------------------------------------------------------------------------------
-- Copyright (c) 2013-2014, 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. --
------------------------------------------------------------------------------
package body Natools.S_Expressions is
function To_String (Data : in Atom) return String is
begin
return Result : String (1 .. Data'Length) do
for I in Result'Range loop
Result (I) := Character'Val (Data (Data'First + Offset (I - 1)));
end loop;
end return;
end To_String;
function To_Atom (Data : in String) return Atom is
begin
return Result : Atom (0 .. Data'Length - 1) do
for I in Result'Range loop
Result (I) := Character'Pos (Data (Data'First + Integer (I)));
end loop;
end return;
end To_Atom;
function Less_Than (Left, Right : Atom) return Boolean is
begin
return Left'Length < Right'Length
or else (Left'Length = Right'Length and then Left < Right);
end Less_Than;
procedure Next (Object : in out Descriptor'Class) is
Discarded : Events.Event;
pragma Unreferenced (Discarded);
begin
Next (Object, Discarded);
end Next;
end Natools.S_Expressions;