open_file.F90

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!SFX_LIC Copyright 1994-2014 CNRS, Meteo-France and Universite Paul Sabatier
!SFX_LIC This is part of the SURFEX software governed by the CeCILL-C licence
!SFX_LIC version 1. See LICENSE, CeCILL-C_V1-en.txt and CeCILL-C_V1-fr.txt  
!SFX_LIC for details. version 1.
!     #########
      SUBROUTINE open_file(HPROGRAM,KUNIT,HFILE,HFORM,HACTION,HACCESS,KRECL)
!     #######################################################
!
!!****  *OPEN_FILE* - routine to open a namelist file
!!
!!    PURPOSE
!!    -------
!!
!!**  METHOD
!!    ------
!!
!!    EXTERNAL
!!    --------
!!
!!
!!    IMPLICIT ARGUMENTS
!!    ------------------
!!
!!    REFERENCE
!!    ---------
!!
!!
!!    AUTHOR
!!    ------
!!      V. Masson   *Meteo France*
!!
!!    MODIFICATIONS
!!    -------------
!!      Original    01/2003 
!-------------------------------------------------------------------------------
!
!*       0.    DECLARATIONS
!              ------------
!
#if defined(SFX_ASC) || defined(SFX_ARO) || defined(SFX_MNH) || defined(SFX_NC)
USE modi_open_file_asc
#endif
#ifdef SFX_FA
USE modi_open_file_fa
#endif
#ifdef SFX_LFI
USE modi_open_file_lfi
#endif
#ifdef SFX_NC
USE modi_open_file_nc
#endif
#ifdef SFX_OL
USE modi_open_file_ol
#endif
#ifdef SFX_MNH
USE modi_open_file_mnh
#endif
!
USE yomhook ,ONLY : lhook, dr_hook
USE parkind1 ,ONLY : jprb
!
IMPLICIT NONE
!
!*       0.1   Declarations of arguments
!              -------------------------
!
 CHARACTER(LEN=6),  INTENT(IN)           :: HPROGRAM ! main program
INTEGER,           INTENT(OUT)          :: KUNIT    ! logical unit
 CHARACTER(LEN=*),  INTENT(IN)           :: HFILE    ! file to open
 CHARACTER(LEN=*),  INTENT(IN)           :: HFORM    ! type of file
 CHARACTER(LEN=*),  INTENT(IN), OPTIONAL :: HACTION  ! action
 CHARACTER(LEN=*),  INTENT(IN), OPTIONAL :: HACCESS  ! access type
INTEGER,           INTENT(IN), OPTIONAL :: KRECL    ! record length

!
!*       0.2   Declarations of local variables
!              -------------------------------
!
 CHARACTER(LEN=28) :: YFILE
 CHARACTER(LEN=11) :: YFORM
 CHARACTER(LEN=9)  :: YACTION
 CHARACTER(LEN=6)  :: YACCESS
INTEGER           :: IRECL
REAL(KIND=JPRB) :: ZHOOK_HANDLE
!
!-------------------------------------------------------------------------------
!
IF (lhook) CALL dr_hook('OPEN_FILE',0,zhook_handle)
!
yfile = hfile
yform = hform
IF (PRESENT(haction)) THEN
  yaction = haction
ELSE
  yaction = 'READWRITE'
END IF
IF (PRESENT(haccess)) THEN
  yaccess = haccess
ELSE
  yaccess = '      '
END IF
IF (PRESENT(krecl)) THEN
  irecl = krecl
ELSE
  irecl = 0
END IF
!
IF (hprogram=='MESONH') THEN
#ifdef SFX_MNH
  CALL open_file_mnh(kunit,yfile,yform,yaction,yaccess,irecl)
#endif
ELSE IF (hprogram=='OFFLIN') THEN
#ifdef SFX_OL
  CALL open_file_ol(kunit,yfile,yform,yaction,yaccess,irecl)
#endif
ELSE IF (hprogram=='ASCII ' .OR. hprogram=='AROME ') THEN
#if defined(SFX_ASC) || defined(SFX_ARO) || defined(SFX_MNH) || defined(SFX_NC)
  CALL open_file_asc(kunit,yfile,yform,yaction,yaccess,irecl)
#endif
ELSE IF (hprogram=='FA    ') THEN
#ifdef SFX_FA
  CALL open_file_fa(kunit,yfile,yform,yaction,yaccess,irecl)
#endif
ELSE IF (hprogram=='NC    ') THEN
#ifdef SFX_NC
  CALL open_file_nc(kunit,yfile,yform,yaction,yaccess,irecl)
#endif
ELSE IF (hprogram=='LFI   ') THEN
#ifdef SFX_LFI
  CALL open_file_lfi(kunit,yfile,yform,yaction,yaccess,'ASIS  ',irecl)
#endif
END IF
!
IF (lhook) CALL dr_hook('OPEN_FILE',1,zhook_handle)
!
!-------------------------------------------------------------------------------
!
END SUBROUTINE open_file