1 // Copyright (C) 1997, 1998, 1999, 2000, 2001 Free Software Foundation, Inc.
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 2, or (at your option)
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.
14 // You should have received a copy of the GNU General Public License along
15 // with this library; see the file COPYING. If not, write to the Free
16 // Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
19 // As a special exception, you may use this file as part of a free software
20 // library without restriction. Specifically, if other files instantiate
21 // templates or use macros or inline functions from this file, or you compile
22 // this file and link it with other files to produce an executable, this
23 // file does not by itself cause the resulting executable to be covered by
24 // the GNU General Public License. This exception does not however
25 // invalidate any other reasons why the executable file might be covered by
26 // the GNU General Public License.
28 #include <bits/std_clocale.h>
29 #include <bits/std_locale.h>
30 #include <bits/std_cstring.h>
31 #include <bits/std_vector.h>
32 #include <bits/std_stdexcept.h>
38 __vec_facet::iterator it = _M_facets->begin();
39 for (; it != _M_facets->end(); ++it)
41 (*it)->_M_remove_reference();
43 locale::facet::_S_destroy_c_locale(_M_c_locale);
46 // Clone existing _Impl object.
48 _Impl(const _Impl& __imp, size_t __refs)
49 : _M_references(__refs - 1), _M_facets(0), _M_c_locale(0) // XXX
52 { _M_facets = new __vec_facet(*(__imp._M_facets)); }
59 for (size_t i = 0; i < _S_num_categories; ++i)
60 _M_names[i] = __imp._M_names[i];
62 __vec_facet::iterator __it = _M_facets->begin();
63 for (; __it != _M_facets->end(); ++__it)
65 (*__it)->_M_add_reference();
68 // Construct named _Impl, including the standard "C" locale.
70 _Impl(string __str, size_t __refs)
71 : _M_references(__refs - 1), _M_facets(0)
73 // Initialize the underlying locale model, which also checks to
74 // see if the given name is valid.
75 if (__str != "C" && __str != "POSIX")
76 locale::facet::_S_create_c_locale(_M_c_locale, __str.c_str());
80 // Allocate facet container.
82 { _M_facets = new __vec_facet(_S_num_facets, NULL); }
89 // Name all the categories.
90 for (size_t i = 0; i < _S_num_categories; ++i)
93 // Construct all standard facets and add them to _M_facets.
94 // XXX Eventually, all should use __c_locale ctor like numpunct
95 _M_init_facet(new std::collate<char>);
96 _M_init_facet(new std::ctype<char>);
97 _M_init_facet(new codecvt<char, char, mbstate_t>);
98 _M_init_facet(new moneypunct<char, false>(_M_c_locale));
99 _M_init_facet(new moneypunct<char,true >);
100 _M_init_facet(new money_get<char>);
101 _M_init_facet(new money_put<char>);
102 _M_init_facet(new numpunct<char>(_M_c_locale));
103 _M_init_facet(new num_get<char>);
104 _M_init_facet(new num_put<char>);
105 _M_init_facet(new time_get<char>);
106 _M_init_facet(new time_put<char>);
107 _M_init_facet(new std::messages<char>);
109 #ifdef _GLIBCPP_USE_WCHAR_T
110 _M_init_facet(new std::collate<wchar_t>);
111 _M_init_facet(new std::ctype<wchar_t>);
112 _M_init_facet(new codecvt<wchar_t, char, mbstate_t>);
113 _M_init_facet(new moneypunct<wchar_t, false>(_M_c_locale));
114 _M_init_facet(new moneypunct<wchar_t,true >);
115 _M_init_facet(new money_get<wchar_t>);
116 _M_init_facet(new money_put<wchar_t>);
117 _M_init_facet(new numpunct<wchar_t>(_M_c_locale));
118 _M_init_facet(new num_get<wchar_t>);
119 _M_init_facet(new num_put<wchar_t>);
120 _M_init_facet(new time_get<wchar_t>);
121 _M_init_facet(new time_put<wchar_t>);
122 _M_init_facet(new std::messages<wchar_t>);
128 _M_replace_categories(const _Impl* __imp, category __cat)
130 const string __none("*");
132 for (unsigned int __ix = 0; __ix < _S_num_categories; ++__ix)
137 // Need to replace entry in _M_facets with other locale's info.
138 _M_replace_category(__imp, _S_facet_categories[__ix]);
139 // If both have names, go ahead and mangle.
140 if (_M_names[__ix] != __none && __imp->_M_names[__ix] != __none)
141 _M_names[__ix] = __imp->_M_names[__ix];
148 _M_replace_category(const _Impl* __imp, const locale::id* const* __idpp)
150 for (; *__idpp; ++__idpp)
151 _M_replace_facet(__imp, *__idpp);
156 _M_replace_facet(const _Impl* __imp, const locale::id* __idp)
158 size_t __index = __idp->_M_index;
160 || __imp->_M_facets->size() <= __index
161 || (*(__imp->_M_facets))[__index] == 0)
162 throw runtime_error("no locale facet");
164 _M_install_facet(__idp, (*(__imp->_M_facets))[__index]);
169 _M_install_facet(const locale::id* __idp, facet* __fp)
173 size_t& __index = __idp->_M_index;
175 __index = ++locale::id::_S_highwater; // XXX MT
177 if (__index >= _M_facets->size())
178 _M_facets->resize(__index + 1, 0); // might throw
180 facet*& __fpr = (*_M_facets)[__index];
183 // Replacing an existing facet.
184 // Order matters, here:
185 __fp->_M_add_reference();
187 __fpr->_M_remove_reference();
192 // Installing a newly created facet into an empty
193 // _M_facets container, say a newly-constructed,
194 // swanky-fresh _Impl.
195 (*_M_facets)[__index] = __fp;