STL/stl/inc/xlocinfo

290 строки
9.4 KiB
C++

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