gcc/ada/a-chahan.ads

   1 ------------------------------------------------------------------------------
   2 --                                                                          --
   3 --                         GNAT RUN-TIME COMPONENTS                         --
   4 --                                                                          --
   5 --              A D A . C H A R A C T E R S . H A N D L I N G               --
   6 --                                                                          --
   7 --                                 S p e c                                  --
   8 --                                                                          --
   9 --          Copyright (C) 1992-2005 Free Software Foundation, Inc.          --
  10 --                                                                          --
  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. --
  14 --                                                                          --
  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,  59 Temple Place - Suite 330,  Boston, --
  24 -- MA 02111-1307, USA.                                                      --
  25 --                                                                          --
  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.                                      --
  32 --                                                                          --
  33 -- GNAT was originally developed  by the GNAT team at  New York University. --
  34 -- Extensive contributions were provided by Ada Core Technologies Inc.      --
  35 --                                                                          --
  36 ------------------------------------------------------------------------------
  37
  38
  39 package Ada.Characters.Handling is
  40 pragma Preelaborate (Handling);
  41
  42    ----------------------------------------
  43    -- Character Classification Functions --
  44    ----------------------------------------
  45
  46    function Is_Control           (Item : Character) return Boolean;
  47    function Is_Graphic           (Item : Character) return Boolean;
  48    function Is_Letter            (Item : Character) return Boolean;
  49    function Is_Lower             (Item : Character) return Boolean;
  50    function Is_Upper             (Item : Character) return Boolean;
  51    function Is_Basic             (Item : Character) return Boolean;
  52    function Is_Digit             (Item : Character) return Boolean;
  53    function Is_Decimal_Digit     (Item : Character) return Boolean
  54      renames Is_Digit;
  55    function Is_Hexadecimal_Digit (Item : Character) return Boolean;
  56    function Is_Alphanumeric      (Item : Character) return Boolean;
  57    function Is_Special           (Item : Character) return Boolean;
  58
  59    ---------------------------------------------------
  60    -- Conversion Functions for Character and String --
  61    ---------------------------------------------------
  62
  63    function To_Lower (Item : Character) return Character;
  64    function To_Upper (Item : Character) return Character;
  65    function To_Basic (Item : Character) return Character;
  66
  67    function To_Lower (Item : String) return String;
  68    function To_Upper (Item : String) return String;
  69    function To_Basic (Item : String) return String;
  70
  71    ----------------------------------------------------------------------
  72    -- Classifications of and Conversions Between Character and ISO 646 --
  73    ----------------------------------------------------------------------
  74
  75    subtype ISO_646 is
  76      Character range Character'Val (0) .. Character'Val (127);
  77
  78    function Is_ISO_646 (Item : Character) return Boolean;
  79    function Is_ISO_646 (Item : String)    return Boolean;
  80
  81    function To_ISO_646
  82      (Item       : Character;
  83       Substitute : ISO_646 := ' ') return ISO_646;
  84
  85    function To_ISO_646
  86      (Item       : String;
  87       Substitute : ISO_646 := ' ') return String;
  88
  89    ------------------------------------------------------
  90    -- Classifications of Wide_Character and Characters --
  91    ------------------------------------------------------
  92
  93    function Is_Character (Item : Wide_Character)           return Boolean;
  94    function Is_Character (Item : Wide_Wide_Character)      return Boolean;
  95    function Is_String    (Item : Wide_String)              return Boolean;
  96    function Is_String    (Item : Wide_Wide_String)         return Boolean;
  97    function Is_Wide_Character (Item : Wide_Wide_Character) return Boolean;
  98    function Is_Wide_String (Item : Wide_Wide_String)       return Boolean;
  99
 100    ---------------------------------------------------------------------------
 101    -- Conversions between Wide_Wide_Character, Wide_Character and Character --
 102    ---------------------------------------------------------------------------
 103
 104    function To_Character
 105      (Item       : Wide_Character;
 106       Substitute : Character := ' ')      return Character;
 107
 108    function To_Character
 109      (Item       : Wide_Wide_Character;
 110       Substitute : Character := ' ')      return Character;
 111
 112    function To_String
 113      (Item       : Wide_String;
 114       Substitute : Character := ' ')      return String;
 115
 116    function To_String
 117      (Item       : Wide_Wide_String;
 118       Substitute : Character := ' ')      return String;
 119
 120    function To_Wide_Character
 121      (Item : Character)                   return Wide_Character;
 122    function To_Wide_Character
 123      (Item       : Wide_Wide_Character;
 124       Substitute : Wide_Character := ' ') return Wide_Character;
 125
 126    function To_Wide_String
 127      (Item : String)                      return Wide_String;
 128    function To_Wide_String
 129      (Item       : Wide_Wide_String;
 130       Substitute : Wide_Character := ' ') return Wide_String;
 131
 132    function To_Wide_Wide_Character
 133      (Item : Character)                   return Wide_Wide_Character;
 134    function To_Wide_Wide_Character
 135      (Item : Wide_Character)              return Wide_Wide_Character;
 136
 137    function To_Wide_Wide_String
 138      (Item : String)                      return Wide_Wide_String;
 139    function To_Wide_Wide_String
 140      (Item : Wide_String)                 return Wide_Wide_String;
 141
 142 private
 143    pragma Inline (Is_Control);
 144    pragma Inline (Is_Graphic);
 145    pragma Inline (Is_Letter);
 146    pragma Inline (Is_Lower);
 147    pragma Inline (Is_Upper);
 148    pragma Inline (Is_Basic);
 149    pragma Inline (Is_Digit);
 150    pragma Inline (Is_Hexadecimal_Digit);
 151    pragma Inline (Is_Alphanumeric);
 152    pragma Inline (Is_Special);
 153    pragma Inline (To_Lower);
 154    pragma Inline (To_Upper);
 155    pragma Inline (To_Basic);
 156    pragma Inline (Is_ISO_646);
 157    pragma Inline (Is_Character);
 158    pragma Inline (To_Character);
 159    pragma Inline (To_Wide_Character);
 160    pragma Inline (To_Wide_Wide_Character);
 161
 162 end Ada.Characters.Handling;