wrappers/pl_Date_Calc.ml

   1 (** Wrapper around Perl [Date::Calc] class. *)
   2 (*  Copyright (C) 2003 Merjis Ltd.
   3
   4     This library is free software; you can redistribute it and/or
   5     modify it under the terms of the GNU Library General Public
   6     License as published by the Free Software Foundation; either
   7     version 2 of the License, or (at your option) any later version.
   8
   9     This library is distributed in the hope that it will be useful,
  10     but WITHOUT ANY WARRANTY; without even the implied warranty of
  11     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12     Library General Public License for more details.
  13
  14     You should have received a copy of the GNU General Public License
  15     along with this library; see the file COPYING.  If not, write to
  16     the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  17     Boston, MA 02111-1307, USA.
  18
  19     $Id: pl_Date_Calc.ml,v 1.2 2008-03-01 13:02:21 rich Exp $
  20   *)
  21
  22 open Perl
  23
  24 let _ = eval "use Date::Calc qw()"
  25
  26 let days_in_year year month =
  27   int_of_sv (call ~fn:"Date::Calc::Days_in_Year"
  28                [sv_of_int year; sv_of_int month])
  29
  30 let days_in_month year month =
  31   int_of_sv (call ~fn:"Date::Calc::Days_in_Month"
  32                [sv_of_int year; sv_of_int month])
  33
  34 let weeks_in_year year =
  35   int_of_sv (call ~fn:"Date::Calc::Weeks_in_Year" [sv_of_int year])
  36
  37 let leap_year year =
  38   bool_of_sv (call ~fn:"Date::Calc::leap_year" [sv_of_int year])
  39
  40 let check_date year month day =
  41   bool_of_sv (call ~fn:"Date::Calc::check_date"
  42                 [sv_of_int year; sv_of_int month; sv_of_int day])
  43
  44 let check_time hour min sec =
  45   bool_of_sv (call ~fn:"Date::Calc::check_time"
  46                 [sv_of_int hour; sv_of_int min; sv_of_int sec])
  47
  48 let check_business_date year week dow =
  49   bool_of_sv (call ~fn:"Date::Calc::check_business_date"
  50                 [sv_of_int year; sv_of_int week; sv_of_int dow])
  51
  52 let day_of_year year month day =
  53   int_of_sv (call ~fn:"Date::Calc::Day_of_Year"
  54                [sv_of_int year; sv_of_int month; sv_of_int day])
  55
  56 let date_to_days year month day =
  57   int_of_sv (call ~fn:"Date::Calc::Date_to_Days"
  58                [sv_of_int year; sv_of_int month; sv_of_int day])
  59
  60 let day_of_week year month day =
  61   int_of_sv (call ~fn:"Date::Calc::Day_of_Week"
  62                [sv_of_int year; sv_of_int month; sv_of_int day])
  63
  64 let week_number year month day =
  65   int_of_sv (call ~fn:"Date::Calc::Week_Number"
  66                [sv_of_int year; sv_of_int month; sv_of_int day])
  67
  68 let week_of_year year month day =
  69   let r = call_array ~fn:"Date::Calc::Week_of_Year"
  70             [sv_of_int year; sv_of_int month; sv_of_int day] in
  71   match r with
  72       [week; year] -> int_of_sv week, int_of_sv year
  73     | _ -> failwith "Pl_Date_Calc: week_of_year: unexpected return value"
  74
  75 let monday_of_week week year =
  76   let r = call_array ~fn:"Date::Calc::Monday_of_Week"
  77             [sv_of_int week; sv_of_int year] in
  78   match r with
  79       [year; month; day] -> int_of_sv year, int_of_sv month, int_of_sv day
  80     | _ -> failwith "Pl_Date_Calc: monday_of_week: unexpected return value"
  81
  82 (* at this point I got bored ... - RWMJ *)