------------------------------------------------------------------------------
-- Copyright (c) 2014, 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 --
-- MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR --
-- ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES --
-- WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN --
-- ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF --
-- OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. --
------------------------------------------------------------------------------
------------------------------------------------------------------------------
-- Natools.Time_IO is a minimal parent for children packages which provide --
-- subprograms to serialize and deserialize times to and from various --
-- String representations. --
------------------------------------------------------------------------------
package Natools.Time_IO is
pragma Pure;
private
subtype Digit_Character is Character range '0' .. '9';
subtype Digit_Number is Integer range 0 .. 9;
function Image (N : Digit_Number) return Digit_Character
is (Character'Val (N + Character'Pos (Digit_Character'First)));
function Value (C : Digit_Character) return Digit_Number
is (Character'Pos (C) - Character'Pos (Digit_Character'First));
function Trim_Image (Raw_Image : String) return String
is (if Raw_Image'Length > 0 and then Raw_Image (Raw_Image'First) = ' '
then Raw_Image (Raw_Image'First + 1 .. Raw_Image'Last)
else Raw_Image);
end Natools.Time_IO;