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00029 #include <clocale>
00030 #include <cstring>
00031 #include <cctype>
00032 #include <cwctype>
00033 #include <locale>
00034 #include <bits/atomicity.h>
00035
00036 namespace __gnu_cxx
00037 {
00038
00039 extern std::locale c_locale;
00040 extern std::locale::_Impl c_locale_impl;
00041 }
00042
00043 namespace std
00044 {
00045 using namespace __gnu_cxx;
00046
00047
00048 const locale::category locale::none;
00049 const locale::category locale::ctype;
00050 const locale::category locale::numeric;
00051 const locale::category locale::collate;
00052 const locale::category locale::time;
00053 const locale::category locale::monetary;
00054 const locale::category locale::messages;
00055 const locale::category locale::all;
00056
00057
00058
00059
00060 locale::_Impl* locale::_S_classic;
00061 locale::_Impl* locale::_S_global;
00062 const size_t locale::_S_categories_size;
00063 _GLIBCPP_ASM_SYMVER(_ZNSt6locale18_S_categories_sizeE, _ZNSt6locale17_S_num_categoriesE, GLIBCPP_3.2)
00064 const size_t locale::_S_extra_categories_size;
00065
00066
00067 _Atomic_word locale::id::_S_highwater;
00068
00069
00070 const locale::id* const
00071 locale::_Impl::_S_id_ctype[] =
00072 {
00073 &std::ctype<char>::id,
00074 &codecvt<char, char, mbstate_t>::id,
00075 #ifdef _GLIBCPP_USE_WCHAR_T
00076 &std::ctype<wchar_t>::id,
00077 &codecvt<wchar_t, char, mbstate_t>::id,
00078 #endif
00079 0
00080 };
00081
00082 const locale::id* const
00083 locale::_Impl::_S_id_numeric[] =
00084 {
00085 &num_get<char>::id,
00086 &num_put<char>::id,
00087 &numpunct<char>::id,
00088 #ifdef _GLIBCPP_USE_WCHAR_T
00089 &num_get<wchar_t>::id,
00090 &num_put<wchar_t>::id,
00091 &numpunct<wchar_t>::id,
00092 #endif
00093 0
00094 };
00095
00096 const locale::id* const
00097 locale::_Impl::_S_id_collate[] =
00098 {
00099 &std::collate<char>::id,
00100 #ifdef _GLIBCPP_USE_WCHAR_T
00101 &std::collate<wchar_t>::id,
00102 #endif
00103 0
00104 };
00105
00106 const locale::id* const
00107 locale::_Impl::_S_id_time[] =
00108 {
00109 &__timepunct<char>::id,
00110 &time_get<char>::id,
00111 &time_put<char>::id,
00112 #ifdef _GLIBCPP_USE_WCHAR_T
00113 &__timepunct<wchar_t>::id,
00114 &time_get<wchar_t>::id,
00115 &time_put<wchar_t>::id,
00116 #endif
00117 0
00118 };
00119
00120 const locale::id* const
00121 locale::_Impl::_S_id_monetary[] =
00122 {
00123 &money_get<char>::id,
00124 &money_put<char>::id,
00125 &moneypunct<char, false>::id,
00126 &moneypunct<char, true >::id,
00127 #ifdef _GLIBCPP_USE_WCHAR_T
00128 &money_get<wchar_t>::id,
00129 &money_put<wchar_t>::id,
00130 &moneypunct<wchar_t, false>::id,
00131 &moneypunct<wchar_t, true >::id,
00132 #endif
00133 0
00134 };
00135
00136 const locale::id* const
00137 locale::_Impl::_S_id_messages[] =
00138 {
00139 &std::messages<char>::id,
00140 #ifdef _GLIBCPP_USE_WCHAR_T
00141 &std::messages<wchar_t>::id,
00142 #endif
00143 0
00144 };
00145
00146 const locale::id* const* const
00147 locale::_Impl::_S_facet_categories[] =
00148 {
00149
00150 locale::_Impl::_S_id_ctype,
00151 locale::_Impl::_S_id_numeric,
00152 locale::_Impl::_S_id_collate,
00153 locale::_Impl::_S_id_time,
00154 locale::_Impl::_S_id_monetary,
00155 locale::_Impl::_S_id_messages,
00156 0
00157 };
00158
00159 locale::locale() throw()
00160 {
00161 _S_initialize();
00162 (_M_impl = _S_global)->_M_add_reference();
00163 }
00164
00165 locale::locale(const locale& __other) throw()
00166 { (_M_impl = __other._M_impl)->_M_add_reference(); }
00167
00168
00169
00170
00171 locale::locale(_Impl* __ip) throw() : _M_impl(__ip)
00172 { }
00173
00174 locale::locale(const char* __s)
00175 {
00176 if (__s)
00177 {
00178 _S_initialize();
00179 if (strcmp(__s, "C") == 0 || strcmp(__s, "POSIX") == 0)
00180 (_M_impl = _S_classic)->_M_add_reference();
00181 else if (strcmp(__s, "") != 0)
00182 _M_impl = new _Impl(__s, 1);
00183 else
00184 {
00185
00186 char* __env = getenv("LC_ALL");
00187
00188 if (__env && strcmp(__env, "") != 0)
00189 {
00190 if (strcmp(__env, "C") == 0 || strcmp(__env, "POSIX") == 0)
00191 (_M_impl = _S_classic)->_M_add_reference();
00192 else
00193 _M_impl = new _Impl(__env, 1);
00194 }
00195 else
00196 {
00197 string __res;
00198
00199 char* __env = getenv("LANG");
00200 if (!__env || strcmp(__env, "") == 0 || strcmp(__env, "C") == 0
00201 || strcmp(__env, "POSIX") == 0)
00202 __res = "C";
00203 else
00204 __res = __env;
00205
00206
00207
00208 size_t __i = 0;
00209 if (__res == "C")
00210 for (; __i < _S_categories_size
00211 + _S_extra_categories_size; ++__i)
00212 {
00213 __env = getenv(_S_categories[__i]);
00214 if (__env && strcmp(__env, "") != 0
00215 && strcmp(__env, "C") != 0
00216 && strcmp(__env, "POSIX") != 0)
00217 break;
00218 }
00219 else
00220 for (; __i < _S_categories_size
00221 + _S_extra_categories_size; ++__i)
00222 {
00223 __env = getenv(_S_categories[__i]);
00224 if (__env && strcmp(__env, "") != 0
00225 && __res != __env)
00226 break;
00227 }
00228
00229
00230
00231 if (__i < _S_categories_size + _S_extra_categories_size)
00232 {
00233 string __str;
00234 for (size_t __j = 0; __j < __i; ++__j)
00235 {
00236 __str += _S_categories[__j];
00237 __str += '=';
00238 __str += __res;
00239 __str += ';';
00240 }
00241 __str += _S_categories[__i];
00242 __str += '=';
00243 __str += __env;
00244 __str += ';';
00245 __i++;
00246 for (; __i < _S_categories_size
00247 + _S_extra_categories_size; ++__i)
00248 {
00249 __env = getenv(_S_categories[__i]);
00250 if (!__env || strcmp(__env, "") == 0)
00251 {
00252 __str += _S_categories[__i];
00253 __str += '=';
00254 __str += __res;
00255 __str += ';';
00256 }
00257 else if (strcmp(__env, "C") == 0
00258 || strcmp(__env, "POSIX") == 0)
00259 {
00260 __str += _S_categories[__i];
00261 __str += "=C;";
00262 }
00263 else
00264 {
00265 __str += _S_categories[__i];
00266 __str += '=';
00267 __str += __env;
00268 __str += ';';
00269 }
00270 }
00271 __str.erase(__str.end() - 1);
00272 _M_impl = new _Impl(__str.c_str(), 1);
00273 }
00274
00275
00276 else if (__res == "C")
00277 (_M_impl = _S_classic)->_M_add_reference();
00278 else
00279 _M_impl = new _Impl(__res.c_str(), 1);
00280 }
00281 }
00282 }
00283 else
00284 __throw_runtime_error("attempt to create locale from NULL name");
00285 }
00286
00287 locale::locale(const locale& __base, const char* __s, category __cat)
00288 {
00289
00290
00291
00292 locale __add(__s);
00293 _M_coalesce(__base, __add, __cat);
00294 }
00295
00296 locale::locale(const locale& __base, const locale& __add, category __cat)
00297 { _M_coalesce(__base, __add, __cat); }
00298
00299 locale::~locale() throw()
00300 { _M_impl->_M_remove_reference(); }
00301
00302 bool
00303 locale::operator==(const locale& __rhs) const throw()
00304 {
00305 string __name = this->name();
00306 return (_M_impl == __rhs._M_impl
00307 || (__name != "*" && __name == __rhs.name()));
00308 }
00309
00310 const locale&
00311 locale::operator=(const locale& __other) throw()
00312 {
00313 __other._M_impl->_M_add_reference();
00314 _M_impl->_M_remove_reference();
00315 _M_impl = __other._M_impl;
00316 return *this;
00317 }
00318
00319 locale
00320 locale::global(const locale& __other)
00321 {
00322
00323 _S_initialize();
00324 _Impl* __old = _S_global;
00325 __other._M_impl->_M_add_reference();
00326 _S_global = __other._M_impl;
00327 if (_S_global->_M_check_same_name()
00328 && (strcmp(_S_global->_M_names[0], "*") != 0))
00329 setlocale(LC_ALL, __other.name().c_str());
00330
00331
00332
00333
00334
00335
00336 return locale(__old);
00337 }
00338
00339 string
00340 locale::name() const
00341 {
00342 string __ret;
00343 if (_M_impl->_M_check_same_name())
00344 __ret = _M_impl->_M_names[0];
00345 else
00346 {
00347 __ret += _S_categories[0];
00348 __ret += '=';
00349 __ret += _M_impl->_M_names[0];
00350 for (size_t __i = 1;
00351 __i < _S_categories_size + _S_extra_categories_size;
00352 ++__i)
00353 {
00354 __ret += ';';
00355 __ret += _S_categories[__i];
00356 __ret += '=';
00357 __ret += _M_impl->_M_names[__i];
00358 }
00359 }
00360 return __ret;
00361 }
00362
00363 const locale&
00364 locale::classic()
00365 {
00366
00367 if (!_S_classic)
00368 {
00369 try
00370 {
00371
00372
00373 _S_classic = new (&c_locale_impl) _Impl(0, 2, true);
00374 _S_global = _S_classic;
00375 new (&c_locale) locale(_S_classic);
00376 }
00377 catch(...)
00378 {
00379
00380
00381 if (_S_classic)
00382 _S_classic->~_Impl();
00383 _S_classic = _S_global = 0;
00384 __throw_exception_again;
00385 }
00386 }
00387 return c_locale;
00388 }
00389
00390 void
00391 locale::_M_coalesce(const locale& __base, const locale& __add,
00392 category __cat)
00393 {
00394 __cat = _S_normalize_category(__cat);
00395 _M_impl = new _Impl(*__base._M_impl, 1);
00396
00397 try
00398 { _M_impl->_M_replace_categories(__add._M_impl, __cat); }
00399 catch (...)
00400 {
00401 _M_impl->_M_remove_reference();
00402 __throw_exception_again;
00403 }
00404 }
00405
00406 locale::category
00407 locale::_S_normalize_category(category __cat)
00408 {
00409 int __ret = 0;
00410 if (__cat == none || (__cat & all) && !(__cat & ~all))
00411 __ret = __cat;
00412 else
00413 {
00414
00415 switch (__cat)
00416 {
00417 case LC_COLLATE:
00418 __ret = collate;
00419 break;
00420 case LC_CTYPE:
00421 __ret = ctype;
00422 break;
00423 case LC_MONETARY:
00424 __ret = monetary;
00425 break;
00426 case LC_NUMERIC:
00427 __ret = numeric;
00428 break;
00429 case LC_TIME:
00430 __ret = time;
00431 break;
00432 #ifdef _GLIBCPP_HAVE_LC_MESSAGES
00433 case LC_MESSAGES:
00434 __ret = messages;
00435 break;
00436 #endif
00437 case LC_ALL:
00438 __ret = all;
00439 break;
00440 default:
00441 __throw_runtime_error("bad locale category");
00442 }
00443 }
00444 return __ret;
00445 }
00446
00447 __c_locale
00448 locale::facet::_S_c_locale;
00449
00450 char locale::facet::_S_c_name[2];
00451
00452 locale::facet::
00453 ~facet() { }
00454
00455 locale::facet::
00456 facet(size_t __refs) throw() : _M_references(__refs ? 1 : 0)
00457 { }
00458
00459 void
00460 locale::facet::
00461 _M_add_reference() throw()
00462 { __atomic_add(&_M_references, 1); }
00463
00464 void
00465 locale::facet::
00466 _M_remove_reference() throw()
00467 {
00468 if (__exchange_and_add(&_M_references, -1) == 1)
00469 {
00470 try
00471 { delete this; }
00472 catch (...)
00473 { }
00474 }
00475 }
00476
00477 locale::id::id()
00478 { }
00479
00480
00481 template<>
00482 const char*
00483 __timepunct<char>::_S_timezones[14] =
00484 {
00485 "GMT", "HST", "AKST", "PST", "MST", "CST", "EST", "AST", "NST", "CET",
00486 "IST", "EET", "CST", "JST"
00487 };
00488
00489 #ifdef _GLIBCPP_USE_WCHAR_T
00490 template<>
00491 const wchar_t*
00492 __timepunct<wchar_t>::_S_timezones[14] =
00493 {
00494 L"GMT", L"HST", L"AKST", L"PST", L"MST", L"CST", L"EST", L"AST",
00495 L"NST", L"CET", L"IST", L"EET", L"CST", L"JST"
00496 };
00497 #endif
00498
00499
00500 const money_base::pattern
00501 money_base::_S_default_pattern = { {symbol, sign, none, value} };
00502
00503 const char* __num_base::_S_atoms_in = "0123456789eEabcdfABCDF";
00504 const char* __num_base::_S_atoms_out ="-+xX0123456789abcdef0123456789ABCDEF";
00505
00506
00507
00508
00509 void
00510 __num_base::_S_format_float(const ios_base& __io, char* __fptr,
00511 char __mod, streamsize)
00512 {
00513 ios_base::fmtflags __flags = __io.flags();
00514 *__fptr++ = '%';
00515
00516 if (__flags & ios_base::showpos)
00517 *__fptr++ = '+';
00518 if (__flags & ios_base::showpoint)
00519 *__fptr++ = '#';
00520
00521
00522
00523 *__fptr++ = '.';
00524 *__fptr++ = '*';
00525
00526 if (__mod)
00527 *__fptr++ = __mod;
00528 ios_base::fmtflags __fltfield = __flags & ios_base::floatfield;
00529
00530 if (__fltfield == ios_base::fixed)
00531 *__fptr++ = 'f';
00532 else if (__fltfield == ios_base::scientific)
00533 *__fptr++ = (__flags & ios_base::uppercase) ? 'E' : 'e';
00534 else
00535 *__fptr++ = (__flags & ios_base::uppercase) ? 'G' : 'g';
00536 *__fptr = '\0';
00537 }
00538
00539 void
00540 __num_base::_S_format_int(const ios_base& __io, char* __fptr, char __mod,
00541 char __modl)
00542 {
00543 ios_base::fmtflags __flags = __io.flags();
00544 *__fptr++ = '%';
00545
00546 if (__flags & ios_base::showpos)
00547 *__fptr++ = '+';
00548 if (__flags & ios_base::showbase)
00549 *__fptr++ = '#';
00550 *__fptr++ = 'l';
00551
00552
00553 if (__modl)
00554 *__fptr++ = __modl;
00555
00556 ios_base::fmtflags __bsefield = __flags & ios_base::basefield;
00557 if (__bsefield == ios_base::hex)
00558 *__fptr++ = (__flags & ios_base::uppercase) ? 'X' : 'x';
00559 else if (__bsefield == ios_base::oct)
00560 *__fptr++ = 'o';
00561 else
00562 *__fptr++ = __mod;
00563 *__fptr = '\0';
00564 }
00565 }
00566