STL/stl/inc/xlocmes

142 строки
4.5 KiB
C++

// xlocmes internal header
// Copyright (c) Microsoft Corporation.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
#pragma once
#ifndef _XLOCMES_
#define _XLOCMES_
#include <yvals_core.h>
#if _STL_COMPILER_PREPROCESSOR
#include <xiosbase>
#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
// STRUCT messages_base
struct messages_base : locale::facet { // base class for messages
using catalog = int;
explicit messages_base(size_t _Refs = 0) : locale::facet(_Refs) {}
};
// CLASS TEMPLATE messages
template <class _Elem>
class messages : public messages_base { // facet for obtaining messages from a catalog
public:
static_assert(!_ENFORCE_FACET_SPECIALIZATIONS || _Is_any_of_v<_Elem, char, wchar_t, unsigned short>,
_FACET_SPECIALIZATION_MESSAGE);
using char_type = _Elem;
using string_type = basic_string<_Elem, char_traits<_Elem>, allocator<_Elem>>;
catalog open(const string& _Catname, const locale& _Loc) const { // open catalog
return do_open(_Catname, _Loc);
}
string_type get(catalog _Catval, int _Set, int _Message,
const string_type& _Dflt) const { // get message from set in catalog
return do_get(_Catval, _Set, _Message, _Dflt);
}
void close(catalog _Catval) const { // close catalog
do_close(_Catval);
}
__PURE_APPDOMAIN_GLOBAL _CRTIMP2_PURE_IMPORT static locale::id id; // unique facet id
explicit messages(size_t _Refs = 0) : messages_base(_Refs) { // construct from current locale
_BEGIN_LOCINFO(_Lobj)
_Init(_Lobj);
_END_LOCINFO()
}
messages(const _Locinfo& _Lobj, size_t _Refs = 0) : messages_base(_Refs) {
_Init(_Lobj);
}
static size_t _Getcat(const locale::facet** _Ppf = nullptr, const locale* _Ploc = nullptr) {
// return locale category mask and construct standard facet
if (_Ppf && !*_Ppf) {
*_Ppf = new messages<_Elem>(_Locinfo(_Ploc->c_str()));
}
return _X_MESSAGES;
}
protected:
messages(const char* _Locname, size_t _Refs = 0) : messages_base(_Refs) {
_BEGIN_LOCINFO(_Lobj(_Locname))
_Init(_Lobj);
_END_LOCINFO()
}
virtual __CLR_OR_THIS_CALL ~messages() noexcept {}
void _Init(const _Locinfo&) {} // initialize from _Locinfo object (do nothing)
virtual catalog __CLR_OR_THIS_CALL do_open(const string&, const locale&) const { // open catalog (do nothing)
return -1;
}
virtual string_type __CLR_OR_THIS_CALL do_get(catalog, int, int,
const string_type& _Dflt) const { // get message from set in catalog (return default)
return _Dflt;
}
virtual void __CLR_OR_THIS_CALL do_close(catalog) const {} // close catalog (do nothing)
};
// STATIC messages::id OBJECT
#ifdef __clang__
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wdllimport-static-field-def"
#endif // __clang__
template <class _Elem>
__PURE_APPDOMAIN_GLOBAL locale::id messages<_Elem>::id;
#ifdef __clang__
#pragma clang diagnostic pop
#endif // __clang__
// CLASS TEMPLATE messages_byname
template <class _Elem>
class messages_byname : public messages<_Elem> { // messages for named locale
public:
static_assert(!_ENFORCE_FACET_SPECIALIZATIONS || _Is_any_of_v<_Elem, char, wchar_t>, _FACET_SPECIALIZATION_MESSAGE);
explicit messages_byname(const char* _Locname, size_t _Refs = 0)
: messages<_Elem>(_Locname, _Refs) {} // construct for named locale
explicit messages_byname(const string& _Str, size_t _Refs = 0)
: messages<_Elem>(_Str.c_str(), _Refs) {} // construct for named locale
protected:
virtual __CLR_OR_THIS_CALL ~messages_byname() noexcept {}
};
#if defined(_DLL_CPPLIB)
#if !defined(_CRTBLD) || defined(__FORCE_INSTANCE)
template __PURE_APPDOMAIN_GLOBAL locale::id messages<char>::id;
template __PURE_APPDOMAIN_GLOBAL locale::id messages<wchar_t>::id;
#endif // !defined(_CRTBLD) || defined(__FORCE_INSTANCE)
#ifdef __FORCE_INSTANCE
template __PURE_APPDOMAIN_GLOBAL locale::id messages<unsigned short>::id;
#endif // __FORCE_INSTANCE
#endif // defined(_DLL_CPPLIB)
_STD_END
#pragma pop_macro("new")
_STL_RESTORE_CLANG_WARNINGS
#pragma warning(pop)
#pragma pack(pop)
#endif // _STL_COMPILER_PREPROCESSOR
#endif // _XLOCMES_