1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
|
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* 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. *
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
/*
* Programmer: Quincey Koziol
* Monday, Apr 20
*
* Purpose: This file contains declarations which are visible only within
* the H5A package. Source files outside the H5A package should
* include H5Aprivate.h instead.
*/
#ifndef H5A_PACKAGE
#error "Do not include this file outside the H5A package!"
#endif
#ifndef _H5Apkg_H
#define _H5Apkg_H
/*
* Define this to enable debugging.
*/
#ifdef NDEBUG
# undef H5A_DEBUG
#endif
/* Get package's private header */
#include "H5Aprivate.h"
/* Other private headers needed by this file */
#include "H5B2private.h" /* v2 B-trees */
#include "H5FLprivate.h" /* Free Lists */
#include "H5HFprivate.h" /* Fractal heaps */
#include "H5Oprivate.h" /* Object headers */
#include "H5Sprivate.h" /* Dataspace */
#include "H5Tprivate.h" /* Datatype functions */
/**************************/
/* Package Private Macros */
/**************************/
/* Standard length of fractal heap ID for attribute */
#define H5A_DENSE_FHEAP_ID_LEN 7
/****************************/
/* Package Private Typedefs */
/****************************/
/* Define the main attribute structure */
struct H5A_t {
hbool_t initialized;/* Indicate whether the attribute has been modified */
hbool_t obj_opened; /* Object header entry opened? */
H5O_loc_t oloc; /* Object location for object attribute is on */
H5G_name_t path; /* Group hierarchy path */
char *name; /* Attribute's name */
H5T_t *dt; /* Attribute's datatype */
size_t dt_size; /* Size of datatype on disk */
H5S_t *ds; /* Attribute's dataspace */
size_t ds_size; /* Size of dataspace on disk */
void *data; /* Attribute data (on a temporary basis) */
size_t data_size; /* Size of data on disk */
H5T_cset_t encoding; /* Character encoding of attribute */
H5O_shared_t sh_loc; /* Location of shared message */
};
/* Typedefs for "dense" attribute storage */
/* (fractal heap & v2 B-tree info) */
/* Typedef for native 'name' field index records in the v2 B-tree */
/* (Keep 'id' field first so generic record handling in callbacks works) */
typedef struct H5A_dense_bt2_name_rec_t {
uint8_t id[H5A_DENSE_FHEAP_ID_LEN]; /* Heap ID for link */
uint8_t flags; /* Message flags for attribute */
uint32_t hash; /* Hash of 'name' field value */
} H5A_dense_bt2_name_rec_t;
/*
* Common data exchange structure for dense attribute storage. This structure
* is passed through the v2 B-tree layer to the methods for the objects
* to which the v2 B-tree points.
*/
typedef struct H5A_bt2_ud_common_t {
/* downward */
H5F_t *f; /* Pointer to file that fractal heap is in */
hid_t dxpl_id; /* DXPL for operation */
H5HF_t *fheap; /* Fractal heap handle */
const char *name; /* Name of attribute to compare */
uint32_t name_hash; /* Hash of name of attribute to compare */
uint8_t flags; /* Flags for attribute storage location */
int64_t corder; /* Creation order value of attribute to compare */
H5B2_found_t found_op; /* Callback when correct attribute is found */
void *found_op_data; /* Callback data when correct attribute is found */
} H5A_bt2_ud_common_t;
/*
* Data exchange structure for dense attribute storage. This structure is
* passed through the v2 B-tree layer when inserting attributes.
*/
typedef struct H5A_bt2_ud_ins_t {
/* downward */
H5A_bt2_ud_common_t common; /* Common info for B-tree user data (must be first) */
uint8_t id[H5A_DENSE_FHEAP_ID_LEN]; /* Heap ID of attribute to insert */
} H5A_bt2_ud_ins_t;
/*****************************/
/* Package Private Variables */
/*****************************/
/* Declare extern the free list for H5A_t's */
H5FL_EXTERN(H5A_t);
/* Declare extern a free list to manage blocks of type conversion data */
H5FL_BLK_EXTERN(attr_buf);
/* The v2 B-tree class for indexing 'name' field on attributes */
H5_DLLVAR const H5B2_class_t H5A_BT2_NAME[1];
/******************************/
/* Package Private Prototypes */
/******************************/
/* Function prototypes for H5A package scope */
H5_DLL herr_t H5A_init(void);
H5_DLL H5A_t *H5A_copy(H5A_t *new_attr, const H5A_t *old_attr);
H5_DLL herr_t H5A_free(H5A_t *attr);
H5_DLL herr_t H5A_close(H5A_t *attr);
/* Attribute "dense" storage routines */
H5_DLL H5A_t *H5A_dense_open(H5F_t *f, hid_t dxpl_id, const H5O_t *oh,
const char *name);
H5_DLL herr_t H5A_dense_write(H5F_t *f, hid_t dxpl_id, const H5O_t *oh,
const H5A_t *attr);
H5_DLL herr_t H5A_dense_iterate(H5F_t *f, hid_t dxpl_id, hid_t loc_id,
haddr_t attr_fheap_addr, haddr_t name_bt2_addr, unsigned skip,
unsigned *last_attr, H5A_operator_t op, void *op_data);
/* Attribute object header routines */
H5_DLL herr_t H5O_attr_reset(void *_mesg);
H5_DLL herr_t H5O_attr_get_share(const void *_mesg, H5O_shared_t *sh);
#endif /* _H5Apkg_H */
|
