1 ------------------------------------------------------------------------------
3 -- GNAT LIBRARY COMPONENTS --
5 -- A D A . C O N T A I N E R S . O R D E R E D _ M A P S --
9 -- Copyright (C) 2004-2006, Free Software Foundation, Inc. --
11 -- This specification is derived from the Ada Reference Manual for use with --
12 -- GNAT. The copyright notice above, and the license provisions that follow --
13 -- apply solely to the contents of the part following the private keyword. --
15 -- GNAT is free software; you can redistribute it and/or modify it under --
16 -- terms of the GNU General Public License as published by the Free Soft- --
17 -- ware Foundation; either version 2, or (at your option) any later ver- --
18 -- sion. GNAT is distributed in the hope that it will be useful, but WITH- --
19 -- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
20 -- or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License --
21 -- for more details. You should have received a copy of the GNU General --
22 -- Public License distributed with GNAT; see file COPYING. If not, write --
23 -- to the Free Software Foundation, 51 Franklin Street, Fifth Floor, --
24 -- Boston, MA 02110-1301, USA. --
26 -- As a special exception, if other files instantiate generics from this --
27 -- unit, or you link this unit with other files to produce an executable, --
28 -- this unit does not by itself cause the resulting executable to be --
29 -- covered by the GNU General Public License. This exception does not --
30 -- however invalidate any other reasons why the executable file might be --
31 -- covered by the GNU Public License. --
33 -- This unit was originally developed by Matthew J Heaney. --
34 ------------------------------------------------------------------------------
36 with Ada.Containers.Red_Black_Trees;
37 with Ada.Finalization;
41 type Key_Type is private;
42 type Element_Type is private;
44 with function "<" (Left, Right : Key_Type) return Boolean is <>;
45 with function "=" (Left, Right : Element_Type) return Boolean is <>;
47 package Ada.Containers.Ordered_Maps is
50 function Equivalent_Keys (Left, Right : Key_Type) return Boolean;
52 type Map is tagged private;
53 pragma Preelaborable_Initialization (Map);
55 type Cursor is private;
56 pragma Preelaborable_Initialization (Cursor);
58 Empty_Map : constant Map;
60 No_Element : constant Cursor;
62 function "=" (Left, Right : Map) return Boolean;
64 function Length (Container : Map) return Count_Type;
66 function Is_Empty (Container : Map) return Boolean;
68 procedure Clear (Container : in out Map);
70 function Key (Position : Cursor) return Key_Type;
72 function Element (Position : Cursor) return Element_Type;
74 procedure Replace_Element
75 (Container : in out Map;
77 New_Item : Element_Type);
79 procedure Query_Element
81 Process : not null access
82 procedure (Key : Key_Type; Element : Element_Type));
84 procedure Update_Element
85 (Container : in out Map;
87 Process : not null access
88 procedure (Key : Key_Type; Element : in out Element_Type));
90 procedure Move (Target : in out Map; Source : in out Map);
93 (Container : in out Map;
95 New_Item : Element_Type;
96 Position : out Cursor;
97 Inserted : out Boolean);
100 (Container : in out Map;
102 Position : out Cursor;
103 Inserted : out Boolean);
106 (Container : in out Map;
108 New_Item : Element_Type);
111 (Container : in out Map;
113 New_Item : Element_Type);
116 (Container : in out Map;
118 New_Item : Element_Type);
120 procedure Exclude (Container : in out Map; Key : Key_Type);
122 procedure Delete (Container : in out Map; Key : Key_Type);
124 procedure Delete (Container : in out Map; Position : in out Cursor);
126 procedure Delete_First (Container : in out Map);
128 procedure Delete_Last (Container : in out Map);
130 function First (Container : Map) return Cursor;
132 function First_Element (Container : Map) return Element_Type;
134 function First_Key (Container : Map) return Key_Type;
136 function Last (Container : Map) return Cursor;
138 function Last_Element (Container : Map) return Element_Type;
140 function Last_Key (Container : Map) return Key_Type;
142 function Next (Position : Cursor) return Cursor;
144 procedure Next (Position : in out Cursor);
146 function Previous (Position : Cursor) return Cursor;
148 procedure Previous (Position : in out Cursor);
150 function Find (Container : Map; Key : Key_Type) return Cursor;
152 function Element (Container : Map; Key : Key_Type) return Element_Type;
154 function Floor (Container : Map; Key : Key_Type) return Cursor;
156 function Ceiling (Container : Map; Key : Key_Type) return Cursor;
158 function Contains (Container : Map; Key : Key_Type) return Boolean;
160 function Has_Element (Position : Cursor) return Boolean;
162 function "<" (Left, Right : Cursor) return Boolean;
164 function ">" (Left, Right : Cursor) return Boolean;
166 function "<" (Left : Cursor; Right : Key_Type) return Boolean;
168 function ">" (Left : Cursor; Right : Key_Type) return Boolean;
170 function "<" (Left : Key_Type; Right : Cursor) return Boolean;
172 function ">" (Left : Key_Type; Right : Cursor) return Boolean;
176 Process : not null access procedure (Position : Cursor));
178 procedure Reverse_Iterate
180 Process : not null access procedure (Position : Cursor));
185 type Node_Access is access Node_Type;
187 type Node_Type is limited record
188 Parent : Node_Access;
191 Color : Red_Black_Trees.Color_Type := Red_Black_Trees.Red;
193 Element : Element_Type;
196 package Tree_Types is new Red_Black_Trees.Generic_Tree_Types
200 type Map is new Ada.Finalization.Controlled with record
201 Tree : Tree_Types.Tree_Type;
204 procedure Adjust (Container : in out Map);
206 procedure Finalize (Container : in out Map) renames Clear;
210 use Ada.Finalization;
213 type Map_Access is access all Map;
214 for Map_Access'Storage_Size use 0;
216 type Cursor is record
217 Container : Map_Access;
222 (Stream : not null access Root_Stream_Type'Class;
225 for Cursor'Write use Write;
228 (Stream : not null access Root_Stream_Type'Class;
231 for Cursor'Read use Read;
233 No_Element : constant Cursor := Cursor'(null, null);
236 (Stream : not null access Root_Stream_Type'Class;
239 for Map'Write use Write;
242 (Stream : not null access Root_Stream_Type'Class;
243 Container : out Map);
245 for Map'Read use Read;
247 Empty_Map : constant Map :=
248 (Controlled with Tree => (First => null,
255 end Ada.Containers.Ordered_Maps;