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00029 #include <clocale>
00030 #include <cstring>
00031 #include <cassert>
00032 #include <cctype>
00033 #include <cwctype>
00034 #include <locale>
00035 #include <bits/atomicity.h>
00036
00037 namespace __gnu_cxx
00038 {
00039
00040 extern std::locale c_locale;
00041 extern std::locale::_Impl c_locale_impl;
00042 }
00043
00044 namespace std
00045 {
00046 using namespace __gnu_cxx;
00047
00048
00049 const locale::category locale::none;
00050 const locale::category locale::ctype;
00051 const locale::category locale::numeric;
00052 const locale::category locale::collate;
00053 const locale::category locale::time;
00054 const locale::category locale::monetary;
00055 const locale::category locale::messages;
00056 const locale::category locale::all;
00057
00058
00059
00060
00061 locale::_Impl* locale::_S_classic;
00062 locale::_Impl* locale::_S_global;
00063 const size_t locale::_S_categories_size;
00064 _GLIBCPP_ASM_SYMVER(_ZNSt6locale18_S_categories_sizeE, _ZNSt6locale17_S_num_categoriesE, GLIBCPP_3.2)
00065 const size_t locale::_S_extra_categories_size;
00066
00067
00068 _Atomic_word locale::id::_S_highwater;
00069
00070
00071 const locale::id* const
00072 locale::_Impl::_S_id_ctype[] =
00073 {
00074 &std::ctype<char>::id,
00075 &codecvt<char, char, mbstate_t>::id,
00076 #ifdef _GLIBCPP_USE_WCHAR_T
00077 &std::ctype<wchar_t>::id,
00078 &codecvt<wchar_t, char, mbstate_t>::id,
00079 #endif
00080 0
00081 };
00082
00083 const locale::id* const
00084 locale::_Impl::_S_id_numeric[] =
00085 {
00086 &num_get<char>::id,
00087 &num_put<char>::id,
00088 &numpunct<char>::id,
00089 #ifdef _GLIBCPP_USE_WCHAR_T
00090 &num_get<wchar_t>::id,
00091 &num_put<wchar_t>::id,
00092 &numpunct<wchar_t>::id,
00093 #endif
00094 0
00095 };
00096
00097 const locale::id* const
00098 locale::_Impl::_S_id_collate[] =
00099 {
00100 &std::collate<char>::id,
00101 #ifdef _GLIBCPP_USE_WCHAR_T
00102 &std::collate<wchar_t>::id,
00103 #endif
00104 0
00105 };
00106
00107 const locale::id* const
00108 locale::_Impl::_S_id_time[] =
00109 {
00110 &__timepunct<char>::id,
00111 &time_get<char>::id,
00112 &time_put<char>::id,
00113 #ifdef _GLIBCPP_USE_WCHAR_T
00114 &__timepunct<wchar_t>::id,
00115 &time_get<wchar_t>::id,
00116 &time_put<wchar_t>::id,
00117 #endif
00118 0
00119 };
00120
00121 const locale::id* const
00122 locale::_Impl::_S_id_monetary[] =
00123 {
00124 &money_get<char>::id,
00125 &money_put<char>::id,
00126 &moneypunct<char, false>::id,
00127 &moneypunct<char, true >::id,
00128 #ifdef _GLIBCPP_USE_WCHAR_T
00129 &money_get<wchar_t>::id,
00130 &money_put<wchar_t>::id,
00131 &moneypunct<wchar_t, false>::id,
00132 &moneypunct<wchar_t, true >::id,
00133 #endif
00134 0
00135 };
00136
00137 const locale::id* const
00138 locale::_Impl::_S_id_messages[] =
00139 {
00140 &std::messages<char>::id,
00141 #ifdef _GLIBCPP_USE_WCHAR_T
00142 &std::messages<wchar_t>::id,
00143 #endif
00144 0
00145 };
00146
00147 const locale::id* const* const
00148 locale::_Impl::_S_facet_categories[] =
00149 {
00150
00151 locale::_Impl::_S_id_ctype,
00152 locale::_Impl::_S_id_numeric,
00153 locale::_Impl::_S_id_collate,
00154 locale::_Impl::_S_id_time,
00155 locale::_Impl::_S_id_monetary,
00156 locale::_Impl::_S_id_messages,
00157 0
00158 };
00159
00160 locale::locale() throw()
00161 {
00162 _S_initialize();
00163 (_M_impl = _S_global)->_M_add_reference();
00164 }
00165
00166 locale::locale(const locale& __other) throw()
00167 { (_M_impl = __other._M_impl)->_M_add_reference(); }
00168
00169
00170
00171
00172 locale::locale(_Impl* __ip) throw() : _M_impl(__ip)
00173 { }
00174
00175 locale::locale(const char* __s)
00176 {
00177 if (__s)
00178 {
00179 _S_initialize();
00180 if (strcmp(__s, "C") == 0 || strcmp(__s, "POSIX") == 0)
00181 (_M_impl = _S_classic)->_M_add_reference();
00182 else if (strcmp(__s, "") != 0)
00183 _M_impl = new _Impl(__s, 1);
00184 else
00185 {
00186
00187 char* __env = getenv("LC_ALL");
00188
00189 if (__env && strcmp(__env, "") != 0)
00190 {
00191 if (strcmp(__env, "C") == 0 || strcmp(__env, "POSIX") == 0)
00192 (_M_impl = _S_classic)->_M_add_reference();
00193 else
00194 _M_impl = new _Impl(__env, 1);
00195 }
00196 else
00197 {
00198 char* __res;
00199
00200 char* __env = getenv("LANG");
00201 if (!__env || strcmp(__env, "") == 0 || strcmp(__env, "C") == 0
00202 || strcmp(__env, "POSIX") == 0)
00203 __res = strdup("C");
00204 else
00205 __res = strdup(__env);
00206
00207
00208
00209 size_t __i = 0;
00210 if (strcmp(__res, "C") == 0)
00211 for (__i = 0;
00212 __i < _S_categories_size + _S_extra_categories_size;
00213 ++__i)
00214 {
00215 __env = getenv(_S_categories[__i]);
00216 if (__env && strcmp(__env, "") != 0
00217 && strcmp(__env, "C") != 0
00218 && strcmp(__env, "POSIX") != 0)
00219 break;
00220 }
00221 else
00222 for (__i = 0;
00223 __i < _S_categories_size + _S_extra_categories_size;
00224 ++__i)
00225 {
00226 __env = getenv(_S_categories[__i]);
00227 if (__env && strcmp(__env, "") != 0
00228 && strcmp(__env, __res) != 0)
00229 break;
00230 }
00231
00232
00233
00234 if (__i < _S_categories_size + _S_extra_categories_size)
00235 {
00236 string __str;
00237 for (size_t __j = 0; __j < __i; ++__j)
00238 {
00239 __str += _S_categories[__j];
00240 __str += "=";
00241 __str += __res;
00242 __str += ";";
00243 }
00244 __str += _S_categories[__i];
00245 __str += "=";
00246 __str += __env;
00247 __str += ";";
00248 __i++;
00249 for (; __i < _S_categories_size
00250 + _S_extra_categories_size; ++__i)
00251 {
00252 __env = getenv(_S_categories[__i]);
00253 if (!__env || strcmp(__env, "") == 0)
00254 {
00255 __str += _S_categories[__i];
00256 __str += '=';
00257 __str += __res;
00258 __str += ';';
00259 }
00260 else if (strcmp(__env, "C") == 0
00261 || strcmp(__env, "POSIX") == 0)
00262 {
00263 __str += _S_categories[__i];
00264 __str += "=C;";
00265 }
00266 else
00267 {
00268 __str += _S_categories[__i];
00269 __str += "=";
00270 __str += __env;
00271 __str += ";";
00272 }
00273 }
00274 __str.erase(__str.end() - 1);
00275 _M_impl = new _Impl(__str.c_str(), 1);
00276 }
00277
00278
00279 else if (strcmp(__res, "C") == 0)
00280 (_M_impl = _S_classic)->_M_add_reference();
00281 else
00282 _M_impl = new _Impl(__res, 1);
00283 free(__res);
00284 }
00285 }
00286 }
00287 else
00288 __throw_runtime_error("attempt to create locale from NULL name");
00289 }
00290
00291 locale::locale(const locale& __base, const char* __s, category __cat)
00292 {
00293
00294
00295
00296 locale __add(__s);
00297 _M_coalesce(__base, __add, __cat);
00298 }
00299
00300 locale::locale(const locale& __base, const locale& __add, category __cat)
00301 { _M_coalesce(__base, __add, __cat); }
00302
00303 locale::~locale() throw()
00304 { _M_impl->_M_remove_reference(); }
00305
00306 bool
00307 locale::operator==(const locale& __rhs) const throw()
00308 {
00309 string __name = this->name();
00310 return (_M_impl == __rhs._M_impl
00311 || (__name != "*" && __name == __rhs.name()));
00312 }
00313
00314 const locale&
00315 locale::operator=(const locale& __other) throw()
00316 {
00317 __other._M_impl->_M_add_reference();
00318 _M_impl->_M_remove_reference();
00319 _M_impl = __other._M_impl;
00320 return *this;
00321 }
00322
00323 locale
00324 locale::global(const locale& __other)
00325 {
00326
00327 _S_initialize();
00328 _Impl* __old = _S_global;
00329 __other._M_impl->_M_add_reference();
00330 _S_global = __other._M_impl;
00331 if (_S_global->_M_check_same_name()
00332 && (strcmp(_S_global->_M_names[0], "*") != 0))
00333 setlocale(LC_ALL, __other.name().c_str());
00334
00335
00336
00337
00338
00339
00340 return locale(__old);
00341 }
00342
00343 string
00344 locale::name() const
00345 {
00346 string __ret;
00347 if (_M_impl->_M_check_same_name())
00348 __ret = _M_impl->_M_names[0];
00349 else
00350 {
00351 __ret += _S_categories[0];
00352 __ret += "=";
00353 __ret += _M_impl->_M_names[0];
00354 for (size_t __i = 1;
00355 __i < _S_categories_size + _S_extra_categories_size;
00356 ++__i)
00357 {
00358 __ret += ";";
00359 __ret += _S_categories[__i];
00360 __ret += "=";
00361 __ret += _M_impl->_M_names[__i];
00362 }
00363 }
00364 return __ret;
00365 }
00366
00367 const locale&
00368 locale::classic()
00369 {
00370
00371 if (!_S_classic)
00372 {
00373 try
00374 {
00375
00376
00377 _S_classic = new (&c_locale_impl) _Impl(0, 2, true);
00378 _S_global = _S_classic;
00379 new (&c_locale) locale(_S_classic);
00380 }
00381 catch(...)
00382 {
00383
00384
00385 if (_S_classic)
00386 _S_classic->~_Impl();
00387 _S_classic = _S_global = 0;
00388 __throw_exception_again;
00389 }
00390 }
00391 return c_locale;
00392 }
00393
00394 void
00395 locale::_M_coalesce(const locale& __base, const locale& __add,
00396 category __cat)
00397 {
00398 __cat = _S_normalize_category(__cat);
00399 _M_impl = new _Impl(*__base._M_impl, 1);
00400
00401 try
00402 { _M_impl->_M_replace_categories(__add._M_impl, __cat); }
00403 catch (...)
00404 {
00405 _M_impl->_M_remove_reference();
00406 __throw_exception_again;
00407 }
00408 }
00409
00410 locale::category
00411 locale::_S_normalize_category(category __cat)
00412 {
00413 int __ret = 0;
00414 if (__cat == none || (__cat & all) && !(__cat & ~all))
00415 __ret = __cat;
00416 else
00417 {
00418
00419 switch (__cat)
00420 {
00421 case LC_COLLATE:
00422 __ret = collate;
00423 break;
00424 case LC_CTYPE:
00425 __ret = ctype;
00426 break;
00427 case LC_MONETARY:
00428 __ret = monetary;
00429 break;
00430 case LC_NUMERIC:
00431 __ret = numeric;
00432 break;
00433 case LC_TIME:
00434 __ret = time;
00435 break;
00436 #ifdef _GLIBCPP_HAVE_LC_MESSAGES
00437 case LC_MESSAGES:
00438 __ret = messages;
00439 break;
00440 #endif
00441 case LC_ALL:
00442 __ret = all;
00443 break;
00444 default:
00445 __throw_runtime_error("bad locale category");
00446 }
00447 }
00448 return __ret;
00449 }
00450
00451 __c_locale
00452 locale::facet::_S_c_locale;
00453
00454 char locale::facet::_S_c_name[2];
00455
00456 locale::facet::
00457 ~facet() { }
00458
00459 locale::facet::
00460 facet(size_t __refs) throw() : _M_references(__refs ? 1 : 0)
00461 { }
00462
00463 void
00464 locale::facet::
00465 _M_add_reference() throw()
00466 { __atomic_add(&_M_references, 1); }
00467
00468 void
00469 locale::facet::
00470 _M_remove_reference() throw()
00471 {
00472 if (__exchange_and_add(&_M_references, -1) == 1)
00473 {
00474 try
00475 { delete this; }
00476 catch (...)
00477 { }
00478 }
00479 }
00480
00481 locale::id::id()
00482 { }
00483
00484
00485 template<>
00486 const char*
00487 __timepunct<char>::_S_timezones[14] =
00488 {
00489 "GMT", "HST", "AKST", "PST", "MST", "CST", "EST", "AST", "NST", "CET",
00490 "IST", "EET", "CST", "JST"
00491 };
00492
00493 #ifdef _GLIBCPP_USE_WCHAR_T
00494 template<>
00495 const wchar_t*
00496 __timepunct<wchar_t>::_S_timezones[14] =
00497 {
00498 L"GMT", L"HST", L"AKST", L"PST", L"MST", L"CST", L"EST", L"AST",
00499 L"NST", L"CET", L"IST", L"EET", L"CST", L"JST"
00500 };
00501 #endif
00502
00503
00504 const money_base::pattern
00505 money_base::_S_default_pattern = { {symbol, sign, none, value} };
00506
00507 const char __num_base::_S_atoms[] = "0123456789eEabcdfABCDF";
00508
00509 bool
00510 __num_base::_S_format_float(const ios_base& __io, char* __fptr, char __mod,
00511 streamsize __prec)
00512 {
00513 bool __incl_prec = false;
00514 ios_base::fmtflags __flags = __io.flags();
00515 *__fptr++ = '%';
00516
00517 if (__flags & ios_base::showpos)
00518 *__fptr++ = '+';
00519 if (__flags & ios_base::showpoint)
00520 *__fptr++ = '#';
00521
00522 if (__flags & ios_base::fixed || __prec > 0)
00523 {
00524 *__fptr++ = '.';
00525 *__fptr++ = '*';
00526 __incl_prec = true;
00527 }
00528 if (__mod)
00529 *__fptr++ = __mod;
00530 ios_base::fmtflags __fltfield = __flags & ios_base::floatfield;
00531
00532 if (__fltfield == ios_base::fixed)
00533 *__fptr++ = 'f';
00534 else if (__fltfield == ios_base::scientific)
00535 *__fptr++ = (__flags & ios_base::uppercase) ? 'E' : 'e';
00536 else
00537 *__fptr++ = (__flags & ios_base::uppercase) ? 'G' : 'g';
00538 *__fptr = '\0';
00539 return __incl_prec;
00540 }
00541
00542 void
00543 __num_base::_S_format_int(const ios_base& __io, char* __fptr, char __mod,
00544 char __modl)
00545 {
00546 ios_base::fmtflags __flags = __io.flags();
00547 *__fptr++ = '%';
00548
00549 if (__flags & ios_base::showpos)
00550 *__fptr++ = '+';
00551 if (__flags & ios_base::showbase)
00552 *__fptr++ = '#';
00553 *__fptr++ = 'l';
00554
00555
00556 if (__modl)
00557 *__fptr++ = __modl;
00558
00559 ios_base::fmtflags __bsefield = __flags & ios_base::basefield;
00560 if (__bsefield == ios_base::hex)
00561 *__fptr++ = (__flags & ios_base::uppercase) ? 'X' : 'x';
00562 else if (__bsefield == ios_base::oct)
00563 *__fptr++ = 'o';
00564 else
00565 *__fptr++ = __mod;
00566 *__fptr = '\0';
00567 }
00568 }
00569