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comparison gcc/ada/libgnat/a-zchhan.adb @ 111:04ced10e8804

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gcc 7
author kono
date Fri, 27 Oct 2017 22:46:09 +0900
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children 84e7813d76e9
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68:561a7518be6b 111:04ced10e8804
1 ------------------------------------------------------------------------------
2 -- --
3 -- GNAT RUN-TIME COMPONENTS --
4 -- --
5 -- A D A . W I D E _ W I D E _ C H A R A C T E R S . H A N D L I N G --
6 -- --
7 -- B o d y --
8 -- --
9 -- Copyright (C) 2010-2017, Free Software Foundation, Inc. --
10 -- --
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. --
17 -- --
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. --
21 -- --
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/>. --
26 -- --
27 -- GNAT was originally developed by the GNAT team at New York University. --
28 -- Extensive contributions were provided by Ada Core Technologies Inc. --
29 -- --
30 ------------------------------------------------------------------------------
31
32 with Ada.Wide_Wide_Characters.Unicode; use Ada.Wide_Wide_Characters.Unicode;
33
34 package body Ada.Wide_Wide_Characters.Handling is
35
36 ---------------------
37 -- Is_Alphanumeric --
38 ---------------------
39
40 function Is_Alphanumeric (Item : Wide_Wide_Character) return Boolean is
41 begin
42 return Is_Letter (Item) or else Is_Digit (Item);
43 end Is_Alphanumeric;
44
45 ----------------
46 -- Is_Control --
47 ----------------
48
49 function Is_Control (Item : Wide_Wide_Character) return Boolean is
50 begin
51 return Get_Category (Item) = Cc;
52 end Is_Control;
53
54 --------------
55 -- Is_Digit --
56 --------------
57
58 function Is_Digit (Item : Wide_Wide_Character) return Boolean
59 renames Ada.Wide_Wide_Characters.Unicode.Is_Digit;
60
61 ----------------
62 -- Is_Graphic --
63 ----------------
64
65 function Is_Graphic (Item : Wide_Wide_Character) return Boolean is
66 begin
67 return not Is_Non_Graphic (Item);
68 end Is_Graphic;
69
70 --------------------------
71 -- Is_Hexadecimal_Digit --
72 --------------------------
73
74 function Is_Hexadecimal_Digit (Item : Wide_Wide_Character) return Boolean is
75 begin
76 return Is_Digit (Item)
77 or else Item in 'A' .. 'F'
78 or else Item in 'a' .. 'f';
79 end Is_Hexadecimal_Digit;
80
81 ---------------
82 -- Is_Letter --
83 ---------------
84
85 function Is_Letter (Item : Wide_Wide_Character) return Boolean
86 renames Ada.Wide_Wide_Characters.Unicode.Is_Letter;
87
88 ------------------------
89 -- Is_Line_Terminator --
90 ------------------------
91
92 function Is_Line_Terminator (Item : Wide_Wide_Character) return Boolean
93 renames Ada.Wide_Wide_Characters.Unicode.Is_Line_Terminator;
94
95 --------------
96 -- Is_Lower --
97 --------------
98
99 function Is_Lower (Item : Wide_Wide_Character) return Boolean is
100 begin
101 return Get_Category (Item) = Ll;
102 end Is_Lower;
103
104 -------------
105 -- Is_Mark --
106 -------------
107
108 function Is_Mark (Item : Wide_Wide_Character) return Boolean
109 renames Ada.Wide_Wide_Characters.Unicode.Is_Mark;
110
111 ---------------------
112 -- Is_Other_Format --
113 ---------------------
114
115 function Is_Other_Format (Item : Wide_Wide_Character) return Boolean
116 renames Ada.Wide_Wide_Characters.Unicode.Is_Other;
117
118 ------------------------------
119 -- Is_Punctuation_Connector --
120 ------------------------------
121
122 function Is_Punctuation_Connector
123 (Item : Wide_Wide_Character) return Boolean
124 renames Ada.Wide_Wide_Characters.Unicode.Is_Punctuation;
125
126 --------------
127 -- Is_Space --
128 --------------
129
130 function Is_Space (Item : Wide_Wide_Character) return Boolean
131 renames Ada.Wide_Wide_Characters.Unicode.Is_Space;
132
133 ----------------
134 -- Is_Special --
135 ----------------
136
137 function Is_Special (Item : Wide_Wide_Character) return Boolean is
138 begin
139 return Is_Graphic (Item) and then not Is_Alphanumeric (Item);
140 end Is_Special;
141
142 --------------
143 -- Is_Upper --
144 --------------
145
146 function Is_Upper (Item : Wide_Wide_Character) return Boolean is
147 begin
148 return Get_Category (Item) = Lu;
149 end Is_Upper;
150
151 --------------
152 -- To_Lower --
153 --------------
154
155 function To_Lower (Item : Wide_Wide_Character) return Wide_Wide_Character
156 renames Ada.Wide_Wide_Characters.Unicode.To_Lower_Case;
157
158 function To_Lower (Item : Wide_Wide_String) return Wide_Wide_String is
159 Result : Wide_Wide_String (Item'Range);
160
161 begin
162 for J in Result'Range loop
163 Result (J) := To_Lower (Item (J));
164 end loop;
165
166 return Result;
167 end To_Lower;
168
169 --------------
170 -- To_Upper --
171 --------------
172
173 function To_Upper (Item : Wide_Wide_Character) return Wide_Wide_Character
174 renames Ada.Wide_Wide_Characters.Unicode.To_Upper_Case;
175
176 function To_Upper (Item : Wide_Wide_String) return Wide_Wide_String is
177 Result : Wide_Wide_String (Item'Range);
178
179 begin
180 for J in Result'Range loop
181 Result (J) := To_Upper (Item (J));
182 end loop;
183
184 return Result;
185 end To_Upper;
186
187 end Ada.Wide_Wide_Characters.Handling;