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