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1994-05-19
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-----------------------------------------------------------------------------
-- --
-- GNAT RUNTIME COMPONENTS --
-- --
-- A D A . C H A R A C T E R S --
-- --
-- S p e c --
-- --
-- $Revision: 1.4 $ --
-- --
-- Copyright (c) 1992,1993,1994 NYU, All Rights Reserved --
-- --
-- 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, 675 Mass Ave, Cambridge, MA 02139, USA. --
-- --
------------------------------------------------------------------------------
package Ada.Characters is
pragma Pure (Ada.Characters);
----------------------------------------
-- Character Classification Functions --
----------------------------------------
function Is_Control (Item : in Character) return Boolean;
pragma Inline (Is_Control);
function Is_Graphic (Item : in Character) return Boolean;
pragma Inline (Is_Graphic);
function Is_Letter (Item : in Character) return Boolean;
pragma Inline (Is_Letter);
function Is_Lower (Item : in Character) return Boolean;
pragma Inline (Is_Lower);
function Is_Upper (Item : in Character) return Boolean;
pragma Inline (Is_Upper);
function Is_Basic (Item : in Character) return Boolean;
pragma Inline (Is_Basic);
function Is_Digit (Item : in Character) return Boolean;
pragma Inline (Is_Digit);
function Is_Decimal_Digit (Item : in Character) return Boolean
renames Is_Digit;
function Is_Hexadecimal_Digit (Item : in Character) return Boolean;
pragma Inline (Is_Hexadecimal_Digit);
function Is_Alphanumeric (Item : in Character) return Boolean;
pragma Inline (Is_Alphanumeric);
function Is_Special_Graphic (Item : in Character) return Boolean;
pragma Inline (Is_Special_Graphic);
------------------------------------
-- Character Conversion Functions --
------------------------------------
function To_Lower (Item : in Character) return Character;
pragma Inline (To_Lower);
function To_Upper (Item : in Character) return Character;
pragma Inline (To_Upper);
function To_Basic (Item : in Character) return Character;
pragma Inline (To_Basic);
---------------------------------
-- String Conversion Functions --
---------------------------------
function To_Lower (Item : in String) return String;
function To_Upper (Item : in String) return String;
function To_Basic (Item : in String) return String;
----------------------------------------------------------------------
-- Classifications of and Conversions Between Character and ISO 646 --
----------------------------------------------------------------------
subtype ISO_646 is
Character range Character'Val (0) .. Character'Val (127);
function Is_ISO_646 (Item : in Character) return Boolean;
pragma Inline (Is_ISO_646);
function Is_ISO_646 (Item : in String) return Boolean;
function To_ISO_646 (
Item : in Character;
Substitute : in ISO_646 := ' ')
return ISO_646;
pragma Inline (To_ISO_646);
function To_ISO_646 (Item : in String; Substitute : in ISO_646 := ' ')
return String;
------------------------------------------------------
-- Classifications of Wide_Character and Characters --
------------------------------------------------------
function Is_Character (Item : in Wide_Character) return Boolean;
pragma Inline (Is_Character);
function Is_String (Item : in Wide_String) return Boolean;
------------------------------------------------------
-- Conversions between Wide_Character and Character --
------------------------------------------------------
function To_Character (
Item : in Wide_Character;
Substitute : in Character := ' ')
return Character;
pragma Inline (To_Character);
function To_String (
Item : in Wide_String;
Substitute : in Character := ' ')
return String;
function To_Wide_Character (Item : in Character) return Wide_Character;
pragma Inline (To_Wide_Character);
function To_Wide_String (Item : in String) return Wide_String;
end Ada.Characters;