zig/lib/libcxx/include/support/win32/locale_win32.h

265 lines
9.1 KiB
C++

// -*- C++ -*-
//===--------------------- support/win32/locale_win32.h -------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#ifndef _LIBCPP_SUPPORT_WIN32_LOCALE_WIN32_H
#define _LIBCPP_SUPPORT_WIN32_LOCALE_WIN32_H
#include <__config>
#include <stdio.h>
#include <xlocinfo.h> // _locale_t
#include <__nullptr>
#define LC_COLLATE_MASK _M_COLLATE
#define LC_CTYPE_MASK _M_CTYPE
#define LC_MONETARY_MASK _M_MONETARY
#define LC_NUMERIC_MASK _M_NUMERIC
#define LC_TIME_MASK _M_TIME
#define LC_MESSAGES_MASK _M_MESSAGES
#define LC_ALL_MASK ( LC_COLLATE_MASK \
| LC_CTYPE_MASK \
| LC_MESSAGES_MASK \
| LC_MONETARY_MASK \
| LC_NUMERIC_MASK \
| LC_TIME_MASK )
class __lconv_storage {
public:
__lconv_storage(const lconv *__lc_input) {
__lc = *__lc_input;
__decimal_point = __lc_input->decimal_point;
__thousands_sep = __lc_input->thousands_sep;
__grouping = __lc_input->grouping;
__int_curr_symbol = __lc_input->int_curr_symbol;
__currency_symbol = __lc_input->currency_symbol;
__mon_decimal_point = __lc_input->mon_decimal_point;
__mon_thousands_sep = __lc_input->mon_thousands_sep;
__mon_grouping = __lc_input->mon_grouping;
__positive_sign = __lc_input->positive_sign;
__negative_sign = __lc_input->negative_sign;
__lc.decimal_point = const_cast<char *>(__decimal_point.c_str());
__lc.thousands_sep = const_cast<char *>(__thousands_sep.c_str());
__lc.grouping = const_cast<char *>(__grouping.c_str());
__lc.int_curr_symbol = const_cast<char *>(__int_curr_symbol.c_str());
__lc.currency_symbol = const_cast<char *>(__currency_symbol.c_str());
__lc.mon_decimal_point = const_cast<char *>(__mon_decimal_point.c_str());
__lc.mon_thousands_sep = const_cast<char *>(__mon_thousands_sep.c_str());
__lc.mon_grouping = const_cast<char *>(__mon_grouping.c_str());
__lc.positive_sign = const_cast<char *>(__positive_sign.c_str());
__lc.negative_sign = const_cast<char *>(__negative_sign.c_str());
}
lconv *__get() {
return &__lc;
}
private:
lconv __lc;
std::string __decimal_point;
std::string __thousands_sep;
std::string __grouping;
std::string __int_curr_symbol;
std::string __currency_symbol;
std::string __mon_decimal_point;
std::string __mon_thousands_sep;
std::string __mon_grouping;
std::string __positive_sign;
std::string __negative_sign;
};
class locale_t {
public:
locale_t()
: __locale(nullptr), __locale_str(nullptr), __lc(nullptr) {}
locale_t(std::nullptr_t)
: __locale(nullptr), __locale_str(nullptr), __lc(nullptr) {}
locale_t(_locale_t __xlocale, const char* __xlocale_str)
: __locale(__xlocale), __locale_str(__xlocale_str), __lc(nullptr) {}
locale_t(const locale_t &__l)
: __locale(__l.__locale), __locale_str(__l.__locale_str), __lc(nullptr) {}
~locale_t() {
delete __lc;
}
locale_t &operator =(const locale_t &__l) {
__locale = __l.__locale;
__locale_str = __l.__locale_str;
// __lc not copied
return *this;
}
friend bool operator==(const locale_t& __left, const locale_t& __right) {
return __left.__locale == __right.__locale;
}
friend bool operator==(const locale_t& __left, int __right) {
return __left.__locale == nullptr && __right == 0;
}
friend bool operator==(const locale_t& __left, long long __right) {
return __left.__locale == nullptr && __right == 0;
}
friend bool operator==(const locale_t& __left, std::nullptr_t) {
return __left.__locale == nullptr;
}
friend bool operator==(int __left, const locale_t& __right) {
return __left == 0 && nullptr == __right.__locale;
}
friend bool operator==(std::nullptr_t, const locale_t& __right) {
return nullptr == __right.__locale;
}
friend bool operator!=(const locale_t& __left, const locale_t& __right) {
return !(__left == __right);
}
friend bool operator!=(const locale_t& __left, int __right) {
return !(__left == __right);
}
friend bool operator!=(const locale_t& __left, long long __right) {
return !(__left == __right);
}
friend bool operator!=(const locale_t& __left, std::nullptr_t __right) {
return !(__left == __right);
}
friend bool operator!=(int __left, const locale_t& __right) {
return !(__left == __right);
}
friend bool operator!=(std::nullptr_t __left, const locale_t& __right) {
return !(__left == __right);
}
operator bool() const {
return __locale != nullptr;
}
const char* __get_locale() const { return __locale_str; }
operator _locale_t() const {
return __locale;
}
lconv *__store_lconv(const lconv *__input_lc) {
delete __lc;
__lc = new __lconv_storage(__input_lc);
return __lc->__get();
}
private:
_locale_t __locale;
const char* __locale_str;
__lconv_storage *__lc = nullptr;
};
// Locale management functions
#define freelocale _free_locale
// FIXME: base currently unused. Needs manual work to construct the new locale
locale_t newlocale( int mask, const char * locale, locale_t base );
// uselocale can't be implemented on Windows because Windows allows partial modification
// of thread-local locale and so _get_current_locale() returns a copy while uselocale does
// not create any copies.
// We can still implement raii even without uselocale though.
lconv *localeconv_l( locale_t &loc );
size_t mbrlen_l( const char *__restrict s, size_t n,
mbstate_t *__restrict ps, locale_t loc);
size_t mbsrtowcs_l( wchar_t *__restrict dst, const char **__restrict src,
size_t len, mbstate_t *__restrict ps, locale_t loc );
size_t wcrtomb_l( char *__restrict s, wchar_t wc, mbstate_t *__restrict ps,
locale_t loc);
size_t mbrtowc_l( wchar_t *__restrict pwc, const char *__restrict s,
size_t n, mbstate_t *__restrict ps, locale_t loc);
size_t mbsnrtowcs_l( wchar_t *__restrict dst, const char **__restrict src,
size_t nms, size_t len, mbstate_t *__restrict ps, locale_t loc);
size_t wcsnrtombs_l( char *__restrict dst, const wchar_t **__restrict src,
size_t nwc, size_t len, mbstate_t *__restrict ps, locale_t loc);
wint_t btowc_l( int c, locale_t loc );
int wctob_l( wint_t c, locale_t loc );
decltype(MB_CUR_MAX) MB_CUR_MAX_L( locale_t __l );
// the *_l functions are prefixed on Windows, only available for msvcr80+, VS2005+
#define mbtowc_l _mbtowc_l
#define strtoll_l _strtoi64_l
#define strtoull_l _strtoui64_l
#define strtod_l _strtod_l
#if defined(_LIBCPP_MSVCRT)
#define strtof_l _strtof_l
#define strtold_l _strtold_l
#else
float strtof_l(const char*, char**, locale_t);
long double strtold_l(const char*, char**, locale_t);
#endif
inline _LIBCPP_INLINE_VISIBILITY
int
islower_l(int c, _locale_t loc)
{
return _islower_l((int)c, loc);
}
inline _LIBCPP_INLINE_VISIBILITY
int
isupper_l(int c, _locale_t loc)
{
return _isupper_l((int)c, loc);
}
#define isdigit_l _isdigit_l
#define isxdigit_l _isxdigit_l
#define strcoll_l _strcoll_l
#define strxfrm_l _strxfrm_l
#define wcscoll_l _wcscoll_l
#define wcsxfrm_l _wcsxfrm_l
#define toupper_l _toupper_l
#define tolower_l _tolower_l
#define iswspace_l _iswspace_l
#define iswprint_l _iswprint_l
#define iswcntrl_l _iswcntrl_l
#define iswupper_l _iswupper_l
#define iswlower_l _iswlower_l
#define iswalpha_l _iswalpha_l
#define iswdigit_l _iswdigit_l
#define iswpunct_l _iswpunct_l
#define iswxdigit_l _iswxdigit_l
#define towupper_l _towupper_l
#define towlower_l _towlower_l
#if defined(__MINGW32__) && __MSVCRT_VERSION__ < 0x0800
_LIBCPP_FUNC_VIS size_t strftime_l(char *ret, size_t n, const char *format,
const struct tm *tm, locale_t loc);
#else
#define strftime_l _strftime_l
#endif
#define sscanf_l( __s, __l, __f, ...) _sscanf_l( __s, __f, __l, __VA_ARGS__ )
#define sprintf_l( __s, __l, __f, ... ) _sprintf_l( __s, __f, __l, __VA_ARGS__ )
#define vsprintf_l( __s, __l, __f, ... ) _vsprintf_l( __s, __f, __l, __VA_ARGS__ )
#define vsnprintf_l( __s, __n, __l, __f, ... ) _vsnprintf_l( __s, __n, __f, __l, __VA_ARGS__ )
_LIBCPP_FUNC_VIS int snprintf_l(char *ret, size_t n, locale_t loc, const char *format, ...);
_LIBCPP_FUNC_VIS int asprintf_l( char **ret, locale_t loc, const char *format, ... );
_LIBCPP_FUNC_VIS int vasprintf_l( char **ret, locale_t loc, const char *format, va_list ap );
// not-so-pressing FIXME: use locale to determine blank characters
inline int isblank_l( int c, locale_t /*loc*/ )
{
return ( c == ' ' || c == '\t' );
}
inline int iswblank_l( wint_t c, locale_t /*loc*/ )
{
return ( c == L' ' || c == L'\t' );
}
#endif // _LIBCPP_SUPPORT_WIN32_LOCALE_WIN32_H