dccaldateinquire.f90

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! -*- mode: f90; coding: utf-8 -*-
!-----------------------------------------------------------------------
! Copyright (c) 2000-2026 Gtool Development Group. All rights reserved.
!-----------------------------------------------------------------------
 
subroutine dccaldateinquire1( year, month, day, hour, min, sec, zone, &
  & elapse_sec, date, cal, err )
 
  use dc_calendar_types, only: dc_cal, dc_cal_date
  use dc_calendar_internal, only: default_cal, default_cal_set, default_date, &
    & dccaldate_normalize
  use dc_calendar_generic, only: dccaldatetochar, dccaltochar
  use dc_message, only: messagenotify
  use dc_string, only: lchar
  use dc_trace, only: beginsub, endsub
  use dc_error, only: storeerror, dc_noerr, dc_enotinit, &
    & dc_einconsistcaldate
  use dc_types, only: string, dp, token
  implicit none
  integer, intent(out), optional:: year
  integer, intent(out), optional:: month
  integer, intent(out), optional:: day
  integer, intent(out), optional:: hour
  integer, intent(out), optional:: min
  real(DP), intent(out), optional:: sec
  character(*), intent(out), optional:: zone
  real(DP), intent(in), optional:: elapse_sec
  type(dc_cal_date), intent(in), optional, target:: date
  type(dc_cal), intent(in), optional, target:: cal
  logical, intent(out), optional:: err
 
  ! 作業変数
  ! Work variables
  !
  integer:: wyear, wmonth, wday, whour, wmin
  real(DP):: wsec
  character(TOKEN):: wzone
  type(dc_cal_date), pointer:: datep =>null()
  type(dc_cal), pointer:: calp =>null()
  character(STRING):: e_date_str, e_cal_str
  integer:: stat
  character(STRING):: cause_c
  character(*), parameter:: subname = 'DCCalInquire1'
continue
  call beginsub( subname )
  stat = dc_noerr
  cause_c = ''
 
  ! オブジェクトのポインタ割付
  ! Associate pointer of an object
  !
  if ( present( date ) ) then
    datep => date
  else
    datep => default_date
  end if
 
  if ( present( cal ) ) then
    calp => cal
  else
    calp => default_cal
    if ( .not. calp % initialized ) call default_cal_set
  end if
 
  ! 初期設定のチェック
  ! Check initialization
  !
  if ( .not. datep % initialized ) then
    stat = dc_enotinit
    cause_c = 'DC_CAL_DATE'
    goto 999
  end if
 
  if ( .not. calp % initialized ) then
    stat = dc_enotinit
    cause_c = 'DC_CAL'
    goto 999
  end if
 
  ! 各要素への値の参照
  ! Refer elements
  !
  wyear  = datep % year
  wmonth = datep % month
  wday   = datep % day
  whour  = datep % hour
  wmin   = datep % min
  wsec   = datep % sec
  wzone  = datep % zone
 
  ! 経過時間(秒)の追加
  ! Add elapsed time (seconds)
  !
  if ( present( elapse_sec ) ) then
!!$    if ( elapse_sec < 0.0_DP ) then
!!$      stat = DC_ENEGATIVE
!!$      cause_c = 'elapse_sec'
!!$      goto 999
!!$    end if
 
    wsec = wsec + elapse_sec
  end if
 
  ! 日時の正規化
  ! Normalize date and time
  !
  stat = dccaldate_normalize( wyear, wmonth, wday, whour, wmin, wsec, & ! (inout)
    &                         calp )                                    ! (in)
  if ( stat == dc_einconsistcaldate ) then
    e_cal_str = dccaltochar( calp )
    e_date_str = dccaldatetochar( wyear, wmonth, wday, whour, wmin, wsec, wzone )
    call messagenotify('W', subname, 'cal=<%c> and date=<%c> are inconsistency', &
      & c1 = trim(e_cal_str), c2 = trim(e_date_str) )
    goto 999
  end if
 
  ! 引数への代入
  ! Substitute arguments
  !
  if ( present(year ) ) year  = wyear
  if ( present(month) ) month = wmonth
  if ( present(day  ) ) day   = wday
  if ( present(hour ) ) hour  = whour
  if ( present(min  ) ) min   = wmin
  if ( present(sec  ) ) sec   = wsec
  if ( present(zone ) ) zone  = wzone
 
  ! 終了処理, 例外処理
  ! Termination and Exception handling
  !
999 continue
  nullify( calp, datep )
  call storeerror( stat, subname, err, cause_c )
  call endsub( subname )
end subroutine dccaldateinquire1
 
subroutine dccaldateinquire2( date_str, elapse_sec, date, cal, err )
 
  use dc_calendar_generic, only: dccaldatetochar
  use dc_calendar_types, only: dc_cal, dc_cal_date
  use dc_calendar_internal, only: default_cal, default_cal_set, default_date, &
    & dccaldate_normalize
  use dc_calendar_generic, only: dccaldatetochar, dccaltochar
  use dc_message, only: messagenotify
  use dc_string, only: lchar
  use dc_trace, only: beginsub, endsub
  use dc_error, only: storeerror, dc_noerr, dc_enotinit, &
    & dc_einconsistcaldate
  use dc_types, only: string, dp, token
  implicit none
  character(*), intent(out):: date_str
  real(DP), intent(in), optional:: elapse_sec
  type(dc_cal_date), intent(in), optional, target:: date
  type(dc_cal), intent(in), optional, target:: cal
  logical, intent(out), optional:: err
 
  ! 作業変数
  ! Work variables
  !
  integer:: year, month, day, hour, min
  real(DP):: sec
  character(TOKEN):: zone
  type(dc_cal_date), pointer:: datep =>null()
  type(dc_cal), pointer:: calp =>null()
  character(STRING):: e_date_str, e_cal_str
  integer:: stat
  character(STRING):: cause_c
  character(*), parameter:: subname = 'DCCalInquire2'
continue
  call beginsub( subname )
  stat = dc_noerr
  cause_c = ''
 
  ! オブジェクトのポインタ割付
  ! Associate pointer of an object
  !
  if ( present( date ) ) then
    datep => date
  else
    datep => default_date
  end if
 
  if ( present( cal ) ) then
    calp => cal
  else
    calp => default_cal
    if ( .not. calp % initialized ) call default_cal_set
  end if
 
  ! 初期設定のチェック
  ! Check initialization
  !
  if ( .not. datep % initialized ) then
    stat = dc_enotinit
    cause_c = 'DC_CAL_DATE'
    goto 999
  end if
 
  if ( .not. calp % initialized ) then
    stat = dc_enotinit
    cause_c = 'DC_CAL'
    goto 999
  end if
 
  ! 各要素の取得
  ! Get elements
  !
  year  = datep % year
  month = datep % month
  day   = datep % day
  hour  = datep % hour
  min   = datep % min
  sec   = datep % sec
  zone  = datep % zone
 
 
  ! 経過時間(秒)の追加
  ! Add elapsed time (seconds)
  !
  if ( present( elapse_sec ) ) then
!!$    if ( elapse_sec < 0.0_DP ) then
!!$      stat = DC_ENEGATIVE
!!$      cause_c = 'elapse_sec'
!!$      goto 999
!!$    end if
 
    sec = sec + elapse_sec
  end if
 
  ! 日時の正規化
  ! Normalize date and time
  !
  stat = dccaldate_normalize( year, month, day, hour, min, sec, & ! (inout)
    &                         calp )                              ! (in)
  if ( stat == dc_einconsistcaldate ) then
    e_cal_str = dccaltochar( calp )
    e_date_str = dccaldatetochar( year, month, day, hour, min, sec, zone )
    call messagenotify('W', subname, 'cal=<%c> and date=<%c> are inconsistency', &
      & c1 = trim(e_cal_str), c2 = trim(e_date_str) )
    goto 999
  end if
 
  ! 日時表記（gtool4 netCDF 規約 5.5 日時形式）への変換
  ! Convert expression of date (gtool4 netCDF Convention 5.5 Expression of date and time)
  !
  date_str = dccaldatetochar( year, month, day, hour, min, sec, zone )
 
  ! 終了処理, 例外処理
  ! Termination and Exception handling
  !
999 continue
  nullify( calp, datep )
  call storeerror( stat, subname, err, cause_c )
  call endsub( subname )
end subroutine dccaldateinquire2