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------------------------------------------------------------------------------
-- --
-- GNAT RUN-TIME COMPONENTS --
-- --
-- A D A . S T R I N G S . U N B O U N D E D --
-- --
-- S p e c --
-- --
-- $Revision: 1.20 $ --
-- --
-- Copyright (C) 1992-1998 Free Software Foundation, Inc. --
-- --
-- This specification is derived from the Ada Reference Manual for use with --
-- GNAT. The copyright notice above, and the license provisions that follow --
-- apply solely to the contents of the part following the private keyword. --
-- --
-- GNAT is free software; you can redistribute it and/or modify it under --
-- terms of the GNU General Public License as published by the Free Soft- --
-- ware Foundation; either version 2, or (at your option) any later ver- --
-- sion. GNAT is distributed in the hope that it will be useful, but WITH- --
-- OUT 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 GNAT; see file COPYING. If not, write --
-- to the Free Software Foundation, 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. --
-- --
-- GNAT was originally developed by the GNAT team at New York University. --
-- It is now maintained by Ada Core Technologies Inc (http://www.gnat.com). --
-- --
------------------------------------------------------------------------------
with Ada.Strings.Maps;
with Ada.Finalization;
package Ada.Strings.Unbounded is
pragma Preelaborate (Unbounded);
type Unbounded_String is private;
Null_Unbounded_String : constant Unbounded_String;
function Length (Source : Unbounded_String) return Natural;
type String_Access is access all String;
procedure Free (X : in out String_Access);
--------------------------------------------------------
-- Conversion, Concatenation, and Selection Functions --
--------------------------------------------------------
function To_Unbounded_String (Source : String) return Unbounded_String;
function To_Unbounded_String (Length : in Natural) return Unbounded_String;
function To_String (Source : Unbounded_String) return String;
procedure Append
(Source : in out Unbounded_String;
New_Item : in Unbounded_String);
procedure Append
(Source : in out Unbounded_String;
New_Item : in String);
procedure Append
(Source : in out Unbounded_String;
New_Item : in Character);
function "&" (Left, Right : Unbounded_String) return Unbounded_String;
function "&"
(Left : in Unbounded_String;
Right : in String)
return Unbounded_String;
function "&"
(Left : in String;
Right : in Unbounded_String)
return Unbounded_String;
function "&"
(Left : in Unbounded_String;
Right : in Character)
return Unbounded_String;
function "&"
(Left : in Character;
Right : in Unbounded_String)
return Unbounded_String;
function Element
(Source : in Unbounded_String;
Index : in Positive)
return Character;
procedure Replace_Element
(Source : in out Unbounded_String;
Index : in Positive;
By : Character);
function Slice
(Source : in Unbounded_String;
Low : in Positive;
High : in Natural)
return String;
function "=" (Left, Right : in Unbounded_String) return Boolean;
function "="
(Left : in Unbounded_String;
Right : in String)
return Boolean;
function "="
(Left : in String;
Right : in Unbounded_String)
return Boolean;
function "<" (Left, Right : in Unbounded_String) return Boolean;
function "<"
(Left : in Unbounded_String;
Right : in String)
return Boolean;
function "<"
(Left : in String;
Right : in Unbounded_String)
return Boolean;
function "<=" (Left, Right : in Unbounded_String) return Boolean;
function "<="
(Left : in Unbounded_String;
Right : in String)
return Boolean;
function "<="
(Left : in String;
Right : in Unbounded_String)
return Boolean;
function ">" (Left, Right : in Unbounded_String) return Boolean;
function ">"
(Left : in Unbounded_String;
Right : in String)
return Boolean;
function ">"
(Left : in String;
Right : in Unbounded_String)
return Boolean;
function ">=" (Left, Right : in Unbounded_String) return Boolean;
function ">="
(Left : in Unbounded_String;
Right : in String)
return Boolean;
function ">="
(Left : in String;
Right : in Unbounded_String)
return Boolean;
------------------------
-- Search Subprograms --
------------------------
function Index
(Source : in Unbounded_String;
Pattern : in String;
Going : in Direction := Forward;
Mapping : in Maps.Character_Mapping := Maps.Identity)
return Natural;
function Index
(Source : in Unbounded_String;
Pattern : in String;
Going : in Direction := Forward;
Mapping : in Maps.Character_Mapping_Function)
return Natural;
function Index
(Source : in Unbounded_String;
Set : in Maps.Character_Set;
Test : in Membership := Inside;
Going : in Direction := Forward)
return Natural;
function Index_Non_Blank
(Source : in Unbounded_String;
Going : in Direction := Forward)
return Natural;
function Count
(Source : in Unbounded_String;
Pattern : in String;
Mapping : in Maps.Character_Mapping := Maps.Identity)
return Natural;
function Count
(Source : in Unbounded_String;
Pattern : in String;
Mapping : in Maps.Character_Mapping_Function)
return Natural;
function Count
(Source : in Unbounded_String;
Set : in Maps.Character_Set)
return Natural;
procedure Find_Token
(Source : in Unbounded_String;
Set : in Maps.Character_Set;
Test : in Membership;
First : out Positive;
Last : out Natural);
------------------------------------
-- String Translation Subprograms --
------------------------------------
function Translate
(Source : in Unbounded_String;
Mapping : in Maps.Character_Mapping)
return Unbounded_String;
procedure Translate
(Source : in out Unbounded_String;
Mapping : Maps.Character_Mapping);
function Translate
(Source : in Unbounded_String;
Mapping : in Maps.Character_Mapping_Function)
return Unbounded_String;
procedure Translate
(Source : in out Unbounded_String;
Mapping : in Maps.Character_Mapping_Function);
---------------------------------------
-- String Transformation Subprograms --
---------------------------------------
function Replace_Slice
(Source : in Unbounded_String;
Low : in Positive;
High : in Natural;
By : in String)
return Unbounded_String;
procedure Replace_Slice
(Source : in out Unbounded_String;
Low : in Positive;
High : in Natural;
By : in String);
function Insert
(Source : in Unbounded_String;
Before : in Positive;
New_Item : in String)
return Unbounded_String;
procedure Insert
(Source : in out Unbounded_String;
Before : in Positive;
New_Item : in String);
function Overwrite
(Source : in Unbounded_String;
Position : in Positive;
New_Item : in String)
return Unbounded_String;
procedure Overwrite
(Source : in out Unbounded_String;
Position : in Positive;
New_Item : in String);
function Delete
(Source : in Unbounded_String;
From : in Positive;
Through : in Natural)
return Unbounded_String;
procedure Delete
(Source : in out Unbounded_String;
From : in Positive;
Through : in Natural);
function Trim
(Source : in Unbounded_String;
Side : in Trim_End)
return Unbounded_String;
procedure Trim
(Source : in out Unbounded_String;
Side : in Trim_End);
function Trim
(Source : in Unbounded_String;
Left : in Maps.Character_Set;
Right : in Maps.Character_Set)
return Unbounded_String;
procedure Trim
(Source : in out Unbounded_String;
Left : in Maps.Character_Set;
Right : in Maps.Character_Set);
function Head
(Source : in Unbounded_String;
Count : in Natural;
Pad : in Character := Space)
return Unbounded_String;
procedure Head
(Source : in out Unbounded_String;
Count : in Natural;
Pad : in Character := Space);
function Tail
(Source : in Unbounded_String;
Count : in Natural;
Pad : in Character := Space)
return Unbounded_String;
procedure Tail
(Source : in out Unbounded_String;
Count : in Natural;
Pad : in Character := Space);
function "*"
(Left : in Natural;
Right : in Character)
return Unbounded_String;
function "*"
(Left : in Natural;
Right : in String)
return Unbounded_String;
function "*"
(Left : in Natural;
Right : in Unbounded_String)
return Unbounded_String;
private
pragma Inline (Length);
package AF renames Ada.Finalization;
Null_String : aliased String := "";
function To_Unbounded (S : String) return Unbounded_String
renames To_Unbounded_String;
type Unbounded_String is new AF.Controlled with record
Reference : String_Access := Null_String'Access;
end record;
pragma Stream_Convert (Unbounded_String, To_Unbounded, To_String);
pragma Finalize_Storage_Only (Unbounded_String);
procedure Initialize (Object : in out Unbounded_String);
procedure Adjust (Object : in out Unbounded_String);
procedure Finalize (Object : in out Unbounded_String);
Null_Unbounded_String : constant Unbounded_String :=
(AF.Controlled with Reference => Null_String'Access);
end Ada.Strings.Unbounded;