1//===------------------------- locale.cpp ---------------------------------===// 2// 3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4// See https://llvm.org/LICENSE.txt for license information. 5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6// 7//===----------------------------------------------------------------------===// 8 9// On Solaris, we need to define something to make the C99 parts of localeconv 10// visible. 11#ifdef __sun__ 12#define _LCONV_C99 13#endif 14 15#include "string" 16#include "locale" 17#include "codecvt" 18#include "vector" 19#include "algorithm" 20#include "typeinfo" 21#ifndef _LIBCPP_NO_EXCEPTIONS 22# include "type_traits" 23#endif 24#include "clocale" 25#include "cstring" 26#if defined(_LIBCPP_MSVCRT) 27#define _CTYPE_DISABLE_MACROS 28#endif 29#include "cwctype" 30#include "__sso_allocator" 31#if defined(_LIBCPP_MSVCRT) || defined(__MINGW32__) 32#include "support/win32/locale_win32.h" 33#elif !defined(__BIONIC__) 34#include <langinfo.h> 35#endif 36#include <stdlib.h> 37#include <stdio.h> 38#include "include/atomic_support.h" 39#include "__undef_macros" 40 41// On Linux, wint_t and wchar_t have different signed-ness, and this causes 42// lots of noise in the build log, but no bugs that I know of. 43#if defined(__clang__) 44#pragma clang diagnostic ignored "-Wsign-conversion" 45#endif 46 47_LIBCPP_BEGIN_NAMESPACE_STD 48 49struct __libcpp_unique_locale { 50 __libcpp_unique_locale(const char* nm) : __loc_(newlocale(LC_ALL_MASK, nm, 0)) {} 51 52 ~__libcpp_unique_locale() { 53 if (__loc_) 54 freelocale(__loc_); 55 } 56 57 explicit operator bool() const { return __loc_; } 58 59 locale_t& get() { return __loc_; } 60 61 locale_t __loc_; 62private: 63 __libcpp_unique_locale(__libcpp_unique_locale const&); 64 __libcpp_unique_locale& operator=(__libcpp_unique_locale const&); 65}; 66 67#ifdef __cloc_defined 68locale_t __cloc() { 69 // In theory this could create a race condition. In practice 70 // the race condition is non-fatal since it will just create 71 // a little resource leak. Better approach would be appreciated. 72 static locale_t result = newlocale(LC_ALL_MASK, "C", 0); 73 return result; 74} 75#endif // __cloc_defined 76 77namespace { 78 79struct release 80{ 81 void operator()(locale::facet* p) {p->__release_shared();} 82}; 83 84template <class T, class A0> 85inline 86T& 87make(A0 a0) 88{ 89 static typename aligned_storage<sizeof(T)>::type buf; 90 auto *obj = ::new (&buf) T(a0); 91 return *obj; 92} 93 94template <class T, class A0, class A1> 95inline 96T& 97make(A0 a0, A1 a1) 98{ 99 static typename aligned_storage<sizeof(T)>::type buf; 100 ::new (&buf) T(a0, a1); 101 return *reinterpret_cast<T*>(&buf); 102} 103 104template <class T, class A0, class A1, class A2> 105inline 106T& 107make(A0 a0, A1 a1, A2 a2) 108{ 109 static typename aligned_storage<sizeof(T)>::type buf; 110 auto *obj = ::new (&buf) T(a0, a1, a2); 111 return *obj; 112} 113 114template <typename T, size_t N> 115inline 116_LIBCPP_CONSTEXPR 117size_t 118countof(const T (&)[N]) 119{ 120 return N; 121} 122 123template <typename T> 124inline 125_LIBCPP_CONSTEXPR 126size_t 127countof(const T * const begin, const T * const end) 128{ 129 return static_cast<size_t>(end - begin); 130} 131 132_LIBCPP_NORETURN static void __throw_runtime_error(const string &msg) 133{ 134#ifndef _LIBCPP_NO_EXCEPTIONS 135 throw runtime_error(msg); 136#else 137 (void)msg; 138 _VSTD::abort(); 139#endif 140} 141 142} 143 144#if defined(_AIX) 145// Set priority to INT_MIN + 256 + 150 146# pragma priority ( -2147483242 ) 147#endif 148 149const locale::category locale::none; 150const locale::category locale::collate; 151const locale::category locale::ctype; 152const locale::category locale::monetary; 153const locale::category locale::numeric; 154const locale::category locale::time; 155const locale::category locale::messages; 156const locale::category locale::all; 157 158class _LIBCPP_HIDDEN locale::__imp 159 : public facet 160{ 161 enum {N = 28}; 162#if defined(_LIBCPP_COMPILER_MSVC) 163// FIXME: MSVC doesn't support aligned parameters by value. 164// I can't get the __sso_allocator to work here 165// for MSVC I think for this reason. 166 vector<facet*> facets_; 167#else 168 vector<facet*, __sso_allocator<facet*, N> > facets_; 169#endif 170 string name_; 171public: 172 explicit __imp(size_t refs = 0); 173 explicit __imp(const string& name, size_t refs = 0); 174 __imp(const __imp&); 175 __imp(const __imp&, const string&, locale::category c); 176 __imp(const __imp& other, const __imp& one, locale::category c); 177 __imp(const __imp&, facet* f, long id); 178 ~__imp(); 179 180 const string& name() const {return name_;} 181 bool has_facet(long id) const 182 {return static_cast<size_t>(id) < facets_.size() && facets_[static_cast<size_t>(id)];} 183 const locale::facet* use_facet(long id) const; 184 185 static const locale& make_classic(); 186 static locale& make_global(); 187private: 188 void install(facet* f, long id); 189 template <class F> void install(F* f) {install(f, f->id.__get());} 190 template <class F> void install_from(const __imp& other); 191}; 192 193locale::__imp::__imp(size_t refs) 194 : facet(refs), 195 facets_(N), 196 name_("C") 197{ 198 facets_.clear(); 199 install(&make<_VSTD::collate<char> >(1u)); 200 install(&make<_VSTD::collate<wchar_t> >(1u)); 201 install(&make<_VSTD::ctype<char> >(nullptr, false, 1u)); 202 install(&make<_VSTD::ctype<wchar_t> >(1u)); 203 install(&make<codecvt<char, char, mbstate_t> >(1u)); 204 install(&make<codecvt<wchar_t, char, mbstate_t> >(1u)); 205 install(&make<codecvt<char16_t, char, mbstate_t> >(1u)); 206 install(&make<codecvt<char32_t, char, mbstate_t> >(1u)); 207 install(&make<numpunct<char> >(1u)); 208 install(&make<numpunct<wchar_t> >(1u)); 209 install(&make<num_get<char> >(1u)); 210 install(&make<num_get<wchar_t> >(1u)); 211 install(&make<num_put<char> >(1u)); 212 install(&make<num_put<wchar_t> >(1u)); 213 install(&make<moneypunct<char, false> >(1u)); 214 install(&make<moneypunct<char, true> >(1u)); 215 install(&make<moneypunct<wchar_t, false> >(1u)); 216 install(&make<moneypunct<wchar_t, true> >(1u)); 217 install(&make<money_get<char> >(1u)); 218 install(&make<money_get<wchar_t> >(1u)); 219 install(&make<money_put<char> >(1u)); 220 install(&make<money_put<wchar_t> >(1u)); 221 install(&make<time_get<char> >(1u)); 222 install(&make<time_get<wchar_t> >(1u)); 223 install(&make<time_put<char> >(1u)); 224 install(&make<time_put<wchar_t> >(1u)); 225 install(&make<_VSTD::messages<char> >(1u)); 226 install(&make<_VSTD::messages<wchar_t> >(1u)); 227} 228 229locale::__imp::__imp(const string& name, size_t refs) 230 : facet(refs), 231 facets_(N), 232 name_(name) 233{ 234#ifndef _LIBCPP_NO_EXCEPTIONS 235 try 236 { 237#endif // _LIBCPP_NO_EXCEPTIONS 238 facets_ = locale::classic().__locale_->facets_; 239 for (unsigned i = 0; i < facets_.size(); ++i) 240 if (facets_[i]) 241 facets_[i]->__add_shared(); 242 install(new collate_byname<char>(name_)); 243 install(new collate_byname<wchar_t>(name_)); 244 install(new ctype_byname<char>(name_)); 245 install(new ctype_byname<wchar_t>(name_)); 246 install(new codecvt_byname<char, char, mbstate_t>(name_)); 247 install(new codecvt_byname<wchar_t, char, mbstate_t>(name_)); 248 install(new codecvt_byname<char16_t, char, mbstate_t>(name_)); 249 install(new codecvt_byname<char32_t, char, mbstate_t>(name_)); 250 install(new numpunct_byname<char>(name_)); 251 install(new numpunct_byname<wchar_t>(name_)); 252 install(new moneypunct_byname<char, false>(name_)); 253 install(new moneypunct_byname<char, true>(name_)); 254 install(new moneypunct_byname<wchar_t, false>(name_)); 255 install(new moneypunct_byname<wchar_t, true>(name_)); 256 install(new time_get_byname<char>(name_)); 257 install(new time_get_byname<wchar_t>(name_)); 258 install(new time_put_byname<char>(name_)); 259 install(new time_put_byname<wchar_t>(name_)); 260 install(new messages_byname<char>(name_)); 261 install(new messages_byname<wchar_t>(name_)); 262#ifndef _LIBCPP_NO_EXCEPTIONS 263 } 264 catch (...) 265 { 266 for (unsigned i = 0; i < facets_.size(); ++i) 267 if (facets_[i]) 268 facets_[i]->__release_shared(); 269 throw; 270 } 271#endif // _LIBCPP_NO_EXCEPTIONS 272} 273 274// NOTE avoid the `base class should be explicitly initialized in the 275// copy constructor` warning emitted by GCC 276#if defined(__clang__) || _GNUC_VER >= 406 277#pragma GCC diagnostic push 278#pragma GCC diagnostic ignored "-Wextra" 279#endif 280 281locale::__imp::__imp(const __imp& other) 282 : facets_(max<size_t>(N, other.facets_.size())), 283 name_(other.name_) 284{ 285 facets_ = other.facets_; 286 for (unsigned i = 0; i < facets_.size(); ++i) 287 if (facets_[i]) 288 facets_[i]->__add_shared(); 289} 290 291#if defined(__clang__) || _GNUC_VER >= 406 292#pragma GCC diagnostic pop 293#endif 294 295locale::__imp::__imp(const __imp& other, const string& name, locale::category c) 296 : facets_(N), 297 name_("*") 298{ 299 facets_ = other.facets_; 300 for (unsigned i = 0; i < facets_.size(); ++i) 301 if (facets_[i]) 302 facets_[i]->__add_shared(); 303#ifndef _LIBCPP_NO_EXCEPTIONS 304 try 305 { 306#endif // _LIBCPP_NO_EXCEPTIONS 307 if (c & locale::collate) 308 { 309 install(new collate_byname<char>(name)); 310 install(new collate_byname<wchar_t>(name)); 311 } 312 if (c & locale::ctype) 313 { 314 install(new ctype_byname<char>(name)); 315 install(new ctype_byname<wchar_t>(name)); 316 install(new codecvt_byname<char, char, mbstate_t>(name)); 317 install(new codecvt_byname<wchar_t, char, mbstate_t>(name)); 318 install(new codecvt_byname<char16_t, char, mbstate_t>(name)); 319 install(new codecvt_byname<char32_t, char, mbstate_t>(name)); 320 } 321 if (c & locale::monetary) 322 { 323 install(new moneypunct_byname<char, false>(name)); 324 install(new moneypunct_byname<char, true>(name)); 325 install(new moneypunct_byname<wchar_t, false>(name)); 326 install(new moneypunct_byname<wchar_t, true>(name)); 327 } 328 if (c & locale::numeric) 329 { 330 install(new numpunct_byname<char>(name)); 331 install(new numpunct_byname<wchar_t>(name)); 332 } 333 if (c & locale::time) 334 { 335 install(new time_get_byname<char>(name)); 336 install(new time_get_byname<wchar_t>(name)); 337 install(new time_put_byname<char>(name)); 338 install(new time_put_byname<wchar_t>(name)); 339 } 340 if (c & locale::messages) 341 { 342 install(new messages_byname<char>(name)); 343 install(new messages_byname<wchar_t>(name)); 344 } 345#ifndef _LIBCPP_NO_EXCEPTIONS 346 } 347 catch (...) 348 { 349 for (unsigned i = 0; i < facets_.size(); ++i) 350 if (facets_[i]) 351 facets_[i]->__release_shared(); 352 throw; 353 } 354#endif // _LIBCPP_NO_EXCEPTIONS 355} 356 357template<class F> 358inline 359void 360locale::__imp::install_from(const locale::__imp& one) 361{ 362 long id = F::id.__get(); 363 install(const_cast<F*>(static_cast<const F*>(one.use_facet(id))), id); 364} 365 366locale::__imp::__imp(const __imp& other, const __imp& one, locale::category c) 367 : facets_(N), 368 name_("*") 369{ 370 facets_ = other.facets_; 371 for (unsigned i = 0; i < facets_.size(); ++i) 372 if (facets_[i]) 373 facets_[i]->__add_shared(); 374#ifndef _LIBCPP_NO_EXCEPTIONS 375 try 376 { 377#endif // _LIBCPP_NO_EXCEPTIONS 378 if (c & locale::collate) 379 { 380 install_from<_VSTD::collate<char> >(one); 381 install_from<_VSTD::collate<wchar_t> >(one); 382 } 383 if (c & locale::ctype) 384 { 385 install_from<_VSTD::ctype<char> >(one); 386 install_from<_VSTD::ctype<wchar_t> >(one); 387 install_from<_VSTD::codecvt<char, char, mbstate_t> >(one); 388 install_from<_VSTD::codecvt<char16_t, char, mbstate_t> >(one); 389 install_from<_VSTD::codecvt<char32_t, char, mbstate_t> >(one); 390 install_from<_VSTD::codecvt<wchar_t, char, mbstate_t> >(one); 391 } 392 if (c & locale::monetary) 393 { 394 install_from<moneypunct<char, false> >(one); 395 install_from<moneypunct<char, true> >(one); 396 install_from<moneypunct<wchar_t, false> >(one); 397 install_from<moneypunct<wchar_t, true> >(one); 398 install_from<money_get<char> >(one); 399 install_from<money_get<wchar_t> >(one); 400 install_from<money_put<char> >(one); 401 install_from<money_put<wchar_t> >(one); 402 } 403 if (c & locale::numeric) 404 { 405 install_from<numpunct<char> >(one); 406 install_from<numpunct<wchar_t> >(one); 407 install_from<num_get<char> >(one); 408 install_from<num_get<wchar_t> >(one); 409 install_from<num_put<char> >(one); 410 install_from<num_put<wchar_t> >(one); 411 } 412 if (c & locale::time) 413 { 414 install_from<time_get<char> >(one); 415 install_from<time_get<wchar_t> >(one); 416 install_from<time_put<char> >(one); 417 install_from<time_put<wchar_t> >(one); 418 } 419 if (c & locale::messages) 420 { 421 install_from<_VSTD::messages<char> >(one); 422 install_from<_VSTD::messages<wchar_t> >(one); 423 } 424#ifndef _LIBCPP_NO_EXCEPTIONS 425 } 426 catch (...) 427 { 428 for (unsigned i = 0; i < facets_.size(); ++i) 429 if (facets_[i]) 430 facets_[i]->__release_shared(); 431 throw; 432 } 433#endif // _LIBCPP_NO_EXCEPTIONS 434} 435 436locale::__imp::__imp(const __imp& other, facet* f, long id) 437 : facets_(max<size_t>(N, other.facets_.size()+1)), 438 name_("*") 439{ 440 f->__add_shared(); 441 unique_ptr<facet, release> hold(f); 442 facets_ = other.facets_; 443 for (unsigned i = 0; i < other.facets_.size(); ++i) 444 if (facets_[i]) 445 facets_[i]->__add_shared(); 446 install(hold.get(), id); 447} 448 449locale::__imp::~__imp() 450{ 451 for (unsigned i = 0; i < facets_.size(); ++i) 452 if (facets_[i]) 453 facets_[i]->__release_shared(); 454} 455 456void 457locale::__imp::install(facet* f, long id) 458{ 459 f->__add_shared(); 460 unique_ptr<facet, release> hold(f); 461 if (static_cast<size_t>(id) >= facets_.size()) 462 facets_.resize(static_cast<size_t>(id+1)); 463 if (facets_[static_cast<size_t>(id)]) 464 facets_[static_cast<size_t>(id)]->__release_shared(); 465 facets_[static_cast<size_t>(id)] = hold.release(); 466} 467 468const locale::facet* 469locale::__imp::use_facet(long id) const 470{ 471 if (!has_facet(id)) 472 __throw_bad_cast(); 473 return facets_[static_cast<size_t>(id)]; 474} 475 476// locale 477 478const locale& 479locale::__imp::make_classic() 480{ 481 // only one thread can get in here and it only gets in once 482 static aligned_storage<sizeof(locale)>::type buf; 483 locale* c = reinterpret_cast<locale*>(&buf); 484 c->__locale_ = &make<__imp>(1u); 485 return *c; 486} 487 488const locale& 489locale::classic() 490{ 491 static const locale& c = __imp::make_classic(); 492 return c; 493} 494 495locale& 496locale::__imp::make_global() 497{ 498 // only one thread can get in here and it only gets in once 499 static aligned_storage<sizeof(locale)>::type buf; 500 auto *obj = ::new (&buf) locale(locale::classic()); 501 return *obj; 502} 503 504locale& 505locale::__global() 506{ 507 static locale& g = __imp::make_global(); 508 return g; 509} 510 511locale::locale() _NOEXCEPT 512 : __locale_(__global().__locale_) 513{ 514 __locale_->__add_shared(); 515} 516 517locale::locale(const locale& l) _NOEXCEPT 518 : __locale_(l.__locale_) 519{ 520 __locale_->__add_shared(); 521} 522 523locale::~locale() 524{ 525 __locale_->__release_shared(); 526} 527 528const locale& 529locale::operator=(const locale& other) _NOEXCEPT 530{ 531 other.__locale_->__add_shared(); 532 __locale_->__release_shared(); 533 __locale_ = other.__locale_; 534 return *this; 535} 536 537locale::locale(const char* name) 538 : __locale_(name ? new __imp(name) 539 : (__throw_runtime_error("locale constructed with null"), (__imp*)0)) 540{ 541 __locale_->__add_shared(); 542} 543 544locale::locale(const string& name) 545 : __locale_(new __imp(name)) 546{ 547 __locale_->__add_shared(); 548} 549 550locale::locale(const locale& other, const char* name, category c) 551 : __locale_(name ? new __imp(*other.__locale_, name, c) 552 : (__throw_runtime_error("locale constructed with null"), (__imp*)0)) 553{ 554 __locale_->__add_shared(); 555} 556 557locale::locale(const locale& other, const string& name, category c) 558 : __locale_(new __imp(*other.__locale_, name, c)) 559{ 560 __locale_->__add_shared(); 561} 562 563locale::locale(const locale& other, const locale& one, category c) 564 : __locale_(new __imp(*other.__locale_, *one.__locale_, c)) 565{ 566 __locale_->__add_shared(); 567} 568 569string 570locale::name() const 571{ 572 return __locale_->name(); 573} 574 575void 576locale::__install_ctor(const locale& other, facet* f, long id) 577{ 578 if (f) 579 __locale_ = new __imp(*other.__locale_, f, id); 580 else 581 __locale_ = other.__locale_; 582 __locale_->__add_shared(); 583} 584 585locale 586locale::global(const locale& loc) 587{ 588 locale& g = __global(); 589 locale r = g; 590 g = loc; 591 if (g.name() != "*") 592 setlocale(LC_ALL, g.name().c_str()); 593 return r; 594} 595 596bool 597locale::has_facet(id& x) const 598{ 599 return __locale_->has_facet(x.__get()); 600} 601 602const locale::facet* 603locale::use_facet(id& x) const 604{ 605 return __locale_->use_facet(x.__get()); 606} 607 608bool 609locale::operator==(const locale& y) const 610{ 611 return (__locale_ == y.__locale_) 612 || (__locale_->name() != "*" && __locale_->name() == y.__locale_->name()); 613} 614 615// locale::facet 616 617locale::facet::~facet() 618{ 619} 620 621void 622locale::facet::__on_zero_shared() _NOEXCEPT 623{ 624 delete this; 625} 626 627// locale::id 628 629int32_t locale::id::__next_id = 0; 630 631namespace 632{ 633 634class __fake_bind 635{ 636 locale::id* id_; 637 void (locale::id::* pmf_)(); 638public: 639 __fake_bind(void (locale::id::* pmf)(), locale::id* id) 640 : id_(id), pmf_(pmf) {} 641 642 void operator()() const 643 { 644 (id_->*pmf_)(); 645 } 646}; 647 648} 649 650long 651locale::id::__get() 652{ 653 call_once(__flag_, __fake_bind(&locale::id::__init, this)); 654 return __id_ - 1; 655} 656 657void 658locale::id::__init() 659{ 660 __id_ = __libcpp_atomic_add(&__next_id, 1); 661} 662 663// template <> class collate_byname<char> 664 665collate_byname<char>::collate_byname(const char* n, size_t refs) 666 : collate<char>(refs), 667 __l(newlocale(LC_ALL_MASK, n, 0)) 668{ 669 if (__l == 0) 670 __throw_runtime_error("collate_byname<char>::collate_byname" 671 " failed to construct for " + string(n)); 672} 673 674collate_byname<char>::collate_byname(const string& name, size_t refs) 675 : collate<char>(refs), 676 __l(newlocale(LC_ALL_MASK, name.c_str(), 0)) 677{ 678 if (__l == 0) 679 __throw_runtime_error("collate_byname<char>::collate_byname" 680 " failed to construct for " + name); 681} 682 683collate_byname<char>::~collate_byname() 684{ 685 freelocale(__l); 686} 687 688int 689collate_byname<char>::do_compare(const char_type* __lo1, const char_type* __hi1, 690 const char_type* __lo2, const char_type* __hi2) const 691{ 692 string_type lhs(__lo1, __hi1); 693 string_type rhs(__lo2, __hi2); 694 int r = strcoll_l(lhs.c_str(), rhs.c_str(), __l); 695 if (r < 0) 696 return -1; 697 if (r > 0) 698 return 1; 699 return r; 700} 701 702collate_byname<char>::string_type 703collate_byname<char>::do_transform(const char_type* lo, const char_type* hi) const 704{ 705 const string_type in(lo, hi); 706 string_type out(strxfrm_l(0, in.c_str(), 0, __l), char()); 707 strxfrm_l(const_cast<char*>(out.c_str()), in.c_str(), out.size()+1, __l); 708 return out; 709} 710 711// template <> class collate_byname<wchar_t> 712 713collate_byname<wchar_t>::collate_byname(const char* n, size_t refs) 714 : collate<wchar_t>(refs), 715 __l(newlocale(LC_ALL_MASK, n, 0)) 716{ 717 if (__l == 0) 718 __throw_runtime_error("collate_byname<wchar_t>::collate_byname(size_t refs)" 719 " failed to construct for " + string(n)); 720} 721 722collate_byname<wchar_t>::collate_byname(const string& name, size_t refs) 723 : collate<wchar_t>(refs), 724 __l(newlocale(LC_ALL_MASK, name.c_str(), 0)) 725{ 726 if (__l == 0) 727 __throw_runtime_error("collate_byname<wchar_t>::collate_byname(size_t refs)" 728 " failed to construct for " + name); 729} 730 731collate_byname<wchar_t>::~collate_byname() 732{ 733 freelocale(__l); 734} 735 736int 737collate_byname<wchar_t>::do_compare(const char_type* __lo1, const char_type* __hi1, 738 const char_type* __lo2, const char_type* __hi2) const 739{ 740 string_type lhs(__lo1, __hi1); 741 string_type rhs(__lo2, __hi2); 742 int r = wcscoll_l(lhs.c_str(), rhs.c_str(), __l); 743 if (r < 0) 744 return -1; 745 if (r > 0) 746 return 1; 747 return r; 748} 749 750collate_byname<wchar_t>::string_type 751collate_byname<wchar_t>::do_transform(const char_type* lo, const char_type* hi) const 752{ 753 const string_type in(lo, hi); 754 string_type out(wcsxfrm_l(0, in.c_str(), 0, __l), wchar_t()); 755 wcsxfrm_l(const_cast<wchar_t*>(out.c_str()), in.c_str(), out.size()+1, __l); 756 return out; 757} 758 759// template <> class ctype<wchar_t>; 760 761const ctype_base::mask ctype_base::space; 762const ctype_base::mask ctype_base::print; 763const ctype_base::mask ctype_base::cntrl; 764const ctype_base::mask ctype_base::upper; 765const ctype_base::mask ctype_base::lower; 766const ctype_base::mask ctype_base::alpha; 767const ctype_base::mask ctype_base::digit; 768const ctype_base::mask ctype_base::punct; 769const ctype_base::mask ctype_base::xdigit; 770const ctype_base::mask ctype_base::blank; 771const ctype_base::mask ctype_base::alnum; 772const ctype_base::mask ctype_base::graph; 773 774locale::id ctype<wchar_t>::id; 775 776ctype<wchar_t>::~ctype() 777{ 778} 779 780bool 781ctype<wchar_t>::do_is(mask m, char_type c) const 782{ 783 return isascii(c) ? (ctype<char>::classic_table()[c] & m) != 0 : false; 784} 785 786const wchar_t* 787ctype<wchar_t>::do_is(const char_type* low, const char_type* high, mask* vec) const 788{ 789 for (; low != high; ++low, ++vec) 790 *vec = static_cast<mask>(isascii(*low) ? 791 ctype<char>::classic_table()[*low] : 0); 792 return low; 793} 794 795const wchar_t* 796ctype<wchar_t>::do_scan_is(mask m, const char_type* low, const char_type* high) const 797{ 798 for (; low != high; ++low) 799 if (isascii(*low) && (ctype<char>::classic_table()[*low] & m)) 800 break; 801 return low; 802} 803 804const wchar_t* 805ctype<wchar_t>::do_scan_not(mask m, const char_type* low, const char_type* high) const 806{ 807 for (; low != high; ++low) 808 if (!(isascii(*low) && (ctype<char>::classic_table()[*low] & m))) 809 break; 810 return low; 811} 812 813wchar_t 814ctype<wchar_t>::do_toupper(char_type c) const 815{ 816#ifdef _LIBCPP_HAS_DEFAULTRUNELOCALE 817 return isascii(c) ? _DefaultRuneLocale.__mapupper[c] : c; 818#elif defined(__GLIBC__) || defined(__EMSCRIPTEN__) || \ 819 defined(__NetBSD__) 820 return isascii(c) ? ctype<char>::__classic_upper_table()[c] : c; 821#else 822 return (isascii(c) && iswlower_l(c, _LIBCPP_GET_C_LOCALE)) ? c-L'a'+L'A' : c; 823#endif 824} 825 826const wchar_t* 827ctype<wchar_t>::do_toupper(char_type* low, const char_type* high) const 828{ 829 for (; low != high; ++low) 830#ifdef _LIBCPP_HAS_DEFAULTRUNELOCALE 831 *low = isascii(*low) ? _DefaultRuneLocale.__mapupper[*low] : *low; 832#elif defined(__GLIBC__) || defined(__EMSCRIPTEN__) || \ 833 defined(__NetBSD__) 834 *low = isascii(*low) ? ctype<char>::__classic_upper_table()[*low] 835 : *low; 836#else 837 *low = (isascii(*low) && islower_l(*low, _LIBCPP_GET_C_LOCALE)) ? (*low-L'a'+L'A') : *low; 838#endif 839 return low; 840} 841 842wchar_t 843ctype<wchar_t>::do_tolower(char_type c) const 844{ 845#ifdef _LIBCPP_HAS_DEFAULTRUNELOCALE 846 return isascii(c) ? _DefaultRuneLocale.__maplower[c] : c; 847#elif defined(__GLIBC__) || defined(__EMSCRIPTEN__) || \ 848 defined(__NetBSD__) 849 return isascii(c) ? ctype<char>::__classic_lower_table()[c] : c; 850#else 851 return (isascii(c) && isupper_l(c, _LIBCPP_GET_C_LOCALE)) ? c-L'A'+'a' : c; 852#endif 853} 854 855const wchar_t* 856ctype<wchar_t>::do_tolower(char_type* low, const char_type* high) const 857{ 858 for (; low != high; ++low) 859#ifdef _LIBCPP_HAS_DEFAULTRUNELOCALE 860 *low = isascii(*low) ? _DefaultRuneLocale.__maplower[*low] : *low; 861#elif defined(__GLIBC__) || defined(__EMSCRIPTEN__) || \ 862 defined(__NetBSD__) 863 *low = isascii(*low) ? ctype<char>::__classic_lower_table()[*low] 864 : *low; 865#else 866 *low = (isascii(*low) && isupper_l(*low, _LIBCPP_GET_C_LOCALE)) ? *low-L'A'+L'a' : *low; 867#endif 868 return low; 869} 870 871wchar_t 872ctype<wchar_t>::do_widen(char c) const 873{ 874 return c; 875} 876 877const char* 878ctype<wchar_t>::do_widen(const char* low, const char* high, char_type* dest) const 879{ 880 for (; low != high; ++low, ++dest) 881 *dest = *low; 882 return low; 883} 884 885char 886ctype<wchar_t>::do_narrow(char_type c, char dfault) const 887{ 888 if (isascii(c)) 889 return static_cast<char>(c); 890 return dfault; 891} 892 893const wchar_t* 894ctype<wchar_t>::do_narrow(const char_type* low, const char_type* high, char dfault, char* dest) const 895{ 896 for (; low != high; ++low, ++dest) 897 if (isascii(*low)) 898 *dest = static_cast<char>(*low); 899 else 900 *dest = dfault; 901 return low; 902} 903 904// template <> class ctype<char>; 905 906locale::id ctype<char>::id; 907 908ctype<char>::ctype(const mask* tab, bool del, size_t refs) 909 : locale::facet(refs), 910 __tab_(tab), 911 __del_(del) 912{ 913 if (__tab_ == 0) 914 __tab_ = classic_table(); 915} 916 917ctype<char>::~ctype() 918{ 919 if (__tab_ && __del_) 920 delete [] __tab_; 921} 922 923char 924ctype<char>::do_toupper(char_type c) const 925{ 926#ifdef _LIBCPP_HAS_DEFAULTRUNELOCALE 927 return isascii(c) ? 928 static_cast<char>(_DefaultRuneLocale.__mapupper[static_cast<ptrdiff_t>(c)]) : c; 929#elif defined(__NetBSD__) 930 return static_cast<char>(__classic_upper_table()[static_cast<unsigned char>(c)]); 931#elif defined(__GLIBC__) || defined(__EMSCRIPTEN__) 932 return isascii(c) ? 933 static_cast<char>(__classic_upper_table()[static_cast<unsigned char>(c)]) : c; 934#else 935 return (isascii(c) && islower_l(c, _LIBCPP_GET_C_LOCALE)) ? c-'a'+'A' : c; 936#endif 937} 938 939const char* 940ctype<char>::do_toupper(char_type* low, const char_type* high) const 941{ 942 for (; low != high; ++low) 943#ifdef _LIBCPP_HAS_DEFAULTRUNELOCALE 944 *low = isascii(*low) ? 945 static_cast<char>(_DefaultRuneLocale.__mapupper[static_cast<ptrdiff_t>(*low)]) : *low; 946#elif defined(__NetBSD__) 947 *low = static_cast<char>(__classic_upper_table()[static_cast<unsigned char>(*low)]); 948#elif defined(__GLIBC__) || defined(__EMSCRIPTEN__) 949 *low = isascii(*low) ? 950 static_cast<char>(__classic_upper_table()[static_cast<size_t>(*low)]) : *low; 951#else 952 *low = (isascii(*low) && islower_l(*low, _LIBCPP_GET_C_LOCALE)) ? *low-'a'+'A' : *low; 953#endif 954 return low; 955} 956 957char 958ctype<char>::do_tolower(char_type c) const 959{ 960#ifdef _LIBCPP_HAS_DEFAULTRUNELOCALE 961 return isascii(c) ? 962 static_cast<char>(_DefaultRuneLocale.__maplower[static_cast<ptrdiff_t>(c)]) : c; 963#elif defined(__NetBSD__) 964 return static_cast<char>(__classic_lower_table()[static_cast<unsigned char>(c)]); 965#elif defined(__GLIBC__) || defined(__EMSCRIPTEN__) 966 return isascii(c) ? 967 static_cast<char>(__classic_lower_table()[static_cast<size_t>(c)]) : c; 968#else 969 return (isascii(c) && isupper_l(c, _LIBCPP_GET_C_LOCALE)) ? c-'A'+'a' : c; 970#endif 971} 972 973const char* 974ctype<char>::do_tolower(char_type* low, const char_type* high) const 975{ 976 for (; low != high; ++low) 977#ifdef _LIBCPP_HAS_DEFAULTRUNELOCALE 978 *low = isascii(*low) ? static_cast<char>(_DefaultRuneLocale.__maplower[static_cast<ptrdiff_t>(*low)]) : *low; 979#elif defined(__NetBSD__) 980 *low = static_cast<char>(__classic_lower_table()[static_cast<unsigned char>(*low)]); 981#elif defined(__GLIBC__) || defined(__EMSCRIPTEN__) 982 *low = isascii(*low) ? static_cast<char>(__classic_lower_table()[static_cast<size_t>(*low)]) : *low; 983#else 984 *low = (isascii(*low) && isupper_l(*low, _LIBCPP_GET_C_LOCALE)) ? *low-'A'+'a' : *low; 985#endif 986 return low; 987} 988 989char 990ctype<char>::do_widen(char c) const 991{ 992 return c; 993} 994 995const char* 996ctype<char>::do_widen(const char* low, const char* high, char_type* dest) const 997{ 998 for (; low != high; ++low, ++dest) 999 *dest = *low; 1000 return low; 1001} 1002 1003char 1004ctype<char>::do_narrow(char_type c, char dfault) const 1005{ 1006 if (isascii(c)) 1007 return static_cast<char>(c); 1008 return dfault; 1009} 1010 1011const char* 1012ctype<char>::do_narrow(const char_type* low, const char_type* high, char dfault, char* dest) const 1013{ 1014 for (; low != high; ++low, ++dest) 1015 if (isascii(*low)) 1016 *dest = *low; 1017 else 1018 *dest = dfault; 1019 return low; 1020} 1021 1022#if defined(__EMSCRIPTEN__) 1023extern "C" const unsigned short ** __ctype_b_loc(); 1024extern "C" const int ** __ctype_tolower_loc(); 1025extern "C" const int ** __ctype_toupper_loc(); 1026#endif 1027 1028#ifdef _LIBCPP_PROVIDES_DEFAULT_RUNE_TABLE 1029const ctype<char>::mask* 1030ctype<char>::classic_table() _NOEXCEPT 1031{ 1032 static _LIBCPP_CONSTEXPR const ctype<char>::mask builtin_table[table_size] = { 1033 cntrl, cntrl, 1034 cntrl, cntrl, 1035 cntrl, cntrl, 1036 cntrl, cntrl, 1037 cntrl, cntrl | space | blank, 1038 cntrl | space, cntrl | space, 1039 cntrl | space, cntrl | space, 1040 cntrl, cntrl, 1041 cntrl, cntrl, 1042 cntrl, cntrl, 1043 cntrl, cntrl, 1044 cntrl, cntrl, 1045 cntrl, cntrl, 1046 cntrl, cntrl, 1047 cntrl, cntrl, 1048 cntrl, cntrl, 1049 space | blank | print, punct | print, 1050 punct | print, punct | print, 1051 punct | print, punct | print, 1052 punct | print, punct | print, 1053 punct | print, punct | print, 1054 punct | print, punct | print, 1055 punct | print, punct | print, 1056 punct | print, punct | print, 1057 digit | print | xdigit, digit | print | xdigit, 1058 digit | print | xdigit, digit | print | xdigit, 1059 digit | print | xdigit, digit | print | xdigit, 1060 digit | print | xdigit, digit | print | xdigit, 1061 digit | print | xdigit, digit | print | xdigit, 1062 punct | print, punct | print, 1063 punct | print, punct | print, 1064 punct | print, punct | print, 1065 punct | print, upper | xdigit | print | alpha, 1066 upper | xdigit | print | alpha, upper | xdigit | print | alpha, 1067 upper | xdigit | print | alpha, upper | xdigit | print | alpha, 1068 upper | xdigit | print | alpha, upper | print | alpha, 1069 upper | print | alpha, upper | print | alpha, 1070 upper | print | alpha, upper | print | alpha, 1071 upper | print | alpha, upper | print | alpha, 1072 upper | print | alpha, upper | print | alpha, 1073 upper | print | alpha, upper | print | alpha, 1074 upper | print | alpha, upper | print | alpha, 1075 upper | print | alpha, upper | print | alpha, 1076 upper | print | alpha, upper | print | alpha, 1077 upper | print | alpha, upper | print | alpha, 1078 upper | print | alpha, punct | print, 1079 punct | print, punct | print, 1080 punct | print, punct | print, 1081 punct | print, lower | xdigit | print | alpha, 1082 lower | xdigit | print | alpha, lower | xdigit | print | alpha, 1083 lower | xdigit | print | alpha, lower | xdigit | print | alpha, 1084 lower | xdigit | print | alpha, lower | print | alpha, 1085 lower | print | alpha, lower | print | alpha, 1086 lower | print | alpha, lower | print | alpha, 1087 lower | print | alpha, lower | print | alpha, 1088 lower | print | alpha, lower | print | alpha, 1089 lower | print | alpha, lower | print | alpha, 1090 lower | print | alpha, lower | print | alpha, 1091 lower | print | alpha, lower | print | alpha, 1092 lower | print | alpha, lower | print | alpha, 1093 lower | print | alpha, lower | print | alpha, 1094 lower | print | alpha, punct | print, 1095 punct | print, punct | print, 1096 punct | print, cntrl, 1097 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1098 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1099 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1100 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1101 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1102 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1103 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1104 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 1105 }; 1106 return builtin_table; 1107} 1108#else 1109const ctype<char>::mask* 1110ctype<char>::classic_table() _NOEXCEPT 1111{ 1112#if defined(__APPLE__) || defined(__FreeBSD__) 1113 return _DefaultRuneLocale.__runetype; 1114#elif defined(__NetBSD__) 1115 return _C_ctype_tab_ + 1; 1116#elif defined(__GLIBC__) 1117 return _LIBCPP_GET_C_LOCALE->__ctype_b; 1118#elif __sun__ 1119 return __ctype_mask; 1120#elif defined(_LIBCPP_MSVCRT) || defined(__MINGW32__) 1121 return __pctype_func(); 1122#elif defined(__EMSCRIPTEN__) 1123 return *__ctype_b_loc(); 1124#elif defined(_NEWLIB_VERSION) 1125 // Newlib has a 257-entry table in ctype_.c, where (char)0 starts at [1]. 1126 return _ctype_ + 1; 1127#elif defined(_AIX) 1128 return (const unsigned int *)__lc_ctype_ptr->obj->mask; 1129#else 1130 // Platform not supported: abort so the person doing the port knows what to 1131 // fix 1132# warning ctype<char>::classic_table() is not implemented 1133 printf("ctype<char>::classic_table() is not implemented\n"); 1134 abort(); 1135 return NULL; 1136#endif 1137} 1138#endif 1139 1140#if defined(__GLIBC__) 1141const int* 1142ctype<char>::__classic_lower_table() _NOEXCEPT 1143{ 1144 return _LIBCPP_GET_C_LOCALE->__ctype_tolower; 1145} 1146 1147const int* 1148ctype<char>::__classic_upper_table() _NOEXCEPT 1149{ 1150 return _LIBCPP_GET_C_LOCALE->__ctype_toupper; 1151} 1152#elif __NetBSD__ 1153const short* 1154ctype<char>::__classic_lower_table() _NOEXCEPT 1155{ 1156 return _C_tolower_tab_ + 1; 1157} 1158 1159const short* 1160ctype<char>::__classic_upper_table() _NOEXCEPT 1161{ 1162 return _C_toupper_tab_ + 1; 1163} 1164 1165#elif defined(__EMSCRIPTEN__) 1166const int* 1167ctype<char>::__classic_lower_table() _NOEXCEPT 1168{ 1169 return *__ctype_tolower_loc(); 1170} 1171 1172const int* 1173ctype<char>::__classic_upper_table() _NOEXCEPT 1174{ 1175 return *__ctype_toupper_loc(); 1176} 1177#endif // __GLIBC__ || __NETBSD__ || __EMSCRIPTEN__ 1178 1179// template <> class ctype_byname<char> 1180 1181ctype_byname<char>::ctype_byname(const char* name, size_t refs) 1182 : ctype<char>(0, false, refs), 1183 __l(newlocale(LC_ALL_MASK, name, 0)) 1184{ 1185 if (__l == 0) 1186 __throw_runtime_error("ctype_byname<char>::ctype_byname" 1187 " failed to construct for " + string(name)); 1188} 1189 1190ctype_byname<char>::ctype_byname(const string& name, size_t refs) 1191 : ctype<char>(0, false, refs), 1192 __l(newlocale(LC_ALL_MASK, name.c_str(), 0)) 1193{ 1194 if (__l == 0) 1195 __throw_runtime_error("ctype_byname<char>::ctype_byname" 1196 " failed to construct for " + name); 1197} 1198 1199ctype_byname<char>::~ctype_byname() 1200{ 1201 freelocale(__l); 1202} 1203 1204char 1205ctype_byname<char>::do_toupper(char_type c) const 1206{ 1207 return static_cast<char>(toupper_l(static_cast<unsigned char>(c), __l)); 1208} 1209 1210const char* 1211ctype_byname<char>::do_toupper(char_type* low, const char_type* high) const 1212{ 1213 for (; low != high; ++low) 1214 *low = static_cast<char>(toupper_l(static_cast<unsigned char>(*low), __l)); 1215 return low; 1216} 1217 1218char 1219ctype_byname<char>::do_tolower(char_type c) const 1220{ 1221 return static_cast<char>(tolower_l(static_cast<unsigned char>(c), __l)); 1222} 1223 1224const char* 1225ctype_byname<char>::do_tolower(char_type* low, const char_type* high) const 1226{ 1227 for (; low != high; ++low) 1228 *low = static_cast<char>(tolower_l(static_cast<unsigned char>(*low), __l)); 1229 return low; 1230} 1231 1232// template <> class ctype_byname<wchar_t> 1233 1234ctype_byname<wchar_t>::ctype_byname(const char* name, size_t refs) 1235 : ctype<wchar_t>(refs), 1236 __l(newlocale(LC_ALL_MASK, name, 0)) 1237{ 1238 if (__l == 0) 1239 __throw_runtime_error("ctype_byname<wchar_t>::ctype_byname" 1240 " failed to construct for " + string(name)); 1241} 1242 1243ctype_byname<wchar_t>::ctype_byname(const string& name, size_t refs) 1244 : ctype<wchar_t>(refs), 1245 __l(newlocale(LC_ALL_MASK, name.c_str(), 0)) 1246{ 1247 if (__l == 0) 1248 __throw_runtime_error("ctype_byname<wchar_t>::ctype_byname" 1249 " failed to construct for " + name); 1250} 1251 1252ctype_byname<wchar_t>::~ctype_byname() 1253{ 1254 freelocale(__l); 1255} 1256 1257bool 1258ctype_byname<wchar_t>::do_is(mask m, char_type c) const 1259{ 1260#ifdef _LIBCPP_WCTYPE_IS_MASK 1261 return static_cast<bool>(iswctype_l(c, m, __l)); 1262#else 1263 bool result = false; 1264 wint_t ch = static_cast<wint_t>(c); 1265 if ((m & space) == space) result |= (iswspace_l(ch, __l) != 0); 1266 if ((m & print) == print) result |= (iswprint_l(ch, __l) != 0); 1267 if ((m & cntrl) == cntrl) result |= (iswcntrl_l(ch, __l) != 0); 1268 if ((m & upper) == upper) result |= (iswupper_l(ch, __l) != 0); 1269 if ((m & lower) == lower) result |= (iswlower_l(ch, __l) != 0); 1270 if ((m & alpha) == alpha) result |= (iswalpha_l(ch, __l) != 0); 1271 if ((m & digit) == digit) result |= (iswdigit_l(ch, __l) != 0); 1272 if ((m & punct) == punct) result |= (iswpunct_l(ch, __l) != 0); 1273 if ((m & xdigit) == xdigit) result |= (iswxdigit_l(ch, __l) != 0); 1274 if ((m & blank) == blank) result |= (iswblank_l(ch, __l) != 0); 1275 return result; 1276#endif 1277} 1278 1279const wchar_t* 1280ctype_byname<wchar_t>::do_is(const char_type* low, const char_type* high, mask* vec) const 1281{ 1282 for (; low != high; ++low, ++vec) 1283 { 1284 if (isascii(*low)) 1285 *vec = static_cast<mask>(ctype<char>::classic_table()[*low]); 1286 else 1287 { 1288 *vec = 0; 1289 wint_t ch = static_cast<wint_t>(*low); 1290 if (iswspace_l(ch, __l)) 1291 *vec |= space; 1292#ifndef _LIBCPP_CTYPE_MASK_IS_COMPOSITE_PRINT 1293 if (iswprint_l(ch, __l)) 1294 *vec |= print; 1295#endif 1296 if (iswcntrl_l(ch, __l)) 1297 *vec |= cntrl; 1298 if (iswupper_l(ch, __l)) 1299 *vec |= upper; 1300 if (iswlower_l(ch, __l)) 1301 *vec |= lower; 1302#ifndef _LIBCPP_CTYPE_MASK_IS_COMPOSITE_ALPHA 1303 if (iswalpha_l(ch, __l)) 1304 *vec |= alpha; 1305#endif 1306 if (iswdigit_l(ch, __l)) 1307 *vec |= digit; 1308 if (iswpunct_l(ch, __l)) 1309 *vec |= punct; 1310#ifndef _LIBCPP_CTYPE_MASK_IS_COMPOSITE_XDIGIT 1311 if (iswxdigit_l(ch, __l)) 1312 *vec |= xdigit; 1313#endif 1314#if !defined(__sun__) 1315 if (iswblank_l(ch, __l)) 1316 *vec |= blank; 1317#endif 1318 } 1319 } 1320 return low; 1321} 1322 1323const wchar_t* 1324ctype_byname<wchar_t>::do_scan_is(mask m, const char_type* low, const char_type* high) const 1325{ 1326 for (; low != high; ++low) 1327 { 1328#ifdef _LIBCPP_WCTYPE_IS_MASK 1329 if (iswctype_l(*low, m, __l)) 1330 break; 1331#else 1332 wint_t ch = static_cast<wint_t>(*low); 1333 if ((m & space) == space && iswspace_l(ch, __l)) break; 1334 if ((m & print) == print && iswprint_l(ch, __l)) break; 1335 if ((m & cntrl) == cntrl && iswcntrl_l(ch, __l)) break; 1336 if ((m & upper) == upper && iswupper_l(ch, __l)) break; 1337 if ((m & lower) == lower && iswlower_l(ch, __l)) break; 1338 if ((m & alpha) == alpha && iswalpha_l(ch, __l)) break; 1339 if ((m & digit) == digit && iswdigit_l(ch, __l)) break; 1340 if ((m & punct) == punct && iswpunct_l(ch, __l)) break; 1341 if ((m & xdigit) == xdigit && iswxdigit_l(ch, __l)) break; 1342 if ((m & blank) == blank && iswblank_l(ch, __l)) break; 1343#endif 1344 } 1345 return low; 1346} 1347 1348const wchar_t* 1349ctype_byname<wchar_t>::do_scan_not(mask m, const char_type* low, const char_type* high) const 1350{ 1351 for (; low != high; ++low) 1352 { 1353#ifdef _LIBCPP_WCTYPE_IS_MASK 1354 if (!iswctype_l(*low, m, __l)) 1355 break; 1356#else 1357 wint_t ch = static_cast<wint_t>(*low); 1358 if ((m & space) == space && iswspace_l(ch, __l)) continue; 1359 if ((m & print) == print && iswprint_l(ch, __l)) continue; 1360 if ((m & cntrl) == cntrl && iswcntrl_l(ch, __l)) continue; 1361 if ((m & upper) == upper && iswupper_l(ch, __l)) continue; 1362 if ((m & lower) == lower && iswlower_l(ch, __l)) continue; 1363 if ((m & alpha) == alpha && iswalpha_l(ch, __l)) continue; 1364 if ((m & digit) == digit && iswdigit_l(ch, __l)) continue; 1365 if ((m & punct) == punct && iswpunct_l(ch, __l)) continue; 1366 if ((m & xdigit) == xdigit && iswxdigit_l(ch, __l)) continue; 1367 if ((m & blank) == blank && iswblank_l(ch, __l)) continue; 1368 break; 1369#endif 1370 } 1371 return low; 1372} 1373 1374wchar_t 1375ctype_byname<wchar_t>::do_toupper(char_type c) const 1376{ 1377 return towupper_l(c, __l); 1378} 1379 1380const wchar_t* 1381ctype_byname<wchar_t>::do_toupper(char_type* low, const char_type* high) const 1382{ 1383 for (; low != high; ++low) 1384 *low = towupper_l(*low, __l); 1385 return low; 1386} 1387 1388wchar_t 1389ctype_byname<wchar_t>::do_tolower(char_type c) const 1390{ 1391 return towlower_l(c, __l); 1392} 1393 1394const wchar_t* 1395ctype_byname<wchar_t>::do_tolower(char_type* low, const char_type* high) const 1396{ 1397 for (; low != high; ++low) 1398 *low = towlower_l(*low, __l); 1399 return low; 1400} 1401 1402wchar_t 1403ctype_byname<wchar_t>::do_widen(char c) const 1404{ 1405 return __libcpp_btowc_l(c, __l); 1406} 1407 1408const char* 1409ctype_byname<wchar_t>::do_widen(const char* low, const char* high, char_type* dest) const 1410{ 1411 for (; low != high; ++low, ++dest) 1412 *dest = __libcpp_btowc_l(*low, __l); 1413 return low; 1414} 1415 1416char 1417ctype_byname<wchar_t>::do_narrow(char_type c, char dfault) const 1418{ 1419 int r = __libcpp_wctob_l(c, __l); 1420 return r != static_cast<int>(WEOF) ? static_cast<char>(r) : dfault; 1421} 1422 1423const wchar_t* 1424ctype_byname<wchar_t>::do_narrow(const char_type* low, const char_type* high, char dfault, char* dest) const 1425{ 1426 for (; low != high; ++low, ++dest) 1427 { 1428 int r = __libcpp_wctob_l(*low, __l); 1429 *dest = r != static_cast<int>(WEOF) ? static_cast<char>(r) : dfault; 1430 } 1431 return low; 1432} 1433 1434// template <> class codecvt<char, char, mbstate_t> 1435 1436locale::id codecvt<char, char, mbstate_t>::id; 1437 1438codecvt<char, char, mbstate_t>::~codecvt() 1439{ 1440} 1441 1442codecvt<char, char, mbstate_t>::result 1443codecvt<char, char, mbstate_t>::do_out(state_type&, 1444 const intern_type* frm, const intern_type*, const intern_type*& frm_nxt, 1445 extern_type* to, extern_type*, extern_type*& to_nxt) const 1446{ 1447 frm_nxt = frm; 1448 to_nxt = to; 1449 return noconv; 1450} 1451 1452codecvt<char, char, mbstate_t>::result 1453codecvt<char, char, mbstate_t>::do_in(state_type&, 1454 const extern_type* frm, const extern_type*, const extern_type*& frm_nxt, 1455 intern_type* to, intern_type*, intern_type*& to_nxt) const 1456{ 1457 frm_nxt = frm; 1458 to_nxt = to; 1459 return noconv; 1460} 1461 1462codecvt<char, char, mbstate_t>::result 1463codecvt<char, char, mbstate_t>::do_unshift(state_type&, 1464 extern_type* to, extern_type*, extern_type*& to_nxt) const 1465{ 1466 to_nxt = to; 1467 return noconv; 1468} 1469 1470int 1471codecvt<char, char, mbstate_t>::do_encoding() const _NOEXCEPT 1472{ 1473 return 1; 1474} 1475 1476bool 1477codecvt<char, char, mbstate_t>::do_always_noconv() const _NOEXCEPT 1478{ 1479 return true; 1480} 1481 1482int 1483codecvt<char, char, mbstate_t>::do_length(state_type&, 1484 const extern_type* frm, const extern_type* end, size_t mx) const 1485{ 1486 return static_cast<int>(min<size_t>(mx, static_cast<size_t>(end-frm))); 1487} 1488 1489int 1490codecvt<char, char, mbstate_t>::do_max_length() const _NOEXCEPT 1491{ 1492 return 1; 1493} 1494 1495// template <> class codecvt<wchar_t, char, mbstate_t> 1496 1497locale::id codecvt<wchar_t, char, mbstate_t>::id; 1498 1499codecvt<wchar_t, char, mbstate_t>::codecvt(size_t refs) 1500 : locale::facet(refs), 1501 __l(_LIBCPP_GET_C_LOCALE) 1502{ 1503} 1504 1505codecvt<wchar_t, char, mbstate_t>::codecvt(const char* nm, size_t refs) 1506 : locale::facet(refs), 1507 __l(newlocale(LC_ALL_MASK, nm, 0)) 1508{ 1509 if (__l == 0) 1510 __throw_runtime_error("codecvt_byname<wchar_t, char, mbstate_t>::codecvt_byname" 1511 " failed to construct for " + string(nm)); 1512} 1513 1514codecvt<wchar_t, char, mbstate_t>::~codecvt() 1515{ 1516 if (__l != _LIBCPP_GET_C_LOCALE) 1517 freelocale(__l); 1518} 1519 1520codecvt<wchar_t, char, mbstate_t>::result 1521codecvt<wchar_t, char, mbstate_t>::do_out(state_type& st, 1522 const intern_type* frm, const intern_type* frm_end, const intern_type*& frm_nxt, 1523 extern_type* to, extern_type* to_end, extern_type*& to_nxt) const 1524{ 1525 // look for first internal null in frm 1526 const intern_type* fend = frm; 1527 for (; fend != frm_end; ++fend) 1528 if (*fend == 0) 1529 break; 1530 // loop over all null-terminated sequences in frm 1531 to_nxt = to; 1532 for (frm_nxt = frm; frm != frm_end && to != to_end; frm = frm_nxt, to = to_nxt) 1533 { 1534 // save state in case it is needed to recover to_nxt on error 1535 mbstate_t save_state = st; 1536 size_t n = __libcpp_wcsnrtombs_l(to, &frm_nxt, static_cast<size_t>(fend-frm), 1537 static_cast<size_t>(to_end-to), &st, __l); 1538 if (n == size_t(-1)) 1539 { 1540 // need to recover to_nxt 1541 for (to_nxt = to; frm != frm_nxt; ++frm) 1542 { 1543 n = __libcpp_wcrtomb_l(to_nxt, *frm, &save_state, __l); 1544 if (n == size_t(-1)) 1545 break; 1546 to_nxt += n; 1547 } 1548 frm_nxt = frm; 1549 return error; 1550 } 1551 if (n == 0) 1552 return partial; 1553 to_nxt += n; 1554 if (to_nxt == to_end) 1555 break; 1556 if (fend != frm_end) // set up next null terminated sequence 1557 { 1558 // Try to write the terminating null 1559 extern_type tmp[MB_LEN_MAX]; 1560 n = __libcpp_wcrtomb_l(tmp, intern_type(), &st, __l); 1561 if (n == size_t(-1)) // on error 1562 return error; 1563 if (n > static_cast<size_t>(to_end-to_nxt)) // is there room? 1564 return partial; 1565 for (extern_type* p = tmp; n; --n) // write it 1566 *to_nxt++ = *p++; 1567 ++frm_nxt; 1568 // look for next null in frm 1569 for (fend = frm_nxt; fend != frm_end; ++fend) 1570 if (*fend == 0) 1571 break; 1572 } 1573 } 1574 return frm_nxt == frm_end ? ok : partial; 1575} 1576 1577codecvt<wchar_t, char, mbstate_t>::result 1578codecvt<wchar_t, char, mbstate_t>::do_in(state_type& st, 1579 const extern_type* frm, const extern_type* frm_end, const extern_type*& frm_nxt, 1580 intern_type* to, intern_type* to_end, intern_type*& to_nxt) const 1581{ 1582 // look for first internal null in frm 1583 const extern_type* fend = frm; 1584 for (; fend != frm_end; ++fend) 1585 if (*fend == 0) 1586 break; 1587 // loop over all null-terminated sequences in frm 1588 to_nxt = to; 1589 for (frm_nxt = frm; frm != frm_end && to != to_end; frm = frm_nxt, to = to_nxt) 1590 { 1591 // save state in case it is needed to recover to_nxt on error 1592 mbstate_t save_state = st; 1593 size_t n = __libcpp_mbsnrtowcs_l(to, &frm_nxt, static_cast<size_t>(fend-frm), 1594 static_cast<size_t>(to_end-to), &st, __l); 1595 if (n == size_t(-1)) 1596 { 1597 // need to recover to_nxt 1598 for (to_nxt = to; frm != frm_nxt; ++to_nxt) 1599 { 1600 n = __libcpp_mbrtowc_l(to_nxt, frm, static_cast<size_t>(fend-frm), 1601 &save_state, __l); 1602 switch (n) 1603 { 1604 case 0: 1605 ++frm; 1606 break; 1607 case size_t(-1): 1608 frm_nxt = frm; 1609 return error; 1610 case size_t(-2): 1611 frm_nxt = frm; 1612 return partial; 1613 default: 1614 frm += n; 1615 break; 1616 } 1617 } 1618 frm_nxt = frm; 1619 return frm_nxt == frm_end ? ok : partial; 1620 } 1621 if (n == size_t(-1)) 1622 return error; 1623 to_nxt += n; 1624 if (to_nxt == to_end) 1625 break; 1626 if (fend != frm_end) // set up next null terminated sequence 1627 { 1628 // Try to write the terminating null 1629 n = __libcpp_mbrtowc_l(to_nxt, frm_nxt, 1, &st, __l); 1630 if (n != 0) // on error 1631 return error; 1632 ++to_nxt; 1633 ++frm_nxt; 1634 // look for next null in frm 1635 for (fend = frm_nxt; fend != frm_end; ++fend) 1636 if (*fend == 0) 1637 break; 1638 } 1639 } 1640 return frm_nxt == frm_end ? ok : partial; 1641} 1642 1643codecvt<wchar_t, char, mbstate_t>::result 1644codecvt<wchar_t, char, mbstate_t>::do_unshift(state_type& st, 1645 extern_type* to, extern_type* to_end, extern_type*& to_nxt) const 1646{ 1647 to_nxt = to; 1648 extern_type tmp[MB_LEN_MAX]; 1649 size_t n = __libcpp_wcrtomb_l(tmp, intern_type(), &st, __l); 1650 if (n == size_t(-1) || n == 0) // on error 1651 return error; 1652 --n; 1653 if (n > static_cast<size_t>(to_end-to_nxt)) // is there room? 1654 return partial; 1655 for (extern_type* p = tmp; n; --n) // write it 1656 *to_nxt++ = *p++; 1657 return ok; 1658} 1659 1660int 1661codecvt<wchar_t, char, mbstate_t>::do_encoding() const _NOEXCEPT 1662{ 1663 if (__libcpp_mbtowc_l(nullptr, nullptr, MB_LEN_MAX, __l) != 0) 1664 return -1; 1665 1666 // stateless encoding 1667 if (__l == 0 || __libcpp_mb_cur_max_l(__l) == 1) // there are no known constant length encodings 1668 return 1; // which take more than 1 char to form a wchar_t 1669 return 0; 1670} 1671 1672bool 1673codecvt<wchar_t, char, mbstate_t>::do_always_noconv() const _NOEXCEPT 1674{ 1675 return false; 1676} 1677 1678int 1679codecvt<wchar_t, char, mbstate_t>::do_length(state_type& st, 1680 const extern_type* frm, const extern_type* frm_end, size_t mx) const 1681{ 1682 int nbytes = 0; 1683 for (size_t nwchar_t = 0; nwchar_t < mx && frm != frm_end; ++nwchar_t) 1684 { 1685 size_t n = __libcpp_mbrlen_l(frm, static_cast<size_t>(frm_end-frm), &st, __l); 1686 switch (n) 1687 { 1688 case 0: 1689 ++nbytes; 1690 ++frm; 1691 break; 1692 case size_t(-1): 1693 case size_t(-2): 1694 return nbytes; 1695 default: 1696 nbytes += n; 1697 frm += n; 1698 break; 1699 } 1700 } 1701 return nbytes; 1702} 1703 1704int 1705codecvt<wchar_t, char, mbstate_t>::do_max_length() const _NOEXCEPT 1706{ 1707 return __l == 0 ? 1 : static_cast<int>(__libcpp_mb_cur_max_l(__l)); 1708} 1709 1710// Valid UTF ranges 1711// UTF-32 UTF-16 UTF-8 # of code points 1712// first second first second third fourth 1713// 000000 - 00007F 0000 - 007F 00 - 7F 127 1714// 000080 - 0007FF 0080 - 07FF C2 - DF, 80 - BF 1920 1715// 000800 - 000FFF 0800 - 0FFF E0 - E0, A0 - BF, 80 - BF 2048 1716// 001000 - 00CFFF 1000 - CFFF E1 - EC, 80 - BF, 80 - BF 49152 1717// 00D000 - 00D7FF D000 - D7FF ED - ED, 80 - 9F, 80 - BF 2048 1718// 00D800 - 00DFFF invalid 1719// 00E000 - 00FFFF E000 - FFFF EE - EF, 80 - BF, 80 - BF 8192 1720// 010000 - 03FFFF D800 - D8BF, DC00 - DFFF F0 - F0, 90 - BF, 80 - BF, 80 - BF 196608 1721// 040000 - 0FFFFF D8C0 - DBBF, DC00 - DFFF F1 - F3, 80 - BF, 80 - BF, 80 - BF 786432 1722// 100000 - 10FFFF DBC0 - DBFF, DC00 - DFFF F4 - F4, 80 - 8F, 80 - BF, 80 - BF 65536 1723 1724static 1725codecvt_base::result 1726utf16_to_utf8(const uint16_t* frm, const uint16_t* frm_end, const uint16_t*& frm_nxt, 1727 uint8_t* to, uint8_t* to_end, uint8_t*& to_nxt, 1728 unsigned long Maxcode = 0x10FFFF, codecvt_mode mode = codecvt_mode(0)) 1729{ 1730 frm_nxt = frm; 1731 to_nxt = to; 1732 if (mode & generate_header) 1733 { 1734 if (to_end-to_nxt < 3) 1735 return codecvt_base::partial; 1736 *to_nxt++ = static_cast<uint8_t>(0xEF); 1737 *to_nxt++ = static_cast<uint8_t>(0xBB); 1738 *to_nxt++ = static_cast<uint8_t>(0xBF); 1739 } 1740 for (; frm_nxt < frm_end; ++frm_nxt) 1741 { 1742 uint16_t wc1 = *frm_nxt; 1743 if (wc1 > Maxcode) 1744 return codecvt_base::error; 1745 if (wc1 < 0x0080) 1746 { 1747 if (to_end-to_nxt < 1) 1748 return codecvt_base::partial; 1749 *to_nxt++ = static_cast<uint8_t>(wc1); 1750 } 1751 else if (wc1 < 0x0800) 1752 { 1753 if (to_end-to_nxt < 2) 1754 return codecvt_base::partial; 1755 *to_nxt++ = static_cast<uint8_t>(0xC0 | (wc1 >> 6)); 1756 *to_nxt++ = static_cast<uint8_t>(0x80 | (wc1 & 0x03F)); 1757 } 1758 else if (wc1 < 0xD800) 1759 { 1760 if (to_end-to_nxt < 3) 1761 return codecvt_base::partial; 1762 *to_nxt++ = static_cast<uint8_t>(0xE0 | (wc1 >> 12)); 1763 *to_nxt++ = static_cast<uint8_t>(0x80 | ((wc1 & 0x0FC0) >> 6)); 1764 *to_nxt++ = static_cast<uint8_t>(0x80 | (wc1 & 0x003F)); 1765 } 1766 else if (wc1 < 0xDC00) 1767 { 1768 if (frm_end-frm_nxt < 2) 1769 return codecvt_base::partial; 1770 uint16_t wc2 = frm_nxt[1]; 1771 if ((wc2 & 0xFC00) != 0xDC00) 1772 return codecvt_base::error; 1773 if (to_end-to_nxt < 4) 1774 return codecvt_base::partial; 1775 if (((((wc1 & 0x03C0UL) >> 6) + 1) << 16) + 1776 ((wc1 & 0x003FUL) << 10) + (wc2 & 0x03FF) > Maxcode) 1777 return codecvt_base::error; 1778 ++frm_nxt; 1779 uint8_t z = ((wc1 & 0x03C0) >> 6) + 1; 1780 *to_nxt++ = static_cast<uint8_t>(0xF0 | (z >> 2)); 1781 *to_nxt++ = static_cast<uint8_t>(0x80 | ((z & 0x03) << 4) | ((wc1 & 0x003C) >> 2)); 1782 *to_nxt++ = static_cast<uint8_t>(0x80 | ((wc1 & 0x0003) << 4) | ((wc2 & 0x03C0) >> 6)); 1783 *to_nxt++ = static_cast<uint8_t>(0x80 | (wc2 & 0x003F)); 1784 } 1785 else if (wc1 < 0xE000) 1786 { 1787 return codecvt_base::error; 1788 } 1789 else 1790 { 1791 if (to_end-to_nxt < 3) 1792 return codecvt_base::partial; 1793 *to_nxt++ = static_cast<uint8_t>(0xE0 | (wc1 >> 12)); 1794 *to_nxt++ = static_cast<uint8_t>(0x80 | ((wc1 & 0x0FC0) >> 6)); 1795 *to_nxt++ = static_cast<uint8_t>(0x80 | (wc1 & 0x003F)); 1796 } 1797 } 1798 return codecvt_base::ok; 1799} 1800 1801static 1802codecvt_base::result 1803utf16_to_utf8(const uint32_t* frm, const uint32_t* frm_end, const uint32_t*& frm_nxt, 1804 uint8_t* to, uint8_t* to_end, uint8_t*& to_nxt, 1805 unsigned long Maxcode = 0x10FFFF, codecvt_mode mode = codecvt_mode(0)) 1806{ 1807 frm_nxt = frm; 1808 to_nxt = to; 1809 if (mode & generate_header) 1810 { 1811 if (to_end-to_nxt < 3) 1812 return codecvt_base::partial; 1813 *to_nxt++ = static_cast<uint8_t>(0xEF); 1814 *to_nxt++ = static_cast<uint8_t>(0xBB); 1815 *to_nxt++ = static_cast<uint8_t>(0xBF); 1816 } 1817 for (; frm_nxt < frm_end; ++frm_nxt) 1818 { 1819 uint16_t wc1 = static_cast<uint16_t>(*frm_nxt); 1820 if (wc1 > Maxcode) 1821 return codecvt_base::error; 1822 if (wc1 < 0x0080) 1823 { 1824 if (to_end-to_nxt < 1) 1825 return codecvt_base::partial; 1826 *to_nxt++ = static_cast<uint8_t>(wc1); 1827 } 1828 else if (wc1 < 0x0800) 1829 { 1830 if (to_end-to_nxt < 2) 1831 return codecvt_base::partial; 1832 *to_nxt++ = static_cast<uint8_t>(0xC0 | (wc1 >> 6)); 1833 *to_nxt++ = static_cast<uint8_t>(0x80 | (wc1 & 0x03F)); 1834 } 1835 else if (wc1 < 0xD800) 1836 { 1837 if (to_end-to_nxt < 3) 1838 return codecvt_base::partial; 1839 *to_nxt++ = static_cast<uint8_t>(0xE0 | (wc1 >> 12)); 1840 *to_nxt++ = static_cast<uint8_t>(0x80 | ((wc1 & 0x0FC0) >> 6)); 1841 *to_nxt++ = static_cast<uint8_t>(0x80 | (wc1 & 0x003F)); 1842 } 1843 else if (wc1 < 0xDC00) 1844 { 1845 if (frm_end-frm_nxt < 2) 1846 return codecvt_base::partial; 1847 uint16_t wc2 = static_cast<uint16_t>(frm_nxt[1]); 1848 if ((wc2 & 0xFC00) != 0xDC00) 1849 return codecvt_base::error; 1850 if (to_end-to_nxt < 4) 1851 return codecvt_base::partial; 1852 if (((((wc1 & 0x03C0UL) >> 6) + 1) << 16) + 1853 ((wc1 & 0x003FUL) << 10) + (wc2 & 0x03FF) > Maxcode) 1854 return codecvt_base::error; 1855 ++frm_nxt; 1856 uint8_t z = ((wc1 & 0x03C0) >> 6) + 1; 1857 *to_nxt++ = static_cast<uint8_t>(0xF0 | (z >> 2)); 1858 *to_nxt++ = static_cast<uint8_t>(0x80 | ((z & 0x03) << 4) | ((wc1 & 0x003C) >> 2)); 1859 *to_nxt++ = static_cast<uint8_t>(0x80 | ((wc1 & 0x0003) << 4) | ((wc2 & 0x03C0) >> 6)); 1860 *to_nxt++ = static_cast<uint8_t>(0x80 | (wc2 & 0x003F)); 1861 } 1862 else if (wc1 < 0xE000) 1863 { 1864 return codecvt_base::error; 1865 } 1866 else 1867 { 1868 if (to_end-to_nxt < 3) 1869 return codecvt_base::partial; 1870 *to_nxt++ = static_cast<uint8_t>(0xE0 | (wc1 >> 12)); 1871 *to_nxt++ = static_cast<uint8_t>(0x80 | ((wc1 & 0x0FC0) >> 6)); 1872 *to_nxt++ = static_cast<uint8_t>(0x80 | (wc1 & 0x003F)); 1873 } 1874 } 1875 return codecvt_base::ok; 1876} 1877 1878static 1879codecvt_base::result 1880utf8_to_utf16(const uint8_t* frm, const uint8_t* frm_end, const uint8_t*& frm_nxt, 1881 uint16_t* to, uint16_t* to_end, uint16_t*& to_nxt, 1882 unsigned long Maxcode = 0x10FFFF, codecvt_mode mode = codecvt_mode(0)) 1883{ 1884 frm_nxt = frm; 1885 to_nxt = to; 1886 if (mode & consume_header) 1887 { 1888 if (frm_end-frm_nxt >= 3 && frm_nxt[0] == 0xEF && frm_nxt[1] == 0xBB && 1889 frm_nxt[2] == 0xBF) 1890 frm_nxt += 3; 1891 } 1892 for (; frm_nxt < frm_end && to_nxt < to_end; ++to_nxt) 1893 { 1894 uint8_t c1 = *frm_nxt; 1895 if (c1 > Maxcode) 1896 return codecvt_base::error; 1897 if (c1 < 0x80) 1898 { 1899 *to_nxt = static_cast<uint16_t>(c1); 1900 ++frm_nxt; 1901 } 1902 else if (c1 < 0xC2) 1903 { 1904 return codecvt_base::error; 1905 } 1906 else if (c1 < 0xE0) 1907 { 1908 if (frm_end-frm_nxt < 2) 1909 return codecvt_base::partial; 1910 uint8_t c2 = frm_nxt[1]; 1911 if ((c2 & 0xC0) != 0x80) 1912 return codecvt_base::error; 1913 uint16_t t = static_cast<uint16_t>(((c1 & 0x1F) << 6) | (c2 & 0x3F)); 1914 if (t > Maxcode) 1915 return codecvt_base::error; 1916 *to_nxt = t; 1917 frm_nxt += 2; 1918 } 1919 else if (c1 < 0xF0) 1920 { 1921 if (frm_end-frm_nxt < 3) 1922 return codecvt_base::partial; 1923 uint8_t c2 = frm_nxt[1]; 1924 uint8_t c3 = frm_nxt[2]; 1925 switch (c1) 1926 { 1927 case 0xE0: 1928 if ((c2 & 0xE0) != 0xA0) 1929 return codecvt_base::error; 1930 break; 1931 case 0xED: 1932 if ((c2 & 0xE0) != 0x80) 1933 return codecvt_base::error; 1934 break; 1935 default: 1936 if ((c2 & 0xC0) != 0x80) 1937 return codecvt_base::error; 1938 break; 1939 } 1940 if ((c3 & 0xC0) != 0x80) 1941 return codecvt_base::error; 1942 uint16_t t = static_cast<uint16_t>(((c1 & 0x0F) << 12) 1943 | ((c2 & 0x3F) << 6) 1944 | (c3 & 0x3F)); 1945 if (t > Maxcode) 1946 return codecvt_base::error; 1947 *to_nxt = t; 1948 frm_nxt += 3; 1949 } 1950 else if (c1 < 0xF5) 1951 { 1952 if (frm_end-frm_nxt < 4) 1953 return codecvt_base::partial; 1954 uint8_t c2 = frm_nxt[1]; 1955 uint8_t c3 = frm_nxt[2]; 1956 uint8_t c4 = frm_nxt[3]; 1957 switch (c1) 1958 { 1959 case 0xF0: 1960 if (!(0x90 <= c2 && c2 <= 0xBF)) 1961 return codecvt_base::error; 1962 break; 1963 case 0xF4: 1964 if ((c2 & 0xF0) != 0x80) 1965 return codecvt_base::error; 1966 break; 1967 default: 1968 if ((c2 & 0xC0) != 0x80) 1969 return codecvt_base::error; 1970 break; 1971 } 1972 if ((c3 & 0xC0) != 0x80 || (c4 & 0xC0) != 0x80) 1973 return codecvt_base::error; 1974 if (to_end-to_nxt < 2) 1975 return codecvt_base::partial; 1976 if ((((c1 & 7UL) << 18) + 1977 ((c2 & 0x3FUL) << 12) + 1978 ((c3 & 0x3FUL) << 6) + (c4 & 0x3F)) > Maxcode) 1979 return codecvt_base::error; 1980 *to_nxt = static_cast<uint16_t>( 1981 0xD800 1982 | (((((c1 & 0x07) << 2) | ((c2 & 0x30) >> 4)) - 1) << 6) 1983 | ((c2 & 0x0F) << 2) 1984 | ((c3 & 0x30) >> 4)); 1985 *++to_nxt = static_cast<uint16_t>( 1986 0xDC00 1987 | ((c3 & 0x0F) << 6) 1988 | (c4 & 0x3F)); 1989 frm_nxt += 4; 1990 } 1991 else 1992 { 1993 return codecvt_base::error; 1994 } 1995 } 1996 return frm_nxt < frm_end ? codecvt_base::partial : codecvt_base::ok; 1997} 1998 1999static 2000codecvt_base::result 2001utf8_to_utf16(const uint8_t* frm, const uint8_t* frm_end, const uint8_t*& frm_nxt, 2002 uint32_t* to, uint32_t* to_end, uint32_t*& to_nxt, 2003 unsigned long Maxcode = 0x10FFFF, codecvt_mode mode = codecvt_mode(0)) 2004{ 2005 frm_nxt = frm; 2006 to_nxt = to; 2007 if (mode & consume_header) 2008 { 2009 if (frm_end-frm_nxt >= 3 && frm_nxt[0] == 0xEF && frm_nxt[1] == 0xBB && 2010 frm_nxt[2] == 0xBF) 2011 frm_nxt += 3; 2012 } 2013 for (; frm_nxt < frm_end && to_nxt < to_end; ++to_nxt) 2014 { 2015 uint8_t c1 = *frm_nxt; 2016 if (c1 > Maxcode) 2017 return codecvt_base::error; 2018 if (c1 < 0x80) 2019 { 2020 *to_nxt = static_cast<uint32_t>(c1); 2021 ++frm_nxt; 2022 } 2023 else if (c1 < 0xC2) 2024 { 2025 return codecvt_base::error; 2026 } 2027 else if (c1 < 0xE0) 2028 { 2029 if (frm_end-frm_nxt < 2) 2030 return codecvt_base::partial; 2031 uint8_t c2 = frm_nxt[1]; 2032 if ((c2 & 0xC0) != 0x80) 2033 return codecvt_base::error; 2034 uint16_t t = static_cast<uint16_t>(((c1 & 0x1F) << 6) | (c2 & 0x3F)); 2035 if (t > Maxcode) 2036 return codecvt_base::error; 2037 *to_nxt = static_cast<uint32_t>(t); 2038 frm_nxt += 2; 2039 } 2040 else if (c1 < 0xF0) 2041 { 2042 if (frm_end-frm_nxt < 3) 2043 return codecvt_base::partial; 2044 uint8_t c2 = frm_nxt[1]; 2045 uint8_t c3 = frm_nxt[2]; 2046 switch (c1) 2047 { 2048 case 0xE0: 2049 if ((c2 & 0xE0) != 0xA0) 2050 return codecvt_base::error; 2051 break; 2052 case 0xED: 2053 if ((c2 & 0xE0) != 0x80) 2054 return codecvt_base::error; 2055 break; 2056 default: 2057 if ((c2 & 0xC0) != 0x80) 2058 return codecvt_base::error; 2059 break; 2060 } 2061 if ((c3 & 0xC0) != 0x80) 2062 return codecvt_base::error; 2063 uint16_t t = static_cast<uint16_t>(((c1 & 0x0F) << 12) 2064 | ((c2 & 0x3F) << 6) 2065 | (c3 & 0x3F)); 2066 if (t > Maxcode) 2067 return codecvt_base::error; 2068 *to_nxt = static_cast<uint32_t>(t); 2069 frm_nxt += 3; 2070 } 2071 else if (c1 < 0xF5) 2072 { 2073 if (frm_end-frm_nxt < 4) 2074 return codecvt_base::partial; 2075 uint8_t c2 = frm_nxt[1]; 2076 uint8_t c3 = frm_nxt[2]; 2077 uint8_t c4 = frm_nxt[3]; 2078 switch (c1) 2079 { 2080 case 0xF0: 2081 if (!(0x90 <= c2 && c2 <= 0xBF)) 2082 return codecvt_base::error; 2083 break; 2084 case 0xF4: 2085 if ((c2 & 0xF0) != 0x80) 2086 return codecvt_base::error; 2087 break; 2088 default: 2089 if ((c2 & 0xC0) != 0x80) 2090 return codecvt_base::error; 2091 break; 2092 } 2093 if ((c3 & 0xC0) != 0x80 || (c4 & 0xC0) != 0x80) 2094 return codecvt_base::error; 2095 if (to_end-to_nxt < 2) 2096 return codecvt_base::partial; 2097 if ((((c1 & 7UL) << 18) + 2098 ((c2 & 0x3FUL) << 12) + 2099 ((c3 & 0x3FUL) << 6) + (c4 & 0x3F)) > Maxcode) 2100 return codecvt_base::error; 2101 *to_nxt = static_cast<uint32_t>( 2102 0xD800 2103 | (((((c1 & 0x07) << 2) | ((c2 & 0x30) >> 4)) - 1) << 6) 2104 | ((c2 & 0x0F) << 2) 2105 | ((c3 & 0x30) >> 4)); 2106 *++to_nxt = static_cast<uint32_t>( 2107 0xDC00 2108 | ((c3 & 0x0F) << 6) 2109 | (c4 & 0x3F)); 2110 frm_nxt += 4; 2111 } 2112 else 2113 { 2114 return codecvt_base::error; 2115 } 2116 } 2117 return frm_nxt < frm_end ? codecvt_base::partial : codecvt_base::ok; 2118} 2119 2120static 2121int 2122utf8_to_utf16_length(const uint8_t* frm, const uint8_t* frm_end, 2123 size_t mx, unsigned long Maxcode = 0x10FFFF, 2124 codecvt_mode mode = codecvt_mode(0)) 2125{ 2126 const uint8_t* frm_nxt = frm; 2127 if (mode & consume_header) 2128 { 2129 if (frm_end-frm_nxt >= 3 && frm_nxt[0] == 0xEF && frm_nxt[1] == 0xBB && 2130 frm_nxt[2] == 0xBF) 2131 frm_nxt += 3; 2132 } 2133 for (size_t nchar16_t = 0; frm_nxt < frm_end && nchar16_t < mx; ++nchar16_t) 2134 { 2135 uint8_t c1 = *frm_nxt; 2136 if (c1 > Maxcode) 2137 break; 2138 if (c1 < 0x80) 2139 { 2140 ++frm_nxt; 2141 } 2142 else if (c1 < 0xC2) 2143 { 2144 break; 2145 } 2146 else if (c1 < 0xE0) 2147 { 2148 if ((frm_end-frm_nxt < 2) || (frm_nxt[1] & 0xC0) != 0x80) 2149 break; 2150 uint16_t t = static_cast<uint16_t>(((c1 & 0x1F) << 6) | (frm_nxt[1] & 0x3F)); 2151 if (t > Maxcode) 2152 break; 2153 frm_nxt += 2; 2154 } 2155 else if (c1 < 0xF0) 2156 { 2157 if (frm_end-frm_nxt < 3) 2158 break; 2159 uint8_t c2 = frm_nxt[1]; 2160 uint8_t c3 = frm_nxt[2]; 2161 switch (c1) 2162 { 2163 case 0xE0: 2164 if ((c2 & 0xE0) != 0xA0) 2165 return static_cast<int>(frm_nxt - frm); 2166 break; 2167 case 0xED: 2168 if ((c2 & 0xE0) != 0x80) 2169 return static_cast<int>(frm_nxt - frm); 2170 break; 2171 default: 2172 if ((c2 & 0xC0) != 0x80) 2173 return static_cast<int>(frm_nxt - frm); 2174 break; 2175 } 2176 if ((c3 & 0xC0) != 0x80) 2177 break; 2178 if ((((c1 & 0x0Fu) << 12) | ((c2 & 0x3Fu) << 6) | (c3 & 0x3Fu)) > Maxcode) 2179 break; 2180 frm_nxt += 3; 2181 } 2182 else if (c1 < 0xF5) 2183 { 2184 if (frm_end-frm_nxt < 4 || mx-nchar16_t < 2) 2185 break; 2186 uint8_t c2 = frm_nxt[1]; 2187 uint8_t c3 = frm_nxt[2]; 2188 uint8_t c4 = frm_nxt[3]; 2189 switch (c1) 2190 { 2191 case 0xF0: 2192 if (!(0x90 <= c2 && c2 <= 0xBF)) 2193 return static_cast<int>(frm_nxt - frm); 2194 break; 2195 case 0xF4: 2196 if ((c2 & 0xF0) != 0x80) 2197 return static_cast<int>(frm_nxt - frm); 2198 break; 2199 default: 2200 if ((c2 & 0xC0) != 0x80) 2201 return static_cast<int>(frm_nxt - frm); 2202 break; 2203 } 2204 if ((c3 & 0xC0) != 0x80 || (c4 & 0xC0) != 0x80) 2205 break; 2206 if ((((c1 & 7UL) << 18) + 2207 ((c2 & 0x3FUL) << 12) + 2208 ((c3 & 0x3FUL) << 6) + (c4 & 0x3F)) > Maxcode) 2209 break; 2210 ++nchar16_t; 2211 frm_nxt += 4; 2212 } 2213 else 2214 { 2215 break; 2216 } 2217 } 2218 return static_cast<int>(frm_nxt - frm); 2219} 2220 2221static 2222codecvt_base::result 2223ucs4_to_utf8(const uint32_t* frm, const uint32_t* frm_end, const uint32_t*& frm_nxt, 2224 uint8_t* to, uint8_t* to_end, uint8_t*& to_nxt, 2225 unsigned long Maxcode = 0x10FFFF, codecvt_mode mode = codecvt_mode(0)) 2226{ 2227 frm_nxt = frm; 2228 to_nxt = to; 2229 if (mode & generate_header) 2230 { 2231 if (to_end-to_nxt < 3) 2232 return codecvt_base::partial; 2233 *to_nxt++ = static_cast<uint8_t>(0xEF); 2234 *to_nxt++ = static_cast<uint8_t>(0xBB); 2235 *to_nxt++ = static_cast<uint8_t>(0xBF); 2236 } 2237 for (; frm_nxt < frm_end; ++frm_nxt) 2238 { 2239 uint32_t wc = *frm_nxt; 2240 if ((wc & 0xFFFFF800) == 0x00D800 || wc > Maxcode) 2241 return codecvt_base::error; 2242 if (wc < 0x000080) 2243 { 2244 if (to_end-to_nxt < 1) 2245 return codecvt_base::partial; 2246 *to_nxt++ = static_cast<uint8_t>(wc); 2247 } 2248 else if (wc < 0x000800) 2249 { 2250 if (to_end-to_nxt < 2) 2251 return codecvt_base::partial; 2252 *to_nxt++ = static_cast<uint8_t>(0xC0 | (wc >> 6)); 2253 *to_nxt++ = static_cast<uint8_t>(0x80 | (wc & 0x03F)); 2254 } 2255 else if (wc < 0x010000) 2256 { 2257 if (to_end-to_nxt < 3) 2258 return codecvt_base::partial; 2259 *to_nxt++ = static_cast<uint8_t>(0xE0 | (wc >> 12)); 2260 *to_nxt++ = static_cast<uint8_t>(0x80 | ((wc & 0x0FC0) >> 6)); 2261 *to_nxt++ = static_cast<uint8_t>(0x80 | (wc & 0x003F)); 2262 } 2263 else // if (wc < 0x110000) 2264 { 2265 if (to_end-to_nxt < 4) 2266 return codecvt_base::partial; 2267 *to_nxt++ = static_cast<uint8_t>(0xF0 | (wc >> 18)); 2268 *to_nxt++ = static_cast<uint8_t>(0x80 | ((wc & 0x03F000) >> 12)); 2269 *to_nxt++ = static_cast<uint8_t>(0x80 | ((wc & 0x000FC0) >> 6)); 2270 *to_nxt++ = static_cast<uint8_t>(0x80 | (wc & 0x00003F)); 2271 } 2272 } 2273 return codecvt_base::ok; 2274} 2275 2276static 2277codecvt_base::result 2278utf8_to_ucs4(const uint8_t* frm, const uint8_t* frm_end, const uint8_t*& frm_nxt, 2279 uint32_t* to, uint32_t* to_end, uint32_t*& to_nxt, 2280 unsigned long Maxcode = 0x10FFFF, codecvt_mode mode = codecvt_mode(0)) 2281{ 2282 frm_nxt = frm; 2283 to_nxt = to; 2284 if (mode & consume_header) 2285 { 2286 if (frm_end-frm_nxt >= 3 && frm_nxt[0] == 0xEF && frm_nxt[1] == 0xBB && 2287 frm_nxt[2] == 0xBF) 2288 frm_nxt += 3; 2289 } 2290 for (; frm_nxt < frm_end && to_nxt < to_end; ++to_nxt) 2291 { 2292 uint8_t c1 = static_cast<uint8_t>(*frm_nxt); 2293 if (c1 < 0x80) 2294 { 2295 if (c1 > Maxcode) 2296 return codecvt_base::error; 2297 *to_nxt = static_cast<uint32_t>(c1); 2298 ++frm_nxt; 2299 } 2300 else if (c1 < 0xC2) 2301 { 2302 return codecvt_base::error; 2303 } 2304 else if (c1 < 0xE0) 2305 { 2306 if (frm_end-frm_nxt < 2) 2307 return codecvt_base::partial; 2308 uint8_t c2 = frm_nxt[1]; 2309 if ((c2 & 0xC0) != 0x80) 2310 return codecvt_base::error; 2311 uint32_t t = static_cast<uint32_t>(((c1 & 0x1F) << 6) 2312 | (c2 & 0x3F)); 2313 if (t > Maxcode) 2314 return codecvt_base::error; 2315 *to_nxt = t; 2316 frm_nxt += 2; 2317 } 2318 else if (c1 < 0xF0) 2319 { 2320 if (frm_end-frm_nxt < 3) 2321 return codecvt_base::partial; 2322 uint8_t c2 = frm_nxt[1]; 2323 uint8_t c3 = frm_nxt[2]; 2324 switch (c1) 2325 { 2326 case 0xE0: 2327 if ((c2 & 0xE0) != 0xA0) 2328 return codecvt_base::error; 2329 break; 2330 case 0xED: 2331 if ((c2 & 0xE0) != 0x80) 2332 return codecvt_base::error; 2333 break; 2334 default: 2335 if ((c2 & 0xC0) != 0x80) 2336 return codecvt_base::error; 2337 break; 2338 } 2339 if ((c3 & 0xC0) != 0x80) 2340 return codecvt_base::error; 2341 uint32_t t = static_cast<uint32_t>(((c1 & 0x0F) << 12) 2342 | ((c2 & 0x3F) << 6) 2343 | (c3 & 0x3F)); 2344 if (t > Maxcode) 2345 return codecvt_base::error; 2346 *to_nxt = t; 2347 frm_nxt += 3; 2348 } 2349 else if (c1 < 0xF5) 2350 { 2351 if (frm_end-frm_nxt < 4) 2352 return codecvt_base::partial; 2353 uint8_t c2 = frm_nxt[1]; 2354 uint8_t c3 = frm_nxt[2]; 2355 uint8_t c4 = frm_nxt[3]; 2356 switch (c1) 2357 { 2358 case 0xF0: 2359 if (!(0x90 <= c2 && c2 <= 0xBF)) 2360 return codecvt_base::error; 2361 break; 2362 case 0xF4: 2363 if ((c2 & 0xF0) != 0x80) 2364 return codecvt_base::error; 2365 break; 2366 default: 2367 if ((c2 & 0xC0) != 0x80) 2368 return codecvt_base::error; 2369 break; 2370 } 2371 if ((c3 & 0xC0) != 0x80 || (c4 & 0xC0) != 0x80) 2372 return codecvt_base::error; 2373 uint32_t t = static_cast<uint32_t>(((c1 & 0x07) << 18) 2374 | ((c2 & 0x3F) << 12) 2375 | ((c3 & 0x3F) << 6) 2376 | (c4 & 0x3F)); 2377 if (t > Maxcode) 2378 return codecvt_base::error; 2379 *to_nxt = t; 2380 frm_nxt += 4; 2381 } 2382 else 2383 { 2384 return codecvt_base::error; 2385 } 2386 } 2387 return frm_nxt < frm_end ? codecvt_base::partial : codecvt_base::ok; 2388} 2389 2390static 2391int 2392utf8_to_ucs4_length(const uint8_t* frm, const uint8_t* frm_end, 2393 size_t mx, unsigned long Maxcode = 0x10FFFF, 2394 codecvt_mode mode = codecvt_mode(0)) 2395{ 2396 const uint8_t* frm_nxt = frm; 2397 if (mode & consume_header) 2398 { 2399 if (frm_end-frm_nxt >= 3 && frm_nxt[0] == 0xEF && frm_nxt[1] == 0xBB && 2400 frm_nxt[2] == 0xBF) 2401 frm_nxt += 3; 2402 } 2403 for (size_t nchar32_t = 0; frm_nxt < frm_end && nchar32_t < mx; ++nchar32_t) 2404 { 2405 uint8_t c1 = static_cast<uint8_t>(*frm_nxt); 2406 if (c1 < 0x80) 2407 { 2408 if (c1 > Maxcode) 2409 break; 2410 ++frm_nxt; 2411 } 2412 else if (c1 < 0xC2) 2413 { 2414 break; 2415 } 2416 else if (c1 < 0xE0) 2417 { 2418 if ((frm_end-frm_nxt < 2) || ((frm_nxt[1] & 0xC0) != 0x80)) 2419 break; 2420 if ((((c1 & 0x1Fu) << 6) | (frm_nxt[1] & 0x3Fu)) > Maxcode) 2421 break; 2422 frm_nxt += 2; 2423 } 2424 else if (c1 < 0xF0) 2425 { 2426 if (frm_end-frm_nxt < 3) 2427 break; 2428 uint8_t c2 = frm_nxt[1]; 2429 uint8_t c3 = frm_nxt[2]; 2430 switch (c1) 2431 { 2432 case 0xE0: 2433 if ((c2 & 0xE0) != 0xA0) 2434 return static_cast<int>(frm_nxt - frm); 2435 break; 2436 case 0xED: 2437 if ((c2 & 0xE0) != 0x80) 2438 return static_cast<int>(frm_nxt - frm); 2439 break; 2440 default: 2441 if ((c2 & 0xC0) != 0x80) 2442 return static_cast<int>(frm_nxt - frm); 2443 break; 2444 } 2445 if ((c3 & 0xC0) != 0x80) 2446 break; 2447 if ((((c1 & 0x0Fu) << 12) | ((c2 & 0x3Fu) << 6) | (c3 & 0x3Fu)) > Maxcode) 2448 break; 2449 frm_nxt += 3; 2450 } 2451 else if (c1 < 0xF5) 2452 { 2453 if (frm_end-frm_nxt < 4) 2454 break; 2455 uint8_t c2 = frm_nxt[1]; 2456 uint8_t c3 = frm_nxt[2]; 2457 uint8_t c4 = frm_nxt[3]; 2458 switch (c1) 2459 { 2460 case 0xF0: 2461 if (!(0x90 <= c2 && c2 <= 0xBF)) 2462 return static_cast<int>(frm_nxt - frm); 2463 break; 2464 case 0xF4: 2465 if ((c2 & 0xF0) != 0x80) 2466 return static_cast<int>(frm_nxt - frm); 2467 break; 2468 default: 2469 if ((c2 & 0xC0) != 0x80) 2470 return static_cast<int>(frm_nxt - frm); 2471 break; 2472 } 2473 if ((c3 & 0xC0) != 0x80 || (c4 & 0xC0) != 0x80) 2474 break; 2475 if ((((c1 & 0x07u) << 18) | ((c2 & 0x3Fu) << 12) | 2476 ((c3 & 0x3Fu) << 6) | (c4 & 0x3Fu)) > Maxcode) 2477 break; 2478 frm_nxt += 4; 2479 } 2480 else 2481 { 2482 break; 2483 } 2484 } 2485 return static_cast<int>(frm_nxt - frm); 2486} 2487 2488static 2489codecvt_base::result 2490ucs2_to_utf8(const uint16_t* frm, const uint16_t* frm_end, const uint16_t*& frm_nxt, 2491 uint8_t* to, uint8_t* to_end, uint8_t*& to_nxt, 2492 unsigned long Maxcode = 0x10FFFF, codecvt_mode mode = codecvt_mode(0)) 2493{ 2494 frm_nxt = frm; 2495 to_nxt = to; 2496 if (mode & generate_header) 2497 { 2498 if (to_end-to_nxt < 3) 2499 return codecvt_base::partial; 2500 *to_nxt++ = static_cast<uint8_t>(0xEF); 2501 *to_nxt++ = static_cast<uint8_t>(0xBB); 2502 *to_nxt++ = static_cast<uint8_t>(0xBF); 2503 } 2504 for (; frm_nxt < frm_end; ++frm_nxt) 2505 { 2506 uint16_t wc = *frm_nxt; 2507 if ((wc & 0xF800) == 0xD800 || wc > Maxcode) 2508 return codecvt_base::error; 2509 if (wc < 0x0080) 2510 { 2511 if (to_end-to_nxt < 1) 2512 return codecvt_base::partial; 2513 *to_nxt++ = static_cast<uint8_t>(wc); 2514 } 2515 else if (wc < 0x0800) 2516 { 2517 if (to_end-to_nxt < 2) 2518 return codecvt_base::partial; 2519 *to_nxt++ = static_cast<uint8_t>(0xC0 | (wc >> 6)); 2520 *to_nxt++ = static_cast<uint8_t>(0x80 | (wc & 0x03F)); 2521 } 2522 else // if (wc <= 0xFFFF) 2523 { 2524 if (to_end-to_nxt < 3) 2525 return codecvt_base::partial; 2526 *to_nxt++ = static_cast<uint8_t>(0xE0 | (wc >> 12)); 2527 *to_nxt++ = static_cast<uint8_t>(0x80 | ((wc & 0x0FC0) >> 6)); 2528 *to_nxt++ = static_cast<uint8_t>(0x80 | (wc & 0x003F)); 2529 } 2530 } 2531 return codecvt_base::ok; 2532} 2533 2534static 2535codecvt_base::result 2536utf8_to_ucs2(const uint8_t* frm, const uint8_t* frm_end, const uint8_t*& frm_nxt, 2537 uint16_t* to, uint16_t* to_end, uint16_t*& to_nxt, 2538 unsigned long Maxcode = 0x10FFFF, codecvt_mode mode = codecvt_mode(0)) 2539{ 2540 frm_nxt = frm; 2541 to_nxt = to; 2542 if (mode & consume_header) 2543 { 2544 if (frm_end-frm_nxt >= 3 && frm_nxt[0] == 0xEF && frm_nxt[1] == 0xBB && 2545 frm_nxt[2] == 0xBF) 2546 frm_nxt += 3; 2547 } 2548 for (; frm_nxt < frm_end && to_nxt < to_end; ++to_nxt) 2549 { 2550 uint8_t c1 = static_cast<uint8_t>(*frm_nxt); 2551 if (c1 < 0x80) 2552 { 2553 if (c1 > Maxcode) 2554 return codecvt_base::error; 2555 *to_nxt = static_cast<uint16_t>(c1); 2556 ++frm_nxt; 2557 } 2558 else if (c1 < 0xC2) 2559 { 2560 return codecvt_base::error; 2561 } 2562 else if (c1 < 0xE0) 2563 { 2564 if (frm_end-frm_nxt < 2) 2565 return codecvt_base::partial; 2566 uint8_t c2 = frm_nxt[1]; 2567 if ((c2 & 0xC0) != 0x80) 2568 return codecvt_base::error; 2569 uint16_t t = static_cast<uint16_t>(((c1 & 0x1F) << 6) 2570 | (c2 & 0x3F)); 2571 if (t > Maxcode) 2572 return codecvt_base::error; 2573 *to_nxt = t; 2574 frm_nxt += 2; 2575 } 2576 else if (c1 < 0xF0) 2577 { 2578 if (frm_end-frm_nxt < 3) 2579 return codecvt_base::partial; 2580 uint8_t c2 = frm_nxt[1]; 2581 uint8_t c3 = frm_nxt[2]; 2582 switch (c1) 2583 { 2584 case 0xE0: 2585 if ((c2 & 0xE0) != 0xA0) 2586 return codecvt_base::error; 2587 break; 2588 case 0xED: 2589 if ((c2 & 0xE0) != 0x80) 2590 return codecvt_base::error; 2591 break; 2592 default: 2593 if ((c2 & 0xC0) != 0x80) 2594 return codecvt_base::error; 2595 break; 2596 } 2597 if ((c3 & 0xC0) != 0x80) 2598 return codecvt_base::error; 2599 uint16_t t = static_cast<uint16_t>(((c1 & 0x0F) << 12) 2600 | ((c2 & 0x3F) << 6) 2601 | (c3 & 0x3F)); 2602 if (t > Maxcode) 2603 return codecvt_base::error; 2604 *to_nxt = t; 2605 frm_nxt += 3; 2606 } 2607 else 2608 { 2609 return codecvt_base::error; 2610 } 2611 } 2612 return frm_nxt < frm_end ? codecvt_base::partial : codecvt_base::ok; 2613} 2614 2615static 2616int 2617utf8_to_ucs2_length(const uint8_t* frm, const uint8_t* frm_end, 2618 size_t mx, unsigned long Maxcode = 0x10FFFF, 2619 codecvt_mode mode = codecvt_mode(0)) 2620{ 2621 const uint8_t* frm_nxt = frm; 2622 if (mode & consume_header) 2623 { 2624 if (frm_end-frm_nxt >= 3 && frm_nxt[0] == 0xEF && frm_nxt[1] == 0xBB && 2625 frm_nxt[2] == 0xBF) 2626 frm_nxt += 3; 2627 } 2628 for (size_t nchar32_t = 0; frm_nxt < frm_end && nchar32_t < mx; ++nchar32_t) 2629 { 2630 uint8_t c1 = static_cast<uint8_t>(*frm_nxt); 2631 if (c1 < 0x80) 2632 { 2633 if (c1 > Maxcode) 2634 break; 2635 ++frm_nxt; 2636 } 2637 else if (c1 < 0xC2) 2638 { 2639 break; 2640 } 2641 else if (c1 < 0xE0) 2642 { 2643 if ((frm_end-frm_nxt < 2) || ((frm_nxt[1] & 0xC0) != 0x80)) 2644 break; 2645 if ((((c1 & 0x1Fu) << 6) | (frm_nxt[1] & 0x3Fu)) > Maxcode) 2646 break; 2647 frm_nxt += 2; 2648 } 2649 else if (c1 < 0xF0) 2650 { 2651 if (frm_end-frm_nxt < 3) 2652 break; 2653 uint8_t c2 = frm_nxt[1]; 2654 uint8_t c3 = frm_nxt[2]; 2655 switch (c1) 2656 { 2657 case 0xE0: 2658 if ((c2 & 0xE0) != 0xA0) 2659 return static_cast<int>(frm_nxt - frm); 2660 break; 2661 case 0xED: 2662 if ((c2 & 0xE0) != 0x80) 2663 return static_cast<int>(frm_nxt - frm); 2664 break; 2665 default: 2666 if ((c2 & 0xC0) != 0x80) 2667 return static_cast<int>(frm_nxt - frm); 2668 break; 2669 } 2670 if ((c3 & 0xC0) != 0x80) 2671 break; 2672 if ((((c1 & 0x0Fu) << 12) | ((c2 & 0x3Fu) << 6) | (c3 & 0x3Fu)) > Maxcode) 2673 break; 2674 frm_nxt += 3; 2675 } 2676 else 2677 { 2678 break; 2679 } 2680 } 2681 return static_cast<int>(frm_nxt - frm); 2682} 2683 2684static 2685codecvt_base::result 2686ucs4_to_utf16be(const uint32_t* frm, const uint32_t* frm_end, const uint32_t*& frm_nxt, 2687 uint8_t* to, uint8_t* to_end, uint8_t*& to_nxt, 2688 unsigned long Maxcode = 0x10FFFF, codecvt_mode mode = codecvt_mode(0)) 2689{ 2690 frm_nxt = frm; 2691 to_nxt = to; 2692 if (mode & generate_header) 2693 { 2694 if (to_end-to_nxt < 2) 2695 return codecvt_base::partial; 2696 *to_nxt++ = static_cast<uint8_t>(0xFE); 2697 *to_nxt++ = static_cast<uint8_t>(0xFF); 2698 } 2699 for (; frm_nxt < frm_end; ++frm_nxt) 2700 { 2701 uint32_t wc = *frm_nxt; 2702 if ((wc & 0xFFFFF800) == 0x00D800 || wc > Maxcode) 2703 return codecvt_base::error; 2704 if (wc < 0x010000) 2705 { 2706 if (to_end-to_nxt < 2) 2707 return codecvt_base::partial; 2708 *to_nxt++ = static_cast<uint8_t>(wc >> 8); 2709 *to_nxt++ = static_cast<uint8_t>(wc); 2710 } 2711 else 2712 { 2713 if (to_end-to_nxt < 4) 2714 return codecvt_base::partial; 2715 uint16_t t = static_cast<uint16_t>( 2716 0xD800 2717 | ((((wc & 0x1F0000) >> 16) - 1) << 6) 2718 | ((wc & 0x00FC00) >> 10)); 2719 *to_nxt++ = static_cast<uint8_t>(t >> 8); 2720 *to_nxt++ = static_cast<uint8_t>(t); 2721 t = static_cast<uint16_t>(0xDC00 | (wc & 0x03FF)); 2722 *to_nxt++ = static_cast<uint8_t>(t >> 8); 2723 *to_nxt++ = static_cast<uint8_t>(t); 2724 } 2725 } 2726 return codecvt_base::ok; 2727} 2728 2729static 2730codecvt_base::result 2731utf16be_to_ucs4(const uint8_t* frm, const uint8_t* frm_end, const uint8_t*& frm_nxt, 2732 uint32_t* to, uint32_t* to_end, uint32_t*& to_nxt, 2733 unsigned long Maxcode = 0x10FFFF, codecvt_mode mode = codecvt_mode(0)) 2734{ 2735 frm_nxt = frm; 2736 to_nxt = to; 2737 if (mode & consume_header) 2738 { 2739 if (frm_end-frm_nxt >= 2 && frm_nxt[0] == 0xFE && frm_nxt[1] == 0xFF) 2740 frm_nxt += 2; 2741 } 2742 for (; frm_nxt < frm_end - 1 && to_nxt < to_end; ++to_nxt) 2743 { 2744 uint16_t c1 = static_cast<uint16_t>(frm_nxt[0] << 8 | frm_nxt[1]); 2745 if ((c1 & 0xFC00) == 0xDC00) 2746 return codecvt_base::error; 2747 if ((c1 & 0xFC00) != 0xD800) 2748 { 2749 if (c1 > Maxcode) 2750 return codecvt_base::error; 2751 *to_nxt = static_cast<uint32_t>(c1); 2752 frm_nxt += 2; 2753 } 2754 else 2755 { 2756 if (frm_end-frm_nxt < 4) 2757 return codecvt_base::partial; 2758 uint16_t c2 = static_cast<uint16_t>(frm_nxt[2] << 8 | frm_nxt[3]); 2759 if ((c2 & 0xFC00) != 0xDC00) 2760 return codecvt_base::error; 2761 uint32_t t = static_cast<uint32_t>( 2762 ((((c1 & 0x03C0) >> 6) + 1) << 16) 2763 | ((c1 & 0x003F) << 10) 2764 | (c2 & 0x03FF)); 2765 if (t > Maxcode) 2766 return codecvt_base::error; 2767 *to_nxt = t; 2768 frm_nxt += 4; 2769 } 2770 } 2771 return frm_nxt < frm_end ? codecvt_base::partial : codecvt_base::ok; 2772} 2773 2774static 2775int 2776utf16be_to_ucs4_length(const uint8_t* frm, const uint8_t* frm_end, 2777 size_t mx, unsigned long Maxcode = 0x10FFFF, 2778 codecvt_mode mode = codecvt_mode(0)) 2779{ 2780 const uint8_t* frm_nxt = frm; 2781 if (mode & consume_header) 2782 { 2783 if (frm_end-frm_nxt >= 2 && frm_nxt[0] == 0xFE && frm_nxt[1] == 0xFF) 2784 frm_nxt += 2; 2785 } 2786 for (size_t nchar32_t = 0; frm_nxt < frm_end - 1 && nchar32_t < mx; ++nchar32_t) 2787 { 2788 uint16_t c1 = static_cast<uint16_t>(frm_nxt[0] << 8 | frm_nxt[1]); 2789 if ((c1 & 0xFC00) == 0xDC00) 2790 break; 2791 if ((c1 & 0xFC00) != 0xD800) 2792 { 2793 if (c1 > Maxcode) 2794 break; 2795 frm_nxt += 2; 2796 } 2797 else 2798 { 2799 if (frm_end-frm_nxt < 4) 2800 break; 2801 uint16_t c2 = static_cast<uint16_t>(frm_nxt[2] << 8 | frm_nxt[3]); 2802 if ((c2 & 0xFC00) != 0xDC00) 2803 break; 2804 uint32_t t = static_cast<uint32_t>( 2805 ((((c1 & 0x03C0) >> 6) + 1) << 16) 2806 | ((c1 & 0x003F) << 10) 2807 | (c2 & 0x03FF)); 2808 if (t > Maxcode) 2809 break; 2810 frm_nxt += 4; 2811 } 2812 } 2813 return static_cast<int>(frm_nxt - frm); 2814} 2815 2816static 2817codecvt_base::result 2818ucs4_to_utf16le(const uint32_t* frm, const uint32_t* frm_end, const uint32_t*& frm_nxt, 2819 uint8_t* to, uint8_t* to_end, uint8_t*& to_nxt, 2820 unsigned long Maxcode = 0x10FFFF, codecvt_mode mode = codecvt_mode(0)) 2821{ 2822 frm_nxt = frm; 2823 to_nxt = to; 2824 if (mode & generate_header) 2825 { 2826 if (to_end - to_nxt < 2) 2827 return codecvt_base::partial; 2828 *to_nxt++ = static_cast<uint8_t>(0xFF); 2829 *to_nxt++ = static_cast<uint8_t>(0xFE); 2830 } 2831 for (; frm_nxt < frm_end; ++frm_nxt) 2832 { 2833 uint32_t wc = *frm_nxt; 2834 if ((wc & 0xFFFFF800) == 0x00D800 || wc > Maxcode) 2835 return codecvt_base::error; 2836 if (wc < 0x010000) 2837 { 2838 if (to_end-to_nxt < 2) 2839 return codecvt_base::partial; 2840 *to_nxt++ = static_cast<uint8_t>(wc); 2841 *to_nxt++ = static_cast<uint8_t>(wc >> 8); 2842 } 2843 else 2844 { 2845 if (to_end-to_nxt < 4) 2846 return codecvt_base::partial; 2847 uint16_t t = static_cast<uint16_t>( 2848 0xD800 2849 | ((((wc & 0x1F0000) >> 16) - 1) << 6) 2850 | ((wc & 0x00FC00) >> 10)); 2851 *to_nxt++ = static_cast<uint8_t>(t); 2852 *to_nxt++ = static_cast<uint8_t>(t >> 8); 2853 t = static_cast<uint16_t>(0xDC00 | (wc & 0x03FF)); 2854 *to_nxt++ = static_cast<uint8_t>(t); 2855 *to_nxt++ = static_cast<uint8_t>(t >> 8); 2856 } 2857 } 2858 return codecvt_base::ok; 2859} 2860 2861static 2862codecvt_base::result 2863utf16le_to_ucs4(const uint8_t* frm, const uint8_t* frm_end, const uint8_t*& frm_nxt, 2864 uint32_t* to, uint32_t* to_end, uint32_t*& to_nxt, 2865 unsigned long Maxcode = 0x10FFFF, codecvt_mode mode = codecvt_mode(0)) 2866{ 2867 frm_nxt = frm; 2868 to_nxt = to; 2869 if (mode & consume_header) 2870 { 2871 if (frm_end-frm_nxt >= 2 && frm_nxt[0] == 0xFF && frm_nxt[1] == 0xFE) 2872 frm_nxt += 2; 2873 } 2874 for (; frm_nxt < frm_end - 1 && to_nxt < to_end; ++to_nxt) 2875 { 2876 uint16_t c1 = static_cast<uint16_t>(frm_nxt[1] << 8 | frm_nxt[0]); 2877 if ((c1 & 0xFC00) == 0xDC00) 2878 return codecvt_base::error; 2879 if ((c1 & 0xFC00) != 0xD800) 2880 { 2881 if (c1 > Maxcode) 2882 return codecvt_base::error; 2883 *to_nxt = static_cast<uint32_t>(c1); 2884 frm_nxt += 2; 2885 } 2886 else 2887 { 2888 if (frm_end-frm_nxt < 4) 2889 return codecvt_base::partial; 2890 uint16_t c2 = static_cast<uint16_t>(frm_nxt[3] << 8 | frm_nxt[2]); 2891 if ((c2 & 0xFC00) != 0xDC00) 2892 return codecvt_base::error; 2893 uint32_t t = static_cast<uint32_t>( 2894 ((((c1 & 0x03C0) >> 6) + 1) << 16) 2895 | ((c1 & 0x003F) << 10) 2896 | (c2 & 0x03FF)); 2897 if (t > Maxcode) 2898 return codecvt_base::error; 2899 *to_nxt = t; 2900 frm_nxt += 4; 2901 } 2902 } 2903 return frm_nxt < frm_end ? codecvt_base::partial : codecvt_base::ok; 2904} 2905 2906static 2907int 2908utf16le_to_ucs4_length(const uint8_t* frm, const uint8_t* frm_end, 2909 size_t mx, unsigned long Maxcode = 0x10FFFF, 2910 codecvt_mode mode = codecvt_mode(0)) 2911{ 2912 const uint8_t* frm_nxt = frm; 2913 if (mode & consume_header) 2914 { 2915 if (frm_end-frm_nxt >= 2 && frm_nxt[0] == 0xFF && frm_nxt[1] == 0xFE) 2916 frm_nxt += 2; 2917 } 2918 for (size_t nchar32_t = 0; frm_nxt < frm_end - 1 && nchar32_t < mx; ++nchar32_t) 2919 { 2920 uint16_t c1 = static_cast<uint16_t>(frm_nxt[1] << 8 | frm_nxt[0]); 2921 if ((c1 & 0xFC00) == 0xDC00) 2922 break; 2923 if ((c1 & 0xFC00) != 0xD800) 2924 { 2925 if (c1 > Maxcode) 2926 break; 2927 frm_nxt += 2; 2928 } 2929 else 2930 { 2931 if (frm_end-frm_nxt < 4) 2932 break; 2933 uint16_t c2 = static_cast<uint16_t>(frm_nxt[3] << 8 | frm_nxt[2]); 2934 if ((c2 & 0xFC00) != 0xDC00) 2935 break; 2936 uint32_t t = static_cast<uint32_t>( 2937 ((((c1 & 0x03C0) >> 6) + 1) << 16) 2938 | ((c1 & 0x003F) << 10) 2939 | (c2 & 0x03FF)); 2940 if (t > Maxcode) 2941 break; 2942 frm_nxt += 4; 2943 } 2944 } 2945 return static_cast<int>(frm_nxt - frm); 2946} 2947 2948static 2949codecvt_base::result 2950ucs2_to_utf16be(const uint16_t* frm, const uint16_t* frm_end, const uint16_t*& frm_nxt, 2951 uint8_t* to, uint8_t* to_end, uint8_t*& to_nxt, 2952 unsigned long Maxcode = 0x10FFFF, codecvt_mode mode = codecvt_mode(0)) 2953{ 2954 frm_nxt = frm; 2955 to_nxt = to; 2956 if (mode & generate_header) 2957 { 2958 if (to_end-to_nxt < 2) 2959 return codecvt_base::partial; 2960 *to_nxt++ = static_cast<uint8_t>(0xFE); 2961 *to_nxt++ = static_cast<uint8_t>(0xFF); 2962 } 2963 for (; frm_nxt < frm_end; ++frm_nxt) 2964 { 2965 uint16_t wc = *frm_nxt; 2966 if ((wc & 0xF800) == 0xD800 || wc > Maxcode) 2967 return codecvt_base::error; 2968 if (to_end-to_nxt < 2) 2969 return codecvt_base::partial; 2970 *to_nxt++ = static_cast<uint8_t>(wc >> 8); 2971 *to_nxt++ = static_cast<uint8_t>(wc); 2972 } 2973 return codecvt_base::ok; 2974} 2975 2976static 2977codecvt_base::result 2978utf16be_to_ucs2(const uint8_t* frm, const uint8_t* frm_end, const uint8_t*& frm_nxt, 2979 uint16_t* to, uint16_t* to_end, uint16_t*& to_nxt, 2980 unsigned long Maxcode = 0x10FFFF, codecvt_mode mode = codecvt_mode(0)) 2981{ 2982 frm_nxt = frm; 2983 to_nxt = to; 2984 if (mode & consume_header) 2985 { 2986 if (frm_end-frm_nxt >= 2 && frm_nxt[0] == 0xFE && frm_nxt[1] == 0xFF) 2987 frm_nxt += 2; 2988 } 2989 for (; frm_nxt < frm_end - 1 && to_nxt < to_end; ++to_nxt) 2990 { 2991 uint16_t c1 = static_cast<uint16_t>(frm_nxt[0] << 8 | frm_nxt[1]); 2992 if ((c1 & 0xF800) == 0xD800 || c1 > Maxcode) 2993 return codecvt_base::error; 2994 *to_nxt = c1; 2995 frm_nxt += 2; 2996 } 2997 return frm_nxt < frm_end ? codecvt_base::partial : codecvt_base::ok; 2998} 2999 3000static 3001int 3002utf16be_to_ucs2_length(const uint8_t* frm, const uint8_t* frm_end, 3003 size_t mx, unsigned long Maxcode = 0x10FFFF, 3004 codecvt_mode mode = codecvt_mode(0)) 3005{ 3006 const uint8_t* frm_nxt = frm; 3007 if (mode & consume_header) 3008 { 3009 if (frm_end-frm_nxt >= 2 && frm_nxt[0] == 0xFE && frm_nxt[1] == 0xFF) 3010 frm_nxt += 2; 3011 } 3012 for (size_t nchar16_t = 0; frm_nxt < frm_end - 1 && nchar16_t < mx; ++nchar16_t) 3013 { 3014 uint16_t c1 = static_cast<uint16_t>(frm_nxt[0] << 8 | frm_nxt[1]); 3015 if ((c1 & 0xF800) == 0xD800 || c1 > Maxcode) 3016 break; 3017 frm_nxt += 2; 3018 } 3019 return static_cast<int>(frm_nxt - frm); 3020} 3021 3022static 3023codecvt_base::result 3024ucs2_to_utf16le(const uint16_t* frm, const uint16_t* frm_end, const uint16_t*& frm_nxt, 3025 uint8_t* to, uint8_t* to_end, uint8_t*& to_nxt, 3026 unsigned long Maxcode = 0x10FFFF, codecvt_mode mode = codecvt_mode(0)) 3027{ 3028 frm_nxt = frm; 3029 to_nxt = to; 3030 if (mode & generate_header) 3031 { 3032 if (to_end-to_nxt < 2) 3033 return codecvt_base::partial; 3034 *to_nxt++ = static_cast<uint8_t>(0xFF); 3035 *to_nxt++ = static_cast<uint8_t>(0xFE); 3036 } 3037 for (; frm_nxt < frm_end; ++frm_nxt) 3038 { 3039 uint16_t wc = *frm_nxt; 3040 if ((wc & 0xF800) == 0xD800 || wc > Maxcode) 3041 return codecvt_base::error; 3042 if (to_end-to_nxt < 2) 3043 return codecvt_base::partial; 3044 *to_nxt++ = static_cast<uint8_t>(wc); 3045 *to_nxt++ = static_cast<uint8_t>(wc >> 8); 3046 } 3047 return codecvt_base::ok; 3048} 3049 3050static 3051codecvt_base::result 3052utf16le_to_ucs2(const uint8_t* frm, const uint8_t* frm_end, const uint8_t*& frm_nxt, 3053 uint16_t* to, uint16_t* to_end, uint16_t*& to_nxt, 3054 unsigned long Maxcode = 0x10FFFF, codecvt_mode mode = codecvt_mode(0)) 3055{ 3056 frm_nxt = frm; 3057 to_nxt = to; 3058 if (mode & consume_header) 3059 { 3060 if (frm_end-frm_nxt >= 2 && frm_nxt[0] == 0xFF && frm_nxt[1] == 0xFE) 3061 frm_nxt += 2; 3062 } 3063 for (; frm_nxt < frm_end - 1 && to_nxt < to_end; ++to_nxt) 3064 { 3065 uint16_t c1 = static_cast<uint16_t>(frm_nxt[1] << 8 | frm_nxt[0]); 3066 if ((c1 & 0xF800) == 0xD800 || c1 > Maxcode) 3067 return codecvt_base::error; 3068 *to_nxt = c1; 3069 frm_nxt += 2; 3070 } 3071 return frm_nxt < frm_end ? codecvt_base::partial : codecvt_base::ok; 3072} 3073 3074static 3075int 3076utf16le_to_ucs2_length(const uint8_t* frm, const uint8_t* frm_end, 3077 size_t mx, unsigned long Maxcode = 0x10FFFF, 3078 codecvt_mode mode = codecvt_mode(0)) 3079{ 3080 const uint8_t* frm_nxt = frm; 3081 frm_nxt = frm; 3082 if (mode & consume_header) 3083 { 3084 if (frm_end-frm_nxt >= 2 && frm_nxt[0] == 0xFF && frm_nxt[1] == 0xFE) 3085 frm_nxt += 2; 3086 } 3087 for (size_t nchar16_t = 0; frm_nxt < frm_end - 1 && nchar16_t < mx; ++nchar16_t) 3088 { 3089 uint16_t c1 = static_cast<uint16_t>(frm_nxt[1] << 8 | frm_nxt[0]); 3090 if ((c1 & 0xF800) == 0xD800 || c1 > Maxcode) 3091 break; 3092 frm_nxt += 2; 3093 } 3094 return static_cast<int>(frm_nxt - frm); 3095} 3096 3097// template <> class codecvt<char16_t, char, mbstate_t> 3098 3099locale::id codecvt<char16_t, char, mbstate_t>::id; 3100 3101codecvt<char16_t, char, mbstate_t>::~codecvt() 3102{ 3103} 3104 3105codecvt<char16_t, char, mbstate_t>::result 3106codecvt<char16_t, char, mbstate_t>::do_out(state_type&, 3107 const intern_type* frm, const intern_type* frm_end, const intern_type*& frm_nxt, 3108 extern_type* to, extern_type* to_end, extern_type*& to_nxt) const 3109{ 3110 const uint16_t* _frm = reinterpret_cast<const uint16_t*>(frm); 3111 const uint16_t* _frm_end = reinterpret_cast<const uint16_t*>(frm_end); 3112 const uint16_t* _frm_nxt = _frm; 3113 uint8_t* _to = reinterpret_cast<uint8_t*>(to); 3114 uint8_t* _to_end = reinterpret_cast<uint8_t*>(to_end); 3115 uint8_t* _to_nxt = _to; 3116 result r = utf16_to_utf8(_frm, _frm_end, _frm_nxt, _to, _to_end, _to_nxt); 3117 frm_nxt = frm + (_frm_nxt - _frm); 3118 to_nxt = to + (_to_nxt - _to); 3119 return r; 3120} 3121 3122codecvt<char16_t, char, mbstate_t>::result 3123codecvt<char16_t, char, mbstate_t>::do_in(state_type&, 3124 const extern_type* frm, const extern_type* frm_end, const extern_type*& frm_nxt, 3125 intern_type* to, intern_type* to_end, intern_type*& to_nxt) const 3126{ 3127 const uint8_t* _frm = reinterpret_cast<const uint8_t*>(frm); 3128 const uint8_t* _frm_end = reinterpret_cast<const uint8_t*>(frm_end); 3129 const uint8_t* _frm_nxt = _frm; 3130 uint16_t* _to = reinterpret_cast<uint16_t*>(to); 3131 uint16_t* _to_end = reinterpret_cast<uint16_t*>(to_end); 3132 uint16_t* _to_nxt = _to; 3133 result r = utf8_to_utf16(_frm, _frm_end, _frm_nxt, _to, _to_end, _to_nxt); 3134 frm_nxt = frm + (_frm_nxt - _frm); 3135 to_nxt = to + (_to_nxt - _to); 3136 return r; 3137} 3138 3139codecvt<char16_t, char, mbstate_t>::result 3140codecvt<char16_t, char, mbstate_t>::do_unshift(state_type&, 3141 extern_type* to, extern_type*, extern_type*& to_nxt) const 3142{ 3143 to_nxt = to; 3144 return noconv; 3145} 3146 3147int 3148codecvt<char16_t, char, mbstate_t>::do_encoding() const _NOEXCEPT 3149{ 3150 return 0; 3151} 3152 3153bool 3154codecvt<char16_t, char, mbstate_t>::do_always_noconv() const _NOEXCEPT 3155{ 3156 return false; 3157} 3158 3159int 3160codecvt<char16_t, char, mbstate_t>::do_length(state_type&, 3161 const extern_type* frm, const extern_type* frm_end, size_t mx) const 3162{ 3163 const uint8_t* _frm = reinterpret_cast<const uint8_t*>(frm); 3164 const uint8_t* _frm_end = reinterpret_cast<const uint8_t*>(frm_end); 3165 return utf8_to_utf16_length(_frm, _frm_end, mx); 3166} 3167 3168int 3169codecvt<char16_t, char, mbstate_t>::do_max_length() const _NOEXCEPT 3170{ 3171 return 4; 3172} 3173 3174// template <> class codecvt<char32_t, char, mbstate_t> 3175 3176locale::id codecvt<char32_t, char, mbstate_t>::id; 3177 3178codecvt<char32_t, char, mbstate_t>::~codecvt() 3179{ 3180} 3181 3182codecvt<char32_t, char, mbstate_t>::result 3183codecvt<char32_t, char, mbstate_t>::do_out(state_type&, 3184 const intern_type* frm, const intern_type* frm_end, const intern_type*& frm_nxt, 3185 extern_type* to, extern_type* to_end, extern_type*& to_nxt) const 3186{ 3187 const uint32_t* _frm = reinterpret_cast<const uint32_t*>(frm); 3188 const uint32_t* _frm_end = reinterpret_cast<const uint32_t*>(frm_end); 3189 const uint32_t* _frm_nxt = _frm; 3190 uint8_t* _to = reinterpret_cast<uint8_t*>(to); 3191 uint8_t* _to_end = reinterpret_cast<uint8_t*>(to_end); 3192 uint8_t* _to_nxt = _to; 3193 result r = ucs4_to_utf8(_frm, _frm_end, _frm_nxt, _to, _to_end, _to_nxt); 3194 frm_nxt = frm + (_frm_nxt - _frm); 3195 to_nxt = to + (_to_nxt - _to); 3196 return r; 3197} 3198 3199codecvt<char32_t, char, mbstate_t>::result 3200codecvt<char32_t, char, mbstate_t>::do_in(state_type&, 3201 const extern_type* frm, const extern_type* frm_end, const extern_type*& frm_nxt, 3202 intern_type* to, intern_type* to_end, intern_type*& to_nxt) const 3203{ 3204 const uint8_t* _frm = reinterpret_cast<const uint8_t*>(frm); 3205 const uint8_t* _frm_end = reinterpret_cast<const uint8_t*>(frm_end); 3206 const uint8_t* _frm_nxt = _frm; 3207 uint32_t* _to = reinterpret_cast<uint32_t*>(to); 3208 uint32_t* _to_end = reinterpret_cast<uint32_t*>(to_end); 3209 uint32_t* _to_nxt = _to; 3210 result r = utf8_to_ucs4(_frm, _frm_end, _frm_nxt, _to, _to_end, _to_nxt); 3211 frm_nxt = frm + (_frm_nxt - _frm); 3212 to_nxt = to + (_to_nxt - _to); 3213 return r; 3214} 3215 3216codecvt<char32_t, char, mbstate_t>::result 3217codecvt<char32_t, char, mbstate_t>::do_unshift(state_type&, 3218 extern_type* to, extern_type*, extern_type*& to_nxt) const 3219{ 3220 to_nxt = to; 3221 return noconv; 3222} 3223 3224int 3225codecvt<char32_t, char, mbstate_t>::do_encoding() const _NOEXCEPT 3226{ 3227 return 0; 3228} 3229 3230bool 3231codecvt<char32_t, char, mbstate_t>::do_always_noconv() const _NOEXCEPT 3232{ 3233 return false; 3234} 3235 3236int 3237codecvt<char32_t, char, mbstate_t>::do_length(state_type&, 3238 const extern_type* frm, const extern_type* frm_end, size_t mx) const 3239{ 3240 const uint8_t* _frm = reinterpret_cast<const uint8_t*>(frm); 3241 const uint8_t* _frm_end = reinterpret_cast<const uint8_t*>(frm_end); 3242 return utf8_to_ucs4_length(_frm, _frm_end, mx); 3243} 3244 3245int 3246codecvt<char32_t, char, mbstate_t>::do_max_length() const _NOEXCEPT 3247{ 3248 return 4; 3249} 3250 3251// __codecvt_utf8<wchar_t> 3252 3253__codecvt_utf8<wchar_t>::result 3254__codecvt_utf8<wchar_t>::do_out(state_type&, 3255 const intern_type* frm, const intern_type* frm_end, const intern_type*& frm_nxt, 3256 extern_type* to, extern_type* to_end, extern_type*& to_nxt) const 3257{ 3258#if defined(_LIBCPP_SHORT_WCHAR) 3259 const uint16_t* _frm = reinterpret_cast<const uint16_t*>(frm); 3260 const uint16_t* _frm_end = reinterpret_cast<const uint16_t*>(frm_end); 3261 const uint16_t* _frm_nxt = _frm; 3262#else 3263 const uint32_t* _frm = reinterpret_cast<const uint32_t*>(frm); 3264 const uint32_t* _frm_end = reinterpret_cast<const uint32_t*>(frm_end); 3265 const uint32_t* _frm_nxt = _frm; 3266#endif 3267 uint8_t* _to = reinterpret_cast<uint8_t*>(to); 3268 uint8_t* _to_end = reinterpret_cast<uint8_t*>(to_end); 3269 uint8_t* _to_nxt = _to; 3270#if defined(_LIBCPP_SHORT_WCHAR) 3271 result r = ucs2_to_utf8(_frm, _frm_end, _frm_nxt, _to, _to_end, _to_nxt, 3272 _Maxcode_, _Mode_); 3273#else 3274 result r = ucs4_to_utf8(_frm, _frm_end, _frm_nxt, _to, _to_end, _to_nxt, 3275 _Maxcode_, _Mode_); 3276#endif 3277 frm_nxt = frm + (_frm_nxt - _frm); 3278 to_nxt = to + (_to_nxt - _to); 3279 return r; 3280} 3281 3282__codecvt_utf8<wchar_t>::result 3283__codecvt_utf8<wchar_t>::do_in(state_type&, 3284 const extern_type* frm, const extern_type* frm_end, const extern_type*& frm_nxt, 3285 intern_type* to, intern_type* to_end, intern_type*& to_nxt) const 3286{ 3287 const uint8_t* _frm = reinterpret_cast<const uint8_t*>(frm); 3288 const uint8_t* _frm_end = reinterpret_cast<const uint8_t*>(frm_end); 3289 const uint8_t* _frm_nxt = _frm; 3290#if defined(_LIBCPP_SHORT_WCHAR) 3291 uint16_t* _to = reinterpret_cast<uint16_t*>(to); 3292 uint16_t* _to_end = reinterpret_cast<uint16_t*>(to_end); 3293 uint16_t* _to_nxt = _to; 3294 result r = utf8_to_ucs2(_frm, _frm_end, _frm_nxt, _to, _to_end, _to_nxt, 3295 _Maxcode_, _Mode_); 3296#else 3297 uint32_t* _to = reinterpret_cast<uint32_t*>(to); 3298 uint32_t* _to_end = reinterpret_cast<uint32_t*>(to_end); 3299 uint32_t* _to_nxt = _to; 3300 result r = utf8_to_ucs4(_frm, _frm_end, _frm_nxt, _to, _to_end, _to_nxt, 3301 _Maxcode_, _Mode_); 3302#endif 3303 frm_nxt = frm + (_frm_nxt - _frm); 3304 to_nxt = to + (_to_nxt - _to); 3305 return r; 3306} 3307 3308__codecvt_utf8<wchar_t>::result 3309__codecvt_utf8<wchar_t>::do_unshift(state_type&, 3310 extern_type* to, extern_type*, extern_type*& to_nxt) const 3311{ 3312 to_nxt = to; 3313 return noconv; 3314} 3315 3316int 3317__codecvt_utf8<wchar_t>::do_encoding() const _NOEXCEPT 3318{ 3319 return 0; 3320} 3321 3322bool 3323__codecvt_utf8<wchar_t>::do_always_noconv() const _NOEXCEPT 3324{ 3325 return false; 3326} 3327 3328int 3329__codecvt_utf8<wchar_t>::do_length(state_type&, 3330 const extern_type* frm, const extern_type* frm_end, size_t mx) const 3331{ 3332 const uint8_t* _frm = reinterpret_cast<const uint8_t*>(frm); 3333 const uint8_t* _frm_end = reinterpret_cast<const uint8_t*>(frm_end); 3334 return utf8_to_ucs4_length(_frm, _frm_end, mx, _Maxcode_, _Mode_); 3335} 3336 3337int 3338__codecvt_utf8<wchar_t>::do_max_length() const _NOEXCEPT 3339{ 3340 if (_Mode_ & consume_header) 3341 return 7; 3342 return 4; 3343} 3344 3345// __codecvt_utf8<char16_t> 3346 3347__codecvt_utf8<char16_t>::result 3348__codecvt_utf8<char16_t>::do_out(state_type&, 3349 const intern_type* frm, const intern_type* frm_end, const intern_type*& frm_nxt, 3350 extern_type* to, extern_type* to_end, extern_type*& to_nxt) const 3351{ 3352 const uint16_t* _frm = reinterpret_cast<const uint16_t*>(frm); 3353 const uint16_t* _frm_end = reinterpret_cast<const uint16_t*>(frm_end); 3354 const uint16_t* _frm_nxt = _frm; 3355 uint8_t* _to = reinterpret_cast<uint8_t*>(to); 3356 uint8_t* _to_end = reinterpret_cast<uint8_t*>(to_end); 3357 uint8_t* _to_nxt = _to; 3358 result r = ucs2_to_utf8(_frm, _frm_end, _frm_nxt, _to, _to_end, _to_nxt, 3359 _Maxcode_, _Mode_); 3360 frm_nxt = frm + (_frm_nxt - _frm); 3361 to_nxt = to + (_to_nxt - _to); 3362 return r; 3363} 3364 3365__codecvt_utf8<char16_t>::result 3366__codecvt_utf8<char16_t>::do_in(state_type&, 3367 const extern_type* frm, const extern_type* frm_end, const extern_type*& frm_nxt, 3368 intern_type* to, intern_type* to_end, intern_type*& to_nxt) const 3369{ 3370 const uint8_t* _frm = reinterpret_cast<const uint8_t*>(frm); 3371 const uint8_t* _frm_end = reinterpret_cast<const uint8_t*>(frm_end); 3372 const uint8_t* _frm_nxt = _frm; 3373 uint16_t* _to = reinterpret_cast<uint16_t*>(to); 3374 uint16_t* _to_end = reinterpret_cast<uint16_t*>(to_end); 3375 uint16_t* _to_nxt = _to; 3376 result r = utf8_to_ucs2(_frm, _frm_end, _frm_nxt, _to, _to_end, _to_nxt, 3377 _Maxcode_, _Mode_); 3378 frm_nxt = frm + (_frm_nxt - _frm); 3379 to_nxt = to + (_to_nxt - _to); 3380 return r; 3381} 3382 3383__codecvt_utf8<char16_t>::result 3384__codecvt_utf8<char16_t>::do_unshift(state_type&, 3385 extern_type* to, extern_type*, extern_type*& to_nxt) const 3386{ 3387 to_nxt = to; 3388 return noconv; 3389} 3390 3391int 3392__codecvt_utf8<char16_t>::do_encoding() const _NOEXCEPT 3393{ 3394 return 0; 3395} 3396 3397bool 3398__codecvt_utf8<char16_t>::do_always_noconv() const _NOEXCEPT 3399{ 3400 return false; 3401} 3402 3403int 3404__codecvt_utf8<char16_t>::do_length(state_type&, 3405 const extern_type* frm, const extern_type* frm_end, size_t mx) const 3406{ 3407 const uint8_t* _frm = reinterpret_cast<const uint8_t*>(frm); 3408 const uint8_t* _frm_end = reinterpret_cast<const uint8_t*>(frm_end); 3409 return utf8_to_ucs2_length(_frm, _frm_end, mx, _Maxcode_, _Mode_); 3410} 3411 3412int 3413__codecvt_utf8<char16_t>::do_max_length() const _NOEXCEPT 3414{ 3415 if (_Mode_ & consume_header) 3416 return 6; 3417 return 3; 3418} 3419 3420// __codecvt_utf8<char32_t> 3421 3422__codecvt_utf8<char32_t>::result 3423__codecvt_utf8<char32_t>::do_out(state_type&, 3424 const intern_type* frm, const intern_type* frm_end, const intern_type*& frm_nxt, 3425 extern_type* to, extern_type* to_end, extern_type*& to_nxt) const 3426{ 3427 const uint32_t* _frm = reinterpret_cast<const uint32_t*>(frm); 3428 const uint32_t* _frm_end = reinterpret_cast<const uint32_t*>(frm_end); 3429 const uint32_t* _frm_nxt = _frm; 3430 uint8_t* _to = reinterpret_cast<uint8_t*>(to); 3431 uint8_t* _to_end = reinterpret_cast<uint8_t*>(to_end); 3432 uint8_t* _to_nxt = _to; 3433 result r = ucs4_to_utf8(_frm, _frm_end, _frm_nxt, _to, _to_end, _to_nxt, 3434 _Maxcode_, _Mode_); 3435 frm_nxt = frm + (_frm_nxt - _frm); 3436 to_nxt = to + (_to_nxt - _to); 3437 return r; 3438} 3439 3440__codecvt_utf8<char32_t>::result 3441__codecvt_utf8<char32_t>::do_in(state_type&, 3442 const extern_type* frm, const extern_type* frm_end, const extern_type*& frm_nxt, 3443 intern_type* to, intern_type* to_end, intern_type*& to_nxt) const 3444{ 3445 const uint8_t* _frm = reinterpret_cast<const uint8_t*>(frm); 3446 const uint8_t* _frm_end = reinterpret_cast<const uint8_t*>(frm_end); 3447 const uint8_t* _frm_nxt = _frm; 3448 uint32_t* _to = reinterpret_cast<uint32_t*>(to); 3449 uint32_t* _to_end = reinterpret_cast<uint32_t*>(to_end); 3450 uint32_t* _to_nxt = _to; 3451 result r = utf8_to_ucs4(_frm, _frm_end, _frm_nxt, _to, _to_end, _to_nxt, 3452 _Maxcode_, _Mode_); 3453 frm_nxt = frm + (_frm_nxt - _frm); 3454 to_nxt = to + (_to_nxt - _to); 3455 return r; 3456} 3457 3458__codecvt_utf8<char32_t>::result 3459__codecvt_utf8<char32_t>::do_unshift(state_type&, 3460 extern_type* to, extern_type*, extern_type*& to_nxt) const 3461{ 3462 to_nxt = to; 3463 return noconv; 3464} 3465 3466int 3467__codecvt_utf8<char32_t>::do_encoding() const _NOEXCEPT 3468{ 3469 return 0; 3470} 3471 3472bool 3473__codecvt_utf8<char32_t>::do_always_noconv() const _NOEXCEPT 3474{ 3475 return false; 3476} 3477 3478int 3479__codecvt_utf8<char32_t>::do_length(state_type&, 3480 const extern_type* frm, const extern_type* frm_end, size_t mx) const 3481{ 3482 const uint8_t* _frm = reinterpret_cast<const uint8_t*>(frm); 3483 const uint8_t* _frm_end = reinterpret_cast<const uint8_t*>(frm_end); 3484 return utf8_to_ucs4_length(_frm, _frm_end, mx, _Maxcode_, _Mode_); 3485} 3486 3487int 3488__codecvt_utf8<char32_t>::do_max_length() const _NOEXCEPT 3489{ 3490 if (_Mode_ & consume_header) 3491 return 7; 3492 return 4; 3493} 3494 3495// __codecvt_utf16<wchar_t, false> 3496 3497__codecvt_utf16<wchar_t, false>::result 3498__codecvt_utf16<wchar_t, false>::do_out(state_type&, 3499 const intern_type* frm, const intern_type* frm_end, const intern_type*& frm_nxt, 3500 extern_type* to, extern_type* to_end, extern_type*& to_nxt) const 3501{ 3502 const uint32_t* _frm = reinterpret_cast<const uint32_t*>(frm); 3503 const uint32_t* _frm_end = reinterpret_cast<const uint32_t*>(frm_end); 3504 const uint32_t* _frm_nxt = _frm; 3505 uint8_t* _to = reinterpret_cast<uint8_t*>(to); 3506 uint8_t* _to_end = reinterpret_cast<uint8_t*>(to_end); 3507 uint8_t* _to_nxt = _to; 3508 result r = ucs4_to_utf16be(_frm, _frm_end, _frm_nxt, _to, _to_end, _to_nxt, 3509 _Maxcode_, _Mode_); 3510 frm_nxt = frm + (_frm_nxt - _frm); 3511 to_nxt = to + (_to_nxt - _to); 3512 return r; 3513} 3514 3515__codecvt_utf16<wchar_t, false>::result 3516__codecvt_utf16<wchar_t, false>::do_in(state_type&, 3517 const extern_type* frm, const extern_type* frm_end, const extern_type*& frm_nxt, 3518 intern_type* to, intern_type* to_end, intern_type*& to_nxt) const 3519{ 3520 const uint8_t* _frm = reinterpret_cast<const uint8_t*>(frm); 3521 const uint8_t* _frm_end = reinterpret_cast<const uint8_t*>(frm_end); 3522 const uint8_t* _frm_nxt = _frm; 3523 uint32_t* _to = reinterpret_cast<uint32_t*>(to); 3524 uint32_t* _to_end = reinterpret_cast<uint32_t*>(to_end); 3525 uint32_t* _to_nxt = _to; 3526 result r = utf16be_to_ucs4(_frm, _frm_end, _frm_nxt, _to, _to_end, _to_nxt, 3527 _Maxcode_, _Mode_); 3528 frm_nxt = frm + (_frm_nxt - _frm); 3529 to_nxt = to + (_to_nxt - _to); 3530 return r; 3531} 3532 3533__codecvt_utf16<wchar_t, false>::result 3534__codecvt_utf16<wchar_t, false>::do_unshift(state_type&, 3535 extern_type* to, extern_type*, extern_type*& to_nxt) const 3536{ 3537 to_nxt = to; 3538 return noconv; 3539} 3540 3541int 3542__codecvt_utf16<wchar_t, false>::do_encoding() const _NOEXCEPT 3543{ 3544 return 0; 3545} 3546 3547bool 3548__codecvt_utf16<wchar_t, false>::do_always_noconv() const _NOEXCEPT 3549{ 3550 return false; 3551} 3552 3553int 3554__codecvt_utf16<wchar_t, false>::do_length(state_type&, 3555 const extern_type* frm, const extern_type* frm_end, size_t mx) const 3556{ 3557 const uint8_t* _frm = reinterpret_cast<const uint8_t*>(frm); 3558 const uint8_t* _frm_end = reinterpret_cast<const uint8_t*>(frm_end); 3559 return utf16be_to_ucs4_length(_frm, _frm_end, mx, _Maxcode_, _Mode_); 3560} 3561 3562int 3563__codecvt_utf16<wchar_t, false>::do_max_length() const _NOEXCEPT 3564{ 3565 if (_Mode_ & consume_header) 3566 return 6; 3567 return 4; 3568} 3569 3570// __codecvt_utf16<wchar_t, true> 3571 3572__codecvt_utf16<wchar_t, true>::result 3573__codecvt_utf16<wchar_t, true>::do_out(state_type&, 3574 const intern_type* frm, const intern_type* frm_end, const intern_type*& frm_nxt, 3575 extern_type* to, extern_type* to_end, extern_type*& to_nxt) const 3576{ 3577 const uint32_t* _frm = reinterpret_cast<const uint32_t*>(frm); 3578 const uint32_t* _frm_end = reinterpret_cast<const uint32_t*>(frm_end); 3579 const uint32_t* _frm_nxt = _frm; 3580 uint8_t* _to = reinterpret_cast<uint8_t*>(to); 3581 uint8_t* _to_end = reinterpret_cast<uint8_t*>(to_end); 3582 uint8_t* _to_nxt = _to; 3583 result r = ucs4_to_utf16le(_frm, _frm_end, _frm_nxt, _to, _to_end, _to_nxt, 3584 _Maxcode_, _Mode_); 3585 frm_nxt = frm + (_frm_nxt - _frm); 3586 to_nxt = to + (_to_nxt - _to); 3587 return r; 3588} 3589 3590__codecvt_utf16<wchar_t, true>::result 3591__codecvt_utf16<wchar_t, true>::do_in(state_type&, 3592 const extern_type* frm, const extern_type* frm_end, const extern_type*& frm_nxt, 3593 intern_type* to, intern_type* to_end, intern_type*& to_nxt) const 3594{ 3595 const uint8_t* _frm = reinterpret_cast<const uint8_t*>(frm); 3596 const uint8_t* _frm_end = reinterpret_cast<const uint8_t*>(frm_end); 3597 const uint8_t* _frm_nxt = _frm; 3598 uint32_t* _to = reinterpret_cast<uint32_t*>(to); 3599 uint32_t* _to_end = reinterpret_cast<uint32_t*>(to_end); 3600 uint32_t* _to_nxt = _to; 3601 result r = utf16le_to_ucs4(_frm, _frm_end, _frm_nxt, _to, _to_end, _to_nxt, 3602 _Maxcode_, _Mode_); 3603 frm_nxt = frm + (_frm_nxt - _frm); 3604 to_nxt = to + (_to_nxt - _to); 3605 return r; 3606} 3607 3608__codecvt_utf16<wchar_t, true>::result 3609__codecvt_utf16<wchar_t, true>::do_unshift(state_type&, 3610 extern_type* to, extern_type*, extern_type*& to_nxt) const 3611{ 3612 to_nxt = to; 3613 return noconv; 3614} 3615 3616int 3617__codecvt_utf16<wchar_t, true>::do_encoding() const _NOEXCEPT 3618{ 3619 return 0; 3620} 3621 3622bool 3623__codecvt_utf16<wchar_t, true>::do_always_noconv() const _NOEXCEPT 3624{ 3625 return false; 3626} 3627 3628int 3629__codecvt_utf16<wchar_t, true>::do_length(state_type&, 3630 const extern_type* frm, const extern_type* frm_end, size_t mx) const 3631{ 3632 const uint8_t* _frm = reinterpret_cast<const uint8_t*>(frm); 3633 const uint8_t* _frm_end = reinterpret_cast<const uint8_t*>(frm_end); 3634 return utf16le_to_ucs4_length(_frm, _frm_end, mx, _Maxcode_, _Mode_); 3635} 3636 3637int 3638__codecvt_utf16<wchar_t, true>::do_max_length() const _NOEXCEPT 3639{ 3640 if (_Mode_ & consume_header) 3641 return 6; 3642 return 4; 3643} 3644 3645// __codecvt_utf16<char16_t, false> 3646 3647__codecvt_utf16<char16_t, false>::result 3648__codecvt_utf16<char16_t, false>::do_out(state_type&, 3649 const intern_type* frm, const intern_type* frm_end, const intern_type*& frm_nxt, 3650 extern_type* to, extern_type* to_end, extern_type*& to_nxt) const 3651{ 3652 const uint16_t* _frm = reinterpret_cast<const uint16_t*>(frm); 3653 const uint16_t* _frm_end = reinterpret_cast<const uint16_t*>(frm_end); 3654 const uint16_t* _frm_nxt = _frm; 3655 uint8_t* _to = reinterpret_cast<uint8_t*>(to); 3656 uint8_t* _to_end = reinterpret_cast<uint8_t*>(to_end); 3657 uint8_t* _to_nxt = _to; 3658 result r = ucs2_to_utf16be(_frm, _frm_end, _frm_nxt, _to, _to_end, _to_nxt, 3659 _Maxcode_, _Mode_); 3660 frm_nxt = frm + (_frm_nxt - _frm); 3661 to_nxt = to + (_to_nxt - _to); 3662 return r; 3663} 3664 3665__codecvt_utf16<char16_t, false>::result 3666__codecvt_utf16<char16_t, false>::do_in(state_type&, 3667 const extern_type* frm, const extern_type* frm_end, const extern_type*& frm_nxt, 3668 intern_type* to, intern_type* to_end, intern_type*& to_nxt) const 3669{ 3670 const uint8_t* _frm = reinterpret_cast<const uint8_t*>(frm); 3671 const uint8_t* _frm_end = reinterpret_cast<const uint8_t*>(frm_end); 3672 const uint8_t* _frm_nxt = _frm; 3673 uint16_t* _to = reinterpret_cast<uint16_t*>(to); 3674 uint16_t* _to_end = reinterpret_cast<uint16_t*>(to_end); 3675 uint16_t* _to_nxt = _to; 3676 result r = utf16be_to_ucs2(_frm, _frm_end, _frm_nxt, _to, _to_end, _to_nxt, 3677 _Maxcode_, _Mode_); 3678 frm_nxt = frm + (_frm_nxt - _frm); 3679 to_nxt = to + (_to_nxt - _to); 3680 return r; 3681} 3682 3683__codecvt_utf16<char16_t, false>::result 3684__codecvt_utf16<char16_t, false>::do_unshift(state_type&, 3685 extern_type* to, extern_type*, extern_type*& to_nxt) const 3686{ 3687 to_nxt = to; 3688 return noconv; 3689} 3690 3691int 3692__codecvt_utf16<char16_t, false>::do_encoding() const _NOEXCEPT 3693{ 3694 return 0; 3695} 3696 3697bool 3698__codecvt_utf16<char16_t, false>::do_always_noconv() const _NOEXCEPT 3699{ 3700 return false; 3701} 3702 3703int 3704__codecvt_utf16<char16_t, false>::do_length(state_type&, 3705 const extern_type* frm, const extern_type* frm_end, size_t mx) const 3706{ 3707 const uint8_t* _frm = reinterpret_cast<const uint8_t*>(frm); 3708 const uint8_t* _frm_end = reinterpret_cast<const uint8_t*>(frm_end); 3709 return utf16be_to_ucs2_length(_frm, _frm_end, mx, _Maxcode_, _Mode_); 3710} 3711 3712int 3713__codecvt_utf16<char16_t, false>::do_max_length() const _NOEXCEPT 3714{ 3715 if (_Mode_ & consume_header) 3716 return 4; 3717 return 2; 3718} 3719 3720// __codecvt_utf16<char16_t, true> 3721 3722__codecvt_utf16<char16_t, true>::result 3723__codecvt_utf16<char16_t, true>::do_out(state_type&, 3724 const intern_type* frm, const intern_type* frm_end, const intern_type*& frm_nxt, 3725 extern_type* to, extern_type* to_end, extern_type*& to_nxt) const 3726{ 3727 const uint16_t* _frm = reinterpret_cast<const uint16_t*>(frm); 3728 const uint16_t* _frm_end = reinterpret_cast<const uint16_t*>(frm_end); 3729 const uint16_t* _frm_nxt = _frm; 3730 uint8_t* _to = reinterpret_cast<uint8_t*>(to); 3731 uint8_t* _to_end = reinterpret_cast<uint8_t*>(to_end); 3732 uint8_t* _to_nxt = _to; 3733 result r = ucs2_to_utf16le(_frm, _frm_end, _frm_nxt, _to, _to_end, _to_nxt, 3734 _Maxcode_, _Mode_); 3735 frm_nxt = frm + (_frm_nxt - _frm); 3736 to_nxt = to + (_to_nxt - _to); 3737 return r; 3738} 3739 3740__codecvt_utf16<char16_t, true>::result 3741__codecvt_utf16<char16_t, true>::do_in(state_type&, 3742 const extern_type* frm, const extern_type* frm_end, const extern_type*& frm_nxt, 3743 intern_type* to, intern_type* to_end, intern_type*& to_nxt) const 3744{ 3745 const uint8_t* _frm = reinterpret_cast<const uint8_t*>(frm); 3746 const uint8_t* _frm_end = reinterpret_cast<const uint8_t*>(frm_end); 3747 const uint8_t* _frm_nxt = _frm; 3748 uint16_t* _to = reinterpret_cast<uint16_t*>(to); 3749 uint16_t* _to_end = reinterpret_cast<uint16_t*>(to_end); 3750 uint16_t* _to_nxt = _to; 3751 result r = utf16le_to_ucs2(_frm, _frm_end, _frm_nxt, _to, _to_end, _to_nxt, 3752 _Maxcode_, _Mode_); 3753 frm_nxt = frm + (_frm_nxt - _frm); 3754 to_nxt = to + (_to_nxt - _to); 3755 return r; 3756} 3757 3758__codecvt_utf16<char16_t, true>::result 3759__codecvt_utf16<char16_t, true>::do_unshift(state_type&, 3760 extern_type* to, extern_type*, extern_type*& to_nxt) const 3761{ 3762 to_nxt = to; 3763 return noconv; 3764} 3765 3766int 3767__codecvt_utf16<char16_t, true>::do_encoding() const _NOEXCEPT 3768{ 3769 return 0; 3770} 3771 3772bool 3773__codecvt_utf16<char16_t, true>::do_always_noconv() const _NOEXCEPT 3774{ 3775 return false; 3776} 3777 3778int 3779__codecvt_utf16<char16_t, true>::do_length(state_type&, 3780 const extern_type* frm, const extern_type* frm_end, size_t mx) const 3781{ 3782 const uint8_t* _frm = reinterpret_cast<const uint8_t*>(frm); 3783 const uint8_t* _frm_end = reinterpret_cast<const uint8_t*>(frm_end); 3784 return utf16le_to_ucs2_length(_frm, _frm_end, mx, _Maxcode_, _Mode_); 3785} 3786 3787int 3788__codecvt_utf16<char16_t, true>::do_max_length() const _NOEXCEPT 3789{ 3790 if (_Mode_ & consume_header) 3791 return 4; 3792 return 2; 3793} 3794 3795// __codecvt_utf16<char32_t, false> 3796 3797__codecvt_utf16<char32_t, false>::result 3798__codecvt_utf16<char32_t, false>::do_out(state_type&, 3799 const intern_type* frm, const intern_type* frm_end, const intern_type*& frm_nxt, 3800 extern_type* to, extern_type* to_end, extern_type*& to_nxt) const 3801{ 3802 const uint32_t* _frm = reinterpret_cast<const uint32_t*>(frm); 3803 const uint32_t* _frm_end = reinterpret_cast<const uint32_t*>(frm_end); 3804 const uint32_t* _frm_nxt = _frm; 3805 uint8_t* _to = reinterpret_cast<uint8_t*>(to); 3806 uint8_t* _to_end = reinterpret_cast<uint8_t*>(to_end); 3807 uint8_t* _to_nxt = _to; 3808 result r = ucs4_to_utf16be(_frm, _frm_end, _frm_nxt, _to, _to_end, _to_nxt, 3809 _Maxcode_, _Mode_); 3810 frm_nxt = frm + (_frm_nxt - _frm); 3811 to_nxt = to + (_to_nxt - _to); 3812 return r; 3813} 3814 3815__codecvt_utf16<char32_t, false>::result 3816__codecvt_utf16<char32_t, false>::do_in(state_type&, 3817 const extern_type* frm, const extern_type* frm_end, const extern_type*& frm_nxt, 3818 intern_type* to, intern_type* to_end, intern_type*& to_nxt) const 3819{ 3820 const uint8_t* _frm = reinterpret_cast<const uint8_t*>(frm); 3821 const uint8_t* _frm_end = reinterpret_cast<const uint8_t*>(frm_end); 3822 const uint8_t* _frm_nxt = _frm; 3823 uint32_t* _to = reinterpret_cast<uint32_t*>(to); 3824 uint32_t* _to_end = reinterpret_cast<uint32_t*>(to_end); 3825 uint32_t* _to_nxt = _to; 3826 result r = utf16be_to_ucs4(_frm, _frm_end, _frm_nxt, _to, _to_end, _to_nxt, 3827 _Maxcode_, _Mode_); 3828 frm_nxt = frm + (_frm_nxt - _frm); 3829 to_nxt = to + (_to_nxt - _to); 3830 return r; 3831} 3832 3833__codecvt_utf16<char32_t, false>::result 3834__codecvt_utf16<char32_t, false>::do_unshift(state_type&, 3835 extern_type* to, extern_type*, extern_type*& to_nxt) const 3836{ 3837 to_nxt = to; 3838 return noconv; 3839} 3840 3841int 3842__codecvt_utf16<char32_t, false>::do_encoding() const _NOEXCEPT 3843{ 3844 return 0; 3845} 3846 3847bool 3848__codecvt_utf16<char32_t, false>::do_always_noconv() const _NOEXCEPT 3849{ 3850 return false; 3851} 3852 3853int 3854__codecvt_utf16<char32_t, false>::do_length(state_type&, 3855 const extern_type* frm, const extern_type* frm_end, size_t mx) const 3856{ 3857 const uint8_t* _frm = reinterpret_cast<const uint8_t*>(frm); 3858 const uint8_t* _frm_end = reinterpret_cast<const uint8_t*>(frm_end); 3859 return utf16be_to_ucs4_length(_frm, _frm_end, mx, _Maxcode_, _Mode_); 3860} 3861 3862int 3863__codecvt_utf16<char32_t, false>::do_max_length() const _NOEXCEPT 3864{ 3865 if (_Mode_ & consume_header) 3866 return 6; 3867 return 4; 3868} 3869 3870// __codecvt_utf16<char32_t, true> 3871 3872__codecvt_utf16<char32_t, true>::result 3873__codecvt_utf16<char32_t, true>::do_out(state_type&, 3874 const intern_type* frm, const intern_type* frm_end, const intern_type*& frm_nxt, 3875 extern_type* to, extern_type* to_end, extern_type*& to_nxt) const 3876{ 3877 const uint32_t* _frm = reinterpret_cast<const uint32_t*>(frm); 3878 const uint32_t* _frm_end = reinterpret_cast<const uint32_t*>(frm_end); 3879 const uint32_t* _frm_nxt = _frm; 3880 uint8_t* _to = reinterpret_cast<uint8_t*>(to); 3881 uint8_t* _to_end = reinterpret_cast<uint8_t*>(to_end); 3882 uint8_t* _to_nxt = _to; 3883 result r = ucs4_to_utf16le(_frm, _frm_end, _frm_nxt, _to, _to_end, _to_nxt, 3884 _Maxcode_, _Mode_); 3885 frm_nxt = frm + (_frm_nxt - _frm); 3886 to_nxt = to + (_to_nxt - _to); 3887 return r; 3888} 3889 3890__codecvt_utf16<char32_t, true>::result 3891__codecvt_utf16<char32_t, true>::do_in(state_type&, 3892 const extern_type* frm, const extern_type* frm_end, const extern_type*& frm_nxt, 3893 intern_type* to, intern_type* to_end, intern_type*& to_nxt) const 3894{ 3895 const uint8_t* _frm = reinterpret_cast<const uint8_t*>(frm); 3896 const uint8_t* _frm_end = reinterpret_cast<const uint8_t*>(frm_end); 3897 const uint8_t* _frm_nxt = _frm; 3898 uint32_t* _to = reinterpret_cast<uint32_t*>(to); 3899 uint32_t* _to_end = reinterpret_cast<uint32_t*>(to_end); 3900 uint32_t* _to_nxt = _to; 3901 result r = utf16le_to_ucs4(_frm, _frm_end, _frm_nxt, _to, _to_end, _to_nxt, 3902 _Maxcode_, _Mode_); 3903 frm_nxt = frm + (_frm_nxt - _frm); 3904 to_nxt = to + (_to_nxt - _to); 3905 return r; 3906} 3907 3908__codecvt_utf16<char32_t, true>::result 3909__codecvt_utf16<char32_t, true>::do_unshift(state_type&, 3910 extern_type* to, extern_type*, extern_type*& to_nxt) const 3911{ 3912 to_nxt = to; 3913 return noconv; 3914} 3915 3916int 3917__codecvt_utf16<char32_t, true>::do_encoding() const _NOEXCEPT 3918{ 3919 return 0; 3920} 3921 3922bool 3923__codecvt_utf16<char32_t, true>::do_always_noconv() const _NOEXCEPT 3924{ 3925 return false; 3926} 3927 3928int 3929__codecvt_utf16<char32_t, true>::do_length(state_type&, 3930 const extern_type* frm, const extern_type* frm_end, size_t mx) const 3931{ 3932 const uint8_t* _frm = reinterpret_cast<const uint8_t*>(frm); 3933 const uint8_t* _frm_end = reinterpret_cast<const uint8_t*>(frm_end); 3934 return utf16le_to_ucs4_length(_frm, _frm_end, mx, _Maxcode_, _Mode_); 3935} 3936 3937int 3938__codecvt_utf16<char32_t, true>::do_max_length() const _NOEXCEPT 3939{ 3940 if (_Mode_ & consume_header) 3941 return 6; 3942 return 4; 3943} 3944 3945// __codecvt_utf8_utf16<wchar_t> 3946 3947__codecvt_utf8_utf16<wchar_t>::result 3948__codecvt_utf8_utf16<wchar_t>::do_out(state_type&, 3949 const intern_type* frm, const intern_type* frm_end, const intern_type*& frm_nxt, 3950 extern_type* to, extern_type* to_end, extern_type*& to_nxt) const 3951{ 3952 const uint32_t* _frm = reinterpret_cast<const uint32_t*>(frm); 3953 const uint32_t* _frm_end = reinterpret_cast<const uint32_t*>(frm_end); 3954 const uint32_t* _frm_nxt = _frm; 3955 uint8_t* _to = reinterpret_cast<uint8_t*>(to); 3956 uint8_t* _to_end = reinterpret_cast<uint8_t*>(to_end); 3957 uint8_t* _to_nxt = _to; 3958 result r = utf16_to_utf8(_frm, _frm_end, _frm_nxt, _to, _to_end, _to_nxt, 3959 _Maxcode_, _Mode_); 3960 frm_nxt = frm + (_frm_nxt - _frm); 3961 to_nxt = to + (_to_nxt - _to); 3962 return r; 3963} 3964 3965__codecvt_utf8_utf16<wchar_t>::result 3966__codecvt_utf8_utf16<wchar_t>::do_in(state_type&, 3967 const extern_type* frm, const extern_type* frm_end, const extern_type*& frm_nxt, 3968 intern_type* to, intern_type* to_end, intern_type*& to_nxt) const 3969{ 3970 const uint8_t* _frm = reinterpret_cast<const uint8_t*>(frm); 3971 const uint8_t* _frm_end = reinterpret_cast<const uint8_t*>(frm_end); 3972 const uint8_t* _frm_nxt = _frm; 3973 uint32_t* _to = reinterpret_cast<uint32_t*>(to); 3974 uint32_t* _to_end = reinterpret_cast<uint32_t*>(to_end); 3975 uint32_t* _to_nxt = _to; 3976 result r = utf8_to_utf16(_frm, _frm_end, _frm_nxt, _to, _to_end, _to_nxt, 3977 _Maxcode_, _Mode_); 3978 frm_nxt = frm + (_frm_nxt - _frm); 3979 to_nxt = to + (_to_nxt - _to); 3980 return r; 3981} 3982 3983__codecvt_utf8_utf16<wchar_t>::result 3984__codecvt_utf8_utf16<wchar_t>::do_unshift(state_type&, 3985 extern_type* to, extern_type*, extern_type*& to_nxt) const 3986{ 3987 to_nxt = to; 3988 return noconv; 3989} 3990 3991int 3992__codecvt_utf8_utf16<wchar_t>::do_encoding() const _NOEXCEPT 3993{ 3994 return 0; 3995} 3996 3997bool 3998__codecvt_utf8_utf16<wchar_t>::do_always_noconv() const _NOEXCEPT 3999{ 4000 return false; 4001} 4002 4003int 4004__codecvt_utf8_utf16<wchar_t>::do_length(state_type&, 4005 const extern_type* frm, const extern_type* frm_end, size_t mx) const 4006{ 4007 const uint8_t* _frm = reinterpret_cast<const uint8_t*>(frm); 4008 const uint8_t* _frm_end = reinterpret_cast<const uint8_t*>(frm_end); 4009 return utf8_to_utf16_length(_frm, _frm_end, mx, _Maxcode_, _Mode_); 4010} 4011 4012int 4013__codecvt_utf8_utf16<wchar_t>::do_max_length() const _NOEXCEPT 4014{ 4015 if (_Mode_ & consume_header) 4016 return 7; 4017 return 4; 4018} 4019 4020// __codecvt_utf8_utf16<char16_t> 4021 4022__codecvt_utf8_utf16<char16_t>::result 4023__codecvt_utf8_utf16<char16_t>::do_out(state_type&, 4024 const intern_type* frm, const intern_type* frm_end, const intern_type*& frm_nxt, 4025 extern_type* to, extern_type* to_end, extern_type*& to_nxt) const 4026{ 4027 const uint16_t* _frm = reinterpret_cast<const uint16_t*>(frm); 4028 const uint16_t* _frm_end = reinterpret_cast<const uint16_t*>(frm_end); 4029 const uint16_t* _frm_nxt = _frm; 4030 uint8_t* _to = reinterpret_cast<uint8_t*>(to); 4031 uint8_t* _to_end = reinterpret_cast<uint8_t*>(to_end); 4032 uint8_t* _to_nxt = _to; 4033 result r = utf16_to_utf8(_frm, _frm_end, _frm_nxt, _to, _to_end, _to_nxt, 4034 _Maxcode_, _Mode_); 4035 frm_nxt = frm + (_frm_nxt - _frm); 4036 to_nxt = to + (_to_nxt - _to); 4037 return r; 4038} 4039 4040__codecvt_utf8_utf16<char16_t>::result 4041__codecvt_utf8_utf16<char16_t>::do_in(state_type&, 4042 const extern_type* frm, const extern_type* frm_end, const extern_type*& frm_nxt, 4043 intern_type* to, intern_type* to_end, intern_type*& to_nxt) const 4044{ 4045 const uint8_t* _frm = reinterpret_cast<const uint8_t*>(frm); 4046 const uint8_t* _frm_end = reinterpret_cast<const uint8_t*>(frm_end); 4047 const uint8_t* _frm_nxt = _frm; 4048 uint16_t* _to = reinterpret_cast<uint16_t*>(to); 4049 uint16_t* _to_end = reinterpret_cast<uint16_t*>(to_end); 4050 uint16_t* _to_nxt = _to; 4051 result r = utf8_to_utf16(_frm, _frm_end, _frm_nxt, _to, _to_end, _to_nxt, 4052 _Maxcode_, _Mode_); 4053 frm_nxt = frm + (_frm_nxt - _frm); 4054 to_nxt = to + (_to_nxt - _to); 4055 return r; 4056} 4057 4058__codecvt_utf8_utf16<char16_t>::result 4059__codecvt_utf8_utf16<char16_t>::do_unshift(state_type&, 4060 extern_type* to, extern_type*, extern_type*& to_nxt) const 4061{ 4062 to_nxt = to; 4063 return noconv; 4064} 4065 4066int 4067__codecvt_utf8_utf16<char16_t>::do_encoding() const _NOEXCEPT 4068{ 4069 return 0; 4070} 4071 4072bool 4073__codecvt_utf8_utf16<char16_t>::do_always_noconv() const _NOEXCEPT 4074{ 4075 return false; 4076} 4077 4078int 4079__codecvt_utf8_utf16<char16_t>::do_length(state_type&, 4080 const extern_type* frm, const extern_type* frm_end, size_t mx) const 4081{ 4082 const uint8_t* _frm = reinterpret_cast<const uint8_t*>(frm); 4083 const uint8_t* _frm_end = reinterpret_cast<const uint8_t*>(frm_end); 4084 return utf8_to_utf16_length(_frm, _frm_end, mx, _Maxcode_, _Mode_); 4085} 4086 4087int 4088__codecvt_utf8_utf16<char16_t>::do_max_length() const _NOEXCEPT 4089{ 4090 if (_Mode_ & consume_header) 4091 return 7; 4092 return 4; 4093} 4094 4095// __codecvt_utf8_utf16<char32_t> 4096 4097__codecvt_utf8_utf16<char32_t>::result 4098__codecvt_utf8_utf16<char32_t>::do_out(state_type&, 4099 const intern_type* frm, const intern_type* frm_end, const intern_type*& frm_nxt, 4100 extern_type* to, extern_type* to_end, extern_type*& to_nxt) const 4101{ 4102 const uint32_t* _frm = reinterpret_cast<const uint32_t*>(frm); 4103 const uint32_t* _frm_end = reinterpret_cast<const uint32_t*>(frm_end); 4104 const uint32_t* _frm_nxt = _frm; 4105 uint8_t* _to = reinterpret_cast<uint8_t*>(to); 4106 uint8_t* _to_end = reinterpret_cast<uint8_t*>(to_end); 4107 uint8_t* _to_nxt = _to; 4108 result r = utf16_to_utf8(_frm, _frm_end, _frm_nxt, _to, _to_end, _to_nxt, 4109 _Maxcode_, _Mode_); 4110 frm_nxt = frm + (_frm_nxt - _frm); 4111 to_nxt = to + (_to_nxt - _to); 4112 return r; 4113} 4114 4115__codecvt_utf8_utf16<char32_t>::result 4116__codecvt_utf8_utf16<char32_t>::do_in(state_type&, 4117 const extern_type* frm, const extern_type* frm_end, const extern_type*& frm_nxt, 4118 intern_type* to, intern_type* to_end, intern_type*& to_nxt) const 4119{ 4120 const uint8_t* _frm = reinterpret_cast<const uint8_t*>(frm); 4121 const uint8_t* _frm_end = reinterpret_cast<const uint8_t*>(frm_end); 4122 const uint8_t* _frm_nxt = _frm; 4123 uint32_t* _to = reinterpret_cast<uint32_t*>(to); 4124 uint32_t* _to_end = reinterpret_cast<uint32_t*>(to_end); 4125 uint32_t* _to_nxt = _to; 4126 result r = utf8_to_utf16(_frm, _frm_end, _frm_nxt, _to, _to_end, _to_nxt, 4127 _Maxcode_, _Mode_); 4128 frm_nxt = frm + (_frm_nxt - _frm); 4129 to_nxt = to + (_to_nxt - _to); 4130 return r; 4131} 4132 4133__codecvt_utf8_utf16<char32_t>::result 4134__codecvt_utf8_utf16<char32_t>::do_unshift(state_type&, 4135 extern_type* to, extern_type*, extern_type*& to_nxt) const 4136{ 4137 to_nxt = to; 4138 return noconv; 4139} 4140 4141int 4142__codecvt_utf8_utf16<char32_t>::do_encoding() const _NOEXCEPT 4143{ 4144 return 0; 4145} 4146 4147bool 4148__codecvt_utf8_utf16<char32_t>::do_always_noconv() const _NOEXCEPT 4149{ 4150 return false; 4151} 4152 4153int 4154__codecvt_utf8_utf16<char32_t>::do_length(state_type&, 4155 const extern_type* frm, const extern_type* frm_end, size_t mx) const 4156{ 4157 const uint8_t* _frm = reinterpret_cast<const uint8_t*>(frm); 4158 const uint8_t* _frm_end = reinterpret_cast<const uint8_t*>(frm_end); 4159 return utf8_to_utf16_length(_frm, _frm_end, mx, _Maxcode_, _Mode_); 4160} 4161 4162int 4163__codecvt_utf8_utf16<char32_t>::do_max_length() const _NOEXCEPT 4164{ 4165 if (_Mode_ & consume_header) 4166 return 7; 4167 return 4; 4168} 4169 4170// __narrow_to_utf8<16> 4171 4172__narrow_to_utf8<16>::~__narrow_to_utf8() 4173{ 4174} 4175 4176// __narrow_to_utf8<32> 4177 4178__narrow_to_utf8<32>::~__narrow_to_utf8() 4179{ 4180} 4181 4182// __widen_from_utf8<16> 4183 4184__widen_from_utf8<16>::~__widen_from_utf8() 4185{ 4186} 4187 4188// __widen_from_utf8<32> 4189 4190__widen_from_utf8<32>::~__widen_from_utf8() 4191{ 4192} 4193 4194 4195static bool checked_string_to_wchar_convert(wchar_t& dest, 4196 const char* ptr, 4197 locale_t loc) { 4198 if (*ptr == '\0') 4199 return false; 4200 mbstate_t mb = {}; 4201 wchar_t out; 4202 size_t ret = __libcpp_mbrtowc_l(&out, ptr, strlen(ptr), &mb, loc); 4203 if (ret == static_cast<size_t>(-1) || ret == static_cast<size_t>(-2)) { 4204 return false; 4205 } 4206 dest = out; 4207 return true; 4208} 4209 4210static bool checked_string_to_char_convert(char& dest, 4211 const char* ptr, 4212 locale_t __loc) { 4213 if (*ptr == '\0') 4214 return false; 4215 if (!ptr[1]) { 4216 dest = *ptr; 4217 return true; 4218 } 4219 // First convert the MBS into a wide char then attempt to narrow it using 4220 // wctob_l. 4221 wchar_t wout; 4222 if (!checked_string_to_wchar_convert(wout, ptr, __loc)) 4223 return false; 4224 int res; 4225 if ((res = __libcpp_wctob_l(wout, __loc)) != char_traits<char>::eof()) { 4226 dest = res; 4227 return true; 4228 } 4229 // FIXME: Work around specific multibyte sequences that we can reasonable 4230 // translate into a different single byte. 4231 switch (wout) { 4232 case L'\u202F': // narrow non-breaking space 4233 case L'\u00A0': // non-breaking space 4234 dest = ' '; 4235 return true; 4236 default: 4237 return false; 4238 } 4239 _LIBCPP_UNREACHABLE(); 4240} 4241 4242 4243// numpunct<char> && numpunct<wchar_t> 4244 4245locale::id numpunct< char >::id; 4246locale::id numpunct<wchar_t>::id; 4247 4248numpunct<char>::numpunct(size_t refs) 4249 : locale::facet(refs), 4250 __decimal_point_('.'), 4251 __thousands_sep_(',') 4252{ 4253} 4254 4255numpunct<wchar_t>::numpunct(size_t refs) 4256 : locale::facet(refs), 4257 __decimal_point_(L'.'), 4258 __thousands_sep_(L',') 4259{ 4260} 4261 4262numpunct<char>::~numpunct() 4263{ 4264} 4265 4266numpunct<wchar_t>::~numpunct() 4267{ 4268} 4269 4270 char numpunct< char >::do_decimal_point() const {return __decimal_point_;} 4271wchar_t numpunct<wchar_t>::do_decimal_point() const {return __decimal_point_;} 4272 4273 char numpunct< char >::do_thousands_sep() const {return __thousands_sep_;} 4274wchar_t numpunct<wchar_t>::do_thousands_sep() const {return __thousands_sep_;} 4275 4276string numpunct< char >::do_grouping() const {return __grouping_;} 4277string numpunct<wchar_t>::do_grouping() const {return __grouping_;} 4278 4279 string numpunct< char >::do_truename() const {return "true";} 4280wstring numpunct<wchar_t>::do_truename() const {return L"true";} 4281 4282 string numpunct< char >::do_falsename() const {return "false";} 4283wstring numpunct<wchar_t>::do_falsename() const {return L"false";} 4284 4285// numpunct_byname<char> 4286 4287numpunct_byname<char>::numpunct_byname(const char* nm, size_t refs) 4288 : numpunct<char>(refs) 4289{ 4290 __init(nm); 4291} 4292 4293numpunct_byname<char>::numpunct_byname(const string& nm, size_t refs) 4294 : numpunct<char>(refs) 4295{ 4296 __init(nm.c_str()); 4297} 4298 4299numpunct_byname<char>::~numpunct_byname() 4300{ 4301} 4302 4303void 4304numpunct_byname<char>::__init(const char* nm) 4305{ 4306 if (strcmp(nm, "C") != 0) 4307 { 4308 __libcpp_unique_locale loc(nm); 4309 if (!loc) 4310 __throw_runtime_error("numpunct_byname<char>::numpunct_byname" 4311 " failed to construct for " + string(nm)); 4312 4313 lconv* lc = __libcpp_localeconv_l(loc.get()); 4314 checked_string_to_char_convert(__decimal_point_, lc->decimal_point, 4315 loc.get()); 4316 checked_string_to_char_convert(__thousands_sep_, lc->thousands_sep, 4317 loc.get()); 4318 __grouping_ = lc->grouping; 4319 // localization for truename and falsename is not available 4320 } 4321} 4322 4323// numpunct_byname<wchar_t> 4324 4325numpunct_byname<wchar_t>::numpunct_byname(const char* nm, size_t refs) 4326 : numpunct<wchar_t>(refs) 4327{ 4328 __init(nm); 4329} 4330 4331numpunct_byname<wchar_t>::numpunct_byname(const string& nm, size_t refs) 4332 : numpunct<wchar_t>(refs) 4333{ 4334 __init(nm.c_str()); 4335} 4336 4337numpunct_byname<wchar_t>::~numpunct_byname() 4338{ 4339} 4340 4341void 4342numpunct_byname<wchar_t>::__init(const char* nm) 4343{ 4344 if (strcmp(nm, "C") != 0) 4345 { 4346 __libcpp_unique_locale loc(nm); 4347 if (!loc) 4348 __throw_runtime_error("numpunct_byname<wchar_t>::numpunct_byname" 4349 " failed to construct for " + string(nm)); 4350 4351 lconv* lc = __libcpp_localeconv_l(loc.get()); 4352 checked_string_to_wchar_convert(__decimal_point_, lc->decimal_point, 4353 loc.get()); 4354 checked_string_to_wchar_convert(__thousands_sep_, lc->thousands_sep, 4355 loc.get()); 4356 __grouping_ = lc->grouping; 4357 // localization for truename and falsename is not available 4358 } 4359} 4360 4361// num_get helpers 4362 4363int 4364__num_get_base::__get_base(ios_base& iob) 4365{ 4366 ios_base::fmtflags __basefield = iob.flags() & ios_base::basefield; 4367 if (__basefield == ios_base::oct) 4368 return 8; 4369 else if (__basefield == ios_base::hex) 4370 return 16; 4371 else if (__basefield == 0) 4372 return 0; 4373 return 10; 4374} 4375 4376const char __num_get_base::__src[33] = "0123456789abcdefABCDEFxX+-pPiInN"; 4377 4378void 4379__check_grouping(const string& __grouping, unsigned* __g, unsigned* __g_end, 4380 ios_base::iostate& __err) 4381{ 4382// if the grouping pattern is empty _or_ there are no grouping bits, then do nothing 4383// we always have at least a single entry in [__g, __g_end); the end of the input sequence 4384 if (__grouping.size() != 0 && __g_end - __g > 1) 4385 { 4386 reverse(__g, __g_end); 4387 const char* __ig = __grouping.data(); 4388 const char* __eg = __ig + __grouping.size(); 4389 for (unsigned* __r = __g; __r < __g_end-1; ++__r) 4390 { 4391 if (0 < *__ig && *__ig < numeric_limits<char>::max()) 4392 { 4393 if (static_cast<unsigned>(*__ig) != *__r) 4394 { 4395 __err = ios_base::failbit; 4396 return; 4397 } 4398 } 4399 if (__eg - __ig > 1) 4400 ++__ig; 4401 } 4402 if (0 < *__ig && *__ig < numeric_limits<char>::max()) 4403 { 4404 if (static_cast<unsigned>(*__ig) < __g_end[-1] || __g_end[-1] == 0) 4405 __err = ios_base::failbit; 4406 } 4407 } 4408} 4409 4410void 4411__num_put_base::__format_int(char* __fmtp, const char* __len, bool __signd, 4412 ios_base::fmtflags __flags) 4413{ 4414 if (__flags & ios_base::showpos) 4415 *__fmtp++ = '+'; 4416 if (__flags & ios_base::showbase) 4417 *__fmtp++ = '#'; 4418 while(*__len) 4419 *__fmtp++ = *__len++; 4420 if ((__flags & ios_base::basefield) == ios_base::oct) 4421 *__fmtp = 'o'; 4422 else if ((__flags & ios_base::basefield) == ios_base::hex) 4423 { 4424 if (__flags & ios_base::uppercase) 4425 *__fmtp = 'X'; 4426 else 4427 *__fmtp = 'x'; 4428 } 4429 else if (__signd) 4430 *__fmtp = 'd'; 4431 else 4432 *__fmtp = 'u'; 4433} 4434 4435bool 4436__num_put_base::__format_float(char* __fmtp, const char* __len, 4437 ios_base::fmtflags __flags) 4438{ 4439 bool specify_precision = true; 4440 if (__flags & ios_base::showpos) 4441 *__fmtp++ = '+'; 4442 if (__flags & ios_base::showpoint) 4443 *__fmtp++ = '#'; 4444 ios_base::fmtflags floatfield = __flags & ios_base::floatfield; 4445 bool uppercase = (__flags & ios_base::uppercase) != 0; 4446 if (floatfield == (ios_base::fixed | ios_base::scientific)) 4447 specify_precision = false; 4448 else 4449 { 4450 *__fmtp++ = '.'; 4451 *__fmtp++ = '*'; 4452 } 4453 while(*__len) 4454 *__fmtp++ = *__len++; 4455 if (floatfield == ios_base::fixed) 4456 { 4457 if (uppercase) 4458 *__fmtp = 'F'; 4459 else 4460 *__fmtp = 'f'; 4461 } 4462 else if (floatfield == ios_base::scientific) 4463 { 4464 if (uppercase) 4465 *__fmtp = 'E'; 4466 else 4467 *__fmtp = 'e'; 4468 } 4469 else if (floatfield == (ios_base::fixed | ios_base::scientific)) 4470 { 4471 if (uppercase) 4472 *__fmtp = 'A'; 4473 else 4474 *__fmtp = 'a'; 4475 } 4476 else 4477 { 4478 if (uppercase) 4479 *__fmtp = 'G'; 4480 else 4481 *__fmtp = 'g'; 4482 } 4483 return specify_precision; 4484} 4485 4486char* 4487__num_put_base::__identify_padding(char* __nb, char* __ne, 4488 const ios_base& __iob) 4489{ 4490 switch (__iob.flags() & ios_base::adjustfield) 4491 { 4492 case ios_base::internal: 4493 if (__nb[0] == '-' || __nb[0] == '+') 4494 return __nb+1; 4495 if (__ne - __nb >= 2 && __nb[0] == '0' 4496 && (__nb[1] == 'x' || __nb[1] == 'X')) 4497 return __nb+2; 4498 break; 4499 case ios_base::left: 4500 return __ne; 4501 case ios_base::right: 4502 default: 4503 break; 4504 } 4505 return __nb; 4506} 4507 4508// time_get 4509 4510static 4511string* 4512init_weeks() 4513{ 4514 static string weeks[14]; 4515 weeks[0] = "Sunday"; 4516 weeks[1] = "Monday"; 4517 weeks[2] = "Tuesday"; 4518 weeks[3] = "Wednesday"; 4519 weeks[4] = "Thursday"; 4520 weeks[5] = "Friday"; 4521 weeks[6] = "Saturday"; 4522 weeks[7] = "Sun"; 4523 weeks[8] = "Mon"; 4524 weeks[9] = "Tue"; 4525 weeks[10] = "Wed"; 4526 weeks[11] = "Thu"; 4527 weeks[12] = "Fri"; 4528 weeks[13] = "Sat"; 4529 return weeks; 4530} 4531 4532static 4533wstring* 4534init_wweeks() 4535{ 4536 static wstring weeks[14]; 4537 weeks[0] = L"Sunday"; 4538 weeks[1] = L"Monday"; 4539 weeks[2] = L"Tuesday"; 4540 weeks[3] = L"Wednesday"; 4541 weeks[4] = L"Thursday"; 4542 weeks[5] = L"Friday"; 4543 weeks[6] = L"Saturday"; 4544 weeks[7] = L"Sun"; 4545 weeks[8] = L"Mon"; 4546 weeks[9] = L"Tue"; 4547 weeks[10] = L"Wed"; 4548 weeks[11] = L"Thu"; 4549 weeks[12] = L"Fri"; 4550 weeks[13] = L"Sat"; 4551 return weeks; 4552} 4553 4554template <> 4555const string* 4556__time_get_c_storage<char>::__weeks() const 4557{ 4558 static const string* weeks = init_weeks(); 4559 return weeks; 4560} 4561 4562template <> 4563const wstring* 4564__time_get_c_storage<wchar_t>::__weeks() const 4565{ 4566 static const wstring* weeks = init_wweeks(); 4567 return weeks; 4568} 4569 4570static 4571string* 4572init_months() 4573{ 4574 static string months[24]; 4575 months[0] = "January"; 4576 months[1] = "February"; 4577 months[2] = "March"; 4578 months[3] = "April"; 4579 months[4] = "May"; 4580 months[5] = "June"; 4581 months[6] = "July"; 4582 months[7] = "August"; 4583 months[8] = "September"; 4584 months[9] = "October"; 4585 months[10] = "November"; 4586 months[11] = "December"; 4587 months[12] = "Jan"; 4588 months[13] = "Feb"; 4589 months[14] = "Mar"; 4590 months[15] = "Apr"; 4591 months[16] = "May"; 4592 months[17] = "Jun"; 4593 months[18] = "Jul"; 4594 months[19] = "Aug"; 4595 months[20] = "Sep"; 4596 months[21] = "Oct"; 4597 months[22] = "Nov"; 4598 months[23] = "Dec"; 4599 return months; 4600} 4601 4602static 4603wstring* 4604init_wmonths() 4605{ 4606 static wstring months[24]; 4607 months[0] = L"January"; 4608 months[1] = L"February"; 4609 months[2] = L"March"; 4610 months[3] = L"April"; 4611 months[4] = L"May"; 4612 months[5] = L"June"; 4613 months[6] = L"July"; 4614 months[7] = L"August"; 4615 months[8] = L"September"; 4616 months[9] = L"October"; 4617 months[10] = L"November"; 4618 months[11] = L"December"; 4619 months[12] = L"Jan"; 4620 months[13] = L"Feb"; 4621 months[14] = L"Mar"; 4622 months[15] = L"Apr"; 4623 months[16] = L"May"; 4624 months[17] = L"Jun"; 4625 months[18] = L"Jul"; 4626 months[19] = L"Aug"; 4627 months[20] = L"Sep"; 4628 months[21] = L"Oct"; 4629 months[22] = L"Nov"; 4630 months[23] = L"Dec"; 4631 return months; 4632} 4633 4634template <> 4635const string* 4636__time_get_c_storage<char>::__months() const 4637{ 4638 static const string* months = init_months(); 4639 return months; 4640} 4641 4642template <> 4643const wstring* 4644__time_get_c_storage<wchar_t>::__months() const 4645{ 4646 static const wstring* months = init_wmonths(); 4647 return months; 4648} 4649 4650static 4651string* 4652init_am_pm() 4653{ 4654 static string am_pm[2]; 4655 am_pm[0] = "AM"; 4656 am_pm[1] = "PM"; 4657 return am_pm; 4658} 4659 4660static 4661wstring* 4662init_wam_pm() 4663{ 4664 static wstring am_pm[2]; 4665 am_pm[0] = L"AM"; 4666 am_pm[1] = L"PM"; 4667 return am_pm; 4668} 4669 4670template <> 4671const string* 4672__time_get_c_storage<char>::__am_pm() const 4673{ 4674 static const string* am_pm = init_am_pm(); 4675 return am_pm; 4676} 4677 4678template <> 4679const wstring* 4680__time_get_c_storage<wchar_t>::__am_pm() const 4681{ 4682 static const wstring* am_pm = init_wam_pm(); 4683 return am_pm; 4684} 4685 4686template <> 4687const string& 4688__time_get_c_storage<char>::__x() const 4689{ 4690 static string s("%m/%d/%y"); 4691 return s; 4692} 4693 4694template <> 4695const wstring& 4696__time_get_c_storage<wchar_t>::__x() const 4697{ 4698 static wstring s(L"%m/%d/%y"); 4699 return s; 4700} 4701 4702template <> 4703const string& 4704__time_get_c_storage<char>::__X() const 4705{ 4706 static string s("%H:%M:%S"); 4707 return s; 4708} 4709 4710template <> 4711const wstring& 4712__time_get_c_storage<wchar_t>::__X() const 4713{ 4714 static wstring s(L"%H:%M:%S"); 4715 return s; 4716} 4717 4718template <> 4719const string& 4720__time_get_c_storage<char>::__c() const 4721{ 4722 static string s("%a %b %d %H:%M:%S %Y"); 4723 return s; 4724} 4725 4726template <> 4727const wstring& 4728__time_get_c_storage<wchar_t>::__c() const 4729{ 4730 static wstring s(L"%a %b %d %H:%M:%S %Y"); 4731 return s; 4732} 4733 4734template <> 4735const string& 4736__time_get_c_storage<char>::__r() const 4737{ 4738 static string s("%I:%M:%S %p"); 4739 return s; 4740} 4741 4742template <> 4743const wstring& 4744__time_get_c_storage<wchar_t>::__r() const 4745{ 4746 static wstring s(L"%I:%M:%S %p"); 4747 return s; 4748} 4749 4750// time_get_byname 4751 4752__time_get::__time_get(const char* nm) 4753 : __loc_(newlocale(LC_ALL_MASK, nm, 0)) 4754{ 4755 if (__loc_ == 0) 4756 __throw_runtime_error("time_get_byname" 4757 " failed to construct for " + string(nm)); 4758} 4759 4760__time_get::__time_get(const string& nm) 4761 : __loc_(newlocale(LC_ALL_MASK, nm.c_str(), 0)) 4762{ 4763 if (__loc_ == 0) 4764 __throw_runtime_error("time_get_byname" 4765 " failed to construct for " + nm); 4766} 4767 4768__time_get::~__time_get() 4769{ 4770 freelocale(__loc_); 4771} 4772#if defined(__clang__) 4773#pragma clang diagnostic ignored "-Wmissing-field-initializers" 4774#endif 4775#if defined(__GNUG__) 4776#pragma GCC diagnostic ignored "-Wmissing-field-initializers" 4777#endif 4778 4779template <> 4780string 4781__time_get_storage<char>::__analyze(char fmt, const ctype<char>& ct) 4782{ 4783 tm t = {0}; 4784 t.tm_sec = 59; 4785 t.tm_min = 55; 4786 t.tm_hour = 23; 4787 t.tm_mday = 31; 4788 t.tm_mon = 11; 4789 t.tm_year = 161; 4790 t.tm_wday = 6; 4791 t.tm_yday = 364; 4792 t.tm_isdst = -1; 4793 char buf[100]; 4794 char f[3] = {0}; 4795 f[0] = '%'; 4796 f[1] = fmt; 4797 size_t n = strftime_l(buf, countof(buf), f, &t, __loc_); 4798 char* bb = buf; 4799 char* be = buf + n; 4800 string result; 4801 while (bb != be) 4802 { 4803 if (ct.is(ctype_base::space, *bb)) 4804 { 4805 result.push_back(' '); 4806 for (++bb; bb != be && ct.is(ctype_base::space, *bb); ++bb) 4807 ; 4808 continue; 4809 } 4810 char* w = bb; 4811 ios_base::iostate err = ios_base::goodbit; 4812 ptrdiff_t i = __scan_keyword(w, be, this->__weeks_, this->__weeks_+14, 4813 ct, err, false) 4814 - this->__weeks_; 4815 if (i < 14) 4816 { 4817 result.push_back('%'); 4818 if (i < 7) 4819 result.push_back('A'); 4820 else 4821 result.push_back('a'); 4822 bb = w; 4823 continue; 4824 } 4825 w = bb; 4826 i = __scan_keyword(w, be, this->__months_, this->__months_+24, 4827 ct, err, false) 4828 - this->__months_; 4829 if (i < 24) 4830 { 4831 result.push_back('%'); 4832 if (i < 12) 4833 result.push_back('B'); 4834 else 4835 result.push_back('b'); 4836 if (fmt == 'x' && ct.is(ctype_base::digit, this->__months_[i][0])) 4837 result.back() = 'm'; 4838 bb = w; 4839 continue; 4840 } 4841 if (this->__am_pm_[0].size() + this->__am_pm_[1].size() > 0) 4842 { 4843 w = bb; 4844 i = __scan_keyword(w, be, this->__am_pm_, this->__am_pm_+2, 4845 ct, err, false) - this->__am_pm_; 4846 if (i < 2) 4847 { 4848 result.push_back('%'); 4849 result.push_back('p'); 4850 bb = w; 4851 continue; 4852 } 4853 } 4854 w = bb; 4855 if (ct.is(ctype_base::digit, *bb)) 4856 { 4857 switch(__get_up_to_n_digits(bb, be, err, ct, 4)) 4858 { 4859 case 6: 4860 result.push_back('%'); 4861 result.push_back('w'); 4862 break; 4863 case 7: 4864 result.push_back('%'); 4865 result.push_back('u'); 4866 break; 4867 case 11: 4868 result.push_back('%'); 4869 result.push_back('I'); 4870 break; 4871 case 12: 4872 result.push_back('%'); 4873 result.push_back('m'); 4874 break; 4875 case 23: 4876 result.push_back('%'); 4877 result.push_back('H'); 4878 break; 4879 case 31: 4880 result.push_back('%'); 4881 result.push_back('d'); 4882 break; 4883 case 55: 4884 result.push_back('%'); 4885 result.push_back('M'); 4886 break; 4887 case 59: 4888 result.push_back('%'); 4889 result.push_back('S'); 4890 break; 4891 case 61: 4892 result.push_back('%'); 4893 result.push_back('y'); 4894 break; 4895 case 364: 4896 result.push_back('%'); 4897 result.push_back('j'); 4898 break; 4899 case 2061: 4900 result.push_back('%'); 4901 result.push_back('Y'); 4902 break; 4903 default: 4904 for (; w != bb; ++w) 4905 result.push_back(*w); 4906 break; 4907 } 4908 continue; 4909 } 4910 if (*bb == '%') 4911 { 4912 result.push_back('%'); 4913 result.push_back('%'); 4914 ++bb; 4915 continue; 4916 } 4917 result.push_back(*bb); 4918 ++bb; 4919 } 4920 return result; 4921} 4922 4923#if defined(__clang__) 4924#pragma clang diagnostic ignored "-Wmissing-braces" 4925#endif 4926 4927template <> 4928wstring 4929__time_get_storage<wchar_t>::__analyze(char fmt, const ctype<wchar_t>& ct) 4930{ 4931 tm t = {0}; 4932 t.tm_sec = 59; 4933 t.tm_min = 55; 4934 t.tm_hour = 23; 4935 t.tm_mday = 31; 4936 t.tm_mon = 11; 4937 t.tm_year = 161; 4938 t.tm_wday = 6; 4939 t.tm_yday = 364; 4940 t.tm_isdst = -1; 4941 char buf[100]; 4942 char f[3] = {0}; 4943 f[0] = '%'; 4944 f[1] = fmt; 4945 strftime_l(buf, countof(buf), f, &t, __loc_); 4946 wchar_t wbuf[100]; 4947 wchar_t* wbb = wbuf; 4948 mbstate_t mb = {0}; 4949 const char* bb = buf; 4950 size_t j = __libcpp_mbsrtowcs_l( wbb, &bb, countof(wbuf), &mb, __loc_); 4951 if (j == size_t(-1)) 4952 __throw_runtime_error("locale not supported"); 4953 wchar_t* wbe = wbb + j; 4954 wstring result; 4955 while (wbb != wbe) 4956 { 4957 if (ct.is(ctype_base::space, *wbb)) 4958 { 4959 result.push_back(L' '); 4960 for (++wbb; wbb != wbe && ct.is(ctype_base::space, *wbb); ++wbb) 4961 ; 4962 continue; 4963 } 4964 wchar_t* w = wbb; 4965 ios_base::iostate err = ios_base::goodbit; 4966 ptrdiff_t i = __scan_keyword(w, wbe, this->__weeks_, this->__weeks_+14, 4967 ct, err, false) 4968 - this->__weeks_; 4969 if (i < 14) 4970 { 4971 result.push_back(L'%'); 4972 if (i < 7) 4973 result.push_back(L'A'); 4974 else 4975 result.push_back(L'a'); 4976 wbb = w; 4977 continue; 4978 } 4979 w = wbb; 4980 i = __scan_keyword(w, wbe, this->__months_, this->__months_+24, 4981 ct, err, false) 4982 - this->__months_; 4983 if (i < 24) 4984 { 4985 result.push_back(L'%'); 4986 if (i < 12) 4987 result.push_back(L'B'); 4988 else 4989 result.push_back(L'b'); 4990 if (fmt == 'x' && ct.is(ctype_base::digit, this->__months_[i][0])) 4991 result.back() = L'm'; 4992 wbb = w; 4993 continue; 4994 } 4995 if (this->__am_pm_[0].size() + this->__am_pm_[1].size() > 0) 4996 { 4997 w = wbb; 4998 i = __scan_keyword(w, wbe, this->__am_pm_, this->__am_pm_+2, 4999 ct, err, false) - this->__am_pm_; 5000 if (i < 2) 5001 { 5002 result.push_back(L'%'); 5003 result.push_back(L'p'); 5004 wbb = w; 5005 continue; 5006 } 5007 } 5008 w = wbb; 5009 if (ct.is(ctype_base::digit, *wbb)) 5010 { 5011 switch(__get_up_to_n_digits(wbb, wbe, err, ct, 4)) 5012 { 5013 case 6: 5014 result.push_back(L'%'); 5015 result.push_back(L'w'); 5016 break; 5017 case 7: 5018 result.push_back(L'%'); 5019 result.push_back(L'u'); 5020 break; 5021 case 11: 5022 result.push_back(L'%'); 5023 result.push_back(L'I'); 5024 break; 5025 case 12: 5026 result.push_back(L'%'); 5027 result.push_back(L'm'); 5028 break; 5029 case 23: 5030 result.push_back(L'%'); 5031 result.push_back(L'H'); 5032 break; 5033 case 31: 5034 result.push_back(L'%'); 5035 result.push_back(L'd'); 5036 break; 5037 case 55: 5038 result.push_back(L'%'); 5039 result.push_back(L'M'); 5040 break; 5041 case 59: 5042 result.push_back(L'%'); 5043 result.push_back(L'S'); 5044 break; 5045 case 61: 5046 result.push_back(L'%'); 5047 result.push_back(L'y'); 5048 break; 5049 case 364: 5050 result.push_back(L'%'); 5051 result.push_back(L'j'); 5052 break; 5053 case 2061: 5054 result.push_back(L'%'); 5055 result.push_back(L'Y'); 5056 break; 5057 default: 5058 for (; w != wbb; ++w) 5059 result.push_back(*w); 5060 break; 5061 } 5062 continue; 5063 } 5064 if (ct.narrow(*wbb, 0) == '%') 5065 { 5066 result.push_back(L'%'); 5067 result.push_back(L'%'); 5068 ++wbb; 5069 continue; 5070 } 5071 result.push_back(*wbb); 5072 ++wbb; 5073 } 5074 return result; 5075} 5076 5077template <> 5078void 5079__time_get_storage<char>::init(const ctype<char>& ct) 5080{ 5081 tm t = {0}; 5082 char buf[100]; 5083 // __weeks_ 5084 for (int i = 0; i < 7; ++i) 5085 { 5086 t.tm_wday = i; 5087 strftime_l(buf, countof(buf), "%A", &t, __loc_); 5088 __weeks_[i] = buf; 5089 strftime_l(buf, countof(buf), "%a", &t, __loc_); 5090 __weeks_[i+7] = buf; 5091 } 5092 // __months_ 5093 for (int i = 0; i < 12; ++i) 5094 { 5095 t.tm_mon = i; 5096 strftime_l(buf, countof(buf), "%B", &t, __loc_); 5097 __months_[i] = buf; 5098 strftime_l(buf, countof(buf), "%b", &t, __loc_); 5099 __months_[i+12] = buf; 5100 } 5101 // __am_pm_ 5102 t.tm_hour = 1; 5103 strftime_l(buf, countof(buf), "%p", &t, __loc_); 5104 __am_pm_[0] = buf; 5105 t.tm_hour = 13; 5106 strftime_l(buf, countof(buf), "%p", &t, __loc_); 5107 __am_pm_[1] = buf; 5108 __c_ = __analyze('c', ct); 5109 __r_ = __analyze('r', ct); 5110 __x_ = __analyze('x', ct); 5111 __X_ = __analyze('X', ct); 5112} 5113 5114template <> 5115void 5116__time_get_storage<wchar_t>::init(const ctype<wchar_t>& ct) 5117{ 5118 tm t = {0}; 5119 char buf[100]; 5120 wchar_t wbuf[100]; 5121 wchar_t* wbe; 5122 mbstate_t mb = {0}; 5123 // __weeks_ 5124 for (int i = 0; i < 7; ++i) 5125 { 5126 t.tm_wday = i; 5127 strftime_l(buf, countof(buf), "%A", &t, __loc_); 5128 mb = mbstate_t(); 5129 const char* bb = buf; 5130 size_t j = __libcpp_mbsrtowcs_l(wbuf, &bb, countof(wbuf), &mb, __loc_); 5131 if (j == size_t(-1)) 5132 __throw_runtime_error("locale not supported"); 5133 wbe = wbuf + j; 5134 __weeks_[i].assign(wbuf, wbe); 5135 strftime_l(buf, countof(buf), "%a", &t, __loc_); 5136 mb = mbstate_t(); 5137 bb = buf; 5138 j = __libcpp_mbsrtowcs_l(wbuf, &bb, countof(wbuf), &mb, __loc_); 5139 if (j == size_t(-1)) 5140 __throw_runtime_error("locale not supported"); 5141 wbe = wbuf + j; 5142 __weeks_[i+7].assign(wbuf, wbe); 5143 } 5144 // __months_ 5145 for (int i = 0; i < 12; ++i) 5146 { 5147 t.tm_mon = i; 5148 strftime_l(buf, countof(buf), "%B", &t, __loc_); 5149 mb = mbstate_t(); 5150 const char* bb = buf; 5151 size_t j = __libcpp_mbsrtowcs_l(wbuf, &bb, countof(wbuf), &mb, __loc_); 5152 if (j == size_t(-1)) 5153 __throw_runtime_error("locale not supported"); 5154 wbe = wbuf + j; 5155 __months_[i].assign(wbuf, wbe); 5156 strftime_l(buf, countof(buf), "%b", &t, __loc_); 5157 mb = mbstate_t(); 5158 bb = buf; 5159 j = __libcpp_mbsrtowcs_l(wbuf, &bb, countof(wbuf), &mb, __loc_); 5160 if (j == size_t(-1)) 5161 __throw_runtime_error("locale not supported"); 5162 wbe = wbuf + j; 5163 __months_[i+12].assign(wbuf, wbe); 5164 } 5165 // __am_pm_ 5166 t.tm_hour = 1; 5167 strftime_l(buf, countof(buf), "%p", &t, __loc_); 5168 mb = mbstate_t(); 5169 const char* bb = buf; 5170 size_t j = __libcpp_mbsrtowcs_l(wbuf, &bb, countof(wbuf), &mb, __loc_); 5171 if (j == size_t(-1)) 5172 __throw_runtime_error("locale not supported"); 5173 wbe = wbuf + j; 5174 __am_pm_[0].assign(wbuf, wbe); 5175 t.tm_hour = 13; 5176 strftime_l(buf, countof(buf), "%p", &t, __loc_); 5177 mb = mbstate_t(); 5178 bb = buf; 5179 j = __libcpp_mbsrtowcs_l(wbuf, &bb, countof(wbuf), &mb, __loc_); 5180 if (j == size_t(-1)) 5181 __throw_runtime_error("locale not supported"); 5182 wbe = wbuf + j; 5183 __am_pm_[1].assign(wbuf, wbe); 5184 __c_ = __analyze('c', ct); 5185 __r_ = __analyze('r', ct); 5186 __x_ = __analyze('x', ct); 5187 __X_ = __analyze('X', ct); 5188} 5189 5190template <class CharT> 5191struct _LIBCPP_HIDDEN __time_get_temp 5192 : public ctype_byname<CharT> 5193{ 5194 explicit __time_get_temp(const char* nm) 5195 : ctype_byname<CharT>(nm, 1) {} 5196 explicit __time_get_temp(const string& nm) 5197 : ctype_byname<CharT>(nm, 1) {} 5198}; 5199 5200template <> 5201__time_get_storage<char>::__time_get_storage(const char* __nm) 5202 : __time_get(__nm) 5203{ 5204 const __time_get_temp<char> ct(__nm); 5205 init(ct); 5206} 5207 5208template <> 5209__time_get_storage<char>::__time_get_storage(const string& __nm) 5210 : __time_get(__nm) 5211{ 5212 const __time_get_temp<char> ct(__nm); 5213 init(ct); 5214} 5215 5216template <> 5217__time_get_storage<wchar_t>::__time_get_storage(const char* __nm) 5218 : __time_get(__nm) 5219{ 5220 const __time_get_temp<wchar_t> ct(__nm); 5221 init(ct); 5222} 5223 5224template <> 5225__time_get_storage<wchar_t>::__time_get_storage(const string& __nm) 5226 : __time_get(__nm) 5227{ 5228 const __time_get_temp<wchar_t> ct(__nm); 5229 init(ct); 5230} 5231 5232template <> 5233time_base::dateorder 5234__time_get_storage<char>::__do_date_order() const 5235{ 5236 unsigned i; 5237 for (i = 0; i < __x_.size(); ++i) 5238 if (__x_[i] == '%') 5239 break; 5240 ++i; 5241 switch (__x_[i]) 5242 { 5243 case 'y': 5244 case 'Y': 5245 for (++i; i < __x_.size(); ++i) 5246 if (__x_[i] == '%') 5247 break; 5248 if (i == __x_.size()) 5249 break; 5250 ++i; 5251 switch (__x_[i]) 5252 { 5253 case 'm': 5254 for (++i; i < __x_.size(); ++i) 5255 if (__x_[i] == '%') 5256 break; 5257 if (i == __x_.size()) 5258 break; 5259 ++i; 5260 if (__x_[i] == 'd') 5261 return time_base::ymd; 5262 break; 5263 case 'd': 5264 for (++i; i < __x_.size(); ++i) 5265 if (__x_[i] == '%') 5266 break; 5267 if (i == __x_.size()) 5268 break; 5269 ++i; 5270 if (__x_[i] == 'm') 5271 return time_base::ydm; 5272 break; 5273 } 5274 break; 5275 case 'm': 5276 for (++i; i < __x_.size(); ++i) 5277 if (__x_[i] == '%') 5278 break; 5279 if (i == __x_.size()) 5280 break; 5281 ++i; 5282 if (__x_[i] == 'd') 5283 { 5284 for (++i; i < __x_.size(); ++i) 5285 if (__x_[i] == '%') 5286 break; 5287 if (i == __x_.size()) 5288 break; 5289 ++i; 5290 if (__x_[i] == 'y' || __x_[i] == 'Y') 5291 return time_base::mdy; 5292 break; 5293 } 5294 break; 5295 case 'd': 5296 for (++i; i < __x_.size(); ++i) 5297 if (__x_[i] == '%') 5298 break; 5299 if (i == __x_.size()) 5300 break; 5301 ++i; 5302 if (__x_[i] == 'm') 5303 { 5304 for (++i; i < __x_.size(); ++i) 5305 if (__x_[i] == '%') 5306 break; 5307 if (i == __x_.size()) 5308 break; 5309 ++i; 5310 if (__x_[i] == 'y' || __x_[i] == 'Y') 5311 return time_base::dmy; 5312 break; 5313 } 5314 break; 5315 } 5316 return time_base::no_order; 5317} 5318 5319template <> 5320time_base::dateorder 5321__time_get_storage<wchar_t>::__do_date_order() const 5322{ 5323 unsigned i; 5324 for (i = 0; i < __x_.size(); ++i) 5325 if (__x_[i] == L'%') 5326 break; 5327 ++i; 5328 switch (__x_[i]) 5329 { 5330 case L'y': 5331 case L'Y': 5332 for (++i; i < __x_.size(); ++i) 5333 if (__x_[i] == L'%') 5334 break; 5335 if (i == __x_.size()) 5336 break; 5337 ++i; 5338 switch (__x_[i]) 5339 { 5340 case L'm': 5341 for (++i; i < __x_.size(); ++i) 5342 if (__x_[i] == L'%') 5343 break; 5344 if (i == __x_.size()) 5345 break; 5346 ++i; 5347 if (__x_[i] == L'd') 5348 return time_base::ymd; 5349 break; 5350 case L'd': 5351 for (++i; i < __x_.size(); ++i) 5352 if (__x_[i] == L'%') 5353 break; 5354 if (i == __x_.size()) 5355 break; 5356 ++i; 5357 if (__x_[i] == L'm') 5358 return time_base::ydm; 5359 break; 5360 } 5361 break; 5362 case L'm': 5363 for (++i; i < __x_.size(); ++i) 5364 if (__x_[i] == L'%') 5365 break; 5366 if (i == __x_.size()) 5367 break; 5368 ++i; 5369 if (__x_[i] == L'd') 5370 { 5371 for (++i; i < __x_.size(); ++i) 5372 if (__x_[i] == L'%') 5373 break; 5374 if (i == __x_.size()) 5375 break; 5376 ++i; 5377 if (__x_[i] == L'y' || __x_[i] == L'Y') 5378 return time_base::mdy; 5379 break; 5380 } 5381 break; 5382 case L'd': 5383 for (++i; i < __x_.size(); ++i) 5384 if (__x_[i] == L'%') 5385 break; 5386 if (i == __x_.size()) 5387 break; 5388 ++i; 5389 if (__x_[i] == L'm') 5390 { 5391 for (++i; i < __x_.size(); ++i) 5392 if (__x_[i] == L'%') 5393 break; 5394 if (i == __x_.size()) 5395 break; 5396 ++i; 5397 if (__x_[i] == L'y' || __x_[i] == L'Y') 5398 return time_base::dmy; 5399 break; 5400 } 5401 break; 5402 } 5403 return time_base::no_order; 5404} 5405 5406// time_put 5407 5408__time_put::__time_put(const char* nm) 5409 : __loc_(newlocale(LC_ALL_MASK, nm, 0)) 5410{ 5411 if (__loc_ == 0) 5412 __throw_runtime_error("time_put_byname" 5413 " failed to construct for " + string(nm)); 5414} 5415 5416__time_put::__time_put(const string& nm) 5417 : __loc_(newlocale(LC_ALL_MASK, nm.c_str(), 0)) 5418{ 5419 if (__loc_ == 0) 5420 __throw_runtime_error("time_put_byname" 5421 " failed to construct for " + nm); 5422} 5423 5424__time_put::~__time_put() 5425{ 5426 if (__loc_ != _LIBCPP_GET_C_LOCALE) 5427 freelocale(__loc_); 5428} 5429 5430void 5431__time_put::__do_put(char* __nb, char*& __ne, const tm* __tm, 5432 char __fmt, char __mod) const 5433{ 5434 char fmt[] = {'%', __fmt, __mod, 0}; 5435 if (__mod != 0) 5436 swap(fmt[1], fmt[2]); 5437 size_t n = strftime_l(__nb, countof(__nb, __ne), fmt, __tm, __loc_); 5438 __ne = __nb + n; 5439} 5440 5441void 5442__time_put::__do_put(wchar_t* __wb, wchar_t*& __we, const tm* __tm, 5443 char __fmt, char __mod) const 5444{ 5445 char __nar[100]; 5446 char* __ne = __nar + 100; 5447 __do_put(__nar, __ne, __tm, __fmt, __mod); 5448 mbstate_t mb = {0}; 5449 const char* __nb = __nar; 5450 size_t j = __libcpp_mbsrtowcs_l(__wb, &__nb, countof(__wb, __we), &mb, __loc_); 5451 if (j == size_t(-1)) 5452 __throw_runtime_error("locale not supported"); 5453 __we = __wb + j; 5454} 5455 5456// moneypunct_byname 5457 5458template <class charT> 5459static 5460void 5461__init_pat(money_base::pattern& pat, basic_string<charT>& __curr_symbol_, 5462 bool intl, char cs_precedes, char sep_by_space, char sign_posn, 5463 charT space_char) 5464{ 5465 const char sign = static_cast<char>(money_base::sign); 5466 const char space = static_cast<char>(money_base::space); 5467 const char none = static_cast<char>(money_base::none); 5468 const char symbol = static_cast<char>(money_base::symbol); 5469 const char value = static_cast<char>(money_base::value); 5470 const bool symbol_contains_sep = intl && __curr_symbol_.size() == 4; 5471 5472 // Comments on case branches reflect 'C11 7.11.2.1 The localeconv 5473 // function'. "Space between sign and symbol or value" means that 5474 // if the sign is adjacent to the symbol, there's a space between 5475 // them, and otherwise there's a space between the sign and value. 5476 // 5477 // C11's localeconv specifies that the fourth character of an 5478 // international curr_symbol is used to separate the sign and 5479 // value when sep_by_space says to do so. C++ can't represent 5480 // that, so we just use a space. When sep_by_space says to 5481 // separate the symbol and value-or-sign with a space, we rearrange the 5482 // curr_symbol to put its spacing character on the correct side of 5483 // the symbol. 5484 // 5485 // We also need to avoid adding an extra space between the sign 5486 // and value when the currency symbol is suppressed (by not 5487 // setting showbase). We match glibc's strfmon by interpreting 5488 // sep_by_space==1 as "omit the space when the currency symbol is 5489 // absent". 5490 // 5491 // Users who want to get this right should use ICU instead. 5492 5493 switch (cs_precedes) 5494 { 5495 case 0: // value before curr_symbol 5496 if (symbol_contains_sep) { 5497 // Move the separator to before the symbol, to place it 5498 // between the value and symbol. 5499 rotate(__curr_symbol_.begin(), __curr_symbol_.begin() + 3, 5500 __curr_symbol_.end()); 5501 } 5502 switch (sign_posn) 5503 { 5504 case 0: // Parentheses surround the quantity and currency symbol. 5505 pat.field[0] = sign; 5506 pat.field[1] = value; 5507 pat.field[2] = none; // Any space appears in the symbol. 5508 pat.field[3] = symbol; 5509 switch (sep_by_space) 5510 { 5511 case 0: // No space separates the currency symbol and value. 5512 // This case may have changed between C99 and C11; 5513 // assume the currency symbol matches the intention. 5514 case 2: // Space between sign and currency or value. 5515 // The "sign" is two parentheses, so no space here either. 5516 return; 5517 case 1: // Space between currency-and-sign or currency and value. 5518 if (!symbol_contains_sep) { 5519 // We insert the space into the symbol instead of 5520 // setting pat.field[2]=space so that when 5521 // showbase is not set, the space goes away too. 5522 __curr_symbol_.insert(0, 1, space_char); 5523 } 5524 return; 5525 default: 5526 break; 5527 } 5528 break; 5529 case 1: // The sign string precedes the quantity and currency symbol. 5530 pat.field[0] = sign; 5531 pat.field[3] = symbol; 5532 switch (sep_by_space) 5533 { 5534 case 0: // No space separates the currency symbol and value. 5535 pat.field[1] = value; 5536 pat.field[2] = none; 5537 return; 5538 case 1: // Space between currency-and-sign or currency and value. 5539 pat.field[1] = value; 5540 pat.field[2] = none; 5541 if (!symbol_contains_sep) { 5542 // We insert the space into the symbol instead of 5543 // setting pat.field[2]=space so that when 5544 // showbase is not set, the space goes away too. 5545 __curr_symbol_.insert(0, 1, space_char); 5546 } 5547 return; 5548 case 2: // Space between sign and currency or value. 5549 pat.field[1] = space; 5550 pat.field[2] = value; 5551 if (symbol_contains_sep) { 5552 // Remove the separator from the symbol, since it 5553 // has already appeared after the sign. 5554 __curr_symbol_.erase(__curr_symbol_.begin()); 5555 } 5556 return; 5557 default: 5558 break; 5559 } 5560 break; 5561 case 2: // The sign string succeeds the quantity and currency symbol. 5562 pat.field[0] = value; 5563 pat.field[3] = sign; 5564 switch (sep_by_space) 5565 { 5566 case 0: // No space separates the currency symbol and value. 5567 pat.field[1] = none; 5568 pat.field[2] = symbol; 5569 return; 5570 case 1: // Space between currency-and-sign or currency and value. 5571 if (!symbol_contains_sep) { 5572 // We insert the space into the symbol instead of 5573 // setting pat.field[1]=space so that when 5574 // showbase is not set, the space goes away too. 5575 __curr_symbol_.insert(0, 1, space_char); 5576 } 5577 pat.field[1] = none; 5578 pat.field[2] = symbol; 5579 return; 5580 case 2: // Space between sign and currency or value. 5581 pat.field[1] = symbol; 5582 pat.field[2] = space; 5583 if (symbol_contains_sep) { 5584 // Remove the separator from the symbol, since it 5585 // should not be removed if showbase is absent. 5586 __curr_symbol_.erase(__curr_symbol_.begin()); 5587 } 5588 return; 5589 default: 5590 break; 5591 } 5592 break; 5593 case 3: // The sign string immediately precedes the currency symbol. 5594 pat.field[0] = value; 5595 pat.field[3] = symbol; 5596 switch (sep_by_space) 5597 { 5598 case 0: // No space separates the currency symbol and value. 5599 pat.field[1] = none; 5600 pat.field[2] = sign; 5601 return; 5602 case 1: // Space between currency-and-sign or currency and value. 5603 pat.field[1] = space; 5604 pat.field[2] = sign; 5605 if (symbol_contains_sep) { 5606 // Remove the separator from the symbol, since it 5607 // has already appeared before the sign. 5608 __curr_symbol_.erase(__curr_symbol_.begin()); 5609 } 5610 return; 5611 case 2: // Space between sign and currency or value. 5612 pat.field[1] = sign; 5613 pat.field[2] = none; 5614 if (!symbol_contains_sep) { 5615 // We insert the space into the symbol instead of 5616 // setting pat.field[2]=space so that when 5617 // showbase is not set, the space goes away too. 5618 __curr_symbol_.insert(0, 1, space_char); 5619 } 5620 return; 5621 default: 5622 break; 5623 } 5624 break; 5625 case 4: // The sign string immediately succeeds the currency symbol. 5626 pat.field[0] = value; 5627 pat.field[3] = sign; 5628 switch (sep_by_space) 5629 { 5630 case 0: // No space separates the currency symbol and value. 5631 pat.field[1] = none; 5632 pat.field[2] = symbol; 5633 return; 5634 case 1: // Space between currency-and-sign or currency and value. 5635 pat.field[1] = none; 5636 pat.field[2] = symbol; 5637 if (!symbol_contains_sep) { 5638 // We insert the space into the symbol instead of 5639 // setting pat.field[1]=space so that when 5640 // showbase is not set, the space goes away too. 5641 __curr_symbol_.insert(0, 1, space_char); 5642 } 5643 return; 5644 case 2: // Space between sign and currency or value. 5645 pat.field[1] = symbol; 5646 pat.field[2] = space; 5647 if (symbol_contains_sep) { 5648 // Remove the separator from the symbol, since it 5649 // should not disappear when showbase is absent. 5650 __curr_symbol_.erase(__curr_symbol_.begin()); 5651 } 5652 return; 5653 default: 5654 break; 5655 } 5656 break; 5657 default: 5658 break; 5659 } 5660 break; 5661 case 1: // curr_symbol before value 5662 switch (sign_posn) 5663 { 5664 case 0: // Parentheses surround the quantity and currency symbol. 5665 pat.field[0] = sign; 5666 pat.field[1] = symbol; 5667 pat.field[2] = none; // Any space appears in the symbol. 5668 pat.field[3] = value; 5669 switch (sep_by_space) 5670 { 5671 case 0: // No space separates the currency symbol and value. 5672 // This case may have changed between C99 and C11; 5673 // assume the currency symbol matches the intention. 5674 case 2: // Space between sign and currency or value. 5675 // The "sign" is two parentheses, so no space here either. 5676 return; 5677 case 1: // Space between currency-and-sign or currency and value. 5678 if (!symbol_contains_sep) { 5679 // We insert the space into the symbol instead of 5680 // setting pat.field[2]=space so that when 5681 // showbase is not set, the space goes away too. 5682 __curr_symbol_.insert(0, 1, space_char); 5683 } 5684 return; 5685 default: 5686 break; 5687 } 5688 break; 5689 case 1: // The sign string precedes the quantity and currency symbol. 5690 pat.field[0] = sign; 5691 pat.field[3] = value; 5692 switch (sep_by_space) 5693 { 5694 case 0: // No space separates the currency symbol and value. 5695 pat.field[1] = symbol; 5696 pat.field[2] = none; 5697 return; 5698 case 1: // Space between currency-and-sign or currency and value. 5699 pat.field[1] = symbol; 5700 pat.field[2] = none; 5701 if (!symbol_contains_sep) { 5702 // We insert the space into the symbol instead of 5703 // setting pat.field[2]=space so that when 5704 // showbase is not set, the space goes away too. 5705 __curr_symbol_.push_back(space_char); 5706 } 5707 return; 5708 case 2: // Space between sign and currency or value. 5709 pat.field[1] = space; 5710 pat.field[2] = symbol; 5711 if (symbol_contains_sep) { 5712 // Remove the separator from the symbol, since it 5713 // has already appeared after the sign. 5714 __curr_symbol_.pop_back(); 5715 } 5716 return; 5717 default: 5718 break; 5719 } 5720 break; 5721 case 2: // The sign string succeeds the quantity and currency symbol. 5722 pat.field[0] = symbol; 5723 pat.field[3] = sign; 5724 switch (sep_by_space) 5725 { 5726 case 0: // No space separates the currency symbol and value. 5727 pat.field[1] = none; 5728 pat.field[2] = value; 5729 return; 5730 case 1: // Space between currency-and-sign or currency and value. 5731 pat.field[1] = none; 5732 pat.field[2] = value; 5733 if (!symbol_contains_sep) { 5734 // We insert the space into the symbol instead of 5735 // setting pat.field[1]=space so that when 5736 // showbase is not set, the space goes away too. 5737 __curr_symbol_.push_back(space_char); 5738 } 5739 return; 5740 case 2: // Space between sign and currency or value. 5741 pat.field[1] = value; 5742 pat.field[2] = space; 5743 if (symbol_contains_sep) { 5744 // Remove the separator from the symbol, since it 5745 // will appear before the sign. 5746 __curr_symbol_.pop_back(); 5747 } 5748 return; 5749 default: 5750 break; 5751 } 5752 break; 5753 case 3: // The sign string immediately precedes the currency symbol. 5754 pat.field[0] = sign; 5755 pat.field[3] = value; 5756 switch (sep_by_space) 5757 { 5758 case 0: // No space separates the currency symbol and value. 5759 pat.field[1] = symbol; 5760 pat.field[2] = none; 5761 return; 5762 case 1: // Space between currency-and-sign or currency and value. 5763 pat.field[1] = symbol; 5764 pat.field[2] = none; 5765 if (!symbol_contains_sep) { 5766 // We insert the space into the symbol instead of 5767 // setting pat.field[2]=space so that when 5768 // showbase is not set, the space goes away too. 5769 __curr_symbol_.push_back(space_char); 5770 } 5771 return; 5772 case 2: // Space between sign and currency or value. 5773 pat.field[1] = space; 5774 pat.field[2] = symbol; 5775 if (symbol_contains_sep) { 5776 // Remove the separator from the symbol, since it 5777 // has already appeared after the sign. 5778 __curr_symbol_.pop_back(); 5779 } 5780 return; 5781 default: 5782 break; 5783 } 5784 break; 5785 case 4: // The sign string immediately succeeds the currency symbol. 5786 pat.field[0] = symbol; 5787 pat.field[3] = value; 5788 switch (sep_by_space) 5789 { 5790 case 0: // No space separates the currency symbol and value. 5791 pat.field[1] = sign; 5792 pat.field[2] = none; 5793 return; 5794 case 1: // Space between currency-and-sign or currency and value. 5795 pat.field[1] = sign; 5796 pat.field[2] = space; 5797 if (symbol_contains_sep) { 5798 // Remove the separator from the symbol, since it 5799 // should not disappear when showbase is absent. 5800 __curr_symbol_.pop_back(); 5801 } 5802 return; 5803 case 2: // Space between sign and currency or value. 5804 pat.field[1] = none; 5805 pat.field[2] = sign; 5806 if (!symbol_contains_sep) { 5807 // We insert the space into the symbol instead of 5808 // setting pat.field[1]=space so that when 5809 // showbase is not set, the space goes away too. 5810 __curr_symbol_.push_back(space_char); 5811 } 5812 return; 5813 default: 5814 break; 5815 } 5816 break; 5817 default: 5818 break; 5819 } 5820 break; 5821 default: 5822 break; 5823 } 5824 pat.field[0] = symbol; 5825 pat.field[1] = sign; 5826 pat.field[2] = none; 5827 pat.field[3] = value; 5828} 5829 5830template<> 5831void 5832moneypunct_byname<char, false>::init(const char* nm) 5833{ 5834 typedef moneypunct<char, false> base; 5835 __libcpp_unique_locale loc(nm); 5836 if (!loc) 5837 __throw_runtime_error("moneypunct_byname" 5838 " failed to construct for " + string(nm)); 5839 5840 lconv* lc = __libcpp_localeconv_l(loc.get()); 5841 if (!checked_string_to_char_convert(__decimal_point_, 5842 lc->mon_decimal_point, 5843 loc.get())) 5844 __decimal_point_ = base::do_decimal_point(); 5845 if (!checked_string_to_char_convert(__thousands_sep_, 5846 lc->mon_thousands_sep, 5847 loc.get())) 5848 __thousands_sep_ = base::do_thousands_sep(); 5849 5850 __grouping_ = lc->mon_grouping; 5851 __curr_symbol_ = lc->currency_symbol; 5852 if (lc->frac_digits != CHAR_MAX) 5853 __frac_digits_ = lc->frac_digits; 5854 else 5855 __frac_digits_ = base::do_frac_digits(); 5856 if (lc->p_sign_posn == 0) 5857 __positive_sign_ = "()"; 5858 else 5859 __positive_sign_ = lc->positive_sign; 5860 if (lc->n_sign_posn == 0) 5861 __negative_sign_ = "()"; 5862 else 5863 __negative_sign_ = lc->negative_sign; 5864 // Assume the positive and negative formats will want spaces in 5865 // the same places in curr_symbol since there's no way to 5866 // represent anything else. 5867 string_type __dummy_curr_symbol = __curr_symbol_; 5868 __init_pat(__pos_format_, __dummy_curr_symbol, false, 5869 lc->p_cs_precedes, lc->p_sep_by_space, lc->p_sign_posn, ' '); 5870 __init_pat(__neg_format_, __curr_symbol_, false, 5871 lc->n_cs_precedes, lc->n_sep_by_space, lc->n_sign_posn, ' '); 5872} 5873 5874template<> 5875void 5876moneypunct_byname<char, true>::init(const char* nm) 5877{ 5878 typedef moneypunct<char, true> base; 5879 __libcpp_unique_locale loc(nm); 5880 if (!loc) 5881 __throw_runtime_error("moneypunct_byname" 5882 " failed to construct for " + string(nm)); 5883 5884 lconv* lc = __libcpp_localeconv_l(loc.get()); 5885 if (!checked_string_to_char_convert(__decimal_point_, 5886 lc->mon_decimal_point, 5887 loc.get())) 5888 __decimal_point_ = base::do_decimal_point(); 5889 if (!checked_string_to_char_convert(__thousands_sep_, 5890 lc->mon_thousands_sep, 5891 loc.get())) 5892 __thousands_sep_ = base::do_thousands_sep(); 5893 __grouping_ = lc->mon_grouping; 5894 __curr_symbol_ = lc->int_curr_symbol; 5895 if (lc->int_frac_digits != CHAR_MAX) 5896 __frac_digits_ = lc->int_frac_digits; 5897 else 5898 __frac_digits_ = base::do_frac_digits(); 5899#if defined(_LIBCPP_MSVCRT) || defined(__MINGW32__) 5900 if (lc->p_sign_posn == 0) 5901#else // _LIBCPP_MSVCRT 5902 if (lc->int_p_sign_posn == 0) 5903#endif // !_LIBCPP_MSVCRT 5904 __positive_sign_ = "()"; 5905 else 5906 __positive_sign_ = lc->positive_sign; 5907#if defined(_LIBCPP_MSVCRT) || defined(__MINGW32__) 5908 if(lc->n_sign_posn == 0) 5909#else // _LIBCPP_MSVCRT 5910 if (lc->int_n_sign_posn == 0) 5911#endif // !_LIBCPP_MSVCRT 5912 __negative_sign_ = "()"; 5913 else 5914 __negative_sign_ = lc->negative_sign; 5915 // Assume the positive and negative formats will want spaces in 5916 // the same places in curr_symbol since there's no way to 5917 // represent anything else. 5918 string_type __dummy_curr_symbol = __curr_symbol_; 5919#if defined(_LIBCPP_MSVCRT) || defined(__MINGW32__) 5920 __init_pat(__pos_format_, __dummy_curr_symbol, true, 5921 lc->p_cs_precedes, lc->p_sep_by_space, lc->p_sign_posn, ' '); 5922 __init_pat(__neg_format_, __curr_symbol_, true, 5923 lc->n_cs_precedes, lc->n_sep_by_space, lc->n_sign_posn, ' '); 5924#else // _LIBCPP_MSVCRT 5925 __init_pat(__pos_format_, __dummy_curr_symbol, true, 5926 lc->int_p_cs_precedes, lc->int_p_sep_by_space, 5927 lc->int_p_sign_posn, ' '); 5928 __init_pat(__neg_format_, __curr_symbol_, true, 5929 lc->int_n_cs_precedes, lc->int_n_sep_by_space, 5930 lc->int_n_sign_posn, ' '); 5931#endif // !_LIBCPP_MSVCRT 5932} 5933 5934template<> 5935void 5936moneypunct_byname<wchar_t, false>::init(const char* nm) 5937{ 5938 typedef moneypunct<wchar_t, false> base; 5939 __libcpp_unique_locale loc(nm); 5940 if (!loc) 5941 __throw_runtime_error("moneypunct_byname" 5942 " failed to construct for " + string(nm)); 5943 lconv* lc = __libcpp_localeconv_l(loc.get()); 5944 if (!checked_string_to_wchar_convert(__decimal_point_, 5945 lc->mon_decimal_point, 5946 loc.get())) 5947 __decimal_point_ = base::do_decimal_point(); 5948 if (!checked_string_to_wchar_convert(__thousands_sep_, 5949 lc->mon_thousands_sep, 5950 loc.get())) 5951 __thousands_sep_ = base::do_thousands_sep(); 5952 __grouping_ = lc->mon_grouping; 5953 wchar_t wbuf[100]; 5954 mbstate_t mb = {0}; 5955 const char* bb = lc->currency_symbol; 5956 size_t j = __libcpp_mbsrtowcs_l(wbuf, &bb, countof(wbuf), &mb, loc.get()); 5957 if (j == size_t(-1)) 5958 __throw_runtime_error("locale not supported"); 5959 wchar_t* wbe = wbuf + j; 5960 __curr_symbol_.assign(wbuf, wbe); 5961 if (lc->frac_digits != CHAR_MAX) 5962 __frac_digits_ = lc->frac_digits; 5963 else 5964 __frac_digits_ = base::do_frac_digits(); 5965 if (lc->p_sign_posn == 0) 5966 __positive_sign_ = L"()"; 5967 else 5968 { 5969 mb = mbstate_t(); 5970 bb = lc->positive_sign; 5971 j = __libcpp_mbsrtowcs_l(wbuf, &bb, countof(wbuf), &mb, loc.get()); 5972 if (j == size_t(-1)) 5973 __throw_runtime_error("locale not supported"); 5974 wbe = wbuf + j; 5975 __positive_sign_.assign(wbuf, wbe); 5976 } 5977 if (lc->n_sign_posn == 0) 5978 __negative_sign_ = L"()"; 5979 else 5980 { 5981 mb = mbstate_t(); 5982 bb = lc->negative_sign; 5983 j = __libcpp_mbsrtowcs_l(wbuf, &bb, countof(wbuf), &mb, loc.get()); 5984 if (j == size_t(-1)) 5985 __throw_runtime_error("locale not supported"); 5986 wbe = wbuf + j; 5987 __negative_sign_.assign(wbuf, wbe); 5988 } 5989 // Assume the positive and negative formats will want spaces in 5990 // the same places in curr_symbol since there's no way to 5991 // represent anything else. 5992 string_type __dummy_curr_symbol = __curr_symbol_; 5993 __init_pat(__pos_format_, __dummy_curr_symbol, false, 5994 lc->p_cs_precedes, lc->p_sep_by_space, lc->p_sign_posn, L' '); 5995 __init_pat(__neg_format_, __curr_symbol_, false, 5996 lc->n_cs_precedes, lc->n_sep_by_space, lc->n_sign_posn, L' '); 5997} 5998 5999template<> 6000void 6001moneypunct_byname<wchar_t, true>::init(const char* nm) 6002{ 6003 typedef moneypunct<wchar_t, true> base; 6004 __libcpp_unique_locale loc(nm); 6005 if (!loc) 6006 __throw_runtime_error("moneypunct_byname" 6007 " failed to construct for " + string(nm)); 6008 6009 lconv* lc = __libcpp_localeconv_l(loc.get()); 6010 if (!checked_string_to_wchar_convert(__decimal_point_, 6011 lc->mon_decimal_point, 6012 loc.get())) 6013 __decimal_point_ = base::do_decimal_point(); 6014 if (!checked_string_to_wchar_convert(__thousands_sep_, 6015 lc->mon_thousands_sep, 6016 loc.get())) 6017 __thousands_sep_ = base::do_thousands_sep(); 6018 __grouping_ = lc->mon_grouping; 6019 wchar_t wbuf[100]; 6020 mbstate_t mb = {0}; 6021 const char* bb = lc->int_curr_symbol; 6022 size_t j = __libcpp_mbsrtowcs_l(wbuf, &bb, countof(wbuf), &mb, loc.get()); 6023 if (j == size_t(-1)) 6024 __throw_runtime_error("locale not supported"); 6025 wchar_t* wbe = wbuf + j; 6026 __curr_symbol_.assign(wbuf, wbe); 6027 if (lc->int_frac_digits != CHAR_MAX) 6028 __frac_digits_ = lc->int_frac_digits; 6029 else 6030 __frac_digits_ = base::do_frac_digits(); 6031#if defined(_LIBCPP_MSVCRT) || defined(__MINGW32__) 6032 if (lc->p_sign_posn == 0) 6033#else // _LIBCPP_MSVCRT 6034 if (lc->int_p_sign_posn == 0) 6035#endif // !_LIBCPP_MSVCRT 6036 __positive_sign_ = L"()"; 6037 else 6038 { 6039 mb = mbstate_t(); 6040 bb = lc->positive_sign; 6041 j = __libcpp_mbsrtowcs_l(wbuf, &bb, countof(wbuf), &mb, loc.get()); 6042 if (j == size_t(-1)) 6043 __throw_runtime_error("locale not supported"); 6044 wbe = wbuf + j; 6045 __positive_sign_.assign(wbuf, wbe); 6046 } 6047#if defined(_LIBCPP_MSVCRT) || defined(__MINGW32__) 6048 if (lc->n_sign_posn == 0) 6049#else // _LIBCPP_MSVCRT 6050 if (lc->int_n_sign_posn == 0) 6051#endif // !_LIBCPP_MSVCRT 6052 __negative_sign_ = L"()"; 6053 else 6054 { 6055 mb = mbstate_t(); 6056 bb = lc->negative_sign; 6057 j = __libcpp_mbsrtowcs_l(wbuf, &bb, countof(wbuf), &mb, loc.get()); 6058 if (j == size_t(-1)) 6059 __throw_runtime_error("locale not supported"); 6060 wbe = wbuf + j; 6061 __negative_sign_.assign(wbuf, wbe); 6062 } 6063 // Assume the positive and negative formats will want spaces in 6064 // the same places in curr_symbol since there's no way to 6065 // represent anything else. 6066 string_type __dummy_curr_symbol = __curr_symbol_; 6067#if defined(_LIBCPP_MSVCRT) || defined(__MINGW32__) 6068 __init_pat(__pos_format_, __dummy_curr_symbol, true, 6069 lc->p_cs_precedes, lc->p_sep_by_space, lc->p_sign_posn, L' '); 6070 __init_pat(__neg_format_, __curr_symbol_, true, 6071 lc->n_cs_precedes, lc->n_sep_by_space, lc->n_sign_posn, L' '); 6072#else // _LIBCPP_MSVCRT 6073 __init_pat(__pos_format_, __dummy_curr_symbol, true, 6074 lc->int_p_cs_precedes, lc->int_p_sep_by_space, 6075 lc->int_p_sign_posn, L' '); 6076 __init_pat(__neg_format_, __curr_symbol_, true, 6077 lc->int_n_cs_precedes, lc->int_n_sep_by_space, 6078 lc->int_n_sign_posn, L' '); 6079#endif // !_LIBCPP_MSVCRT 6080} 6081 6082void __do_nothing(void*) {} 6083 6084void __throw_runtime_error(const char* msg) 6085{ 6086#ifndef _LIBCPP_NO_EXCEPTIONS 6087 throw runtime_error(msg); 6088#else 6089 (void)msg; 6090 _VSTD::abort(); 6091#endif 6092} 6093 6094template class _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS collate<char>; 6095template class _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS collate<wchar_t>; 6096 6097template class _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS num_get<char>; 6098template class _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS num_get<wchar_t>; 6099 6100template struct _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS __num_get<char>; 6101template struct _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS __num_get<wchar_t>; 6102 6103template class _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS num_put<char>; 6104template class _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS num_put<wchar_t>; 6105 6106template struct _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS __num_put<char>; 6107template struct _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS __num_put<wchar_t>; 6108 6109template class _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS time_get<char>; 6110template class _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS time_get<wchar_t>; 6111 6112template class _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS time_get_byname<char>; 6113template class _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS time_get_byname<wchar_t>; 6114 6115template class _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS time_put<char>; 6116template class _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS time_put<wchar_t>; 6117 6118template class _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS time_put_byname<char>; 6119template class _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS time_put_byname<wchar_t>; 6120 6121template class _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS moneypunct<char, false>; 6122template class _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS moneypunct<char, true>; 6123template class _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS moneypunct<wchar_t, false>; 6124template class _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS moneypunct<wchar_t, true>; 6125 6126template class _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS moneypunct_byname<char, false>; 6127template class _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS moneypunct_byname<char, true>; 6128template class _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS moneypunct_byname<wchar_t, false>; 6129template class _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS moneypunct_byname<wchar_t, true>; 6130 6131template class _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS money_get<char>; 6132template class _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS money_get<wchar_t>; 6133 6134template class _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS __money_get<char>; 6135template class _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS __money_get<wchar_t>; 6136 6137template class _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS money_put<char>; 6138template class _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS money_put<wchar_t>; 6139 6140template class _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS __money_put<char>; 6141template class _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS __money_put<wchar_t>; 6142 6143template class _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS messages<char>; 6144template class _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS messages<wchar_t>; 6145 6146template class _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS messages_byname<char>; 6147template class _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS messages_byname<wchar_t>; 6148 6149template class _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS codecvt_byname<char, char, mbstate_t>; 6150template class _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS codecvt_byname<wchar_t, char, mbstate_t>; 6151template class _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS codecvt_byname<char16_t, char, mbstate_t>; 6152template class _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS codecvt_byname<char32_t, char, mbstate_t>; 6153 6154_LIBCPP_END_NAMESPACE_STD 6155