------------------------------------------------------------------------------
------------------------------------------------------------------------------
-- Cheddar is a GNU GPL real-time scheduling analysis tool.
-- This program provides services to automatically check schedulability and
-- other performance criteria of real-time architecture models.
--
-- Copyright (C) 2002-2023, Frank Singhoff, Alain Plantec, Jerome Legrand,
--                          Hai Nam Tran, Stephane Rubini
--
-- The Cheddar project was started in 2002 by
-- Frank Singhoff, Lab-STICC UMR 6285, Université de Bretagne Occidentale
--
-- Cheddar has been published in the "Agence de Protection des Programmes/France" in 2008.
-- Since 2008, Ellidiss technologies also contributes to the development of
-- Cheddar and provides industrial support.
--
-- The full list of contributors and sponsors can be found in README.md
--
-- This program is free software; you can redistribute it and/or modify
-- it under the terms of the GNU General Public License as published by
-- the Free Software Foundation; either version 2 of the License, or
-- (at your option) any later version.
--
-- This program is distributed in the hope that it will be useful,
-- but WITHOUT ANY WARRANTY; without even the implied warranty of
-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-- GNU General Public License for more details.
--
-- You should have received a copy of the GNU General Public License
-- along with this program; if not, write to the Free Software
-- Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
--
--
-- Contact : cheddar@listes.univ-brest.fr
--
------------------------------------------------------------------------------
-- Last update :
--    $Rev: 3477 $
--    $Date: 2020-07-13 11:43:48 +0200 (Mon, 13 Jul 2020) $
--    $Author: singhoff $
------------------------------------------------------------------------------
------------------------------------------------------------------------------

with unbounded_strings; use unbounded_strings;
with Text_IO;           use Text_IO;

package body unary_trees is

   procedure initialize (t : out unary_tree_ptr; e : element) is
   begin
      t      := new unary_tree;
      t.data := e;
   end initialize;

   procedure add_child
     (t        : in     unary_tree_ptr;
      e        :        element;
      new_node :    out node_ptr)
   is
   begin
      new_node := new unary_tree;
      t.data   := e;
      add (t.childs, new_node);
   end add_child;

   function contains (t : in unary_tree_ptr; e : in element) return node_ptr is
   begin
      if (t.data = e) then
         return t;
      else
         return null;
      end if;
      return null;
   end contains;

   procedure put (e : in unary_tree_ptr) is
   begin
      if (e /= null) then
         put (e.data);
         New_Line;
      end if;
--      if not is_empty(e.childs)
--              then
--      end if;
   end put;

   procedure free (e : in out unary_tree_ptr) is
   begin
      null;
   end free;

   function copy (e : in unary_tree_ptr) return unary_tree_ptr is
   begin
      return null;
   end copy;

   function xml_string (e : in unary_tree_ptr) return Unbounded_String is
   begin
      return empty_string;
   end xml_string;

   function xml_ref_string (e : in unary_tree_ptr) return Unbounded_String is
   begin
      return empty_string;
   end xml_ref_string;

end unary_trees;