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
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
|
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* 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://www.hdfgroup.org/licenses. *
* If you do not have access to either file, you may request a copy from *
* help@hdfgroup.org. *
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
/*
* This file contains private information about the H5S module
*/
#ifndef _H5Sprivate_H
#define _H5Sprivate_H
/* Include package's public header */
#include "H5Spublic.h"
/* Public headers needed by this file */
#include "H5Dpublic.h" /* Datasets */
/* Private headers needed by this file */
#include "H5private.h" /* Generic Functions */
#include "H5Fprivate.h" /* Files */
#include "H5Gprivate.h" /* Groups */
#include "H5Pprivate.h" /* Property lists */
#include "H5Tprivate.h" /* Datatypes */
/* Flags for selection iterators */
#define H5S_SEL_ITER_GET_SEQ_LIST_SORTED \
0x0001 /* Retrieve elements from iterator \
* in increasing offset order, for \
* each call to retrieve sequences. \
* Currently, this only applies to \
* point selections, as hyperslab \
* selections are always returned \
* in increasing offset order. \
* \
* Note that the order is only \
* increasing for each call to \
* get_seq_list, the next set of \
* sequences could start with an \
* earlier offset than the previous \
* one. \
*/
#define H5S_SEL_ITER_SHARE_WITH_DATASPACE \
0x0002 /* Don't copy the dataspace \
* selection when creating the \
* selection iterator. \
* \
* This can improve performance \
* of creating the iterator, but \
* the dataspace _MUST_NOT_ be \
* modified or closed until the \
* selection iterator is closed \
* or the iterator's behavior \
* will be undefined. \
*/
/* Forward references of package typedefs */
typedef struct H5S_extent_t H5S_extent_t;
typedef struct H5S_pnt_node_t H5S_pnt_node_t;
typedef struct H5S_pnt_list_t H5S_pnt_list_t;
typedef struct H5S_hyper_span_t H5S_hyper_span_t;
typedef struct H5S_hyper_span_info_t H5S_hyper_span_info_t;
/* Information about one dimension in a hyperslab selection */
typedef struct H5S_hyper_dim_t {
hsize_t start;
hsize_t stride;
hsize_t count;
hsize_t block;
} H5S_hyper_dim_t;
/* Point selection iteration container */
typedef struct {
H5S_pnt_list_t *pnt_lst; /* Pointer to point list */
H5S_pnt_node_t *curr; /* Pointer to next node to output */
} H5S_point_iter_t;
/* Hyperslab selection iteration container */
typedef struct {
/* Common fields for all hyperslab selections */
hsize_t off[H5S_MAX_RANK]; /* Offset in span node (used as position for regular hyperslabs) */
hsize_t slab[H5S_MAX_RANK]; /* Cumulative size of each dimension in bytes */
unsigned iter_rank; /* Rank of iterator information */
/* (This should always be the same as the dataspace
* rank, except for regular hyperslab selections in
* which there are contiguous regions in the lower
* dimensions that have been "flattened")
*/
hbool_t diminfo_valid; /* Whether the dimension information is valid */
/* "Flattened" regular hyperslab selection fields */
H5S_hyper_dim_t diminfo[H5S_MAX_RANK]; /* "Flattened" regular selection information */
hsize_t size[H5S_MAX_RANK]; /* "Flattened" dataspace extent information */
hssize_t sel_off[H5S_MAX_RANK]; /* "Flattened" selection offset information */
hbool_t flattened[H5S_MAX_RANK]; /* Whether this dimension has been flattened */
/* Irregular hyperslab selection fields */
hsize_t loc_off[H5S_MAX_RANK]; /* Byte offset in buffer, for each dimension's current offset */
H5S_hyper_span_info_t *spans; /* Pointer to copy of the span tree */
H5S_hyper_span_t * span[H5S_MAX_RANK]; /* Array of pointers to span nodes */
} H5S_hyper_iter_t;
/* "All" selection iteration container */
typedef struct {
hsize_t elmt_offset; /* Next element to output */
hsize_t byte_offset; /* Next byte to output */
} H5S_all_iter_t;
/* Forward declaration of selection iteration class */
struct H5S_sel_iter_class_t;
/* Selection iteration container */
typedef struct H5S_sel_iter_t {
/* Selection class */
const struct H5S_sel_iter_class_t *type; /* Selection iteration class info */
/* Information common to all iterators */
unsigned rank; /* Rank of dataspace the selection iterator is operating on */
hsize_t dims[H5S_MAX_RANK]; /* Dimensions of dataspace the selection is operating on */
hssize_t sel_off[H5S_MAX_RANK]; /* Selection offset in dataspace */
hsize_t elmt_left; /* Number of elements left to iterate over */
size_t elmt_size; /* Size of elements to iterate over */
unsigned flags; /* Flags controlling iterator behavior */
/* Information specific to each type of iterator */
union {
H5S_point_iter_t pnt; /* Point selection iteration information */
H5S_hyper_iter_t hyp; /* New Hyperslab selection iteration information */
H5S_all_iter_t all; /* "All" selection iteration information */
} u;
} H5S_sel_iter_t;
/* Selection iteration operator for internal library callbacks */
typedef herr_t (*H5S_sel_iter_lib_op_t)(void *elem, const H5T_t *type, unsigned ndim, const hsize_t *point,
void *op_data);
/* Describe kind of callback to make */
typedef enum H5S_sel_iter_op_type_t {
H5S_SEL_ITER_OP_APP, /* Application callback */
H5S_SEL_ITER_OP_LIB /* Library internal callback */
} H5S_sel_iter_op_type_t;
typedef struct H5S_sel_iter_app_op_t {
H5D_operator_t op; /* Callback */
hid_t type_id; /* Type ID to be passed to callback */
} H5S_sel_iter_app_op_t;
typedef struct H5S_sel_iter_op_t {
H5S_sel_iter_op_type_t op_type;
union {
H5S_sel_iter_app_op_t app_op; /* Application callback */
H5S_sel_iter_lib_op_t lib_op; /* Library internal callback */
} u;
} H5S_sel_iter_op_t;
/* If the module using this macro is allowed access to the private variables, access them directly */
#ifdef H5S_MODULE
#define H5S_GET_EXTENT_TYPE(S) ((S)->extent.type)
#define H5S_GET_EXTENT_NDIMS(S) ((S)->extent.rank)
#define H5S_GET_EXTENT_NPOINTS(S) ((S)->extent.nelem)
#define H5S_GET_SELECT_NPOINTS(S) ((S)->select.num_elem)
#define H5S_GET_SELECT_TYPE(S) ((S)->select.type->type)
#define H5S_SELECT_VALID(S) ((*(S)->select.type->is_valid)(S))
#define H5S_SELECT_SERIAL_SIZE(S) ((*(S)->select.type->serial_size)(S))
#define H5S_SELECT_SERIALIZE(S, BUF) ((*(S)->select.type->serialize)(S, BUF))
#define H5S_SELECT_BOUNDS(S, START, END) ((*(S)->select.type->bounds)(S, START, END))
#define H5S_SELECT_OFFSET(S, OFFSET) ((*(S)->select.type->offset)(S, OFFSET))
#define H5S_SELECT_IS_CONTIGUOUS(S) ((*(S)->select.type->is_contiguous)(S))
#define H5S_SELECT_IS_SINGLE(S) ((*(S)->select.type->is_single)(S))
#define H5S_SELECT_IS_REGULAR(S) ((*(S)->select.type->is_regular)(S))
#define H5S_SELECT_ADJUST_U(S, O) ((*(S)->select.type->adjust_u)(S, O))
#define H5S_SELECT_ADJUST_S(S, O) ((*(S)->select.type->adjust_s)(S, O))
#define H5S_SELECT_PROJECT_SCALAR(S, O) ((*(S)->select.type->project_scalar)(S, O))
#define H5S_SELECT_PROJECT_SIMPLE(S, NS, O) ((*(S)->select.type->project_simple)(S, NS, O))
#define H5S_SELECT_ITER_COORDS(ITER, COORDS) ((*(ITER)->type->iter_coords)(ITER, COORDS))
#define H5S_SELECT_ITER_BLOCK(ITER, START, END) ((*(ITER)->type->iter_block)(ITER, START, END))
#define H5S_SELECT_ITER_NELMTS(ITER) ((*(ITER)->type->iter_nelmts)(ITER))
#define H5S_SELECT_ITER_HAS_NEXT_BLOCK(ITER) ((*(ITER)->type->iter_has_next_block)(ITER))
#define H5S_SELECT_ITER_NEXT(ITER, NELEM) ((*(ITER)->type->iter_next)(ITER, NELEM))
#define H5S_SELECT_ITER_NEXT_BLOCK(ITER) ((*(ITER)->type->iter_next_block)(ITER))
#define H5S_SELECT_ITER_GET_SEQ_LIST(ITER, MAXSEQ, MAXBYTES, NSEQ, NBYTES, OFF, LEN) \
((*(ITER)->type->iter_get_seq_list)(ITER, MAXSEQ, MAXBYTES, NSEQ, NBYTES, OFF, LEN))
#define H5S_SELECT_ITER_RELEASE(ITER) ((*(ITER)->type->iter_release)(ITER))
#else /* H5S_MODULE */
#define H5S_GET_EXTENT_TYPE(S) (H5S_get_simple_extent_type(S))
#define H5S_GET_EXTENT_NDIMS(S) (H5S_get_simple_extent_ndims(S))
#define H5S_GET_EXTENT_NPOINTS(S) (H5S_get_simple_extent_npoints(S))
#define H5S_GET_SELECT_NPOINTS(S) (H5S_get_select_npoints(S))
#define H5S_GET_SELECT_TYPE(S) (H5S_get_select_type(S))
#define H5S_SELECT_VALID(S) (H5S_select_valid(S))
#define H5S_SELECT_SERIAL_SIZE(S) (H5S_select_serial_size(S))
#define H5S_SELECT_SERIALIZE(S, BUF) (H5S_select_serialize(S, BUF))
#define H5S_SELECT_BOUNDS(S, START, END) (H5S_get_select_bounds(S, START, END))
#define H5S_SELECT_OFFSET(S, OFFSET) (H5S_get_select_offset(S, OFFSET))
#define H5S_SELECT_IS_CONTIGUOUS(S) (H5S_select_is_contiguous(S))
#define H5S_SELECT_IS_SINGLE(S) (H5S_select_is_single(S))
#define H5S_SELECT_IS_REGULAR(S) (H5S_select_is_regular(S))
#define H5S_SELECT_ADJUST_U(S, O) (H5S_select_adjust_u(S, O))
#define H5S_SELECT_ADJUST_S(S, O) (H5S_select_adjust_s(S, O))
#define H5S_SELECT_PROJECT_SCALAR(S, O) (H5S_select_project_scalar(S, O))
#define H5S_SELECT_PROJECT_SIMPLE(S, NS, O) (H5S_select_project_simple(S, NS, O))
#define H5S_SELECT_ITER_COORDS(ITER, COORDS) (H5S_select_iter_coords(ITER, COORDS))
#define H5S_SELECT_ITER_BLOCK(ITER, START, END) (H5S_select_iter_block(ITER, START, END))
#define H5S_SELECT_ITER_NELMTS(ITER) (H5S_select_iter_nelmts(ITER))
#define H5S_SELECT_ITER_HAS_NEXT_BLOCK(ITER) (H5S_select_iter_has_next_block(ITER))
#define H5S_SELECT_ITER_NEXT(ITER, NELEM) (H5S_select_iter_next(ITER, NELEM))
#define H5S_SELECT_ITER_NEXT_BLOCK(ITER) (H5S_select_iter_next_block(ITER))
#define H5S_SELECT_ITER_GET_SEQ_LIST(ITER, MAXSEQ, MAXBYTES, NSEQ, NBYTES, OFF, LEN) \
(H5S_select_iter_get_seq_list(ITER, MAXSEQ, MAXBYTES, NSEQ, NBYTES, OFF, LEN))
#define H5S_SELECT_ITER_RELEASE(ITER) (H5S_select_iter_release(ITER))
#endif /* H5S_MODULE */
/* Handle these callbacks in a special way, since they have prologs that need to be executed */
#define H5S_SELECT_COPY(DST, SRC, SHARE) (H5S_select_copy(DST, SRC, SHARE))
#define H5S_SELECT_SHAPE_SAME(S1, S2) (H5S_select_shape_same(S1, S2))
#define H5S_SELECT_INTERSECT_BLOCK(S, START, END) (H5S_select_intersect_block(S, START, END))
#define H5S_SELECT_RELEASE(S) (H5S_select_release(S))
#define H5S_SELECT_DESERIALIZE(S, BUF) (H5S_select_deserialize(S, BUF))
/* Forward declaration of structs used below */
struct H5O_t;
struct H5O_loc_t;
/* Early typedef to avoid circular dependencies */
typedef struct H5S_t H5S_t;
/* Operations on dataspaces */
H5_DLL H5S_t * H5S_copy(const H5S_t *src, hbool_t share_selection, hbool_t copy_max);
H5_DLL herr_t H5S_close(H5S_t *ds);
H5_DLL H5S_class_t H5S_get_simple_extent_type(const H5S_t *ds);
H5_DLL hssize_t H5S_get_simple_extent_npoints(const H5S_t *ds);
H5_DLL hsize_t H5S_get_npoints_max(const H5S_t *ds);
H5_DLL hbool_t H5S_has_extent(const H5S_t *ds);
H5_DLL int H5S_get_simple_extent_ndims(const H5S_t *ds);
H5_DLL int H5S_get_simple_extent_dims(const H5S_t *ds, hsize_t dims[] /*out*/, hsize_t max_dims[] /*out*/);
H5_DLL herr_t H5S_write(H5F_t *f, struct H5O_t *oh, unsigned update_flags, H5S_t *ds);
H5_DLL herr_t H5S_append(H5F_t *f, struct H5O_t *oh, H5S_t *ds);
H5_DLL H5S_t *H5S_read(const struct H5O_loc_t *loc);
H5_DLL htri_t H5S_set_extent(H5S_t *space, const hsize_t *size);
H5_DLL herr_t H5S_set_extent_real(H5S_t *space, const hsize_t *size);
H5_DLL herr_t H5S_set_extent_simple(H5S_t *space, unsigned rank, const hsize_t *dims, const hsize_t *max);
H5_DLL H5S_t *H5S_create(H5S_class_t type);
H5_DLL herr_t H5S_get_validated_dataspace(hid_t space_id, const H5S_t **space /*out*/);
H5_DLL H5S_t *H5S_create_simple(unsigned rank, const hsize_t dims[/*rank*/], const hsize_t maxdims[/*rank*/]);
H5_DLL herr_t H5S_set_version(H5F_t *f, H5S_t *ds);
H5_DLL herr_t H5S_encode(H5S_t *obj, unsigned char **p, size_t *nalloc);
H5_DLL H5S_t *H5S_decode(const unsigned char **p);
H5_DLL herr_t H5S_debug(H5F_t *f, const void *_mesg, FILE *stream, int indent, int fwidth);
/* Operations on dataspace extents */
H5_DLL hsize_t H5S_extent_nelem(const H5S_extent_t *ext);
H5_DLL int H5S_extent_get_dims(const H5S_extent_t *ext, hsize_t dims[], hsize_t max_dims[]);
H5_DLL htri_t H5S_extent_equal(const H5S_t *ds1, const H5S_t *ds2);
H5_DLL herr_t H5S_extent_copy(H5S_t *dst, const H5S_t *src);
/* Operations on selections */
H5_DLL herr_t H5S_select_deserialize(H5S_t **space, const uint8_t **p);
H5_DLL H5S_sel_type H5S_get_select_type(const H5S_t *space);
H5_DLL herr_t H5S_select_iterate(void *buf, const H5T_t *type, const H5S_t *space,
const H5S_sel_iter_op_t *op, void *op_data);
H5_DLL herr_t H5S_select_fill(const void *fill, size_t fill_size, const H5S_t *space, void *buf);
H5_DLL htri_t H5S_select_valid(const H5S_t *space);
H5_DLL hsize_t H5S_get_select_npoints(const H5S_t *space);
H5_DLL herr_t H5S_get_select_bounds(const H5S_t *space, hsize_t *start, hsize_t *end);
H5_DLL herr_t H5S_get_select_offset(const H5S_t *space, hsize_t *offset);
H5_DLL int H5S_get_select_unlim_dim(const H5S_t *space);
H5_DLL herr_t H5S_get_select_num_elem_non_unlim(const H5S_t *space, hsize_t *num_elem_non_unlim);
H5_DLL herr_t H5S_select_offset(H5S_t *space, const hssize_t *offset);
H5_DLL herr_t H5S_select_copy(H5S_t *dst, const H5S_t *src, hbool_t share_selection);
H5_DLL htri_t H5S_select_shape_same(const H5S_t *space1, const H5S_t *space2);
H5_DLL htri_t H5S_select_intersect_block(const H5S_t *space, const hsize_t *start, const hsize_t *end);
H5_DLL herr_t H5S_select_construct_projection(const H5S_t *base_space, H5S_t **new_space_ptr,
unsigned new_space_rank, const void *buf,
void const **adj_buf_ptr, hsize_t element_size);
H5_DLL herr_t H5S_select_release(H5S_t *ds);
H5_DLL hssize_t H5S_select_serial_size(const H5S_t *space);
H5_DLL herr_t H5S_select_serialize(const H5S_t *space, uint8_t **p);
H5_DLL htri_t H5S_select_is_contiguous(const H5S_t *space);
H5_DLL htri_t H5S_select_is_single(const H5S_t *space);
H5_DLL htri_t H5S_select_is_regular(const H5S_t *space);
H5_DLL herr_t H5S_select_adjust_u(H5S_t *space, const hsize_t *offset);
H5_DLL herr_t H5S_select_adjust_s(H5S_t *space, const hssize_t *offset);
H5_DLL herr_t H5S_select_project_scalar(const H5S_t *space, hsize_t *offset);
H5_DLL herr_t H5S_select_project_simple(const H5S_t *space, H5S_t *new_space, hsize_t *offset);
H5_DLL herr_t H5S_select_project_intersection(const H5S_t *src_space, const H5S_t *dst_space,
const H5S_t *src_intersect_space, H5S_t **new_space_ptr,
hbool_t share_space);
H5_DLL herr_t H5S_select_subtract(H5S_t *space, H5S_t *subtract_space);
/* Operations on all selections */
H5_DLL herr_t H5S_select_all(H5S_t *space, hbool_t rel_prev);
/* Operations on none selections */
H5_DLL herr_t H5S_select_none(H5S_t *space);
/* Operations on point selections */
H5_DLL herr_t H5S_select_elements(H5S_t *space, H5S_seloper_t op, size_t num_elem, const hsize_t *coord);
/* Operations on hyperslab selections */
H5_DLL herr_t H5S_select_hyperslab(H5S_t *space, H5S_seloper_t op, const hsize_t start[],
const hsize_t *stride, const hsize_t count[], const hsize_t *block);
H5_DLL herr_t H5S_combine_hyperslab(H5S_t *old_space, H5S_seloper_t op, const hsize_t start[],
const hsize_t *stride, const hsize_t count[], const hsize_t *block,
H5S_t **new_space);
H5_DLL herr_t H5S_hyper_add_span_element(H5S_t *space, unsigned rank, const hsize_t *coords);
H5_DLL htri_t H5S_hyper_normalize_offset(H5S_t *space, hssize_t *old_offset);
H5_DLL herr_t H5S_hyper_denormalize_offset(H5S_t *space, const hssize_t *old_offset);
H5_DLL herr_t H5S_hyper_clip_unlim(H5S_t *space, hsize_t clip_size);
H5_DLL hsize_t H5S_hyper_get_clip_extent(const H5S_t *clip_space, const H5S_t *match_space,
hbool_t incl_trail);
H5_DLL hsize_t H5S_hyper_get_clip_extent_match(const H5S_t *clip_space, const H5S_t *match_space,
hsize_t match_clip_size, hbool_t incl_trail);
H5_DLL H5S_t * H5S_hyper_get_unlim_block(const H5S_t *space, hsize_t block_index);
H5_DLL hsize_t H5S_hyper_get_first_inc_block(const H5S_t *space, hsize_t clip_size, hbool_t *partial);
/* Operations on selection iterators */
H5_DLL herr_t H5S_select_iter_init(H5S_sel_iter_t *iter, const H5S_t *space, size_t elmt_size,
unsigned flags);
H5_DLL herr_t H5S_select_iter_coords(const H5S_sel_iter_t *sel_iter, hsize_t *coords);
H5_DLL hsize_t H5S_select_iter_nelmts(const H5S_sel_iter_t *sel_iter);
H5_DLL herr_t H5S_select_iter_next(H5S_sel_iter_t *sel_iter, size_t nelem);
H5_DLL herr_t H5S_select_iter_get_seq_list(H5S_sel_iter_t *iter, size_t maxseq, size_t maxbytes, size_t *nseq,
size_t *nbytes, hsize_t *off, size_t *len);
H5_DLL herr_t H5S_select_iter_release(H5S_sel_iter_t *sel_iter);
H5_DLL herr_t H5S_sel_iter_close(H5S_sel_iter_t *sel_iter);
#ifdef H5_HAVE_PARALLEL
H5_DLL herr_t H5S_mpio_space_type(const H5S_t *space, size_t elmt_size,
/* out: */ MPI_Datatype *new_type, int *count, hbool_t *is_derived_type,
hbool_t do_permute, hsize_t **permute_map, hbool_t *is_permuted);
#endif /* H5_HAVE_PARALLEL */
#endif /* _H5Sprivate_H */
|