summaryrefslogtreecommitdiffstats
path: root/fortran/src/H5VLff.F90
blob: 5a1fa9fd3b5bfe47ab0428b68b59f0fb690edb22 (plain)
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
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
!> @defgroup FH5VL Fortran VOL (H5VL) Interface
!!
!! @see H5VL, C-API
!!
!! @see @ref H5VL_UG, User Guide
!!

!> @ingroup FH5VL
!!
!! @brief This module contains Fortran interfaces for H5VL (VOL) functions.
!
! COPYRIGHT
! * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
!   Copyright by The HDF Group.                                               *
!   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.                                                        *
! * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
!
! NOTES
!       _____ __  __ _____   ____  _____ _______       _   _ _______
!      |_   _|  \/  |  __ \ / __ \|  __ \__   __|/\   | \ | |__   __|
! ****   | | | \  / | |__) | |  | | |__) | | |  /  \  |  \| |  | |    ****
! ****   | | | |\/| |  ___/| |  | |  _  /  | | / /\ \ | . ` |  | |    ****
! ****  _| |_| |  | | |    | |__| | | \ \  | |/ ____ \| |\  |  | |    ****
!      |_____|_|  |_|_|     \____/|_|  \_\ |_/_/    \_\_| \_|  |_|
!
!  If you add a new H5VL function you must add the function name to the
!  Windows dll file 'hdf5_fortrandll.def.in' in the fortran/src directory.
!  This is needed for Windows based operating systems.
!

MODULE H5VL

  USE H5GLOBAL
  USE H5fortkit

  IMPLICIT NONE

CONTAINS

! H5VLregister_connector

!>
!! \ingroup FH5VL
!!
!! \brief Registers a new VOL connector as a member of the virtual object layer class by name.
!!
!! \param name    \fortran_vol_name
!! \param vol_id  VOL connector identifier if successful; otherwise returns H5I_INVALID_HID_F
!! \param hdferr  \fortran_error
!! \param vipl_id VOL initialization property list identifier
!!
!! See C API: @ref H5VLregister_connector_by_name()
!!
  SUBROUTINE H5VLregister_connector_by_name_f(name, vol_id, hdferr, vipl_id)
    IMPLICIT NONE
    CHARACTER(LEN=*), INTENT(IN) :: name
    INTEGER(HID_T), INTENT(OUT) :: vol_id
    INTEGER, INTENT(OUT) :: hdferr
    INTEGER(HID_T), INTENT(IN), OPTIONAL :: vipl_id

    CHARACTER(LEN=LEN_TRIM(name)+1,KIND=C_CHAR) :: c_name
    INTEGER(HID_T) :: vipl_id_default

    INTERFACE
       INTEGER(HID_T) FUNCTION H5VLregister_connector_by_name(name, vipl_id) &
            BIND(C,NAME='H5VLregister_connector_by_name')
         IMPORT :: C_CHAR
         IMPORT :: HID_T
         CHARACTER(KIND=C_CHAR), DIMENSION(*) :: name
         INTEGER(HID_T), VALUE :: vipl_id
       END FUNCTION H5VLregister_connector_by_name
    END INTERFACE

    vipl_id_default = H5P_DEFAULT_F
    IF(PRESENT(vipl_id)) vipl_id_default = vipl_id

    c_name = TRIM(name)//C_NULL_CHAR
    vol_id = H5VLregister_connector_by_name(c_name, vipl_id_default)

    hdferr = 0
    IF(vol_id.LT.0) hdferr = H5I_INVALID_HID_F

  END SUBROUTINE H5VLregister_connector_by_name_f
!>
!! \ingroup FH5VL
!!
!! \brief Registers a new VOL connector by value.
!!
!! \param connector_value Connector value
!! \param vol_id          VOL connector identifier if successful; otherwise returns H5I_INVALID_HID_F
!! \param hdferr          \fortran_error
!! \param vipl_id         VOL initialization property list identifier
!!
!! See C API: @ref H5VLregister_connector_by_value()
!!
  SUBROUTINE H5VLregister_connector_by_value_f(connector_value, vol_id, hdferr, vipl_id)
    IMPLICIT NONE
    INTEGER, INTENT(IN) :: connector_value
    INTEGER(HID_T), INTENT(OUT) :: vol_id
    INTEGER, INTENT(OUT) :: hdferr
    INTEGER(HID_T), INTENT(IN), OPTIONAL :: vipl_id
    INTEGER(HID_T) :: vipl_id_default

    INTERFACE
       INTEGER(HID_T) FUNCTION H5VLregister_connector_by_value(connector_value, vipl_id) &
            BIND(C,NAME='H5VLregister_connector_by_value')
         IMPORT :: HID_T
         IMPORT :: C_INT
         INTEGER(C_INT), VALUE :: connector_value
         INTEGER(HID_T), VALUE :: vipl_id
       END FUNCTION H5VLregister_connector_by_value
    END INTERFACE

    vipl_id_default = H5P_DEFAULT_F
    IF(PRESENT(vipl_id)) vipl_id_default = vipl_id

    vol_id = H5VLregister_connector_by_value(INT(connector_value,C_INT), vipl_id_default)

    hdferr = 0
    IF(vol_id.LT.0) hdferr = H5I_INVALID_HID_F

  END SUBROUTINE H5VLregister_connector_by_value_f

!>
!! \ingroup FH5VL
!!
!! \brief Determines whether a VOL class has been registered or not ccording to a specified connector name.
!!
!! \param name       \fortran_vol_name
!! \param registered State of VOL class registration
!! \param hdferr     \fortran_error
!!
!! See C API: @ref H5VLis_connector_registered_by_name()
!!
  SUBROUTINE H5VLis_connector_registered_by_name_f(name, registered,  hdferr)
    IMPLICIT NONE
    CHARACTER(LEN=*), INTENT(IN) :: name
    LOGICAL, INTENT(OUT) :: registered
    INTEGER, INTENT(OUT) :: hdferr
    CHARACTER(LEN=LEN_TRIM(name)+1,KIND=C_CHAR) :: c_name
    INTEGER(C_INT) :: registered_c

    INTERFACE
       INTEGER(C_INT) FUNCTION H5VLis_connector_registered_by_name(name) BIND(C,NAME='H5VLis_connector_registered_by_name')
         IMPORT :: C_CHAR
         IMPORT :: C_INT
         CHARACTER(KIND=C_CHAR), DIMENSION(*) :: name
       END FUNCTION H5VLis_connector_registered_by_name
    END INTERFACE

    c_name = TRIM(name)//C_NULL_CHAR
    registered_c = H5VLis_connector_registered_by_name(c_name)

    hdferr = 0
    registered = .FALSE.
    IF(registered_c .GT. 0) registered = .TRUE.
    IF(registered_c .LT. 0) hdferr = INT(registered_c)

  END SUBROUTINE H5VLis_connector_registered_by_name_f

!>
!! \ingroup FH5VL
!!
!! \brief Determines whether a VOL class has been registered or not according to a specified connector value (ID).
!!
!! \param value      Connector value
!! \param registered State of VOL class registration
!! \param hdferr     \fortran_error
!!
!! See C API: @ref H5VLis_connector_registered_by_value()
!!
  SUBROUTINE H5VLis_connector_registered_by_value_f(value, registered,  hdferr)
    IMPLICIT NONE
    INTEGER, INTENT(IN) :: value
    LOGICAL, INTENT(OUT) :: registered
    INTEGER, INTENT(OUT) :: hdferr
    INTEGER(C_INT) :: registered_c

    INTERFACE
       INTEGER(C_INT) FUNCTION H5VLis_connector_registered_by_value(value) BIND(C,NAME='H5VLis_connector_registered_by_value')
         IMPORT :: C_INT
         INTEGER(C_INT), VALUE :: value
       END FUNCTION H5VLis_connector_registered_by_value
    END INTERFACE

    registered_c = H5VLis_connector_registered_by_value(INT(value,C_INT))

    hdferr = 0
    registered = .FALSE.
    IF(registered_c .GT. 0) registered = .TRUE.
    IF(registered_c .LT. 0) hdferr = INT(registered_c)

  END SUBROUTINE H5VLis_connector_registered_by_value_f

!>
!! \ingroup FH5VL
!!
!! \brief Retrieves the ID for a registered VOL connector.
!!
!! \param obj_id Object id
!! \param vol_id Connector id.
!! \param hdferr \fortran_error
!!
!! See C API: @ref H5VLget_connector_id()
!!
  SUBROUTINE H5VLget_connector_id_f(obj_id, vol_id, hdferr)
    IMPLICIT NONE
    INTEGER(HID_T), INTENT(IN) :: obj_id
    INTEGER(HID_T), INTENT(OUT) :: vol_id
    INTEGER, INTENT(OUT) :: hdferr

    INTERFACE
       INTEGER(HID_T) FUNCTION H5VLget_connector_id(obj_id) BIND(C,NAME='H5VLget_connector_id')
         IMPORT :: HID_T
         INTEGER(HID_T), VALUE :: obj_id
       END FUNCTION H5VLget_connector_id
    END INTERFACE

    vol_id = H5VLget_connector_id(obj_id)

    IF(vol_id.LT.0)THEN
       hdferr = -1
       vol_id = H5I_INVALID_HID_F
    ENDIF

  END SUBROUTINE H5VLget_connector_id_f

!>
!! \ingroup FH5VL
!!
!! \brief Retrieves the ID for a registered VOL connector.
!!
!! \param name   \fortran_vol_name
!! \param vol_id Connector id.
!! \param hdferr \fortran_error
!!
!! See C API: @ref H5VLget_connector_id_by_name()
!!
  SUBROUTINE H5VLget_connector_id_by_name_f(name, vol_id, hdferr)
    IMPLICIT NONE
    CHARACTER(LEN=*), INTENT(IN) :: name
    INTEGER(HID_T), INTENT(OUT) :: vol_id
    INTEGER, INTENT(OUT) :: hdferr
    CHARACTER(LEN=LEN_TRIM(name)+1,KIND=C_CHAR) :: c_name

    INTERFACE
       INTEGER(HID_T) FUNCTION H5VLget_connector_id_by_name(name) BIND(C,NAME='H5VLget_connector_id_by_name')
         IMPORT :: C_CHAR
         IMPORT :: HID_T
         CHARACTER(KIND=C_CHAR), DIMENSION(*) :: name
       END FUNCTION H5VLget_connector_id_by_name
    END INTERFACE

    c_name = TRIM(name)//C_NULL_CHAR
    vol_id = H5VLget_connector_id_by_name(c_name)

    hdferr = 0
    IF(vol_id.LT.0)THEN
       hdferr = -1
       vol_id = H5I_INVALID_HID_F
    ENDIF

  END SUBROUTINE H5VLget_connector_id_by_name_f

!>
!! \ingroup FH5VL
!!
!! \brief Retrieves the ID for a registered VOL connector.
!!
!! \param value  Connector value
!! \param vol_id Connector id
!! \param hdferr \fortran_error
!!
!! See C API: @ref H5VLget_connector_id_by_value()
!!
  SUBROUTINE H5VLget_connector_id_by_value_f(value, vol_id, hdferr)
    IMPLICIT NONE
    INTEGER, INTENT(IN) :: value
    INTEGER(HID_T), INTENT(OUT) :: vol_id
    INTEGER, INTENT(OUT) :: hdferr
    INTERFACE
       INTEGER(HID_T) FUNCTION H5VLget_connector_id_by_value(value) BIND(C,NAME='H5VLget_connector_id_by_value')
         IMPORT :: C_INT
         IMPORT :: HID_T
         INTEGER(C_INT), VALUE :: value
       END FUNCTION H5VLget_connector_id_by_value
    END INTERFACE

    vol_id = H5VLget_connector_id_by_value(INT(value,C_INT))

    hdferr = 0
    IF(vol_id.LT.0)THEN
       hdferr = -1
       vol_id = H5I_INVALID_HID_F
    ENDIF

  END SUBROUTINE H5VLget_connector_id_by_value_f
!>
!! \ingroup FH5VL
!!
!! \brief Retrieves a connector name for a VOL.
!!
!! \param obj_id   Object identifier or file identifier
!! \param name     \fortran_vol_name
!! \param hdferr   \fortran_error
!! \param name_len Maximum length of the name to retrieve
!!
!! See C API: @ref H5VLget_connector_name()
!!
  SUBROUTINE H5VLget_connector_name_f(obj_id, name, hdferr, name_len)
    IMPLICIT NONE
    INTEGER(HID_T), INTENT(IN) :: obj_id
    CHARACTER(LEN=*), INTENT(OUT) :: name
    INTEGER, INTENT(OUT) :: hdferr
    INTEGER(SIZE_T), OPTIONAL     :: name_len
    CHARACTER(LEN=1,KIND=C_CHAR), DIMENSION(1:LEN(name)+1), TARGET :: c_name
    INTEGER(SIZE_T) :: l

    INTERFACE
       INTEGER(SIZE_T) FUNCTION H5VLget_connector_name(obj_id, name, size) BIND(C,NAME='H5VLget_connector_name')
         IMPORT :: HID_T, SIZE_T, C_PTR, C_CHAR
         IMPLICIT NONE
         INTEGER(HID_T) , VALUE :: obj_id
         CHARACTER(KIND=C_CHAR), DIMENSION(*) :: name
         INTEGER(SIZE_T), VALUE :: size
       END FUNCTION H5VLget_connector_name
    END INTERFACE

    hdferr = 0
    IF(PRESENT(name_len))THEN
       c_name(1:1)(1:1) = C_NULL_CHAR
       name_len = INT(H5VLget_connector_name(obj_id, c_name, 1_SIZE_T), SIZE_T)
       IF(name_len.LT.0) hdferr = H5I_INVALID_HID_F
    ELSE
       l = INT(LEN(name)+1,SIZE_T)
       IF(INT(H5VLget_connector_name(obj_id, c_name, l), SIZE_T).LT.0)THEN
          hdferr = H5I_INVALID_HID_F
       ELSE
          CALL HD5c2fstring(name,c_name,LEN(name))
       ENDIF
    ENDIF

  END SUBROUTINE H5VLget_connector_name_f

!>
!! \ingroup FH5VL
!!
!! \brief Closes a VOL connector ID.
!!
!! \param vol_id A valid identifier of the connectory to unregister
!! \param hdferr \fortran_error
!!
!! See C API: @ref H5VLclose()
!!
  SUBROUTINE H5VLclose_f(vol_id, hdferr)
    IMPLICIT NONE
    INTEGER(HID_T), INTENT(IN) :: vol_id
    INTEGER, INTENT(OUT) :: hdferr

    INTERFACE
       INTEGER FUNCTION H5VLclose(vol_id) BIND(C, NAME='H5VLclose')
         IMPORT :: HID_T
         INTEGER(HID_T), VALUE :: vol_id
       END FUNCTION H5VLclose
    END INTERFACE

    hdferr = INT(H5VLclose(vol_id))

  END SUBROUTINE H5VLclose_f

!>
!! \ingroup FH5VL
!!
!! \brief Removes a VOL connector ID from the library.
!!
!! \param plugin_id A valid identifier of the connector to unregister
!! \param hdferr    \fortran_error
!!
!! See C API: @ref H5VLunregister_connector()
!!
  SUBROUTINE H5VLunregister_connector_f(plugin_id, hdferr)
    IMPLICIT NONE
    INTEGER(HID_T), INTENT(IN) :: plugin_id
    INTEGER, INTENT(OUT) :: hdferr

    INTERFACE
       INTEGER FUNCTION H5VLunregister_connector(plugin_id) BIND(C, NAME='H5VLunregister_connector')
         IMPORT :: HID_T
         INTEGER(HID_T), VALUE :: plugin_id
       END FUNCTION H5VLunregister_connector
    END INTERFACE

    hdferr = INT(H5VLunregister_connector(plugin_id))

  END SUBROUTINE H5VLunregister_connector_f

END MODULE H5VL