file.f90

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module file
  use utils, only : neko_error, neko_warning, filename_suffix
  use num_types, only : rp
  use generic_file, only : generic_file_t
  use nmsh_file, only : nmsh_file_t
  use chkp_file, only : chkp_file_t
  use map_file, only : map_file_t
  use rea_file, only : rea_file_t
  use re2_file, only : re2_file_t
  use fld_file, only : fld_file_t
  use fld_file_data, only : fld_file_data_t
  use vtk_file, only : vtk_file_t
  use stl_file, only : stl_file_t
  use csv_file, only : csv_file_t
  use hdf5_file, only : hdf5_file_t
  implicit none
 
  type file_t
     class(generic_file_t), allocatable :: file_type
   contains
     procedure :: write => file_write
     procedure :: read => file_read
     procedure :: set_counter => file_set_counter
     procedure :: set_start_counter => file_set_start_counter
     procedure :: set_header => file_set_header
     procedure :: set_precision => file_set_precision
     final :: file_free
  end type file_t
 
  interface file_t
     module procedure file_init
  end interface file_t
 
contains
 
  function file_init(fname, header, precision) result(this)
    character(len=*) :: fname
    character(len=*), optional :: header
    integer, optional :: precision
    type(file_t), target :: this
    character(len=80) :: suffix
    class(generic_file_t), pointer :: q
 
    call filename_suffix(fname, suffix)
 
    if (allocated(this%file_type)) then
       deallocate(this%file_type)
    end if
 
    if (suffix .eq. "rea") then
       allocate(rea_file_t::this%file_type)
    else if (suffix .eq. "re2") then
       allocate(re2_file_t::this%file_type)
    else if (suffix .eq. "map") then
       allocate(map_file_t::this%file_type)
    else if (suffix .eq. "vtk") then
       allocate(vtk_file_t::this%file_type)
    else if (suffix .eq. "nmsh") then
       allocate(nmsh_file_t::this%file_type)
    else if (suffix .eq. "fld") then
       allocate(fld_file_t::this%file_type)
    else if (suffix .eq. "chkp") then
       allocate(chkp_file_t::this%file_type)
    else if (suffix .eq. "stl") then
       allocate(stl_file_t::this%file_type)
    else if (suffix .eq. "csv") then
       allocate(csv_file_t::this%file_type)
       this%file_type%serial = .true.
    else if ((suffix .eq. "hdf5") .or. (suffix .eq. "h5")) then
       allocate(hdf5_file_t::this%file_type)
    else
       call neko_error('Unknown file format')
    end if
 
    call this%file_type%init(fname)
 
    if (present(header)) then
       call this%set_header(header)
    end if
 
    if (present(precision)) then
       call this%set_precision(precision)
    end if
 
  end function file_init
 
  subroutine file_free(this)
    type(file_t), intent(inout) :: this
 
    if (allocated(this%file_type)) then
       deallocate(this%file_type)
    end if
 
  end subroutine file_free
 
  subroutine file_write(this, data, t)
    class(file_t), intent(inout) :: this
    class(*), intent(inout) :: data
    real(kind=rp), intent(in), optional :: t
 
    if (present(t)) then
       call this%file_type%write(data, t)
    else
       call this%file_type%write(data)
    end if
 
  end subroutine file_write
 
  subroutine file_read(this, data)
    class(file_t), intent(in) :: this
    class(*), intent(inout) :: data
 
    call this%file_type%read(data)
 
  end subroutine file_read
 
  subroutine file_set_counter(this, n)
    class(file_t), intent(inout) :: this
    integer, intent(in) :: n
 
    select type(ft => this%file_type)
    class is (generic_file_t)
       call ft%set_counter(n)
    end select
 
  end subroutine file_set_counter
 
  subroutine file_set_start_counter(this, n)
    class(file_t), intent(inout) :: this
    integer, intent(in) :: n
 
    select type(ft => this%file_type)
    class is (generic_file_t)
       call ft%set_start_counter(n)
    end select
 
  end subroutine file_set_start_counter
 
  subroutine file_set_header(this, hd)
    class(file_t), intent(inout) :: this
    character(len=*), intent(in) :: hd
 
    character(len=80) :: suffix
 
    select type(ft => this%file_type)
    class is (csv_file_t)
       call ft%set_header(hd)
    class default
       call filename_suffix(this%file_type%fname, suffix)
       call neko_warning("No set_header defined for " // trim(suffix) // " yet!")
    end select
 
  end subroutine file_set_header
 
  subroutine file_set_precision(this, precision)
    class(file_t), intent(inout) :: this
    integer, intent(in) :: precision
 
    character(len=80) :: suffix
 
    select type(ft => this%file_type)
    type is (fld_file_t)
       call ft%set_precision(precision)
    class default
       call filename_suffix(this%file_type%fname, suffix)
       call neko_warning("No precision strategy defined for " // trim(suffix) //&
            " files!")
    end select
 
  end subroutine file_set_precision
 
end module file