------------------------------------------------------------------------------
--                                                                          --
--                            Matreshka Project                             --
--                                                                          --
--         Localization, Internationalization, Globalization for Ada        --
--                                                                          --
--                        Runtime Library Component                         --
--                                                                          --
------------------------------------------------------------------------------
--                                                                          --
-- Copyright © 2011, Vadim Godunko <vgodunko@gmail.com>                     --
-- All rights reserved.                                                     --
--                                                                          --
-- Redistribution and use in source and binary forms, with or without       --
-- modification, are permitted provided that the following conditions       --
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--  * Redistributions of source code must retain the above copyright        --
--    notice, this list of conditions and the following disclaimer.         --
--                                                                          --
--  * Redistributions in binary form must reproduce the above copyright     --
--    notice, this list of conditions and the following disclaimer in the   --
--    documentation and/or other materials provided with the distribution.  --
--                                                                          --
--  * Neither the name of the Vadim Godunko, IE nor the names of its        --
--    contributors may be used to endorse or promote products derived from  --
--    this software without specific prior written permission.              --
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-- THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS      --
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-- LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR    --
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------------------------------------------------------------------------------
--  $Revision: 1646 $ $Date: 2011-03-26 12:39:15 +0300 (Sat, 26 Mar 2011) $
------------------------------------------------------------------------------
with Matreshka.Internals.Calendars.Gregorian;

package body Matreshka.Internals.Calendars.Formatting.ISO_8601 is

   procedure Append
    (Result  : in out League.Strings.Universal_String;
     Value   : Natural;
     Padding : Positive);

   ------------
   -- Append --
   ------------

   procedure Append
    (Result  : in out League.Strings.Universal_String;
     Value   : Natural;
     Padding : Positive)
   is
      Image : constant Wide_Wide_String := Integer'Wide_Wide_Image (Value);

   begin
      for J in 1 .. Padding - Image'Length + 1 loop
         Result.Append ('0');
      end loop;

      Result.Append (Image (Image'First + 1 .. Image'Last));
   end Append;

   ----------------------------
   -- Append_Abbreviated_Era --
   ----------------------------

   overriding procedure Append_Abbreviated_Era
    (Self    : ISO_8601_Printer;
     Output  : in out League.Strings.Universal_String;
     Date    : Julian_Day_Number;
     Padding : Era_Padding) is
   begin
      --  XXX Not yet implemented.

      null;
   end Append_Abbreviated_Era;

   ------------------------------
   -- Append_Abbreviated_Month --
   ------------------------------

   overriding procedure Append_Abbreviated_Month
    (Self           : ISO_8601_Printer;
     Output         : in out League.Strings.Universal_String;
     Date           : Julian_Day_Number;
     Is_Stand_Alone : Boolean) is
   begin
      --  XXX Not yet implemented.

      null;
   end Append_Abbreviated_Month;

   --------------------------------
   -- Append_Abbreviated_Quarter --
   --------------------------------

   overriding procedure Append_Abbreviated_Quarter
    (Self           : ISO_8601_Printer;
     Output         : in out League.Strings.Universal_String;
     Date           : Julian_Day_Number;
     Is_Stand_Alone : Boolean) is
   begin
      --  XXX Not yet implemented.

      null;
   end Append_Abbreviated_Quarter;

   -------------------------------
   -- Append_Chinese_Leap_Month --
   -------------------------------

   overriding procedure Append_Chinese_Leap_Month
    (Self   : ISO_8601_Printer;
     Output : in out League.Strings.Universal_String;
     Date   : Julian_Day_Number) is
   begin
      --  XXX Not yet implemented.

      null;
   end Append_Chinese_Leap_Month;

   -------------------------
   -- Append_Day_Of_Month --
   -------------------------

   overriding procedure Append_Day_Of_Month
    (Self    : ISO_8601_Printer;
     Output  : in out League.Strings.Universal_String;
     Date    : Julian_Day_Number;
     Padding : Positive) is
   begin
      Append
       (Output,
        Matreshka.Internals.Calendars.Gregorian.Day (Date),
        Padding);
   end Append_Day_Of_Month;

   ---------------------------------
   -- Append_Day_Of_Week_In_Month --
   ---------------------------------

   overriding procedure Append_Day_Of_Week_In_Month
    (Self   : ISO_8601_Printer;
     Output : in out League.Strings.Universal_String;
     Date   : Julian_Day_Number) is
   begin
      --  XXX Not yet implemented.

      null;
   end Append_Day_Of_Week_In_Month;

   ------------------------
   -- Append_Day_Of_Year --
   ------------------------

   overriding procedure Append_Day_Of_Year
    (Self    : ISO_8601_Printer;
     Output  : in out League.Strings.Universal_String;
     Date    : Julian_Day_Number;
     Padding : Positive) is
   begin
      --  XXX Not yet implemented.

      null;
   end Append_Day_Of_Year;

   --------------------------
   -- Append_Extended_Year --
   --------------------------

   overriding procedure Append_Extended_Year
    (Self    : ISO_8601_Printer;
     Output  : in out League.Strings.Universal_String;
     Date    : Julian_Day_Number;
     Padding : Positive) is
   begin
      --  XXX Not yet implemented.

      null;
   end Append_Extended_Year;

   -----------------------------
   -- Append_Full_Day_Of_Week --
   -----------------------------

   overriding procedure Append_Full_Day_Of_Week
    (Self           : ISO_8601_Printer;
     Output         : in out League.Strings.Universal_String;
     Date           : Julian_Day_Number;
     Is_Stand_Alone : Boolean) is
   begin
      --  XXX Not yet implemented.

      null;
   end Append_Full_Day_Of_Week;

   -----------------------
   -- Append_Full_Month --
   -----------------------

   overriding procedure Append_Full_Month
    (Self           : ISO_8601_Printer;
     Output         : in out League.Strings.Universal_String;
     Date           : Julian_Day_Number;
     Is_Stand_Alone : Boolean) is
   begin
      --  XXX Not yet implemented.

      null;
   end Append_Full_Month;

   -------------------------
   -- Append_Full_Quarter --
   -------------------------

   overriding procedure Append_Full_Quarter
    (Self           : ISO_8601_Printer;
     Output         : in out League.Strings.Universal_String;
     Date           : Julian_Day_Number;
     Is_Stand_Alone : Boolean) is
   begin
      --  XXX Not yet implemented.

      null;
   end Append_Full_Quarter;

   -----------------------
   -- Append_Julian_Day --
   -----------------------

   overriding procedure Append_Julian_Day
    (Self    : ISO_8601_Printer;
     Output  : in out League.Strings.Universal_String;
     Date    : Julian_Day_Number;
     Padding : Positive) is
   begin
      --  XXX Not yet implemented.

      null;
   end Append_Julian_Day;

   ---------------------
   -- Append_Long_Era --
   ---------------------

   overriding procedure Append_Long_Era
    (Self    : ISO_8601_Printer;
     Output  : in out League.Strings.Universal_String;
     Date    : Julian_Day_Number) is
   begin
      --  XXX Not yet implemented.

      null;
   end Append_Long_Era;

   -------------------------------
   -- Append_Narrow_Day_Of_Week --
   -------------------------------

   overriding procedure Append_Narrow_Day_Of_Week
    (Self           : ISO_8601_Printer;
     Output         : in out League.Strings.Universal_String;
     Date           : Julian_Day_Number;
     Is_Stand_Alone : Boolean) is
   begin
      --  XXX Not yet implemented.

      null;
   end Append_Narrow_Day_Of_Week;

   -----------------------
   -- Append_Narrow_Era --
   -----------------------

   overriding procedure Append_Narrow_Era
    (Self    : ISO_8601_Printer;
     Output  : in out League.Strings.Universal_String;
     Date    : Julian_Day_Number) is
   begin
      --  XXX Not yet implemented.

      null;
   end Append_Narrow_Era;

   -------------------------
   -- Append_Narrow_Month --
   -------------------------

   overriding procedure Append_Narrow_Month
    (Self           : ISO_8601_Printer;
     Output         : in out League.Strings.Universal_String;
     Date           : Julian_Day_Number;
     Is_Stand_Alone : Boolean) is
   begin
      --  XXX Not yet implemented.

      null;
   end Append_Narrow_Month;

   ----------------------------------
   -- Append_Numerical_Day_Of_Week --
   ----------------------------------

   overriding procedure Append_Numerical_Day_Of_Week
    (Self           : ISO_8601_Printer;
     Output         : in out League.Strings.Universal_String;
     Date           : Julian_Day_Number;
     Padding        : Positive;
     Is_Stand_Alone : Boolean) is
   begin
      --  XXX Not yet implemented.

      null;
   end Append_Numerical_Day_Of_Week;

   ----------------------------
   -- Append_Numerical_Month --
   ----------------------------

   overriding procedure Append_Numerical_Month
    (Self           : ISO_8601_Printer;
     Output         : in out League.Strings.Universal_String;
     Date           : Julian_Day_Number;
     Padding        : Positive;
     Is_Stand_Alone : Boolean) is
   begin
      Append
       (Output,
        Matreshka.Internals.Calendars.Gregorian.Month (Date),
        Padding);
   end Append_Numerical_Month;

   ------------------------------
   -- Append_Numerical_Quarter --
   ------------------------------

   overriding procedure Append_Numerical_Quarter
    (Self           : ISO_8601_Printer;
     Output         : in out League.Strings.Universal_String;
     Date           : Julian_Day_Number;
     Padding        : Positive;
     Is_Stand_Alone : Boolean) is
   begin
      --  XXX Not yet implemented.

      null;
   end Append_Numerical_Quarter;

   ------------------------------
   -- Append_Short_Day_Of_Week --
   ------------------------------

   overriding procedure Append_Short_Day_Of_Week
    (Self           : ISO_8601_Printer;
     Output         : in out League.Strings.Universal_String;
     Date           : Julian_Day_Number;
     Padding        : Positive;
     Is_Stand_Alone : Boolean) is
   begin
      --  XXX Not yet implemented.

      null;
   end Append_Short_Day_Of_Week;

   --------------------------
   -- Append_Week_Of_Month --
   --------------------------

   overriding procedure Append_Week_Of_Month
    (Self   : ISO_8601_Printer;
     Output : in out League.Strings.Universal_String;
     Date   : Julian_Day_Number) is
   begin
      --  XXX Not yet implemented.

      null;
   end Append_Week_Of_Month;

   -------------------------
   -- Append_Week_Of_Year --
   -------------------------

   overriding procedure Append_Week_Of_Year
    (Self    : ISO_8601_Printer;
     Output  : in out League.Strings.Universal_String;
     Date    : Julian_Day_Number;
     Padding : Positive) is
   begin
      --  XXX Not yet implemented.

      null;
   end Append_Week_Of_Year;

   -----------------
   -- Append_Year --
   -----------------

   overriding procedure Append_Year
    (Self    : ISO_8601_Printer;
     Output  : in out League.Strings.Universal_String;
     Date    : Julian_Day_Number;
     Padding : Positive) is
   begin
      Append
       (Output,
        Matreshka.Internals.Calendars.Gregorian.Year (Date),
        Padding);
   end Append_Year;

   ----------------------
   -- Append_Year_Week --
   ----------------------

   overriding procedure Append_Year_Week
    (Self    : ISO_8601_Printer;
     Output  : in out League.Strings.Universal_String;
     Date    : Julian_Day_Number;
     Padding : Positive) is
   begin
      --  XXX Not yet implemented.

      null;
   end Append_Year_Week;

end Matreshka.Internals.Calendars.Formatting.ISO_8601;
