gtvarclose.f90

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subroutine gtvarclose(var, err)
  use gtdata_types, only: gt_variable
  use gtdata_internal_map, only: vtb_class_netcdf, &
    & maptabdelete, map_lookup
  use gtdata_internal_vartable, only: vartabledelete, vartablelookup
  use gtdata_netcdf_generic, only: close
  use gtdata_netcdf_types, only: gd_nc_variable
  use dc_error, only: storeerror, gt_ebadvar
  use dc_trace, only: beginsub, endsub, dbgmessage
  implicit none
  type(gt_variable), intent(in), target:: var
  logical, intent(out), optional:: err
  integer:: vid, class, cid
  logical:: action, myerr
continue
  call beginsub('gtvarclose', fmt='var=%d', i=(/var%mapid/))
  call map_lookup(var, vid=vid)
  call maptabdelete(var, myerr)
  if (myerr) goto 999
  ! vid が 0 になるのは dup_dimmap で作られたハンドル
  if (vid == 0) goto 999
  call vartablelookup(vid, class, cid)
  call vartabledelete(vid, action, myerr)
  if (myerr) goto 999
  if (.not. action) then
    call dbgmessage('refcount decrement only, no close internal var')
    goto 999
  else if (class == vtb_class_netcdf) then
    call close(gd_nc_variable(cid), myerr)
    if (myerr) goto 999
  else
    call storeerror(gt_ebadvar, "GTVarClose", err)
    call endsub('GTVarClose', 'badvar')
    myerr = .true.
  endif
999 continue
  call endsub('gtvarclose')
  if (present(err)) err = myerr
end subroutine gtvarclose