Natools

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-- Copyright (c) 2014-2015, Natacha Porté                                   --
--                                                                          --
-- Permission to use, copy, modify, and distribute this software for any    --
-- purpose with or without fee is hereby granted, provided that the above   --
-- copyright notice and this permission notice appear in all copies.        --
--                                                                          --
-- THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES --
-- WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF         --

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   function Split
     (Value : Ada.Calendar.Time;
      Time_Zone : Ada.Calendar.Time_Zones.Time_Offset)
     return Split_Time
   is
      use type Ada.Calendar.Time_Zones.Time_Offset;
      Zone_Offset : constant Ada.Calendar.Time_Zones.Time_Offset
        := Time_Zone - Ada.Calendar.Time_Zones.UTC_Time_Offset (Value);

      Year : Ada.Calendar.Year_Number;
      Month : Ada.Calendar.Month_Number;
      Day : Ada.Calendar.Day_Number;
      Hour : Ada.Calendar.Formatting.Hour_Number;
      Minute : Ada.Calendar.Formatting.Minute_Number;
      Second : Ada.Calendar.Formatting.Second_Number;
      Sub_Second : Ada.Calendar.Formatting.Second_Duration;

      return Split_Time'
        (Source => Value,
         Time_Zone => Time_Zone,
         Year => Year,
         Month => Month,
         Day => Day,
         Day_Of_Week => Ada.Calendar.Formatting.Day_Of_Week
           (Ada.Calendar."+" (Value, 60 * Duration (Zone_Offset))),
         Hour => Hour,
         Minute => Minute,
         Second => Second,
         Sub_Second => Sub_Second);
   end Split;