-// Copyright (C) 1997, 1998, 1999, 2000, 2001 Free Software Foundation, Inc.
+// Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
+// 2006, 2007, 2008, 2009
+// Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library. This library is free
// software; you can redistribute it and/or modify it under the
// terms of the GNU General Public License as published by the
-// Free Software Foundation; either version 2, or (at your option)
+// Free Software Foundation; either version 3, or (at your option)
// any later version.
// This library is distributed in the hope that it will be useful,
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
-// You should have received a copy of the GNU General Public License along
-// with this library; see the file COPYING. If not, write to the Free
-// Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
-// USA.
+// Under Section 7 of GPL version 3, you are granted additional
+// permissions described in the GCC Runtime Library Exception, version
+// 3.1, as published by the Free Software Foundation.
-// As a special exception, you may use this file as part of a free software
-// library without restriction. Specifically, if other files instantiate
-// templates or use macros or inline functions from this file, or you compile
-// this file and link it with other files to produce an executable, this
-// file does not by itself cause the resulting executable to be covered by
-// the GNU General Public License. This exception does not however
-// invalidate any other reasons why the executable file might be covered by
-// the GNU General Public License.
+// You should have received a copy of the GNU General Public License and
+// a copy of the GCC Runtime Library Exception along with this program;
+// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
+// <http://www.gnu.org/licenses/>.
-#include <bits/std_clocale.h>
-#include <bits/std_cstring.h>
-#include <bits/std_cassert.h>
-#include <bits/std_cctype.h>
-#include <bits/std_limits.h>
-#include <exception>
-#include <bits/std_stdexcept.h>
-#include <bits/std_locale.h>
-#include <bits/std_istream.h>
-#include <bits/std_ostream.h>
-#include <bits/std_vector.h>
-#include <bits/std_memory.h> // for auto_ptr
-#ifdef _GLIBCPP_USE_WCHAR_T
-# include <bits/std_cwctype.h> // for towupper, etc.
-#endif
+#include <clocale>
+#include <cstring>
+#include <cstdlib> // For getenv
+#include <cctype>
+#include <cwctype> // For towupper, etc.
+#include <locale>
+#include <ext/concurrence.h>
-namespace std
+namespace
{
+ __gnu_cxx::__mutex&
+ get_locale_cache_mutex()
+ {
+ static __gnu_cxx::__mutex locale_cache_mutex;
+ return locale_cache_mutex;
+ }
+} // anonymous namespace
+
+// XXX GLIBCXX_ABI Deprecated
+#ifdef _GLIBCXX_LONG_DOUBLE_COMPAT
+# define _GLIBCXX_LOC_ID(mangled) extern std::locale::id mangled
+_GLIBCXX_LOC_ID (_ZNSt7num_getIcSt19istreambuf_iteratorIcSt11char_traitsIcEEE2idE);
+_GLIBCXX_LOC_ID (_ZNSt7num_putIcSt19ostreambuf_iteratorIcSt11char_traitsIcEEE2idE);
+_GLIBCXX_LOC_ID (_ZNSt9money_getIcSt19istreambuf_iteratorIcSt11char_traitsIcEEE2idE);
+_GLIBCXX_LOC_ID (_ZNSt9money_putIcSt19ostreambuf_iteratorIcSt11char_traitsIcEEE2idE);
+# ifdef _GLIBCXX_USE_WCHAR_T
+_GLIBCXX_LOC_ID (_ZNSt7num_getIwSt19istreambuf_iteratorIwSt11char_traitsIwEEE2idE);
+_GLIBCXX_LOC_ID (_ZNSt7num_putIwSt19ostreambuf_iteratorIwSt11char_traitsIwEEE2idE);
+_GLIBCXX_LOC_ID (_ZNSt9money_getIwSt19istreambuf_iteratorIwSt11char_traitsIwEEE2idE);
+_GLIBCXX_LOC_ID (_ZNSt9money_putIwSt19ostreambuf_iteratorIwSt11char_traitsIwEEE2idE);
+# endif
+#endif
+
+_GLIBCXX_BEGIN_NAMESPACE(std)
+
// Definitions for static const data members of locale.
const locale::category locale::none;
const locale::category locale::ctype;
const locale::category locale::messages;
const locale::category locale::all;
- locale::_Impl* locale::_S_classic;
+ // These are no longer exported.
+ locale::_Impl* locale::_S_classic;
locale::_Impl* locale::_S_global;
- const size_t locale::_S_num_categories;
- const size_t locale::_S_num_facets;
-
- // Definitions for locale::id of standard facets.
- locale::id ctype<char>::id;
- locale::id codecvt<char, char, mbstate_t>::id;
-
-#ifdef _GLIBCPP_USE_WCHAR_T
- locale::id ctype<wchar_t>::id;
- locale::id codecvt<wchar_t, char, mbstate_t>::id;
-#endif
- // Definitions for static const data members of locale::id
- size_t locale::id::_S_highwater; // init'd to 0 by linker
-
- // Definitions for static const data members of locale::_Impl
- const locale::id* const
- locale::_Impl::_S_id_ctype[] =
- {
- &std::ctype<char>::id,
- &codecvt<char, char, mbstate_t>::id,
-#ifdef _GLIBCPP_USE_WCHAR_T
- &std::ctype<wchar_t>::id,
- &codecvt<wchar_t, char, mbstate_t>::id,
-#endif
- 0
- };
-
- const locale::id* const
- locale::_Impl::_S_id_numeric[] =
- {
- &num_get<char>::id,
- &num_put<char>::id,
- &numpunct<char>::id,
-#ifdef _GLIBCPP_USE_WCHAR_T
- &num_get<wchar_t>::id,
- &num_put<wchar_t>::id,
- &numpunct<wchar_t>::id,
-#endif
- 0
- };
-
- const locale::id* const
- locale::_Impl::_S_id_collate[] =
- {
- &std::collate<char>::id,
-#ifdef _GLIBCPP_USE_WCHAR_T
- &std::collate<wchar_t>::id,
+#ifdef __GTHREADS
+ __gthread_once_t locale::_S_once = __GTHREAD_ONCE_INIT;
#endif
- 0
- };
- const locale::id* const
- locale::_Impl::_S_id_time[] =
- {
- &time_get<char>::id,
- &time_put<char>::id,
-#ifdef _GLIBCPP_USE_WCHAR_T
- &time_get<wchar_t>::id,
- &time_put<wchar_t>::id,
-#endif
- 0
- };
-
- const locale::id* const
- locale::_Impl::_S_id_monetary[] =
- {
- &money_get<char>::id,
- &money_put<char>::id,
- &moneypunct<char, false>::id,
- &moneypunct<char, true >::id,
-#ifdef _GLIBCPP_USE_WCHAR_T
- &money_get<wchar_t>::id,
- &money_put<wchar_t>::id,
- &moneypunct<wchar_t, false>::id,
- &moneypunct<wchar_t, true >::id,
-#endif
- 0
- };
-
- const locale::id* const
- locale::_Impl::_S_id_messages[] =
- {
- &std::messages<char>::id,
-#ifdef _GLIBCPP_USE_WCHAR_T
- &std::messages<wchar_t>::id,
-#endif
- 0
- };
-
- const locale::id* const* const
- locale::_Impl::_S_facet_categories[] =
- {
- // Order must match the decl order in class locale.
- locale::_Impl::_S_id_ctype,
- locale::_Impl::_S_id_numeric,
- locale::_Impl::_S_id_collate,
- locale::_Impl::_S_id_time,
- locale::_Impl::_S_id_monetary,
- locale::_Impl::_S_id_messages,
- 0
- };
-
- // Construct and return valid pattern consisting of some combination of:
- // space none symbol sign value
- money_base::pattern
- money_base::_S_construct_pattern(char __preceeds, char __space, char __posn)
- {
- pattern __ret;
-
- // This insanely complicated routine attempts to construct a valid
- // pattern for use with monyepunct. A couple of invariants:
-
- // if (__preceeds) symbol -> value
- // else value -> symbol
-
- // if (__space) space
- // else none
-
- // none == never first
- // space never first or last
+ locale::locale(const locale& __other) throw()
+ : _M_impl(__other._M_impl)
+ { _M_impl->_M_add_reference(); }
- // Any elegant implementations of this are welcome.
- switch (__posn)
- {
- case 1:
- // 1 The sign precedes the value and symbol.
- if (__space)
- {
- // Pattern starts with sign.
- if (__preceeds)
- {
- __ret.field[1] = symbol;
- __ret.field[2] = space;
- __ret.field[3] = value;
- }
- else
- {
- __ret.field[1] = value;
- __ret.field[2] = space;
- __ret.field[3] = symbol;
- }
- __ret.field[0] = sign;
- }
- else
- {
- // Pattern starts with sign and ends with none.
- if (__preceeds)
- {
- __ret.field[1] = symbol;
- __ret.field[2] = value;
- }
- else
- {
- __ret.field[1] = value;
- __ret.field[2] = symbol;
- }
- __ret.field[0] = sign;
- __ret.field[3] = none;
- }
- break;
- case 2:
- // 2 The sign follows the value and symbol.
- if (__space)
- {
- // Pattern either ends with sign.
- if (__preceeds)
- {
- __ret.field[0] = symbol;
- __ret.field[1] = space;
- __ret.field[2] = value;
- }
- else
- {
- __ret.field[0] = value;
- __ret.field[1] = space;
- __ret.field[2] = symbol;
- }
- __ret.field[3] = sign;
- }
- else
- {
- // Pattern ends with sign then none.
- if (__preceeds)
- {
- __ret.field[0] = symbol;
- __ret.field[1] = value;
- }
- else
- {
- __ret.field[0] = value;
- __ret.field[1] = symbol;
- }
- __ret.field[2] = sign;
- __ret.field[3] = none;
- }
- break;
- case 3:
- // 3 The sign immediately precedes the symbol.
- if (__space)
- {
- // Have space.
- if (__preceeds)
- {
- __ret.field[0] = sign;
- __ret.field[1] = symbol;
- __ret.field[2] = space;
- __ret.field[3] = value;
- }
- else
- {
- __ret.field[0] = value;
- __ret.field[1] = space;
- __ret.field[2] = sign;
- __ret.field[3] = symbol;
- }
- }
- else
- {
- // Have none.
- if (__preceeds)
- {
- __ret.field[0] = sign;
- __ret.field[1] = symbol;
- __ret.field[2] = value;
- }
- else
- {
- __ret.field[0] = value;
- __ret.field[1] = sign;
- __ret.field[2] = symbol;
- }
- __ret.field[3] = none;
- }
- break;
- case 4:
- // 4 The sign immediately follows the symbol.
- if (__space)
- {
- // Have space.
- if (__preceeds)
- {
- __ret.field[0] = symbol;
- __ret.field[1] = sign;
- __ret.field[2] = space;
- __ret.field[3] = value;
- }
- else
- {
- __ret.field[0] = value;
- __ret.field[1] = space;
- __ret.field[2] = symbol;
- __ret.field[3] = sign;
- }
- }
- else
- {
- // Have none.
- if (__preceeds)
- {
- __ret.field[0] = symbol;
- __ret.field[1] = sign;
- __ret.field[2] = value;
- }
- else
- {
- __ret.field[0] = value;
- __ret.field[1] = symbol;
- __ret.field[2] = sign;
- }
- __ret.field[3] = none;
- }
- break;
- default:
- ;
- }
- return __ret;
- }
+ // This is used to initialize global and classic locales, and
+ // assumes that the _Impl objects are constructed correctly.
+ // The lack of a reference increment is intentional.
+ locale::locale(_Impl* __ip) throw() : _M_impl(__ip)
+ { }
locale::~locale() throw()
{ _M_impl->_M_remove_reference(); }
- void
- locale::_M_coalesce(const locale& __base, const locale& __add,
- category __cat)
- {
- __cat = _S_normalize_category(__cat);
- _M_impl = new _Impl(*__base._M_impl, 1);
-
- try
- { _M_impl->_M_replace_categories(__add._M_impl, __cat); }
- catch (...)
- {
- _M_impl->_M_remove_reference();
- __throw_exception_again;
- }
- }
-
- locale::locale() throw()
- {
- _S_initialize();
- (_M_impl = _S_global)->_M_add_reference();
- } // XXX MT
-
- locale::locale(const locale& __other) throw()
- { (_M_impl = __other._M_impl)->_M_add_reference(); }
-
- locale::locale(_Impl* __ip) throw()
- : _M_impl(__ip)
- { __ip->_M_add_reference(); }
-
- locale::locale(const char* __s)
- {
- if (__s)
- {
- if (strcmp(__s, "C") == 0 || strcmp(__s, "POSIX") == 0)
- (_M_impl = _S_classic)->_M_add_reference();
- else
- _M_impl = new _Impl(__s, 1);
- }
- else
- __throw_runtime_error("attempt to create locale from NULL name");
- }
-
- locale::locale(const locale& __base, const char* __s, category __cat)
- {
- // NB: There are complicated, yet more efficient ways to do
- // this. Building up locales on a per-category way is tedious, so
- // let's do it this way until people complain.
- locale __add(__s);
- _M_coalesce(__base, __add, __cat);
- }
-
- locale::locale(const locale& __base, const locale& __add, category __cat)
- { _M_coalesce(__base, __add, __cat); }
-
bool
locale::operator==(const locale& __rhs) const throw()
{
- string __name = this->name();
- return (_M_impl == __rhs._M_impl
- || (__name != "*" && __name == __rhs.name()));
+ // Deal first with the common cases, fast to process: refcopies,
+ // unnamed (i.e., !_M_names[0]), "simple" (!_M_names[1] => all the
+ // categories same name, i.e., _M_names[0]). Otherwise fall back
+ // to the general locale::name().
+ bool __ret;
+ if (_M_impl == __rhs._M_impl)
+ __ret = true;
+ else if (!_M_impl->_M_names[0] || !__rhs._M_impl->_M_names[0]
+ || std::strcmp(_M_impl->_M_names[0],
+ __rhs._M_impl->_M_names[0]) != 0)
+ __ret = false;
+ else if (!_M_impl->_M_names[1] && !__rhs._M_impl->_M_names[1])
+ __ret = true;
+ else
+ __ret = this->name() == __rhs.name();
+ return __ret;
}
const locale&
return *this;
}
- locale
- locale::global(const locale& __other)
- {
- // XXX MT
- _S_initialize();
- locale __old(_S_global);
- __other._M_impl->_M_add_reference();
- _S_global->_M_remove_reference();
- _S_global = __other._M_impl;
- if (_S_global->_M_check_same_name() && _S_global->_M_names[0] != "*")
- setlocale(LC_ALL, __other.name().c_str());
- return __old;
- }
-
string
locale::name() const
{
string __ret;
- // Need some kind of separator character. This one was pretty much
- // arbitrarily chosen as to not conflict with glibc locales: the
- // exact formatting is not set in stone.
- const char __separator = '|';
-
- if (_M_impl->_M_check_same_name())
+ if (!_M_impl->_M_names[0])
+ __ret = '*';
+ else if (_M_impl->_M_check_same_name())
__ret = _M_impl->_M_names[0];
else
{
- for (size_t i = 0; i < _S_num_categories; ++i)
- __ret += __separator + _M_impl->_M_names[i];
- }
- return __ret;
- }
-
- locale const&
- locale::classic()
- {
- static locale* __classic_locale;
- // XXX MT
- if (!_S_classic)
- {
- try
+ __ret.reserve(128);
+ __ret += _S_categories[0];
+ __ret += '=';
+ __ret += _M_impl->_M_names[0];
+ for (size_t __i = 1; __i < _S_categories_size; ++__i)
{
- // 26 Standard facets, 2 references.
- // One reference for _M_classic, one for _M_global
- _S_classic = new _Impl("C", 2);
- _S_global = _S_classic;
-
- // Finesse static init order hassles
- __classic_locale = new locale(_S_classic);
- }
- catch(...)
- {
- delete __classic_locale;
- if (_S_classic)
- {
- _S_classic->_M_remove_reference();
- _S_global->_M_remove_reference();
- }
- _S_classic = _S_global = 0;
- // XXX MT
- __throw_exception_again;
+ __ret += ';';
+ __ret += _S_categories[__i];
+ __ret += '=';
+ __ret += _M_impl->_M_names[__i];
}
}
- return *__classic_locale;
+ return __ret;
}
locale::category
locale::_S_normalize_category(category __cat)
{
int __ret = 0;
- if (__cat == none || (__cat & all) && !(__cat & ~all))
+ if (__cat == none || ((__cat & all) && !(__cat & ~all)))
__ret = __cat;
else
{
case LC_TIME:
__ret = time;
break;
-#ifdef _GLIBCPP_HAVE_LC_MESSAGES
+#ifdef _GLIBCXX_HAVE_LC_MESSAGES
case LC_MESSAGES:
__ret = messages;
break;
__ret = all;
break;
default:
- __throw_runtime_error("bad locale category");
+ __throw_runtime_error(__N("locale::_S_normalize_category "
+ "category not found"));
}
}
return __ret;
}
- locale::facet::
- facet(size_t __refs) throw()
- : _M_references(__refs)
- { }
-
- void
- locale::facet::
- _M_add_reference() throw()
- { ++_M_references; } // XXX MT
-
- void
- locale::facet::
- _M_remove_reference() throw()
- {
- if (_M_references)
- --_M_references;
- else
- {
- try
- { delete this; } // XXX MT
- catch (...)
- { }
- }
- }
-
- // Definitions for static const data members of ctype_base.
- const ctype_base::mask ctype_base::space;
- const ctype_base::mask ctype_base::print;
- const ctype_base::mask ctype_base::cntrl;
- const ctype_base::mask ctype_base::upper;
- const ctype_base::mask ctype_base::lower;
- const ctype_base::mask ctype_base::alpha;
- const ctype_base::mask ctype_base::digit;
- const ctype_base::mask ctype_base::punct;
- const ctype_base::mask ctype_base::xdigit;
- const ctype_base::mask ctype_base::alnum;
- const ctype_base::mask ctype_base::graph;
-
- // Platform-specific initialization code for ctype tables.
- #include <bits/ctype_noninline.h>
-
- const size_t ctype<char>::table_size;
+ // locale::facet
+ __c_locale locale::facet::_S_c_locale;
- ctype<char>::~ctype()
- { if (_M_del) delete[] this->table(); }
-
- // These are dummy placeholders as these virtual functions are never called.
- bool
- ctype<char>::do_is(mask, char_type) const
- { return false; }
-
- const char*
- ctype<char>::do_is(const char_type* __c, const char_type*, mask*) const
- { return __c; }
-
- const char*
- ctype<char>::do_scan_is(mask, const char_type* __c, const char_type*) const
- { return __c; }
+ const char locale::facet::_S_c_name[2] = "C";
- const char*
- ctype<char>::do_scan_not(mask, const char_type* __c, const char_type*) const
- { return __c; }
+#ifdef __GTHREADS
+ __gthread_once_t locale::facet::_S_once = __GTHREAD_ONCE_INIT;
+#endif
- char
- ctype<char>::do_widen(char __c) const
- { return __c; }
-
- const char*
- ctype<char>::do_widen(const char* __low, const char* __high,
- char* __dest) const
- {
- memcpy(__dest, __low, __high - __low);
- return __high;
- }
-
- char
- ctype<char>::do_narrow(char __c, char /*__dfault*/) const
- { return __c; }
-
- const char*
- ctype<char>::do_narrow(const char* __low, const char* __high,
- char /*__dfault*/, char* __dest) const
+ void
+ locale::facet::_S_initialize_once()
{
- memcpy(__dest, __low, __high - __low);
- return __high;
+ // Initialize the underlying locale model.
+ _S_create_c_locale(_S_c_locale, _S_c_name);
}
- ctype_byname<char>::ctype_byname(const char* /*__s*/, size_t __refs)
- : ctype<char>(new mask[table_size], true, __refs)
- { }
-
- // Definitions for static const data members of money_base
- const money_base::pattern
- money_base::_S_default_pattern = {{symbol, sign, none, value}};
-
- template<>
- _Format_cache<char>::_Format_cache()
- : _M_valid(true),
- _M_decimal_point('.'), _M_thousands_sep(','),
- _M_truename("true"), _M_falsename("false"), _M_use_grouping(false)
- { }
-
-#ifdef _GLIBCPP_USE_WCHAR_T
- template<>
- _Format_cache<wchar_t>::_Format_cache()
- : _M_valid(true),
- _M_decimal_point(L'.'), _M_thousands_sep(L','),
- _M_truename(L"true"), _M_falsename(L"false"), _M_use_grouping(false)
- { }
-#endif
-
- template<>
- const ctype<char>&
- use_facet<ctype<char> >(const locale& __loc)
- {
- size_t __i = ctype<char>::id._M_index;
- const locale::_Impl* __tmp = __loc._M_impl;
- return static_cast<const ctype<char>&>(* (*(__tmp->_M_facets))[__i]);
- }
-
-#ifdef _GLIBCPP_USE_WCHAR_T
- template<>
- const ctype<wchar_t>&
- use_facet<ctype<wchar_t> >(const locale& __loc)
- {
- size_t __i = ctype<wchar_t>::id._M_index;
- const locale::_Impl* __tmp = __loc._M_impl;
- return static_cast<const ctype<wchar_t>&>(* (*(__tmp->_M_facets))[__i]);
- }
-#endif
-
- template<>
- void
- num_get<char, istreambuf_iterator<char> >::
- _M_extract(istreambuf_iterator<char> __beg,
- istreambuf_iterator<char> __end, ios_base& __io,
- ios_base::iostate& __err, char* __xtrc, int& __base,
- bool __fp) const
- {
- typedef _Format_cache<char> __cache_type;
-
- // Prepare for possible failure
- __xtrc[0] = '\0';
-
- // Stage 1: determine a conversion specifier.
- ios_base::fmtflags __basefield = __io.flags() & ios_base::basefield;
- if (__basefield == ios_base::dec)
- __base = 10;
- else if (__basefield == ios_base::oct)
- __base = 8;
- else if (__basefield == ios_base::hex)
- __base = 16;
- else
- __base = 0;
- // As far as I can tell, bases other than 10 are not available for
- // floating point types
- if (__fp)
- __base = 10;
-
- // Stage 2: extract characters.
- __cache_type const* __fmt = __cache_type::_S_get(__io);
-
- // Fail quickly if !__valid
- if (__beg == __end)
- {
- __err |= (ios_base::eofbit | ios_base::failbit);
- return;
- }
-
- // Acceptable formats for numbers here are based on 22.2.3.1
- string __grp;
- int __sep_pos = 0;
- int __pos = 0;
- const char* __lits = __fmt->_S_literals;
- char __c = *__beg;
-
- // Check first for sign
- bool __testsign = false;
- if ((__c == __lits[__cache_type::_S_minus])
- || (__c == __lits[__cache_type::_S_plus]))
- {
- __testsign = true;
- __xtrc[__pos++] = __c;
- ++__beg;
- __c = * __beg;
-
- // Whitespace may follow a sign
- while ((__beg != __end) && (isspace(__c)))
- {
- ++__beg;
- __c = *__beg;
- }
-
- // There had better be more to come...
- if (__beg == __end)
- {
- __xtrc[__pos] = '\0';
- __err |= (ios_base::eofbit | ios_base::failbit);
- return;
- }
- }
-
- // Now check if first character is a zero.
- bool __testzero = false;
- if (__c == __lits[__cache_type::_S_digits])
- {
- __testzero = true;
- ++__beg;
- __c = *__beg;
-
- // We have to check for __beg == __end here. If so,
- // a plain '0' (possibly with a sign) can be got rid of now
- if (__beg == __end)
- {
- __xtrc[__pos++] = __lits[__cache_type::_S_digits];
- __xtrc[__pos] = '\0';
- __err |= ios_base::eofbit;
- return;
- }
-
- // Figure out base for integer types only
- // Based on Table 55 of 22.2.2.1.2
- if (!__fp && __base != 10 && __base != 8)
- {
- // Here, __base == 0 or 16
- if ((__c == __lits[__cache_type::_S_x])
- || (__c == __lits[__cache_type::_S_X]))
- {
- ++__beg;
- __c = *__beg;
- __base = 16;
- __testzero = false; // "0x" is not a leading zero
- }
- else if (__base == 0)
- __base = 8;
- }
-
- // Remove any more leading zeros
- while (__beg != __end)
- {
- if (__c == __lits[__cache_type::_S_digits])
- {
- ++__beg;
- __c = *__beg;
- __testzero = true;
- }
- else
- break;
- }
- }
- else if (__base == 0) // 1st character is not zero
- __base = 10;
-
- // We now seek "units", i.e. digits and thousands separators.
- // We may need to know if anything is found here. A leading zero
- // (removed by now) would count.
- bool __testunits = __testzero;
- while (__beg != __end)
- {
- const char* __p = strchr(__lits, __c);
-
- // NB: strchr returns true for __c == 0x0
- if (__p && __c
- &&((__p >= &__lits[__cache_type::_S_digits]
- && __p < &__lits[__cache_type::_S_digits + __base])
- || (__p >= &__lits[__cache_type::_S_udigits]
- && __p < &__lits[__cache_type::_S_udigits + __base])))
- {
- // Try first for acceptable digit; record it if found.
- __xtrc[__pos++] = __c;
- ++__sep_pos;
- __testunits = true;
- ++__beg;
- __c = *__beg;
- }
- else if (__c == __fmt->_M_thousands_sep && __fmt->_M_use_grouping)
- {
- // NB: Thousands separator at the beginning of a string
- // is a no-no, as is two consecutive thousands
- // separators.
- if (__sep_pos)
- {
- __grp += static_cast<char>(__sep_pos);
- __sep_pos = 0;
- ++__beg;
- __c = *__beg;
- }
- else
- {
- __err |= ios_base::failbit;
- break;
- }
- }
- else
- // Not a valid input item.
- break;
- }
-
- // Digit grouping is checked. If _M_groupings() doesn't
- // match, then get very very upset, and set failbit.
- if (__fmt->_M_use_grouping && !__grp.empty())
- {
- // Add the ending grouping
- __grp += static_cast<char>(__sep_pos);
-
- // __grp is parsed L to R
- // 1,222,444 == __grp of "/1/3/3"
- // __fmt->_M_grouping is parsed R to L
- // 1,222,444 == __fmt->_M_grouping of "/3" == "/3/3/3"
- int __i = 0;
- int __j = 0;
- const int __len = __fmt->_M_grouping.size();
- int __n = __grp.size();
- bool __test = true;
-
- // Parsed number groupings have to match the
- // numpunct::grouping string exactly, starting at the
- // right-most point of the parsed sequence of elements ...
- while (__test && __i < __n - 1)
- for (__j = 0; __test && __j < __len && __i < __n - 1; ++__j,++__i)
- __test &= __fmt->_M_grouping[__j] == __grp[__n - __i - 1];
- // ... but the last parsed grouping can be <= numpunct
- // grouping.
- __j == __len ? __j = 0 : __j;
- __test &= __fmt->_M_grouping[__j] >= __grp[__n - __i - 1];
-
- if (!__test)
- {
- __err |= ios_base::failbit;
- __xtrc[__pos] = '\0';
- if (__beg == __end)
- __err |= ios_base::eofbit;
- return;
- }
- }
-
- // If there was nothing but zeros, put one in the output string
- if (__testzero && (__pos == 0 || (__pos == 1 && __testsign)))
- __xtrc[__pos++] = __lits[__cache_type::_S_digits];
-
- // That's it for integer types. Remaining code is for floating point
- if (__fp && __beg != __end)
- {
- // Check first for decimal point. There MUST be one if
- // __testunits is false.
- bool __testdec = false; // Is there a decimal point
- // with digits following it?
- if (__c == __fmt->_M_decimal_point)
- {
- __xtrc[__pos++] = '.';
- ++__beg;
- __c = *__beg;
-
- // Now we get any digits after the decimal point
- // There MUST be some if __testunits is false.
- while (__beg != __end)
- {
- const char* __p = strchr(__lits, __c);
- if ((__p >= &__lits[__cache_type::_S_digits]
- && __p < &__lits[__cache_type::_S_digits + __base])
- || (__p >= &__lits[__cache_type::_S_udigits]
- && __p < &__lits[__cache_type::_S_udigits + __base]))
- {
- __xtrc[__pos++] = __c;
- ++__beg;
- __c = *__beg;
- __testdec = true;
- }
- else
- break;
- }
- }
- if (!__testunits && !__testdec) // Ill formed
- {
- __err |= ios_base::failbit;
- __xtrc[__pos] = '\0';
- if (__beg == __end)
- __err |= ios_base::eofbit;
- return;
- }
-
- // Now we may find an exponent
- if (__beg != __end)
- {
- if ((__c == __lits[__cache_type::_S_ee])
- || (__c == __lits[__cache_type::_S_Ee]))
- {
- __xtrc[__pos++] = __c;
- ++__beg;
- __c = *__beg;
-
- // Now there may be a sign
- if (__beg != __end)
- {
- if ((__c == __lits[__cache_type::_S_minus])
- || (__c == __lits[__cache_type::_S_plus]))
- {
- __xtrc[__pos++] = __c;
- ++__beg;
- __c = *__beg;
- // whitespace may follow a sign
- while ((__beg != __end) && (isspace(__c)))
- {
- ++__beg;
- __c = *__beg;
- }
- }
- }
- // And now there must be some digits
- if (__beg == __end)
- {
- __xtrc[__pos] = '\0';
- __err |= (ios_base::eofbit | ios_base::failbit);
- return;
- }
- while (__beg != __end)
- {
- const char* __p = strchr(__lits, __c);
- if ((__p >= &__lits[__cache_type::_S_digits]
- && __p < &__lits[__cache_type::_S_digits + __base])
- || (__p >= &__lits[__cache_type::_S_udigits]
- && __p < &__lits[__cache_type::_S_udigits + __base]))
- {
- __xtrc[__pos++] = __c;
- ++__beg;
- __c = *__beg;
- }
- else
- break;
- }
- }
- }
- // Finally, that's it for floating point
- }
-
- // Finish up
- __xtrc[__pos] = '\0';
- if (__beg == __end)
- __err |= ios_base::eofbit;
- }
-
- // The following code uses sprintf() to convert floating point
- // values for insertion into a stream. The current implementation
- // replicates the code in _S_pad_numeric() (in _S_output_float()) in
- // order to prevent having to create a "wide" buffer in addition to
- // the "narrow" buffer passed to sprintf(). An optimization would be
- // to replace sprintf() with code that works directly on a wide
- // buffer and then use _S_pad_numeric() to do the padding. It would
- // be good to replace sprintf() anyway to avoid accidental buffer
- // overruns and to gain back the efficiency that C++ provides by
- // knowing up front the type of the values to insert. This
- // implementation follows the C++ standard fairly directly as
- // outlined in 22.2.2.2 [lib.locale.num.put]
- bool
- __build_float_format(ios_base& __io, char* __fptr, char __modifier,
- streamsize __prec)
+ __c_locale
+ locale::facet::_S_get_c_locale()
{
- bool __incl_prec = false;
- ios_base::fmtflags __flags = __io.flags();
- *__fptr++ = '%';
- // [22.2.2.2.2] Table 60
- if (__flags & ios_base::showpos)
- *__fptr++ = '+';
- if (__flags & ios_base::showpoint)
- *__fptr++ = '#';
- // As per [22.2.2.2.2.11]
- if (__flags & ios_base::fixed || __prec > 0)
+#ifdef __GHTREADS
+ if (__gthread_active_p())
+ __gthread_once(&_S_once, _S_initialize_once);
+ else
+#endif
{
- *__fptr++ = '.';
- *__fptr++ = '*';
- __incl_prec = true;
+ if (!_S_c_locale)
+ _S_initialize_once();
}
- if (__modifier)
- *__fptr++ = __modifier;
- ios_base::fmtflags __fltfield = __flags & ios_base::floatfield;
- // [22.2.2.2.2] Table 58
- if (__fltfield == ios_base::fixed)
- *__fptr++ = 'f';
- else if (__fltfield == ios_base::scientific)
- *__fptr++ = (__flags & ios_base::uppercase) ? 'E' : 'e';
- else
- *__fptr++ = (__flags & ios_base::uppercase) ? 'G' : 'g';
- *__fptr = '\0';
- return __incl_prec;
+ return _S_c_locale;
}
- collate<char>::collate(size_t __refs)
- : locale::facet(__refs) { }
-
- collate<char>::~collate() { }
-
- int
- collate<char>::do_compare(const char* __lo1, const char* __hi1,
- const char* __lo2, const char* __hi2) const
- {
- for (; __lo1 < __hi1 && __lo2 < __hi2; ++__lo1, ++__lo2)
- if (*__lo1 != *__lo2)
- return (*__lo1 < *__lo2) ? -1 : 1;
- if (__lo1 < __hi1)
- return 1;
- else if (__lo2 < __hi2)
- return -1;
- else
- return 0;
- }
-
- string
- collate<char>::
- do_transform(const char* __lo, const char* __hi) const
- { return string(__lo, __hi - __lo); }
-
- long
- collate<char>::
- do_hash(const char* __lo, const char* __hi) const
- {
- unsigned long __val = 0xdeadbeef;
- for (; __lo < __hi; ++__lo)
- __val = *__lo ^ ((__val << 7) &
- (__val >> (numeric_limits<unsigned long>::digits - 1)));
- return __val;
- }
-
- collate_byname<char>::collate_byname(const char* /*__s*/, size_t __refs)
- : collate<char>(__refs) { }
+ const char*
+ locale::facet::_S_get_c_name()
+ { return _S_c_name; }
- moneypunct_byname<char, false>::moneypunct_byname(const char* /*__s*/,
- size_t __refs)
- : moneypunct<char, false>(__refs) { }
-
- moneypunct_byname<char, true>::moneypunct_byname(const char* /*__s*/,
- size_t __refs)
- : moneypunct<char, true>(__refs) { }
-
- messages_byname<char>::
- messages_byname(const char* /*__s*/, size_t __refs)
- : messages<char>(__refs) { }
+ locale::facet::
+ ~facet() { }
+
+ // locale::_Impl
+ locale::_Impl::
+ ~_Impl() throw()
+ {
+ if (_M_facets)
+ for (size_t __i = 0; __i < _M_facets_size; ++__i)
+ if (_M_facets[__i])
+ _M_facets[__i]->_M_remove_reference();
+ delete [] _M_facets;
+
+ if (_M_caches)
+ for (size_t __i = 0; __i < _M_facets_size; ++__i)
+ if (_M_caches[__i])
+ _M_caches[__i]->_M_remove_reference();
+ delete [] _M_caches;
+
+ if (_M_names)
+ for (size_t __i = 0; __i < _S_categories_size; ++__i)
+ delete [] _M_names[__i];
+ delete [] _M_names;
+ }
-#ifdef _GLIBCPP_USE_WCHAR_T
- ctype<wchar_t>::__wmask_type
- ctype<wchar_t>::_M_convert_to_wmask(const mask __m) const
+ // Clone existing _Impl object.
+ locale::_Impl::
+ _Impl(const _Impl& __imp, size_t __refs)
+ : _M_refcount(__refs), _M_facets(0), _M_facets_size(__imp._M_facets_size),
+ _M_caches(0), _M_names(0)
{
- __wmask_type __ret;
- switch (__m)
+ __try
{
- case space:
- __ret = wctype("space");
- break;
- case print:
- __ret = wctype("print");
- break;
- case cntrl:
- __ret = wctype("cntrl");
- break;
- case upper:
- __ret = wctype("upper");
- break;
- case lower:
- __ret = wctype("lower");
- break;
- case alpha:
- __ret = wctype("alpha");
- break;
- case digit:
- __ret = wctype("digit");
- break;
- case punct:
- __ret = wctype("punct");
- break;
- case xdigit:
- __ret = wctype("xdigit");
- break;
- case alnum:
- __ret = wctype("alnum");
- break;
- case graph:
- __ret = wctype("graph");
- break;
- default:
- __ret = 0;
- }
- return __ret;
- };
-
- ctype<wchar_t>::~ctype() { }
-
- // NB: These ctype<wchar_t> methods are not configuration-specific,
- // unlike the ctype<char> bits.
- ctype<wchar_t>::ctype(size_t __refs) : __ctype_abstract_base<wchar_t>(__refs)
- { }
-
- wchar_t
- ctype<wchar_t>::do_toupper(wchar_t __c) const
- { return towupper(__c); }
+ _M_facets = new const facet*[_M_facets_size];
+ for (size_t __i = 0; __i < _M_facets_size; ++__i)
+ {
+ _M_facets[__i] = __imp._M_facets[__i];
+ if (_M_facets[__i])
+ _M_facets[__i]->_M_add_reference();
+ }
+ _M_caches = new const facet*[_M_facets_size];
+ for (size_t __j = 0; __j < _M_facets_size; ++__j)
+ {
+ _M_caches[__j] = __imp._M_caches[__j];
+ if (_M_caches[__j])
+ _M_caches[__j]->_M_add_reference();
+ }
+ _M_names = new char*[_S_categories_size];
+ for (size_t __k = 0; __k < _S_categories_size; ++__k)
+ _M_names[__k] = 0;
- const wchar_t*
- ctype<wchar_t>::do_toupper(wchar_t* __low, const wchar_t* __high) const
- {
- while (__low < __high)
- {
- *__low = towupper(*__low);
- ++__low;
+ // Name the categories.
+ for (size_t __l = 0; (__l < _S_categories_size
+ && __imp._M_names[__l]); ++__l)
+ {
+ const size_t __len = std::strlen(__imp._M_names[__l]) + 1;
+ _M_names[__l] = new char[__len];
+ std::memcpy(_M_names[__l], __imp._M_names[__l], __len);
+ }
}
- return __high;
- }
-
- wchar_t
- ctype<wchar_t>::do_tolower(wchar_t __c) const
- { return towlower(__c); }
-
- const wchar_t*
- ctype<wchar_t>::do_tolower(wchar_t* __low, const wchar_t* __high) const
- {
- while (__low < __high)
+ __catch(...)
{
- *__low = towlower(*__low);
- ++__low;
+ this->~_Impl();
+ __throw_exception_again;
}
- return __high;
}
- bool
- ctype<wchar_t>::
- do_is(mask __m, char_type __c) const
- { return static_cast<bool>(iswctype(__c, _M_convert_to_wmask(__m))); }
-
- const wchar_t*
- ctype<wchar_t>::
- do_is(const wchar_t* __low, const wchar_t* __high, mask* __m) const
+ void
+ locale::_Impl::
+ _M_replace_category(const _Impl* __imp,
+ const locale::id* const* __idpp)
{
- while (__low < __high && !this->is(*__m, *__low))
- ++__low;
- return __low;
+ for (; *__idpp; ++__idpp)
+ _M_replace_facet(__imp, *__idpp);
}
- const wchar_t*
- ctype<wchar_t>::
- do_scan_is(mask __m, const wchar_t* __low, const wchar_t* __high) const
- {
- while (__low < __high && !this->is(__m, *__low))
- ++__low;
- return __low;
+ void
+ locale::_Impl::
+ _M_replace_facet(const _Impl* __imp, const locale::id* __idp)
+ {
+ size_t __index = __idp->_M_id();
+ if ((__index > (__imp->_M_facets_size - 1))
+ || !__imp->_M_facets[__index])
+ __throw_runtime_error(__N("locale::_Impl::_M_replace_facet"));
+ _M_install_facet(__idp, __imp->_M_facets[__index]);
}
- const wchar_t*
- ctype<wchar_t>::
- do_scan_not(mask __m, const char_type* __low, const char_type* __high) const
+ void
+ locale::_Impl::
+ _M_install_facet(const locale::id* __idp, const facet* __fp)
{
- while (__low < __high && this->is(__m, *__low) != 0)
- ++__low;
- return __low;
- }
+ if (__fp)
+ {
+ size_t __index = __idp->_M_id();
- wchar_t
- ctype<wchar_t>::
- do_widen(char __c) const
- { return btowc(__c); }
-
- const char*
- ctype<wchar_t>::
- do_widen(const char* __low, const char* __high, wchar_t* __dest) const
- {
- mbstate_t __state;
- memset(static_cast<void*>(&__state), 0, sizeof(mbstate_t));
- mbsrtowcs(__dest, &__low, __high - __low, &__state);
- return __high;
- }
+ // Check size of facet vector to ensure adequate room.
+ if (__index > _M_facets_size - 1)
+ {
+ const size_t __new_size = __index + 4;
+
+ // New facet array.
+ const facet** __oldf = _M_facets;
+ const facet** __newf;
+ __newf = new const facet*[__new_size];
+ for (size_t __i = 0; __i < _M_facets_size; ++__i)
+ __newf[__i] = _M_facets[__i];
+ for (size_t __l = _M_facets_size; __l < __new_size; ++__l)
+ __newf[__l] = 0;
+
+ // New cache array.
+ const facet** __oldc = _M_caches;
+ const facet** __newc;
+ __try
+ {
+ __newc = new const facet*[__new_size];
+ }
+ __catch(...)
+ {
+ delete [] __newf;
+ __throw_exception_again;
+ }
+ for (size_t __j = 0; __j < _M_facets_size; ++__j)
+ __newc[__j] = _M_caches[__j];
+ for (size_t __k = _M_facets_size; __k < __new_size; ++__k)
+ __newc[__k] = 0;
+
+ _M_facets_size = __new_size;
+ _M_facets = __newf;
+ _M_caches = __newc;
+ delete [] __oldf;
+ delete [] __oldc;
+ }
- char
- ctype<wchar_t>::
- do_narrow(wchar_t __wc, char __dfault) const
- {
- int __c = wctob(__wc);
- return (__c == EOF ? __dfault : static_cast<char>(__c));
+ __fp->_M_add_reference();
+ const facet*& __fpr = _M_facets[__index];
+ if (__fpr)
+ {
+ // Replacing an existing facet. Order matters.
+ __fpr->_M_remove_reference();
+ __fpr = __fp;
+ }
+ else
+ {
+ // Installing a newly created facet into an empty
+ // _M_facets container, say a newly-constructed,
+ // swanky-fresh _Impl.
+ _M_facets[__index] = __fp;
+ }
+
+ // Ideally, it would be nice to only remove the caches that
+ // are now incorrect. However, some of the caches depend on
+ // multiple facets, and we only know about one facet
+ // here. It's no great loss: the first use of the new facet
+ // will create a new, correctly cached facet anyway.
+ for (size_t __i = 0; __i < _M_facets_size; ++__i)
+ {
+ const facet* __cpr = _M_caches[__i];
+ if (__cpr)
+ {
+ __cpr->_M_remove_reference();
+ _M_caches[__i] = 0;
+ }
+ }
+ }
}
- const wchar_t*
- ctype<wchar_t>::
- do_narrow(const wchar_t* __low, const wchar_t* __high, char __dfault,
- char* __dest) const
+ void
+ locale::_Impl::
+ _M_install_cache(const facet* __cache, size_t __index)
{
- mbstate_t __state;
- memset(static_cast<void*>(&__state), 0, sizeof(mbstate_t));
- size_t __len = __high - __low;
- size_t __conv = wcsrtombs(__dest, &__low, __len, &__state);
- if (__conv == __len)
- *__dest = __dfault;
- return __high;
+ __gnu_cxx::__scoped_lock sentry(get_locale_cache_mutex());
+ if (_M_caches[__index] != 0)
+ {
+ // Some other thread got in first.
+ delete __cache;
+ }
+ else
+ {
+ __cache->_M_add_reference();
+ _M_caches[__index] = __cache;
+ }
}
- ctype_byname<wchar_t>::
- ctype_byname(const char* /*__s*/, size_t __refs)
- : ctype<wchar_t>(__refs) { }
-
- collate<wchar_t>::
- collate(size_t __refs): locale::facet(__refs) { }
-
- collate<wchar_t>::
- ~collate() { }
+ // locale::id
+ // Definitions for static const data members of locale::id
+ _Atomic_word locale::id::_S_refcount; // init'd to 0 by linker
- int
- collate<wchar_t>::
- do_compare(const wchar_t* /*__lo1*/, const wchar_t* /*__hi1*/,
- const wchar_t* /*__lo2*/, const wchar_t* /*__hi2*/) const
+ size_t
+ locale::id::_M_id() const
{
- return 0; // XXX not done
- }
-
- wstring collate<wchar_t>::
- do_transform(const wchar_t* /*__lo*/, const wchar_t* /*__hi*/) const
- {
- return wstring(); // XXX not done
- }
-
- long collate<wchar_t>::
- do_hash(const wchar_t* /*__lo*/, const wchar_t* /*__hi*/) const
- {
- return 0; // XXX not done
+ if (!_M_index)
+ {
+ // XXX GLIBCXX_ABI Deprecated
+#ifdef _GLIBCXX_LONG_DOUBLE_COMPAT
+ locale::id *f = 0;
+# define _GLIBCXX_SYNC_ID(facet, mangled) \
+ if (this == &::mangled) \
+ f = &facet::id
+ _GLIBCXX_SYNC_ID (num_get<char>, _ZNSt7num_getIcSt19istreambuf_iteratorIcSt11char_traitsIcEEE2idE);
+ _GLIBCXX_SYNC_ID (num_put<char>, _ZNSt7num_putIcSt19ostreambuf_iteratorIcSt11char_traitsIcEEE2idE);
+ _GLIBCXX_SYNC_ID (money_get<char>, _ZNSt9money_getIcSt19istreambuf_iteratorIcSt11char_traitsIcEEE2idE);
+ _GLIBCXX_SYNC_ID (money_put<char>, _ZNSt9money_putIcSt19ostreambuf_iteratorIcSt11char_traitsIcEEE2idE);
+# ifdef _GLIBCXX_USE_WCHAR_T
+ _GLIBCXX_SYNC_ID (num_get<wchar_t>, _ZNSt7num_getIwSt19istreambuf_iteratorIwSt11char_traitsIwEEE2idE);
+ _GLIBCXX_SYNC_ID (num_put<wchar_t>, _ZNSt7num_putIwSt19ostreambuf_iteratorIwSt11char_traitsIwEEE2idE);
+ _GLIBCXX_SYNC_ID (money_get<wchar_t>, _ZNSt9money_getIwSt19istreambuf_iteratorIwSt11char_traitsIwEEE2idE);
+ _GLIBCXX_SYNC_ID (money_put<wchar_t>, _ZNSt9money_putIwSt19ostreambuf_iteratorIwSt11char_traitsIwEEE2idE);
+# endif
+ if (f)
+ _M_index = 1 + f->_M_id();
+ else
+#endif
+ _M_index = 1 + __gnu_cxx::__exchange_and_add_dispatch(&_S_refcount,
+ 1);
+ }
+ return _M_index - 1;
}
- collate_byname<wchar_t>::
- collate_byname(const char* /*__s*/, size_t __refs)
- : collate<wchar_t> (__refs) { }
-
- messages_byname<wchar_t>::
- messages_byname(const char* /*__s*/, size_t __refs)
- : messages<wchar_t> (__refs) { }
-#endif // _GLIBCPP_USE_WCHAR_T
-} // namespace std
-
+_GLIBCXX_END_NAMESPACE
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