gtvarcopyattr.f90

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subroutine gtvarcopyattr(to, attrname, from, err)
  use gtdata_types, only: gt_variable
  use gtdata_generic, only: get_attr, put_attr
  use gtdata_internal_map, only: var_class, vtb_class_netcdf
  use gtdata_netcdf_generic, only: copy_attr
  use gtdata_netcdf_types, only: gd_nc_variable
  use dc_trace, only: beginsub, endsub
  use dc_error, only: storeerror, dc_noerr
  use dc_types, only: string
  implicit none
  type(gt_variable), intent(inout):: to
  character(len = *), intent(in):: attrname
  type(gt_variable), intent(in):: from
  logical, intent(out), optional:: err
  character(STRING):: svalue
  integer:: from_class, from_cid, to_class, to_cid, stat
continue
  if (present(err)) err = .false.
  call beginsub('gtvarcopyattr', 'mapid to=%d from=%d name=%c', &
    & i=(/to%mapid, from%mapid/), c1=attrname)
  call var_class(from, from_class, from_cid)
  call var_class(to, to_class, to_cid)
  if (from_class == vtb_class_netcdf .and. to_class == vtb_class_netcdf) then
    call copy_attr(gd_nc_variable(to_cid), attrname, &
      & gd_nc_variable(from_cid), stat)
  else
    ! とりあえず文字列で入出力しておく
    call get_attr(from, attrname, svalue, default='')
    call put_attr(to, attrname, svalue, '', err)
    stat = dc_noerr
  endif
  call storeerror(stat, "GTVarCopyAttr", err)
  call endsub('gtvarcopyattr', 'stat = %d', i=(/stat/))
end subroutine gtvarcopyattr