---------------------------------------------------------------------
-----------
--                                                                          --
--                           OCARINA COMPONENTS                             --
--                                                                          --
--                                U T I L S                                 --
--                                                                          --
--                                 B o d y                                  --
--                                                                          --
--                 Copyright (C) 2007, GET-Telecom Paris.                   --
--                                                                          --
-- Ocarina  is free software;  you  can  redistribute  it and/or  modify    --
-- it under terms of the GNU General Public License as published by the     --
-- Free Software Foundation; either version 2, or (at your option) any      --
-- later version. Ocarina 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 distributed with Ocarina; see file COPYING.   --
-- If not, write to the Free Software Foundation, 51 Franklin Street, Fifth --
-- Floor, Boston, MA 02111-1301, USA.                                       --
--                                                                          --
-- As a special exception,  if other files  instantiate  generics from this --
-- unit, or you link  this unit with other files  to produce an executable, --
-- this  unit  does not  by itself cause  the resulting  executable to be   --
-- covered  by the  GNU  General  Public  License. This exception does not  --
-- however invalidate  any other reasons why the executable file might be   --
-- covered by the GNU Public License.                                       --
--                                                                          --
--                 Ocarina is maintained by the Ocarina team                --
--                       (ocarina-users@listes.enst.fr)                     --
--                                                                          --
------------------------------------------------------------------------------

with Charset; use Charset;
with Namet;   use Namet;

package body Utils is

   up_to_low : constant := Character'pos ('A') - Character'pos ('a');

   ----------------
   -- Capitalize --
   ----------------

   procedure Capitalize (S : in out String) is
      Up : Boolean := True;
   begin
      for I in S'range loop
         if Up then
            Up := False;
            if S (I) in 'a' .. 'z' then
               S (I) := Character'val (Character'pos (S (I)) + up_to_low);
            end if;
         end if;
         if S (I) = '_' then
            Up := True;
         end if;
      end loop;
   end Capitalize;

   ------------
   -- Quoted --
   ------------

   function Quoted (S : String; D : Character := '"') return String is -- "
   begin
      return (1 => D) & S & (1 => D);
   end Quoted;

   ------------
   -- Quoted --
   ------------

   function Quoted (S : String; D : Character := '"') return name_id is -- "
   begin
      Set_Char_To_Name_Buffer (D);
      Add_Str_To_Name_Buffer (S);
      Add_Char_To_Name_Buffer (D);
      return Name_Find;
   end Quoted;

   ------------
   -- Quoted --
   ------------

   function Quoted (N : name_id; D : Character := '"') return String is -- "
   begin
      return Quoted (Get_Name_String (N), D);
   end Quoted;

   ------------
   -- Quoted --
   ------------

   function Quoted (N : name_id; D : Character := '"') return name_id is -- "
   begin
      return Quoted (Get_Name_String (N), D);
   end Quoted;

   --------------
   -- To_Lower --
   --------------

   function To_Lower (N : name_id) return name_id is
   begin
      if N = No_Name then
         return No_Name;
      end if;
      Get_Name_String (N);
      To_Lower (Name_Buffer (1 .. Name_Len));
      return Name_Find;
   end To_Lower;

   --------------
   -- To_Upper --
   --------------

   function To_Upper (N : name_id) return name_id is
   begin
      if N = No_Name then
         return No_Name;
      end if;
      Get_Name_String (N);
      To_Upper (Name_Buffer (1 .. Name_Len));
      return Name_Find;
   end To_Upper;

end Utils;