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  1. // Copyright (C) 1997-2015 Free Software Foundation, Inc.
  2. //
  3. // This file is part of the GNU ISO C++ Library.  This library is free
  4. // software; you can redistribute it and/or modify it under the
  5. // terms of the GNU General Public License as published by the
  6. // Free Software Foundation; either version 3, or (at your option)
  7. // any later version.
  8.  
  9. // This library is distributed in the hope that it will be useful,
  10. // but WITHOUT ANY WARRANTY; without even the implied warranty of
  11. // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12. // GNU General Public License for more details.
  13.  
  14. // Under Section 7 of GPL version 3, you are granted additional
  15. // permissions described in the GCC Runtime Library Exception, version
  16. // 3.1, as published by the Free Software Foundation.
  17.  
  18. // You should have received a copy of the GNU General Public License and
  19. // a copy of the GCC Runtime Library Exception along with this program;
  20. // see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
  21. // <http://www.gnu.org/licenses/>.
  22.  
  23. #define _GLIBCXX_USE_CXX11_ABI 0
  24. #include <locale>
  25.  
  26. namespace std _GLIBCXX_VISIBILITY(default)
  27. {
  28. _GLIBCXX_BEGIN_NAMESPACE_VERSION
  29.  
  30.   // Definitions for static const data members of time_base.
  31.   template<>
  32.     const char*
  33.     __timepunct_cache<char>::_S_timezones[14] =
  34.     {
  35.       "GMT", "HST", "AKST", "PST", "MST", "CST", "EST", "AST", "NST", "CET",
  36.       "IST", "EET", "CST", "JST"  
  37.     };
  38.  
  39. #ifdef _GLIBCXX_USE_WCHAR_T
  40.   template<>
  41.     const wchar_t*
  42.     __timepunct_cache<wchar_t>::_S_timezones[14] =
  43.     {
  44.       L"GMT", L"HST", L"AKST", L"PST", L"MST", L"CST", L"EST", L"AST",
  45.       L"NST", L"CET", L"IST", L"EET", L"CST", L"JST"  
  46.     };
  47. #endif
  48.  
  49.   // Definitions for static const data members of money_base.
  50.   const money_base::pattern
  51.   money_base::_S_default_pattern =  { {symbol, sign, none, value} };
  52.  
  53.   const char* money_base::_S_atoms = "-0123456789";
  54.  
  55.   const char* __num_base::_S_atoms_in = "-+xX0123456789abcdefABCDEF";
  56.   const char* __num_base::_S_atoms_out ="-+xX0123456789abcdef0123456789ABCDEF";
  57.  
  58.   // _GLIBCXX_RESOLVE_LIB_DEFECTS
  59.   // According to the resolution of DR 231, about 22.2.2.2.2, p11,
  60.   // "str.precision() is specified in the conversion specification".
  61.   void
  62.   __num_base::_S_format_float(const ios_base& __io, char* __fptr,
  63.                               char __mod) throw()
  64.   {
  65.     ios_base::fmtflags __flags = __io.flags();
  66.     *__fptr++ = '%';
  67.     // [22.2.2.2.2] Table 60
  68.     if (__flags & ios_base::showpos)
  69.       *__fptr++ = '+';
  70.     if (__flags & ios_base::showpoint)
  71.       *__fptr++ = '#';
  72.  
  73.     ios_base::fmtflags __fltfield = __flags & ios_base::floatfield;
  74.  
  75. #ifdef _GLIBCXX_USE_C99
  76.     // Precision is always used except for hexfloat format.
  77.     if (__fltfield != (ios_base::fixed | ios_base::scientific))
  78. #endif
  79.       {
  80.         // As per DR 231: not only when __flags & ios_base::fixed || __prec > 0
  81.     *__fptr++ = '.';
  82.     *__fptr++ = '*';
  83.       }
  84.  
  85.     if (__mod)
  86.       *__fptr++ = __mod;
  87.     // [22.2.2.2.2] Table 58
  88.     if (__fltfield == ios_base::fixed)
  89.       *__fptr++ = 'f';
  90.     else if (__fltfield == ios_base::scientific)
  91.       *__fptr++ = (__flags & ios_base::uppercase) ? 'E' : 'e';
  92. #ifdef _GLIBCXX_USE_C99
  93.     else if (__fltfield == (ios_base::fixed | ios_base::scientific))
  94.       *__fptr++ = (__flags & ios_base::uppercase) ? 'A' : 'a';
  95. #endif
  96.     else
  97.       *__fptr++ = (__flags & ios_base::uppercase) ? 'G' : 'g';
  98.     *__fptr = '\0';
  99.   }
  100.  
  101.   // This function is not exported but is needed internally, by the versions
  102.   // of __verify_grouping below and in src/c++11/cxx11-locale-inst.cc
  103.   extern bool
  104.   __verify_grouping_impl(const char* __grouping, size_t __grouping_size,
  105.                          const char* __grouping_tmp, size_t __grouping_tmp_size)
  106.   {
  107.     const size_t __n = __grouping_tmp_size - 1;
  108.     const size_t __min = std::min(__n, size_t(__grouping_size - 1));
  109.     size_t __i = __n;
  110.     bool __test = true;
  111.    
  112.     // Parsed number groupings have to match the
  113.     // numpunct::grouping string exactly, starting at the
  114.     // right-most point of the parsed sequence of elements ...
  115.     for (size_t __j = 0; __j < __min && __test; --__i, ++__j)
  116.       __test = __grouping_tmp[__i] == __grouping[__j];
  117.     for (; __i && __test; --__i)
  118.       __test = __grouping_tmp[__i] == __grouping[__min];
  119.     // ... but the first parsed grouping can be <= numpunct
  120.     // grouping (only do the check if the numpunct char is > 0
  121.     // because <= 0 means any size is ok).
  122.     if (static_cast<signed char>(__grouping[__min]) > 0
  123.         && __grouping[__min] != __gnu_cxx::__numeric_traits<char>::__max)
  124.       __test &= __grouping_tmp[0] <= __grouping[__min];
  125.     return __test;
  126.   }
  127.  
  128.   bool
  129.   __verify_grouping(const char* __grouping, size_t __grouping_size,
  130.                     const string& __grouping_tmp) throw()
  131.   {
  132.     return __verify_grouping_impl(__grouping, __grouping_size,
  133.                                   __grouping_tmp.c_str(),
  134.                                   __grouping_tmp.size());
  135.   }
  136.  
  137. _GLIBCXX_END_NAMESPACE_VERSION
  138. } // namespace
  139.