91322f44 |
1 | // Created on: 2013-01-17 |
2 | // Created by: Kirill GAVRILOV |
d5f74e42 |
3 | // Copyright (c) 2013-2014 OPEN CASCADE SAS |
91322f44 |
4 | // |
973c2be1 |
5 | // This file is part of Open CASCADE Technology software library. |
91322f44 |
6 | // |
d5f74e42 |
7 | // This library is free software; you can redistribute it and/or modify it under |
8 | // the terms of the GNU Lesser General Public License version 2.1 as published |
973c2be1 |
9 | // by the Free Software Foundation, with special exception defined in the file |
10 | // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT |
11 | // distribution for complete text of the license and disclaimer of any warranty. |
91322f44 |
12 | // |
973c2be1 |
13 | // Alternatively, this file may be used under the terms of Open CASCADE |
14 | // commercial license or contractual agreement. |
91322f44 |
15 | |
16 | #ifndef _Standard_CLocaleSentry_H__ |
17 | #define _Standard_CLocaleSentry_H__ |
18 | |
19 | #include <Standard_Macro.hxx> |
20 | |
21 | #include <locale.h> |
22 | |
0304f711 |
23 | #ifndef HAVE_XLOCALE_H |
24 | //! "xlocale.h" available in Mac OS X and glibc (Linux) for a long time as an extension |
25 | //! and become part of POSIX since '2008. |
26 | //! Notice that this is impossible to test (_POSIX_C_SOURCE >= 200809L) |
27 | //! since POSIX didn't declared such identifier. |
28 | #if defined(__APPLE__) |
29 | #define HAVE_XLOCALE_H |
30 | #endif |
31 | |
32 | //! We check _GNU_SOURCE for glibc extensions here and it is always defined by g++ compiler. |
33 | #if defined(_GNU_SOURCE) && !defined(__ANDROID__) |
91322f44 |
34 | #define HAVE_XLOCALE_H |
35 | #endif |
0304f711 |
36 | #endif // ifndef HAVE_LOCALE_H |
37 | |
38 | #ifdef HAVE_XLOCALE_H |
39 | #include <xlocale.h> |
91322f44 |
40 | #endif |
41 | |
9bf6baed |
42 | #if !defined(__ANDROID__) |
43 | |
91322f44 |
44 | //! This class intended to temporary switch C locale and logically equivalent to setlocale(LC_ALL, "C"). |
45 | //! It is intended to format text regardless of user locale settings (for import/export functionality). |
46 | //! Thus following calls to sprintf, atoi and other functions will use "C" locale. |
47 | //! Destructor of this class will return original locale. |
48 | //! |
49 | //! Notice that this functionality is platfrom dependent and intended only to workaround alien code |
50 | //! that doesn't setup locale correctly. |
51 | //! |
52 | //! Internally you should prefer more portable C++ locale interfaces |
53 | //! or OCCT wrappers to some C functions like Sprintf, Atof, Strtod. |
54 | class Standard_CLocaleSentry |
55 | { |
56 | public: |
57 | |
58 | //! Setup current C locale to "C". |
59 | Standard_EXPORT Standard_CLocaleSentry(); |
60 | |
61 | //! Restore previous locale. |
9bf6baed |
62 | Standard_EXPORT ~Standard_CLocaleSentry(); |
91322f44 |
63 | |
64 | public: |
65 | |
66 | #ifdef HAVE_XLOCALE_H |
67 | typedef locale_t clocale_t; |
68 | #elif defined(_WIN32) |
69 | typedef _locale_t clocale_t; |
70 | #else |
71 | typedef void* clocale_t; |
72 | #endif |
73 | |
74 | //! @return locale "C" instance (locale_t within xlocale or _locale_t within Windows) |
75 | //! to be used for _l functions with locale argument. |
76 | static Standard_EXPORT clocale_t GetCLocale(); |
77 | |
78 | private: |
79 | |
80 | void* myPrevLocale; //!< previous locale, platform-dependent pointer! |
81 | #ifdef _WIN32 |
82 | int myPrevTLocaleState; //!< previous thread-locale state, MSVCRT-specific |
83 | #endif |
84 | |
85 | private: |
86 | |
87 | //! Copying disallowed |
88 | Standard_CLocaleSentry (const Standard_CLocaleSentry& ); |
89 | Standard_CLocaleSentry& operator= (const Standard_CLocaleSentry& ); |
90 | |
91 | }; |
92 | |
9bf6baed |
93 | #else |
94 | |
95 | //! C/C++ runtime on Android currently supports only C-locale, no need to call anything. |
96 | class Standard_CLocaleSentry |
97 | { |
98 | public: |
99 | Standard_CLocaleSentry() {} |
100 | typedef void* clocale_t; |
101 | static clocale_t GetCLocale() { return 0; } |
102 | }; |
103 | |
104 | #endif // __ANDROID__ |
105 | |
91322f44 |
106 | #endif // _Standard_CLocaleSentry_H__ |