diff options
Diffstat (limited to 'contrib/llvm-project/libcxx/src/locale.cpp')
| -rw-r--r-- | contrib/llvm-project/libcxx/src/locale.cpp | 6154 |
1 files changed, 6154 insertions, 0 deletions
diff --git a/contrib/llvm-project/libcxx/src/locale.cpp b/contrib/llvm-project/libcxx/src/locale.cpp new file mode 100644 index 000000000000..5b29ee448685 --- /dev/null +++ b/contrib/llvm-project/libcxx/src/locale.cpp @@ -0,0 +1,6154 @@ +//===------------------------- locale.cpp ---------------------------------===// +// +// 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 "string" +#include "locale" +#include "codecvt" +#include "vector" +#include "algorithm" +#include "typeinfo" +#ifndef _LIBCPP_NO_EXCEPTIONS +# include "type_traits" +#endif +#include "clocale" +#include "cstring" +#if defined(_LIBCPP_MSVCRT) +#define _CTYPE_DISABLE_MACROS +#endif +#include "cwctype" +#include "__sso_allocator" +#if defined(_LIBCPP_MSVCRT) || defined(__MINGW32__) +#include "support/win32/locale_win32.h" +#elif !defined(__BIONIC__) +#include <langinfo.h> +#endif +#include <stdlib.h> +#include <stdio.h> +#include "include/atomic_support.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 A0> +inline +T& +make(A0 a0) +{ + static typename aligned_storage<sizeof(T)>::type buf; + auto *obj = ::new (&buf) T(a0); + return *obj; +} + +template <class T, class A0, class A1> +inline +T& +make(A0 a0, A1 a1) +{ + static typename aligned_storage<sizeof(T)>::type buf; + ::new (&buf) T(a0, a1); + return *reinterpret_cast<T*>(&buf); +} + +template <class T, class A0, class A1, class A2> +inline +T& +make(A0 a0, A1 a1, A2 a2) +{ + static typename aligned_storage<sizeof(T)>::type buf; + auto *obj = ::new (&buf) T(a0, a1, a2); + 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 = 28}; +#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)); + install(&make<_VSTD::collate<wchar_t> >(1u)); + install(&make<_VSTD::ctype<char> >(nullptr, false, 1u)); + install(&make<_VSTD::ctype<wchar_t> >(1u)); + install(&make<codecvt<char, char, mbstate_t> >(1u)); + install(&make<codecvt<wchar_t, char, mbstate_t> >(1u)); + install(&make<codecvt<char16_t, char, mbstate_t> >(1u)); + install(&make<codecvt<char32_t, char, mbstate_t> >(1u)); + install(&make<numpunct<char> >(1u)); + install(&make<numpunct<wchar_t> >(1u)); + install(&make<num_get<char> >(1u)); + install(&make<num_get<wchar_t> >(1u)); + install(&make<num_put<char> >(1u)); + install(&make<num_put<wchar_t> >(1u)); + install(&make<moneypunct<char, false> >(1u)); + install(&make<moneypunct<char, true> >(1u)); + install(&make<moneypunct<wchar_t, false> >(1u)); + install(&make<moneypunct<wchar_t, true> >(1u)); + install(&make<money_get<char> >(1u)); + install(&make<money_get<wchar_t> >(1u)); + install(&make<money_put<char> >(1u)); + install(&make<money_put<wchar_t> >(1u)); + install(&make<time_get<char> >(1u)); + install(&make<time_get<wchar_t> >(1u)); + install(&make<time_put<char> >(1u)); + install(&make<time_put<wchar_t> >(1u)); + install(&make<_VSTD::messages<char> >(1u)); + install(&make<_VSTD::messages<wchar_t> >(1u)); +} + +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_)); + install(new collate_byname<wchar_t>(name_)); + install(new ctype_byname<char>(name_)); + install(new ctype_byname<wchar_t>(name_)); + install(new codecvt_byname<char, char, mbstate_t>(name_)); + install(new codecvt_byname<wchar_t, char, mbstate_t>(name_)); + install(new codecvt_byname<char16_t, char, mbstate_t>(name_)); + install(new codecvt_byname<char32_t, char, mbstate_t>(name_)); + install(new numpunct_byname<char>(name_)); + install(new numpunct_byname<wchar_t>(name_)); + install(new moneypunct_byname<char, false>(name_)); + install(new moneypunct_byname<char, true>(name_)); + install(new moneypunct_byname<wchar_t, false>(name_)); + install(new moneypunct_byname<wchar_t, true>(name_)); + install(new time_get_byname<char>(name_)); + install(new time_get_byname<wchar_t>(name_)); + install(new time_put_byname<char>(name_)); + install(new time_put_byname<wchar_t>(name_)); + install(new messages_byname<char>(name_)); + install(new messages_byname<wchar_t>(name_)); +#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 +} + +// NOTE avoid the `base class should be explicitly initialized in the +// copy constructor` warning emitted by GCC +#if defined(__clang__) || _GNUC_VER >= 406 +#pragma GCC diagnostic push +#pragma GCC diagnostic ignored "-Wextra" +#endif + +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(); +} + +#if defined(__clang__) || _GNUC_VER >= 406 +#pragma GCC diagnostic pop +#endif + +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)); + install(new collate_byname<wchar_t>(name)); + } + if (c & locale::ctype) + { + install(new ctype_byname<char>(name)); + install(new ctype_byname<wchar_t>(name)); + install(new codecvt_byname<char, char, mbstate_t>(name)); + install(new codecvt_byname<wchar_t, char, mbstate_t>(name)); + install(new codecvt_byname<char16_t, char, mbstate_t>(name)); + install(new codecvt_byname<char32_t, char, mbstate_t>(name)); + } + if (c & locale::monetary) + { + install(new moneypunct_byname<char, false>(name)); + install(new moneypunct_byname<char, true>(name)); + install(new moneypunct_byname<wchar_t, false>(name)); + install(new moneypunct_byname<wchar_t, true>(name)); + } + if (c & locale::numeric) + { + install(new numpunct_byname<char>(name)); + install(new numpunct_byname<wchar_t>(name)); + } + if (c & locale::time) + { + install(new time_get_byname<char>(name)); + install(new time_get_byname<wchar_t>(name)); + install(new time_put_byname<char>(name)); + install(new time_put_byname<wchar_t>(name)); + } + if (c & locale::messages) + { + install(new messages_byname<char>(name)); + install(new messages_byname<wchar_t>(name)); + } +#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); + install_from<_VSTD::collate<wchar_t> >(one); + } + if (c & locale::ctype) + { + install_from<_VSTD::ctype<char> >(one); + install_from<_VSTD::ctype<wchar_t> >(one); + install_from<_VSTD::codecvt<char, char, mbstate_t> >(one); + install_from<_VSTD::codecvt<char16_t, char, mbstate_t> >(one); + install_from<_VSTD::codecvt<char32_t, char, mbstate_t> >(one); + install_from<_VSTD::codecvt<wchar_t, char, mbstate_t> >(one); + } + if (c & locale::monetary) + { + install_from<moneypunct<char, false> >(one); + install_from<moneypunct<char, true> >(one); + install_from<moneypunct<wchar_t, false> >(one); + install_from<moneypunct<wchar_t, true> >(one); + install_from<money_get<char> >(one); + install_from<money_get<wchar_t> >(one); + install_from<money_put<char> >(one); + install_from<money_put<wchar_t> >(one); + } + if (c & locale::numeric) + { + install_from<numpunct<char> >(one); + install_from<numpunct<wchar_t> >(one); + install_from<num_get<char> >(one); + install_from<num_get<wchar_t> >(one); + install_from<num_put<char> >(one); + install_from<num_put<wchar_t> >(one); + } + if (c & locale::time) + { + install_from<time_get<char> >(one); + install_from<time_get<wchar_t> >(one); + install_from<time_put<char> >(one); + install_from<time_put<wchar_t> >(one); + } + if (c & locale::messages) + { + install_from<_VSTD::messages<char> >(one); + install_from<_VSTD::messages<wchar_t> >(one); + } +#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"), (__imp*)0)) +{ + __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"), (__imp*)0)) +{ + __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> + +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; +} + +// template <> class ctype<wchar_t>; + +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; + +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; +} + +// template <> class ctype<char>; + +locale::id ctype<char>::id; + +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 __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 __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> + +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; +} + +// 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> + +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)); +} + +// 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; +} + +// 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; +} + +// __codecvt_utf8<wchar_t> + +__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); + return utf8_to_ucs4_length(_frm, _frm_end, mx, _Maxcode_, _Mode_); +} + +int +__codecvt_utf8<wchar_t>::do_max_length() const _NOEXCEPT +{ + if (_Mode_ & consume_header) + return 7; + return 4; +} + +// __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> + +__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 +{ + 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<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; + 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<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); + return utf16be_to_ucs4_length(_frm, _frm_end, mx, _Maxcode_, _Mode_); +} + +int +__codecvt_utf16<wchar_t, false>::do_max_length() const _NOEXCEPT +{ + if (_Mode_ & consume_header) + return 6; + return 4; +} + +// __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 +{ + 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<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; + 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<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); + return utf16le_to_ucs4_length(_frm, _frm_end, mx, _Maxcode_, _Mode_); +} + +int +__codecvt_utf16<wchar_t, true>::do_max_length() const _NOEXCEPT +{ + if (_Mode_ & consume_header) + return 6; + return 4; +} + +// __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> + +__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 +{ + 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<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; + 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<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; +} + +// __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() +{ +} + + +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; +} + +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; + } + // 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 reasonable + // 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; + } + _LIBCPP_UNREACHABLE(); +} + + +// numpunct<char> && numpunct<wchar_t> + +locale::id numpunct< char >::id; +locale::id numpunct<wchar_t>::id; + +numpunct<char>::numpunct(size_t refs) + : locale::facet(refs), + __decimal_point_('.'), + __thousands_sep_(',') +{ +} + +numpunct<wchar_t>::numpunct(size_t refs) + : locale::facet(refs), + __decimal_point_(L'.'), + __thousands_sep_(L',') +{ +} + +numpunct<char>::~numpunct() +{ +} + +numpunct<wchar_t>::~numpunct() +{ +} + + char numpunct< char >::do_decimal_point() const {return __decimal_point_;} +wchar_t numpunct<wchar_t>::do_decimal_point() const {return __decimal_point_;} + + char numpunct< char >::do_thousands_sep() const {return __thousands_sep_;} +wchar_t numpunct<wchar_t>::do_thousands_sep() const {return __thousands_sep_;} + +string numpunct< char >::do_grouping() const {return __grouping_;} +string numpunct<wchar_t>::do_grouping() const {return __grouping_;} + + string numpunct< char >::do_truename() const {return "true";} +wstring numpunct<wchar_t>::do_truename() const {return L"true";} + + string numpunct< char >::do_falsename() const {return "false";} +wstring numpunct<wchar_t>::do_falsename() const {return L"false";} + +// 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) +{ + 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()); + checked_string_to_char_convert(__decimal_point_, lc->decimal_point, + loc.get()); + checked_string_to_char_convert(__thousands_sep_, lc->thousands_sep, + loc.get()); + __grouping_ = lc->grouping; + // localization for truename and falsename is not available + } +} + +// numpunct_byname<wchar_t> + +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 + } +} + +// 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) + *__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; +} + +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; +} + +template <> +const string* +__time_get_c_storage<char>::__weeks() const +{ + static const string* weeks = init_weeks(); + return weeks; +} + +template <> +const wstring* +__time_get_c_storage<wchar_t>::__weeks() const +{ + static const wstring* weeks = init_wweeks(); + return weeks; +} + +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; +} + +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; +} + +template <> +const string* +__time_get_c_storage<char>::__months() const +{ + static const string* months = init_months(); + return months; +} + +template <> +const wstring* +__time_get_c_storage<wchar_t>::__months() const +{ + static const wstring* months = init_wmonths(); + return months; +} + +static +string* +init_am_pm() +{ + static string am_pm[2]; + am_pm[0] = "AM"; + am_pm[1] = "PM"; + return am_pm; +} + +static +wstring* +init_wam_pm() +{ + static wstring am_pm[2]; + am_pm[0] = L"AM"; + am_pm[1] = L"PM"; + return am_pm; +} + +template <> +const string* +__time_get_c_storage<char>::__am_pm() const +{ + static const string* am_pm = init_am_pm(); + return am_pm; +} + +template <> +const wstring* +__time_get_c_storage<wchar_t>::__am_pm() const +{ + static const wstring* am_pm = init_wam_pm(); + return am_pm; +} + +template <> +const string& +__time_get_c_storage<char>::__x() const +{ + static string s("%m/%d/%y"); + return s; +} + +template <> +const wstring& +__time_get_c_storage<wchar_t>::__x() const +{ + static wstring s(L"%m/%d/%y"); + return s; +} + +template <> +const string& +__time_get_c_storage<char>::__X() const +{ + static string s("%H:%M:%S"); + return s; +} + +template <> +const wstring& +__time_get_c_storage<wchar_t>::__X() const +{ + static wstring s(L"%H:%M:%S"); + return s; +} + +template <> +const string& +__time_get_c_storage<char>::__c() const +{ + static string s("%a %b %d %H:%M:%S %Y"); + return s; +} + +template <> +const wstring& +__time_get_c_storage<wchar_t>::__c() const +{ + static wstring s(L"%a %b %d %H:%M:%S %Y"); + return s; +} + +template <> +const string& +__time_get_c_storage<char>::__r() const +{ + static string s("%I:%M:%S %p"); + return s; +} + +template <> +const wstring& +__time_get_c_storage<wchar_t>::__r() const +{ + static wstring s(L"%I:%M:%S %p"); + return s; +} + +// 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 + +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; +} + +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); +} + +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)) + __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)) + __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)) + __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)) + __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); +} + +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); +} + +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); +} + +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; +} + +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; +} + +// 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; +} + +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; +} + +// 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 +} + +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 +} + +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>; +template class _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS collate<wchar_t>; + +template class _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS num_get<char>; +template class _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS num_get<wchar_t>; + +template struct _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS __num_get<char>; +template struct _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS __num_get<wchar_t>; + +template class _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS num_put<char>; +template class _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS num_put<wchar_t>; + +template struct _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS __num_put<char>; +template struct _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS __num_put<wchar_t>; + +template class _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS time_get<char>; +template class _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS time_get<wchar_t>; + +template class _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS time_get_byname<char>; +template class _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS time_get_byname<wchar_t>; + +template class _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS time_put<char>; +template class _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS time_put<wchar_t>; + +template class _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS time_put_byname<char>; +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>; +template class _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS moneypunct<wchar_t, false>; +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>; +template class _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS moneypunct_byname<wchar_t, false>; +template class _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS moneypunct_byname<wchar_t, true>; + +template class _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS money_get<char>; +template class _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS money_get<wchar_t>; + +template class _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS __money_get<char>; +template class _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS __money_get<wchar_t>; + +template class _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS money_put<char>; +template class _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS money_put<wchar_t>; + +template class _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS __money_put<char>; +template class _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS __money_put<wchar_t>; + +template class _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS messages<char>; +template class _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS messages<wchar_t>; + +template class _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS messages_byname<char>; +template class _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS messages_byname<wchar_t>; + +template class _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS codecvt_byname<char, char, mbstate_t>; +template class _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS codecvt_byname<wchar_t, char, mbstate_t>; +template class _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS codecvt_byname<char16_t, char, mbstate_t>; +template class _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS codecvt_byname<char32_t, char, mbstate_t>; + +_LIBCPP_END_NAMESPACE_STD |