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1// -*- C++ -*-
2//===-----------------------------------------------------------------------===//
3//
4// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
5// See https://llvm.org/LICENSE.txt for license information.
6// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
7//
8//===----------------------------------------------------------------------===//
9
10#ifndef _LIBCPP___CXX03___LOCALE_LOCALE_BASE_API_WIN32_H
11#define _LIBCPP___CXX03___LOCALE_LOCALE_BASE_API_WIN32_H
12
13#include <__cxx03/__config>
14#include <__cxx03/cstddef>
15#include <__cxx03/locale.h> // _locale_t
16#include <__cxx03/stdio.h>
17#include <__cxx03/string>
18
19#define _X_ALL LC_ALL
20#define _X_COLLATE LC_COLLATE
21#define _X_CTYPE LC_CTYPE
22#define _X_MONETARY LC_MONETARY
23#define _X_NUMERIC LC_NUMERIC
24#define _X_TIME LC_TIME
25#define _X_MAX LC_MAX
26#define _X_MESSAGES 6
27#define _NCAT (_X_MESSAGES + 1)
28
29#define _CATMASK(n) ((1 << (n)) >> 1)
30#define _M_COLLATE _CATMASK(_X_COLLATE)
31#define _M_CTYPE _CATMASK(_X_CTYPE)
32#define _M_MONETARY _CATMASK(_X_MONETARY)
33#define _M_NUMERIC _CATMASK(_X_NUMERIC)
34#define _M_TIME _CATMASK(_X_TIME)
35#define _M_MESSAGES _CATMASK(_X_MESSAGES)
36#define _M_ALL (_CATMASK(_NCAT) - 1)
37
38#define LC_COLLATE_MASK _M_COLLATE
39#define LC_CTYPE_MASK _M_CTYPE
40#define LC_MONETARY_MASK _M_MONETARY
41#define LC_NUMERIC_MASK _M_NUMERIC
42#define LC_TIME_MASK _M_TIME
43#define LC_MESSAGES_MASK _M_MESSAGES
44#define LC_ALL_MASK \
45 (LC_COLLATE_MASK | LC_CTYPE_MASK | LC_MESSAGES_MASK | LC_MONETARY_MASK | LC_NUMERIC_MASK | LC_TIME_MASK)
46
47class __lconv_storage {
48public:
49 __lconv_storage(const lconv* __lc_input) {
50 __lc_ = *__lc_input;
51
52 __decimal_point_ = __lc_input->decimal_point;
53 __thousands_sep_ = __lc_input->thousands_sep;
54 __grouping_ = __lc_input->grouping;
55 __int_curr_symbol_ = __lc_input->int_curr_symbol;
56 __currency_symbol_ = __lc_input->currency_symbol;
57 __mon_decimal_point_ = __lc_input->mon_decimal_point;
58 __mon_thousands_sep_ = __lc_input->mon_thousands_sep;
59 __mon_grouping_ = __lc_input->mon_grouping;
60 __positive_sign_ = __lc_input->positive_sign;
61 __negative_sign_ = __lc_input->negative_sign;
62
63 __lc_.decimal_point = const_cast<char*>(__decimal_point_.c_str());
64 __lc_.thousands_sep = const_cast<char*>(__thousands_sep_.c_str());
65 __lc_.grouping = const_cast<char*>(__grouping_.c_str());
66 __lc_.int_curr_symbol = const_cast<char*>(__int_curr_symbol_.c_str());
67 __lc_.currency_symbol = const_cast<char*>(__currency_symbol_.c_str());
68 __lc_.mon_decimal_point = const_cast<char*>(__mon_decimal_point_.c_str());
69 __lc_.mon_thousands_sep = const_cast<char*>(__mon_thousands_sep_.c_str());
70 __lc_.mon_grouping = const_cast<char*>(__mon_grouping_.c_str());
71 __lc_.positive_sign = const_cast<char*>(__positive_sign_.c_str());
72 __lc_.negative_sign = const_cast<char*>(__negative_sign_.c_str());
73 }
74
75 lconv* __get() { return &__lc_; }
76
77private:
78 lconv __lc_;
79 std::string __decimal_point_;
80 std::string __thousands_sep_;
81 std::string __grouping_;
82 std::string __int_curr_symbol_;
83 std::string __currency_symbol_;
84 std::string __mon_decimal_point_;
85 std::string __mon_thousands_sep_;
86 std::string __mon_grouping_;
87 std::string __positive_sign_;
88 std::string __negative_sign_;
89};
90
91class locale_t {
92public:
93 locale_t() : __locale_(nullptr), __locale_str_(nullptr), __lc_(nullptr) {}
94 locale_t(std::nullptr_t) : __locale_(nullptr), __locale_str_(nullptr), __lc_(nullptr) {}
95 locale_t(_locale_t __xlocale, const char* __xlocale_str)
96 : __locale_(__xlocale), __locale_str_(__xlocale_str), __lc_(nullptr) {}
97 locale_t(const locale_t& __l) : __locale_(__l.__locale_), __locale_str_(__l.__locale_str_), __lc_(nullptr) {}
98
99 ~locale_t() { delete __lc_; }
100
101 locale_t& operator=(const locale_t& __l) {
102 __locale_ = __l.__locale_;
103 __locale_str_ = __l.__locale_str_;
104 // __lc_ not copied
105 return *this;
106 }
107
108 friend bool operator==(const locale_t& __left, const locale_t& __right) {
109 return __left.__locale_ == __right.__locale_;
110 }
111
112 friend bool operator==(const locale_t& __left, int __right) { return __left.__locale_ == nullptr && __right == 0; }
113
114 friend bool operator==(const locale_t& __left, long long __right) {
115 return __left.__locale_ == nullptr && __right == 0;
116 }
117
118 friend bool operator==(const locale_t& __left, std::nullptr_t) { return __left.__locale_ == nullptr; }
119
120 friend bool operator==(int __left, const locale_t& __right) { return __left == 0 && nullptr == __right.__locale_; }
121
122 friend bool operator==(std::nullptr_t, const locale_t& __right) { return nullptr == __right.__locale_; }
123
124 friend bool operator!=(const locale_t& __left, const locale_t& __right) { return !(__left == __right); }
125
126 friend bool operator!=(const locale_t& __left, int __right) { return !(__left == __right); }
127
128 friend bool operator!=(const locale_t& __left, long long __right) { return !(__left == __right); }
129
130 friend bool operator!=(const locale_t& __left, std::nullptr_t __right) { return !(__left == __right); }
131
132 friend bool operator!=(int __left, const locale_t& __right) { return !(__left == __right); }
133
134 friend bool operator!=(std::nullptr_t __left, const locale_t& __right) { return !(__left == __right); }
135
136 operator bool() const { return __locale_ != nullptr; }
137
138 const char* __get_locale() const { return __locale_str_; }
139
140 operator _locale_t() const { return __locale_; }
141
142 lconv* __store_lconv(const lconv* __input_lc) {
143 delete __lc_;
144 __lc_ = new __lconv_storage(__input_lc);
145 return __lc_->__get();
146 }
147
148private:
149 _locale_t __locale_;
150 const char* __locale_str_;
151 __lconv_storage* __lc_ = nullptr;
152};
153
154// Locale management functions
155#define freelocale _free_locale
156// FIXME: base currently unused. Needs manual work to construct the new locale
157locale_t newlocale(int __mask, const char* __locale, locale_t __base);
158// uselocale can't be implemented on Windows because Windows allows partial modification
159// of thread-local locale and so _get_current_locale() returns a copy while uselocale does
160// not create any copies.
161// We can still implement raii even without uselocale though.
162
163lconv* localeconv_l(locale_t& __loc);
164size_t mbrlen_l(const char* __restrict __s, size_t __n, mbstate_t* __restrict __ps, locale_t __loc);
165size_t mbsrtowcs_l(
166 wchar_t* __restrict __dst, const char** __restrict __src, size_t __len, mbstate_t* __restrict __ps, locale_t __loc);
167size_t wcrtomb_l(char* __restrict __s, wchar_t __wc, mbstate_t* __restrict __ps, locale_t __loc);
168size_t mbrtowc_l(
169 wchar_t* __restrict __pwc, const char* __restrict __s, size_t __n, mbstate_t* __restrict __ps, locale_t __loc);
170size_t mbsnrtowcs_l(wchar_t* __restrict __dst,
171 const char** __restrict __src,
172 size_t __nms,
173 size_t __len,
174 mbstate_t* __restrict __ps,
175 locale_t __loc);
176size_t wcsnrtombs_l(char* __restrict __dst,
177 const wchar_t** __restrict __src,
178 size_t __nwc,
179 size_t __len,
180 mbstate_t* __restrict __ps,
181 locale_t __loc);
182wint_t btowc_l(int __c, locale_t __loc);
183int wctob_l(wint_t __c, locale_t __loc);
184
185decltype(MB_CUR_MAX) MB_CUR_MAX_L(locale_t __l);
186
187// the *_l functions are prefixed on Windows, only available for msvcr80+, VS2005+
188#define mbtowc_l _mbtowc_l
189#define strtoll_l _strtoi64_l
190#define strtoull_l _strtoui64_l
191#define strtod_l _strtod_l
192#if defined(_LIBCPP_MSVCRT)
193# define strtof_l _strtof_l
194# define strtold_l _strtold_l
195#else
196_LIBCPP_EXPORTED_FROM_ABI float strtof_l(const char*, char**, locale_t);
197_LIBCPP_EXPORTED_FROM_ABI long double strtold_l(const char*, char**, locale_t);
198#endif
199inline _LIBCPP_HIDE_FROM_ABI int islower_l(int __c, _locale_t __loc) { return _islower_l((int)__c, __loc); }
200
201inline _LIBCPP_HIDE_FROM_ABI int isupper_l(int __c, _locale_t __loc) { return _isupper_l((int)__c, __loc); }
202
203#define isdigit_l _isdigit_l
204#define isxdigit_l _isxdigit_l
205#define strcoll_l _strcoll_l
206#define strxfrm_l _strxfrm_l
207#define wcscoll_l _wcscoll_l
208#define wcsxfrm_l _wcsxfrm_l
209#define toupper_l _toupper_l
210#define tolower_l _tolower_l
211#define iswspace_l _iswspace_l
212#define iswprint_l _iswprint_l
213#define iswcntrl_l _iswcntrl_l
214#define iswupper_l _iswupper_l
215#define iswlower_l _iswlower_l
216#define iswalpha_l _iswalpha_l
217#define iswdigit_l _iswdigit_l
218#define iswpunct_l _iswpunct_l
219#define iswxdigit_l _iswxdigit_l
220#define towupper_l _towupper_l
221#define towlower_l _towlower_l
222#if defined(__MINGW32__) && __MSVCRT_VERSION__ < 0x0800
223_LIBCPP_EXPORTED_FROM_ABI size_t strftime_l(char* ret, size_t n, const char* format, const struct tm* tm, locale_t loc);
224#else
225# define strftime_l _strftime_l
226#endif
227#define sscanf_l(__s, __l, __f, ...) _sscanf_l(__s, __f, __l, __VA_ARGS__)
228_LIBCPP_EXPORTED_FROM_ABI int snprintf_l(char* __ret, size_t __n, locale_t __loc, const char* __format, ...);
229_LIBCPP_EXPORTED_FROM_ABI int asprintf_l(char** __ret, locale_t __loc, const char* __format, ...);
230_LIBCPP_EXPORTED_FROM_ABI int vasprintf_l(char** __ret, locale_t __loc, const char* __format, va_list __ap);
231
232// not-so-pressing FIXME: use locale to determine blank characters
233inline int iswblank_l(wint_t __c, locale_t /*loc*/) { return (__c == L' ' || __c == L'\t'); }
234
235#endif // _LIBCPP___CXX03___LOCALE_LOCALE_BASE_API_WIN32_H
236

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source code of libcxx/include/__cxx03/__locale_dir/locale_base_api/win32.h