dccaldateparsestr.f90 File Reference

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Functions/Subroutines
subroutine	dccaldateparsestr1 (date_str, year, month, day, hour, min, sec, zone, err)
	Parse strings of date.

Function/Subroutine Documentation

dccaldateparsestr1()

subroutine dccaldateparsestr1	(	character(*), intent(in)	date_str,
		integer, intent(out)	year,
		integer, intent(out)	month,
		integer, intent(out)	day,
		integer, intent(out)	hour,
		integer, intent(out)	min,
		real(dp), intent(out)	sec,
		character(*), intent(out)	zone,
		logical, intent(out), optional	err
	)

Parse strings of date.

Author

Yasuhiro MORIKAWA

Copyright

Copyright (C) GFD Dennou Club, 2009-2026. All rights reserved.
License is BSD-2-Clause. see COPYRIGHT in detail

Definition at line 66 of file dccaldateparsestr.f90.

 
  use dc_regex, only: match
  use dc_message, only: messagenotify
  use dc_string, only: lchar, stoi, stod
  use dc_trace, only: beginsub, endsub, dbgmessage
  use dc_error, only: storeerror, dc_noerr, dc_ebaddate
  use dc_types, only: string, dp, token
  implicit none
  character(*), intent(in):: date_str
  integer, intent(out):: year
  integer, intent(out):: month
  integer, intent(out):: day
  integer, intent(out):: hour
  integer, intent(out):: min
  real(DP), intent(out):: sec
  character(*), intent(out):: zone
  logical, intent(out), optional:: err
 
  ! 作業変数
  ! Work variables
  !
  integer:: start, length
  character(STRING):: str1, str2
  character(TOKEN):: zone_pm, zone_hrs, zone_min
  integer:: stat
  character(STRING):: cause_c
  character(*), parameter:: subname = 'DCCalDateParseStr1'
continue
  call beginsub( subname )
  stat = dc_noerr
  cause_c = ''
 
  ! 与えられた文字列が日時表現として有効かどうかをチェック
  ! Check validation of strings as an expression of date
  !
  call match( '[-]*#d+-#d+-#d+[#w#s]+#d+:#d+:#d+', date_str, & ! (in)
    &         start, length ) ! (out)
 
  if ( length > 0 ) then
    str1 = date_str(start:)
  else
    stat = dc_ebaddate
    call messagenotify('W', subname, &
      & 'date_str=<%c> is invalid expression as date.', &
      & c1 = trim(date_str) )
    goto 999
  end if
 
  ! 年の解釈
  ! Parse year
  !
  call match( '^[-]*#d+-', str1, & ! (in)
    &         start, length ) ! (out)
  str2 = str1(start:start+length-2)
  str1 = str1(start+length:)
  year = stoi(str2)
 
  ! 月の解釈
  ! Parse month
  !
  call match( '^#d+-', str1, & ! (in)
    &         start, length ) ! (out)
  str2 = str1(start:start+length-2)
  str1 = str1(start+length:)
  month = stoi(str2)
 
  ! 日の解釈
  ! Parse day
  !
  call match( '^#d+[#w#s]', str1, & ! (in)
    &         start, length ) ! (out)
  str2 = str1(start:start+length-2)
  str1 = str1(start+length:)
  day = stoi(str2)
 
  ! 時の解釈
  ! Parse hour
  !
  call match( '#d+:', str1, & ! (in)
    &         start, length ) ! (out)
  str2 = str1(start:start+length-2)
  str1 = str1(start+length:)
  hour = stoi(str2)
 
  ! 分の解釈
  ! Parse minute
  !
  call match( '#d+:', str1, & ! (in)
    &         start, length ) ! (out)
  str2 = str1(start:start+length-2)
  str1 = str1(start+length:)
  min = stoi(str2)
 
  ! 秒の解釈
  ! Parse min
  !
  call match( '#d+', str1, & ! (in)
    &         start, length ) ! (out)
  str2 = str1(start:start+length-1)
  str1 = str1(start+length:)
 
  call match( '^#.#d+', str1, & ! (in)
    &         start, length ) ! (out)
 
  if ( length > 0 ) then
    str2 = trim(str2) // str1(start:start+length-1)
    str1 = str1(start+length:)
  end if
  sec = stod(str2)
 
  ! UTC からの時差の解釈
  ! Parse time-zone difference
  !
  call match( '[#+-]#d+:#d+', str1, & ! (in)
    &         start, length ) ! (out)
  if ( length > 0 ) then
    zone_pm = str1(start:start)
    str1 = str1(start+1:start+length-1)
 
    call match( '^#d+:', str1, & ! (in)
      &         start, length ) ! (out)
    zone_hrs = str1(start:start+length-2)
    zone_min = str1(start+length:)
    zone = trim(zone_pm) // trim(zone_hrs) // ':' // trim(zone_min)
  else
    zone = ''
  end if
 
  call dbgmessage('year=<%d> month=<%d> day=<%d> hour=<%d> min=<%d> sec=<%f>' // &
    & ' zone=<%c>', &
    & i = (/year, month, day, hour, min/), d = (/sec/), &
    & c1 = trim(zone) )
 
  ! 終了処理, 例外処理
  ! Termination and Exception handling
  !
999 continue
  call storeerror( stat, subname, err, cause_c )
  call endsub( subname )

References dc_trace::beginsub(), dc_trace::dbgmessage(), dc_error::dc_ebaddate, dc_error::dc_noerr, dc_types::dp, dc_trace::endsub(), dc_regex::match(), dc_error::storeerror(), dc_types::string, and dc_types::token.

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