1 // -*- C++ -*-
2 //===--------------------- support/win32/locale_win32.h -------------------===//
3 //
4 //                     The LLVM Compiler Infrastructure
5 //
6 // This file is dual licensed under the MIT and the University of Illinois Open
7 // Source Licenses. See LICENSE.TXT for details.
8 //
9 //===----------------------------------------------------------------------===//
10 
11 #ifndef _LIBCPP_SUPPORT_WIN32_LOCALE_WIN32_H
12 #define _LIBCPP_SUPPORT_WIN32_LOCALE_WIN32_H
13 
14 #include <__config>
15 #include <stdio.h>
16 #include <xlocinfo.h> // _locale_t
17 #include <__nullptr>
18 
19 #define LC_COLLATE_MASK _M_COLLATE
20 #define LC_CTYPE_MASK _M_CTYPE
21 #define LC_MONETARY_MASK _M_MONETARY
22 #define LC_NUMERIC_MASK _M_NUMERIC
23 #define LC_TIME_MASK _M_TIME
24 #define LC_MESSAGES_MASK _M_MESSAGES
25 #define LC_ALL_MASK (  LC_COLLATE_MASK \
26                      | LC_CTYPE_MASK \
27                      | LC_MESSAGES_MASK \
28                      | LC_MONETARY_MASK \
29                      | LC_NUMERIC_MASK \
30                      | LC_TIME_MASK )
31 
32 class locale_t {
33 public:
locale_t()34     locale_t()
35         : __locale(nullptr), __locale_str(nullptr) {}
locale_t(std::nullptr_t)36     locale_t(std::nullptr_t)
37         : __locale(nullptr), __locale_str(nullptr) {}
locale_t(_locale_t __locale,const char * __locale_str)38     locale_t(_locale_t __locale, const char* __locale_str)
39         : __locale(__locale), __locale_str(__locale_str) {}
40 
41     friend bool operator==(const locale_t& __left, const locale_t& __right) {
42         return __left.__locale == __right.__locale;
43     }
44 
45     friend bool operator==(const locale_t& __left, int __right) {
46         return __left.__locale == nullptr && __right == 0;
47     }
48 
49     friend bool operator==(const locale_t& __left, std::nullptr_t) {
50         return __left.__locale == nullptr;
51     }
52 
53     friend bool operator==(int __left, const locale_t& __right) {
54         return __left == 0 && nullptr == __right.__locale;
55     }
56 
57     friend bool operator==(std::nullptr_t, const locale_t& __right) {
58         return nullptr == __right.__locale;
59     }
60 
61     friend bool operator!=(const locale_t& __left, const locale_t& __right) {
62         return !(__left == __right);
63     }
64 
65     friend bool operator!=(const locale_t& __left, int __right) {
66         return !(__left == __right);
67     }
68 
69     friend bool operator!=(const locale_t& __left, std::nullptr_t __right) {
70         return !(__left == __right);
71     }
72 
73     friend bool operator!=(int __left, const locale_t& __right) {
74         return !(__left == __right);
75     }
76 
77     friend bool operator!=(std::nullptr_t __left, const locale_t& __right) {
78         return !(__left == __right);
79     }
80 
81     operator bool() const {
82         return __locale != nullptr;
83     }
84 
__get_locale()85     const char* __get_locale() const { return __locale_str; }
86 
_locale_t()87     operator _locale_t() const {
88         return __locale;
89     }
90 private:
91     _locale_t __locale;
92     const char* __locale_str;
93 };
94 
95 // Locale management functions
96 #define freelocale _free_locale
97 // FIXME: base currently unused. Needs manual work to construct the new locale
98 locale_t newlocale( int mask, const char * locale, locale_t base );
99 // uselocale can't be implemented on Windows because Windows allows partial modification
100 // of thread-local locale and so _get_current_locale() returns a copy while uselocale does
101 // not create any copies.
102 // We can still implement raii even without uselocale though.
103 
104 
105 lconv *localeconv_l( locale_t loc );
106 size_t mbrlen_l( const char *__restrict s, size_t n,
107                  mbstate_t *__restrict ps, locale_t loc);
108 size_t mbsrtowcs_l( wchar_t *__restrict dst, const char **__restrict src,
109                     size_t len, mbstate_t *__restrict ps, locale_t loc );
110 size_t wcrtomb_l( char *__restrict s, wchar_t wc, mbstate_t *__restrict ps,
111                   locale_t loc);
112 size_t mbrtowc_l( wchar_t *__restrict pwc, const char *__restrict s,
113                   size_t n, mbstate_t *__restrict ps, locale_t loc);
114 size_t mbsnrtowcs_l( wchar_t *__restrict dst, const char **__restrict src,
115                      size_t nms, size_t len, mbstate_t *__restrict ps, locale_t loc);
116 size_t wcsnrtombs_l( char *__restrict dst, const wchar_t **__restrict src,
117                      size_t nwc, size_t len, mbstate_t *__restrict ps, locale_t loc);
118 wint_t btowc_l( int c, locale_t loc );
119 int wctob_l( wint_t c, locale_t loc );
120 
121 decltype(MB_CUR_MAX) MB_CUR_MAX_L( locale_t __l );
122 
123 // the *_l functions are prefixed on Windows, only available for msvcr80+, VS2005+
124 #define mbtowc_l _mbtowc_l
125 #define strtoll_l _strtoi64_l
126 #define strtoull_l _strtoui64_l
127 #define strtod_l _strtod_l
128 #if defined(_LIBCPP_MSVCRT)
129 #define strtof_l _strtof_l
130 #define strtold_l _strtold_l
131 #else
132 float strtof_l(const char*, char**, locale_t);
133 long double strtold_l(const char*, char**, locale_t);
134 #endif
135 inline _LIBCPP_INLINE_VISIBILITY
136 int
islower_l(int c,_locale_t loc)137 islower_l(int c, _locale_t loc)
138 {
139  return _islower_l((int)c, loc);
140 }
141 
142 inline _LIBCPP_INLINE_VISIBILITY
143 int
isupper_l(int c,_locale_t loc)144 isupper_l(int c, _locale_t loc)
145 {
146  return _isupper_l((int)c, loc);
147 }
148 
149 #define isdigit_l _isdigit_l
150 #define isxdigit_l _isxdigit_l
151 #define strcoll_l _strcoll_l
152 #define strxfrm_l _strxfrm_l
153 #define wcscoll_l _wcscoll_l
154 #define wcsxfrm_l _wcsxfrm_l
155 #define toupper_l _toupper_l
156 #define tolower_l _tolower_l
157 #define iswspace_l _iswspace_l
158 #define iswprint_l _iswprint_l
159 #define iswcntrl_l _iswcntrl_l
160 #define iswupper_l _iswupper_l
161 #define iswlower_l _iswlower_l
162 #define iswalpha_l _iswalpha_l
163 #define iswdigit_l _iswdigit_l
164 #define iswpunct_l _iswpunct_l
165 #define iswxdigit_l _iswxdigit_l
166 #define towupper_l _towupper_l
167 #define towlower_l _towlower_l
168 #if defined(__MINGW32__) && __MSVCRT_VERSION__ < 0x0800
169 #define strftime_l( __s, __l, __f, __tm, __loc ) strftime( __s, __l, __f, __tm )
170 #else
171 #define strftime_l _strftime_l
172 #endif
173 #define sscanf_l( __s, __l, __f, ...) _sscanf_l( __s, __f, __l, __VA_ARGS__ )
174 #define sprintf_l( __s, __l, __f, ... ) _sprintf_l( __s, __f, __l, __VA_ARGS__ )
175 #define vsprintf_l( __s, __l, __f, ... ) _vsprintf_l( __s, __f, __l, __VA_ARGS__ )
176 #define vsnprintf_l( __s, __n, __l, __f, ... ) _vsnprintf_l( __s, __n, __f, __l, __VA_ARGS__ )
177 _LIBCPP_FUNC_VIS int snprintf_l(char *ret, size_t n, locale_t loc, const char *format, ...);
178 _LIBCPP_FUNC_VIS int asprintf_l( char **ret, locale_t loc, const char *format, ... );
179 _LIBCPP_FUNC_VIS int vasprintf_l( char **ret, locale_t loc, const char *format, va_list ap );
180 
181 // not-so-pressing FIXME: use locale to determine blank characters
isblank_l(int c,locale_t)182 inline int isblank_l( int c, locale_t /*loc*/ )
183 {
184     return ( c == ' ' || c == '\t' );
185 }
iswblank_l(wint_t c,locale_t)186 inline int iswblank_l( wint_t c, locale_t /*loc*/ )
187 {
188     return ( c == L' ' || c == L'\t' );
189 }
190 
191 #endif // _LIBCPP_SUPPORT_WIN32_LOCALE_WIN32_H
192