info.obj.filename)
#define H5R_REF_ATTRNAME(x) ((x)->info.attr.name)
/* Header size */
#define H5R_ENCODE_HEADER_SIZE (2 * H5_SIZEOF_UINT8_T)
/****************************/
/* Package Private Typedefs */
/****************************/
/* Object reference */
typedef struct H5R_ref_priv_obj_t {
H5O_token_t token; /* Object token */
char *filename; /* File name */
} H5R_ref_priv_obj_t;
/* Region reference */
typedef struct H5R_ref_priv_reg_t {
H5R_ref_priv_obj_t obj; /* Object reference */
H5S_t *space; /* Selection */
} H5R_ref_priv_reg_t;
/* Attribute reference */
typedef struct H5R_ref_priv_attr_t {
H5R_ref_priv_obj_t obj; /* Object reference */
char *name; /* Attribute name */
} H5R_ref_priv_attr_t;
/* Generic reference type (keep it cache aligned) */
typedef struct H5R_ref_priv_t {
union {
H5R_ref_priv_obj_t obj;/* Object reference */
H5R_ref_priv_reg_t reg;/* Region reference */
H5R_ref_priv_attr_t attr;/* Attribute Reference */
} info;
hid_t loc_id; /* Cached location identifier */
uint32_t encode_size; /* Cached encoding size */
int8_t type; /* Reference type */
uint8_t token_size; /* Cached token size */
hbool_t app_ref; /* App ref on loc_id */
} H5R_ref_priv_t;
/*****************************/
/* Package Private Variables */
/*****************************/
/******************************/
/* Package Private Prototypes */
/******************************/
H5_DLL herr_t H5R__create_object(const H5O_token_t *obj_token, size_t token_size, H5R_ref_priv_t *ref);
H5_DLL herr_t H5R__create_region(const H5O_token_t *obj_token, size_t token_size, H5S_t *space, H5R_ref_priv_t *ref);
H5_DLL herr_t H5R__create_attr(const H5O_token_t *obj_token, size_t token_size, const char *attr_name, H5R_ref_priv_t *ref);
H5_DLL herr_t H5R__destroy(H5R_ref_priv_t *ref);
H5_DLL herr_t H5R__set_loc_id(H5R_ref_priv_t *ref, hid_t id, hbool_t inc_ref, hbool_t app_ref);
H5_DLL hid_t H5R__get_loc_id(const H5R_ref_priv_t *ref);
H5_DLL hid_t H5R__reopen_file(H5R_ref_priv_t *ref, hid_t fapl_id);
H5_DLL H5R_type_t H5R__get_type(const H5R_ref_priv_t *ref);
H5_DLL htri_t H5R__equal(const H5R_ref_priv_t *ref1, const H5R_ref_priv_t *ref2);
H5_DLL herr_t H5R__copy(const H5R_ref_priv_t *src_ref, H5R_ref_priv_t *dst_ref);
H5_DLL herr_t H5R__get_obj_token(const H5R_ref_priv_t *ref, H5O_token_t *obj_token, size_t *token_size);
H5_DLL herr_t H5R__set_obj_token(H5R_ref_priv_t *ref, const H5O_token_t *obj_token, size_t token_size);
H5_DLL herr_t H5R__get_region(const H5R_ref_priv_t *ref, H5S_t *space);
H5_DLL ssize_t H5R__get_file_name(const H5R_ref_priv_t *ref, char *buf, size_t size);
H5_DLL ssize_t H5R__get_attr_name(const H5R_ref_priv_t *ref, char *buf, size_t size);
H5_DLL herr_t H5R__encode(const char *filename, const H5R_ref_priv_t *ref, unsigned char *buf, size_t *nalloc, unsigned flags);
H5_DLL herr_t H5R__decode(const unsigned char *buf, size_t *nbytes, H5R_ref_priv_t *ref);
/* Native HDF5 specific routines */
H5_DLL herr_t H5R__encode_heap(H5F_t *f, unsigned char *buf, size_t *nalloc, const unsigned char *data, size_t data_size);
H5_DLL herr_t H5R__decode_heap(H5F_t *f, const unsigned char *buf, size_t *nbytes, unsigned char **data_ptr, size_t *data_size);
H5_DLL herr_t H5R__free_heap(H5F_t *f, const unsigned char *buf, size_t nbytes);
H5_DLL herr_t H5R__decode_token_compat(H5VL_object_t *vol_obj, H5I_type_t type, H5R_type_t ref_type, const unsigned char *buf, H5O_token_t *obj_token);
H5_DLL herr_t H5R__encode_token_obj_compat(const H5O_token_t *obj_token, size_t token_size, unsigned char *buf, size_t *nalloc);
H5_DLL herr_t H5R__decode_token_obj_compat(const unsigned char *buf, size_t *nbytes, H5O_token_t *obj_token, size_t token_size);
H5_DLL herr_t H5R__encode_token_region_compat(H5F_t *f, const H5O_token_t *obj_token, size_t token_size, H5S_t *space, unsigned char *buf, size_t *nalloc);
H5_DLL herr_t H5R__decode_token_region_compat(H5F_t *f, const unsigned char *buf, size_t *nbytes, H5O_token_t *obj_token, size_t token_size, H5S_t **space_ptr);
#endif /* _H5Rpkg_H */
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