1 ------------------------------------------------------------------------------
3 -- GNAT RUN-TIME COMPONENTS --
5 -- A D A . W I D E _ C H A R A C T E R S . H A N D L I N G --
9 -- Copyright (C) 2010, Free Software Foundation, Inc. --
11 -- GNAT is free software; you can redistribute it and/or modify it under --
12 -- terms of the GNU General Public License as published by the Free Soft- --
13 -- ware Foundation; either version 3, or (at your option) any later ver- --
14 -- sion. GNAT is distributed in the hope that it will be useful, but WITH- --
15 -- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
16 -- or FITNESS FOR A PARTICULAR PURPOSE. --
18 -- As a special exception under Section 7 of GPL version 3, you are granted --
19 -- additional permissions described in the GCC Runtime Library Exception, --
20 -- version 3.1, as published by the Free Software Foundation. --
22 -- You should have received a copy of the GNU General Public License and --
23 -- a copy of the GCC Runtime Library Exception along with this program; --
24 -- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see --
25 -- <http://www.gnu.org/licenses/>. --
27 -- GNAT was originally developed by the GNAT team at New York University. --
28 -- Extensive contributions were provided by Ada Core Technologies Inc. --
30 ------------------------------------------------------------------------------
32 with Ada.Wide_Characters.Unicode; use Ada.Wide_Characters.Unicode;
34 package body Ada.Wide_Characters.Handling is
40 function Is_Alphanumeric (Item : Wide_Character) return Boolean is
42 return Is_Letter (Item) or else Is_Digit (Item);
49 function Is_Control (Item : Wide_Character) return Boolean is
51 return Get_Category (Item) = Cc;
58 function Is_Digit (Item : Wide_Character) return Boolean
59 renames Ada.Wide_Characters.Unicode.Is_Digit;
65 function Is_Graphic (Item : Wide_Character) return Boolean is
67 return not Is_Non_Graphic (Item);
70 --------------------------
71 -- Is_Hexadecimal_Digit --
72 --------------------------
74 function Is_Hexadecimal_Digit (Item : Wide_Character) return Boolean is
76 return Is_Digit (Item)
77 or else Item in 'A' .. 'F'
78 or else Item in 'a' .. 'f';
79 end Is_Hexadecimal_Digit;
85 function Is_Letter (Item : Wide_Character) return Boolean
86 renames Ada.Wide_Characters.Unicode.Is_Letter;
88 ------------------------
89 -- Is_Line_Terminator --
90 ------------------------
92 function Is_Line_Terminator (Item : Wide_Character) return Boolean
93 renames Ada.Wide_Characters.Unicode.Is_Line_Terminator;
99 function Is_Lower (Item : Wide_Character) return Boolean is
101 return Get_Category (Item) = Ll;
108 function Is_Mark (Item : Wide_Character) return Boolean
109 renames Ada.Wide_Characters.Unicode.Is_Mark;
115 function Is_Other (Item : Wide_Character) return Boolean
116 renames Ada.Wide_Characters.Unicode.Is_Other;
122 function Is_Punctuation (Item : Wide_Character) return Boolean
123 renames Ada.Wide_Characters.Unicode.Is_Punctuation;
129 function Is_Space (Item : Wide_Character) return Boolean
130 renames Ada.Wide_Characters.Unicode.Is_Space;
136 function Is_Special (Item : Wide_Character) return Boolean is
138 return Is_Graphic (Item) and then not Is_Alphanumeric (Item);
145 function Is_Upper (Item : Wide_Character) return Boolean is
147 return Get_Category (Item) = Lu;
154 function To_Lower (Item : Wide_Character) return Wide_Character
155 renames Ada.Wide_Characters.Unicode.To_Lower_Case;
157 function To_Lower (Item : Wide_String) return Wide_String is
158 Result : Wide_String (Item'Range);
161 for J in Result'Range loop
162 Result (J) := To_Lower (Item (J));
172 function To_Upper (Item : Wide_Character) return Wide_Character
173 renames Ada.Wide_Characters.Unicode.To_Upper_Case;
175 function To_Upper (Item : Wide_String) return Wide_String is
176 Result : Wide_String (Item'Range);
179 for J in Result'Range loop
180 Result (J) := To_Upper (Item (J));
186 end Ada.Wide_Characters.Handling;