------------------------------------------------------------------------------ -- -- -- 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 -- -- -- -- -- -- 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. -- -- Extensive contributions were provided by Ada Core Technologies Inc. -- -- -- ------------------------------------------------------------------------------ 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;