зеркало из https://github.com/microsoft/STL.git
290 строки
9.4 KiB
C++
290 строки
9.4 KiB
C++
// xlocinfo internal header
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// Copyright (c) Microsoft Corporation.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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#pragma once
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#ifndef _XLOCINFO_
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#define _XLOCINFO_
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#include <yvals_core.h>
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#if _STL_COMPILER_PREPROCESSOR
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#include <cstdlib>
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#include <xlocinfo.h>
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#include <xstddef>
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#include <xstring>
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#pragma pack(push, _CRT_PACKING)
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#pragma warning(push, _STL_WARNING_LEVEL)
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#pragma warning(disable : _STL_DISABLED_WARNINGS)
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_STL_DISABLE_CLANG_WARNINGS
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#pragma push_macro("new")
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#undef new
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_STD_BEGIN
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// CLASS _Timevec
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class _CRTIMP2_PURE_IMPORT _Timevec { // smart pointer to information used by _Strftime
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public:
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explicit __CLR_OR_THIS_CALL _Timevec(void* _Ptr = nullptr) : _Timeptr(_Ptr) {}
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__CLR_OR_THIS_CALL _Timevec(const _Timevec& _Right) : _Timeptr(nullptr) {
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*this = _Right;
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}
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__CLR_OR_THIS_CALL ~_Timevec() noexcept {
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_CSTD free(_Timeptr);
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}
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_Timevec& __CLR_OR_THIS_CALL operator=(const _Timevec& _Right) { // transfer ownership of _Timeptr from _Right
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if (this != &_Right) {
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_CSTD free(_Timeptr);
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_Timeptr = _Right._Timeptr;
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const_cast<_Timevec&>(_Right)._Timeptr = nullptr; // TRANSITION, should be movable-only
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}
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return *this;
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}
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void* __CLR_OR_THIS_CALL _Getptr() const {
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return _Timeptr;
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}
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private:
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void* _Timeptr; // pointer to time information
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};
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// CLASS _Locinfo
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class _CRTIMP2_PURE_IMPORT _Locinfo { // summary of all stuff specific to a locale used by standard facets
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public:
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using _Collvec = ::_Collvec;
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using _Ctypevec = ::_Ctypevec;
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using _Cvtvec = ::_Cvtvec;
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using _Timevec = _STD _Timevec;
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static void __CLRCALL_PURE_OR_CDECL _Locinfo_ctor(_Locinfo*, const char*);
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static void __CLRCALL_PURE_OR_CDECL _Locinfo_ctor(_Locinfo*, int, const char*);
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static void __CLRCALL_PURE_OR_CDECL _Locinfo_dtor(_Locinfo*);
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static _Locinfo& __CLRCALL_PURE_OR_CDECL _Locinfo_Addcats(_Locinfo*, int, const char*);
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__CLR_OR_THIS_CALL _Locinfo(const char* _Pch = "C")
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#ifndef _M_CEE
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: _Lock(_LOCK_LOCALE)
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#endif // _M_CEE
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{
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if (_Pch) {
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_Locinfo_ctor(this, _Pch);
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return;
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}
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_Xruntime_error("bad locale name");
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}
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__CLR_OR_THIS_CALL _Locinfo(int _Cat, const char* _Pch)
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#ifndef _M_CEE
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: _Lock(_LOCK_LOCALE)
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#endif // _M_CEE
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{
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if (_Pch) {
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_Locinfo_ctor(this, _Cat, _Pch);
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return;
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}
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_Xruntime_error("bad locale name");
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}
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__CLR_OR_THIS_CALL ~_Locinfo() noexcept {
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_Locinfo_dtor(this);
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}
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_Locinfo& __CLR_OR_THIS_CALL _Addcats(int _Cat, const char* _Pch) { // add facets matching category mask and NTBS
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if (_Pch) {
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return _Locinfo_Addcats(this, _Cat, _Pch);
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}
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_Xruntime_error("bad locale name");
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}
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const char* __CLR_OR_THIS_CALL _Getname() const {
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return _Newlocname._C_str();
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}
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_Collvec __CLR_OR_THIS_CALL _Getcoll() const {
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return ::_Getcoll();
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}
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_Ctypevec __CLR_OR_THIS_CALL _Getctype() const {
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return ::_Getctype();
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}
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_Cvtvec __CLR_OR_THIS_CALL _Getcvt() const {
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return ::_Getcvt();
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}
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const lconv* __CLR_OR_THIS_CALL _Getlconv() const {
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return localeconv();
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}
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_Timevec __CLR_OR_THIS_CALL _Gettnames() const {
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return _Timevec(::_Gettnames());
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}
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const char* __CLR_OR_THIS_CALL _Getdays() const {
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const char* _Ptr = ::_Getdays();
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if (_Ptr) { // capture names and free allocated C string
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const_cast<_Locinfo*>(this)->_Days = _Ptr;
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_CSTD free(const_cast<char*>(_Ptr));
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}
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return !_Days._Empty() ? _Days._C_str()
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: ":Sun:Sunday:Mon:Monday:Tue:Tuesday:Wed:Wednesday"
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":Thu:Thursday:Fri:Friday:Sat:Saturday";
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}
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const char* __CLR_OR_THIS_CALL _Getmonths() const {
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const char* _Ptr = ::_Getmonths();
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if (_Ptr) { // capture names and free allocated C string
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const_cast<_Locinfo*>(this)->_Months = _Ptr;
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_CSTD free(const_cast<char*>(_Ptr));
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}
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return !_Months._Empty() ? _Months._C_str()
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: ":Jan:January:Feb:February:Mar:March"
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":Apr:April:May:May:Jun:June"
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":Jul:July:Aug:August:Sep:September"
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":Oct:October:Nov:November:Dec:December";
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}
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const char* __CLR_OR_THIS_CALL _Getfalse() const {
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return "false";
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}
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const char* __CLR_OR_THIS_CALL _Gettrue() const {
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return "true";
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}
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int __CLR_OR_THIS_CALL _Getdateorder() const {
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return ::_Getdateorder();
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}
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_Timevec __CLR_OR_THIS_CALL _W_Gettnames() const {
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return _Timevec(::_W_Gettnames());
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}
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const unsigned short* __CLR_OR_THIS_CALL _W_Getdays() const {
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const wchar_t* _Ptr = ::_W_Getdays();
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if (_Ptr) { // capture names and free allocated C string
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const_cast<_Locinfo*>(this)->_W_Days = _Ptr;
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_CSTD free(const_cast<wchar_t*>(_Ptr));
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}
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const wchar_t* _Ret;
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if (_W_Days._Empty()) {
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_Ret = L":Sun:Sunday:Mon:Monday:Tue:Tuesday:Wed:Wednesday:Thu:Thursday:Fri:Friday:Sat:Saturday";
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} else {
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_Ret = _W_Days._C_str();
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}
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return reinterpret_cast<const unsigned short*>(_Ret);
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}
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const unsigned short* __CLR_OR_THIS_CALL _W_Getmonths() const {
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const wchar_t* _Ptr = ::_W_Getmonths();
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if (_Ptr) { // capture names and free allocated C string
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const_cast<_Locinfo*>(this)->_W_Months = _Ptr;
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_CSTD free(const_cast<wchar_t*>(_Ptr));
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}
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const wchar_t* _Ret;
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if (_W_Months._Empty()) {
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_Ret = L":Jan:January:Feb:February:Mar:March:Apr:April:May:May:Jun:June"
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L":Jul:July:Aug:August:Sep:September:Oct:October:Nov:November:Dec:December";
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} else {
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_Ret = _W_Months._C_str();
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}
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return reinterpret_cast<const unsigned short*>(_Ret);
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}
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_Locinfo(const _Locinfo&) = delete;
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_Locinfo& operator=(const _Locinfo&) = delete;
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private:
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#ifdef _M_CEE
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_EmptyLockit _Empty_lock; // to maintain same size
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#else // _M_CEE
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_Lockit _Lock; // thread lock, because global locale is altered
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#endif // _M_CEE
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_Yarn<char> _Days; // weekday names
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_Yarn<char> _Months; // month names
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_Yarn<wchar_t> _W_Days; // wide weekday names
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_Yarn<wchar_t> _W_Months; // wide month names
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_Yarn<char> _Oldlocname; // old locale name to revert to on destruction
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_Yarn<char> _Newlocname; // new locale name for this object
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};
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// FUNCTION TEMPLATE _LStrcoll
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template <class _Elem>
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int __CRTDECL _LStrcoll(const _Elem* _First1, const _Elem* _Last1, const _Elem* _First2, const _Elem* _Last2,
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const _Locinfo::_Collvec*) { // perform locale-specific comparison of _Elem sequences
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for (; _First1 != _Last1 && _First2 != _Last2; ++_First1, ++_First2) {
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if (*_First1 < *_First2) {
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return -1; // [_First1, _Last1) < [_First2, _Last2)
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} else if (*_First2 < *_First1) {
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return +1; // [_First1, _Last1) > [_First2, _Last2)
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}
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}
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return _First2 != _Last2 ? -1 : _First1 != _Last1 ? +1 : 0;
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}
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template <>
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inline int __CRTDECL _LStrcoll(const char* _First1, const char* _Last1, const char* _First2, const char* _Last2,
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const _Locinfo::_Collvec* _Vector) { // perform locale-specific comparison of char sequences
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return _Strcoll(_First1, _Last1, _First2, _Last2, _Vector);
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}
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template <>
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inline int __CRTDECL _LStrcoll(const wchar_t* _First1, const wchar_t* _Last1, const wchar_t* _First2,
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const wchar_t* _Last2,
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const _Locinfo::_Collvec* _Vector) { // perform locale-specific comparison of wchar_t sequences
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return _Wcscoll(_First1, _Last1, _First2, _Last2, _Vector);
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}
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// FUNCTION TEMPLATE _LStrxfrm
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template <class _Elem>
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size_t __CRTDECL _LStrxfrm(_Elem* _First1, _Elem* _Last1, const _Elem* _First2, const _Elem* _Last2,
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const _Locinfo::_Collvec*) { // perform locale-specific transform of _Elems [_First1, _Last1)
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const ptrdiff_t _Count = _Last2 - _First2;
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if (_Count <= _Last1 - _First1) {
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_CSTD memcpy(_First1, _First2, _Count * sizeof(_Elem));
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}
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return _Count;
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}
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template <>
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inline size_t __CRTDECL _LStrxfrm(_Out_writes_(_Last1 - _First1) _Post_readable_size_(return ) char* _First1,
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_In_z_ char* _Last1, const char* _First2, const char* _Last2,
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const _Locinfo::_Collvec* _Vector) { // perform locale-specific transform of chars [_First1, _Last1)
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return _Strxfrm(_First1, _Last1, _First2, _Last2, _Vector);
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}
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template <>
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inline size_t __CRTDECL _LStrxfrm(_Out_writes_(_Last1 - _First1) _Post_readable_size_(return ) wchar_t* _First1,
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_In_z_ wchar_t* _Last1, const wchar_t* _First2, const wchar_t* _Last2,
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const _Locinfo::_Collvec* _Vector) { // perform locale-specific transform of wchar_ts [_First1, _Last1)
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return _Wcsxfrm(_First1, _Last1, _First2, _Last2, _Vector);
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}
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_STD_END
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#pragma pop_macro("new")
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_STL_RESTORE_CLANG_WARNINGS
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#pragma warning(pop)
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#pragma pack(pop)
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#endif // _STL_COMPILER_PREPROCESSOR
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#endif // _XLOCINFO_
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