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00029 #include <clocale>
00030 #include <cstring>
00031 #include <cassert>
00032 #include <cctype>
00033 #include <cwctype>
00034 #include <limits>
00035 #include <exception>
00036 #include <locale>
00037 #include <istream>
00038 #include <ostream>
00039 #include <bits/atomicity.h>
00040
00041 namespace std
00042 {
00043
00044 extern locale c_locale;
00045 extern locale::_Impl c_locale_impl;
00046 extern locale::facet** facet_vec;
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 locale::_Impl* locale::_S_classic;
00059 locale::_Impl* locale::_S_global;
00060 const size_t locale::_S_num_categories;
00061
00062
00063 locale::id ctype<char>::id;
00064 locale::id codecvt<char, char, mbstate_t>::id;
00065
00066 #ifdef _GLIBCPP_USE_WCHAR_T
00067 locale::id ctype<wchar_t>::id;
00068 locale::id codecvt<wchar_t, char, mbstate_t>::id;
00069 #endif
00070
00071
00072 _Atomic_word locale::id::_S_highwater;
00073
00074
00075 const locale::id* const
00076 locale::_Impl::_S_id_ctype[] =
00077 {
00078 &std::ctype<char>::id,
00079 &codecvt<char, char, mbstate_t>::id,
00080 #ifdef _GLIBCPP_USE_WCHAR_T
00081 &std::ctype<wchar_t>::id,
00082 &codecvt<wchar_t, char, mbstate_t>::id,
00083 #endif
00084 0
00085 };
00086
00087 const locale::id* const
00088 locale::_Impl::_S_id_numeric[] =
00089 {
00090 &num_get<char>::id,
00091 &num_put<char>::id,
00092 &numpunct<char>::id,
00093 #ifdef _GLIBCPP_USE_WCHAR_T
00094 &num_get<wchar_t>::id,
00095 &num_put<wchar_t>::id,
00096 &numpunct<wchar_t>::id,
00097 #endif
00098 0
00099 };
00100
00101 const locale::id* const
00102 locale::_Impl::_S_id_collate[] =
00103 {
00104 &std::collate<char>::id,
00105 #ifdef _GLIBCPP_USE_WCHAR_T
00106 &std::collate<wchar_t>::id,
00107 #endif
00108 0
00109 };
00110
00111 const locale::id* const
00112 locale::_Impl::_S_id_time[] =
00113 {
00114 &__timepunct<char>::id,
00115 &time_get<char>::id,
00116 &time_put<char>::id,
00117 #ifdef _GLIBCPP_USE_WCHAR_T
00118 &__timepunct<wchar_t>::id,
00119 &time_get<wchar_t>::id,
00120 &time_put<wchar_t>::id,
00121 #endif
00122 0
00123 };
00124
00125 const locale::id* const
00126 locale::_Impl::_S_id_monetary[] =
00127 {
00128 &money_get<char>::id,
00129 &money_put<char>::id,
00130 &moneypunct<char, false>::id,
00131 &moneypunct<char, true >::id,
00132 #ifdef _GLIBCPP_USE_WCHAR_T
00133 &money_get<wchar_t>::id,
00134 &money_put<wchar_t>::id,
00135 &moneypunct<wchar_t, false>::id,
00136 &moneypunct<wchar_t, true >::id,
00137 #endif
00138 0
00139 };
00140
00141 const locale::id* const
00142 locale::_Impl::_S_id_messages[] =
00143 {
00144 &std::messages<char>::id,
00145 #ifdef _GLIBCPP_USE_WCHAR_T
00146 &std::messages<wchar_t>::id,
00147 #endif
00148 0
00149 };
00150
00151 const locale::id* const* const
00152 locale::_Impl::_S_facet_categories[] =
00153 {
00154
00155 locale::_Impl::_S_id_ctype,
00156 locale::_Impl::_S_id_numeric,
00157 locale::_Impl::_S_id_collate,
00158 locale::_Impl::_S_id_monetary,
00159 locale::_Impl::_S_id_time,
00160 locale::_Impl::_S_id_messages,
00161 0
00162 };
00163
00164 locale::~locale() throw()
00165 { _M_impl->_M_remove_reference(); }
00166
00167 void
00168 locale::_M_coalesce(const locale& __base, const locale& __add,
00169 category __cat)
00170 {
00171 __cat = _S_normalize_category(__cat);
00172 _M_impl = new _Impl(*__base._M_impl, 1);
00173
00174 try
00175 { _M_impl->_M_replace_categories(__add._M_impl, __cat); }
00176 catch (...)
00177 {
00178 _M_impl->_M_remove_reference();
00179 __throw_exception_again;
00180 }
00181 }
00182
00183 locale::locale() throw()
00184 {
00185 _S_initialize();
00186 (_M_impl = _S_global)->_M_add_reference();
00187 }
00188
00189 locale::locale(const locale& __other) throw()
00190 { (_M_impl = __other._M_impl)->_M_add_reference(); }
00191
00192
00193
00194 locale::locale(_Impl* __ip) throw() : _M_impl(__ip)
00195 { }
00196
00197 locale::locale(const char* __s)
00198 {
00199 if (__s)
00200 {
00201 _S_initialize();
00202 if (strcmp(__s, "C") == 0 || strcmp(__s, "POSIX") == 0)
00203 (_M_impl = _S_classic)->_M_add_reference();
00204 else if (strcmp(__s, "") == 0)
00205 _M_impl = new _Impl(setlocale(LC_ALL, __s), 1);
00206 else
00207 _M_impl = new _Impl(__s, 1);
00208 }
00209 else
00210 __throw_runtime_error("attempt to create locale from NULL name");
00211 }
00212
00213 locale::locale(const locale& __base, const char* __s, category __cat)
00214 {
00215
00216
00217
00218 locale __add(__s);
00219 _M_coalesce(__base, __add, __cat);
00220 }
00221
00222 locale::locale(const locale& __base, const locale& __add, category __cat)
00223 { _M_coalesce(__base, __add, __cat); }
00224
00225 bool
00226 locale::operator==(const locale& __rhs) const throw()
00227 {
00228 string __name = this->name();
00229 return (_M_impl == __rhs._M_impl
00230 || (__name != "*" && __name == __rhs.name()));
00231 }
00232
00233 const locale&
00234 locale::operator=(const locale& __other) throw()
00235 {
00236 __other._M_impl->_M_add_reference();
00237 _M_impl->_M_remove_reference();
00238 _M_impl = __other._M_impl;
00239 return *this;
00240 }
00241
00242 locale
00243 locale::global(const locale& __other)
00244 {
00245
00246 _S_initialize();
00247 _Impl* __old = _S_global;
00248 __other._M_impl->_M_add_reference();
00249 _S_global = __other._M_impl;
00250 if (_S_global->_M_check_same_name()
00251 && (strcmp(_S_global->_M_names[0], "*") != 0))
00252 setlocale(LC_ALL, __other.name().c_str());
00253
00254
00255
00256
00257
00258
00259 return locale(__old);
00260 }
00261
00262 string
00263 locale::name() const
00264 {
00265
00266
00267
00268 const char __separator = '|';
00269
00270 string __ret;
00271 if (_M_impl->_M_check_same_name())
00272 __ret = _M_impl->_M_names[0];
00273 else
00274 {
00275 for (size_t i = 0; i < _S_num_categories; ++i)
00276 {
00277 __ret += __separator;
00278 __ret += _M_impl->_M_names[i];
00279 }
00280 }
00281 return __ret;
00282 }
00283
00284 const locale&
00285 locale::classic()
00286 {
00287 static _STL_mutex_lock __lock __STL_MUTEX_INITIALIZER;
00288 _STL_auto_lock __auto(__lock);
00289
00290 if (!_S_classic)
00291 {
00292 try
00293 {
00294
00295
00296 facet** f = new(&facet_vec) facet*[_GLIBCPP_NUM_FACETS];
00297 for (size_t __i = 0; __i < _GLIBCPP_NUM_FACETS; ++__i)
00298 f[__i] = 0;
00299
00300 _S_classic = new (&c_locale_impl) _Impl(f, 2, true);
00301 _S_global = _S_classic;
00302 new (&c_locale) locale(_S_classic);
00303 }
00304 catch(...)
00305 {
00306
00307
00308 if (_S_classic)
00309 _S_classic->~_Impl();
00310 _S_classic = _S_global = 0;
00311 __throw_exception_again;
00312 }
00313 }
00314 return c_locale;
00315 }
00316
00317 locale::category
00318 locale::_S_normalize_category(category __cat)
00319 {
00320 int __ret = 0;
00321 if (__cat == none || (__cat & all) && !(__cat & ~all))
00322 __ret = __cat;
00323 else
00324 {
00325
00326 switch (__cat)
00327 {
00328 case LC_COLLATE:
00329 __ret = collate;
00330 break;
00331 case LC_CTYPE:
00332 __ret = ctype;
00333 break;
00334 case LC_MONETARY:
00335 __ret = monetary;
00336 break;
00337 case LC_NUMERIC:
00338 __ret = numeric;
00339 break;
00340 case LC_TIME:
00341 __ret = time;
00342 break;
00343 #ifdef _GLIBCPP_HAVE_LC_MESSAGES
00344 case LC_MESSAGES:
00345 __ret = messages;
00346 break;
00347 #endif
00348 case LC_ALL:
00349 __ret = all;
00350 break;
00351 default:
00352 __throw_runtime_error("bad locale category");
00353 }
00354 }
00355 return __ret;
00356 }
00357
00358 __c_locale
00359 locale::facet::_S_c_locale;
00360
00361 locale::facet::
00362 ~facet() { }
00363
00364 locale::facet::
00365 facet(size_t __refs) throw() : _M_references(__refs)
00366 {
00367 if (!_S_c_locale)
00368 _S_create_c_locale(_S_c_locale, "C");
00369 }
00370
00371 void
00372 locale::facet::
00373 _M_add_reference() throw()
00374 { __atomic_add(&_M_references, 1); }
00375
00376 void
00377 locale::facet::
00378 _M_remove_reference() throw()
00379 {
00380 if (__exchange_and_add(&_M_references, -1) == 0)
00381 {
00382 try
00383 { delete this; }
00384 catch (...)
00385 { }
00386 }
00387 }
00388
00389 locale::id::id()
00390 { }
00391
00392
00393 const ctype_base::mask ctype_base::space;
00394 const ctype_base::mask ctype_base::print;
00395 const ctype_base::mask ctype_base::cntrl;
00396 const ctype_base::mask ctype_base::upper;
00397 const ctype_base::mask ctype_base::lower;
00398 const ctype_base::mask ctype_base::alpha;
00399 const ctype_base::mask ctype_base::digit;
00400 const ctype_base::mask ctype_base::punct;
00401 const ctype_base::mask ctype_base::xdigit;
00402 const ctype_base::mask ctype_base::alnum;
00403 const ctype_base::mask ctype_base::graph;
00404
00405
00406 #include <bits/ctype_noninline.h>
00407
00408 const size_t ctype<char>::table_size;
00409
00410 ctype<char>::~ctype()
00411 {
00412 if (_M_c_locale_ctype != _S_c_locale)
00413 _S_destroy_c_locale(_M_c_locale_ctype);
00414 if (_M_del)
00415 delete[] this->table();
00416 }
00417
00418
00419 bool
00420 ctype<char>::do_is(mask, char_type) const
00421 { return false; }
00422
00423 const char*
00424 ctype<char>::do_is(const char_type* __c, const char_type*, mask*) const
00425 { return __c; }
00426
00427 const char*
00428 ctype<char>::do_scan_is(mask, const char_type* __c, const char_type*) const
00429 { return __c; }
00430
00431 const char*
00432 ctype<char>::do_scan_not(mask, const char_type* __c, const char_type*) const
00433 { return __c; }
00434
00435 char
00436 ctype<char>::do_widen(char __c) const
00437 { return __c; }
00438
00439 const char*
00440 ctype<char>::do_widen(const char* __lo, const char* __hi, char* __dest) const
00441 {
00442 memcpy(__dest, __lo, __hi - __lo);
00443 return __hi;
00444 }
00445
00446 char
00447 ctype<char>::do_narrow(char __c, char ) const
00448 { return __c; }
00449
00450 const char*
00451 ctype<char>::do_narrow(const char* __lo, const char* __hi,
00452 char , char* __dest) const
00453 {
00454 memcpy(__dest, __lo, __hi - __lo);
00455 return __hi;
00456 }
00457
00458 #ifdef _GLIBCPP_USE_WCHAR_T
00459 ctype<wchar_t>::ctype(size_t __refs)
00460 : __ctype_abstract_base<wchar_t>(__refs)
00461 { _M_c_locale_ctype = _S_c_locale; }
00462
00463 ctype<wchar_t>::ctype(__c_locale __cloc, size_t __refs)
00464 : __ctype_abstract_base<wchar_t>(__refs)
00465 { _M_c_locale_ctype = _S_clone_c_locale(__cloc); }
00466
00467 ctype<wchar_t>::~ctype()
00468 {
00469 if (_M_c_locale_ctype != _S_c_locale)
00470 _S_destroy_c_locale(_M_c_locale_ctype);
00471 }
00472
00473 template<>
00474 ctype_byname<wchar_t>::ctype_byname(const char* __s, size_t __refs)
00475 : ctype<wchar_t>(__refs)
00476 {
00477 if (_M_c_locale_ctype != _S_c_locale)
00478 _S_destroy_c_locale(_M_c_locale_ctype);
00479 _S_create_c_locale(_M_c_locale_ctype, __s);
00480 }
00481 #endif
00482
00483
00484 template<>
00485 const char*
00486 __timepunct<char>::_S_timezones[14] =
00487 {
00488 "GMT", "HST", "AKST", "PST", "MST", "CST", "EST", "AST", "NST", "CET",
00489 "IST", "EET", "CST", "JST"
00490 };
00491
00492 #ifdef _GLIBCPP_USE_WCHAR_T
00493 template<>
00494 const wchar_t*
00495 __timepunct<wchar_t>::_S_timezones[14] =
00496 {
00497 L"GMT", L"HST", L"AKST", L"PST", L"MST", L"CST", L"EST", L"AST",
00498 L"NST", L"CET", L"IST", L"EET", L"CST", L"JST"
00499 };
00500 #endif
00501
00502
00503 const money_base::pattern
00504 money_base::_S_default_pattern = { {symbol, sign, none, value} };
00505
00506 template<>
00507 const ctype<char>&
00508 use_facet<ctype<char> >(const locale& __loc)
00509 {
00510 size_t __i = ctype<char>::id._M_id();
00511 const locale::_Impl* __tmp = __loc._M_impl;
00512 return static_cast<const ctype<char>&>(*(__tmp->_M_facets[__i]));
00513 }
00514
00515 #ifdef _GLIBCPP_USE_WCHAR_T
00516 template<>
00517 const ctype<wchar_t>&
00518 use_facet<ctype<wchar_t> >(const locale& __loc)
00519 {
00520 size_t __i = ctype<wchar_t>::id._M_id();
00521 const locale::_Impl* __tmp = __loc._M_impl;
00522 return static_cast<const ctype<wchar_t>&>(*(__tmp->_M_facets[__i]));
00523 }
00524 #endif
00525
00526 const char __num_base::_S_atoms[] = "0123456789eEabcdfABCDF";
00527
00528 bool
00529 __num_base::_S_format_float(const ios_base& __io, char* __fptr, char __mod,
00530 streamsize __prec)
00531 {
00532 bool __incl_prec = false;
00533 ios_base::fmtflags __flags = __io.flags();
00534 *__fptr++ = '%';
00535
00536 if (__flags & ios_base::showpos)
00537 *__fptr++ = '+';
00538 if (__flags & ios_base::showpoint)
00539 *__fptr++ = '#';
00540
00541 if (__flags & ios_base::fixed || __prec > 0)
00542 {
00543 *__fptr++ = '.';
00544 *__fptr++ = '*';
00545 __incl_prec = true;
00546 }
00547 if (__mod)
00548 *__fptr++ = __mod;
00549 ios_base::fmtflags __fltfield = __flags & ios_base::floatfield;
00550
00551 if (__fltfield == ios_base::fixed)
00552 *__fptr++ = 'f';
00553 else if (__fltfield == ios_base::scientific)
00554 *__fptr++ = (__flags & ios_base::uppercase) ? 'E' : 'e';
00555 else
00556 *__fptr++ = (__flags & ios_base::uppercase) ? 'G' : 'g';
00557 *__fptr = '\0';
00558 return __incl_prec;
00559 }
00560
00561 void
00562 __num_base::_S_format_int(const ios_base& __io, char* __fptr, char __mod,
00563 char __modl)
00564 {
00565 ios_base::fmtflags __flags = __io.flags();
00566 *__fptr++ = '%';
00567
00568 if (__flags & ios_base::showpos)
00569 *__fptr++ = '+';
00570 if (__flags & ios_base::showbase)
00571 *__fptr++ = '#';
00572 *__fptr++ = 'l';
00573
00574
00575 if (__modl)
00576 *__fptr++ = __modl;
00577
00578 ios_base::fmtflags __bsefield = __flags & ios_base::basefield;
00579 if (__bsefield == ios_base::hex)
00580 *__fptr++ = (__flags & ios_base::uppercase) ? 'X' : 'x';
00581 else if (__bsefield == ios_base::oct)
00582 *__fptr++ = 'o';
00583 else
00584 *__fptr++ = __mod;
00585 *__fptr = '\0';
00586 }
00587 }
00588