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!> @defgroup FH5I Fortran Identifier (H5I) Interface
!!
!! @see H5I, C-API
!!
!! @see @ref H5I_UG, User Guide
!!
!> @ingroup FH5I
!!
!! @brief This module contains Fortran interfaces for H5I 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 H5I 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 H5I
USE, INTRINSIC :: ISO_C_BINDING, ONLY : C_PTR, C_CHAR
USE H5GLOBAL
CONTAINS
!>
!! \ingroup FH5I
!!
!! \brief Retrieves the type of an object.
!!
!! \param obj_id Object identifier.
!! \param type Type of the object, possible values:
!! \li H5I_FILE_F
!! \li H5I_GROUP_F
!! \li H5I_DATATYPE_F
!! \li H5I_DATASPACE_F
!! \li H5I_DATASET_F
!! \li H5I_ATTR_F
!! \li H5I_BADID_F
!! \param hdferr \fortran_error
!!
!! See C API: @ref H5Iget_type()
!!
SUBROUTINE h5iget_type_f(obj_id, TYPE, hdferr)
IMPLICIT NONE
INTEGER(HID_T), INTENT(IN) :: obj_id
INTEGER, INTENT(OUT) :: TYPE
INTEGER, INTENT(OUT) :: hdferr
INTERFACE
INTEGER FUNCTION h5iget_type_c(obj_id, TYPE) BIND(C, NAME='h5iget_type_c')
IMPORT :: HID_T
IMPLICIT NONE
INTEGER(HID_T), INTENT(IN) :: obj_id
INTEGER, INTENT(OUT) :: TYPE
END FUNCTION h5iget_type_c
END INTERFACE
hdferr = h5iget_type_c(obj_id, TYPE)
END SUBROUTINE h5iget_type_f
!>
!! \ingroup FH5I
!!
!! \brief Gets a name of an object specified by its identifier.
!!
!! \param obj_id Attribute identifier.
!! \param buf_size Size of a buffer to read name in.
!! \param buf Buffer to read name in, name will be truncated if buffer is not big enough.
!! \param name_size Name size.
!! \param hdferr \fortran_error
!!
!! See C API: @ref H5Iget_name()
!!
SUBROUTINE h5iget_name_f(obj_id, buf, buf_size, name_size, hdferr)
IMPLICIT NONE
INTEGER(HID_T), INTENT(IN) :: obj_id
INTEGER(SIZE_T), INTENT(IN) :: buf_size
CHARACTER(LEN=*), INTENT(OUT) :: buf
INTEGER(SIZE_T), INTENT(OUT) :: name_size
INTEGER, INTENT(OUT) :: hdferr
INTERFACE
INTEGER FUNCTION h5iget_name_c(obj_id, buf, buf_size, name_size) BIND(C, NAME='h5iget_name_c')
IMPORT :: C_CHAR
IMPORT :: HID_T, SIZE_T
IMPLICIT NONE
INTEGER(HID_T), INTENT(IN) :: obj_id
CHARACTER(KIND=C_CHAR), DIMENSION(*), INTENT(OUT) :: buf
INTEGER(SIZE_T), INTENT(IN) :: buf_size
INTEGER(SIZE_T), INTENT(OUT) :: name_size
END FUNCTION h5iget_name_c
END INTERFACE
hdferr = h5iget_name_c(obj_id, buf, buf_size, name_size)
END SUBROUTINE h5iget_name_f
!>
!! \ingroup FH5I
!!
!! \brief Increments the reference count of an ID.
!!
!! \param obj_id Object identifier.
!! \param ref_count Current reference count of the ID.
!! \param hdferr \fortran_error
!!
!! See C API: @ref H5Iinc_ref()
!!
SUBROUTINE h5iinc_ref_f(obj_id, ref_count, hdferr)
IMPLICIT NONE
INTEGER(HID_T), INTENT(IN) :: obj_id
INTEGER, INTENT(OUT) :: ref_count
INTEGER, INTENT(OUT) :: hdferr
INTERFACE
INTEGER FUNCTION h5iinc_ref_c(obj_id, ref_count) BIND(C, NAME='h5iinc_ref_c')
IMPORT :: HID_T
IMPLICIT NONE
INTEGER(HID_T), INTENT(IN) :: obj_id
INTEGER, INTENT(OUT) :: ref_count
END FUNCTION h5iinc_ref_c
END INTERFACE
hdferr = h5iinc_ref_c(obj_id, ref_count)
END SUBROUTINE h5iinc_ref_f
!>
!! \ingroup FH5I
!!
!! \brief Decrements the reference count of an ID.
!!
!! \param obj_id Object identifier.
!! \param ref_count Current reference count of the ID.
!! \param hdferr \fortran_error
!!
!! See C API: @ref H5Idec_ref()
!!
SUBROUTINE h5idec_ref_f(obj_id, ref_count, hdferr)
IMPLICIT NONE
INTEGER(HID_T), INTENT(IN) :: obj_id
INTEGER, INTENT(OUT) :: ref_count
INTEGER, INTENT(OUT) :: hdferr
INTERFACE
INTEGER FUNCTION h5idec_ref_c(obj_id, ref_count) BIND(C, NAME='h5idec_ref_c')
IMPORT :: HID_T
IMPLICIT NONE
INTEGER(HID_T), INTENT(IN) :: obj_id
INTEGER, INTENT(OUT) :: ref_count
END FUNCTION h5idec_ref_c
END INTERFACE
hdferr = h5idec_ref_c(obj_id, ref_count)
END SUBROUTINE h5idec_ref_f
!>
!! \ingroup FH5I
!!
!! \brief Retrieves the reference count of an ID.
!!
!! \param obj_id Object identifier.
!! \param ref_count Current reference count of the ID.
!! \param hdferr \fortran_error
!!
!! See C API: @ref H5Iget_ref()
!!
SUBROUTINE h5iget_ref_f(obj_id, ref_count, hdferr)
IMPLICIT NONE
INTEGER(HID_T), INTENT(IN) :: obj_id
INTEGER, INTENT(OUT) :: ref_count
INTEGER, INTENT(OUT) :: hdferr
INTERFACE
INTEGER FUNCTION h5iget_ref_c(obj_id, ref_count) BIND(C, NAME='h5iget_ref_c')
IMPORT :: HID_T
IMPLICIT NONE
INTEGER(HID_T), INTENT(IN) :: obj_id
INTEGER, INTENT(OUT) :: ref_count
END FUNCTION h5iget_ref_c
END INTERFACE
hdferr = h5iget_ref_c(obj_id, ref_count)
END SUBROUTINE h5iget_ref_f
!>
!! \ingroup FH5I
!!
!! \brief Obtains file identifier from the object identifier.
!!
!! \param obj_id Object identifier.
!! \param file_id File identifier.
!! \param hdferr \fortran_error
!!
!! See C API: @ref H5Iget_file_id()
!!
SUBROUTINE h5iget_file_id_f(obj_id, file_id, hdferr)
IMPLICIT NONE
INTEGER(HID_T), INTENT(IN) :: obj_id
INTEGER(HID_T), INTENT(OUT) :: file_id
INTEGER, INTENT(OUT) :: hdferr
INTERFACE
INTEGER FUNCTION h5iget_file_id_c(obj_id, file_id) BIND(C, NAME='h5iget_file_id_c')
IMPORT :: HID_T
IMPLICIT NONE
INTEGER(HID_T), INTENT(IN) :: obj_id
INTEGER(HID_T), INTENT(OUT) :: file_id
END FUNCTION h5iget_file_id_c
END INTERFACE
hdferr = h5iget_file_id_c(obj_id, file_id)
END SUBROUTINE h5iget_file_id_f
!>
!! \ingroup FH5I
!!
!! \brief Check if an ID is valid without producing an error message.
!!
!! \param id Identifier.
!! \param valid Status of id as a valid identifier.
!! \param hdferr \fortran_error
!!
!! See C API: @ref H5Iis_valid()
!!
SUBROUTINE h5iis_valid_f(id, valid, hdferr)
IMPLICIT NONE
INTEGER(HID_T), INTENT(IN) :: id
LOGICAL, INTENT(OUT) :: valid
INTEGER, INTENT(OUT) :: hdferr
INTEGER :: c_valid ! 0 = .false, 1 = .true.
INTERFACE
INTEGER FUNCTION h5iis_valid_c(id, c_valid) BIND(C, NAME='h5iis_valid_c')
IMPORT :: HID_T
IMPLICIT NONE
INTEGER(HID_T), INTENT(IN) :: id
INTEGER :: c_valid
END FUNCTION h5iis_valid_c
END INTERFACE
hdferr = h5iis_valid_c(id, c_valid)
valid = .FALSE. ! Default
IF(c_valid.EQ.1) valid = .TRUE.
END SUBROUTINE h5iis_valid_f
END MODULE H5I
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