File : asgc-ordered-sortable-vector-fixed.ads


-- The Ada Structured Library - A set of container classes and general
--   tools for use with Ada95.
-- Copyright (C) 1998-1999  Corey Minyard (minyard@acm.org)
--
-- This library 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 library 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 library; if not, write to the Free Software Foundation, Inc.,
-- 59 Temple Place - Suite 330, Boston, MA 02111-1307, 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.
--


generic
package Asgc.Ordered.Sortable.Vector.Fixed is

   ------------------------------------------------------------------------
   -- This is the vector container.  Setting the increment to zero will
   -- disable expansion.
   subtype Parent_Object is Ordered.Sortable.Object;
   type Object (Size : Positive)
     is new Parent_Object with private;
   type Object_Class is access all Object'Class;
   type Object_Ptr is access all Object;


   procedure Initialize (O : in out Object);

   procedure Adjust (O : in out Object);

   procedure Finalize (O : in out Object);

   ------------------------------------------------------------------------
   -- Abstract functions from other places that we are implementing.  See
   -- the definitions in the parent packages for descriptions of these.

   function "=" (O1, O2 : in Object) return Boolean;

   procedure Verify_Integrity (O : in Object);

   function Copy (O : in Object) return Asgc.Object_Class;

   function Member_Count (O : in Object) return Natural;

   procedure Delete (O   : in out Object;
                     Val : in Contained_Type);

   function Value_Exists (O   : in Object;
                          Val : in Contained_Type)
                          return Boolean;

   procedure Add_At (O   : in out Object;
                     Loc : in Positive;
                     Val : in Contained_Type);

   procedure Set_At (O   : in out Object;
                     Loc : in Positive;
                     Val : in Contained_Type);

   function Get_At (O   : in Object;
                    Loc : in Positive)
                    return Contained_Type;

   procedure Swap_At (O          : in out Object;
                      Loc1, Loc2 : in Positive);

   procedure Delete_At (O   : in out Object;
                        Loc : in Positive);

   procedure Push (O   : in out Object;
                   Val : in Contained_Type);

   procedure Pop (O   : in out Object;
                  Val : out Contained_Type);

   procedure Enqueue (O   : in out Object;
                      Val : in Contained_Type);

   procedure Dequeue (O   : in out Object;
                      Val : out Contained_Type);

   ------------------------------------------------------------------------
   -- An iterator for an ordered container.
   subtype Parent_Iterator is Ordered.Sortable.Iterator;
   type Iterator is new Parent_Iterator with private;
   type Iterator_Class is access all Iterator'Class;
   type Iterator_Ptr is access all Iterator;


   procedure Finalize (Iter : in out Iterator);

   ------------------------------------------------------------------------
   -- Abstract functions from other places that we are implementing.  See
   -- the definitions in the parent packages for descriptions of these.

   function New_Iterator (O : access Object) return Asgc.Iterator_Class;

   function New_Iterator (O : in Object_Class) return Iterator;

   procedure Free (Iter : access Iterator);

   procedure Set_Container (Iter : in out Iterator;
                            O    : in Asgc.Object_Class);

   procedure First (Iter : in out Iterator; Is_End : out End_Marker);

   procedure Next (Iter : in out Iterator; Is_End : out End_Marker);

   procedure Delete (Iter : in out Iterator; Is_End : out End_Marker);

   function Is_Same (Iter1, Iter2 : in Iterator) return Boolean;

   function Get (Iter : in Iterator) return Contained_Type;

   procedure Get_Incr (Iter   : in out Iterator;
                       Val    : out Contained_Type;
                       Is_End : out End_Marker);

   function "=" (Iter1, Iter2 : in Iterator) return Boolean;

   function "=" (Iter : in Iterator; Val : in Contained_Type) return Boolean;
   function "=" (Val : in Contained_Type; Iter : in Iterator) return Boolean;

   procedure Last (Iter : in out Iterator; Is_End : out End_Marker);
   procedure Prev (Iter : in out Iterator; Is_End : out End_Marker);

   procedure Set_Loc (Iter : out Iterator; Loc : in Positive);
   function Get_Loc (Iter : in Iterator) return Natural;

   function Is_After (Iter1, Iter2 : in Iterator) return Boolean;
   function Is_Before (Iter1, Iter2 : in Iterator) return Boolean;

   function "+" (Iter : in Iterator; Offset : in Integer)
                 return Iterator;
   function "-" (Iter : in Iterator; Offset : in Integer)
                 return Iterator;

   procedure Swap (Iter1, Iter2 : in out Iterator);

   procedure Add_After (Iter : in out Iterator; Val : in Contained_Type);
   procedure Add_Before (Iter : in out Iterator; Val : in Contained_Type);

   procedure Set (Iter : in Iterator; Val : in Contained_Type);

   procedure Get_Decr (Iter   : in out Iterator;
                       Val    : out Contained_Type;
                       Is_End : out End_Marker);

   function ">" (Iter1, Iter2 : in Iterator) return Boolean;
   function ">" (Iter : in Iterator; Val : in Contained_Type) return Boolean;
   function ">" (Val : in Contained_Type; Iter : in Iterator) return Boolean;
   function "<" (Iter1, Iter2 : in Iterator) return Boolean;
   function "<" (Iter : in Iterator; Val : in Contained_Type) return Boolean;
   function "<" (Val : in Contained_Type; Iter : in Iterator) return Boolean;
   function ">=" (Iter1, Iter2 : in Iterator) return Boolean;
   function ">=" (Iter : in Iterator; Val : in Contained_Type) return Boolean;
   function ">=" (Val : in Contained_Type; Iter : in Iterator) return Boolean;
   function "<=" (Iter1, Iter2 : in Iterator) return Boolean;
   function "<=" (Iter : in Iterator; Val : in Contained_Type) return Boolean;
   function "<=" (Val : in Contained_Type; Iter : in Iterator) return Boolean;

private

   -- A vector is just an array, not a big deal.

   type Vector_Array is array (Positive range <>) of Contained_Type;

   type Object (Size : Positive) is new Parent_Object with record
      The_Vector : Vector_Array(1 .. Size);
      Last       : Natural                 := 0;
   end record;


   type Iterator is new Parent_Iterator with record
      Robj    : Object_Class := null;
      Pos     : Natural      := 0;
   end record;

end Asgc.Ordered.Sortable.Vector.Fixed;