Package: Ada.Characters.Handling

Package: Ada.Characters.Handling

Description

GNAT RUN-TIME COMPONENTS

A D A . C H A R A C T E R S . H A N D L I N G

S p e c

$Revision: 1.6 $

Copyright (C) 1992-1997 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).

Header

package Ada.Characters.Handling is

pragma Preelaborate (Handling);

Character Classification Functions

Other Items:

function Is_Control           (Item : in Character) return Boolean;

function Is_Graphic           (Item : in Character) return Boolean;

function Is_Letter            (Item : in Character) return Boolean;

function Is_Lower             (Item : in Character) return Boolean;

function Is_Upper             (Item : in Character) return Boolean;

function Is_Basic             (Item : in Character) return Boolean;

function Is_Digit             (Item : in Character) return Boolean;

function Is_Decimal_Digit     (Item : in Character) return Boolean
                                                       renames Is_Digit;

function Is_Hexadecimal_Digit (Item : in Character) return Boolean;

function Is_Alphanumeric      (Item : in Character) return Boolean;

function Is_Special           (Item : in Character) return Boolean;

Conversion Functions for Character and String

function To_Lower (Item : in Character) return Character;

function To_Upper (Item : in Character) return Character;

function To_Basic (Item : in Character) return Character;

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;

function Is_ISO_646 (Item : in String)    return Boolean;

function To_ISO_646
  (Item       : in Character;
   Substitute : in ISO_646 := ' ')
   return       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;

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;

function To_String
  (Item       : in Wide_String;
   Substitute : in Character := ' ')
   return       String;

function To_Wide_Character (Item : in Character) return Wide_Character;

function To_Wide_String    (Item : in String)    return Wide_String;

private

   --  Implementation-defined ...

end Ada.Characters.Handling;