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generic_doubly_linked_web-generic_list.ads
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-- --
-- package Copyright (c) Dmitry A. Kazakov --
-- Generic_Doubly_Linked_Web. Luebeck --
-- Generic_List Autumn, 2006 --
-- Interface --
-- Last revision : 10:35 22 Oct 2011 --
-- --
-- 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
Brand : List_Identification_Type;
package Generic_Doubly_Linked_Web.Generic_List is
type Item is new Node;
type List is new Web;
--
-- Append -- Item to a list
--
-- Container - The list
-- Element - To insert
--
-- Exceptions :
--
-- Constraint_Error - Element is in a list or null
--
procedure Append (Container : in out List; Element : Item);
--
-- Append -- Item to one list taking it from another
--
-- Container - The list to insert into
-- Element - To move
-- Source - The list to remove from
--
-- Exceptions :
--
-- Constraint_Error - Element is null
--
procedure Append
( Container : in out List;
Element : Item;
Source : in out List
);
procedure Append
( Container : in out List;
Element : Node;
Source : in out List
);
--
-- Delete -- Item from the list
--
-- Container - The list
-- Element - To remove and possibly free
--
procedure Delete
( Container : in out List;
Element : in out Item
);
procedure Delete
( Container : in out List;
Element : in out Node
);
--
-- Erase -- Item from the list
--
-- Container - The list
--
-- This procedure removes all elements from Container. When an element
-- after its removal does not belong to any list its target object is
-- finalized, and freed.
--
procedure Erase (Container : in out List);
--
-- Insert -- Item into a list
--
-- Position - An item in the list
-- Element - To inserted
--
-- Exceptions :
--
-- Constraint_Error - Element is in a list or null, Position is null
-- or not in any list
--
procedure Insert (Position : Item; Element : Item);
procedure Insert (Position : Node; Element : Item);
--
-- Insert -- Item taking it from another list
--
-- Position - An item in the list
-- Element - To move to Position
-- Source - The list to remove Element from
--
-- This procedure is an equivalent to Remove followed by Insert.
--
-- Exceptions :
--
-- Constraint_Error - Element is null, Position is null or not in any
-- list
--
procedure Insert
( Position : Item;
Element : Item;
Source : in out List
);
procedure Insert
( Position : Item;
Element : Node;
Source : in out List
);
procedure Insert
( Position : Node;
Element : Item;
Source : in out List
);
procedure Insert
( Position : Node;
Element : Node;
Source : in out List
);
--
-- Is_Empty -- Check if Container is empty
--
-- Container - A list
--
-- Returns :
--
-- True if Container is null
--
function Is_Empty (Container : List) return Boolean;
--
-- Is_In -- Check if element is not in a container
--
-- Element - An element
--
-- Returns :
--
-- False if Element is null or not in any list
--
function Is_In (Element : Item) return Boolean;
--
-- Merge -- Two lists
--
-- Head - The list to append
-- Tail - The list to prepend
--
-- Either list can be empty. When Head = Tail the operation is void.
--
procedure Merge (Head : in out List; Tail : in out List);
--
-- Next -- The next item
--
-- Container / Element - A list or an it item
--
-- Returns :
--
-- The item following Element
--
-- Exceptions :
--
-- Constraint_Error - Element is not in a list or null
--
function Next (Element : Item) return Item;
function Next (Container : List) return Item;
--
-- Prepend -- Item to a list
--
-- Container - The list
-- Element - To insert
--
-- Exceptions :
--
-- Constraint_Error - Element is in a list or null
--
procedure Prepend (Container : in out List; Element : Item);
--
-- Prepend -- Item to one list taking it from another
--
-- Container - The list to insert into
-- Element - To move
-- Source - The list to remove from
--
-- Exceptions :
--
-- Constraint_Error - Element is null
--
procedure Prepend
( Container : in out List;
Element : Item;
Source : in out List
);
procedure Prepend
( Container : in out List;
Element : Node;
Source : in out List
);
--
-- Previous -- The previous item
--
-- Container / Element - A list or an it item
--
-- Returns :
--
-- The previous item
--
-- Exceptions :
--
-- Constraint_Error - Element is not in a list or null
--
function Previous (Element : Item) return Item;
function Previous (Container : List) return Item;
--
-- Remove -- Item from the list
--
-- Container - The list
-- Element - To remove
--
procedure Remove
( Container : in out List;
Element : Item
);
procedure Remove
( Container : in out List;
Element : Node
);
--
-- Take -- The first item from the list
--
-- Container - The list
-- Element - The first item (removed from Container)
--
procedure Take
( Container : in out List;
Element : out Item
);
procedure Take
( Container : in out List;
Element : out Node
);
private
pragma Inline (Append);
pragma Inline (Delete);
pragma Inline (Erase);
pragma Inline (Insert);
pragma Inline (Is_Empty);
pragma Inline (Is_In);
pragma Inline (Merge);
pragma Inline (Next);
pragma Inline (Prepend);
pragma Inline (Previous);
pragma Inline (Remove);
pragma Inline (Take);
end Generic_Doubly_Linked_Web.Generic_List;