File: gnatcoll-io-native-codec__win32.adb

package info (click to toggle)
libgnatcoll 18-4
  • links: PTS, VCS
  • area: main
  • in suites: bullseye, buster, sid
  • size: 5,068 kB
  • sloc: ada: 40,393; python: 354; ansic: 310; makefile: 245; sh: 31
file content (96 lines) | stat: -rw-r--r-- 3,482 bytes parent folder | download | duplicates (2)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
------------------------------------------------------------------------------
--                             G N A T C O L L                              --
--                                                                          --
--                     Copyright (C) 2008-2017, AdaCore                     --
--                                                                          --
-- This library is free software;  you can redistribute it and/or modify it --
-- under terms of the  GNU General Public License  as published by the Free --
-- Software  Foundation;  either version 3,  or (at your  option) any later --
-- version. This library is distributed in the hope that it will be useful, --
-- but WITHOUT ANY WARRANTY;  without even the implied warranty of MERCHAN- --
-- TABILITY or FITNESS FOR A PARTICULAR PURPOSE.                            --
--                                                                          --
--                                                                          --
--                                                                          --
--                                                                          --
--                                                                          --
-- You should have received a copy of the GNU General Public License and    --
-- a copy of the GCC Runtime Library Exception along with this program;     --
-- see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see    --
-- <http://www.gnu.org/licenses/>.                                          --
--                                                                          --
------------------------------------------------------------------------------

--  Windows version: all paths are already utf-8 encoded by mingw when
--  GNAT_CODE_PAGE is CP_UTF8. Otherwise we need to convert to/from UTF-8.

with Ada.Characters.Handling;   use Ada.Characters.Handling;
with Ada.Environment_Variables; use Ada.Environment_Variables;

with GNAT.Decode_UTF8_String;   use GNAT.Decode_UTF8_String;
with GNAT.Encode_UTF8_String;   use GNAT.Encode_UTF8_String;

separate (GNATCOLL.IO.Native)
package body Codec is

   Is_UTF8 : Boolean := True;

   procedure Initialize;
   --  Initialize current Windows code page

   ----------------
   -- Initialize --
   ----------------

   procedure Initialize is
   begin
      if Exists ("GNAT_CODE_PAGE")
        and then Value ("GNAT_CODE_PAGE") = "CP_ACP"
      then
         Is_UTF8 := False;
      end if;
   end Initialize;

   -------------
   -- To_UTF8 --
   -------------

   function To_UTF8 (Path : Wide_String) return String is
   begin
      if Is_UTF8 then
         return To_String (Path);
      else
         return Encode_Wide_String (Path);
      end if;
   end To_UTF8;

   function To_UTF8 (Path : FS_String) return String is
   begin
      if Is_UTF8 then
         return String (Path);
      else
         return Encode_Wide_String (To_Wide_String (String (Path)));
      end if;
   end To_UTF8;

   ---------------
   -- From_UTF8 --
   ---------------

   function From_UTF8 (Path : String) return Wide_String is
   begin
      if Is_UTF8 then
         return Decode_Wide_String (Path);
      else
         return To_Wide_String (Path);
      end if;
   end From_UTF8;

   function From_UTF8 (Path : String) return FS_String is
   begin
      return FS_String (To_String (From_UTF8 (Path)));
   end From_UTF8;

begin
   Initialize;
end Codec;