------------------------------------------------------------------------------
-- 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. --
------------------------------------------------------------------------------
procedure Natools.S_Expressions.Templates.Generic_Discrete_Render
(Output : in out Ada.Streams.Root_Stream_Type'Class;
Template : in out Lockable.Descriptor'Class;
Value : in T)
is
Current_Value : T := T'First;
Event : Events.Event := Template.Current_Event;
begin
loop
case Event is
when Events.Add_Atom =>
if Current_Value = Value then
Output.Write (Template.Current_Atom);
return;
end if;
when Events.Open_List =>
loop
Template.Next (Event);
case Event is
when Events.Add_Atom =>
Output.Write (Template.Current_Atom);
when others =>
return;
end case;
end loop;
when Events.Close_List | Events.End_Of_Input | Events.Error =>
exit;
end case;
Template.Next (Event);
Current_Value := T'Succ (Current_Value);
end loop;
Output.Write (To_Atom (Default_Image (Value)));
end Natools.S_Expressions.Templates.Generic_Discrete_Render;