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1758 lines
55 KiB
1758 lines
55 KiB
// -*- C++ -*-
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//===----------------------------------------------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#ifndef _LIBCPP___LOCALE
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#define _LIBCPP___LOCALE
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#include <__config>
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#include <__availability>
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#include <string>
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#include <memory>
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#include <utility>
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#include <mutex>
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#include <cstdint>
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#include <cctype>
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#include <locale.h>
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#if defined(_LIBCPP_MSVCRT_LIKE)
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# include <cstring>
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# include <support/win32/locale_win32.h>
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#elif defined(__NuttX__)
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# include <support/nuttx/xlocale.h>
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#elif defined(_AIX) || defined(__MVS__)
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# include <support/ibm/xlocale.h>
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#elif defined(__ANDROID__)
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# include <support/android/locale_bionic.h>
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#elif defined(__sun__)
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# include <xlocale.h>
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# include <support/solaris/xlocale.h>
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#elif defined(_NEWLIB_VERSION)
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# include <support/newlib/xlocale.h>
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#elif (defined(__APPLE__) || defined(__FreeBSD__) \
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|| defined(__EMSCRIPTEN__) || defined(__IBMCPP__))
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# include <xlocale.h>
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#elif defined(__Fuchsia__)
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# include <support/fuchsia/xlocale.h>
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#elif defined(__wasi__)
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// WASI libc uses musl's locales support.
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# include <support/musl/xlocale.h>
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#elif defined(_LIBCPP_HAS_MUSL_LIBC)
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# include <support/musl/xlocale.h>
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#endif
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#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
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#pragma GCC system_header
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#endif
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_LIBCPP_BEGIN_NAMESPACE_STD
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#if !defined(_LIBCPP_LOCALE__L_EXTENSIONS)
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struct __libcpp_locale_guard {
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_LIBCPP_INLINE_VISIBILITY
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__libcpp_locale_guard(locale_t& __loc) : __old_loc_(uselocale(__loc)) {}
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_LIBCPP_INLINE_VISIBILITY
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~__libcpp_locale_guard() {
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if (__old_loc_)
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uselocale(__old_loc_);
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}
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locale_t __old_loc_;
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private:
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__libcpp_locale_guard(__libcpp_locale_guard const&);
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__libcpp_locale_guard& operator=(__libcpp_locale_guard const&);
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};
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#elif defined(_LIBCPP_MSVCRT_LIKE)
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struct __libcpp_locale_guard {
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__libcpp_locale_guard(locale_t __l) :
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__status(_configthreadlocale(_ENABLE_PER_THREAD_LOCALE)) {
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// Setting the locale can be expensive even when the locale given is
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// already the current locale, so do an explicit check to see if the
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// current locale is already the one we want.
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const char* __lc = __setlocale(nullptr);
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// If every category is the same, the locale string will simply be the
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// locale name, otherwise it will be a semicolon-separated string listing
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// each category. In the second case, we know at least one category won't
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// be what we want, so we only have to check the first case.
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if (strcmp(__l.__get_locale(), __lc) != 0) {
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__locale_all = _strdup(__lc);
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if (__locale_all == nullptr)
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__throw_bad_alloc();
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__setlocale(__l.__get_locale());
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}
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}
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~__libcpp_locale_guard() {
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// The CRT documentation doesn't explicitly say, but setlocale() does the
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// right thing when given a semicolon-separated list of locale settings
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// for the different categories in the same format as returned by
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// setlocale(LC_ALL, nullptr).
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if (__locale_all != nullptr) {
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__setlocale(__locale_all);
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free(__locale_all);
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}
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_configthreadlocale(__status);
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}
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static const char* __setlocale(const char* __locale) {
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const char* __new_locale = setlocale(LC_ALL, __locale);
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if (__new_locale == nullptr)
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__throw_bad_alloc();
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return __new_locale;
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}
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int __status;
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char* __locale_all = nullptr;
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};
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#endif
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class _LIBCPP_TYPE_VIS locale;
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template <class _Facet>
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_LIBCPP_INLINE_VISIBILITY
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bool
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has_facet(const locale&) _NOEXCEPT;
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template <class _Facet>
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_LIBCPP_INLINE_VISIBILITY
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const _Facet&
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use_facet(const locale&);
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class _LIBCPP_TYPE_VIS locale
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{
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public:
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// types:
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class _LIBCPP_TYPE_VIS facet;
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class _LIBCPP_TYPE_VIS id;
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typedef int category;
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_LIBCPP_AVAILABILITY_LOCALE_CATEGORY
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static const category // values assigned here are for exposition only
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none = 0,
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collate = LC_COLLATE_MASK,
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ctype = LC_CTYPE_MASK,
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monetary = LC_MONETARY_MASK,
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numeric = LC_NUMERIC_MASK,
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time = LC_TIME_MASK,
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messages = LC_MESSAGES_MASK,
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all = collate | ctype | monetary | numeric | time | messages;
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// construct/copy/destroy:
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locale() _NOEXCEPT;
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locale(const locale&) _NOEXCEPT;
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explicit locale(const char*);
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explicit locale(const string&);
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locale(const locale&, const char*, category);
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locale(const locale&, const string&, category);
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template <class _Facet>
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_LIBCPP_INLINE_VISIBILITY locale(const locale&, _Facet*);
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locale(const locale&, const locale&, category);
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~locale();
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const locale& operator=(const locale&) _NOEXCEPT;
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template <class _Facet>
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_LIBCPP_METHOD_TEMPLATE_IMPLICIT_INSTANTIATION_VIS
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locale combine(const locale&) const;
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// locale operations:
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string name() const;
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bool operator==(const locale&) const;
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bool operator!=(const locale& __y) const {return !(*this == __y);}
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template <class _CharT, class _Traits, class _Allocator>
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_LIBCPP_METHOD_TEMPLATE_IMPLICIT_INSTANTIATION_VIS
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bool operator()(const basic_string<_CharT, _Traits, _Allocator>&,
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const basic_string<_CharT, _Traits, _Allocator>&) const;
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// global locale objects:
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static locale global(const locale&);
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static const locale& classic();
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private:
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class __imp;
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__imp* __locale_;
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void __install_ctor(const locale&, facet*, long);
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static locale& __global();
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bool has_facet(id&) const;
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const facet* use_facet(id&) const;
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template <class _Facet> friend bool has_facet(const locale&) _NOEXCEPT;
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template <class _Facet> friend const _Facet& use_facet(const locale&);
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};
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class _LIBCPP_TYPE_VIS locale::facet
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: public __shared_count
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{
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protected:
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_LIBCPP_INLINE_VISIBILITY
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explicit facet(size_t __refs = 0)
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: __shared_count(static_cast<long>(__refs)-1) {}
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virtual ~facet();
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// facet(const facet&) = delete; // effectively done in __shared_count
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// void operator=(const facet&) = delete;
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private:
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virtual void __on_zero_shared() _NOEXCEPT;
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};
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class _LIBCPP_TYPE_VIS locale::id
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{
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once_flag __flag_;
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int32_t __id_;
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static int32_t __next_id;
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public:
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_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR id() :__id_(0) {}
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private:
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void __init();
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void operator=(const id&); // = delete;
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id(const id&); // = delete;
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public: // only needed for tests
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long __get();
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friend class locale;
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friend class locale::__imp;
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};
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template <class _Facet>
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inline _LIBCPP_INLINE_VISIBILITY
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locale::locale(const locale& __other, _Facet* __f)
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{
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__install_ctor(__other, __f, __f ? __f->id.__get() : 0);
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}
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template <class _Facet>
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locale
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locale::combine(const locale& __other) const
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{
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if (!_VSTD::has_facet<_Facet>(__other))
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__throw_runtime_error("locale::combine: locale missing facet");
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return locale(*this, &const_cast<_Facet&>(_VSTD::use_facet<_Facet>(__other)));
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}
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template <class _Facet>
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inline _LIBCPP_INLINE_VISIBILITY
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bool
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has_facet(const locale& __l) _NOEXCEPT
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{
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return __l.has_facet(_Facet::id);
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}
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template <class _Facet>
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inline _LIBCPP_INLINE_VISIBILITY
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const _Facet&
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use_facet(const locale& __l)
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{
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return static_cast<const _Facet&>(*__l.use_facet(_Facet::id));
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}
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// template <class _CharT> class collate;
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template <class _CharT>
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class _LIBCPP_TEMPLATE_VIS collate
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: public locale::facet
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{
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public:
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typedef _CharT char_type;
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typedef basic_string<char_type> string_type;
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_LIBCPP_INLINE_VISIBILITY
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explicit collate(size_t __refs = 0)
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: locale::facet(__refs) {}
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_LIBCPP_INLINE_VISIBILITY
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int compare(const char_type* __lo1, const char_type* __hi1,
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const char_type* __lo2, const char_type* __hi2) const
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{
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return do_compare(__lo1, __hi1, __lo2, __hi2);
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}
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// FIXME(EricWF): The _LIBCPP_ALWAYS_INLINE is needed on Windows to work
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// around a dllimport bug that expects an external instantiation.
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_LIBCPP_INLINE_VISIBILITY
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_LIBCPP_ALWAYS_INLINE
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string_type transform(const char_type* __lo, const char_type* __hi) const
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{
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return do_transform(__lo, __hi);
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}
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_LIBCPP_INLINE_VISIBILITY
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long hash(const char_type* __lo, const char_type* __hi) const
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{
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return do_hash(__lo, __hi);
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}
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static locale::id id;
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protected:
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~collate();
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virtual int do_compare(const char_type* __lo1, const char_type* __hi1,
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const char_type* __lo2, const char_type* __hi2) const;
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virtual string_type do_transform(const char_type* __lo, const char_type* __hi) const
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{return string_type(__lo, __hi);}
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virtual long do_hash(const char_type* __lo, const char_type* __hi) const;
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};
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template <class _CharT> locale::id collate<_CharT>::id;
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template <class _CharT>
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collate<_CharT>::~collate()
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{
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}
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template <class _CharT>
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int
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collate<_CharT>::do_compare(const char_type* __lo1, const char_type* __hi1,
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const char_type* __lo2, const char_type* __hi2) const
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{
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for (; __lo2 != __hi2; ++__lo1, ++__lo2)
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{
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if (__lo1 == __hi1 || *__lo1 < *__lo2)
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return -1;
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if (*__lo2 < *__lo1)
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return 1;
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}
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return __lo1 != __hi1;
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}
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template <class _CharT>
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long
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collate<_CharT>::do_hash(const char_type* __lo, const char_type* __hi) const
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{
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size_t __h = 0;
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const size_t __sr = __CHAR_BIT__ * sizeof(size_t) - 8;
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const size_t __mask = size_t(0xF) << (__sr + 4);
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for(const char_type* __p = __lo; __p != __hi; ++__p)
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{
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__h = (__h << 4) + static_cast<size_t>(*__p);
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size_t __g = __h & __mask;
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__h ^= __g | (__g >> __sr);
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}
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return static_cast<long>(__h);
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}
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_LIBCPP_EXTERN_TEMPLATE(class _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS collate<char>)
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_LIBCPP_EXTERN_TEMPLATE(class _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS collate<wchar_t>)
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// template <class CharT> class collate_byname;
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template <class _CharT> class _LIBCPP_TEMPLATE_VIS collate_byname;
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template <>
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class _LIBCPP_TYPE_VIS collate_byname<char>
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: public collate<char>
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{
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locale_t __l;
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public:
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typedef char char_type;
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typedef basic_string<char_type> string_type;
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explicit collate_byname(const char* __n, size_t __refs = 0);
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explicit collate_byname(const string& __n, size_t __refs = 0);
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protected:
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~collate_byname();
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virtual int do_compare(const char_type* __lo1, const char_type* __hi1,
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const char_type* __lo2, const char_type* __hi2) const;
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virtual string_type do_transform(const char_type* __lo, const char_type* __hi) const;
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};
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template <>
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class _LIBCPP_TYPE_VIS collate_byname<wchar_t>
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: public collate<wchar_t>
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{
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locale_t __l;
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public:
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typedef wchar_t char_type;
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typedef basic_string<char_type> string_type;
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explicit collate_byname(const char* __n, size_t __refs = 0);
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explicit collate_byname(const string& __n, size_t __refs = 0);
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protected:
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~collate_byname();
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virtual int do_compare(const char_type* __lo1, const char_type* __hi1,
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const char_type* __lo2, const char_type* __hi2) const;
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virtual string_type do_transform(const char_type* __lo, const char_type* __hi) const;
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};
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template <class _CharT, class _Traits, class _Allocator>
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bool
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locale::operator()(const basic_string<_CharT, _Traits, _Allocator>& __x,
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const basic_string<_CharT, _Traits, _Allocator>& __y) const
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{
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return _VSTD::use_facet<_VSTD::collate<_CharT> >(*this).compare(
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__x.data(), __x.data() + __x.size(),
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__y.data(), __y.data() + __y.size()) < 0;
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}
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// template <class charT> class ctype
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class _LIBCPP_TYPE_VIS ctype_base
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{
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public:
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#if defined(_LIBCPP_PROVIDES_DEFAULT_RUNE_TABLE)
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typedef unsigned long mask;
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static const mask space = 1<<0;
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static const mask print = 1<<1;
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static const mask cntrl = 1<<2;
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static const mask upper = 1<<3;
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static const mask lower = 1<<4;
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static const mask alpha = 1<<5;
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static const mask digit = 1<<6;
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static const mask punct = 1<<7;
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static const mask xdigit = 1<<8;
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static const mask blank = 1<<9;
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#if defined(__BIONIC__)
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// Historically this was a part of regex_traits rather than ctype_base. The
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// historical value of the constant is preserved for ABI compatibility.
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static const mask __regex_word = 0x8000;
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#else
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static const mask __regex_word = 1<<10;
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#endif // defined(__BIONIC__)
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#elif defined(__GLIBC__)
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typedef unsigned short mask;
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static const mask space = _ISspace;
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static const mask print = _ISprint;
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static const mask cntrl = _IScntrl;
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static const mask upper = _ISupper;
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static const mask lower = _ISlower;
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|
static const mask alpha = _ISalpha;
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|
static const mask digit = _ISdigit;
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static const mask punct = _ISpunct;
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|
static const mask xdigit = _ISxdigit;
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static const mask blank = _ISblank;
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|
#if defined(__mips__)
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static const mask __regex_word = static_cast<mask>(_ISbit(15));
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#else
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static const mask __regex_word = 0x80;
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#endif
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#elif defined(_LIBCPP_MSVCRT_LIKE)
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typedef unsigned short mask;
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static const mask space = _SPACE;
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static const mask print = _BLANK|_PUNCT|_ALPHA|_DIGIT;
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static const mask cntrl = _CONTROL;
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static const mask upper = _UPPER;
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static const mask lower = _LOWER;
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static const mask alpha = _ALPHA;
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static const mask digit = _DIGIT;
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static const mask punct = _PUNCT;
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static const mask xdigit = _HEX;
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|
static const mask blank = _BLANK;
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static const mask __regex_word = 0x80;
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|
# define _LIBCPP_CTYPE_MASK_IS_COMPOSITE_PRINT
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|
#elif defined(__APPLE__) || defined(__FreeBSD__) || defined(__EMSCRIPTEN__) || defined(__NetBSD__)
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|
# ifdef __APPLE__
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|
typedef __uint32_t mask;
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|
# elif defined(__FreeBSD__)
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|
typedef unsigned long mask;
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# elif defined(__EMSCRIPTEN__) || defined(__NetBSD__)
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typedef unsigned short mask;
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# endif
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|
static const mask space = _CTYPE_S;
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|
static const mask print = _CTYPE_R;
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static const mask cntrl = _CTYPE_C;
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static const mask upper = _CTYPE_U;
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static const mask lower = _CTYPE_L;
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static const mask alpha = _CTYPE_A;
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static const mask digit = _CTYPE_D;
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static const mask punct = _CTYPE_P;
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static const mask xdigit = _CTYPE_X;
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# if defined(__NetBSD__)
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static const mask blank = _CTYPE_BL;
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// NetBSD defines classes up to 0x2000
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// see sys/ctype_bits.h, _CTYPE_Q
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|
static const mask __regex_word = 0x8000;
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# else
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static const mask blank = _CTYPE_B;
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|
static const mask __regex_word = 0x80;
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|
# endif
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|
#elif defined(__sun__) || defined(_AIX)
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|
typedef unsigned int mask;
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|
static const mask space = _ISSPACE;
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|
static const mask print = _ISPRINT;
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|
static const mask cntrl = _ISCNTRL;
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|
static const mask upper = _ISUPPER;
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static const mask lower = _ISLOWER;
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|
static const mask alpha = _ISALPHA;
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|
static const mask digit = _ISDIGIT;
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|
static const mask punct = _ISPUNCT;
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|
static const mask xdigit = _ISXDIGIT;
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|
static const mask blank = _ISBLANK;
|
|
static const mask __regex_word = 0x80;
|
|
#elif defined(_NEWLIB_VERSION)
|
|
// Same type as Newlib's _ctype_ array in newlib/libc/include/ctype.h.
|
|
typedef char mask;
|
|
static const mask space = _S;
|
|
static const mask print = _P | _U | _L | _N | _B;
|
|
static const mask cntrl = _C;
|
|
static const mask upper = _U;
|
|
static const mask lower = _L;
|
|
static const mask alpha = _U | _L;
|
|
static const mask digit = _N;
|
|
static const mask punct = _P;
|
|
static const mask xdigit = _X | _N;
|
|
static const mask blank = _B;
|
|
static const mask __regex_word = 0x80;
|
|
# define _LIBCPP_CTYPE_MASK_IS_COMPOSITE_PRINT
|
|
# define _LIBCPP_CTYPE_MASK_IS_COMPOSITE_ALPHA
|
|
# define _LIBCPP_CTYPE_MASK_IS_COMPOSITE_XDIGIT
|
|
#else
|
|
# error unknown rune table for this platform -- do you mean to define _LIBCPP_PROVIDES_DEFAULT_RUNE_TABLE?
|
|
#endif
|
|
static const mask alnum = alpha | digit;
|
|
static const mask graph = alnum | punct;
|
|
|
|
_LIBCPP_INLINE_VISIBILITY ctype_base() {}
|
|
};
|
|
|
|
template <class _CharT> class _LIBCPP_TEMPLATE_VIS ctype;
|
|
|
|
template <>
|
|
class _LIBCPP_TYPE_VIS ctype<wchar_t>
|
|
: public locale::facet,
|
|
public ctype_base
|
|
{
|
|
public:
|
|
typedef wchar_t char_type;
|
|
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
explicit ctype(size_t __refs = 0)
|
|
: locale::facet(__refs) {}
|
|
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
bool is(mask __m, char_type __c) const
|
|
{
|
|
return do_is(__m, __c);
|
|
}
|
|
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
const char_type* is(const char_type* __low, const char_type* __high, mask* __vec) const
|
|
{
|
|
return do_is(__low, __high, __vec);
|
|
}
|
|
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
const char_type* scan_is(mask __m, const char_type* __low, const char_type* __high) const
|
|
{
|
|
return do_scan_is(__m, __low, __high);
|
|
}
|
|
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
const char_type* scan_not(mask __m, const char_type* __low, const char_type* __high) const
|
|
{
|
|
return do_scan_not(__m, __low, __high);
|
|
}
|
|
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
char_type toupper(char_type __c) const
|
|
{
|
|
return do_toupper(__c);
|
|
}
|
|
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
const char_type* toupper(char_type* __low, const char_type* __high) const
|
|
{
|
|
return do_toupper(__low, __high);
|
|
}
|
|
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
char_type tolower(char_type __c) const
|
|
{
|
|
return do_tolower(__c);
|
|
}
|
|
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
const char_type* tolower(char_type* __low, const char_type* __high) const
|
|
{
|
|
return do_tolower(__low, __high);
|
|
}
|
|
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
char_type widen(char __c) const
|
|
{
|
|
return do_widen(__c);
|
|
}
|
|
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
const char* widen(const char* __low, const char* __high, char_type* __to) const
|
|
{
|
|
return do_widen(__low, __high, __to);
|
|
}
|
|
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
char narrow(char_type __c, char __dfault) const
|
|
{
|
|
return do_narrow(__c, __dfault);
|
|
}
|
|
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
const char_type* narrow(const char_type* __low, const char_type* __high, char __dfault, char* __to) const
|
|
{
|
|
return do_narrow(__low, __high, __dfault, __to);
|
|
}
|
|
|
|
static locale::id id;
|
|
|
|
protected:
|
|
~ctype();
|
|
virtual bool do_is(mask __m, char_type __c) const;
|
|
virtual const char_type* do_is(const char_type* __low, const char_type* __high, mask* __vec) const;
|
|
virtual const char_type* do_scan_is(mask __m, const char_type* __low, const char_type* __high) const;
|
|
virtual const char_type* do_scan_not(mask __m, const char_type* __low, const char_type* __high) const;
|
|
virtual char_type do_toupper(char_type) const;
|
|
virtual const char_type* do_toupper(char_type* __low, const char_type* __high) const;
|
|
virtual char_type do_tolower(char_type) const;
|
|
virtual const char_type* do_tolower(char_type* __low, const char_type* __high) const;
|
|
virtual char_type do_widen(char) const;
|
|
virtual const char* do_widen(const char* __low, const char* __high, char_type* __dest) const;
|
|
virtual char do_narrow(char_type, char __dfault) const;
|
|
virtual const char_type* do_narrow(const char_type* __low, const char_type* __high, char __dfault, char* __dest) const;
|
|
};
|
|
|
|
template <>
|
|
class _LIBCPP_TYPE_VIS ctype<char>
|
|
: public locale::facet, public ctype_base
|
|
{
|
|
const mask* __tab_;
|
|
bool __del_;
|
|
public:
|
|
typedef char char_type;
|
|
|
|
explicit ctype(const mask* __tab = nullptr, bool __del = false, size_t __refs = 0);
|
|
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
bool is(mask __m, char_type __c) const
|
|
{
|
|
return isascii(__c) ? (__tab_[static_cast<int>(__c)] & __m) !=0 : false;
|
|
}
|
|
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
const char_type* is(const char_type* __low, const char_type* __high, mask* __vec) const
|
|
{
|
|
for (; __low != __high; ++__low, ++__vec)
|
|
*__vec = isascii(*__low) ? __tab_[static_cast<int>(*__low)] : 0;
|
|
return __low;
|
|
}
|
|
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
const char_type* scan_is (mask __m, const char_type* __low, const char_type* __high) const
|
|
{
|
|
for (; __low != __high; ++__low)
|
|
if (isascii(*__low) && (__tab_[static_cast<int>(*__low)] & __m))
|
|
break;
|
|
return __low;
|
|
}
|
|
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
const char_type* scan_not(mask __m, const char_type* __low, const char_type* __high) const
|
|
{
|
|
for (; __low != __high; ++__low)
|
|
if (!(isascii(*__low) && (__tab_[static_cast<int>(*__low)] & __m)))
|
|
break;
|
|
return __low;
|
|
}
|
|
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
char_type toupper(char_type __c) const
|
|
{
|
|
return do_toupper(__c);
|
|
}
|
|
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
const char_type* toupper(char_type* __low, const char_type* __high) const
|
|
{
|
|
return do_toupper(__low, __high);
|
|
}
|
|
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
char_type tolower(char_type __c) const
|
|
{
|
|
return do_tolower(__c);
|
|
}
|
|
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
const char_type* tolower(char_type* __low, const char_type* __high) const
|
|
{
|
|
return do_tolower(__low, __high);
|
|
}
|
|
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
char_type widen(char __c) const
|
|
{
|
|
return do_widen(__c);
|
|
}
|
|
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
const char* widen(const char* __low, const char* __high, char_type* __to) const
|
|
{
|
|
return do_widen(__low, __high, __to);
|
|
}
|
|
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
char narrow(char_type __c, char __dfault) const
|
|
{
|
|
return do_narrow(__c, __dfault);
|
|
}
|
|
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
const char* narrow(const char_type* __low, const char_type* __high, char __dfault, char* __to) const
|
|
{
|
|
return do_narrow(__low, __high, __dfault, __to);
|
|
}
|
|
|
|
static locale::id id;
|
|
|
|
#ifdef _CACHED_RUNES
|
|
static const size_t table_size = _CACHED_RUNES;
|
|
#else
|
|
static const size_t table_size = 256; // FIXME: Don't hardcode this.
|
|
#endif
|
|
_LIBCPP_INLINE_VISIBILITY const mask* table() const _NOEXCEPT {return __tab_;}
|
|
static const mask* classic_table() _NOEXCEPT;
|
|
#if defined(__GLIBC__) || defined(__EMSCRIPTEN__)
|
|
static const int* __classic_upper_table() _NOEXCEPT;
|
|
static const int* __classic_lower_table() _NOEXCEPT;
|
|
#endif
|
|
#if defined(__NetBSD__)
|
|
static const short* __classic_upper_table() _NOEXCEPT;
|
|
static const short* __classic_lower_table() _NOEXCEPT;
|
|
#endif
|
|
|
|
protected:
|
|
~ctype();
|
|
virtual char_type do_toupper(char_type __c) const;
|
|
virtual const char_type* do_toupper(char_type* __low, const char_type* __high) const;
|
|
virtual char_type do_tolower(char_type __c) const;
|
|
virtual const char_type* do_tolower(char_type* __low, const char_type* __high) const;
|
|
virtual char_type do_widen(char __c) const;
|
|
virtual const char* do_widen(const char* __low, const char* __high, char_type* __to) const;
|
|
virtual char do_narrow(char_type __c, char __dfault) const;
|
|
virtual const char* do_narrow(const char_type* __low, const char_type* __high, char __dfault, char* __to) const;
|
|
};
|
|
|
|
// template <class CharT> class ctype_byname;
|
|
|
|
template <class _CharT> class _LIBCPP_TEMPLATE_VIS ctype_byname;
|
|
|
|
template <>
|
|
class _LIBCPP_TYPE_VIS ctype_byname<char>
|
|
: public ctype<char>
|
|
{
|
|
locale_t __l;
|
|
|
|
public:
|
|
explicit ctype_byname(const char*, size_t = 0);
|
|
explicit ctype_byname(const string&, size_t = 0);
|
|
|
|
protected:
|
|
~ctype_byname();
|
|
virtual char_type do_toupper(char_type) const;
|
|
virtual const char_type* do_toupper(char_type* __low, const char_type* __high) const;
|
|
virtual char_type do_tolower(char_type) const;
|
|
virtual const char_type* do_tolower(char_type* __low, const char_type* __high) const;
|
|
};
|
|
|
|
template <>
|
|
class _LIBCPP_TYPE_VIS ctype_byname<wchar_t>
|
|
: public ctype<wchar_t>
|
|
{
|
|
locale_t __l;
|
|
|
|
public:
|
|
explicit ctype_byname(const char*, size_t = 0);
|
|
explicit ctype_byname(const string&, size_t = 0);
|
|
|
|
protected:
|
|
~ctype_byname();
|
|
virtual bool do_is(mask __m, char_type __c) const;
|
|
virtual const char_type* do_is(const char_type* __low, const char_type* __high, mask* __vec) const;
|
|
virtual const char_type* do_scan_is(mask __m, const char_type* __low, const char_type* __high) const;
|
|
virtual const char_type* do_scan_not(mask __m, const char_type* __low, const char_type* __high) const;
|
|
virtual char_type do_toupper(char_type) const;
|
|
virtual const char_type* do_toupper(char_type* __low, const char_type* __high) const;
|
|
virtual char_type do_tolower(char_type) const;
|
|
virtual const char_type* do_tolower(char_type* __low, const char_type* __high) const;
|
|
virtual char_type do_widen(char) const;
|
|
virtual const char* do_widen(const char* __low, const char* __high, char_type* __dest) const;
|
|
virtual char do_narrow(char_type, char __dfault) const;
|
|
virtual const char_type* do_narrow(const char_type* __low, const char_type* __high, char __dfault, char* __dest) const;
|
|
};
|
|
|
|
template <class _CharT>
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
|
bool
|
|
isspace(_CharT __c, const locale& __loc)
|
|
{
|
|
return use_facet<ctype<_CharT> >(__loc).is(ctype_base::space, __c);
|
|
}
|
|
|
|
template <class _CharT>
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
|
bool
|
|
isprint(_CharT __c, const locale& __loc)
|
|
{
|
|
return use_facet<ctype<_CharT> >(__loc).is(ctype_base::print, __c);
|
|
}
|
|
|
|
template <class _CharT>
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
|
bool
|
|
iscntrl(_CharT __c, const locale& __loc)
|
|
{
|
|
return use_facet<ctype<_CharT> >(__loc).is(ctype_base::cntrl, __c);
|
|
}
|
|
|
|
template <class _CharT>
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
|
bool
|
|
isupper(_CharT __c, const locale& __loc)
|
|
{
|
|
return use_facet<ctype<_CharT> >(__loc).is(ctype_base::upper, __c);
|
|
}
|
|
|
|
template <class _CharT>
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
|
bool
|
|
islower(_CharT __c, const locale& __loc)
|
|
{
|
|
return use_facet<ctype<_CharT> >(__loc).is(ctype_base::lower, __c);
|
|
}
|
|
|
|
template <class _CharT>
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
|
bool
|
|
isalpha(_CharT __c, const locale& __loc)
|
|
{
|
|
return use_facet<ctype<_CharT> >(__loc).is(ctype_base::alpha, __c);
|
|
}
|
|
|
|
template <class _CharT>
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
|
bool
|
|
isdigit(_CharT __c, const locale& __loc)
|
|
{
|
|
return use_facet<ctype<_CharT> >(__loc).is(ctype_base::digit, __c);
|
|
}
|
|
|
|
template <class _CharT>
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
|
bool
|
|
ispunct(_CharT __c, const locale& __loc)
|
|
{
|
|
return use_facet<ctype<_CharT> >(__loc).is(ctype_base::punct, __c);
|
|
}
|
|
|
|
template <class _CharT>
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
|
bool
|
|
isxdigit(_CharT __c, const locale& __loc)
|
|
{
|
|
return use_facet<ctype<_CharT> >(__loc).is(ctype_base::xdigit, __c);
|
|
}
|
|
|
|
template <class _CharT>
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
|
bool
|
|
isalnum(_CharT __c, const locale& __loc)
|
|
{
|
|
return use_facet<ctype<_CharT> >(__loc).is(ctype_base::alnum, __c);
|
|
}
|
|
|
|
template <class _CharT>
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
|
bool
|
|
isgraph(_CharT __c, const locale& __loc)
|
|
{
|
|
return use_facet<ctype<_CharT> >(__loc).is(ctype_base::graph, __c);
|
|
}
|
|
|
|
template <class _CharT>
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
|
_CharT
|
|
toupper(_CharT __c, const locale& __loc)
|
|
{
|
|
return use_facet<ctype<_CharT> >(__loc).toupper(__c);
|
|
}
|
|
|
|
template <class _CharT>
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
|
_CharT
|
|
tolower(_CharT __c, const locale& __loc)
|
|
{
|
|
return use_facet<ctype<_CharT> >(__loc).tolower(__c);
|
|
}
|
|
|
|
// codecvt_base
|
|
|
|
class _LIBCPP_TYPE_VIS codecvt_base
|
|
{
|
|
public:
|
|
_LIBCPP_INLINE_VISIBILITY codecvt_base() {}
|
|
enum result {ok, partial, error, noconv};
|
|
};
|
|
|
|
// template <class internT, class externT, class stateT> class codecvt;
|
|
|
|
template <class _InternT, class _ExternT, class _StateT> class _LIBCPP_TEMPLATE_VIS codecvt;
|
|
|
|
// template <> class codecvt<char, char, mbstate_t>
|
|
|
|
template <>
|
|
class _LIBCPP_TYPE_VIS codecvt<char, char, mbstate_t>
|
|
: public locale::facet,
|
|
public codecvt_base
|
|
{
|
|
public:
|
|
typedef char intern_type;
|
|
typedef char extern_type;
|
|
typedef mbstate_t state_type;
|
|
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
explicit codecvt(size_t __refs = 0)
|
|
: locale::facet(__refs) {}
|
|
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
result out(state_type& __st,
|
|
const intern_type* __frm, const intern_type* __frm_end, const intern_type*& __frm_nxt,
|
|
extern_type* __to, extern_type* __to_end, extern_type*& __to_nxt) const
|
|
{
|
|
return do_out(__st, __frm, __frm_end, __frm_nxt, __to, __to_end, __to_nxt);
|
|
}
|
|
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
result unshift(state_type& __st,
|
|
extern_type* __to, extern_type* __to_end, extern_type*& __to_nxt) const
|
|
{
|
|
return do_unshift(__st, __to, __to_end, __to_nxt);
|
|
}
|
|
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
result in(state_type& __st,
|
|
const extern_type* __frm, const extern_type* __frm_end, const extern_type*& __frm_nxt,
|
|
intern_type* __to, intern_type* __to_end, intern_type*& __to_nxt) const
|
|
{
|
|
return do_in(__st, __frm, __frm_end, __frm_nxt, __to, __to_end, __to_nxt);
|
|
}
|
|
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
int encoding() const _NOEXCEPT
|
|
{
|
|
return do_encoding();
|
|
}
|
|
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
bool always_noconv() const _NOEXCEPT
|
|
{
|
|
return do_always_noconv();
|
|
}
|
|
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
int length(state_type& __st, const extern_type* __frm, const extern_type* __end, size_t __mx) const
|
|
{
|
|
return do_length(__st, __frm, __end, __mx);
|
|
}
|
|
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
int max_length() const _NOEXCEPT
|
|
{
|
|
return do_max_length();
|
|
}
|
|
|
|
static locale::id id;
|
|
|
|
protected:
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
explicit codecvt(const char*, size_t __refs = 0)
|
|
: locale::facet(__refs) {}
|
|
|
|
~codecvt();
|
|
|
|
virtual result do_out(state_type& __st,
|
|
const intern_type* __frm, const intern_type* __frm_end, const intern_type*& __frm_nxt,
|
|
extern_type* __to, extern_type* __to_end, extern_type*& __to_nxt) const;
|
|
virtual result do_in(state_type& __st,
|
|
const extern_type* __frm, const extern_type* __frm_end, const extern_type*& __frm_nxt,
|
|
intern_type* __to, intern_type* __to_end, intern_type*& __to_nxt) const;
|
|
virtual result do_unshift(state_type& __st,
|
|
extern_type* __to, extern_type* __to_end, extern_type*& __to_nxt) const;
|
|
virtual int do_encoding() const _NOEXCEPT;
|
|
virtual bool do_always_noconv() const _NOEXCEPT;
|
|
virtual int do_length(state_type& __st, const extern_type* __frm, const extern_type* __end, size_t __mx) const;
|
|
virtual int do_max_length() const _NOEXCEPT;
|
|
};
|
|
|
|
// template <> class codecvt<wchar_t, char, mbstate_t>
|
|
|
|
template <>
|
|
class _LIBCPP_TYPE_VIS codecvt<wchar_t, char, mbstate_t>
|
|
: public locale::facet,
|
|
public codecvt_base
|
|
{
|
|
locale_t __l;
|
|
public:
|
|
typedef wchar_t intern_type;
|
|
typedef char extern_type;
|
|
typedef mbstate_t state_type;
|
|
|
|
explicit codecvt(size_t __refs = 0);
|
|
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
result out(state_type& __st,
|
|
const intern_type* __frm, const intern_type* __frm_end, const intern_type*& __frm_nxt,
|
|
extern_type* __to, extern_type* __to_end, extern_type*& __to_nxt) const
|
|
{
|
|
return do_out(__st, __frm, __frm_end, __frm_nxt, __to, __to_end, __to_nxt);
|
|
}
|
|
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
result unshift(state_type& __st,
|
|
extern_type* __to, extern_type* __to_end, extern_type*& __to_nxt) const
|
|
{
|
|
return do_unshift(__st, __to, __to_end, __to_nxt);
|
|
}
|
|
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
result in(state_type& __st,
|
|
const extern_type* __frm, const extern_type* __frm_end, const extern_type*& __frm_nxt,
|
|
intern_type* __to, intern_type* __to_end, intern_type*& __to_nxt) const
|
|
{
|
|
return do_in(__st, __frm, __frm_end, __frm_nxt, __to, __to_end, __to_nxt);
|
|
}
|
|
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
int encoding() const _NOEXCEPT
|
|
{
|
|
return do_encoding();
|
|
}
|
|
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
bool always_noconv() const _NOEXCEPT
|
|
{
|
|
return do_always_noconv();
|
|
}
|
|
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
int length(state_type& __st, const extern_type* __frm, const extern_type* __end, size_t __mx) const
|
|
{
|
|
return do_length(__st, __frm, __end, __mx);
|
|
}
|
|
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
int max_length() const _NOEXCEPT
|
|
{
|
|
return do_max_length();
|
|
}
|
|
|
|
static locale::id id;
|
|
|
|
protected:
|
|
explicit codecvt(const char*, size_t __refs = 0);
|
|
|
|
~codecvt();
|
|
|
|
virtual result do_out(state_type& __st,
|
|
const intern_type* __frm, const intern_type* __frm_end, const intern_type*& __frm_nxt,
|
|
extern_type* __to, extern_type* __to_end, extern_type*& __to_nxt) const;
|
|
virtual result do_in(state_type& __st,
|
|
const extern_type* __frm, const extern_type* __frm_end, const extern_type*& __frm_nxt,
|
|
intern_type* __to, intern_type* __to_end, intern_type*& __to_nxt) const;
|
|
virtual result do_unshift(state_type& __st,
|
|
extern_type* __to, extern_type* __to_end, extern_type*& __to_nxt) const;
|
|
virtual int do_encoding() const _NOEXCEPT;
|
|
virtual bool do_always_noconv() const _NOEXCEPT;
|
|
virtual int do_length(state_type&, const extern_type* __frm, const extern_type* __end, size_t __mx) const;
|
|
virtual int do_max_length() const _NOEXCEPT;
|
|
};
|
|
|
|
// template <> class codecvt<char16_t, char, mbstate_t> // deprecated in C++20
|
|
|
|
template <>
|
|
class _LIBCPP_TYPE_VIS _LIBCPP_DEPRECATED_IN_CXX20 codecvt<char16_t, char, mbstate_t>
|
|
: public locale::facet,
|
|
public codecvt_base
|
|
{
|
|
public:
|
|
typedef char16_t intern_type;
|
|
typedef char extern_type;
|
|
typedef mbstate_t state_type;
|
|
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
explicit codecvt(size_t __refs = 0)
|
|
: locale::facet(__refs) {}
|
|
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
result out(state_type& __st,
|
|
const intern_type* __frm, const intern_type* __frm_end, const intern_type*& __frm_nxt,
|
|
extern_type* __to, extern_type* __to_end, extern_type*& __to_nxt) const
|
|
{
|
|
return do_out(__st, __frm, __frm_end, __frm_nxt, __to, __to_end, __to_nxt);
|
|
}
|
|
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
result unshift(state_type& __st,
|
|
extern_type* __to, extern_type* __to_end, extern_type*& __to_nxt) const
|
|
{
|
|
return do_unshift(__st, __to, __to_end, __to_nxt);
|
|
}
|
|
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
result in(state_type& __st,
|
|
const extern_type* __frm, const extern_type* __frm_end, const extern_type*& __frm_nxt,
|
|
intern_type* __to, intern_type* __to_end, intern_type*& __to_nxt) const
|
|
{
|
|
return do_in(__st, __frm, __frm_end, __frm_nxt, __to, __to_end, __to_nxt);
|
|
}
|
|
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
int encoding() const _NOEXCEPT
|
|
{
|
|
return do_encoding();
|
|
}
|
|
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
bool always_noconv() const _NOEXCEPT
|
|
{
|
|
return do_always_noconv();
|
|
}
|
|
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
int length(state_type& __st, const extern_type* __frm, const extern_type* __end, size_t __mx) const
|
|
{
|
|
return do_length(__st, __frm, __end, __mx);
|
|
}
|
|
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
int max_length() const _NOEXCEPT
|
|
{
|
|
return do_max_length();
|
|
}
|
|
|
|
static locale::id id;
|
|
|
|
protected:
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
explicit codecvt(const char*, size_t __refs = 0)
|
|
: locale::facet(__refs) {}
|
|
|
|
~codecvt();
|
|
|
|
virtual result do_out(state_type& __st,
|
|
const intern_type* __frm, const intern_type* __frm_end, const intern_type*& __frm_nxt,
|
|
extern_type* __to, extern_type* __to_end, extern_type*& __to_nxt) const;
|
|
virtual result do_in(state_type& __st,
|
|
const extern_type* __frm, const extern_type* __frm_end, const extern_type*& __frm_nxt,
|
|
intern_type* __to, intern_type* __to_end, intern_type*& __to_nxt) const;
|
|
virtual result do_unshift(state_type& __st,
|
|
extern_type* __to, extern_type* __to_end, extern_type*& __to_nxt) const;
|
|
virtual int do_encoding() const _NOEXCEPT;
|
|
virtual bool do_always_noconv() const _NOEXCEPT;
|
|
virtual int do_length(state_type&, const extern_type* __frm, const extern_type* __end, size_t __mx) const;
|
|
virtual int do_max_length() const _NOEXCEPT;
|
|
};
|
|
|
|
#ifndef _LIBCPP_NO_HAS_CHAR8_T
|
|
|
|
// template <> class codecvt<char16_t, char8_t, mbstate_t> // C++20
|
|
|
|
template <>
|
|
class _LIBCPP_TYPE_VIS codecvt<char16_t, char8_t, mbstate_t>
|
|
: public locale::facet,
|
|
public codecvt_base
|
|
{
|
|
public:
|
|
typedef char16_t intern_type;
|
|
typedef char8_t extern_type;
|
|
typedef mbstate_t state_type;
|
|
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
explicit codecvt(size_t __refs = 0)
|
|
: locale::facet(__refs) {}
|
|
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
result out(state_type& __st,
|
|
const intern_type* __frm, const intern_type* __frm_end, const intern_type*& __frm_nxt,
|
|
extern_type* __to, extern_type* __to_end, extern_type*& __to_nxt) const
|
|
{
|
|
return do_out(__st, __frm, __frm_end, __frm_nxt, __to, __to_end, __to_nxt);
|
|
}
|
|
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
result unshift(state_type& __st,
|
|
extern_type* __to, extern_type* __to_end, extern_type*& __to_nxt) const
|
|
{
|
|
return do_unshift(__st, __to, __to_end, __to_nxt);
|
|
}
|
|
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
result in(state_type& __st,
|
|
const extern_type* __frm, const extern_type* __frm_end, const extern_type*& __frm_nxt,
|
|
intern_type* __to, intern_type* __to_end, intern_type*& __to_nxt) const
|
|
{
|
|
return do_in(__st, __frm, __frm_end, __frm_nxt, __to, __to_end, __to_nxt);
|
|
}
|
|
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
int encoding() const _NOEXCEPT
|
|
{
|
|
return do_encoding();
|
|
}
|
|
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
bool always_noconv() const _NOEXCEPT
|
|
{
|
|
return do_always_noconv();
|
|
}
|
|
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
int length(state_type& __st, const extern_type* __frm, const extern_type* __end, size_t __mx) const
|
|
{
|
|
return do_length(__st, __frm, __end, __mx);
|
|
}
|
|
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
int max_length() const _NOEXCEPT
|
|
{
|
|
return do_max_length();
|
|
}
|
|
|
|
static locale::id id;
|
|
|
|
protected:
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
explicit codecvt(const char*, size_t __refs = 0)
|
|
: locale::facet(__refs) {}
|
|
|
|
~codecvt();
|
|
|
|
virtual result do_out(state_type& __st,
|
|
const intern_type* __frm, const intern_type* __frm_end, const intern_type*& __frm_nxt,
|
|
extern_type* __to, extern_type* __to_end, extern_type*& __to_nxt) const;
|
|
virtual result do_in(state_type& __st,
|
|
const extern_type* __frm, const extern_type* __frm_end, const extern_type*& __frm_nxt,
|
|
intern_type* __to, intern_type* __to_end, intern_type*& __to_nxt) const;
|
|
virtual result do_unshift(state_type& __st,
|
|
extern_type* __to, extern_type* __to_end, extern_type*& __to_nxt) const;
|
|
virtual int do_encoding() const _NOEXCEPT;
|
|
virtual bool do_always_noconv() const _NOEXCEPT;
|
|
virtual int do_length(state_type&, const extern_type* __frm, const extern_type* __end, size_t __mx) const;
|
|
virtual int do_max_length() const _NOEXCEPT;
|
|
};
|
|
|
|
#endif
|
|
|
|
// template <> class codecvt<char32_t, char, mbstate_t> // deprecated in C++20
|
|
|
|
template <>
|
|
class _LIBCPP_TYPE_VIS _LIBCPP_DEPRECATED_IN_CXX20 codecvt<char32_t, char, mbstate_t>
|
|
: public locale::facet,
|
|
public codecvt_base
|
|
{
|
|
public:
|
|
typedef char32_t intern_type;
|
|
typedef char extern_type;
|
|
typedef mbstate_t state_type;
|
|
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
explicit codecvt(size_t __refs = 0)
|
|
: locale::facet(__refs) {}
|
|
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
result out(state_type& __st,
|
|
const intern_type* __frm, const intern_type* __frm_end, const intern_type*& __frm_nxt,
|
|
extern_type* __to, extern_type* __to_end, extern_type*& __to_nxt) const
|
|
{
|
|
return do_out(__st, __frm, __frm_end, __frm_nxt, __to, __to_end, __to_nxt);
|
|
}
|
|
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
result unshift(state_type& __st,
|
|
extern_type* __to, extern_type* __to_end, extern_type*& __to_nxt) const
|
|
{
|
|
return do_unshift(__st, __to, __to_end, __to_nxt);
|
|
}
|
|
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
result in(state_type& __st,
|
|
const extern_type* __frm, const extern_type* __frm_end, const extern_type*& __frm_nxt,
|
|
intern_type* __to, intern_type* __to_end, intern_type*& __to_nxt) const
|
|
{
|
|
return do_in(__st, __frm, __frm_end, __frm_nxt, __to, __to_end, __to_nxt);
|
|
}
|
|
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
int encoding() const _NOEXCEPT
|
|
{
|
|
return do_encoding();
|
|
}
|
|
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
bool always_noconv() const _NOEXCEPT
|
|
{
|
|
return do_always_noconv();
|
|
}
|
|
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
int length(state_type& __st, const extern_type* __frm, const extern_type* __end, size_t __mx) const
|
|
{
|
|
return do_length(__st, __frm, __end, __mx);
|
|
}
|
|
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
int max_length() const _NOEXCEPT
|
|
{
|
|
return do_max_length();
|
|
}
|
|
|
|
static locale::id id;
|
|
|
|
protected:
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
explicit codecvt(const char*, size_t __refs = 0)
|
|
: locale::facet(__refs) {}
|
|
|
|
~codecvt();
|
|
|
|
virtual result do_out(state_type& __st,
|
|
const intern_type* __frm, const intern_type* __frm_end, const intern_type*& __frm_nxt,
|
|
extern_type* __to, extern_type* __to_end, extern_type*& __to_nxt) const;
|
|
virtual result do_in(state_type& __st,
|
|
const extern_type* __frm, const extern_type* __frm_end, const extern_type*& __frm_nxt,
|
|
intern_type* __to, intern_type* __to_end, intern_type*& __to_nxt) const;
|
|
virtual result do_unshift(state_type& __st,
|
|
extern_type* __to, extern_type* __to_end, extern_type*& __to_nxt) const;
|
|
virtual int do_encoding() const _NOEXCEPT;
|
|
virtual bool do_always_noconv() const _NOEXCEPT;
|
|
virtual int do_length(state_type&, const extern_type* __frm, const extern_type* __end, size_t __mx) const;
|
|
virtual int do_max_length() const _NOEXCEPT;
|
|
};
|
|
|
|
#ifndef _LIBCPP_NO_HAS_CHAR8_T
|
|
|
|
// template <> class codecvt<char32_t, char8_t, mbstate_t> // C++20
|
|
|
|
template <>
|
|
class _LIBCPP_TYPE_VIS codecvt<char32_t, char8_t, mbstate_t>
|
|
: public locale::facet,
|
|
public codecvt_base
|
|
{
|
|
public:
|
|
typedef char32_t intern_type;
|
|
typedef char8_t extern_type;
|
|
typedef mbstate_t state_type;
|
|
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
explicit codecvt(size_t __refs = 0)
|
|
: locale::facet(__refs) {}
|
|
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
result out(state_type& __st,
|
|
const intern_type* __frm, const intern_type* __frm_end, const intern_type*& __frm_nxt,
|
|
extern_type* __to, extern_type* __to_end, extern_type*& __to_nxt) const
|
|
{
|
|
return do_out(__st, __frm, __frm_end, __frm_nxt, __to, __to_end, __to_nxt);
|
|
}
|
|
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
result unshift(state_type& __st,
|
|
extern_type* __to, extern_type* __to_end, extern_type*& __to_nxt) const
|
|
{
|
|
return do_unshift(__st, __to, __to_end, __to_nxt);
|
|
}
|
|
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
result in(state_type& __st,
|
|
const extern_type* __frm, const extern_type* __frm_end, const extern_type*& __frm_nxt,
|
|
intern_type* __to, intern_type* __to_end, intern_type*& __to_nxt) const
|
|
{
|
|
return do_in(__st, __frm, __frm_end, __frm_nxt, __to, __to_end, __to_nxt);
|
|
}
|
|
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
int encoding() const _NOEXCEPT
|
|
{
|
|
return do_encoding();
|
|
}
|
|
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
bool always_noconv() const _NOEXCEPT
|
|
{
|
|
return do_always_noconv();
|
|
}
|
|
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
int length(state_type& __st, const extern_type* __frm, const extern_type* __end, size_t __mx) const
|
|
{
|
|
return do_length(__st, __frm, __end, __mx);
|
|
}
|
|
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
int max_length() const _NOEXCEPT
|
|
{
|
|
return do_max_length();
|
|
}
|
|
|
|
static locale::id id;
|
|
|
|
protected:
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
explicit codecvt(const char*, size_t __refs = 0)
|
|
: locale::facet(__refs) {}
|
|
|
|
~codecvt();
|
|
|
|
virtual result do_out(state_type& __st,
|
|
const intern_type* __frm, const intern_type* __frm_end, const intern_type*& __frm_nxt,
|
|
extern_type* __to, extern_type* __to_end, extern_type*& __to_nxt) const;
|
|
virtual result do_in(state_type& __st,
|
|
const extern_type* __frm, const extern_type* __frm_end, const extern_type*& __frm_nxt,
|
|
intern_type* __to, intern_type* __to_end, intern_type*& __to_nxt) const;
|
|
virtual result do_unshift(state_type& __st,
|
|
extern_type* __to, extern_type* __to_end, extern_type*& __to_nxt) const;
|
|
virtual int do_encoding() const _NOEXCEPT;
|
|
virtual bool do_always_noconv() const _NOEXCEPT;
|
|
virtual int do_length(state_type&, const extern_type* __frm, const extern_type* __end, size_t __mx) const;
|
|
virtual int do_max_length() const _NOEXCEPT;
|
|
};
|
|
|
|
#endif
|
|
|
|
// template <class _InternT, class _ExternT, class _StateT> class codecvt_byname
|
|
|
|
template <class _InternT, class _ExternT, class _StateT>
|
|
class _LIBCPP_TEMPLATE_VIS codecvt_byname
|
|
: public codecvt<_InternT, _ExternT, _StateT>
|
|
{
|
|
public:
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
explicit codecvt_byname(const char* __nm, size_t __refs = 0)
|
|
: codecvt<_InternT, _ExternT, _StateT>(__nm, __refs) {}
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
explicit codecvt_byname(const string& __nm, size_t __refs = 0)
|
|
: codecvt<_InternT, _ExternT, _StateT>(__nm.c_str(), __refs) {}
|
|
protected:
|
|
~codecvt_byname();
|
|
};
|
|
|
|
_LIBCPP_SUPPRESS_DEPRECATED_PUSH
|
|
template <class _InternT, class _ExternT, class _StateT>
|
|
codecvt_byname<_InternT, _ExternT, _StateT>::~codecvt_byname()
|
|
{
|
|
}
|
|
_LIBCPP_SUPPRESS_DEPRECATED_POP
|
|
|
|
_LIBCPP_EXTERN_TEMPLATE(class _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS codecvt_byname<char, char, mbstate_t>)
|
|
_LIBCPP_EXTERN_TEMPLATE(class _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS codecvt_byname<wchar_t, char, mbstate_t>)
|
|
_LIBCPP_EXTERN_TEMPLATE(class _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS _LIBCPP_DEPRECATED_IN_CXX20 codecvt_byname<char16_t, char, mbstate_t>) // deprecated in C++20
|
|
_LIBCPP_EXTERN_TEMPLATE(class _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS _LIBCPP_DEPRECATED_IN_CXX20 codecvt_byname<char32_t, char, mbstate_t>) // deprecated in C++20
|
|
#ifndef _LIBCPP_NO_HAS_CHAR8_T
|
|
_LIBCPP_EXTERN_TEMPLATE(class _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS codecvt_byname<char16_t, char8_t, mbstate_t>) // C++20
|
|
_LIBCPP_EXTERN_TEMPLATE(class _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS codecvt_byname<char32_t, char8_t, mbstate_t>) // C++20
|
|
#endif
|
|
|
|
template <size_t _Np>
|
|
struct __narrow_to_utf8
|
|
{
|
|
template <class _OutputIterator, class _CharT>
|
|
_OutputIterator
|
|
operator()(_OutputIterator __s, const _CharT* __wb, const _CharT* __we) const;
|
|
};
|
|
|
|
template <>
|
|
struct __narrow_to_utf8<8>
|
|
{
|
|
template <class _OutputIterator, class _CharT>
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
_OutputIterator
|
|
operator()(_OutputIterator __s, const _CharT* __wb, const _CharT* __we) const
|
|
{
|
|
for (; __wb < __we; ++__wb, ++__s)
|
|
*__s = *__wb;
|
|
return __s;
|
|
}
|
|
};
|
|
|
|
_LIBCPP_SUPPRESS_DEPRECATED_PUSH
|
|
template <>
|
|
struct _LIBCPP_TEMPLATE_VIS __narrow_to_utf8<16>
|
|
: public codecvt<char16_t, char, mbstate_t>
|
|
{
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
__narrow_to_utf8() : codecvt<char16_t, char, mbstate_t>(1) {}
|
|
_LIBCPP_SUPPRESS_DEPRECATED_POP
|
|
|
|
_LIBCPP_EXPORTED_FROM_ABI ~__narrow_to_utf8();
|
|
|
|
template <class _OutputIterator, class _CharT>
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
_OutputIterator
|
|
operator()(_OutputIterator __s, const _CharT* __wb, const _CharT* __we) const
|
|
{
|
|
result __r = ok;
|
|
mbstate_t __mb;
|
|
while (__wb < __we && __r != error)
|
|
{
|
|
const int __sz = 32;
|
|
char __buf[__sz];
|
|
char* __bn;
|
|
const char16_t* __wn = (const char16_t*)__wb;
|
|
__r = do_out(__mb, (const char16_t*)__wb, (const char16_t*)__we, __wn,
|
|
__buf, __buf+__sz, __bn);
|
|
if (__r == codecvt_base::error || __wn == (const char16_t*)__wb)
|
|
__throw_runtime_error("locale not supported");
|
|
for (const char* __p = __buf; __p < __bn; ++__p, ++__s)
|
|
*__s = *__p;
|
|
__wb = (const _CharT*)__wn;
|
|
}
|
|
return __s;
|
|
}
|
|
};
|
|
|
|
_LIBCPP_SUPPRESS_DEPRECATED_PUSH
|
|
template <>
|
|
struct _LIBCPP_TEMPLATE_VIS __narrow_to_utf8<32>
|
|
: public codecvt<char32_t, char, mbstate_t>
|
|
{
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
__narrow_to_utf8() : codecvt<char32_t, char, mbstate_t>(1) {}
|
|
_LIBCPP_SUPPRESS_DEPRECATED_POP
|
|
|
|
_LIBCPP_EXPORTED_FROM_ABI ~__narrow_to_utf8();
|
|
|
|
template <class _OutputIterator, class _CharT>
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
_OutputIterator
|
|
operator()(_OutputIterator __s, const _CharT* __wb, const _CharT* __we) const
|
|
{
|
|
result __r = ok;
|
|
mbstate_t __mb;
|
|
while (__wb < __we && __r != error)
|
|
{
|
|
const int __sz = 32;
|
|
char __buf[__sz];
|
|
char* __bn;
|
|
const char32_t* __wn = (const char32_t*)__wb;
|
|
__r = do_out(__mb, (const char32_t*)__wb, (const char32_t*)__we, __wn,
|
|
__buf, __buf+__sz, __bn);
|
|
if (__r == codecvt_base::error || __wn == (const char32_t*)__wb)
|
|
__throw_runtime_error("locale not supported");
|
|
for (const char* __p = __buf; __p < __bn; ++__p, ++__s)
|
|
*__s = *__p;
|
|
__wb = (const _CharT*)__wn;
|
|
}
|
|
return __s;
|
|
}
|
|
};
|
|
|
|
template <size_t _Np>
|
|
struct __widen_from_utf8
|
|
{
|
|
template <class _OutputIterator>
|
|
_OutputIterator
|
|
operator()(_OutputIterator __s, const char* __nb, const char* __ne) const;
|
|
};
|
|
|
|
template <>
|
|
struct __widen_from_utf8<8>
|
|
{
|
|
template <class _OutputIterator>
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
_OutputIterator
|
|
operator()(_OutputIterator __s, const char* __nb, const char* __ne) const
|
|
{
|
|
for (; __nb < __ne; ++__nb, ++__s)
|
|
*__s = *__nb;
|
|
return __s;
|
|
}
|
|
};
|
|
|
|
_LIBCPP_SUPPRESS_DEPRECATED_PUSH
|
|
template <>
|
|
struct _LIBCPP_TEMPLATE_VIS __widen_from_utf8<16>
|
|
: public codecvt<char16_t, char, mbstate_t>
|
|
{
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
__widen_from_utf8() : codecvt<char16_t, char, mbstate_t>(1) {}
|
|
_LIBCPP_SUPPRESS_DEPRECATED_POP
|
|
|
|
_LIBCPP_EXPORTED_FROM_ABI ~__widen_from_utf8();
|
|
|
|
template <class _OutputIterator>
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
_OutputIterator
|
|
operator()(_OutputIterator __s, const char* __nb, const char* __ne) const
|
|
{
|
|
result __r = ok;
|
|
mbstate_t __mb;
|
|
while (__nb < __ne && __r != error)
|
|
{
|
|
const int __sz = 32;
|
|
char16_t __buf[__sz];
|
|
char16_t* __bn;
|
|
const char* __nn = __nb;
|
|
__r = do_in(__mb, __nb, __ne - __nb > __sz ? __nb+__sz : __ne, __nn,
|
|
__buf, __buf+__sz, __bn);
|
|
if (__r == codecvt_base::error || __nn == __nb)
|
|
__throw_runtime_error("locale not supported");
|
|
for (const char16_t* __p = __buf; __p < __bn; ++__p, ++__s)
|
|
*__s = *__p;
|
|
__nb = __nn;
|
|
}
|
|
return __s;
|
|
}
|
|
};
|
|
|
|
_LIBCPP_SUPPRESS_DEPRECATED_PUSH
|
|
template <>
|
|
struct _LIBCPP_TEMPLATE_VIS __widen_from_utf8<32>
|
|
: public codecvt<char32_t, char, mbstate_t>
|
|
{
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
__widen_from_utf8() : codecvt<char32_t, char, mbstate_t>(1) {}
|
|
_LIBCPP_SUPPRESS_DEPRECATED_POP
|
|
|
|
_LIBCPP_EXPORTED_FROM_ABI ~__widen_from_utf8();
|
|
|
|
template <class _OutputIterator>
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
_OutputIterator
|
|
operator()(_OutputIterator __s, const char* __nb, const char* __ne) const
|
|
{
|
|
result __r = ok;
|
|
mbstate_t __mb;
|
|
while (__nb < __ne && __r != error)
|
|
{
|
|
const int __sz = 32;
|
|
char32_t __buf[__sz];
|
|
char32_t* __bn;
|
|
const char* __nn = __nb;
|
|
__r = do_in(__mb, __nb, __ne - __nb > __sz ? __nb+__sz : __ne, __nn,
|
|
__buf, __buf+__sz, __bn);
|
|
if (__r == codecvt_base::error || __nn == __nb)
|
|
__throw_runtime_error("locale not supported");
|
|
for (const char32_t* __p = __buf; __p < __bn; ++__p, ++__s)
|
|
*__s = *__p;
|
|
__nb = __nn;
|
|
}
|
|
return __s;
|
|
}
|
|
};
|
|
|
|
// template <class charT> class numpunct
|
|
|
|
template <class _CharT> class _LIBCPP_TEMPLATE_VIS numpunct;
|
|
|
|
template <>
|
|
class _LIBCPP_TYPE_VIS numpunct<char>
|
|
: public locale::facet
|
|
{
|
|
public:
|
|
typedef char char_type;
|
|
typedef basic_string<char_type> string_type;
|
|
|
|
explicit numpunct(size_t __refs = 0);
|
|
|
|
_LIBCPP_INLINE_VISIBILITY char_type decimal_point() const {return do_decimal_point();}
|
|
_LIBCPP_INLINE_VISIBILITY char_type thousands_sep() const {return do_thousands_sep();}
|
|
_LIBCPP_INLINE_VISIBILITY string grouping() const {return do_grouping();}
|
|
_LIBCPP_INLINE_VISIBILITY string_type truename() const {return do_truename();}
|
|
_LIBCPP_INLINE_VISIBILITY string_type falsename() const {return do_falsename();}
|
|
|
|
static locale::id id;
|
|
|
|
protected:
|
|
~numpunct();
|
|
virtual char_type do_decimal_point() const;
|
|
virtual char_type do_thousands_sep() const;
|
|
virtual string do_grouping() const;
|
|
virtual string_type do_truename() const;
|
|
virtual string_type do_falsename() const;
|
|
|
|
char_type __decimal_point_;
|
|
char_type __thousands_sep_;
|
|
string __grouping_;
|
|
};
|
|
|
|
template <>
|
|
class _LIBCPP_TYPE_VIS numpunct<wchar_t>
|
|
: public locale::facet
|
|
{
|
|
public:
|
|
typedef wchar_t char_type;
|
|
typedef basic_string<char_type> string_type;
|
|
|
|
explicit numpunct(size_t __refs = 0);
|
|
|
|
_LIBCPP_INLINE_VISIBILITY char_type decimal_point() const {return do_decimal_point();}
|
|
_LIBCPP_INLINE_VISIBILITY char_type thousands_sep() const {return do_thousands_sep();}
|
|
_LIBCPP_INLINE_VISIBILITY string grouping() const {return do_grouping();}
|
|
_LIBCPP_INLINE_VISIBILITY string_type truename() const {return do_truename();}
|
|
_LIBCPP_INLINE_VISIBILITY string_type falsename() const {return do_falsename();}
|
|
|
|
static locale::id id;
|
|
|
|
protected:
|
|
~numpunct();
|
|
virtual char_type do_decimal_point() const;
|
|
virtual char_type do_thousands_sep() const;
|
|
virtual string do_grouping() const;
|
|
virtual string_type do_truename() const;
|
|
virtual string_type do_falsename() const;
|
|
|
|
char_type __decimal_point_;
|
|
char_type __thousands_sep_;
|
|
string __grouping_;
|
|
};
|
|
|
|
// template <class charT> class numpunct_byname
|
|
|
|
template <class _CharT> class _LIBCPP_TEMPLATE_VIS numpunct_byname;
|
|
|
|
template <>
|
|
class _LIBCPP_TYPE_VIS numpunct_byname<char>
|
|
: public numpunct<char>
|
|
{
|
|
public:
|
|
typedef char char_type;
|
|
typedef basic_string<char_type> string_type;
|
|
|
|
explicit numpunct_byname(const char* __nm, size_t __refs = 0);
|
|
explicit numpunct_byname(const string& __nm, size_t __refs = 0);
|
|
|
|
protected:
|
|
~numpunct_byname();
|
|
|
|
private:
|
|
void __init(const char*);
|
|
};
|
|
|
|
template <>
|
|
class _LIBCPP_TYPE_VIS numpunct_byname<wchar_t>
|
|
: public numpunct<wchar_t>
|
|
{
|
|
public:
|
|
typedef wchar_t char_type;
|
|
typedef basic_string<char_type> string_type;
|
|
|
|
explicit numpunct_byname(const char* __nm, size_t __refs = 0);
|
|
explicit numpunct_byname(const string& __nm, size_t __refs = 0);
|
|
|
|
protected:
|
|
~numpunct_byname();
|
|
|
|
private:
|
|
void __init(const char*);
|
|
};
|
|
|
|
_LIBCPP_END_NAMESPACE_STD
|
|
|
|
#endif // _LIBCPP___LOCALE
|