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
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
|
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* 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 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://hdfgroup.org/HDF5/doc/Copyright.html. If you do not have *
* access to either file, you may request a copy from help@hdfgroup.org. *
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
/*
* 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 */
/**************************/
/****************************/
/* Package Private Typedefs */
/****************************/
/* Define the main attribute structure */
struct H5A_t {
H5O_shared_t sh_loc; /* Shared message info (must be first) */
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_cset_t encoding; /* Character encoding of attribute 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 */
H5O_msg_crt_idx_t crt_idx; /* Attribute's creation index in the object header */
};
/* 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 {
H5O_fheap_id_t id; /* Heap ID for attribute */
uint8_t flags; /* Object header message flags for attribute */
H5O_msg_crt_idx_t corder; /* 'creation order' field value */
uint32_t hash; /* Hash of 'name' field value */
} H5A_dense_bt2_name_rec_t;
/* Typedef for native 'creation order' field index records in the v2 B-tree */
/* (Keep 'id' field first so generic record handling in callbacks works) */
typedef struct H5A_dense_bt2_corder_rec_t {
H5O_fheap_id_t id; /* Heap ID for attribute */
uint8_t flags; /* Object header message flags for attribute */
H5O_msg_crt_idx_t corder; /* 'creation order' field value */
} H5A_dense_bt2_corder_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 */
H5HF_t *shared_fheap; /* Fractal heap handle for shared messages */
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 */
H5O_msg_crt_idx_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) */
H5O_fheap_id_t id; /* Heap ID of attribute to insert */
} H5A_bt2_ud_ins_t;
/*
* Data exchange structure for dense attribute storage. This structure is
* passed through the v2 B-tree layer when removing attributes.
*/
typedef struct H5A_bt2_ud_rm_t {
/* downward */
H5A_bt2_ud_common_t common; /* Common info for B-tree user data (must be first) */
haddr_t corder_bt2_addr; /* v2 B-tree address of creation order index */
} H5A_bt2_ud_rm_t;
/* Data structure to hold table of attributes for an object */
typedef struct {
size_t nattrs; /* # of attributes in table */
H5A_t *attrs; /* Pointer to array of attributes */
} H5A_attr_table_t;
/* Attribute iteration operator for internal library callbacks */
typedef herr_t (*H5A_lib_iterate_t)(const H5A_t *attr, void *op_data);
/* Describe kind of callback to make for each attribute */
struct H5A_attr_iter_op_t {
enum {
H5A_ATTR_OP_APP, /* Application callback */
H5A_ATTR_OP_LIB /* Library internal callback */
} op_type;
union {
H5A_operator_t app_op; /* Application callback for each attribute */
H5A_lib_iterate_t lib_op; /* Library internal callback for each attribute */
} u;
};
/*****************************/
/* 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];
/* The v2 B-tree class for indexing 'creation order' field on attributes */
H5_DLLVAR const H5B2_class_t H5A_BT2_CORDER[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 herr_t H5A_dense_create(H5F_t *f, hid_t dxpl_id, H5O_t *oh);
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_insert(H5F_t *f, hid_t dxpl_id, const H5O_t *oh,
H5A_t *attr);
H5_DLL herr_t H5A_dense_write(H5F_t *f, hid_t dxpl_id, const H5O_t *oh,
H5A_t *attr);
H5_DLL herr_t H5A_dense_rename(H5F_t *f, hid_t dxpl_id, const H5O_t *oh,
const char *old_name, const char *new_name);
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, H5_iter_order_t order,
unsigned skip, unsigned *last_attr, const H5A_attr_iter_op_t *attr_op,
void *op_data);
H5_DLL herr_t H5A_dense_remove(H5F_t *f, hid_t dxpl_id, const H5O_t *oh,
const char *name);
H5_DLL htri_t H5A_dense_exists(H5F_t *f, hid_t dxpl_id, const H5O_t *oh,
const char *name);
/* Attribute table operations */
H5_DLL herr_t H5A_compact_build_table(H5F_t *f, hid_t dxpl_id, H5O_t *oh,
H5_index_t idx_type, H5_iter_order_t order, H5A_attr_table_t *atable,
unsigned *oh_flags);
H5_DLL herr_t H5A_dense_build_table(H5F_t *f, hid_t dxpl_id, hsize_t nattrs,
haddr_t attr_fheap_addr, haddr_t name_bt2_addr, H5_index_t idx_type,
H5_iter_order_t order, H5A_attr_table_t *atable);
H5_DLL herr_t H5A_attr_iterate_table(const H5A_attr_table_t *atable,
unsigned skip, unsigned *last_attr, hid_t loc_id,
const H5A_attr_iter_op_t *attr_op, void *op_data);
H5_DLL herr_t H5A_attr_release_table(H5A_attr_table_t *atable);
/* Attribute object header routines */
H5_DLL herr_t H5O_attr_reset(void *_mesg);
H5_DLL herr_t H5O_attr_delete(H5F_t *f, hid_t dxpl_id, const void *_mesg);
H5_DLL herr_t H5O_attr_link(H5F_t *f, hid_t dxpl_id, const void *_mesg);
/* Attribute operations */
H5_DLL herr_t H5O_attr_update_shared(H5F_t *f, hid_t dxpl_id, H5A_t *attr,
H5O_shared_t *sh_mesg);
/* Testing functions */
#ifdef H5A_TESTING
H5_DLL htri_t H5A_is_shared_test(hid_t aid);
H5_DLL herr_t H5A_get_shared_rc_test(hid_t attr_id, hsize_t *ref_count);
#endif /* H5A_TESTING */
#endif /* _H5Apkg_H */
|
