dccalcreate.f90

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! -*- mode: f90; coding: utf-8 -*-
!-----------------------------------------------------------------------
! Copyright (c) 2000-2026 Gtool Development Group. All rights reserved.
!-----------------------------------------------------------------------
 
subroutine dccalcreate1( cal_type, cal, err )
 
  use dc_calendar_types, only: dc_cal, &
    & cal_cyclic, cal_noleap, cal_julian, cal_gregorian, cal_360day
  use dc_calendar_internal, only: default_cal
  use dc_message, only: messagenotify
  use dc_string, only: lchar
  use dc_trace, only: beginsub, endsub
  use dc_error, only: storeerror, dc_noerr, dc_ebadcaltype
  use dc_types, only: string, dp
  implicit none
  character(*), intent(in):: cal_type
  type(dc_cal), intent(out), optional, target:: cal
  logical, intent(out), optional:: err
 
  ! 作業変数
  ! Work variables
  !
  type(dc_cal), pointer:: calp =>null()
  integer:: stat
  character(STRING):: cause_c
  character(*), parameter:: version = &
    & '$Name:  $' // &
    & '$Id: dccalcreate.f90,v 1.4 2009-10-18 12:02:32 morikawa Exp $'
  character(*), parameter:: subname = 'DCCalCreate1'
continue
  call beginsub( subname, version )
  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( cal ) ) then
    calp => cal
  else
    calp => default_cal
  end if
 
  ! 暦の種別の正当性のチェック
  ! Validate a kind of calendar
  !
  select case( lchar(trim(cal_type)) )
  case('cyclic')
    calp % cal_type = cal_cyclic
  case('noleap')
    calp % cal_type = cal_noleap
  case('julian')
    calp % cal_type = cal_julian
  case('gregorian')
    calp % cal_type = cal_gregorian
  case('360day')
    calp % cal_type = cal_360day
  case default
    stat = dc_ebadcaltype
    call messagenotify('W', subname, &
      & 'cal_type=<%c> is invalid calender type.', &
      & c1 = trim(cal_type) )
    goto 999
  end select
 
  ! 各要素への値の設定
  ! Configure elements
  !
  allocate( calp % day_in_month(1:12) )
  calp % month_in_year = 12
  calp % hour_in_day   = 24
  calp % min_in_hour   = 60
  calp % sec_in_min    = 60.0_dp
 
  select case( calp % cal_type )
  case(cal_cyclic)
    calp % day_in_month(1:12) = &
      & (/ 31, 30, 31, 30, 31, 31, 30, 31, 30, 31, 31, 30 /)
  case(cal_noleap)
    calp % day_in_month(1:12) = &
      & (/ 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 /)
  case(cal_julian)
    calp % day_in_month(1:12) = &
      & (/ 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 /)
  case(cal_gregorian)
    calp % day_in_month(1:12) = &
      & (/ 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 /)
  case(cal_360day)
    calp % day_in_month(1:12) = &
      & (/ 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30 /)
  case default
  end select
 
  ! 終了処理, 例外処理
  ! Termination and Exception handling
  !
  calp % initialized = .true.
999 continue
  nullify( calp )
  call storeerror( stat, subname, err, cause_c )
  call endsub( subname )
end subroutine dccalcreate1
 
subroutine dccalcreate2( month_in_year, day_in_month, &
  &                      hour_in_day, min_in_hour, sec_in_min, &
  &                      cal, err )
 
  use dc_calendar_types, only: dc_cal, cal_user_defined
  use dc_calendar_internal, only: default_cal
  use dc_message, only: messagenotify
  use dc_types, only: dp
  use dc_trace, only: beginsub, endsub
  use dc_error, only: storeerror, dc_noerr, dc_ebadcaltype
  use dc_types, only: string
  implicit none
  integer, intent(in):: month_in_year
  integer, intent(in):: day_in_month(:)
  integer, intent(in):: hour_in_day
  integer, intent(in):: min_in_hour
  real(DP), intent(in):: sec_in_min
  type(dc_cal), intent(out), optional, target:: cal
  logical, intent(out), optional:: err
 
  ! 作業変数
  ! Work variables
  !
  type(dc_cal), pointer:: calp =>null()
  integer:: size_day_in_month
  integer:: stat
  character(STRING):: cause_c
  character(*), parameter:: version = &
    & '$Name:  $' // &
    & '$Id: dccalcreate.f90,v 1.4 2009-10-18 12:02:32 morikawa Exp $'
  character(*), parameter:: subname = 'DCCalCreate2'
continue
  call beginsub( subname, version )
  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( cal ) ) then
    calp => cal
  else
    calp => default_cal
  end if
 
  ! 月数の算出
  ! Evaluate number of months
  !
  size_day_in_month = size ( day_in_month )
 
  ! 引数の正当性のチェック
  ! Validate arguments
  !
  if ( .not. month_in_year == size_day_in_month ) then
    stat = dc_ebadcaltype
    call messagenotify('W', subname, &
      & 'month_in_year=<%d> is not equal to size of day_in_month=<%d>', &
      & i = (/ month_in_year, size_day_in_month /) )
    goto 999
  end if
 
  if ( month_in_year < 1 ) then
    stat = dc_ebadcaltype
    call messagenotify('W', subname, 'month_in_year=<%d> must be positive', &
      & i = (/ month_in_year /) )
    goto 999
  end if
 
  if ( hour_in_day < 1 ) then
    stat = dc_ebadcaltype
    call messagenotify('W', subname, 'hour_in_day=<%d> must be positive', &
      & i = (/ hour_in_day /) )
    goto 999
  end if
 
  if ( min_in_hour < 1 ) then
    stat = dc_ebadcaltype
    call messagenotify('W', subname, 'min_in_hour=<%d> must be positive', &
      & i = (/ min_in_hour /) )
    goto 999
  end if
 
  if ( .not. sec_in_min > 0.0_dp ) then
    stat = dc_ebadcaltype
    call messagenotify('W', subname, 'sec_in_min=<%f> must be positive', &
      & d = (/ sec_in_min /) )
    goto 999
  end if
 
  ! 各要素への値の設定
  ! Configure elements
  !
  calp % cal_type      = cal_user_defined
  calp % month_in_year = month_in_year
  allocate( calp % day_in_month(1:size_day_in_month) )
  calp % day_in_month  = day_in_month
  calp % hour_in_day   = hour_in_day
  calp % min_in_hour   = min_in_hour
  calp % sec_in_min    = sec_in_min
 
  ! 終了処理, 例外処理
  ! Termination and Exception handling
  !
  calp % initialized = .true.
999 continue
  nullify( calp )
  call storeerror( stat, subname, err, cause_c )
  call endsub( subname )
end subroutine dccalcreate2