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Whole document tree                   localename.cc Go to the documentation of this file. // Copyright (C) 1997, 1998, 1999, 2000, 2001 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) // any later version. // This library is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // 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. // 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. #include <bits/std_clocale.h> #include <bits/std_locale.h> #include <bits/std_cstring.h> #include <bits/std_vector.h> #include <bits/std_stdexcept.h> namespace std { locale::_Impl:: ~_Impl() throw() { __vec_facet::iterator it = _M_facets->begin(); for (; it != _M_facets->end(); ++it) if (*it) (*it)->_M_remove_reference(); delete _M_facets; locale::facet::_S_destroy_c_locale(_M_c_locale); } // Clone existing _Impl object. locale::_Impl:: _Impl(const _Impl& __imp, size_t __refs) : _M_references(__refs - 1), _M_facets(0), _M_c_locale(0) // XXX { try { _M_facets = new __vec_facet(*(__imp._M_facets)); } catch(...) { delete _M_facets; __throw_exception_again; } for (size_t i = 0; i < _S_num_categories; ++i) _M_names[i] = __imp._M_names[i]; __vec_facet::iterator __it = _M_facets->begin(); for (; __it != _M_facets->end(); ++__it) if (*__it) (*__it)->_M_add_reference(); } // Construct named _Impl, including the standard "C" locale. locale::_Impl:: _Impl(string __str, size_t __refs) : _M_references(__refs - 1), _M_facets(0) { // Initialize the underlying locale model, which also checks to // see if the given name is valid. if (__str != "C" && __str != "POSIX") locale::facet::_S_create_c_locale(_M_c_locale, __str.c_str()); else _M_c_locale = NULL; // Allocate facet container. try { _M_facets = new __vec_facet(_S_num_facets, NULL); } catch(...) { delete _M_facets; __throw_exception_again; } // Name all the categories. for (size_t i = 0; i < _S_num_categories; ++i) _M_names[i] = __str; // Construct all standard facets and add them to _M_facets. // XXX Eventually, all should use __c_locale ctor like numpunct _M_init_facet(new std::collate<char>); _M_init_facet(new std::ctype<char>); _M_init_facet(new codecvt<char, char, mbstate_t>); _M_init_facet(new moneypunct<char, false>(_M_c_locale)); _M_init_facet(new moneypunct<char,true >); _M_init_facet(new money_get<char>); _M_init_facet(new money_put<char>); _M_init_facet(new numpunct<char>(_M_c_locale)); _M_init_facet(new num_get<char>); _M_init_facet(new num_put<char>); _M_init_facet(new time_get<char>); _M_init_facet(new time_put<char>); _M_init_facet(new std::messages<char>); #ifdef _GLIBCPP_USE_WCHAR_T _M_init_facet(new std::collate<wchar_t>); _M_init_facet(new std::ctype<wchar_t>); _M_init_facet(new codecvt<wchar_t, char, mbstate_t>); _M_init_facet(new moneypunct<wchar_t, false>(_M_c_locale)); _M_init_facet(new moneypunct<wchar_t,true >); _M_init_facet(new money_get<wchar_t>); _M_init_facet(new money_put<wchar_t>); _M_init_facet(new numpunct<wchar_t>(_M_c_locale)); _M_init_facet(new num_get<wchar_t>); _M_init_facet(new num_put<wchar_t>); _M_init_facet(new time_get<wchar_t>); _M_init_facet(new time_put<wchar_t>); _M_init_facet(new std::messages<wchar_t>); #endif } void locale::_Impl:: _M_replace_categories(const _Impl* __imp, category __cat) { const string __none("*"); category __mask; for (unsigned int __ix = 0; __ix < _S_num_categories; ++__ix) { __mask = 1 << __ix; if (__mask & __cat) { // Need to replace entry in _M_facets with other locale's info. _M_replace_category(__imp, _S_facet_categories[__ix]); // If both have names, go ahead and mangle. if (_M_names[__ix] != __none && __imp->_M_names[__ix] != __none) _M_names[__ix] = __imp->_M_names[__ix]; } } } void locale::_Impl:: _M_replace_category(const _Impl* __imp, const locale::id* const* __idpp) { for (; *__idpp; ++__idpp) _M_replace_facet(__imp, *__idpp); } void locale::_Impl:: _M_replace_facet(const _Impl* __imp, const locale::id* __idp) { size_t __index = __idp->_M_index; if (__index == 0 || __imp->_M_facets->size() <= __index || (*(__imp->_M_facets))[__index] == 0) __throw_runtime_error("no locale facet"); _M_install_facet(__idp, (*(__imp->_M_facets))[__index]); } void locale::_Impl:: _M_install_facet(const locale::id* __idp, facet* __fp) { if (__fp) { size_t& __index = __idp->_M_index; if (!__index) __index = ++locale::id::_S_highwater; // XXX MT if (__index >= _M_facets->size()) _M_facets->resize(__index + 1, 0); // might throw facet*& __fpr = (*_M_facets)[__index]; if (__fpr) { // Replacing an existing facet. // Order matters, here: __fp->_M_add_reference(); if (__fpr) __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; } } } } // namespace std