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llvm / llvm-project / 6076c1dc1ca1077923a7b82f6b155d746efa9be9 / . / libcxx / src / locale.cpp
blob: 79f03b85fab3db445fa2398764b1bfb7af73dff7 [file] [log] [blame]
//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
// On Solaris, we need to define something to make the C99 parts of localeconv
// visible.
#ifdef __sun__
#define _LCONV_C99
#endif
#include "algorithm"
#include "clocale"
#include "codecvt"
#include "cstdio"
#include "cstdlib"
#include "cstring"
#include "locale"
#include "string"
#include "type_traits"
#include "typeinfo"
#include "vector"
#ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS
# include "cwctype"
#endif
#if defined(_AIX)
# include <sys/localedef.h> // for __lc_ctype_ptr
#endif
#if defined(_LIBCPP_MSVCRT)
# define _CTYPE_DISABLE_MACROS
#endif
#if defined(_LIBCPP_MSVCRT) || defined(__MINGW32__)
# include "__support/win32/locale_win32.h"
#elif !defined(__BIONIC__) && !defined(__NuttX__)
# include <langinfo.h>
#endif
#include "include/atomic_support.h"
#include "include/sso_allocator.h"
#include "__undef_macros"
// On Linux, wint_t and wchar_t have different signed-ness, and this causes
// lots of noise in the build log, but no bugs that I know of.
#if defined(__clang__)
#pragma clang diagnostic ignored "-Wsign-conversion"
#endif
_LIBCPP_BEGIN_NAMESPACE_STD
struct __libcpp_unique_locale {
__libcpp_unique_locale(const char* nm) : __loc_(newlocale(LC_ALL_MASK, nm, 0)) {}
~__libcpp_unique_locale() {
if (__loc_)
freelocale(__loc_);
}
explicit operator bool() const { return __loc_; }
locale_t& get() { return __loc_; }
locale_t __loc_;
private:
__libcpp_unique_locale(__libcpp_unique_locale const&);
__libcpp_unique_locale& operator=(__libcpp_unique_locale const&);
};
#ifdef __cloc_defined
locale_t __cloc() {
// In theory this could create a race condition. In practice
// the race condition is non-fatal since it will just create
// a little resource leak. Better approach would be appreciated.
static locale_t result = newlocale(LC_ALL_MASK, "C", 0);
return result;
}
#endif // __cloc_defined
namespace {
struct release
{
void operator()(locale::facet* p) {p->__release_shared();}
};
template <class T, class ...Args>
T& make(Args ...args)
{
static typename aligned_storage<sizeof(T)>::type buf;
auto *obj = ::new (&buf) T(args...);
return *obj;
}
template <typename T, size_t N>
inline
_LIBCPP_CONSTEXPR
size_t
countof(const T (&)[N])
{
return N;
}
template <typename T>
inline
_LIBCPP_CONSTEXPR
size_t
countof(const T * const begin, const T * const end)
{
return static_cast<size_t>(end - begin);
}
_LIBCPP_NORETURN static void __throw_runtime_error(const string &msg)
{
#ifndef _LIBCPP_NO_EXCEPTIONS
throw runtime_error(msg);
#else
(void)msg;
_VSTD::abort();
#endif
}
}
#if defined(_AIX)
// Set priority to INT_MIN + 256 + 150
# pragma priority ( -2147483242 )
#endif
const locale::category locale::none;
const locale::category locale::collate;
const locale::category locale::ctype;
const locale::category locale::monetary;
const locale::category locale::numeric;
const locale::category locale::time;
const locale::category locale::messages;
const locale::category locale::all;
class _LIBCPP_HIDDEN locale::__imp
: public facet
{
enum {N = 30};
#if defined(_LIBCPP_COMPILER_MSVC)
// FIXME: MSVC doesn't support aligned parameters by value.
// I can't get the __sso_allocator to work here
// for MSVC I think for this reason.
vector<facet*> facets_;
#else
vector<facet*, __sso_allocator<facet*, N> > facets_;
#endif
string name_;
public:
explicit __imp(size_t refs = 0);
explicit __imp(const string& name, size_t refs = 0);
__imp(const __imp&);
__imp(const __imp&, const string&, locale::category c);
__imp(const __imp& other, const __imp& one, locale::category c);
__imp(const __imp&, facet* f, long id);
~__imp();
const string& name() const {return name_;}
bool has_facet(long id) const
{return static_cast<size_t>(id) < facets_.size() && facets_[static_cast<size_t>(id)];}
const locale::facet* use_facet(long id) const;
static const locale& make_classic();
static locale& make_global();
private:
void install(facet* f, long id);
template <class F> void install(F* f) {install(f, f->id.__get());}
template <class F> void install_from(const __imp& other);
};
locale::__imp::__imp(size_t refs)
: facet(refs),
facets_(N),
name_("C")
{
facets_.clear();
install(&make<_VSTD::collate<char> >(1u));
#ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS
install(&make<_VSTD::collate<wchar_t> >(1u));
#endif
install(&make<_VSTD::ctype<char> >(nullptr, false, 1u));
#ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS
install(&make<_VSTD::ctype<wchar_t> >(1u));
#endif
install(&make<codecvt<char, char, mbstate_t> >(1u));
#ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS
install(&make<codecvt<wchar_t, char, mbstate_t> >(1u));
#endif
_LIBCPP_SUPPRESS_DEPRECATED_PUSH
install(&make<codecvt<char16_t, char, mbstate_t> >(1u));
install(&make<codecvt<char32_t, char, mbstate_t> >(1u));
_LIBCPP_SUPPRESS_DEPRECATED_POP
#ifndef _LIBCPP_HAS_NO_CHAR8_T
install(&make<codecvt<char16_t, char8_t, mbstate_t> >(1u));
install(&make<codecvt<char32_t, char8_t, mbstate_t> >(1u));
#endif
install(&make<numpunct<char> >(1u));
#ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS
install(&make<numpunct<wchar_t> >(1u));
#endif
install(&make<num_get<char> >(1u));
#ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS
install(&make<num_get<wchar_t> >(1u));
#endif
install(&make<num_put<char> >(1u));
#ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS
install(&make<num_put<wchar_t> >(1u));
#endif
install(&make<moneypunct<char, false> >(1u));
install(&make<moneypunct<char, true> >(1u));
#ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS
install(&make<moneypunct<wchar_t, false> >(1u));
install(&make<moneypunct<wchar_t, true> >(1u));
#endif
install(&make<money_get<char> >(1u));
#ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS
install(&make<money_get<wchar_t> >(1u));
#endif
install(&make<money_put<char> >(1u));
#ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS
install(&make<money_put<wchar_t> >(1u));
#endif
install(&make<time_get<char> >(1u));
#ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS
install(&make<time_get<wchar_t> >(1u));
#endif
install(&make<time_put<char> >(1u));
#ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS
install(&make<time_put<wchar_t> >(1u));
#endif
install(&make<_VSTD::messages<char> >(1u));
#ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS
install(&make<_VSTD::messages<wchar_t> >(1u));
#endif
}
locale::__imp::__imp(const string& name, size_t refs)
: facet(refs),
facets_(N),
name_(name)
{
#ifndef _LIBCPP_NO_EXCEPTIONS
try
{
#endif // _LIBCPP_NO_EXCEPTIONS
facets_ = locale::classic().__locale_->facets_;
for (unsigned i = 0; i < facets_.size(); ++i)
if (facets_[i])
facets_[i]->__add_shared();
install(new collate_byname<char>(name_));
#ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS
install(new collate_byname<wchar_t>(name_));
#endif
install(new ctype_byname<char>(name_));
#ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS
install(new ctype_byname<wchar_t>(name_));
#endif
install(new codecvt_byname<char, char, mbstate_t>(name_));
#ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS
install(new codecvt_byname<wchar_t, char, mbstate_t>(name_));
#endif
_LIBCPP_SUPPRESS_DEPRECATED_PUSH
install(new codecvt_byname<char16_t, char, mbstate_t>(name_));
install(new codecvt_byname<char32_t, char, mbstate_t>(name_));
_LIBCPP_SUPPRESS_DEPRECATED_POP
#ifndef _LIBCPP_HAS_NO_CHAR8_T
install(new codecvt_byname<char16_t, char8_t, mbstate_t>(name_));
install(new codecvt_byname<char32_t, char8_t, mbstate_t>(name_));
#endif
install(new numpunct_byname<char>(name_));
#ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS
install(new numpunct_byname<wchar_t>(name_));
#endif
install(new moneypunct_byname<char, false>(name_));
install(new moneypunct_byname<char, true>(name_));
#ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS
install(new moneypunct_byname<wchar_t, false>(name_));
install(new moneypunct_byname<wchar_t, true>(name_));
#endif
install(new time_get_byname<char>(name_));
#ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS
install(new time_get_byname<wchar_t>(name_));
#endif
install(new time_put_byname<char>(name_));
#ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS
install(new time_put_byname<wchar_t>(name_));
#endif
install(new messages_byname<char>(name_));
#ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS
install(new messages_byname<wchar_t>(name_));
#endif
#ifndef _LIBCPP_NO_EXCEPTIONS
}
catch (...)
{
for (unsigned i = 0; i < facets_.size(); ++i)
if (facets_[i])
facets_[i]->__release_shared();
throw;
}
#endif // _LIBCPP_NO_EXCEPTIONS
}
locale::__imp::__imp(const __imp& other)
: facets_(max<size_t>(N, other.facets_.size())),
name_(other.name_)
{
facets_ = other.facets_;
for (unsigned i = 0; i < facets_.size(); ++i)
if (facets_[i])
facets_[i]->__add_shared();
}
locale::__imp::__imp(const __imp& other, const string& name, locale::category c)
: facets_(N),
name_("*")
{
facets_ = other.facets_;
for (unsigned i = 0; i < facets_.size(); ++i)
if (facets_[i])
facets_[i]->__add_shared();
#ifndef _LIBCPP_NO_EXCEPTIONS
try
{
#endif // _LIBCPP_NO_EXCEPTIONS
if (c & locale::collate)
{
install(new collate_byname<char>(name));
#ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS
install(new collate_byname<wchar_t>(name));
#endif
}
if (c & locale::ctype)
{
install(new ctype_byname<char>(name));
#ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS
install(new ctype_byname<wchar_t>(name));
#endif
install(new codecvt_byname<char, char, mbstate_t>(name));
#ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS
install(new codecvt_byname<wchar_t, char, mbstate_t>(name));
#endif
_LIBCPP_SUPPRESS_DEPRECATED_PUSH
install(new codecvt_byname<char16_t, char, mbstate_t>(name));
install(new codecvt_byname<char32_t, char, mbstate_t>(name));
_LIBCPP_SUPPRESS_DEPRECATED_POP
#ifndef _LIBCPP_HAS_NO_CHAR8_T
install(new codecvt_byname<char16_t, char8_t, mbstate_t>(name));
install(new codecvt_byname<char32_t, char8_t, mbstate_t>(name));
#endif
}
if (c & locale::monetary)
{
install(new moneypunct_byname<char, false>(name));
install(new moneypunct_byname<char, true>(name));
#ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS
install(new moneypunct_byname<wchar_t, false>(name));
install(new moneypunct_byname<wchar_t, true>(name));
#endif
}
if (c & locale::numeric)
{
install(new numpunct_byname<char>(name));
#ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS
install(new numpunct_byname<wchar_t>(name));
#endif
}
if (c & locale::time)
{
install(new time_get_byname<char>(name));
#ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS
install(new time_get_byname<wchar_t>(name));
#endif
install(new time_put_byname<char>(name));
#ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS
install(new time_put_byname<wchar_t>(name));
#endif
}
if (c & locale::messages)
{
install(new messages_byname<char>(name));
#ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS
install(new messages_byname<wchar_t>(name));
#endif
}
#ifndef _LIBCPP_NO_EXCEPTIONS
}
catch (...)
{
for (unsigned i = 0; i < facets_.size(); ++i)
if (facets_[i])
facets_[i]->__release_shared();
throw;
}
#endif // _LIBCPP_NO_EXCEPTIONS
}
template<class F>
inline
void
locale::__imp::install_from(const locale::__imp& one)
{
long id = F::id.__get();
install(const_cast<F*>(static_cast<const F*>(one.use_facet(id))), id);
}
locale::__imp::__imp(const __imp& other, const __imp& one, locale::category c)
: facets_(N),
name_("*")
{
facets_ = other.facets_;
for (unsigned i = 0; i < facets_.size(); ++i)
if (facets_[i])
facets_[i]->__add_shared();
#ifndef _LIBCPP_NO_EXCEPTIONS
try
{
#endif // _LIBCPP_NO_EXCEPTIONS
if (c & locale::collate)
{
install_from<_VSTD::collate<char> >(one);
#ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS
install_from<_VSTD::collate<wchar_t> >(one);
#endif
}
if (c & locale::ctype)
{
install_from<_VSTD::ctype<char> >(one);
#ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS
install_from<_VSTD::ctype<wchar_t> >(one);
#endif
install_from<_VSTD::codecvt<char, char, mbstate_t> >(one);
_LIBCPP_SUPPRESS_DEPRECATED_PUSH
install_from<_VSTD::codecvt<char16_t, char, mbstate_t> >(one);
install_from<_VSTD::codecvt<char32_t, char, mbstate_t> >(one);
_LIBCPP_SUPPRESS_DEPRECATED_POP
#ifndef _LIBCPP_HAS_NO_CHAR8_T
install_from<_VSTD::codecvt<char16_t, char8_t, mbstate_t> >(one);
install_from<_VSTD::codecvt<char32_t, char8_t, mbstate_t> >(one);
#endif
#ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS
install_from<_VSTD::codecvt<wchar_t, char, mbstate_t> >(one);
#endif
}
if (c & locale::monetary)
{
install_from<moneypunct<char, false> >(one);
install_from<moneypunct<char, true> >(one);
#ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS
install_from<moneypunct<wchar_t, false> >(one);
install_from<moneypunct<wchar_t, true> >(one);
#endif
install_from<money_get<char> >(one);
#ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS
install_from<money_get<wchar_t> >(one);
#endif
install_from<money_put<char> >(one);
#ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS
install_from<money_put<wchar_t> >(one);
#endif
}
if (c & locale::numeric)
{
install_from<numpunct<char> >(one);
#ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS
install_from<numpunct<wchar_t> >(one);
#endif
install_from<num_get<char> >(one);
#ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS
install_from<num_get<wchar_t> >(one);
#endif
install_from<num_put<char> >(one);
#ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS
install_from<num_put<wchar_t> >(one);
#endif
}
if (c & locale::time)
{
install_from<time_get<char> >(one);
#ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS
install_from<time_get<wchar_t> >(one);
#endif
install_from<time_put<char> >(one);
#ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS
install_from<time_put<wchar_t> >(one);
#endif
}
if (c & locale::messages)
{
install_from<_VSTD::messages<char> >(one);
#ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS
install_from<_VSTD::messages<wchar_t> >(one);
#endif
}
#ifndef _LIBCPP_NO_EXCEPTIONS
}
catch (...)
{
for (unsigned i = 0; i < facets_.size(); ++i)
if (facets_[i])
facets_[i]->__release_shared();
throw;
}
#endif // _LIBCPP_NO_EXCEPTIONS
}
locale::__imp::__imp(const __imp& other, facet* f, long id)
: facets_(max<size_t>(N, other.facets_.size()+1)),
name_("*")
{
f->__add_shared();
unique_ptr<facet, release> hold(f);
facets_ = other.facets_;
for (unsigned i = 0; i < other.facets_.size(); ++i)
if (facets_[i])
facets_[i]->__add_shared();
install(hold.get(), id);
}
locale::__imp::~__imp()
{
for (unsigned i = 0; i < facets_.size(); ++i)
if (facets_[i])
facets_[i]->__release_shared();
}
void
locale::__imp::install(facet* f, long id)
{
f->__add_shared();
unique_ptr<facet, release> hold(f);
if (static_cast<size_t>(id) >= facets_.size())
facets_.resize(static_cast<size_t>(id+1));
if (facets_[static_cast<size_t>(id)])
facets_[static_cast<size_t>(id)]->__release_shared();
facets_[static_cast<size_t>(id)] = hold.release();
}
const locale::facet*
locale::__imp::use_facet(long id) const
{
if (!has_facet(id))
__throw_bad_cast();
return facets_[static_cast<size_t>(id)];
}
// locale
const locale&
locale::__imp::make_classic()
{
// only one thread can get in here and it only gets in once
static aligned_storage<sizeof(locale)>::type buf;
locale* c = reinterpret_cast<locale*>(&buf);
c->__locale_ = &make<__imp>(1u);
return *c;
}
const locale&
locale::classic()
{
static const locale& c = __imp::make_classic();
return c;
}
locale&
locale::__imp::make_global()
{
// only one thread can get in here and it only gets in once
static aligned_storage<sizeof(locale)>::type buf;
auto *obj = ::new (&buf) locale(locale::classic());
return *obj;
}
locale&
locale::__global()
{
static locale& g = __imp::make_global();
return g;
}
locale::locale() noexcept
: __locale_(__global().__locale_)
{
__locale_->__add_shared();
}
locale::locale(const locale& l) noexcept
: __locale_(l.__locale_)
{
__locale_->__add_shared();
}
locale::~locale()
{
__locale_->__release_shared();
}
const locale&
locale::operator=(const locale& other) noexcept
{
other.__locale_->__add_shared();
__locale_->__release_shared();
__locale_ = other.__locale_;
return *this;
}
locale::locale(const char* name)
: __locale_(name ? new __imp(name)
: (__throw_runtime_error("locale constructed with null"), nullptr))
{
__locale_->__add_shared();
}
locale::locale(const string& name)
: __locale_(new __imp(name))
{
__locale_->__add_shared();
}
locale::locale(const locale& other, const char* name, category c)
: __locale_(name ? new __imp(*other.__locale_, name, c)
: (__throw_runtime_error("locale constructed with null"), nullptr))
{
__locale_->__add_shared();
}
locale::locale(const locale& other, const string& name, category c)
: __locale_(new __imp(*other.__locale_, name, c))
{
__locale_->__add_shared();
}
locale::locale(const locale& other, const locale& one, category c)
: __locale_(new __imp(*other.__locale_, *one.__locale_, c))
{
__locale_->__add_shared();
}
string
locale::name() const
{
return __locale_->name();
}
void
locale::__install_ctor(const locale& other, facet* f, long id)
{
if (f)
__locale_ = new __imp(*other.__locale_, f, id);
else
__locale_ = other.__locale_;
__locale_->__add_shared();
}
locale
locale::global(const locale& loc)
{
locale& g = __global();
locale r = g;
g = loc;
if (g.name() != "*")
setlocale(LC_ALL, g.name().c_str());
return r;
}
bool
locale::has_facet(id& x) const
{
return __locale_->has_facet(x.__get());
}
const locale::facet*
locale::use_facet(id& x) const
{
return __locale_->use_facet(x.__get());
}
bool
locale::operator==(const locale& y) const
{
return (__locale_ == y.__locale_)
|| (__locale_->name() != "*" && __locale_->name() == y.__locale_->name());
}
// locale::facet
locale::facet::~facet()
{
}
void
locale::facet::__on_zero_shared() noexcept
{
delete this;
}
// locale::id
int32_t locale::id::__next_id = 0;
namespace
{
class __fake_bind
{
locale::id* id_;
void (locale::id::* pmf_)();
public:
__fake_bind(void (locale::id::* pmf)(), locale::id* id)
: id_(id), pmf_(pmf) {}
void operator()() const
{
(id_->*pmf_)();
}
};
}
long
locale::id::__get()
{
call_once(__flag_, __fake_bind(&locale::id::__init, this));
return __id_ - 1;
}
void
locale::id::__init()
{
__id_ = __libcpp_atomic_add(&__next_id, 1);
}
// template <> class collate_byname<char>
collate_byname<char>::collate_byname(const char* n, size_t refs)
: collate<char>(refs),
__l(newlocale(LC_ALL_MASK, n, 0))
{
if (__l == 0)
__throw_runtime_error("collate_byname<char>::collate_byname"
" failed to construct for " + string(n));
}
collate_byname<char>::collate_byname(const string& name, size_t refs)
: collate<char>(refs),
__l(newlocale(LC_ALL_MASK, name.c_str(), 0))
{
if (__l == 0)
__throw_runtime_error("collate_byname<char>::collate_byname"
" failed to construct for " + name);
}
collate_byname<char>::~collate_byname()
{
freelocale(__l);
}
int
collate_byname<char>::do_compare(const char_type* __lo1, const char_type* __hi1,
const char_type* __lo2, const char_type* __hi2) const
{
string_type lhs(__lo1, __hi1);
string_type rhs(__lo2, __hi2);
int r = strcoll_l(lhs.c_str(), rhs.c_str(), __l);
if (r < 0)
return -1;
if (r > 0)
return 1;
return r;
}
collate_byname<char>::string_type
collate_byname<char>::do_transform(const char_type* lo, const char_type* hi) const
{
const string_type in(lo, hi);
string_type out(strxfrm_l(0, in.c_str(), 0, __l), char());
strxfrm_l(const_cast<char*>(out.c_str()), in.c_str(), out.size()+1, __l);
return out;
}
// template <> class collate_byname<wchar_t>
#ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS
collate_byname<wchar_t>::collate_byname(const char* n, size_t refs)
: collate<wchar_t>(refs),
__l(newlocale(LC_ALL_MASK, n, 0))
{
if (__l == 0)
__throw_runtime_error("collate_byname<wchar_t>::collate_byname(size_t refs)"
" failed to construct for " + string(n));
}
collate_byname<wchar_t>::collate_byname(const string& name, size_t refs)
: collate<wchar_t>(refs),
__l(newlocale(LC_ALL_MASK, name.c_str(), 0))
{
if (__l == 0)
__throw_runtime_error("collate_byname<wchar_t>::collate_byname(size_t refs)"
" failed to construct for " + name);
}
collate_byname<wchar_t>::~collate_byname()
{
freelocale(__l);
}
int
collate_byname<wchar_t>::do_compare(const char_type* __lo1, const char_type* __hi1,
const char_type* __lo2, const char_type* __hi2) const
{
string_type lhs(__lo1, __hi1);
string_type rhs(__lo2, __hi2);
int r = wcscoll_l(lhs.c_str(), rhs.c_str(), __l);
if (r < 0)
return -1;
if (r > 0)
return 1;
return r;
}
collate_byname<wchar_t>::string_type
collate_byname<wchar_t>::do_transform(const char_type* lo, const char_type* hi) const
{
const string_type in(lo, hi);
string_type out(wcsxfrm_l(0, in.c_str(), 0, __l), wchar_t());
wcsxfrm_l(const_cast<wchar_t*>(out.c_str()), in.c_str(), out.size()+1, __l);
return out;
}
#endif // _LIBCPP_HAS_NO_WIDE_CHARACTERS
const ctype_base::mask ctype_base::space;
const ctype_base::mask ctype_base::print;
const ctype_base::mask ctype_base::cntrl;
const ctype_base::mask ctype_base::upper;
const ctype_base::mask ctype_base::lower;
const ctype_base::mask ctype_base::alpha;
const ctype_base::mask ctype_base::digit;
const ctype_base::mask ctype_base::punct;
const ctype_base::mask ctype_base::xdigit;
const ctype_base::mask ctype_base::blank;
const ctype_base::mask ctype_base::alnum;
const ctype_base::mask ctype_base::graph;
// template <> class ctype<wchar_t>;
#ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS
locale::id ctype<wchar_t>::id;
ctype<wchar_t>::~ctype()
{
}
bool
ctype<wchar_t>::do_is(mask m, char_type c) const
{
return isascii(c) ? (ctype<char>::classic_table()[c] & m) != 0 : false;
}
const wchar_t*
ctype<wchar_t>::do_is(const char_type* low, const char_type* high, mask* vec) const
{
for (; low != high; ++low, ++vec)
*vec = static_cast<mask>(isascii(*low) ?
ctype<char>::classic_table()[*low] : 0);
return low;
}
const wchar_t*
ctype<wchar_t>::do_scan_is(mask m, const char_type* low, const char_type* high) const
{
for (; low != high; ++low)
if (isascii(*low) && (ctype<char>::classic_table()[*low] & m))
break;
return low;
}
const wchar_t*
ctype<wchar_t>::do_scan_not(mask m, const char_type* low, const char_type* high) const
{
for (; low != high; ++low)
if (!(isascii(*low) && (ctype<char>::classic_table()[*low] & m)))
break;
return low;
}
wchar_t
ctype<wchar_t>::do_toupper(char_type c) const
{
#ifdef _LIBCPP_HAS_DEFAULTRUNELOCALE
return isascii(c) ? _DefaultRuneLocale.__mapupper[c] : c;
#elif defined(__GLIBC__) || defined(__EMSCRIPTEN__) || \
defined(__NetBSD__)
return isascii(c) ? ctype<char>::__classic_upper_table()[c] : c;
#else
return (isascii(c) && iswlower_l(c, _LIBCPP_GET_C_LOCALE)) ? c-L'a'+L'A' : c;
#endif
}
const wchar_t*
ctype<wchar_t>::do_toupper(char_type* low, const char_type* high) const
{
for (; low != high; ++low)
#ifdef _LIBCPP_HAS_DEFAULTRUNELOCALE
*low = isascii(*low) ? _DefaultRuneLocale.__mapupper[*low] : *low;
#elif defined(__GLIBC__) || defined(__EMSCRIPTEN__) || \
defined(__NetBSD__)
*low = isascii(*low) ? ctype<char>::__classic_upper_table()[*low]
: *low;
#else
*low = (isascii(*low) && islower_l(*low, _LIBCPP_GET_C_LOCALE)) ? (*low-L'a'+L'A') : *low;
#endif
return low;
}
wchar_t
ctype<wchar_t>::do_tolower(char_type c) const
{
#ifdef _LIBCPP_HAS_DEFAULTRUNELOCALE
return isascii(c) ? _DefaultRuneLocale.__maplower[c] : c;
#elif defined(__GLIBC__) || defined(__EMSCRIPTEN__) || \
defined(__NetBSD__)
return isascii(c) ? ctype<char>::__classic_lower_table()[c] : c;
#else
return (isascii(c) && isupper_l(c, _LIBCPP_GET_C_LOCALE)) ? c-L'A'+'a' : c;
#endif
}
const wchar_t*
ctype<wchar_t>::do_tolower(char_type* low, const char_type* high) const
{
for (; low != high; ++low)
#ifdef _LIBCPP_HAS_DEFAULTRUNELOCALE
*low = isascii(*low) ? _DefaultRuneLocale.__maplower[*low] : *low;
#elif defined(__GLIBC__) || defined(__EMSCRIPTEN__) || \
defined(__NetBSD__)
*low = isascii(*low) ? ctype<char>::__classic_lower_table()[*low]
: *low;
#else
*low = (isascii(*low) && isupper_l(*low, _LIBCPP_GET_C_LOCALE)) ? *low-L'A'+L'a' : *low;
#endif
return low;
}
wchar_t
ctype<wchar_t>::do_widen(char c) const
{
return c;
}
const char*
ctype<wchar_t>::do_widen(const char* low, const char* high, char_type* dest) const
{
for (; low != high; ++low, ++dest)
*dest = *low;
return low;
}
char
ctype<wchar_t>::do_narrow(char_type c, char dfault) const
{
if (isascii(c))
return static_cast<char>(c);
return dfault;
}
const wchar_t*
ctype<wchar_t>::do_narrow(const char_type* low, const char_type* high, char dfault, char* dest) const
{
for (; low != high; ++low, ++dest)
if (isascii(*low))
*dest = static_cast<char>(*low);
else
*dest = dfault;
return low;
}
#endif // _LIBCPP_HAS_NO_WIDE_CHARACTERS
// template <> class ctype<char>;
locale::id ctype<char>::id;
const size_t ctype<char>::table_size;
ctype<char>::ctype(const mask* tab, bool del, size_t refs)
: locale::facet(refs),
__tab_(tab),
__del_(del)
{
if (__tab_ == 0)
__tab_ = classic_table();
}
ctype<char>::~ctype()
{
if (__tab_ && __del_)
delete [] __tab_;
}
char
ctype<char>::do_toupper(char_type c) const
{
#ifdef _LIBCPP_HAS_DEFAULTRUNELOCALE
return isascii(c) ?
static_cast<char>(_DefaultRuneLocale.__mapupper[static_cast<ptrdiff_t>(c)]) : c;
#elif defined(__NetBSD__)
return static_cast<char>(__classic_upper_table()[static_cast<unsigned char>(c)]);
#elif defined(__GLIBC__) || defined(__EMSCRIPTEN__)
return isascii(c) ?
static_cast<char>(__classic_upper_table()[static_cast<unsigned char>(c)]) : c;
#else
return (isascii(c) && islower_l(c, _LIBCPP_GET_C_LOCALE)) ? c-'a'+'A' : c;
#endif
}
const char*
ctype<char>::do_toupper(char_type* low, const char_type* high) const
{
for (; low != high; ++low)
#ifdef _LIBCPP_HAS_DEFAULTRUNELOCALE
*low = isascii(*low) ?
static_cast<char>(_DefaultRuneLocale.__mapupper[static_cast<ptrdiff_t>(*low)]) : *low;
#elif defined(__NetBSD__)
*low = static_cast<char>(__classic_upper_table()[static_cast<unsigned char>(*low)]);
#elif defined(__GLIBC__) || defined(__EMSCRIPTEN__)
*low = isascii(*low) ?
static_cast<char>(__classic_upper_table()[static_cast<size_t>(*low)]) : *low;
#else
*low = (isascii(*low) && islower_l(*low, _LIBCPP_GET_C_LOCALE)) ? *low-'a'+'A' : *low;
#endif
return low;
}
char
ctype<char>::do_tolower(char_type c) const
{
#ifdef _LIBCPP_HAS_DEFAULTRUNELOCALE
return isascii(c) ?
static_cast<char>(_DefaultRuneLocale.__maplower[static_cast<ptrdiff_t>(c)]) : c;
#elif defined(__NetBSD__)
return static_cast<char>(__classic_lower_table()[static_cast<unsigned char>(c)]);
#elif defined(__GLIBC__) || defined(__EMSCRIPTEN__)
return isascii(c) ?
static_cast<char>(__classic_lower_table()[static_cast<size_t>(c)]) : c;
#else
return (isascii(c) && isupper_l(c, _LIBCPP_GET_C_LOCALE)) ? c-'A'+'a' : c;
#endif
}
const char*
ctype<char>::do_tolower(char_type* low, const char_type* high) const
{
for (; low != high; ++low)
#ifdef _LIBCPP_HAS_DEFAULTRUNELOCALE
*low = isascii(*low) ? static_cast<char>(_DefaultRuneLocale.__maplower[static_cast<ptrdiff_t>(*low)]) : *low;
#elif defined(__NetBSD__)
*low = static_cast<char>(__classic_lower_table()[static_cast<unsigned char>(*low)]);
#elif defined(__GLIBC__) || defined(__EMSCRIPTEN__)
*low = isascii(*low) ? static_cast<char>(__classic_lower_table()[static_cast<size_t>(*low)]) : *low;
#else
*low = (isascii(*low) && isupper_l(*low, _LIBCPP_GET_C_LOCALE)) ? *low-'A'+'a' : *low;
#endif
return low;
}
char
ctype<char>::do_widen(char c) const
{
return c;
}
const char*
ctype<char>::do_widen(const char* low, const char* high, char_type* dest) const
{
for (; low != high; ++low, ++dest)
*dest = *low;
return low;
}
char
ctype<char>::do_narrow(char_type c, char dfault) const
{
if (isascii(c))
return static_cast<char>(c);
return dfault;
}
const char*
ctype<char>::do_narrow(const char_type* low, const char_type* high, char dfault, char* dest) const
{
for (; low != high; ++low, ++dest)
if (isascii(*low))
*dest = *low;
else
*dest = dfault;
return low;
}
#if defined(__EMSCRIPTEN__)
extern "C" const unsigned short ** __ctype_b_loc();
extern "C" const int ** __ctype_tolower_loc();
extern "C" const int ** __ctype_toupper_loc();
#endif
#ifdef _LIBCPP_PROVIDES_DEFAULT_RUNE_TABLE
const ctype<char>::mask*
ctype<char>::classic_table() noexcept
{
static _LIBCPP_CONSTEXPR const ctype<char>::mask builtin_table[table_size] = {
cntrl, cntrl,
cntrl, cntrl,
cntrl, cntrl,
cntrl, cntrl,
cntrl, cntrl | space | blank,
cntrl | space, cntrl | space,
cntrl | space, cntrl | space,
cntrl, cntrl,
cntrl, cntrl,
cntrl, cntrl,
cntrl, cntrl,
cntrl, cntrl,
cntrl, cntrl,
cntrl, cntrl,
cntrl, cntrl,
cntrl, cntrl,
space | blank | print, punct | print,
punct | print, punct | print,
punct | print, punct | print,
punct | print, punct | print,
punct | print, punct | print,
punct | print, punct | print,
punct | print, punct | print,
punct | print, punct | print,
digit | print | xdigit, digit | print | xdigit,
digit | print | xdigit, digit | print | xdigit,
digit | print | xdigit, digit | print | xdigit,
digit | print | xdigit, digit | print | xdigit,
digit | print | xdigit, digit | print | xdigit,
punct | print, punct | print,
punct | print, punct | print,
punct | print, punct | print,
punct | print, upper | xdigit | print | alpha,
upper | xdigit | print | alpha, upper | xdigit | print | alpha,
upper | xdigit | print | alpha, upper | xdigit | print | alpha,
upper | xdigit | print | alpha, upper | print | alpha,
upper | print | alpha, upper | print | alpha,
upper | print | alpha, upper | print | alpha,
upper | print | alpha, upper | print | alpha,
upper | print | alpha, upper | print | alpha,
upper | print | alpha, upper | print | alpha,
upper | print | alpha, upper | print | alpha,
upper | print | alpha, upper | print | alpha,
upper | print | alpha, upper | print | alpha,
upper | print | alpha, upper | print | alpha,
upper | print | alpha, punct | print,
punct | print, punct | print,
punct | print, punct | print,
punct | print, lower | xdigit | print | alpha,
lower | xdigit | print | alpha, lower | xdigit | print | alpha,
lower | xdigit | print | alpha, lower | xdigit | print | alpha,
lower | xdigit | print | alpha, lower | print | alpha,
lower | print | alpha, lower | print | alpha,
lower | print | alpha, lower | print | alpha,
lower | print | alpha, lower | print | alpha,
lower | print | alpha, lower | print | alpha,
lower | print | alpha, lower | print | alpha,
lower | print | alpha, lower | print | alpha,
lower | print | alpha, lower | print | alpha,
lower | print | alpha, lower | print | alpha,
lower | print | alpha, lower | print | alpha,
lower | print | alpha, punct | print,
punct | print, punct | print,
punct | print, cntrl,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
};
return builtin_table;
}
#else
const ctype<char>::mask*
ctype<char>::classic_table() noexcept
{
#if defined(__APPLE__) || defined(__FreeBSD__)
return _DefaultRuneLocale.__runetype;
#elif defined(__NetBSD__)
return _C_ctype_tab_ + 1;
#elif defined(__GLIBC__)
return _LIBCPP_GET_C_LOCALE->__ctype_b;
#elif defined(__sun__)
return __ctype_mask;
#elif defined(_LIBCPP_MSVCRT) || defined(__MINGW32__)
return __pctype_func();
#elif defined(__EMSCRIPTEN__)
return *__ctype_b_loc();
#elif defined(_NEWLIB_VERSION)
// Newlib has a 257-entry table in ctype_.c, where (char)0 starts at [1].
return _ctype_ + 1;
#elif defined(_AIX)
return (const unsigned int *)__lc_ctype_ptr->obj->mask;
#else
// Platform not supported: abort so the person doing the port knows what to
// fix
# warning ctype<char>::classic_table() is not implemented
printf("ctype<char>::classic_table() is not implemented\n");
abort();
return NULL;
#endif
}
#endif
#if defined(__GLIBC__)
const int*
ctype<char>::__classic_lower_table() noexcept
{
return _LIBCPP_GET_C_LOCALE->__ctype_tolower;
}
const int*
ctype<char>::__classic_upper_table() noexcept
{
return _LIBCPP_GET_C_LOCALE->__ctype_toupper;
}
#elif defined(__NetBSD__)
const short*
ctype<char>::__classic_lower_table() noexcept
{
return _C_tolower_tab_ + 1;
}
const short*
ctype<char>::__classic_upper_table() noexcept
{
return _C_toupper_tab_ + 1;
}
#elif defined(__EMSCRIPTEN__)
const int*
ctype<char>::__classic_lower_table() noexcept
{
return *__ctype_tolower_loc();
}
const int*
ctype<char>::__classic_upper_table() noexcept
{
return *__ctype_toupper_loc();
}
#endif // __GLIBC__ || __NETBSD__ || __EMSCRIPTEN__
// template <> class ctype_byname<char>
ctype_byname<char>::ctype_byname(const char* name, size_t refs)
: ctype<char>(0, false, refs),
__l(newlocale(LC_ALL_MASK, name, 0))
{
if (__l == 0)
__throw_runtime_error("ctype_byname<char>::ctype_byname"
" failed to construct for " + string(name));
}
ctype_byname<char>::ctype_byname(const string& name, size_t refs)
: ctype<char>(0, false, refs),
__l(newlocale(LC_ALL_MASK, name.c_str(), 0))
{
if (__l == 0)
__throw_runtime_error("ctype_byname<char>::ctype_byname"
" failed to construct for " + name);
}
ctype_byname<char>::~ctype_byname()
{
freelocale(__l);
}
char
ctype_byname<char>::do_toupper(char_type c) const
{
return static_cast<char>(toupper_l(static_cast<unsigned char>(c), __l));
}
const char*
ctype_byname<char>::do_toupper(char_type* low, const char_type* high) const
{
for (; low != high; ++low)
*low = static_cast<char>(toupper_l(static_cast<unsigned char>(*low), __l));
return low;
}
char
ctype_byname<char>::do_tolower(char_type c) const
{
return static_cast<char>(tolower_l(static_cast<unsigned char>(c), __l));
}
const char*
ctype_byname<char>::do_tolower(char_type* low, const char_type* high) const
{
for (; low != high; ++low)
*low = static_cast<char>(tolower_l(static_cast<unsigned char>(*low), __l));
return low;
}
// template <> class ctype_byname<wchar_t>
#ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS
ctype_byname<wchar_t>::ctype_byname(const char* name, size_t refs)
: ctype<wchar_t>(refs),
__l(newlocale(LC_ALL_MASK, name, 0))
{
if (__l == 0)
__throw_runtime_error("ctype_byname<wchar_t>::ctype_byname"
" failed to construct for " + string(name));
}
ctype_byname<wchar_t>::ctype_byname(const string& name, size_t refs)
: ctype<wchar_t>(refs),
__l(newlocale(LC_ALL_MASK, name.c_str(), 0))
{
if (__l == 0)
__throw_runtime_error("ctype_byname<wchar_t>::ctype_byname"
" failed to construct for " + name);
}
ctype_byname<wchar_t>::~ctype_byname()
{
freelocale(__l);
}
bool
ctype_byname<wchar_t>::do_is(mask m, char_type c) const
{
#ifdef _LIBCPP_WCTYPE_IS_MASK
return static_cast<bool>(iswctype_l(c, m, __l));
#else
bool result = false;
wint_t ch = static_cast<wint_t>(c);
if ((m & space) == space) result |= (iswspace_l(ch, __l) != 0);
if ((m & print) == print) result |= (iswprint_l(ch, __l) != 0);
if ((m & cntrl) == cntrl) result |= (iswcntrl_l(ch, __l) != 0);
if ((m & upper) == upper) result |= (iswupper_l(ch, __l) != 0);
if ((m & lower) == lower) result |= (iswlower_l(ch, __l) != 0);
if ((m & alpha) == alpha) result |= (iswalpha_l(ch, __l) != 0);
if ((m & digit) == digit) result |= (iswdigit_l(ch, __l) != 0);
if ((m & punct) == punct) result |= (iswpunct_l(ch, __l) != 0);
if ((m & xdigit) == xdigit) result |= (iswxdigit_l(ch, __l) != 0);
if ((m & blank) == blank) result |= (iswblank_l(ch, __l) != 0);
return result;
#endif
}
const wchar_t*
ctype_byname<wchar_t>::do_is(const char_type* low, const char_type* high, mask* vec) const
{
for (; low != high; ++low, ++vec)
{
if (isascii(*low))
*vec = static_cast<mask>(ctype<char>::classic_table()[*low]);
else
{
*vec = 0;
wint_t ch = static_cast<wint_t>(*low);
if (iswspace_l(ch, __l))
*vec |= space;
#ifndef _LIBCPP_CTYPE_MASK_IS_COMPOSITE_PRINT
if (iswprint_l(ch, __l))
*vec |= print;
#endif
if (iswcntrl_l(ch, __l))
*vec |= cntrl;
if (iswupper_l(ch, __l))
*vec |= upper;
if (iswlower_l(ch, __l))
*vec |= lower;
#ifndef _LIBCPP_CTYPE_MASK_IS_COMPOSITE_ALPHA
if (iswalpha_l(ch, __l))
*vec |= alpha;
#endif
if (iswdigit_l(ch, __l))
*vec |= digit;
if (iswpunct_l(ch, __l))
*vec |= punct;
#ifndef _LIBCPP_CTYPE_MASK_IS_COMPOSITE_XDIGIT
if (iswxdigit_l(ch, __l))
*vec |= xdigit;
#endif
#if !defined(__sun__)
if (iswblank_l(ch, __l))
*vec |= blank;
#endif
}
}
return low;
}
const wchar_t*
ctype_byname<wchar_t>::do_scan_is(mask m, const char_type* low, const char_type* high) const
{
for (; low != high; ++low)
{
#ifdef _LIBCPP_WCTYPE_IS_MASK
if (iswctype_l(*low, m, __l))
break;
#else
wint_t ch = static_cast<wint_t>(*low);
if ((m & space) == space && iswspace_l(ch, __l)) break;
if ((m & print) == print && iswprint_l(ch, __l)) break;
if ((m & cntrl) == cntrl && iswcntrl_l(ch, __l)) break;
if ((m & upper) == upper && iswupper_l(ch, __l)) break;
if ((m & lower) == lower && iswlower_l(ch, __l)) break;
if ((m & alpha) == alpha && iswalpha_l(ch, __l)) break;
if ((m & digit) == digit && iswdigit_l(ch, __l)) break;
if ((m & punct) == punct && iswpunct_l(ch, __l)) break;
if ((m & xdigit) == xdigit && iswxdigit_l(ch, __l)) break;
if ((m & blank) == blank && iswblank_l(ch, __l)) break;
#endif
}
return low;
}
const wchar_t*
ctype_byname<wchar_t>::do_scan_not(mask m, const char_type* low, const char_type* high) const
{
for (; low != high; ++low)
{
#ifdef _LIBCPP_WCTYPE_IS_MASK
if (!iswctype_l(*low, m, __l))
break;
#else
wint_t ch = static_cast<wint_t>(*low);
if ((m & space) == space && iswspace_l(ch, __l)) continue;
if ((m & print) == print && iswprint_l(ch, __l)) continue;
if ((m & cntrl) == cntrl && iswcntrl_l(ch, __l)) continue;
if ((m & upper) == upper && iswupper_l(ch, __l)) continue;
if ((m & lower) == lower && iswlower_l(ch, __l)) continue;
if ((m & alpha) == alpha && iswalpha_l(ch, __l)) continue;
if ((m & digit) == digit && iswdigit_l(ch, __l)) continue;
if ((m & punct) == punct && iswpunct_l(ch, __l)) continue;
if ((m & xdigit) == xdigit && iswxdigit_l(ch, __l)) continue;
if ((m & blank) == blank && iswblank_l(ch, __l)) continue;
break;
#endif
}
return low;
}
wchar_t
ctype_byname<wchar_t>::do_toupper(char_type c) const
{
return towupper_l(c, __l);
}
const wchar_t*
ctype_byname<wchar_t>::do_toupper(char_type* low, const char_type* high) const
{
for (; low != high; ++low)
*low = towupper_l(*low, __l);
return low;
}
wchar_t
ctype_byname<wchar_t>::do_tolower(char_type c) const
{
return towlower_l(c, __l);
}
const wchar_t*
ctype_byname<wchar_t>::do_tolower(char_type* low, const char_type* high) const
{
for (; low != high; ++low)
*low = towlower_l(*low, __l);
return low;
}
wchar_t
ctype_byname<wchar_t>::do_widen(char c) const
{
return __libcpp_btowc_l(c, __l);
}
const char*
ctype_byname<wchar_t>::do_widen(const char* low, const char* high, char_type* dest) const
{
for (; low != high; ++low, ++dest)
*dest = __libcpp_btowc_l(*low, __l);
return low;
}
char
ctype_byname<wchar_t>::do_narrow(char_type c, char dfault) const
{
int r = __libcpp_wctob_l(c, __l);
return r != static_cast<int>(WEOF) ? static_cast<char>(r) : dfault;
}
const wchar_t*
ctype_byname<wchar_t>::do_narrow(const char_type* low, const char_type* high, char dfault, char* dest) const
{
for (; low != high; ++low, ++dest)
{
int r = __libcpp_wctob_l(*low, __l);
*dest = r != static_cast<int>(WEOF) ? static_cast<char>(r) : dfault;
}
return low;
}
#endif // _LIBCPP_HAS_NO_WIDE_CHARACTERS
// template <> class codecvt<char, char, mbstate_t>
locale::id codecvt<char, char, mbstate_t>::id;
codecvt<char, char, mbstate_t>::~codecvt()
{
}
codecvt<char, char, mbstate_t>::result
codecvt<char, char, mbstate_t>::do_out(state_type&,
const intern_type* frm, const intern_type*, const intern_type*& frm_nxt,
extern_type* to, extern_type*, extern_type*& to_nxt) const
{
frm_nxt = frm;
to_nxt = to;
return noconv;
}
codecvt<char, char, mbstate_t>::result
codecvt<char, char, mbstate_t>::do_in(state_type&,
const extern_type* frm, const extern_type*, const extern_type*& frm_nxt,
intern_type* to, intern_type*, intern_type*& to_nxt) const
{
frm_nxt = frm;
to_nxt = to;
return noconv;
}
codecvt<char, char, mbstate_t>::result
codecvt<char, char, mbstate_t>::do_unshift(state_type&,
extern_type* to, extern_type*, extern_type*& to_nxt) const
{
to_nxt = to;
return noconv;
}
int
codecvt<char, char, mbstate_t>::do_encoding() const noexcept
{
return 1;
}
bool
codecvt<char, char, mbstate_t>::do_always_noconv() const noexcept
{
return true;
}
int
codecvt<char, char, mbstate_t>::do_length(state_type&,
const extern_type* frm, const extern_type* end, size_t mx) const
{
return static_cast<int>(min<size_t>(mx, static_cast<size_t>(end-frm)));
}
int
codecvt<char, char, mbstate_t>::do_max_length() const noexcept
{
return 1;
}
// template <> class codecvt<wchar_t, char, mbstate_t>
#ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS
locale::id codecvt<wchar_t, char, mbstate_t>::id;
codecvt<wchar_t, char, mbstate_t>::codecvt(size_t refs)
: locale::facet(refs),
__l(_LIBCPP_GET_C_LOCALE)
{
}
codecvt<wchar_t, char, mbstate_t>::codecvt(const char* nm, size_t refs)
: locale::facet(refs),
__l(newlocale(LC_ALL_MASK, nm, 0))
{
if (__l == 0)
__throw_runtime_error("codecvt_byname<wchar_t, char, mbstate_t>::codecvt_byname"
" failed to construct for " + string(nm));
}
codecvt<wchar_t, char, mbstate_t>::~codecvt()
{
if (__l != _LIBCPP_GET_C_LOCALE)
freelocale(__l);
}
codecvt<wchar_t, char, mbstate_t>::result
codecvt<wchar_t, char, mbstate_t>::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
{
// look for first internal null in frm
const intern_type* fend = frm;
for (; fend != frm_end; ++fend)
if (*fend == 0)
break;
// loop over all null-terminated sequences in frm
to_nxt = to;
for (frm_nxt = frm; frm != frm_end && to != to_end; frm = frm_nxt, to = to_nxt)
{
// save state in case it is needed to recover to_nxt on error
mbstate_t save_state = st;
size_t n = __libcpp_wcsnrtombs_l(to, &frm_nxt, static_cast<size_t>(fend-frm),
static_cast<size_t>(to_end-to), &st, __l);
if (n == size_t(-1))
{
// need to recover to_nxt
for (to_nxt = to; frm != frm_nxt; ++frm)
{
n = __libcpp_wcrtomb_l(to_nxt, *frm, &save_state, __l);
if (n == size_t(-1))
break;
to_nxt += n;
}
frm_nxt = frm;
return error;
}
if (n == 0)
return partial;
to_nxt += n;
if (to_nxt == to_end)
break;
if (fend != frm_end) // set up next null terminated sequence
{
// Try to write the terminating null
extern_type tmp[MB_LEN_MAX];
n = __libcpp_wcrtomb_l(tmp, intern_type(), &st, __l);
if (n == size_t(-1)) // on error
return error;
if (n > static_cast<size_t>(to_end-to_nxt)) // is there room?
return partial;
for (extern_type* p = tmp; n; --n) // write it
*to_nxt++ = *p++;
++frm_nxt;
// look for next null in frm
for (fend = frm_nxt; fend != frm_end; ++fend)
if (*fend == 0)
break;
}
}
return frm_nxt == frm_end ? ok : partial;
}
codecvt<wchar_t, char, mbstate_t>::result
codecvt<wchar_t, char, mbstate_t>::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
{
// look for first internal null in frm
const extern_type* fend = frm;
for (; fend != frm_end; ++fend)
if (*fend == 0)
break;
// loop over all null-terminated sequences in frm
to_nxt = to;
for (frm_nxt = frm; frm != frm_end && to != to_end; frm = frm_nxt, to = to_nxt)
{
// save state in case it is needed to recover to_nxt on error
mbstate_t save_state = st;
size_t n = __libcpp_mbsnrtowcs_l(to, &frm_nxt, static_cast<size_t>(fend-frm),
static_cast<size_t>(to_end-to), &st, __l);
if (n == size_t(-1))
{
// need to recover to_nxt
for (to_nxt = to; frm != frm_nxt; ++to_nxt)
{
n = __libcpp_mbrtowc_l(to_nxt, frm, static_cast<size_t>(fend-frm),
&save_state, __l);
switch (n)
{
case 0:
++frm;
break;
case size_t(-1):
frm_nxt = frm;
return error;
case size_t(-2):
frm_nxt = frm;
return partial;
default:
frm += n;
break;
}
}
frm_nxt = frm;
return frm_nxt == frm_end ? ok : partial;
}
if (n == size_t(-1))
return error;
to_nxt += n;
if (to_nxt == to_end)
break;
if (fend != frm_end) // set up next null terminated sequence
{
// Try to write the terminating null
n = __libcpp_mbrtowc_l(to_nxt, frm_nxt, 1, &st, __l);
if (n != 0) // on error
return error;
++to_nxt;
++frm_nxt;
// look for next null in frm
for (fend = frm_nxt; fend != frm_end; ++fend)
if (*fend == 0)
break;
}
}
return frm_nxt == frm_end ? ok : partial;
}
codecvt<wchar_t, char, mbstate_t>::result
codecvt<wchar_t, char, mbstate_t>::do_unshift(state_type& st,
extern_type* to, extern_type* to_end, extern_type*& to_nxt) const
{
to_nxt = to;
extern_type tmp[MB_LEN_MAX];
size_t n = __libcpp_wcrtomb_l(tmp, intern_type(), &st, __l);
if (n == size_t(-1) || n == 0) // on error
return error;
--n;
if (n > static_cast<size_t>(to_end-to_nxt)) // is there room?
return partial;
for (extern_type* p = tmp; n; --n) // write it
*to_nxt++ = *p++;
return ok;
}
int
codecvt<wchar_t, char, mbstate_t>::do_encoding() const noexcept
{
if (__libcpp_mbtowc_l(nullptr, nullptr, MB_LEN_MAX, __l) != 0)
return -1;
// stateless encoding
if (__l == 0 || __libcpp_mb_cur_max_l(__l) == 1) // there are no known constant length encodings
return 1; // which take more than 1 char to form a wchar_t
return 0;
}
bool
codecvt<wchar_t, char, mbstate_t>::do_always_noconv() const noexcept
{
return false;
}
int
codecvt<wchar_t, char, mbstate_t>::do_length(state_type& st,
const extern_type* frm, const extern_type* frm_end, size_t mx) const
{
int nbytes = 0;
for (size_t nwchar_t = 0; nwchar_t < mx && frm != frm_end; ++nwchar_t)
{
size_t n = __libcpp_mbrlen_l(frm, static_cast<size_t>(frm_end-frm), &st, __l);
switch (n)
{
case 0:
++nbytes;
++frm;
break;
case size_t(-1):
case size_t(-2):
return nbytes;
default:
nbytes += n;
frm += n;
break;
}
}
return nbytes;
}
int
codecvt<wchar_t, char, mbstate_t>::do_max_length() const noexcept
{
return __l == 0 ? 1 : static_cast<int>(__libcpp_mb_cur_max_l(__l));
}
#endif // _LIBCPP_HAS_NO_WIDE_CHARACTERS
// Valid UTF ranges
// UTF-32 UTF-16 UTF-8 # of code points
// first second first second third fourth
// 000000 - 00007F 0000 - 007F 00 - 7F 127
// 000080 - 0007FF 0080 - 07FF C2 - DF, 80 - BF 1920
// 000800 - 000FFF 0800 - 0FFF E0 - E0, A0 - BF, 80 - BF 2048
// 001000 - 00CFFF 1000 - CFFF E1 - EC, 80 - BF, 80 - BF 49152
// 00D000 - 00D7FF D000 - D7FF ED - ED, 80 - 9F, 80 - BF 2048
// 00D800 - 00DFFF invalid
// 00E000 - 00FFFF E000 - FFFF EE - EF, 80 - BF, 80 - BF 8192
// 010000 - 03FFFF D800 - D8BF, DC00 - DFFF F0 - F0, 90 - BF, 80 - BF, 80 - BF 196608
// 040000 - 0FFFFF D8C0 - DBBF, DC00 - DFFF F1 - F3, 80 - BF, 80 - BF, 80 - BF 786432
// 100000 - 10FFFF DBC0 - DBFF, DC00 - DFFF F4 - F4, 80 - 8F, 80 - BF, 80 - BF 65536
static
codecvt_base::result
utf16_to_utf8(const uint16_t* frm, const uint16_t* frm_end, const uint16_t*& frm_nxt,
uint8_t* to, uint8_t* to_end, uint8_t*& to_nxt,
unsigned long Maxcode = 0x10FFFF, codecvt_mode mode = codecvt_mode(0))
{
frm_nxt = frm;
to_nxt = to;
if (mode & generate_header)
{
if (to_end-to_nxt < 3)
return codecvt_base::partial;
*to_nxt++ = static_cast<uint8_t>(0xEF);
*to_nxt++ = static_cast<uint8_t>(0xBB);
*to_nxt++ = static_cast<uint8_t>(0xBF);
}
for (; frm_nxt < frm_end; ++frm_nxt)
{
uint16_t wc1 = *frm_nxt;
if (wc1 > Maxcode)
return codecvt_base::error;
if (wc1 < 0x0080)
{
if (to_end-to_nxt < 1)
return codecvt_base::partial;
*to_nxt++ = static_cast<uint8_t>(wc1);
}
else if (wc1 < 0x0800)
{
if (to_end-to_nxt < 2)
return codecvt_base::partial;
*to_nxt++ = static_cast<uint8_t>(0xC0 | (wc1 >> 6));
*to_nxt++ = static_cast<uint8_t>(0x80 | (wc1 & 0x03F));
}
else if (wc1 < 0xD800)
{
if (to_end-to_nxt < 3)
return codecvt_base::partial;
*to_nxt++ = static_cast<uint8_t>(0xE0 | (wc1 >> 12));
*to_nxt++ = static_cast<uint8_t>(0x80 | ((wc1 & 0x0FC0) >> 6));
*to_nxt++ = static_cast<uint8_t>(0x80 | (wc1 & 0x003F));
}
else if (wc1 < 0xDC00)
{
if (frm_end-frm_nxt < 2)
return codecvt_base::partial;
uint16_t wc2 = frm_nxt[1];
if ((wc2 & 0xFC00) != 0xDC00)
return codecvt_base::error;
if (to_end-to_nxt < 4)
return codecvt_base::partial;
if (((((wc1 & 0x03C0UL) >> 6) + 1) << 16) +
((wc1 & 0x003FUL) << 10) + (wc2 & 0x03FF) > Maxcode)
return codecvt_base::error;
++frm_nxt;
uint8_t z = ((wc1 & 0x03C0) >> 6) + 1;
*to_nxt++ = static_cast<uint8_t>(0xF0 | (z >> 2));
*to_nxt++ = static_cast<uint8_t>(0x80 | ((z & 0x03) << 4) | ((wc1 & 0x003C) >> 2));
*to_nxt++ = static_cast<uint8_t>(0x80 | ((wc1 & 0x0003) << 4) | ((wc2 & 0x03C0) >> 6));
*to_nxt++ = static_cast<uint8_t>(0x80 | (wc2 & 0x003F));
}
else if (wc1 < 0xE000)
{
return codecvt_base::error;
}
else
{
if (to_end-to_nxt < 3)
return codecvt_base::partial;
*to_nxt++ = static_cast<uint8_t>(0xE0 | (wc1 >> 12));
*to_nxt++ = static_cast<uint8_t>(0x80 | ((wc1 & 0x0FC0) >> 6));
*to_nxt++ = static_cast<uint8_t>(0x80 | (wc1 & 0x003F));
}
}
return codecvt_base::ok;
}
static
codecvt_base::result
utf16_to_utf8(const uint32_t* frm, const uint32_t* frm_end, const uint32_t*& frm_nxt,
uint8_t* to, uint8_t* to_end, uint8_t*& to_nxt,
unsigned long Maxcode = 0x10FFFF, codecvt_mode mode = codecvt_mode(0))
{
frm_nxt = frm;
to_nxt = to;
if (mode & generate_header)
{
if (to_end-to_nxt < 3)
return codecvt_base::partial;
*to_nxt++ = static_cast<uint8_t>(0xEF);
*to_nxt++ = static_cast<uint8_t>(0xBB);
*to_nxt++ = static_cast<uint8_t>(0xBF);
}
for (; frm_nxt < frm_end; ++frm_nxt)
{
uint16_t wc1 = static_cast<uint16_t>(*frm_nxt);
if (wc1 > Maxcode)
return codecvt_base::error;
if (wc1 < 0x0080)
{
if (to_end-to_nxt < 1)
return codecvt_base::partial;
*to_nxt++ = static_cast<uint8_t>(wc1);
}
else if (wc1 < 0x0800)
{
if (to_end-to_nxt < 2)
return codecvt_base::partial;
*to_nxt++ = static_cast<uint8_t>(0xC0 | (wc1 >> 6));
*to_nxt++ = static_cast<uint8_t>(0x80 | (wc1 & 0x03F));
}
else if (wc1 < 0xD800)
{
if (to_end-to_nxt < 3)
return codecvt_base::partial;
*to_nxt++ = static_cast<uint8_t>(0xE0 | (wc1 >> 12));
*to_nxt++ = static_cast<uint8_t>(0x80 | ((wc1 & 0x0FC0) >> 6));
*to_nxt++ = static_cast<uint8_t>(0x80 | (wc1 & 0x003F));
}
else if (wc1 < 0xDC00)
{
if (frm_end-frm_nxt < 2)
return codecvt_base::partial;
uint16_t wc2 = static_cast<uint16_t>(frm_nxt[1]);
if ((wc2 & 0xFC00) != 0xDC00)
return codecvt_base::error;
if (to_end-to_nxt < 4)
return codecvt_base::partial;
if (((((wc1 & 0x03C0UL) >> 6) + 1) << 16) +
((wc1 & 0x003FUL) << 10) + (wc2 & 0x03FF) > Maxcode)
return codecvt_base::error;
++frm_nxt;
uint8_t z = ((wc1 & 0x03C0) >> 6) + 1;
*to_nxt++ = static_cast<uint8_t>(0xF0 | (z >> 2));
*to_nxt++ = static_cast<uint8_t>(0x80 | ((z & 0x03) << 4) | ((wc1 & 0x003C) >> 2));
*to_nxt++ = static_cast<uint8_t>(0x80 | ((wc1 & 0x0003) << 4) | ((wc2 & 0x03C0) >> 6));
*to_nxt++ = static_cast<uint8_t>(0x80 | (wc2 & 0x003F));
}
else if (wc1 < 0xE000)
{
return codecvt_base::error;
}
else
{
if (to_end-to_nxt < 3)
return codecvt_base::partial;
*to_nxt++ = static_cast<uint8_t>(0xE0 | (wc1 >> 12));
*to_nxt++ = static_cast<uint8_t>(0x80 | ((wc1 & 0x0FC0) >> 6));
*to_nxt++ = static_cast<uint8_t>(0x80 | (wc1 & 0x003F));
}
}
return codecvt_base::ok;
}
static
codecvt_base::result
utf8_to_utf16(const uint8_t* frm, const uint8_t* frm_end, const uint8_t*& frm_nxt,
uint16_t* to, uint16_t* to_end, uint16_t*& to_nxt,
unsigned long Maxcode = 0x10FFFF, codecvt_mode mode = codecvt_mode(0))
{
frm_nxt = frm;
to_nxt = to;
if (mode & consume_header)
{
if (frm_end-frm_nxt >= 3 && frm_nxt[0] == 0xEF && frm_nxt[1] == 0xBB &&
frm_nxt[2] == 0xBF)
frm_nxt += 3;
}
for (; frm_nxt < frm_end && to_nxt < to_end; ++to_nxt)
{
uint8_t c1 = *frm_nxt;
if (c1 > Maxcode)
return codecvt_base::error;
if (c1 < 0x80)
{
*to_nxt = static_cast<uint16_t>(c1);
++frm_nxt;
}
else if (c1 < 0xC2)
{
return codecvt_base::error;
}
else if (c1 < 0xE0)
{
if (frm_end-frm_nxt < 2)
return codecvt_base::partial;
uint8_t c2 = frm_nxt[1];
if ((c2 & 0xC0) != 0x80)
return codecvt_base::error;
uint16_t t = static_cast<uint16_t>(((c1 & 0x1F) << 6) | (c2 & 0x3F));
if (t > Maxcode)
return codecvt_base::error;
*to_nxt = t;
frm_nxt += 2;
}
else if (c1 < 0xF0)
{
if (frm_end-frm_nxt < 3)
return codecvt_base::partial;
uint8_t c2 = frm_nxt[1];
uint8_t c3 = frm_nxt[2];
switch (c1)
{
case 0xE0:
if ((c2 & 0xE0) != 0xA0)
return codecvt_base::error;
break;
case 0xED:
if ((c2 & 0xE0) != 0x80)
return codecvt_base::error;
break;
default:
if ((c2 & 0xC0) != 0x80)
return codecvt_base::error;
break;
}
if ((c3 & 0xC0) != 0x80)
return codecvt_base::error;
uint16_t t = static_cast<uint16_t>(((c1 & 0x0F) << 12)
| ((c2 & 0x3F) << 6)
| (c3 & 0x3F));
if (t > Maxcode)
return codecvt_base::error;
*to_nxt = t;
frm_nxt += 3;
}
else if (c1 < 0xF5)
{
if (frm_end-frm_nxt < 4)
return codecvt_base::partial;
uint8_t c2 = frm_nxt[1];
uint8_t c3 = frm_nxt[2];
uint8_t c4 = frm_nxt[3];
switch (c1)
{
case 0xF0:
if (!(0x90 <= c2 && c2 <= 0xBF))
return codecvt_base::error;
break;
case 0xF4:
if ((c2 & 0xF0) != 0x80)
return codecvt_base::error;
break;
default:
if ((c2 & 0xC0) != 0x80)
return codecvt_base::error;
break;
}
if ((c3 & 0xC0) != 0x80 || (c4 & 0xC0) != 0x80)
return codecvt_base::error;
if (to_end-to_nxt < 2)
return codecvt_base::partial;
if ((((c1 & 7UL) << 18) +
((c2 & 0x3FUL) << 12) +
((c3 & 0x3FUL) << 6) + (c4 & 0x3F)) > Maxcode)
return codecvt_base::error;
*to_nxt = static_cast<uint16_t>(
0xD800
| (((((c1 & 0x07) << 2) | ((c2 & 0x30) >> 4)) - 1) << 6)
| ((c2 & 0x0F) << 2)
| ((c3 & 0x30) >> 4));
*++to_nxt = static_cast<uint16_t>(
0xDC00
| ((c3 & 0x0F) << 6)
| (c4 & 0x3F));
frm_nxt += 4;
}
else
{
return codecvt_base::error;
}
}
return frm_nxt < frm_end ? codecvt_base::partial : codecvt_base::ok;
}
static
codecvt_base::result
utf8_to_utf16(const uint8_t* frm, const uint8_t* frm_end, const uint8_t*& frm_nxt,
uint32_t* to, uint32_t* to_end, uint32_t*& to_nxt,
unsigned long Maxcode = 0x10FFFF, codecvt_mode mode = codecvt_mode(0))
{
frm_nxt = frm;
to_nxt = to;
if (mode & consume_header)
{
if (frm_end-frm_nxt >= 3 && frm_nxt[0] == 0xEF && frm_nxt[1] == 0xBB &&
frm_nxt[2] == 0xBF)
frm_nxt += 3;
}
for (; frm_nxt < frm_end && to_nxt < to_end; ++to_nxt)
{
uint8_t c1 = *frm_nxt;
if (c1 > Maxcode)
return codecvt_base::error;
if (c1 < 0x80)
{
*to_nxt = static_cast<uint32_t>(c1);
++frm_nxt;
}
else if (c1 < 0xC2)
{
return codecvt_base::error;
}
else if (c1 < 0xE0)
{
if (frm_end-frm_nxt < 2)
return codecvt_base::partial;
uint8_t c2 = frm_nxt[1];
if ((c2 & 0xC0) != 0x80)
return codecvt_base::error;
uint16_t t = static_cast<uint16_t>(((c1 & 0x1F) << 6) | (c2 & 0x3F));
if (t > Maxcode)
return codecvt_base::error;
*to_nxt = static_cast<uint32_t>(t);
frm_nxt += 2;
}
else if (c1 < 0xF0)
{
if (frm_end-frm_nxt < 3)
return codecvt_base::partial;
uint8_t c2 = frm_nxt[1];
uint8_t c3 = frm_nxt[2];
switch (c1)
{
case 0xE0:
if ((c2 & 0xE0) != 0xA0)
return codecvt_base::error;
break;
case 0xED:
if ((c2 & 0xE0) != 0x80)
return codecvt_base::error;
break;
default:
if ((c2 & 0xC0) != 0x80)
return codecvt_base::error;
break;
}
if ((c3 & 0xC0) != 0x80)
return codecvt_base::error;
uint16_t t = static_cast<uint16_t>(((c1 & 0x0F) << 12)
| ((c2 & 0x3F) << 6)
| (c3 & 0x3F));
if (t > Maxcode)
return codecvt_base::error;
*to_nxt = static_cast<uint32_t>(t);
frm_nxt += 3;
}
else if (c1 < 0xF5)
{
if (frm_end-frm_nxt < 4)
return codecvt_base::partial;
uint8_t c2 = frm_nxt[1];
uint8_t c3 = frm_nxt[2];
uint8_t c4 = frm_nxt[3];
switch (c1)
{
case 0xF0:
if (!(0x90 <= c2 && c2 <= 0xBF))
return codecvt_base::error;
break;
case 0xF4:
if ((c2 & 0xF0) != 0x80)
return codecvt_base::error;
break;
default:
if ((c2 & 0xC0) != 0x80)
return codecvt_base::error;
break;
}
if ((c3 & 0xC0) != 0x80 || (c4 & 0xC0) != 0x80)
return codecvt_base::error;
if (to_end-to_nxt < 2)
return codecvt_base::partial;
if ((((c1 & 7UL) << 18) +
((c2 & 0x3FUL) << 12) +
((c3 & 0x3FUL) << 6) + (c4 & 0x3F)) > Maxcode)
return codecvt_base::error;
*to_nxt = static_cast<uint32_t>(
0xD800
| (((((c1 & 0x07) << 2) | ((c2 & 0x30) >> 4)) - 1) << 6)
| ((c2 & 0x0F) << 2)
| ((c3 & 0x30) >> 4));
*++to_nxt = static_cast<uint32_t>(
0xDC00
| ((c3 & 0x0F) << 6)
| (c4 & 0x3F));
frm_nxt += 4;
}
else
{
return codecvt_base::error;
}
}
return frm_nxt < frm_end ? codecvt_base::partial : codecvt_base::ok;
}
static
int
utf8_to_utf16_length(const uint8_t* frm, const uint8_t* frm_end,
size_t mx, unsigned long Maxcode = 0x10FFFF,
codecvt_mode mode = codecvt_mode(0))
{
const uint8_t* frm_nxt = frm;
if (mode & consume_header)
{
if (frm_end-frm_nxt >= 3 && frm_nxt[0] == 0xEF && frm_nxt[1] == 0xBB &&
frm_nxt[2] == 0xBF)
frm_nxt += 3;
}
for (size_t nchar16_t = 0; frm_nxt < frm_end && nchar16_t < mx; ++nchar16_t)
{
uint8_t c1 = *frm_nxt;
if (c1 > Maxcode)
break;
if (c1 < 0x80)
{
++frm_nxt;
}
else if (c1 < 0xC2)
{
break;
}
else if (c1 < 0xE0)
{
if ((frm_end-frm_nxt < 2) || (frm_nxt[1] & 0xC0) != 0x80)
break;
uint16_t t = static_cast<uint16_t>(((c1 & 0x1F) << 6) | (frm_nxt[1] & 0x3F));
if (t > Maxcode)
break;
frm_nxt += 2;
}
else if (c1 < 0xF0)
{
if (frm_end-frm_nxt < 3)
break;
uint8_t c2 = frm_nxt[1];
uint8_t c3 = frm_nxt[2];
switch (c1)
{
case 0xE0:
if ((c2 & 0xE0) != 0xA0)
return static_cast<int>(frm_nxt - frm);
break;
case 0xED:
if ((c2 & 0xE0) != 0x80)
return static_cast<int>(frm_nxt - frm);
break;
default:
if ((c2 & 0xC0) != 0x80)
return static_cast<int>(frm_nxt - frm);
break;
}
if ((c3 & 0xC0) != 0x80)
break;
if ((((c1 & 0x0Fu) << 12) | ((c2 & 0x3Fu) << 6) | (c3 & 0x3Fu)) > Maxcode)
break;
frm_nxt += 3;
}
else if (c1 < 0xF5)
{
if (frm_end-frm_nxt < 4 || mx-nchar16_t < 2)
break;
uint8_t c2 = frm_nxt[1];
uint8_t c3 = frm_nxt[2];
uint8_t c4 = frm_nxt[3];
switch (c1)
{
case 0xF0:
if (!(0x90 <= c2 && c2 <= 0xBF))
return static_cast<int>(frm_nxt - frm);
break;
case 0xF4:
if ((c2 & 0xF0) != 0x80)
return static_cast<int>(frm_nxt - frm);
break;
default:
if ((c2 & 0xC0) != 0x80)
return static_cast<int>(frm_nxt - frm);
break;
}
if ((c3 & 0xC0) != 0x80 || (c4 & 0xC0) != 0x80)
break;
if ((((c1 & 7UL) << 18) +
((c2 & 0x3FUL) << 12) +
((c3 & 0x3FUL) << 6) + (c4 & 0x3F)) > Maxcode)
break;
++nchar16_t;
frm_nxt += 4;
}
else
{
break;
}
}
return static_cast<int>(frm_nxt - frm);
}
static
codecvt_base::result
ucs4_to_utf8(const uint32_t* frm, const uint32_t* frm_end, const uint32_t*& frm_nxt,
uint8_t* to, uint8_t* to_end, uint8_t*& to_nxt,
unsigned long Maxcode = 0x10FFFF, codecvt_mode mode = codecvt_mode(0))
{
frm_nxt = frm;
to_nxt = to;
if (mode & generate_header)
{
if (to_end-to_nxt < 3)
return codecvt_base::partial;
*to_nxt++ = static_cast<uint8_t>(0xEF);
*to_nxt++ = static_cast<uint8_t>(0xBB);
*to_nxt++ = static_cast<uint8_t>(0xBF);
}
for (; frm_nxt < frm_end; ++frm_nxt)
{
uint32_t wc = *frm_nxt;
if ((wc & 0xFFFFF800) == 0x00D800 || wc > Maxcode)
return codecvt_base::error;
if (wc < 0x000080)
{
if (to_end-to_nxt < 1)
return codecvt_base::partial;
*to_nxt++ = static_cast<uint8_t>(wc);
}
else if (wc < 0x000800)
{
if (to_end-to_nxt < 2)
return codecvt_base::partial;
*to_nxt++ = static_cast<uint8_t>(0xC0 | (wc >> 6));
*to_nxt++ = static_cast<uint8_t>(0x80 | (wc & 0x03F));
}
else if (wc < 0x010000)
{
if (to_end-to_nxt < 3)
return codecvt_base::partial;
*to_nxt++ = static_cast<uint8_t>(0xE0 | (wc >> 12));
*to_nxt++ = static_cast<uint8_t>(0x80 | ((wc & 0x0FC0) >> 6));
*to_nxt++ = static_cast<uint8_t>(0x80 | (wc & 0x003F));
}
else // if (wc < 0x110000)
{
if (to_end-to_nxt < 4)
return codecvt_base::partial;
*to_nxt++ = static_cast<uint8_t>(0xF0 | (wc >> 18));
*to_nxt++ = static_cast<uint8_t>(0x80 | ((wc & 0x03F000) >> 12));
*to_nxt++ = static_cast<uint8_t>(0x80 | ((wc & 0x000FC0) >> 6));
*to_nxt++ = static_cast<uint8_t>(0x80 | (wc & 0x00003F));
}
}
return codecvt_base::ok;
}
static
codecvt_base::result
utf8_to_ucs4(const uint8_t* frm, const uint8_t* frm_end, const uint8_t*& frm_nxt,
uint32_t* to, uint32_t* to_end, uint32_t*& to_nxt,
unsigned long Maxcode = 0x10FFFF, codecvt_mode mode = codecvt_mode(0))
{
frm_nxt = frm;
to_nxt = to;
if (mode & consume_header)
{
if (frm_end-frm_nxt >= 3 && frm_nxt[0] == 0xEF && frm_nxt[1] == 0xBB &&
frm_nxt[2] == 0xBF)
frm_nxt += 3;
}
for (; frm_nxt < frm_end && to_nxt < to_end; ++to_nxt)
{
uint8_t c1 = static_cast<uint8_t>(*frm_nxt);
if (c1 < 0x80)
{
if (c1 > Maxcode)
return codecvt_base::error;
*to_nxt = static_cast<uint32_t>(c1);
++frm_nxt;
}
else if (c1 < 0xC2)
{
return codecvt_base::error;
}
else if (c1 < 0xE0)
{
if (frm_end-frm_nxt < 2)
return codecvt_base::partial;
uint8_t c2 = frm_nxt[1];
if ((c2 & 0xC0) != 0x80)
return codecvt_base::error;
uint32_t t = static_cast<uint32_t>(((c1 & 0x1F) << 6)
| (c2 & 0x3F));
if (t > Maxcode)
return codecvt_base::error;
*to_nxt = t;
frm_nxt += 2;
}
else if (c1 < 0xF0)
{
if (frm_end-frm_nxt < 3)
return codecvt_base::partial;
uint8_t c2 = frm_nxt[1];
uint8_t c3 = frm_nxt[2];
switch (c1)
{
case 0xE0:
if ((c2 & 0xE0) != 0xA0)
return codecvt_base::error;
break;
case 0xED:
if ((c2 & 0xE0) != 0x80)
return codecvt_base::error;
break;
default:
if ((c2 & 0xC0) != 0x80)
return codecvt_base::error;
break;
}
if ((c3 & 0xC0) != 0x80)
return codecvt_base::error;
uint32_t t = static_cast<uint32_t>(((c1 & 0x0F) << 12)
| ((c2 & 0x3F) << 6)
| (c3 & 0x3F));
if (t > Maxcode)
return codecvt_base::error;
*to_nxt = t;
frm_nxt += 3;
}
else if (c1 < 0xF5)
{
if (frm_end-frm_nxt < 4)
return codecvt_base::partial;
uint8_t c2 = frm_nxt[1];
uint8_t c3 = frm_nxt[2];
uint8_t c4 = frm_nxt[3];
switch (c1)
{
case 0xF0:
if (!(0x90 <= c2 && c2 <= 0xBF))
return codecvt_base::error;
break;
case 0xF4:
if ((c2 & 0xF0) != 0x80)
return codecvt_base::error;
break;
default:
if ((c2 & 0xC0) != 0x80)
return codecvt_base::error;
break;
}
if ((c3 & 0xC0) != 0x80 || (c4 & 0xC0) != 0x80)
return codecvt_base::error;
uint32_t t = static_cast<uint32_t>(((c1 & 0x07) << 18)
| ((c2 & 0x3F) << 12)
| ((c3 & 0x3F) << 6)
| (c4 & 0x3F));
if (t > Maxcode)
return codecvt_base::error;
*to_nxt = t;
frm_nxt += 4;
}
else
{
return codecvt_base::error;
}
}
return frm_nxt < frm_end ? codecvt_base::partial : codecvt_base::ok;
}
static
int
utf8_to_ucs4_length(const uint8_t* frm, const uint8_t* frm_end,
size_t mx, unsigned long Maxcode = 0x10FFFF,
codecvt_mode mode = codecvt_mode(0))
{
const uint8_t* frm_nxt = frm;
if (mode & consume_header)
{
if (frm_end-frm_nxt >= 3 && frm_nxt[0] == 0xEF && frm_nxt[1] == 0xBB &&
frm_nxt[2] == 0xBF)
frm_nxt += 3;
}
for (size_t nchar32_t = 0; frm_nxt < frm_end && nchar32_t < mx; ++nchar32_t)
{
uint8_t c1 = static_cast<uint8_t>(*frm_nxt);
if (c1 < 0x80)
{
if (c1 > Maxcode)
break;
++frm_nxt;
}
else if (c1 < 0xC2)
{
break;
}
else if (c1 < 0xE0)
{
if ((frm_end-frm_nxt < 2) || ((frm_nxt[1] & 0xC0) != 0x80))
break;
if ((((c1 & 0x1Fu) << 6) | (frm_nxt[1] & 0x3Fu)) > Maxcode)
break;
frm_nxt += 2;
}
else if (c1 < 0xF0)
{
if (frm_end-frm_nxt < 3)
break;
uint8_t c2 = frm_nxt[1];
uint8_t c3 = frm_nxt[2];
switch (c1)
{
case 0xE0:
if ((c2 & 0xE0) != 0xA0)
return static_cast<int>(frm_nxt - frm);
break;
case 0xED:
if ((c2 & 0xE0) != 0x80)
return static_cast<int>(frm_nxt - frm);
break;
default:
if ((c2 & 0xC0) != 0x80)
return static_cast<int>(frm_nxt - frm);
break;
}
if ((c3 & 0xC0) != 0x80)
break;
if ((((c1 & 0x0Fu) << 12) | ((c2 & 0x3Fu) << 6) | (c3 & 0x3Fu)) > Maxcode)
break;
frm_nxt += 3;
}
else if (c1 < 0xF5)
{
if (frm_end-frm_nxt < 4)
break;
uint8_t c2 = frm_nxt[1];
uint8_t c3 = frm_nxt[2];
uint8_t c4 = frm_nxt[3];
switch (c1)
{
case 0xF0:
if (!(0x90 <= c2 && c2 <= 0xBF))
return static_cast<int>(frm_nxt - frm);
break;
case 0xF4:
if ((c2 & 0xF0) != 0x80)
return static_cast<int>(frm_nxt - frm);
break;
default:
if ((c2 & 0xC0) != 0x80)
return static_cast<int>(frm_nxt - frm);
break;
}
if ((c3 & 0xC0) != 0x80 || (c4 & 0xC0) != 0x80)
break;
if ((((c1 & 0x07u) << 18) | ((c2 & 0x3Fu) << 12) |
((c3 & 0x3Fu) << 6) | (c4 & 0x3Fu)) > Maxcode)
break;
frm_nxt += 4;
}
else
{
break;
}
}
return static_cast<int>(frm_nxt - frm);
}
static
codecvt_base::result
ucs2_to_utf8(const uint16_t* frm, const uint16_t* frm_end, const uint16_t*& frm_nxt,
uint8_t* to, uint8_t* to_end, uint8_t*& to_nxt,
unsigned long Maxcode = 0x10FFFF, codecvt_mode mode = codecvt_mode(0))
{
frm_nxt = frm;
to_nxt = to;
if (mode & generate_header)
{
if (to_end-to_nxt < 3)
return codecvt_base::partial;
*to_nxt++ = static_cast<uint8_t>(0xEF);
*to_nxt++ = static_cast<uint8_t>(0xBB);
*to_nxt++ = static_cast<uint8_t>(0xBF);
}
for (; frm_nxt < frm_end; ++frm_nxt)
{
uint16_t wc = *frm_nxt;
if ((wc & 0xF800) == 0xD800 || wc > Maxcode)
return codecvt_base::error;
if (wc < 0x0080)
{
if (to_end-to_nxt < 1)
return codecvt_base::partial;
*to_nxt++ = static_cast<uint8_t>(wc);
}
else if (wc < 0x0800)
{
if (to_end-to_nxt < 2)
return codecvt_base::partial;
*to_nxt++ = static_cast<uint8_t>(0xC0 | (wc >> 6));
*to_nxt++ = static_cast<uint8_t>(0x80 | (wc & 0x03F));
}
else // if (wc <= 0xFFFF)
{
if (to_end-to_nxt < 3)
return codecvt_base::partial;
*to_nxt++ = static_cast<uint8_t>(0xE0 | (wc >> 12));
*to_nxt++ = static_cast<uint8_t>(0x80 | ((wc & 0x0FC0) >> 6));
*to_nxt++ = static_cast<uint8_t>(0x80 | (wc & 0x003F));
}
}
return codecvt_base::ok;
}
static
codecvt_base::result
utf8_to_ucs2(const uint8_t* frm, const uint8_t* frm_end, const uint8_t*& frm_nxt,
uint16_t* to, uint16_t* to_end, uint16_t*& to_nxt,
unsigned long Maxcode = 0x10FFFF, codecvt_mode mode = codecvt_mode(0))
{
frm_nxt = frm;
to_nxt = to;
if (mode & consume_header)
{
if (frm_end-frm_nxt >= 3 && frm_nxt[0] == 0xEF && frm_nxt[1] == 0xBB &&
frm_nxt[2] == 0xBF)
frm_nxt += 3;
}
for (; frm_nxt < frm_end && to_nxt < to_end; ++to_nxt)
{
uint8_t c1 = static_cast<uint8_t>(*frm_nxt);
if (c1 < 0x80)
{
if (c1 > Maxcode)
return codecvt_base::error;
*to_nxt = static_cast<uint16_t>(c1);
++frm_nxt;
}
else if (c1 < 0xC2)
{
return codecvt_base::error;
}
else if (c1 < 0xE0)
{
if (frm_end-frm_nxt < 2)
return codecvt_base::partial;
uint8_t c2 = frm_nxt[1];
if ((c2 & 0xC0) != 0x80)
return codecvt_base::error;
uint16_t t = static_cast<uint16_t>(((c1 & 0x1F) << 6)
| (c2 & 0x3F));
if (t > Maxcode)
return codecvt_base::error;
*to_nxt = t;
frm_nxt += 2;
}
else if (c1 < 0xF0)
{
if (frm_end-frm_nxt < 3)
return codecvt_base::partial;
uint8_t c2 = frm_nxt[1];
uint8_t c3 = frm_nxt[2];
switch (c1)
{
case 0xE0:
if ((c2 & 0xE0) != 0xA0)
return codecvt_base::error;
break;
case 0xED:
if ((c2 & 0xE0) != 0x80)
return codecvt_base::error;
break;
default:
if ((c2 & 0xC0) != 0x80)
return codecvt_base::error;
break;
}
if ((c3 & 0xC0) != 0x80)
return codecvt_base::error;
uint16_t t = static_cast<uint16_t>(((c1 & 0x0F) << 12)
| ((c2 & 0x3F) << 6)
| (c3 & 0x3F));
if (t > Maxcode)
return codecvt_base::error;
*to_nxt = t;
frm_nxt += 3;
}
else
{
return codecvt_base::error;
}
}
return frm_nxt < frm_end ? codecvt_base::partial : codecvt_base::ok;
}
static
int
utf8_to_ucs2_length(const uint8_t* frm, const uint8_t* frm_end,
size_t mx, unsigned long Maxcode = 0x10FFFF,
codecvt_mode mode = codecvt_mode(0))
{
const uint8_t* frm_nxt = frm;
if (mode & consume_header)
{
if (frm_end-frm_nxt >= 3 && frm_nxt[0] == 0xEF && frm_nxt[1] == 0xBB &&
frm_nxt[2] == 0xBF)
frm_nxt += 3;
}
for (size_t nchar32_t = 0; frm_nxt < frm_end && nchar32_t < mx; ++nchar32_t)
{
uint8_t c1 = static_cast<uint8_t>(*frm_nxt);
if (c1 < 0x80)
{
if (c1 > Maxcode)
break;
++frm_nxt;
}
else if (c1 < 0xC2)
{
break;
}
else if (c1 < 0xE0)
{
if ((frm_end-frm_nxt < 2) || ((frm_nxt[1] & 0xC0) != 0x80))
break;
if ((((c1 & 0x1Fu) << 6) | (frm_nxt[1] & 0x3Fu)) > Maxcode)
break;
frm_nxt += 2;
}
else if (c1 < 0xF0)
{
if (frm_end-frm_nxt < 3)
break;
uint8_t c2 = frm_nxt[1];
uint8_t c3 = frm_nxt[2];
switch (c1)
{
case 0xE0:
if ((c2 & 0xE0) != 0xA0)
return static_cast<int>(frm_nxt - frm);
break;
case 0xED:
if ((c2 & 0xE0) != 0x80)
return static_cast<int>(frm_nxt - frm);
break;
default:
if ((c2 & 0xC0) != 0x80)
return static_cast<int>(frm_nxt - frm);
break;
}
if ((c3 & 0xC0) != 0x80)
break;
if ((((c1 & 0x0Fu) << 12) | ((c2 & 0x3Fu) << 6) | (c3 & 0x3Fu)) > Maxcode)
break;
frm_nxt += 3;
}
else
{
break;
}
}
return static_cast<int>(frm_nxt - frm);
}
static
codecvt_base::result
ucs4_to_utf16be(const uint32_t* frm, const uint32_t* frm_end, const uint32_t*& frm_nxt,
uint8_t* to, uint8_t* to_end, uint8_t*& to_nxt,
unsigned long Maxcode = 0x10FFFF, codecvt_mode mode = codecvt_mode(0))
{
frm_nxt = frm;
to_nxt = to;
if (mode & generate_header)
{
if (to_end-to_nxt < 2)
return codecvt_base::partial;
*to_nxt++ = static_cast<uint8_t>(0xFE);
*to_nxt++ = static_cast<uint8_t>(0xFF);
}
for (; frm_nxt < frm_end; ++frm_nxt)
{
uint32_t wc = *frm_nxt;
if ((wc & 0xFFFFF800) == 0x00D800 || wc > Maxcode)
return codecvt_base::error;
if (wc < 0x010000)
{
if (to_end-to_nxt < 2)
return codecvt_base::partial;
*to_nxt++ = static_cast<uint8_t>(wc >> 8);
*to_nxt++ = static_cast<uint8_t>(wc);
}
else
{
if (to_end-to_nxt < 4)
return codecvt_base::partial;
uint16_t t = static_cast<uint16_t>(
0xD800
| ((((wc & 0x1F0000) >> 16) - 1) << 6)
| ((wc & 0x00FC00) >> 10));
*to_nxt++ = static_cast<uint8_t>(t >> 8);
*to_nxt++ = static_cast<uint8_t>(t);
t = static_cast<uint16_t>(0xDC00 | (wc & 0x03FF));
*to_nxt++ = static_cast<uint8_t>(t >> 8);
*to_nxt++ = static_cast<uint8_t>(t);
}
}
return codecvt_base::ok;
}
static
codecvt_base::result
utf16be_to_ucs4(const uint8_t* frm, const uint8_t* frm_end, const uint8_t*& frm_nxt,
uint32_t* to, uint32_t* to_end, uint32_t*& to_nxt,
unsigned long Maxcode = 0x10FFFF, codecvt_mode mode = codecvt_mode(0))
{
frm_nxt = frm;
to_nxt = to;
if (mode & consume_header)
{
if (frm_end-frm_nxt >= 2 && frm_nxt[0] == 0xFE && frm_nxt[1] == 0xFF)
frm_nxt += 2;
}
for (; frm_nxt < frm_end - 1 && to_nxt < to_end; ++to_nxt)
{
uint16_t c1 = static_cast<uint16_t>(frm_nxt[0] << 8 | frm_nxt[1]);
if ((c1 & 0xFC00) == 0xDC00)
return codecvt_base::error;
if ((c1 & 0xFC00) != 0xD800)
{
if (c1 > Maxcode)
return codecvt_base::error;
*to_nxt = static_cast<uint32_t>(c1);
frm_nxt += 2;
}
else
{
if (frm_end-frm_nxt < 4)
return codecvt_base::partial;
uint16_t c2 = static_cast<uint16_t>(frm_nxt[2] << 8 | frm_nxt[3]);
if ((c2 & 0xFC00) != 0xDC00)
return codecvt_base::error;
uint32_t t = static_cast<uint32_t>(
((((c1 & 0x03C0) >> 6) + 1) << 16)
| ((c1 & 0x003F) << 10)
| (c2 & 0x03FF));
if (t > Maxcode)
return codecvt_base::error;
*to_nxt = t;
frm_nxt += 4;
}
}
return frm_nxt < frm_end ? codecvt_base::partial : codecvt_base::ok;
}
static
int
utf16be_to_ucs4_length(const uint8_t* frm, const uint8_t* frm_end,
size_t mx, unsigned long Maxcode = 0x10FFFF,
codecvt_mode mode = codecvt_mode(0))
{
const uint8_t* frm_nxt = frm;
if (mode & consume_header)
{
if (frm_end-frm_nxt >= 2 && frm_nxt[0] == 0xFE && frm_nxt[1] == 0xFF)
frm_nxt += 2;
}
for (size_t nchar32_t = 0; frm_nxt < frm_end - 1 && nchar32_t < mx; ++nchar32_t)
{
uint16_t c1 = static_cast<uint16_t>(frm_nxt[0] << 8 | frm_nxt[1]);
if ((c1 & 0xFC00) == 0xDC00)
break;
if ((c1 & 0xFC00) != 0xD800)
{
if (c1 > Maxcode)
break;
frm_nxt += 2;
}
else
{
if (frm_end-frm_nxt < 4)
break;
uint16_t c2 = static_cast<uint16_t>(frm_nxt[2] << 8 | frm_nxt[3]);
if ((c2 & 0xFC00) != 0xDC00)
break;
uint32_t t = static_cast<uint32_t>(
((((c1 & 0x03C0) >> 6) + 1) << 16)
| ((c1 & 0x003F) << 10)
| (c2 & 0x03FF));
if (t > Maxcode)
break;
frm_nxt += 4;
}
}
return static_cast<int>(frm_nxt - frm);
}
static
codecvt_base::result
ucs4_to_utf16le(const uint32_t* frm, const uint32_t* frm_end, const uint32_t*& frm_nxt,
uint8_t* to, uint8_t* to_end, uint8_t*& to_nxt,
unsigned long Maxcode = 0x10FFFF, codecvt_mode mode = codecvt_mode(0))
{
frm_nxt = frm;
to_nxt = to;
if (mode & generate_header)
{
if (to_end - to_nxt < 2)
return codecvt_base::partial;
*to_nxt++ = static_cast<uint8_t>(0xFF);
*to_nxt++ = static_cast<uint8_t>(0xFE);
}
for (; frm_nxt < frm_end; ++frm_nxt)
{
uint32_t wc = *frm_nxt;
if ((wc & 0xFFFFF800) == 0x00D800 || wc > Maxcode)
return codecvt_base::error;
if (wc < 0x010000)
{
if (to_end-to_nxt < 2)
return codecvt_base::partial;
*to_nxt++ = static_cast<uint8_t>(wc);
*to_nxt++ = static_cast<uint8_t>(wc >> 8);
}
else
{
if (to_end-to_nxt < 4)
return codecvt_base::partial;
uint16_t t = static_cast<uint16_t>(
0xD800
| ((((wc & 0x1F0000) >> 16) - 1) << 6)
| ((wc & 0x00FC00) >> 10));
*to_nxt++ = static_cast<uint8_t>(t);
*to_nxt++ = static_cast<uint8_t>(t >> 8);
t = static_cast<uint16_t>(0xDC00 | (wc & 0x03FF));
*to_nxt++ = static_cast<uint8_t>(t);
*to_nxt++ = static_cast<uint8_t>(t >> 8);
}
}
return codecvt_base::ok;
}
static
codecvt_base::result
utf16le_to_ucs4(const uint8_t* frm, const uint8_t* frm_end, const uint8_t*& frm_nxt,
uint32_t* to, uint32_t* to_end, uint32_t*& to_nxt,
unsigned long Maxcode = 0x10FFFF, codecvt_mode mode = codecvt_mode(0))
{
frm_nxt = frm;
to_nxt = to;
if (mode & consume_header)
{
if (frm_end-frm_nxt >= 2 && frm_nxt[0] == 0xFF && frm_nxt[1] == 0xFE)
frm_nxt += 2;
}
for (; frm_nxt < frm_end - 1 && to_nxt < to_end; ++to_nxt)
{
uint16_t c1 = static_cast<uint16_t>(frm_nxt[1] << 8 | frm_nxt[0]);
if ((c1 & 0xFC00) == 0xDC00)
return codecvt_base::error;
if ((c1 & 0xFC00) != 0xD800)
{
if (c1 > Maxcode)
return codecvt_base::error;
*to_nxt = static_cast<uint32_t>(c1);
frm_nxt += 2;
}
else
{
if (frm_end-frm_nxt < 4)
return codecvt_base::partial;
uint16_t c2 = static_cast<uint16_t>(frm_nxt[3] << 8 | frm_nxt[2]);
if ((c2 & 0xFC00) != 0xDC00)
return codecvt_base::error;
uint32_t t = static_cast<uint32_t>(
((((c1 & 0x03C0) >> 6) + 1) << 16)
| ((c1 & 0x003F) << 10)
| (c2 & 0x03FF));
if (t > Maxcode)
return codecvt_base::error;
*to_nxt = t;
frm_nxt += 4;
}
}
return frm_nxt < frm_end ? codecvt_base::partial : codecvt_base::ok;
}
static
int
utf16le_to_ucs4_length(const uint8_t* frm, const uint8_t* frm_end,
size_t mx, unsigned long Maxcode = 0x10FFFF,
codecvt_mode mode = codecvt_mode(0))
{
const uint8_t* frm_nxt = frm;
if (mode & consume_header)
{
if (frm_end-frm_nxt >= 2 && frm_nxt[0] == 0xFF && frm_nxt[1] == 0xFE)
frm_nxt += 2;
}
for (size_t nchar32_t = 0; frm_nxt < frm_end - 1 && nchar32_t < mx; ++nchar32_t)
{
uint16_t c1 = static_cast<uint16_t>(frm_nxt[1] << 8 | frm_nxt[0]);
if ((c1 & 0xFC00) == 0xDC00)
break;
if ((c1 & 0xFC00) != 0xD800)
{
if (c1 > Maxcode)
break;
frm_nxt += 2;
}
else
{
if (frm_end-frm_nxt < 4)
break;
uint16_t c2 = static_cast<uint16_t>(frm_nxt[3] << 8 | frm_nxt[2]);
if ((c2 & 0xFC00) != 0xDC00)
break;
uint32_t t = static_cast<uint32_t>(
((((c1 & 0x03C0) >> 6) + 1) << 16)
| ((c1 & 0x003F) << 10)
| (c2 & 0x03FF));
if (t > Maxcode)
break;
frm_nxt += 4;
}
}
return static_cast<int>(frm_nxt - frm);
}
static
codecvt_base::result
ucs2_to_utf16be(const uint16_t* frm, const uint16_t* frm_end, const uint16_t*& frm_nxt,
uint8_t* to, uint8_t* to_end, uint8_t*& to_nxt,
unsigned long Maxcode = 0x10FFFF, codecvt_mode mode = codecvt_mode(0))
{
frm_nxt = frm;
to_nxt = to;
if (mode & generate_header)
{
if (to_end-to_nxt < 2)
return codecvt_base::partial;
*to_nxt++ = static_cast<uint8_t>(0xFE);
*to_nxt++ = static_cast<uint8_t>(0xFF);
}
for (; frm_nxt < frm_end; ++frm_nxt)
{
uint16_t wc = *frm_nxt;
if ((wc & 0xF800) == 0xD800 || wc > Maxcode)
return codecvt_base::error;
if (to_end-to_nxt < 2)
return codecvt_base::partial;
*to_nxt++ = static_cast<uint8_t>(wc >> 8);
*to_nxt++ = static_cast<uint8_t>(wc);
}
return codecvt_base::ok;
}
static
codecvt_base::result
utf16be_to_ucs2(const uint8_t* frm, const uint8_t* frm_end, const uint8_t*& frm_nxt,
uint16_t* to, uint16_t* to_end, uint16_t*& to_nxt,
unsigned long Maxcode = 0x10FFFF, codecvt_mode mode = codecvt_mode(0))
{
frm_nxt = frm;
to_nxt = to;
if (mode & consume_header)
{
if (frm_end-frm_nxt >= 2 && frm_nxt[0] == 0xFE && frm_nxt[1] == 0xFF)
frm_nxt += 2;
}
for (; frm_nxt < frm_end - 1 && to_nxt < to_end; ++to_nxt)
{
uint16_t c1 = static_cast<uint16_t>(frm_nxt[0] << 8 | frm_nxt[1]);
if ((c1 & 0xF800) == 0xD800 || c1 > Maxcode)
return codecvt_base::error;
*to_nxt = c1;
frm_nxt += 2;
}
return frm_nxt < frm_end ? codecvt_base::partial : codecvt_base::ok;
}
static
int
utf16be_to_ucs2_length(const uint8_t* frm, const uint8_t* frm_end,
size_t mx, unsigned long Maxcode = 0x10FFFF,
codecvt_mode mode = codecvt_mode(0))
{
const uint8_t* frm_nxt = frm;
if (mode & consume_header)
{
if (frm_end-frm_nxt >= 2 && frm_nxt[0] == 0xFE && frm_nxt[1] == 0xFF)
frm_nxt += 2;
}
for (size_t nchar16_t = 0; frm_nxt < frm_end - 1 && nchar16_t < mx; ++nchar16_t)
{
uint16_t c1 = static_cast<uint16_t>(frm_nxt[0] << 8 | frm_nxt[1]);
if ((c1 & 0xF800) == 0xD800 || c1 > Maxcode)
break;
frm_nxt += 2;
}
return static_cast<int>(frm_nxt - frm);
}
static
codecvt_base::result
ucs2_to_utf16le(const uint16_t* frm, const uint16_t* frm_end, const uint16_t*& frm_nxt,
uint8_t* to, uint8_t* to_end, uint8_t*& to_nxt,
unsigned long Maxcode = 0x10FFFF, codecvt_mode mode = codecvt_mode(0))
{
frm_nxt = frm;
to_nxt = to;
if (mode & generate_header)
{
if (to_end-to_nxt < 2)
return codecvt_base::partial;
*to_nxt++ = static_cast<uint8_t>(0xFF);
*to_nxt++ = static_cast<uint8_t>(0xFE);
}
for (; frm_nxt < frm_end; ++frm_nxt)
{
uint16_t wc = *frm_nxt;
if ((wc & 0xF800) == 0xD800 || wc > Maxcode)
return codecvt_base::error;
if (to_end-to_nxt < 2)
return codecvt_base::partial;
*to_nxt++ = static_cast<uint8_t>(wc);
*to_nxt++ = static_cast<uint8_t>(wc >> 8);
}
return codecvt_base::ok;
}
static
codecvt_base::result
utf16le_to_ucs2(const uint8_t* frm, const uint8_t* frm_end, const uint8_t*& frm_nxt,
uint16_t* to, uint16_t* to_end, uint16_t*& to_nxt,
unsigned long Maxcode = 0x10FFFF, codecvt_mode mode = codecvt_mode(0))
{
frm_nxt = frm;
to_nxt = to;
if (mode & consume_header)
{
if (frm_end-frm_nxt >= 2 && frm_nxt[0] == 0xFF && frm_nxt[1] == 0xFE)
frm_nxt += 2;
}
for (; frm_nxt < frm_end - 1 && to_nxt < to_end; ++to_nxt)
{
uint16_t c1 = static_cast<uint16_t>(frm_nxt[1] << 8 | frm_nxt[0]);
if ((c1 & 0xF800) == 0xD800 || c1 > Maxcode)
return codecvt_base::error;
*to_nxt = c1;
frm_nxt += 2;
}
return frm_nxt < frm_end ? codecvt_base::partial : codecvt_base::ok;
}
static
int
utf16le_to_ucs2_length(const uint8_t* frm, const uint8_t* frm_end,
size_t mx, unsigned long Maxcode = 0x10FFFF,
codecvt_mode mode = codecvt_mode(0))
{
const uint8_t* frm_nxt = frm;
frm_nxt = frm;
if (mode & consume_header)
{
if (frm_end-frm_nxt >= 2 && frm_nxt[0] == 0xFF && frm_nxt[1] == 0xFE)
frm_nxt += 2;
}
for (size_t nchar16_t = 0; frm_nxt < frm_end - 1 && nchar16_t < mx; ++nchar16_t)
{
uint16_t c1 = static_cast<uint16_t>(frm_nxt[1] << 8 | frm_nxt[0]);
if ((c1 & 0xF800) == 0xD800 || c1 > Maxcode)
break;
frm_nxt += 2;
}
return static_cast<int>(frm_nxt - frm);
}
// template <> class codecvt<char16_t, char, mbstate_t>
locale::id codecvt<char16_t, char, mbstate_t>::id;
codecvt<char16_t, char, mbstate_t>::~codecvt()
{
}
codecvt<char16_t, char, mbstate_t>::result
codecvt<char16_t, char, mbstate_t>::do_out(state_type&,
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
{
const uint16_t* _frm = reinterpret_cast<const uint16_t*>(frm);
const uint16_t* _frm_end = reinterpret_cast<const uint16_t*>(frm_end);
const uint16_t* _frm_nxt = _frm;
uint8_t* _to = reinterpret_cast<uint8_t*>(to);
uint8_t* _to_end = reinterpret_cast<uint8_t*>(to_end);
uint8_t* _to_nxt = _to;
result r = utf16_to_utf8(_frm, _frm_end, _frm_nxt, _to, _to_end, _to_nxt);
frm_nxt = frm + (_frm_nxt - _frm);
to_nxt = to + (_to_nxt - _to);
return r;
}
codecvt<char16_t, char, mbstate_t>::result
codecvt<char16_t, char, mbstate_t>::do_in(state_type&,
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
{
const uint8_t* _frm = reinterpret_cast<const uint8_t*>(frm);
const uint8_t* _frm_end = reinterpret_cast<const uint8_t*>(frm_end);
const uint8_t* _frm_nxt = _frm;
uint16_t* _to = reinterpret_cast<uint16_t*>(to);
uint16_t* _to_end = reinterpret_cast<uint16_t*>(to_end);
uint16_t* _to_nxt = _to;
result r = utf8_to_utf16(_frm, _frm_end, _frm_nxt, _to, _to_end, _to_nxt);
frm_nxt = frm + (_frm_nxt - _frm);
to_nxt = to + (_to_nxt - _to);
return r;
}
codecvt<char16_t, char, mbstate_t>::result
codecvt<char16_t, char, mbstate_t>::do_unshift(state_type&,
extern_type* to, extern_type*, extern_type*& to_nxt) const
{
to_nxt = to;
return noconv;
}
int
codecvt<char16_t, char, mbstate_t>::do_encoding() const noexcept
{
return 0;
}
bool
codecvt<char16_t, char, mbstate_t>::do_always_noconv() const noexcept
{
return false;
}
int
codecvt<char16_t, char, mbstate_t>::do_length(state_type&,
const extern_type* frm, const extern_type* frm_end, size_t mx) const
{
const uint8_t* _frm = reinterpret_cast<const uint8_t*>(frm);
const uint8_t* _frm_end = reinterpret_cast<const uint8_t*>(frm_end);
return utf8_to_utf16_length(_frm, _frm_end, mx);
}
int
codecvt<char16_t, char, mbstate_t>::do_max_length() const noexcept
{
return 4;
}
#ifndef _LIBCPP_HAS_NO_CHAR8_T
// template <> class codecvt<char16_t, char8_t, mbstate_t>
locale::id codecvt<char16_t, char8_t, mbstate_t>::id;
codecvt<char16_t, char8_t, mbstate_t>::~codecvt()
{
}
codecvt<char16_t, char8_t, mbstate_t>::result
codecvt<char16_t, char8_t, mbstate_t>::do_out(state_type&,
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
{
const uint16_t* _frm = reinterpret_cast<const uint16_t*>(frm);
const uint16_t* _frm_end = reinterpret_cast<const uint16_t*>(frm_end);
const uint16_t* _frm_nxt = _frm;
uint8_t* _to = reinterpret_cast<uint8_t*>(to);
uint8_t* _to_end = reinterpret_cast<uint8_t*>(to_end);
uint8_t* _to_nxt = _to;
result r = utf16_to_utf8(_frm, _frm_end, _frm_nxt, _to, _to_end, _to_nxt);
frm_nxt = frm + (_frm_nxt - _frm);
to_nxt = to + (_to_nxt - _to);
return r;
}
codecvt<char16_t, char8_t, mbstate_t>::result
codecvt<char16_t, char8_t, mbstate_t>::do_in(state_type&,
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
{
const uint8_t* _frm = reinterpret_cast<const uint8_t*>(frm);
const uint8_t* _frm_end = reinterpret_cast<const uint8_t*>(frm_end);
const uint8_t* _frm_nxt = _frm;
uint16_t* _to = reinterpret_cast<uint16_t*>(to);
uint16_t* _to_end = reinterpret_cast<uint16_t*>(to_end);
uint16_t* _to_nxt = _to;
result r = utf8_to_utf16(_frm, _frm_end, _frm_nxt, _to, _to_end, _to_nxt);
frm_nxt = frm + (_frm_nxt - _frm);
to_nxt = to + (_to_nxt - _to);
return r;
}
codecvt<char16_t, char8_t, mbstate_t>::result
codecvt<char16_t, char8_t, mbstate_t>::do_unshift(state_type&,
extern_type* to, extern_type*, extern_type*& to_nxt) const
{
to_nxt = to;
return noconv;
}
int
codecvt<char16_t, char8_t, mbstate_t>::do_encoding() const noexcept
{
return 0;
}
bool
codecvt<char16_t, char8_t, mbstate_t>::do_always_noconv() const noexcept
{
return false;
}
int
codecvt<char16_t, char8_t, mbstate_t>::do_length(state_type&,
const extern_type* frm, const extern_type* frm_end, size_t mx) const
{
const uint8_t* _frm = reinterpret_cast<const uint8_t*>(frm);
const uint8_t* _frm_end = reinterpret_cast<const uint8_t*>(frm_end);
return utf8_to_utf16_length(_frm, _frm_end, mx);
}
int
codecvt<char16_t, char8_t, mbstate_t>::do_max_length() const noexcept
{
return 4;
}
#endif
// template <> class codecvt<char32_t, char, mbstate_t>
locale::id codecvt<char32_t, char, mbstate_t>::id;
codecvt<char32_t, char, mbstate_t>::~codecvt()
{
}
codecvt<char32_t, char, mbstate_t>::result
codecvt<char32_t, char, mbstate_t>::do_out(state_type&,
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
{
const uint32_t* _frm = reinterpret_cast<const uint32_t*>(frm);
const uint32_t* _frm_end = reinterpret_cast<const uint32_t*>(frm_end);
const uint32_t* _frm_nxt = _frm;
uint8_t* _to = reinterpret_cast<uint8_t*>(to);
uint8_t* _to_end = reinterpret_cast<uint8_t*>(to_end);
uint8_t* _to_nxt = _to;
result r = ucs4_to_utf8(_frm, _frm_end, _frm_nxt, _to, _to_end, _to_nxt);
frm_nxt = frm + (_frm_nxt - _frm);
to_nxt = to + (_to_nxt - _to);
return r;
}
codecvt<char32_t, char, mbstate_t>::result
codecvt<char32_t, char, mbstate_t>::do_in(state_type&,
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
{
const uint8_t* _frm = reinterpret_cast<const uint8_t*>(frm);
const uint8_t* _frm_end = reinterpret_cast<const uint8_t*>(frm_end);
const uint8_t* _frm_nxt = _frm;
uint32_t* _to = reinterpret_cast<uint32_t*>(to);
uint32_t* _to_end = reinterpret_cast<uint32_t*>(to_end);
uint32_t* _to_nxt = _to;
result r = utf8_to_ucs4(_frm, _frm_end, _frm_nxt, _to, _to_end, _to_nxt);
frm_nxt = frm + (_frm_nxt - _frm);
to_nxt = to + (_to_nxt - _to);
return r;
}
codecvt<char32_t, char, mbstate_t>::result
codecvt<char32_t, char, mbstate_t>::do_unshift(state_type&,
extern_type* to, extern_type*, extern_type*& to_nxt) const
{
to_nxt = to;
return noconv;
}
int
codecvt<char32_t, char, mbstate_t>::do_encoding() const noexcept
{
return 0;
}
bool
codecvt<char32_t, char, mbstate_t>::do_always_noconv() const noexcept
{
return false;
}
int
codecvt<char32_t, char, mbstate_t>::do_length(state_type&,
const extern_type* frm, const extern_type* frm_end, size_t mx) const
{
const uint8_t* _frm = reinterpret_cast<const uint8_t*>(frm);
const uint8_t* _frm_end = reinterpret_cast<const uint8_t*>(frm_end);
return utf8_to_ucs4_length(_frm, _frm_end, mx);
}
int
codecvt<char32_t, char, mbstate_t>::do_max_length() const noexcept
{
return 4;
}
#ifndef _LIBCPP_HAS_NO_CHAR8_T
// template <> class codecvt<char32_t, char8_t, mbstate_t>
locale::id codecvt<char32_t, char8_t, mbstate_t>::id;
codecvt<char32_t, char8_t, mbstate_t>::~codecvt()
{
}
codecvt<char32_t, char8_t, mbstate_t>::result
codecvt<char32_t, char8_t, mbstate_t>::do_out(state_type&,
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
{
const uint32_t* _frm = reinterpret_cast<const uint32_t*>(frm);
const uint32_t* _frm_end = reinterpret_cast<const uint32_t*>(frm_end);
const uint32_t* _frm_nxt = _frm;
uint8_t* _to = reinterpret_cast<uint8_t*>(to);
uint8_t* _to_end = reinterpret_cast<uint8_t*>(to_end);
uint8_t* _to_nxt = _to;
result r = ucs4_to_utf8(_frm, _frm_end, _frm_nxt, _to, _to_end, _to_nxt);
frm_nxt = frm + (_frm_nxt - _frm);
to_nxt = to + (_to_nxt - _to);
return r;
}
codecvt<char32_t, char8_t, mbstate_t>::result
codecvt<char32_t, char8_t, mbstate_t>::do_in(state_type&,
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
{
const uint8_t* _frm = reinterpret_cast<const uint8_t*>(frm);
const uint8_t* _frm_end = reinterpret_cast<const uint8_t*>(frm_end);
const uint8_t* _frm_nxt = _frm;
uint32_t* _to = reinterpret_cast<uint32_t*>(to);
uint32_t* _to_end = reinterpret_cast<uint32_t*>(to_end);
uint32_t* _to_nxt = _to;
result r = utf8_to_ucs4(_frm, _frm_end, _frm_nxt, _to, _to_end, _to_nxt);
frm_nxt = frm + (_frm_nxt - _frm);
to_nxt = to + (_to_nxt - _to);
return r;
}
codecvt<char32_t, char8_t, mbstate_t>::result
codecvt<char32_t, char8_t, mbstate_t>::do_unshift(state_type&,
extern_type* to, extern_type*, extern_type*& to_nxt) const
{
to_nxt = to;
return noconv;
}
int
codecvt<char32_t, char8_t, mbstate_t>::do_encoding() const noexcept
{
return 0;
}
bool
codecvt<char32_t, char8_t, mbstate_t>::do_always_noconv() const noexcept
{
return false;
}
int
codecvt<char32_t, char8_t, mbstate_t>::do_length(state_type&,
const extern_type* frm, const extern_type* frm_end, size_t mx) const
{
const uint8_t* _frm = reinterpret_cast<const uint8_t*>(frm);
const uint8_t* _frm_end = reinterpret_cast<const uint8_t*>(frm_end);
return utf8_to_ucs4_length(_frm, _frm_end, mx);
}
int
codecvt<char32_t, char8_t, mbstate_t>::do_max_length() const noexcept
{
return 4;
}
#endif
// __codecvt_utf8<wchar_t>
#ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS
__codecvt_utf8<wchar_t>::result
__codecvt_utf8<wchar_t>::do_out(state_type&,
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
{
#if defined(_LIBCPP_SHORT_WCHAR)
const uint16_t* _frm = reinterpret_cast<const uint16_t*>(frm);
const uint16_t* _frm_end = reinterpret_cast<const uint16_t*>(frm_end);
const uint16_t* _frm_nxt = _frm;
#else
const uint32_t* _frm = reinterpret_cast<const uint32_t*>(frm);
const uint32_t* _frm_end = reinterpret_cast<const uint32_t*>(frm_end);
const uint32_t* _frm_nxt = _frm;
#endif
uint8_t* _to = reinterpret_cast<uint8_t*>(to);
uint8_t* _to_end = reinterpret_cast<uint8_t*>(to_end);
uint8_t* _to_nxt = _to;
#if defined(_LIBCPP_SHORT_WCHAR)
result r = ucs2_to_utf8(_frm, _frm_end, _frm_nxt, _to, _to_end, _to_nxt,
_Maxcode_, _Mode_);
#else
result r = ucs4_to_utf8(_frm, _frm_end, _frm_nxt, _to, _to_end, _to_nxt,
_Maxcode_, _Mode_);
#endif
frm_nxt = frm + (_frm_nxt - _frm);
to_nxt = to + (_to_nxt - _to);
return r;
}
__codecvt_utf8<wchar_t>::result
__codecvt_utf8<wchar_t>::do_in(state_type&,
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
{
const uint8_t* _frm = reinterpret_cast<const uint8_t*>(frm);
const uint8_t* _frm_end = reinterpret_cast<const uint8_t*>(frm_end);
const uint8_t* _frm_nxt = _frm;
#if defined(_LIBCPP_SHORT_WCHAR)
uint16_t* _to = reinterpret_cast<uint16_t*>(to);
uint16_t* _to_end = reinterpret_cast<uint16_t*>(to_end);
uint16_t* _to_nxt = _to;
result r = utf8_to_ucs2(_frm, _frm_end, _frm_nxt, _to, _to_end, _to_nxt,
_Maxcode_, _Mode_);
#else
uint32_t* _to = reinterpret_cast<uint32_t*>(to);
uint32_t* _to_end = reinterpret_cast<uint32_t*>(to_end);
uint32_t* _to_nxt = _to;
result r = utf8_to_ucs4(_frm, _frm_end, _frm_nxt, _to, _to_end, _to_nxt,
_Maxcode_, _Mode_);
#endif
frm_nxt = frm + (_frm_nxt - _frm);
to_nxt = to + (_to_nxt - _to);
return r;
}
__codecvt_utf8<wchar_t>::result
__codecvt_utf8<wchar_t>::do_unshift(state_type&,
extern_type* to, extern_type*, extern_type*& to_nxt) const
{
to_nxt = to;
return noconv;
}
int
__codecvt_utf8<wchar_t>::do_encoding() const noexcept
{
return 0;
}
bool
__codecvt_utf8<wchar_t>::do_always_noconv() const noexcept
{
return false;
}
int
__codecvt_utf8<wchar_t>::do_length(state_type&,
const extern_type* frm, const extern_type* frm_end, size_t mx) const
{
const uint8_t* _frm = reinterpret_cast<const uint8_t*>(frm);
const uint8_t* _frm_end = reinterpret_cast<const uint8_t*>(frm_end);
#if defined(_LIBCPP_SHORT_WCHAR)
return utf8_to_ucs2_length(_frm, _frm_end, mx, _Maxcode_, _Mode_);
#else
return utf8_to_ucs4_length(_frm, _frm_end, mx, _Maxcode_, _Mode_);
#endif
}
int
__codecvt_utf8<wchar_t>::do_max_length() const noexcept
{
#if defined(_LIBCPP_SHORT_WCHAR)
if (_Mode_ & consume_header)
return 6;
return 3;
#else
if (_Mode_ & consume_header)
return 7;
return 4;
#endif
}
#endif // _LIBCPP_HAS_NO_WIDE_CHARACTERS
// __codecvt_utf8<char16_t>
__codecvt_utf8<char16_t>::result
__codecvt_utf8<char16_t>::do_out(state_type&,
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
{
const uint16_t* _frm = reinterpret_cast<const uint16_t*>(frm);
const uint16_t* _frm_end = reinterpret_cast<const uint16_t*>(frm_end);
const uint16_t* _frm_nxt = _frm;
uint8_t* _to = reinterpret_cast<uint8_t*>(to);
uint8_t* _to_end = reinterpret_cast<uint8_t*>(to_end);
uint8_t* _to_nxt = _to;
result r = ucs2_to_utf8(_frm, _frm_end, _frm_nxt, _to, _to_end, _to_nxt,
_Maxcode_, _Mode_);
frm_nxt = frm + (_frm_nxt - _frm);
to_nxt = to + (_to_nxt - _to);
return r;
}
__codecvt_utf8<char16_t>::result
__codecvt_utf8<char16_t>::do_in(state_type&,
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
{
const uint8_t* _frm = reinterpret_cast<const uint8_t*>(frm);
const uint8_t* _frm_end = reinterpret_cast<const uint8_t*>(frm_end);
const uint8_t* _frm_nxt = _frm;
uint16_t* _to = reinterpret_cast<uint16_t*>(to);
uint16_t* _to_end = reinterpret_cast<uint16_t*>(to_end);
uint16_t* _to_nxt = _to;
result r = utf8_to_ucs2(_frm, _frm_end, _frm_nxt, _to, _to_end, _to_nxt,
_Maxcode_, _Mode_);
frm_nxt = frm + (_frm_nxt - _frm);
to_nxt = to + (_to_nxt - _to);
return r;
}
__codecvt_utf8<char16_t>::result
__codecvt_utf8<char16_t>::do_unshift(state_type&,
extern_type* to, extern_type*, extern_type*& to_nxt) const
{
to_nxt = to;
return noconv;
}
int
__codecvt_utf8<char16_t>::do_encoding() const noexcept
{
return 0;
}
bool
__codecvt_utf8<char16_t>::do_always_noconv() const noexcept
{
return false;
}
int
__codecvt_utf8<char16_t>::do_length(state_type&,
const extern_type* frm, const extern_type* frm_end, size_t mx) const
{
const uint8_t* _frm = reinterpret_cast<const uint8_t*>(frm);
const uint8_t* _frm_end = reinterpret_cast<const uint8_t*>(frm_end);
return utf8_to_ucs2_length(_frm, _frm_end, mx, _Maxcode_, _Mode_);
}
int
__codecvt_utf8<char16_t>::do_max_length() const noexcept
{
if (_Mode_ & consume_header)
return 6;
return 3;
}
// __codecvt_utf8<char32_t>
__codecvt_utf8<char32_t>::result
__codecvt_utf8<char32_t>::do_out(state_type&,
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
{
const uint32_t* _frm = reinterpret_cast<const uint32_t*>(frm);
const uint32_t* _frm_end = reinterpret_cast<const uint32_t*>(frm_end);
const uint32_t* _frm_nxt = _frm;
uint8_t* _to = reinterpret_cast<uint8_t*>(to);
uint8_t* _to_end = reinterpret_cast<uint8_t*>(to_end);
uint8_t* _to_nxt = _to;
result r = ucs4_to_utf8(_frm, _frm_end, _frm_nxt, _to, _to_end, _to_nxt,
_Maxcode_, _Mode_);
frm_nxt = frm + (_frm_nxt - _frm);
to_nxt = to + (_to_nxt - _to);
return r;
}
__codecvt_utf8<char32_t>::result
__codecvt_utf8<char32_t>::do_in(state_type&,
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
{
const uint8_t* _frm = reinterpret_cast<const uint8_t*>(frm);
const uint8_t* _frm_end = reinterpret_cast<const uint8_t*>(frm_end);
const uint8_t* _frm_nxt = _frm;
uint32_t* _to = reinterpret_cast<uint32_t*>(to);
uint32_t* _to_end = reinterpret_cast<uint32_t*>(to_end);
uint32_t* _to_nxt = _to;
result r = utf8_to_ucs4(_frm, _frm_end, _frm_nxt, _to, _to_end, _to_nxt,
_Maxcode_, _Mode_);
frm_nxt = frm + (_frm_nxt - _frm);
to_nxt = to + (_to_nxt - _to);
return r;
}
__codecvt_utf8<char32_t>::result
__codecvt_utf8<char32_t>::do_unshift(state_type&,
extern_type* to, extern_type*, extern_type*& to_nxt) const
{
to_nxt = to;
return noconv;
}
int
__codecvt_utf8<char32_t>::do_encoding() const noexcept
{
return 0;
}
bool
__codecvt_utf8<char32_t>::do_always_noconv() const noexcept
{
return false;
}
int
__codecvt_utf8<char32_t>::do_length(state_type&,
const extern_type* frm, const extern_type* frm_end, size_t mx) const
{
const uint8_t* _frm = reinterpret_cast<const uint8_t*>(frm);
const uint8_t* _frm_end = reinterpret_cast<const uint8_t*>(frm_end);
return utf8_to_ucs4_length(_frm, _frm_end, mx, _Maxcode_, _Mode_);
}
int
__codecvt_utf8<char32_t>::do_max_length() const noexcept
{
if (_Mode_ & consume_header)
return 7;
return 4;
}
// __codecvt_utf16<wchar_t, false>
#ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS
__codecvt_utf16<wchar_t, false>::result
__codecvt_utf16<wchar_t, false>::do_out(state_type&,
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
{
#if defined(_LIBCPP_SHORT_WCHAR)
const uint16_t* _frm = reinterpret_cast<const uint16_t*>(frm);
const uint16_t* _frm_end = reinterpret_cast<const uint16_t*>(frm_end);
const uint16_t* _frm_nxt = _frm;
#else
const uint32_t* _frm = reinterpret_cast<const uint32_t*>(frm);
const uint32_t* _frm_end = reinterpret_cast<const uint32_t*>(frm_end);
const uint32_t* _frm_nxt = _frm;
#endif
uint8_t* _to = reinterpret_cast<uint8_t*>(to);
uint8_t* _to_end = reinterpret_cast<uint8_t*>(to_end);
uint8_t* _to_nxt = _to;
#if defined(_LIBCPP_SHORT_WCHAR)
result r = ucs2_to_utf16be(_frm, _frm_end, _frm_nxt, _to, _to_end, _to_nxt,
_Maxcode_, _Mode_);
#else
result r = ucs4_to_utf16be(_frm, _frm_end, _frm_nxt, _to, _to_end, _to_nxt,
_Maxcode_, _Mode_);
#endif
frm_nxt = frm + (_frm_nxt - _frm);
to_nxt = to + (_to_nxt - _to);
return r;
}
__codecvt_utf16<wchar_t, false>::result
__codecvt_utf16<wchar_t, false>::do_in(state_type&,
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
{
const uint8_t* _frm = reinterpret_cast<const uint8_t*>(frm);
const uint8_t* _frm_end = reinterpret_cast<const uint8_t*>(frm_end);
const uint8_t* _frm_nxt = _frm;
#if defined(_LIBCPP_SHORT_WCHAR)
uint16_t* _to = reinterpret_cast<uint16_t*>(to);
uint16_t* _to_end = reinterpret_cast<uint16_t*>(to_end);
uint16_t* _to_nxt = _to;
result r = utf16be_to_ucs2(_frm, _frm_end, _frm_nxt, _to, _to_end, _to_nxt,
_Maxcode_, _Mode_);
#else
uint32_t* _to = reinterpret_cast<uint32_t*>(to);
uint32_t* _to_end = reinterpret_cast<uint32_t*>(to_end);
uint32_t* _to_nxt = _to;
result r = utf16be_to_ucs4(_frm, _frm_end, _frm_nxt, _to, _to_end, _to_nxt,
_Maxcode_, _Mode_);
#endif
frm_nxt = frm + (_frm_nxt - _frm);
to_nxt = to + (_to_nxt - _to);
return r;
}
__codecvt_utf16<wchar_t, false>::result
__codecvt_utf16<wchar_t, false>::do_unshift(state_type&,
extern_type* to, extern_type*, extern_type*& to_nxt) const
{
to_nxt = to;
return noconv;
}
int
__codecvt_utf16<wchar_t, false>::do_encoding() const noexcept
{
return 0;
}
bool
__codecvt_utf16<wchar_t, false>::do_always_noconv() const noexcept
{
return false;
}
int
__codecvt_utf16<wchar_t, false>::do_length(state_type&,
const extern_type* frm, const extern_type* frm_end, size_t mx) const
{
const uint8_t* _frm = reinterpret_cast<const uint8_t*>(frm);
const uint8_t* _frm_end = reinterpret_cast<const uint8_t*>(frm_end);
#if defined(_LIBCPP_SHORT_WCHAR)
return utf16be_to_ucs2_length(_frm, _frm_end, mx, _Maxcode_, _Mode_);
#else
return utf16be_to_ucs4_length(_frm, _frm_end, mx, _Maxcode_, _Mode_);
#endif
}
int
__codecvt_utf16<wchar_t, false>::do_max_length() const noexcept
{
#if defined(_LIBCPP_SHORT_WCHAR)
if (_Mode_ & consume_header)
return 4;
return 2;
#else
if (_Mode_ & consume_header)
return 6;
return 4;
#endif
}
// __codecvt_utf16<wchar_t, true>
__codecvt_utf16<wchar_t, true>::result
__codecvt_utf16<wchar_t, true>::do_out(state_type&,
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
{
#if defined(_LIBCPP_SHORT_WCHAR)
const uint16_t* _frm = reinterpret_cast<const uint16_t*>(frm);
const uint16_t* _frm_end = reinterpret_cast<const uint16_t*>(frm_end);
const uint16_t* _frm_nxt = _frm;
#else
const uint32_t* _frm = reinterpret_cast<const uint32_t*>(frm);
const uint32_t* _frm_end = reinterpret_cast<const uint32_t*>(frm_end);
const uint32_t* _frm_nxt = _frm;
#endif
uint8_t* _to = reinterpret_cast<uint8_t*>(to);
uint8_t* _to_end = reinterpret_cast<uint8_t*>(to_end);
uint8_t* _to_nxt = _to;
#if defined(_LIBCPP_SHORT_WCHAR)
result r = ucs2_to_utf16le(_frm, _frm_end, _frm_nxt, _to, _to_end, _to_nxt,
_Maxcode_, _Mode_);
#else
result r = ucs4_to_utf16le(_frm, _frm_end, _frm_nxt, _to, _to_end, _to_nxt,
_Maxcode_, _Mode_);
#endif
frm_nxt = frm + (_frm_nxt - _frm);
to_nxt = to + (_to_nxt - _to);
return r;
}
__codecvt_utf16<wchar_t, true>::result
__codecvt_utf16<wchar_t, true>::do_in(state_type&,
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
{
const uint8_t* _frm = reinterpret_cast<const uint8_t*>(frm);
const uint8_t* _frm_end = reinterpret_cast<const uint8_t*>(frm_end);
const uint8_t* _frm_nxt = _frm;
#if defined(_LIBCPP_SHORT_WCHAR)
uint16_t* _to = reinterpret_cast<uint16_t*>(to);
uint16_t* _to_end = reinterpret_cast<uint16_t*>(to_end);
uint16_t* _to_nxt = _to;
result r = utf16le_to_ucs2(_frm, _frm_end, _frm_nxt, _to, _to_end, _to_nxt,
_Maxcode_, _Mode_);
#else
uint32_t* _to = reinterpret_cast<uint32_t*>(to);
uint32_t* _to_end = reinterpret_cast<uint32_t*>(to_end);
uint32_t* _to_nxt = _to;
result r = utf16le_to_ucs4(_frm, _frm_end, _frm_nxt, _to, _to_end, _to_nxt,
_Maxcode_, _Mode_);
#endif
frm_nxt = frm + (_frm_nxt - _frm);
to_nxt = to + (_to_nxt - _to);
return r;
}
__codecvt_utf16<wchar_t, true>::result
__codecvt_utf16<wchar_t, true>::do_unshift(state_type&,
extern_type* to, extern_type*, extern_type*& to_nxt) const
{
to_nxt = to;
return noconv;
}
int
__codecvt_utf16<wchar_t, true>::do_encoding() const noexcept
{
return 0;
}
bool
__codecvt_utf16<wchar_t, true>::do_always_noconv() const noexcept
{
return false;
}
int
__codecvt_utf16<wchar_t, true>::do_length(state_type&,
const extern_type* frm, const extern_type* frm_end, size_t mx) const
{
const uint8_t* _frm = reinterpret_cast<const uint8_t*>(frm);
const uint8_t* _frm_end = reinterpret_cast<const uint8_t*>(frm_end);
#if defined(_LIBCPP_SHORT_WCHAR)
return utf16le_to_ucs2_length(_frm, _frm_end, mx, _Maxcode_, _Mode_);
#else
return utf16le_to_ucs4_length(_frm, _frm_end, mx, _Maxcode_, _Mode_);
#endif
}
int
__codecvt_utf16<wchar_t, true>::do_max_length() const noexcept
{
#if defined(_LIBCPP_SHORT_WCHAR)
if (_Mode_ & consume_header)
return 4;
return 2;
#else
if (_Mode_ & consume_header)
return 6;
return 4;
#endif
}
#endif // _LIBCPP_HAS_NO_WIDE_CHARACTERS
// __codecvt_utf16<char16_t, false>
__codecvt_utf16<char16_t, false>::result
__codecvt_utf16<char16_t, false>::do_out(state_type&,
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
{
const uint16_t* _frm = reinterpret_cast<const uint16_t*>(frm);
const uint16_t* _frm_end = reinterpret_cast<const uint16_t*>(frm_end);
const uint16_t* _frm_nxt = _frm;
uint8_t* _to = reinterpret_cast<uint8_t*>(to);
uint8_t* _to_end = reinterpret_cast<uint8_t*>(to_end);
uint8_t* _to_nxt = _to;
result r = ucs2_to_utf16be(_frm, _frm_end, _frm_nxt, _to, _to_end, _to_nxt,
_Maxcode_, _Mode_);
frm_nxt = frm + (_frm_nxt - _frm);
to_nxt = to + (_to_nxt - _to);
return r;
}
__codecvt_utf16<char16_t, false>::result
__codecvt_utf16<char16_t, false>::do_in(state_type&,
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
{
const uint8_t* _frm = reinterpret_cast<const uint8_t*>(frm);
const uint8_t* _frm_end = reinterpret_cast<const uint8_t*>(frm_end);
const uint8_t* _frm_nxt = _frm;
uint16_t* _to = reinterpret_cast<uint16_t*>(to);
uint16_t* _to_end = reinterpret_cast<uint16_t*>(to_end);
uint16_t* _to_nxt = _to;
result r = utf16be_to_ucs2(_frm, _frm_end, _frm_nxt, _to, _to_end, _to_nxt,
_Maxcode_, _Mode_);
frm_nxt = frm + (_frm_nxt - _frm);
to_nxt = to + (_to_nxt - _to);
return r;
}
__codecvt_utf16<char16_t, false>::result
__codecvt_utf16<char16_t, false>::do_unshift(state_type&,
extern_type* to, extern_type*, extern_type*& to_nxt) const
{
to_nxt = to;
return noconv;
}
int
__codecvt_utf16<char16_t, false>::do_encoding() const noexcept
{
return 0;
}
bool
__codecvt_utf16<char16_t, false>::do_always_noconv() const noexcept
{
return false;
}
int
__codecvt_utf16<char16_t, false>::do_length(state_type&,
const extern_type* frm, const extern_type* frm_end, size_t mx) const
{
const uint8_t* _frm = reinterpret_cast<const uint8_t*>(frm);
const uint8_t* _frm_end = reinterpret_cast<const uint8_t*>(frm_end);
return utf16be_to_ucs2_length(_frm, _frm_end, mx, _Maxcode_, _Mode_);
}
int
__codecvt_utf16<char16_t, false>::do_max_length() const noexcept
{
if (_Mode_ & consume_header)
return 4;
return 2;
}
// __codecvt_utf16<char16_t, true>
__codecvt_utf16<char16_t, true>::result
__codecvt_utf16<char16_t, true>::do_out(state_type&,
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
{
const uint16_t* _frm = reinterpret_cast<const uint16_t*>(frm);
const uint16_t* _frm_end = reinterpret_cast<const uint16_t*>(frm_end);
const uint16_t* _frm_nxt = _frm;
uint8_t* _to = reinterpret_cast<uint8_t*>(to);
uint8_t* _to_end = reinterpret_cast<uint8_t*>(to_end);
uint8_t* _to_nxt = _to;
result r = ucs2_to_utf16le(_frm, _frm_end, _frm_nxt, _to, _to_end, _to_nxt,
_Maxcode_, _Mode_);
frm_nxt = frm + (_frm_nxt - _frm);
to_nxt = to + (_to_nxt - _to);
return r;
}
__codecvt_utf16<char16_t, true>::result
__codecvt_utf16<char16_t, true>::do_in(state_type&,
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
{
const uint8_t* _frm = reinterpret_cast<const uint8_t*>(frm);
const uint8_t* _frm_end = reinterpret_cast<const uint8_t*>(frm_end);
const uint8_t* _frm_nxt = _frm;
uint16_t* _to = reinterpret_cast<uint16_t*>(to);
uint16_t* _to_end = reinterpret_cast<uint16_t*>(to_end);
uint16_t* _to_nxt = _to;
result r = utf16le_to_ucs2(_frm, _frm_end, _frm_nxt, _to, _to_end, _to_nxt,
_Maxcode_, _Mode_);
frm_nxt = frm + (_frm_nxt - _frm);
to_nxt = to + (_to_nxt - _to);
return r;
}
__codecvt_utf16<char16_t, true>::result
__codecvt_utf16<char16_t, true>::do_unshift(state_type&,
extern_type* to, extern_type*, extern_type*& to_nxt) const
{
to_nxt = to;
return noconv;
}
int
__codecvt_utf16<char16_t, true>::do_encoding() const noexcept
{
return 0;
}
bool
__codecvt_utf16<char16_t, true>::do_always_noconv() const noexcept
{
return false;
}
int
__codecvt_utf16<char16_t, true>::do_length(state_type&,
const extern_type* frm, const extern_type* frm_end, size_t mx) const
{
const uint8_t* _frm = reinterpret_cast<const uint8_t*>(frm);
const uint8_t* _frm_end = reinterpret_cast<const uint8_t*>(frm_end);
return utf16le_to_ucs2_length(_frm, _frm_end, mx, _Maxcode_, _Mode_);
}
int
__codecvt_utf16<char16_t, true>::do_max_length() const noexcept
{
if (_Mode_ & consume_header)
return 4;
return 2;
}
// __codecvt_utf16<char32_t, false>
__codecvt_utf16<char32_t, false>::result
__codecvt_utf16<char32_t, false>::do_out(state_type&,
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
{
const uint32_t* _frm = reinterpret_cast<const uint32_t*>(frm);
const uint32_t* _frm_end = reinterpret_cast<const uint32_t*>(frm_end);
const uint32_t* _frm_nxt = _frm;
uint8_t* _to = reinterpret_cast<uint8_t*>(to);
uint8_t* _to_end = reinterpret_cast<uint8_t*>(to_end);
uint8_t* _to_nxt = _to;
result r = ucs4_to_utf16be(_frm, _frm_end, _frm_nxt, _to, _to_end, _to_nxt,
_Maxcode_, _Mode_);
frm_nxt = frm + (_frm_nxt - _frm);
to_nxt = to + (_to_nxt - _to);
return r;
}
__codecvt_utf16<char32_t, false>::result
__codecvt_utf16<char32_t, false>::do_in(state_type&,
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
{
const uint8_t* _frm = reinterpret_cast<const uint8_t*>(frm);
const uint8_t* _frm_end = reinterpret_cast<const uint8_t*>(frm_end);
const uint8_t* _frm_nxt = _frm;
uint32_t* _to = reinterpret_cast<uint32_t*>(to);
uint32_t* _to_end = reinterpret_cast<uint32_t*>(to_end);
uint32_t* _to_nxt = _to;
result r = utf16be_to_ucs4(_frm, _frm_end, _frm_nxt, _to, _to_end, _to_nxt,
_Maxcode_, _Mode_);
frm_nxt = frm + (_frm_nxt - _frm);
to_nxt = to + (_to_nxt - _to);
return r;
}
__codecvt_utf16<char32_t, false>::result
__codecvt_utf16<char32_t, false>::do_unshift(state_type&,
extern_type* to, extern_type*, extern_type*& to_nxt) const
{
to_nxt = to;
return noconv;
}
int
__codecvt_utf16<char32_t, false>::do_encoding() const noexcept
{
return 0;
}
bool
__codecvt_utf16<char32_t, false>::do_always_noconv() const noexcept
{
return false;
}
int
__codecvt_utf16<char32_t, false>::do_length(state_type&,
const extern_type* frm, const extern_type* frm_end, size_t mx) const
{
const uint8_t* _frm = reinterpret_cast<const uint8_t*>(frm);
const uint8_t* _frm_end = reinterpret_cast<const uint8_t*>(frm_end);
return utf16be_to_ucs4_length(_frm, _frm_end, mx, _Maxcode_, _Mode_);
}
int
__codecvt_utf16<char32_t, false>::do_max_length() const noexcept
{
if (_Mode_ & consume_header)
return 6;
return 4;
}
// __codecvt_utf16<char32_t, true>
__codecvt_utf16<char32_t, true>::result
__codecvt_utf16<char32_t, true>::do_out(state_type&,
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
{
const uint32_t* _frm = reinterpret_cast<const uint32_t*>(frm);
const uint32_t* _frm_end = reinterpret_cast<const uint32_t*>(frm_end);
const uint32_t* _frm_nxt = _frm;
uint8_t* _to = reinterpret_cast<uint8_t*>(to);
uint8_t* _to_end = reinterpret_cast<uint8_t*>(to_end);
uint8_t* _to_nxt = _to;
result r = ucs4_to_utf16le(_frm, _frm_end, _frm_nxt, _to, _to_end, _to_nxt,
_Maxcode_, _Mode_);
frm_nxt = frm + (_frm_nxt - _frm);
to_nxt = to + (_to_nxt - _to);
return r;
}
__codecvt_utf16<char32_t, true>::result
__codecvt_utf16<char32_t, true>::do_in(state_type&,
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
{
const uint8_t* _frm = reinterpret_cast<const uint8_t*>(frm);
const uint8_t* _frm_end = reinterpret_cast<const uint8_t*>(frm_end);
const uint8_t* _frm_nxt = _frm;
uint32_t* _to = reinterpret_cast<uint32_t*>(to);
uint32_t* _to_end = reinterpret_cast<uint32_t*>(to_end);
uint32_t* _to_nxt = _to;
result r = utf16le_to_ucs4(_frm, _frm_end, _frm_nxt, _to, _to_end, _to_nxt,
_Maxcode_, _Mode_);
frm_nxt = frm + (_frm_nxt - _frm);
to_nxt = to + (_to_nxt - _to);
return r;
}
__codecvt_utf16<char32_t, true>::result
__codecvt_utf16<char32_t, true>::do_unshift(state_type&,
extern_type* to, extern_type*, extern_type*& to_nxt) const
{
to_nxt = to;
return noconv;
}
int
__codecvt_utf16<char32_t, true>::do_encoding() const noexcept
{
return 0;
}
bool
__codecvt_utf16<char32_t, true>::do_always_noconv() const noexcept
{
return false;
}
int
__codecvt_utf16<char32_t, true>::do_length(state_type&,
const extern_type* frm, const extern_type* frm_end, size_t mx) const
{
const uint8_t* _frm = reinterpret_cast<const uint8_t*>(frm);
const uint8_t* _frm_end = reinterpret_cast<const uint8_t*>(frm_end);
return utf16le_to_ucs4_length(_frm, _frm_end, mx, _Maxcode_, _Mode_);
}
int
__codecvt_utf16<char32_t, true>::do_max_length() const noexcept
{
if (_Mode_ & consume_header)
return 6;
return 4;
}
// __codecvt_utf8_utf16<wchar_t>
#ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS
__codecvt_utf8_utf16<wchar_t>::result
__codecvt_utf8_utf16<wchar_t>::do_out(state_type&,
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
{
#if defined(_LIBCPP_SHORT_WCHAR)
const uint16_t* _frm = reinterpret_cast<const uint16_t*>(frm);
const uint16_t* _frm_end = reinterpret_cast<const uint16_t*>(frm_end);
const uint16_t* _frm_nxt = _frm;
#else
const uint32_t* _frm = reinterpret_cast<const uint32_t*>(frm);
const uint32_t* _frm_end = reinterpret_cast<const uint32_t*>(frm_end);
const uint32_t* _frm_nxt = _frm;
#endif
uint8_t* _to = reinterpret_cast<uint8_t*>(to);
uint8_t* _to_end = reinterpret_cast<uint8_t*>(to_end);
uint8_t* _to_nxt = _to;
result r = utf16_to_utf8(_frm, _frm_end, _frm_nxt, _to, _to_end, _to_nxt,
_Maxcode_, _Mode_);
frm_nxt = frm + (_frm_nxt - _frm);
to_nxt = to + (_to_nxt - _to);
return r;
}
__codecvt_utf8_utf16<wchar_t>::result
__codecvt_utf8_utf16<wchar_t>::do_in(state_type&,
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
{
const uint8_t* _frm = reinterpret_cast<const uint8_t*>(frm);
const uint8_t* _frm_end = reinterpret_cast<const uint8_t*>(frm_end);
const uint8_t* _frm_nxt = _frm;
#if defined(_LIBCPP_SHORT_WCHAR)
uint16_t* _to = reinterpret_cast<uint16_t*>(to);
uint16_t* _to_end = reinterpret_cast<uint16_t*>(to_end);
uint16_t* _to_nxt = _to;
#else
uint32_t* _to = reinterpret_cast<uint32_t*>(to);
uint32_t* _to_end = reinterpret_cast<uint32_t*>(to_end);
uint32_t* _to_nxt = _to;
#endif
result r = utf8_to_utf16(_frm, _frm_end, _frm_nxt, _to, _to_end, _to_nxt,
_Maxcode_, _Mode_);
frm_nxt = frm + (_frm_nxt - _frm);
to_nxt = to + (_to_nxt - _to);
return r;
}
__codecvt_utf8_utf16<wchar_t>::result
__codecvt_utf8_utf16<wchar_t>::do_unshift(state_type&,
extern_type* to, extern_type*, extern_type*& to_nxt) const
{
to_nxt = to;
return noconv;
}
int
__codecvt_utf8_utf16<wchar_t>::do_encoding() const noexcept
{
return 0;
}
bool
__codecvt_utf8_utf16<wchar_t>::do_always_noconv() const noexcept
{
return false;
}
int
__codecvt_utf8_utf16<wchar_t>::do_length(state_type&,
const extern_type* frm, const extern_type* frm_end, size_t mx) const
{
const uint8_t* _frm = reinterpret_cast<const uint8_t*>(frm);
const uint8_t* _frm_end = reinterpret_cast<const uint8_t*>(frm_end);
return utf8_to_utf16_length(_frm, _frm_end, mx, _Maxcode_, _Mode_);
}
int
__codecvt_utf8_utf16<wchar_t>::do_max_length() const noexcept
{
if (_Mode_ & consume_header)
return 7;
return 4;
}
#endif // _LIBCPP_HAS_NO_WIDE_CHARACTERS
// __codecvt_utf8_utf16<char16_t>
__codecvt_utf8_utf16<char16_t>::result
__codecvt_utf8_utf16<char16_t>::do_out(state_type&,
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
{
const uint16_t* _frm = reinterpret_cast<const uint16_t*>(frm);
const uint16_t* _frm_end = reinterpret_cast<const uint16_t*>(frm_end);
const uint16_t* _frm_nxt = _frm;
uint8_t* _to = reinterpret_cast<uint8_t*>(to);
uint8_t* _to_end = reinterpret_cast<uint8_t*>(to_end);
uint8_t* _to_nxt = _to;
result r = utf16_to_utf8(_frm, _frm_end, _frm_nxt, _to, _to_end, _to_nxt,
_Maxcode_, _Mode_);
frm_nxt = frm + (_frm_nxt - _frm);
to_nxt = to + (_to_nxt - _to);
return r;
}
__codecvt_utf8_utf16<char16_t>::result
__codecvt_utf8_utf16<char16_t>::do_in(state_type&,
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
{
const uint8_t* _frm = reinterpret_cast<const uint8_t*>(frm);
const uint8_t* _frm_end = reinterpret_cast<const uint8_t*>(frm_end);
const uint8_t* _frm_nxt = _frm;
uint16_t* _to = reinterpret_cast<uint16_t*>(to);
uint16_t* _to_end = reinterpret_cast<uint16_t*>(to_end);
uint16_t* _to_nxt = _to;
result r = utf8_to_utf16(_frm, _frm_end, _frm_nxt, _to, _to_end, _to_nxt,
_Maxcode_, _Mode_);
frm_nxt = frm + (_frm_nxt - _frm);
to_nxt = to + (_to_nxt - _to);
return r;
}
__codecvt_utf8_utf16<char16_t>::result
__codecvt_utf8_utf16<char16_t>::do_unshift(state_type&,
extern_type* to, extern_type*, extern_type*& to_nxt) const
{
to_nxt = to;
return noconv;
}
int
__codecvt_utf8_utf16<char16_t>::do_encoding() const noexcept
{
return 0;
}
bool
__codecvt_utf8_utf16<char16_t>::do_always_noconv() const noexcept
{
return false;
}
int
__codecvt_utf8_utf16<char16_t>::do_length(state_type&,
const extern_type* frm, const extern_type* frm_end, size_t mx) const
{
const uint8_t* _frm = reinterpret_cast<const uint8_t*>(frm);
const uint8_t* _frm_end = reinterpret_cast<const uint8_t*>(frm_end);
return utf8_to_utf16_length(_frm, _frm_end, mx, _Maxcode_, _Mode_);
}
int
__codecvt_utf8_utf16<char16_t>::do_max_length() const noexcept
{
if (_Mode_ & consume_header)
return 7;
return 4;
}
// __codecvt_utf8_utf16<char32_t>
__codecvt_utf8_utf16<char32_t>::result
__codecvt_utf8_utf16<char32_t>::do_out(state_type&,
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
{
const uint32_t* _frm = reinterpret_cast<const uint32_t*>(frm);
const uint32_t* _frm_end = reinterpret_cast<const uint32_t*>(frm_end);
const uint32_t* _frm_nxt = _frm;
uint8_t* _to = reinterpret_cast<uint8_t*>(to);
uint8_t* _to_end = reinterpret_cast<uint8_t*>(to_end);
uint8_t* _to_nxt = _to;
result r = utf16_to_utf8(_frm, _frm_end, _frm_nxt, _to, _to_end, _to_nxt,
_Maxcode_, _Mode_);
frm_nxt = frm + (_frm_nxt - _frm);
to_nxt = to + (_to_nxt - _to);
return r;
}
__codecvt_utf8_utf16<char32_t>::result
__codecvt_utf8_utf16<char32_t>::do_in(state_type&,
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
{
const uint8_t* _frm = reinterpret_cast<const uint8_t*>(frm);
const uint8_t* _frm_end = reinterpret_cast<const uint8_t*>(frm_end);
const uint8_t* _frm_nxt = _frm;
uint32_t* _to = reinterpret_cast<uint32_t*>(to);
uint32_t* _to_end = reinterpret_cast<uint32_t*>(to_end);
uint32_t* _to_nxt = _to;
result r = utf8_to_utf16(_frm, _frm_end, _frm_nxt, _to, _to_end, _to_nxt,
_Maxcode_, _Mode_);
frm_nxt = frm + (_frm_nxt - _frm);
to_nxt = to + (_to_nxt - _to);
return r;
}
__codecvt_utf8_utf16<char32_t>::result
__codecvt_utf8_utf16<char32_t>::do_unshift(state_type&,
extern_type* to, extern_type*, extern_type*& to_nxt) const
{
to_nxt = to;
return noconv;
}
int
__codecvt_utf8_utf16<char32_t>::do_encoding() const noexcept
{
return 0;
}
bool
__codecvt_utf8_utf16<char32_t>::do_always_noconv() const noexcept
{
return false;
}
int
__codecvt_utf8_utf16<char32_t>::do_length(state_type&,
const extern_type* frm, const extern_type* frm_end, size_t mx) const
{
const uint8_t* _frm = reinterpret_cast<const uint8_t*>(frm);
const uint8_t* _frm_end = reinterpret_cast<const uint8_t*>(frm_end);
return utf8_to_utf16_length(_frm, _frm_end, mx, _Maxcode_, _Mode_);
}
int
__codecvt_utf8_utf16<char32_t>::do_max_length() const noexcept
{
if (_Mode_ & consume_header)
return 7;
return 4;
}
// __narrow_to_utf8<16>
__narrow_to_utf8<16>::~__narrow_to_utf8()
{
}
// __narrow_to_utf8<32>
__narrow_to_utf8<32>::~__narrow_to_utf8()
{
}
// __widen_from_utf8<16>
__widen_from_utf8<16>::~__widen_from_utf8()
{
}
// __widen_from_utf8<32>
__widen_from_utf8<32>::~__widen_from_utf8()
{
}
#ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS
static bool checked_string_to_wchar_convert(wchar_t& dest,
const char* ptr,
locale_t loc) {
if (*ptr == '\0')
return false;
mbstate_t mb = {};
wchar_t out;
size_t ret = __libcpp_mbrtowc_l(&out, ptr, strlen(ptr), &mb, loc);
if (ret == static_cast<size_t>(-1) || ret == static_cast<size_t>(-2)) {
return false;
}
dest = out;
return true;
}
#endif // _LIBCPP_HAS_NO_WIDE_CHARACTERS
#ifdef _LIBCPP_HAS_NO_WIDE_CHARACTERS
static bool is_narrow_non_breaking_space(const char* ptr) {
// https://www.fileformat.info/info/unicode/char/202f/index.htm
return ptr[0] == '\xe2' && ptr[1] == '\x80' && ptr[2] == '\xaf';
}
static bool is_non_breaking_space(const char* ptr) {
// https://www.fileformat.info/info/unicode/char/0a/index.htm
return ptr[0] == '\xc2' && ptr[1] == '\xa0';
}
#endif // _LIBCPP_HAS_NO_WIDE_CHARACTERS
static bool checked_string_to_char_convert(char& dest,
const char* ptr,
locale_t __loc) {
if (*ptr == '\0')
return false;
if (!ptr[1]) {
dest = *ptr;
return true;
}
#ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS
// First convert the MBS into a wide char then attempt to narrow it using
// wctob_l.
wchar_t wout;
if (!checked_string_to_wchar_convert(wout, ptr, __loc))
return false;
int res;
if ((res = __libcpp_wctob_l(wout, __loc)) != char_traits<char>::eof()) {
dest = res;
return true;
}
// FIXME: Work around specific multibyte sequences that we can reasonably
// translate into a different single byte.
switch (wout) {
case L'\u202F': // narrow non-breaking space
case L'\u00A0': // non-breaking space
dest = ' ';
return true;
default:
return false;
}
#else // _LIBCPP_HAS_NO_WIDE_CHARACTERS
// FIXME: Work around specific multibyte sequences that we can reasonably
// translate into a different single byte.
if (is_narrow_non_breaking_space(ptr) || is_non_breaking_space(ptr)) {
dest = ' ';
return true;
}
return false;
#endif // _LIBCPP_HAS_NO_WIDE_CHARACTERS
_LIBCPP_UNREACHABLE();
}
// numpunct<char> && numpunct<wchar_t>
locale::id numpunct< char >::id;
#ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS
locale::id numpunct<wchar_t>::id;
#endif
numpunct<char>::numpunct(size_t refs)
: locale::facet(refs),
__decimal_point_('.'),
__thousands_sep_(',')
{
}
#ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS
numpunct<wchar_t>::numpunct(size_t refs)
: locale::facet(refs),
__decimal_point_(L'.'),
__thousands_sep_(L',')
{
}
#endif
numpunct<char>::~numpunct()
{
}
#ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS
numpunct<wchar_t>::~numpunct()
{
}
#endif
char numpunct< char >::do_decimal_point() const {return __decimal_point_;}
#ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS
wchar_t numpunct<wchar_t>::do_decimal_point() const {return __decimal_point_;}
#endif
char numpunct< char >::do_thousands_sep() const {return __thousands_sep_;}
#ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS
wchar_t numpunct<wchar_t>::do_thousands_sep() const {return __thousands_sep_;}
#endif
string numpunct< char >::do_grouping() const {return __grouping_;}
#ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS
string numpunct<wchar_t>::do_grouping() const {return __grouping_;}
#endif
string numpunct< char >::do_truename() const {return "true";}
#ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS
wstring numpunct<wchar_t>::do_truename() const {return L"true";}
#endif
string numpunct< char >::do_falsename() const {return "false";}
#ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS
wstring numpunct<wchar_t>::do_falsename() const {return L"false";}
#endif
// numpunct_byname<char>
numpunct_byname<char>::numpunct_byname(const char* nm, size_t refs)
: numpunct<char>(refs)
{
__init(nm);
}
numpunct_byname<char>::numpunct_byname(const string& nm, size_t refs)
: numpunct<char>(refs)
{
__init(nm.c_str());
}
numpunct_byname<char>::~numpunct_byname()
{
}
void
numpunct_byname<char>::__init(const char* nm)
{
typedef numpunct<char> base;
if (strcmp(nm, "C") != 0)
{
__libcpp_unique_locale loc(nm);
if (!loc)
__throw_runtime_error("numpunct_byname<char>::numpunct_byname"
" failed to construct for " + string(nm));
lconv* lc = __libcpp_localeconv_l(loc.get());
if (!checked_string_to_char_convert(__decimal_point_, lc->decimal_point,
loc.get()))
__decimal_point_ = base::do_decimal_point();
if (!checked_string_to_char_convert(__thousands_sep_, lc->thousands_sep,
loc.get()))
__thousands_sep_ = base::do_thousands_sep();
__grouping_ = lc->grouping;
// localization for truename and falsename is not available
}
}
// numpunct_byname<wchar_t>
#ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS
numpunct_byname<wchar_t>::numpunct_byname(const char* nm, size_t refs)
: numpunct<wchar_t>(refs)
{
__init(nm);
}
numpunct_byname<wchar_t>::numpunct_byname(const string& nm, size_t refs)
: numpunct<wchar_t>(refs)
{
__init(nm.c_str());
}
numpunct_byname<wchar_t>::~numpunct_byname()
{
}
void
numpunct_byname<wchar_t>::__init(const char* nm)
{
if (strcmp(nm, "C") != 0)
{
__libcpp_unique_locale loc(nm);
if (!loc)
__throw_runtime_error("numpunct_byname<wchar_t>::numpunct_byname"
" failed to construct for " + string(nm));
lconv* lc = __libcpp_localeconv_l(loc.get());
checked_string_to_wchar_convert(__decimal_point_, lc->decimal_point,
loc.get());
checked_string_to_wchar_convert(__thousands_sep_, lc->thousands_sep,
loc.get());
__grouping_ = lc->grouping;
// localization for truename and falsename is not available
}
}
#endif // _LIBCPP_HAS_NO_WIDE_CHARACTERS
// num_get helpers
int
__num_get_base::__get_base(ios_base& iob)
{
ios_base::fmtflags __basefield = iob.flags() & ios_base::basefield;
if (__basefield == ios_base::oct)
return 8;
else if (__basefield == ios_base::hex)
return 16;
else if (__basefield == 0)
return 0;
return 10;
}
const char __num_get_base::__src[33] = "0123456789abcdefABCDEFxX+-pPiInN";
void
__check_grouping(const string& __grouping, unsigned* __g, unsigned* __g_end,
ios_base::iostate& __err)
{
// if the grouping pattern is empty _or_ there are no grouping bits, then do nothing
// we always have at least a single entry in [__g, __g_end); the end of the input sequence
if (__grouping.size() != 0 && __g_end - __g > 1)
{
reverse(__g, __g_end);
const char* __ig = __grouping.data();
const char* __eg = __ig + __grouping.size();
for (unsigned* __r = __g; __r < __g_end-1; ++__r)
{
if (0 < *__ig && *__ig < numeric_limits<char>::max())
{
if (static_cast<unsigned>(*__ig) != *__r)
{
__err = ios_base::failbit;
return;
}
}
if (__eg - __ig > 1)
++__ig;
}
if (0 < *__ig && *__ig < numeric_limits<char>::max())
{
if (static_cast<unsigned>(*__ig) < __g_end[-1] || __g_end[-1] == 0)
__err = ios_base::failbit;
}
}
}
void
__num_put_base::__format_int(char* __fmtp, const char* __len, bool __signd,
ios_base::fmtflags __flags)
{
if ((__flags & ios_base::showpos) &&
(__flags & ios_base::basefield) != ios_base::oct &&
(__flags & ios_base::basefield) != ios_base::hex &&
__signd)
*__fmtp++ = '+';
if (__flags & ios_base::showbase)
*__fmtp++ = '#';
while(*__len)
*__fmtp++ = *__len++;
if ((__flags & ios_base::basefield) == ios_base::oct)
*__fmtp = 'o';
else if ((__flags & ios_base::basefield) == ios_base::hex)
{
if (__flags & ios_base::uppercase)
*__fmtp = 'X';
else
*__fmtp = 'x';
}
else if (__signd)
*__fmtp = 'd';
else
*__fmtp = 'u';
}
bool
__num_put_base::__format_float(char* __fmtp, const char* __len,
ios_base::fmtflags __flags)
{
bool specify_precision = true;
if (__flags & ios_base::showpos)
*__fmtp++ = '+';
if (__flags & ios_base::showpoint)
*__fmtp++ = '#';
ios_base::fmtflags floatfield = __flags & ios_base::floatfield;
bool uppercase = (__flags & ios_base::uppercase) != 0;
if (floatfield == (ios_base::fixed | ios_base::scientific))
specify_precision = false;
else
{
*__fmtp++ = '.';
*__fmtp++ = '*';
}
while(*__len)
*__fmtp++ = *__len++;
if (floatfield == ios_base::fixed)
{
if (uppercase)
*__fmtp = 'F';
else
*__fmtp = 'f';
}
else if (floatfield == ios_base::scientific)
{
if (uppercase)
*__fmtp = 'E';
else
*__fmtp = 'e';
}
else if (floatfield == (ios_base::fixed | ios_base::scientific))
{
if (uppercase)
*__fmtp = 'A';
else
*__fmtp = 'a';
}
else
{
if (uppercase)
*__fmtp = 'G';
else
*__fmtp = 'g';
}
return specify_precision;
}
char*
__num_put_base::__identify_padding(char* __nb, char* __ne,
const ios_base& __iob)
{
switch (__iob.flags() & ios_base::adjustfield)
{
case ios_base::internal:
if (__nb[0] == '-' || __nb[0] == '+')
return __nb+1;
if (__ne - __nb >= 2 && __nb[0] == '0'
&& (__nb[1] == 'x' || __nb[1] == 'X'))
return __nb+2;
break;
case ios_base::left:
return __ne;
case ios_base::right:
default:
break;
}
return __nb;
}
// time_get
static
string*
init_weeks()
{
static string weeks[14];
weeks[0] = "Sunday";
weeks[1] = "Monday";
weeks[2] = "Tuesday";
weeks[3] = "Wednesday";
weeks[4] = "Thursday";
weeks[5] = "Friday";
weeks[6] = "Saturday";
weeks[7] = "Sun";
weeks[8] = "Mon";
weeks[9] = "Tue";
weeks[10] = "Wed";
weeks[11] = "Thu";
weeks[12] = "Fri";
weeks[13] = "Sat";
return weeks;
}
#ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS
static
wstring*
init_wweeks()
{
static wstring weeks[14];
weeks[0] = L"Sunday";
weeks[1] = L"Monday";
weeks[2] = L"Tuesday";
weeks[3] = L"Wednesday";
weeks[4] = L"Thursday";
weeks[5] = L"Friday";
weeks[6] = L"Saturday";
weeks[7] = L"Sun";
weeks[8] = L"Mon";
weeks[9] = L"Tue";
weeks[10] = L"Wed";
weeks[11] = L"Thu";
weeks[12] = L"Fri";
weeks[13] = L"Sat";
return weeks;
}
#endif
template <>
const string*
__time_get_c_storage<char>::__weeks() const
{
static const string* weeks = init_weeks();
return weeks;
}
#ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS
template <>
const wstring*
__time_get_c_storage<wchar_t>::__weeks() const
{
static const wstring* weeks = init_wweeks();
return weeks;
}
#endif
static
string*
init_months()
{
static string months[24];
months[0] = "January";
months[1] = "February";
months[2] = "March";
months[3] = "April";
months[4] = "May";
months[5] = "June";
months[6] = "July";
months[7] = "August";
months[8] = "September";
months[9] = "October";
months[10] = "November";
months[11] = "December";
months[12] = "Jan";
months[13] = "Feb";
months[14] = "Mar";
months[15] = "Apr";
months[16] = "May";
months[17] = "Jun";
months[18] = "Jul";
months[19] = "Aug";
months[20] = "Sep";
months[21] = "Oct";
months[22] = "Nov";
months[23] = "Dec";
return months;
}
#ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS
static
wstring*
init_wmonths()
{
static wstring months[24];
months[0] = L"January";
months[1] = L"February";
months[2] = L"March";
months[3] = L"April";
months[4] = L"May";
months[5] = L"June";
months[6] = L"July";
months[7] = L"August";
months[8] = L"September";
months[9] = L"October";
months[10] = L"November";
months[11] = L"December";
months[12] = L"Jan";
months[13] = L"Feb";
months[14] = L"Mar";
months[15] = L"Apr";
months[16] = L"May";
months[17] = L"Jun";
months[18] = L"Jul";
months[19] = L"Aug";
months[20] = L"Sep";
months[21] = L"Oct";
months[22] = L"Nov";
months[23] = L"Dec";
return months;
}
#endif
template <>
const string*
__time_get_c_storage<char>::__months() const
{
static const string* months = init_months();
return months;
}
#ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS
template <>
const wstring*
__time_get_c_storage<wchar_t>::__months() const
{
static const wstring* months = init_wmonths();
return months;
}
#endif
static
string*
init_am_pm()
{
static string am_pm[2];
am_pm[0] = "AM";
am_pm[1] = "PM";
return am_pm;
}
#ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS
static
wstring*
init_wam_pm()
{
static wstring am_pm[2];
am_pm[0] = L"AM";
am_pm[1] = L"PM";
return am_pm;
}
#endif
template <>
const string*
__time_get_c_storage<char>::__am_pm() const
{
static const string* am_pm = init_am_pm();
return am_pm;
}
#ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS
template <>
const wstring*
__time_get_c_storage<wchar_t>::__am_pm() const
{
static const wstring* am_pm = init_wam_pm();
return am_pm;
}
#endif
template <>
const string&
__time_get_c_storage<char>::__x() const
{
static string s("%m/%d/%y");
return s;
}
#ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS
template <>
const wstring&
__time_get_c_storage<wchar_t>::__x() const
{
static wstring s(L"%m/%d/%y");
return s;
}
#endif
template <>
const string&
__time_get_c_storage<char>::__X() const
{
static string s("%H:%M:%S");
return s;
}
#ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS
template <>
const wstring&
__time_get_c_storage<wchar_t>::__X() const
{
static wstring s(L"%H:%M:%S");
return s;
}
#endif
template <>
const string&
__time_get_c_storage<char>::__c() const
{
static string s("%a %b %d %H:%M:%S %Y");
return s;
}
#ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS
template <>
const wstring&
__time_get_c_storage<wchar_t>::__c() const
{
static wstring s(L"%a %b %d %H:%M:%S %Y");
return s;
}
#endif
template <>
const string&
__time_get_c_storage<char>::__r() const
{
static string s("%I:%M:%S %p");
return s;
}
#ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS
template <>
const wstring&
__time_get_c_storage<wchar_t>::__r() const
{
static wstring s(L"%I:%M:%S %p");
return s;
}
#endif
// time_get_byname
__time_get::__time_get(const char* nm)
: __loc_(newlocale(LC_ALL_MASK, nm, 0))
{
if (__loc_ == 0)
__throw_runtime_error("time_get_byname"
" failed to construct for " + string(nm));
}
__time_get::__time_get(const string& nm)
: __loc_(newlocale(LC_ALL_MASK, nm.c_str(), 0))
{
if (__loc_ == 0)
__throw_runtime_error("time_get_byname"
" failed to construct for " + nm);
}
__time_get::~__time_get()
{
freelocale(__loc_);
}
#if defined(__clang__)
#pragma clang diagnostic ignored "-Wmissing-field-initializers"
#endif
#if defined(__GNUG__)
#pragma GCC diagnostic ignored "-Wmissing-field-initializers"
#endif
template <>
string
__time_get_storage<char>::__analyze(char fmt, const ctype<char>& ct)
{
tm t = {0};
t.tm_sec = 59;
t.tm_min = 55;
t.tm_hour = 23;
t.tm_mday = 31;
t.tm_mon = 11;
t.tm_year = 161;
t.tm_wday = 6;
t.tm_yday = 364;
t.tm_isdst = -1;
char buf[100];
char f[3] = {0};
f[0] = '%';
f[1] = fmt;
size_t n = strftime_l(buf, countof(buf), f, &t, __loc_);
char* bb = buf;
char* be = buf + n;
string result;
while (bb != be)
{
if (ct.is(ctype_base::space, *bb))
{
result.push_back(' ');
for (++bb; bb != be && ct.is(ctype_base::space, *bb); ++bb)
;
continue;
}
char* w = bb;
ios_base::iostate err = ios_base::goodbit;
ptrdiff_t i = __scan_keyword(w, be, this->__weeks_, this->__weeks_+14,
ct, err, false)
- this->__weeks_;
if (i < 14)
{
result.push_back('%');
if (i < 7)
result.push_back('A');
else
result.push_back('a');
bb = w;
continue;
}
w = bb;
i = __scan_keyword(w, be, this->__months_, this->__months_+24,
ct, err, false)
- this->__months_;
if (i < 24)
{
result.push_back('%');
if (i < 12)
result.push_back('B');
else
result.push_back('b');
if (fmt == 'x' && ct.is(ctype_base::digit, this->__months_[i][0]))
result.back() = 'm';
bb = w;
continue;
}
if (this->__am_pm_[0].size() + this->__am_pm_[1].size() > 0)
{
w = bb;
i = __scan_keyword(w, be, this->__am_pm_, this->__am_pm_+2,
ct, err, false) - this->__am_pm_;
if (i < 2)
{
result.push_back('%');
result.push_back('p');
bb = w;
continue;
}
}
w = bb;
if (ct.is(ctype_base::digit, *bb))
{
switch(__get_up_to_n_digits(bb, be, err, ct, 4))
{
case 6:
result.push_back('%');
result.push_back('w');
break;
case 7:
result.push_back('%');
result.push_back('u');
break;
case 11:
result.push_back('%');
result.push_back('I');
break;
case 12:
result.push_back('%');
result.push_back('m');
break;
case 23:
result.push_back('%');
result.push_back('H');
break;
case 31:
result.push_back('%');
result.push_back('d');
break;
case 55:
result.push_back('%');
result.push_back('M');
break;
case 59:
result.push_back('%');
result.push_back('S');
break;
case 61:
result.push_back('%');
result.push_back('y');
break;
case 364:
result.push_back('%');
result.push_back('j');
break;
case 2061:
result.push_back('%');
result.push_back('Y');
break;
default:
for (; w != bb; ++w)
result.push_back(*w);
break;
}
continue;
}
if (*bb == '%')
{
result.push_back('%');
result.push_back('%');
++bb;
continue;
}
result.push_back(*bb);
++bb;
}
return result;
}
#if defined(__clang__)
#pragma clang diagnostic ignored "-Wmissing-braces"
#endif
#ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS
template <>
wstring
__time_get_storage<wchar_t>::__analyze(char fmt, const ctype<wchar_t>& ct)
{
tm t = {0};
t.tm_sec = 59;
t.tm_min = 55;
t.tm_hour = 23;
t.tm_mday = 31;
t.tm_mon = 11;
t.tm_year = 161;
t.tm_wday = 6;
t.tm_yday = 364;
t.tm_isdst = -1;
char buf[100];
char f[3] = {0};
f[0] = '%';
f[1] = fmt;
strftime_l(buf, countof(buf), f, &t, __loc_);
wchar_t wbuf[100];
wchar_t* wbb = wbuf;
mbstate_t mb = {0};
const char* bb = buf;
size_t j = __libcpp_mbsrtowcs_l( wbb, &bb, countof(wbuf), &mb, __loc_);
if (j == size_t(-1))
__throw_runtime_error("locale not supported");
wchar_t* wbe = wbb + j;
wstring result;
while (wbb != wbe)
{
if (ct.is(ctype_base::space, *wbb))
{
result.push_back(L' ');
for (++wbb; wbb != wbe && ct.is(ctype_base::space, *wbb); ++wbb)
;
continue;
}
wchar_t* w = wbb;
ios_base::iostate err = ios_base::goodbit;
ptrdiff_t i = __scan_keyword(w, wbe, this->__weeks_, this->__weeks_+14,
ct, err, false)
- this->__weeks_;
if (i < 14)
{
result.push_back(L'%');
if (i < 7)
result.push_back(L'A');
else
result.push_back(L'a');
wbb = w;
continue;
}
w = wbb;
i = __scan_keyword(w, wbe, this->__months_, this->__months_+24,
ct, err, false)
- this->__months_;
if (i < 24)
{
result.push_back(L'%');
if (i < 12)
result.push_back(L'B');
else
result.push_back(L'b');
if (fmt == 'x' && ct.is(ctype_base::digit, this->__months_[i][0]))
result.back() = L'm';
wbb = w;
continue;
}
if (this->__am_pm_[0].size() + this->__am_pm_[1].size() > 0)
{
w = wbb;
i = __scan_keyword(w, wbe, this->__am_pm_, this->__am_pm_+2,
ct, err, false) - this->__am_pm_;
if (i < 2)
{
result.push_back(L'%');
result.push_back(L'p');
wbb = w;
continue;
}
}
w = wbb;
if (ct.is(ctype_base::digit, *wbb))
{
switch(__get_up_to_n_digits(wbb, wbe, err, ct, 4))
{
case 6:
result.push_back(L'%');
result.push_back(L'w');
break;
case 7:
result.push_back(L'%');
result.push_back(L'u');
break;
case 11:
result.push_back(L'%');
result.push_back(L'I');
break;
case 12:
result.push_back(L'%');
result.push_back(L'm');
break;
case 23:
result.push_back(L'%');
result.push_back(L'H');
break;
case 31:
result.push_back(L'%');
result.push_back(L'd');
break;
case 55:
result.push_back(L'%');
result.push_back(L'M');
break;
case 59:
result.push_back(L'%');
result.push_back(L'S');
break;
case 61:
result.push_back(L'%');
result.push_back(L'y');
break;
case 364:
result.push_back(L'%');
result.push_back(L'j');
break;
case 2061:
result.push_back(L'%');
result.push_back(L'Y');
break;
default:
for (; w != wbb; ++w)
result.push_back(*w);
break;
}
continue;
}
if (ct.narrow(*wbb, 0) == '%')
{
result.push_back(L'%');
result.push_back(L'%');
++wbb;
continue;
}
result.push_back(*wbb);
++wbb;
}
return result;
}
#endif // _LIBCPP_HAS_NO_WIDE_CHARACTERS
template <>
void
__time_get_storage<char>::init(const ctype<char>& ct)
{
tm t = {0};
char buf[100];
// __weeks_
for (int i = 0; i < 7; ++i)
{
t.tm_wday = i;
strftime_l(buf, countof(buf), "%A", &t, __loc_);
__weeks_[i] = buf;
strftime_l(buf, countof(buf), "%a", &t, __loc_);
__weeks_[i+7] = buf;
}
// __months_
for (int i = 0; i < 12; ++i)
{
t.tm_mon = i;
strftime_l(buf, countof(buf), "%B", &t, __loc_);
__months_[i] = buf;
strftime_l(buf, countof(buf), "%b", &t, __loc_);
__months_[i+12] = buf;
}
// __am_pm_
t.tm_hour = 1;
strftime_l(buf, countof(buf), "%p", &t, __loc_);
__am_pm_[0] = buf;
t.tm_hour = 13;
strftime_l(buf, countof(buf), "%p", &t, __loc_);
__am_pm_[1] = buf;
__c_ = __analyze('c', ct);
__r_ = __analyze('r', ct);
__x_ = __analyze('x', ct);
__X_ = __analyze('X', ct);
}
#ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS
template <>
void
__time_get_storage<wchar_t>::init(const ctype<wchar_t>& ct)
{
tm t = {0};
char buf[100];
wchar_t wbuf[100];
wchar_t* wbe;
mbstate_t mb = {0};
// __weeks_
for (int i = 0; i < 7; ++i)
{
t.tm_wday = i;
strftime_l(buf, countof(buf), "%A", &t, __loc_);
mb = mbstate_t();
const char* bb = buf;
size_t j = __libcpp_mbsrtowcs_l(wbuf, &bb, countof(wbuf), &mb, __loc_);
if (j == size_t(-1) || j == 0)
__throw_runtime_error("locale not supported");
wbe = wbuf + j;
__weeks_[i].assign(wbuf, wbe);
strftime_l(buf, countof(buf), "%a", &t, __loc_);
mb = mbstate_t();
bb = buf;
j = __libcpp_mbsrtowcs_l(wbuf, &bb, countof(wbuf), &mb, __loc_);
if (j == size_t(-1) || j == 0)
__throw_runtime_error("locale not supported");
wbe = wbuf + j;
__weeks_[i+7].assign(wbuf, wbe);
}
// __months_
for (int i = 0; i < 12; ++i)
{
t.tm_mon = i;
strftime_l(buf, countof(buf), "%B", &t, __loc_);
mb = mbstate_t();
const char* bb = buf;
size_t j = __libcpp_mbsrtowcs_l(wbuf, &bb, countof(wbuf), &mb, __loc_);
if (j == size_t(-1) || j == 0)
__throw_runtime_error("locale not supported");
wbe = wbuf + j;
__months_[i].assign(wbuf, wbe);
strftime_l(buf, countof(buf), "%b", &t, __loc_);
mb = mbstate_t();
bb = buf;
j = __libcpp_mbsrtowcs_l(wbuf, &bb, countof(wbuf), &mb, __loc_);
if (j == size_t(-1) || j == 0)
__throw_runtime_error("locale not supported");
wbe = wbuf + j;
__months_[i+12].assign(wbuf, wbe);
}
// __am_pm_
t.tm_hour = 1;
strftime_l(buf, countof(buf), "%p", &t, __loc_);
mb = mbstate_t();
const char* bb = buf;
size_t j = __libcpp_mbsrtowcs_l(wbuf, &bb, countof(wbuf), &mb, __loc_);
if (j == size_t(-1))
__throw_runtime_error("locale not supported");
wbe = wbuf + j;
__am_pm_[0].assign(wbuf, wbe);
t.tm_hour = 13;
strftime_l(buf, countof(buf), "%p", &t, __loc_);
mb = mbstate_t();
bb = buf;
j = __libcpp_mbsrtowcs_l(wbuf, &bb, countof(wbuf), &mb, __loc_);
if (j == size_t(-1))
__throw_runtime_error("locale not supported");
wbe = wbuf + j;
__am_pm_[1].assign(wbuf, wbe);
__c_ = __analyze('c', ct);
__r_ = __analyze('r', ct);
__x_ = __analyze('x', ct);
__X_ = __analyze('X', ct);
}
#endif // _LIBCPP_HAS_NO_WIDE_CHARACTERS
template <class CharT>
struct _LIBCPP_HIDDEN __time_get_temp
: public ctype_byname<CharT>
{
explicit __time_get_temp(const char* nm)
: ctype_byname<CharT>(nm, 1) {}
explicit __time_get_temp(const string& nm)
: ctype_byname<CharT>(nm, 1) {}
};
template <>
__time_get_storage<char>::__time_get_storage(const char* __nm)
: __time_get(__nm)
{
const __time_get_temp<char> ct(__nm);
init(ct);
}
template <>
__time_get_storage<char>::__time_get_storage(const string& __nm)
: __time_get(__nm)
{
const __time_get_temp<char> ct(__nm);
init(ct);
}
#ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS
template <>
__time_get_storage<wchar_t>::__time_get_storage(const char* __nm)
: __time_get(__nm)
{
const __time_get_temp<wchar_t> ct(__nm);
init(ct);
}
template <>
__time_get_storage<wchar_t>::__time_get_storage(const string& __nm)
: __time_get(__nm)
{
const __time_get_temp<wchar_t> ct(__nm);
init(ct);
}
#endif // _LIBCPP_HAS_NO_WIDE_CHARACTERS
template <>
time_base::dateorder
__time_get_storage<char>::__do_date_order() const
{
unsigned i;
for (i = 0; i < __x_.size(); ++i)
if (__x_[i] == '%')
break;
++i;
switch (__x_[i])
{
case 'y':
case 'Y':
for (++i; i < __x_.size(); ++i)
if (__x_[i] == '%')
break;
if (i == __x_.size())
break;
++i;
switch (__x_[i])
{
case 'm':
for (++i; i < __x_.size(); ++i)
if (__x_[i] == '%')
break;
if (i == __x_.size())
break;
++i;
if (__x_[i] == 'd')
return time_base::ymd;
break;
case 'd':
for (++i; i < __x_.size(); ++i)
if (__x_[i] == '%')
break;
if (i == __x_.size())
break;
++i;
if (__x_[i] == 'm')
return time_base::ydm;
break;
}
break;
case 'm':
for (++i; i < __x_.size(); ++i)
if (__x_[i] == '%')
break;
if (i == __x_.size())
break;
++i;
if (__x_[i] == 'd')
{
for (++i; i < __x_.size(); ++i)
if (__x_[i] == '%')
break;
if (i == __x_.size())
break;
++i;
if (__x_[i] == 'y' || __x_[i] == 'Y')
return time_base::mdy;
break;
}
break;
case 'd':
for (++i; i < __x_.size(); ++i)
if (__x_[i] == '%')
break;
if (i == __x_.size())
break;
++i;
if (__x_[i] == 'm')
{
for (++i; i < __x_.size(); ++i)
if (__x_[i] == '%')
break;
if (i == __x_.size())
break;
++i;
if (__x_[i] == 'y' || __x_[i] == 'Y')
return time_base::dmy;
break;
}
break;
}
return time_base::no_order;
}
#ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS
template <>
time_base::dateorder
__time_get_storage<wchar_t>::__do_date_order() const
{
unsigned i;
for (i = 0; i < __x_.size(); ++i)
if (__x_[i] == L'%')
break;
++i;
switch (__x_[i])
{
case L'y':
case L'Y':
for (++i; i < __x_.size(); ++i)
if (__x_[i] == L'%')
break;
if (i == __x_.size())
break;
++i;
switch (__x_[i])
{
case L'm':
for (++i; i < __x_.size(); ++i)
if (__x_[i] == L'%')
break;
if (i == __x_.size())
break;
++i;
if (__x_[i] == L'd')
return time_base::ymd;
break;
case L'd':
for (++i; i < __x_.size(); ++i)
if (__x_[i] == L'%')
break;
if (i == __x_.size())
break;
++i;
if (__x_[i] == L'm')
return time_base::ydm;
break;
}
break;
case L'm':
for (++i; i < __x_.size(); ++i)
if (__x_[i] == L'%')
break;
if (i == __x_.size())
break;
++i;
if (__x_[i] == L'd')
{
for (++i; i < __x_.size(); ++i)
if (__x_[i] == L'%')
break;
if (i == __x_.size())
break;
++i;
if (__x_[i] == L'y' || __x_[i] == L'Y')
return time_base::mdy;
break;
}
break;
case L'd':
for (++i; i < __x_.size(); ++i)
if (__x_[i] == L'%')
break;
if (i == __x_.size())
break;
++i;
if (__x_[i] == L'm')
{
for (++i; i < __x_.size(); ++i)
if (__x_[i] == L'%')
break;
if (i == __x_.size())
break;
++i;
if (__x_[i] == L'y' || __x_[i] == L'Y')
return time_base::dmy;
break;
}
break;
}
return time_base::no_order;
}
#endif // _LIBCPP_HAS_NO_WIDE_CHARACTERS
// time_put
__time_put::__time_put(const char* nm)
: __loc_(newlocale(LC_ALL_MASK, nm, 0))
{
if (__loc_ == 0)
__throw_runtime_error("time_put_byname"
" failed to construct for " + string(nm));
}
__time_put::__time_put(const string& nm)
: __loc_(newlocale(LC_ALL_MASK, nm.c_str(), 0))
{
if (__loc_ == 0)
__throw_runtime_error("time_put_byname"
" failed to construct for " + nm);
}
__time_put::~__time_put()
{
if (__loc_ != _LIBCPP_GET_C_LOCALE)
freelocale(__loc_);
}
void
__time_put::__do_put(char* __nb, char*& __ne, const tm* __tm,
char __fmt, char __mod) const
{
char fmt[] = {'%', __fmt, __mod, 0};
if (__mod != 0)
swap(fmt[1], fmt[2]);
size_t n = strftime_l(__nb, countof(__nb, __ne), fmt, __tm, __loc_);
__ne = __nb + n;
}
#ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS
void
__time_put::__do_put(wchar_t* __wb, wchar_t*& __we, const tm* __tm,
char __fmt, char __mod) const
{
char __nar[100];
char* __ne = __nar + 100;
__do_put(__nar, __ne, __tm, __fmt, __mod);
mbstate_t mb = {0};
const char* __nb = __nar;
size_t j = __libcpp_mbsrtowcs_l(__wb, &__nb, countof(__wb, __we), &mb, __loc_);
if (j == size_t(-1))
__throw_runtime_error("locale not supported");
__we = __wb + j;
}
#endif // _LIBCPP_HAS_NO_WIDE_CHARACTERS
// moneypunct_byname
template <class charT>
static
void
__init_pat(money_base::pattern& pat, basic_string<charT>& __curr_symbol_,
bool intl, char cs_precedes, char sep_by_space, char sign_posn,
charT space_char)
{
const char sign = static_cast<char>(money_base::sign);
const char space = static_cast<char>(money_base::space);
const char none = static_cast<char>(money_base::none);
const char symbol = static_cast<char>(money_base::symbol);
const char value = static_cast<char>(money_base::value);
const bool symbol_contains_sep = intl && __curr_symbol_.size() == 4;
// Comments on case branches reflect 'C11 7.11.2.1 The localeconv
// function'. "Space between sign and symbol or value" means that
// if the sign is adjacent to the symbol, there's a space between
// them, and otherwise there's a space between the sign and value.
//
// C11's localeconv specifies that the fourth character of an
// international curr_symbol is used to separate the sign and
// value when sep_by_space says to do so. C++ can't represent
// that, so we just use a space. When sep_by_space says to
// separate the symbol and value-or-sign with a space, we rearrange the
// curr_symbol to put its spacing character on the correct side of
// the symbol.
//
// We also need to avoid adding an extra space between the sign
// and value when the currency symbol is suppressed (by not
// setting showbase). We match glibc's strfmon by interpreting
// sep_by_space==1 as "omit the space when the currency symbol is
// absent".
//
// Users who want to get this right should use ICU instead.
switch (cs_precedes)
{
case 0: // value before curr_symbol
if (symbol_contains_sep) {
// Move the separator to before the symbol, to place it
// between the value and symbol.
rotate(__curr_symbol_.begin(), __curr_symbol_.begin() + 3,
__curr_symbol_.end());
}
switch (sign_posn)
{
case 0: // Parentheses surround the quantity and currency symbol.
pat.field[0] = sign;
pat.field[1] = value;
pat.field[2] = none; // Any space appears in the symbol.
pat.field[3] = symbol;
switch (sep_by_space)
{
case 0: // No space separates the currency symbol and value.
// This case may have changed between C99 and C11;
// assume the currency symbol matches the intention.
case 2: // Space between sign and currency or value.
// The "sign" is two parentheses, so no space here either.
return;
case 1: // Space between currency-and-sign or currency and value.
if (!symbol_contains_sep) {
// We insert the space into the symbol instead of
// setting pat.field[2]=space so that when
// showbase is not set, the space goes away too.
__curr_symbol_.insert(0, 1, space_char);
}
return;
default:
break;
}
break;
case 1: // The sign string precedes the quantity and currency symbol.
pat.field[0] = sign;
pat.field[3] = symbol;
switch (sep_by_space)
{
case 0: // No space separates the currency symbol and value.
pat.field[1] = value;
pat.field[2] = none;
return;
case 1: // Space between currency-and-sign or currency and value.
pat.field[1] = value;
pat.field[2] = none;
if (!symbol_contains_sep) {
// We insert the space into the symbol instead of
// setting pat.field[2]=space so that when
// showbase is not set, the space goes away too.
__curr_symbol_.insert(0, 1, space_char);
}
return;
case 2: // Space between sign and currency or value.
pat.field[1] = space;
pat.field[2] = value;
if (symbol_contains_sep) {
// Remove the separator from the symbol, since it
// has already appeared after the sign.
__curr_symbol_.erase(__curr_symbol_.begin());
}
return;
default:
break;
}
break;
case 2: // The sign string succeeds the quantity and currency symbol.
pat.field[0] = value;
pat.field[3] = sign;
switch (sep_by_space)
{
case 0: // No space separates the currency symbol and value.
pat.field[1] = none;
pat.field[2] = symbol;
return;
case 1: // Space between currency-and-sign or currency and value.
if (!symbol_contains_sep) {
// We insert the space into the symbol instead of
// setting pat.field[1]=space so that when
// showbase is not set, the space goes away too.
__curr_symbol_.insert(0, 1, space_char);
}
pat.field[1] = none;
pat.field[2] = symbol;
return;
case 2: // Space between sign and currency or value.
pat.field[1] = symbol;
pat.field[2] = space;
if (symbol_contains_sep) {
// Remove the separator from the symbol, since it
// should not be removed if showbase is absent.
__curr_symbol_.erase(__curr_symbol_.begin());
}
return;
default:
break;
}
break;
case 3: // The sign string immediately precedes the currency symbol.
pat.field[0] = value;
pat.field[3] = symbol;
switch (sep_by_space)
{
case 0: // No space separates the currency symbol and value.
pat.field[1] = none;
pat.field[2] = sign;
return;
case 1: // Space between currency-and-sign or currency and value.
pat.field[1] = space;
pat.field[2] = sign;
if (symbol_contains_sep) {
// Remove the separator from the symbol, since it
// has already appeared before the sign.
__curr_symbol_.erase(__curr_symbol_.begin());
}
return;
case 2: // Space between sign and currency or value.
pat.field[1] = sign;
pat.field[2] = none;
if (!symbol_contains_sep) {
// We insert the space into the symbol instead of
// setting pat.field[2]=space so that when
// showbase is not set, the space goes away too.
__curr_symbol_.insert(0, 1, space_char);
}
return;
default:
break;
}
break;
case 4: // The sign string immediately succeeds the currency symbol.
pat.field[0] = value;
pat.field[3] = sign;
switch (sep_by_space)
{
case 0: // No space separates the currency symbol and value.
pat.field[1] = none;
pat.field[2] = symbol;
return;
case 1: // Space between currency-and-sign or currency and value.
pat.field[1] = none;
pat.field[2] = symbol;
if (!symbol_contains_sep) {
// We insert the space into the symbol instead of
// setting pat.field[1]=space so that when
// showbase is not set, the space goes away too.
__curr_symbol_.insert(0, 1, space_char);
}
return;
case 2: // Space between sign and currency or value.
pat.field[1] = symbol;
pat.field[2] = space;
if (symbol_contains_sep) {
// Remove the separator from the symbol, since it
// should not disappear when showbase is absent.
__curr_symbol_.erase(__curr_symbol_.begin());
}
return;
default:
break;
}
break;
default:
break;
}
break;
case 1: // curr_symbol before value
switch (sign_posn)
{
case 0: // Parentheses surround the quantity and currency symbol.
pat.field[0] = sign;
pat.field[1] = symbol;
pat.field[2] = none; // Any space appears in the symbol.
pat.field[3] = value;
switch (sep_by_space)
{
case 0: // No space separates the currency symbol and value.
// This case may have changed between C99 and C11;
// assume the currency symbol matches the intention.
case 2: // Space between sign and currency or value.
// The "sign" is two parentheses, so no space here either.
return;
case 1: // Space between currency-and-sign or currency and value.
if (!symbol_contains_sep) {
// We insert the space into the symbol instead of
// setting pat.field[2]=space so that when
// showbase is not set, the space goes away too.
__curr_symbol_.insert(0, 1, space_char);
}
return;
default:
break;
}
break;
case 1: // The sign string precedes the quantity and currency symbol.
pat.field[0] = sign;
pat.field[3] = value;
switch (sep_by_space)
{
case 0: // No space separates the currency symbol and value.
pat.field[1] = symbol;
pat.field[2] = none;
return;
case 1: // Space between currency-and-sign or currency and value.
pat.field[1] = symbol;
pat.field[2] = none;
if (!symbol_contains_sep) {
// We insert the space into the symbol instead of
// setting pat.field[2]=space so that when
// showbase is not set, the space goes away too.
__curr_symbol_.push_back(space_char);
}
return;
case 2: // Space between sign and currency or value.
pat.field[1] = space;
pat.field[2] = symbol;
if (symbol_contains_sep) {
// Remove the separator from the symbol, since it
// has already appeared after the sign.
__curr_symbol_.pop_back();
}
return;
default:
break;
}
break;
case 2: // The sign string succeeds the quantity and currency symbol.
pat.field[0] = symbol;
pat.field[3] = sign;
switch (sep_by_space)
{
case 0: // No space separates the currency symbol and value.
pat.field[1] = none;
pat.field[2] = value;
return;
case 1: // Space between currency-and-sign or currency and value.
pat.field[1] = none;
pat.field[2] = value;
if (!symbol_contains_sep) {
// We insert the space into the symbol instead of
// setting pat.field[1]=space so that when
// showbase is not set, the space goes away too.
__curr_symbol_.push_back(space_char);
}
return;
case 2: // Space between sign and currency or value.
pat.field[1] = value;
pat.field[2] = space;
if (symbol_contains_sep) {
// Remove the separator from the symbol, since it
// will appear before the sign.
__curr_symbol_.pop_back();
}
return;
default:
break;
}
break;
case 3: // The sign string immediately precedes the currency symbol.
pat.field[0] = sign;
pat.field[3] = value;
switch (sep_by_space)
{
case 0: // No space separates the currency symbol and value.
pat.field[1] = symbol;
pat.field[2] = none;
return;
case 1: // Space between currency-and-sign or currency and value.
pat.field[1] = symbol;
pat.field[2] = none;
if (!symbol_contains_sep) {
// We insert the space into the symbol instead of
// setting pat.field[2]=space so that when
// showbase is not set, the space goes away too.
__curr_symbol_.push_back(space_char);
}
return;
case 2: // Space between sign and currency or value.
pat.field[1] = space;
pat.field[2] = symbol;
if (symbol_contains_sep) {
// Remove the separator from the symbol, since it
// has already appeared after the sign.
__curr_symbol_.pop_back();
}
return;
default:
break;
}
break;
case 4: // The sign string immediately succeeds the currency symbol.
pat.field[0] = symbol;
pat.field[3] = value;
switch (sep_by_space)
{
case 0: // No space separates the currency symbol and value.
pat.field[1] = sign;
pat.field[2] = none;
return;
case 1: // Space between currency-and-sign or currency and value.
pat.field[1] = sign;
pat.field[2] = space;
if (symbol_contains_sep) {
// Remove the separator from the symbol, since it
// should not disappear when showbase is absent.
__curr_symbol_.pop_back();
}
return;
case 2: // Space between sign and currency or value.
pat.field[1] = none;
pat.field[2] = sign;
if (!symbol_contains_sep) {
// We insert the space into the symbol instead of
// setting pat.field[1]=space so that when
// showbase is not set, the space goes away too.
__curr_symbol_.push_back(space_char);
}
return;
default:
break;
}
break;
default:
break;
}
break;
default:
break;
}
pat.field[0] = symbol;
pat.field[1] = sign;
pat.field[2] = none;
pat.field[3] = value;
}
template<>
void
moneypunct_byname<char, false>::init(const char* nm)
{
typedef moneypunct<char, false> base;
__libcpp_unique_locale loc(nm);
if (!loc)
__throw_runtime_error("moneypunct_byname"
" failed to construct for " + string(nm));
lconv* lc = __libcpp_localeconv_l(loc.get());
if (!checked_string_to_char_convert(__decimal_point_,
lc->mon_decimal_point,
loc.get()))
__decimal_point_ = base::do_decimal_point();
if (!checked_string_to_char_convert(__thousands_sep_,
lc->mon_thousands_sep,
loc.get()))
__thousands_sep_ = base::do_thousands_sep();
__grouping_ = lc->mon_grouping;
__curr_symbol_ = lc->currency_symbol;
if (lc->frac_digits != CHAR_MAX)
__frac_digits_ = lc->frac_digits;
else
__frac_digits_ = base::do_frac_digits();
if (lc->p_sign_posn == 0)
__positive_sign_ = "()";
else
__positive_sign_ = lc->positive_sign;
if (lc->n_sign_posn == 0)
__negative_sign_ = "()";
else
__negative_sign_ = lc->negative_sign;
// Assume the positive and negative formats will want spaces in
// the same places in curr_symbol since there's no way to
// represent anything else.
string_type __dummy_curr_symbol = __curr_symbol_;
__init_pat(__pos_format_, __dummy_curr_symbol, false,
lc->p_cs_precedes, lc->p_sep_by_space, lc->p_sign_posn, ' ');
__init_pat(__neg_format_, __curr_symbol_, false,
lc->n_cs_precedes, lc->n_sep_by_space, lc->n_sign_posn, ' ');
}
template<>
void
moneypunct_byname<char, true>::init(const char* nm)
{
typedef moneypunct<char, true> base;
__libcpp_unique_locale loc(nm);
if (!loc)
__throw_runtime_error("moneypunct_byname"
" failed to construct for " + string(nm));
lconv* lc = __libcpp_localeconv_l(loc.get());
if (!checked_string_to_char_convert(__decimal_point_,
lc->mon_decimal_point,
loc.get()))
__decimal_point_ = base::do_decimal_point();
if (!checked_string_to_char_convert(__thousands_sep_,
lc->mon_thousands_sep,
loc.get()))
__thousands_sep_ = base::do_thousands_sep();
__grouping_ = lc->mon_grouping;
__curr_symbol_ = lc->int_curr_symbol;
if (lc->int_frac_digits != CHAR_MAX)
__frac_digits_ = lc->int_frac_digits;
else
__frac_digits_ = base::do_frac_digits();
#if defined(_LIBCPP_MSVCRT) || defined(__MINGW32__)
if (lc->p_sign_posn == 0)
#else // _LIBCPP_MSVCRT
if (lc->int_p_sign_posn == 0)
#endif // !_LIBCPP_MSVCRT
__positive_sign_ = "()";
else
__positive_sign_ = lc->positive_sign;
#if defined(_LIBCPP_MSVCRT) || defined(__MINGW32__)
if(lc->n_sign_posn == 0)
#else // _LIBCPP_MSVCRT
if (lc->int_n_sign_posn == 0)
#endif // !_LIBCPP_MSVCRT
__negative_sign_ = "()";
else
__negative_sign_ = lc->negative_sign;
// Assume the positive and negative formats will want spaces in
// the same places in curr_symbol since there's no way to
// represent anything else.
string_type __dummy_curr_symbol = __curr_symbol_;
#if defined(_LIBCPP_MSVCRT) || defined(__MINGW32__)
__init_pat(__pos_format_, __dummy_curr_symbol, true,
lc->p_cs_precedes, lc->p_sep_by_space, lc->p_sign_posn, ' ');
__init_pat(__neg_format_, __curr_symbol_, true,
lc->n_cs_precedes, lc->n_sep_by_space, lc->n_sign_posn, ' ');
#else // _LIBCPP_MSVCRT
__init_pat(__pos_format_, __dummy_curr_symbol, true,
lc->int_p_cs_precedes, lc->int_p_sep_by_space,
lc->int_p_sign_posn, ' ');
__init_pat(__neg_format_, __curr_symbol_, true,
lc->int_n_cs_precedes, lc->int_n_sep_by_space,
lc->int_n_sign_posn, ' ');
#endif // !_LIBCPP_MSVCRT
}
#ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS
template<>
void
moneypunct_byname<wchar_t, false>::init(const char* nm)
{
typedef moneypunct<wchar_t, false> base;
__libcpp_unique_locale loc(nm);
if (!loc)
__throw_runtime_error("moneypunct_byname"
" failed to construct for " + string(nm));
lconv* lc = __libcpp_localeconv_l(loc.get());
if (!checked_string_to_wchar_convert(__decimal_point_,
lc->mon_decimal_point,
loc.get()))
__decimal_point_ = base::do_decimal_point();
if (!checked_string_to_wchar_convert(__thousands_sep_,
lc->mon_thousands_sep,
loc.get()))
__thousands_sep_ = base::do_thousands_sep();
__grouping_ = lc->mon_grouping;
wchar_t wbuf[100];
mbstate_t mb = {0};
const char* bb = lc->currency_symbol;
size_t j = __libcpp_mbsrtowcs_l(wbuf, &bb, countof(wbuf), &mb, loc.get());
if (j == size_t(-1))
__throw_runtime_error("locale not supported");
wchar_t* wbe = wbuf + j;
__curr_symbol_.assign(wbuf, wbe);
if (lc->frac_digits != CHAR_MAX)
__frac_digits_ = lc->frac_digits;
else
__frac_digits_ = base::do_frac_digits();
if (lc->p_sign_posn == 0)
__positive_sign_ = L"()";
else
{
mb = mbstate_t();
bb = lc->positive_sign;
j = __libcpp_mbsrtowcs_l(wbuf, &bb, countof(wbuf), &mb, loc.get());
if (j == size_t(-1))
__throw_runtime_error("locale not supported");
wbe = wbuf + j;
__positive_sign_.assign(wbuf, wbe);
}
if (lc->n_sign_posn == 0)
__negative_sign_ = L"()";
else
{
mb = mbstate_t();
bb = lc->negative_sign;
j = __libcpp_mbsrtowcs_l(wbuf, &bb, countof(wbuf), &mb, loc.get());
if (j == size_t(-1))
__throw_runtime_error("locale not supported");
wbe = wbuf + j;
__negative_sign_.assign(wbuf, wbe);
}
// Assume the positive and negative formats will want spaces in
// the same places in curr_symbol since there's no way to
// represent anything else.
string_type __dummy_curr_symbol = __curr_symbol_;
__init_pat(__pos_format_, __dummy_curr_symbol, false,
lc->p_cs_precedes, lc->p_sep_by_space, lc->p_sign_posn, L' ');
__init_pat(__neg_format_, __curr_symbol_, false,
lc->n_cs_precedes, lc->n_sep_by_space, lc->n_sign_posn, L' ');
}
template<>
void
moneypunct_byname<wchar_t, true>::init(const char* nm)
{
typedef moneypunct<wchar_t, true> base;
__libcpp_unique_locale loc(nm);
if (!loc)
__throw_runtime_error("moneypunct_byname"
" failed to construct for " + string(nm));
lconv* lc = __libcpp_localeconv_l(loc.get());
if (!checked_string_to_wchar_convert(__decimal_point_,
lc->mon_decimal_point,
loc.get()))
__decimal_point_ = base::do_decimal_point();
if (!checked_string_to_wchar_convert(__thousands_sep_,
lc->mon_thousands_sep,
loc.get()))
__thousands_sep_ = base::do_thousands_sep();
__grouping_ = lc->mon_grouping;
wchar_t wbuf[100];
mbstate_t mb = {0};
const char* bb = lc->int_curr_symbol;
size_t j = __libcpp_mbsrtowcs_l(wbuf, &bb, countof(wbuf), &mb, loc.get());
if (j == size_t(-1))
__throw_runtime_error("locale not supported");
wchar_t* wbe = wbuf + j;
__curr_symbol_.assign(wbuf, wbe);
if (lc->int_frac_digits != CHAR_MAX)
__frac_digits_ = lc->int_frac_digits;
else
__frac_digits_ = base::do_frac_digits();
#if defined(_LIBCPP_MSVCRT) || defined(__MINGW32__)
if (lc->p_sign_posn == 0)
#else // _LIBCPP_MSVCRT
if (lc->int_p_sign_posn == 0)
#endif // !_LIBCPP_MSVCRT
__positive_sign_ = L"()";
else
{
mb = mbstate_t();
bb = lc->positive_sign;
j = __libcpp_mbsrtowcs_l(wbuf, &bb, countof(wbuf), &mb, loc.get());
if (j == size_t(-1))
__throw_runtime_error("locale not supported");
wbe = wbuf + j;
__positive_sign_.assign(wbuf, wbe);
}
#if defined(_LIBCPP_MSVCRT) || defined(__MINGW32__)
if (lc->n_sign_posn == 0)
#else // _LIBCPP_MSVCRT
if (lc->int_n_sign_posn == 0)
#endif // !_LIBCPP_MSVCRT
__negative_sign_ = L"()";
else
{
mb = mbstate_t();
bb = lc->negative_sign;
j = __libcpp_mbsrtowcs_l(wbuf, &bb, countof(wbuf), &mb, loc.get());
if (j == size_t(-1))
__throw_runtime_error("locale not supported");
wbe = wbuf + j;
__negative_sign_.assign(wbuf, wbe);
}
// Assume the positive and negative formats will want spaces in
// the same places in curr_symbol since there's no way to
// represent anything else.
string_type __dummy_curr_symbol = __curr_symbol_;
#if defined(_LIBCPP_MSVCRT) || defined(__MINGW32__)
__init_pat(__pos_format_, __dummy_curr_symbol, true,
lc->p_cs_precedes, lc->p_sep_by_space, lc->p_sign_posn, L' ');
__init_pat(__neg_format_, __curr_symbol_, true,
lc->n_cs_precedes, lc->n_sep_by_space, lc->n_sign_posn, L' ');
#else // _LIBCPP_MSVCRT
__init_pat(__pos_format_, __dummy_curr_symbol, true,
lc->int_p_cs_precedes, lc->int_p_sep_by_space,
lc->int_p_sign_posn, L' ');
__init_pat(__neg_format_, __curr_symbol_, true,
lc->int_n_cs_precedes, lc->int_n_sep_by_space,
lc->int_n_sign_posn, L' ');
#endif // !_LIBCPP_MSVCRT
}
#endif // _LIBCPP_HAS_NO_WIDE_CHARACTERS
void __do_nothing(void*) {}
void __throw_runtime_error(const char* msg)
{
#ifndef _LIBCPP_NO_EXCEPTIONS
throw runtime_error(msg);
#else
(void)msg;
_VSTD::abort();
#endif
}
template class _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS collate<char>;
_LIBCPP_IF_WIDE_CHARACTERS(template class _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS collate<wchar_t>;)
template class _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS num_get<char>;
_LIBCPP_IF_WIDE_CHARACTERS(template class _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS num_get<wchar_t>;)
template struct _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS __num_get<char>;
_LIBCPP_IF_WIDE_CHARACTERS(template struct _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS __num_get<wchar_t>;)
template class _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS num_put<char>;
_LIBCPP_IF_WIDE_CHARACTERS(template class _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS num_put<wchar_t>;)
template struct _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS __num_put<char>;
_LIBCPP_IF_WIDE_CHARACTERS(template struct _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS __num_put<wchar_t>;)
template class _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS time_get<char>;
_LIBCPP_IF_WIDE_CHARACTERS(template class _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS time_get<wchar_t>;)
template class _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS time_get_byname<char>;
_LIBCPP_IF_WIDE_CHARACTERS(template class _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS time_get_byname<wchar_t>;)
template class _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS time_put<char>;
_LIBCPP_IF_WIDE_CHARACTERS(template class _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS time_put<wchar_t>;)
template class _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS time_put_byname<char>;
_LIBCPP_IF_WIDE_CHARACTERS(template class _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS time_put_byname<wchar_t>;)
template class _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS moneypunct<char, false>;
template class _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS moneypunct<char, true>;
_LIBCPP_IF_WIDE_CHARACTERS(template class _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS moneypunct<wchar_t, false>;)
_LIBCPP_IF_WIDE_CHARACTERS(template class _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS moneypunct<wchar_t, true>;)
template class _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS moneypunct_byname<char, false>;
template class _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS moneypunct_byname<char, true>;
_LIBCPP_IF_WIDE_CHARACTERS(template class _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS moneypunct_byname<wchar_t, false>;)
_LIBCPP_IF_WIDE_CHARACTERS(template class _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS moneypunct_byname<wchar_t, true>;)
template class _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS money_get<char>;
_LIBCPP_IF_WIDE_CHARACTERS(template class _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS money_get<wchar_t>;)
template class _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS __money_get<char>;
_LIBCPP_IF_WIDE_CHARACTERS(template class _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS __money_get<wchar_t>;)
template class _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS money_put<char>;
_LIBCPP_IF_WIDE_CHARACTERS(template class _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS money_put<wchar_t>;)
template class _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS __money_put<char>;
_LIBCPP_IF_WIDE_CHARACTERS(template class _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS __money_put<wchar_t>;)
template class _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS messages<char>;
_LIBCPP_IF_WIDE_CHARACTERS(template class _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS messages<wchar_t>;)
template class _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS messages_byname<char>;
_LIBCPP_IF_WIDE_CHARACTERS(template class _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS messages_byname<wchar_t>;)
template class _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS codecvt_byname<char, char, mbstate_t>;
_LIBCPP_IF_WIDE_CHARACTERS(template class _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS codecvt_byname<wchar_t, char, mbstate_t>;)
template class _LIBCPP_DEPRECATED_IN_CXX20 _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS codecvt_byname<char16_t, char, mbstate_t>;
template class _LIBCPP_DEPRECATED_IN_CXX20 _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS codecvt_byname<char32_t, char, mbstate_t>;
#ifndef _LIBCPP_HAS_NO_CHAR8_T
template class _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS codecvt_byname<char16_t, char8_t, mbstate_t>;
template class _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS codecvt_byname<char32_t, char8_t, mbstate_t>;
#endif
_LIBCPP_END_NAMESPACE_STD