1 // Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003
2 // Free Software Foundation, Inc.
4 // This file is part of the GNU ISO C++ Library. This library is free
5 // software; you can redistribute it and/or modify it under the
6 // terms of the GNU General Public License as published by the
7 // Free Software Foundation; either version 2, or (at your option)
10 // This library is distributed in the hope that it will be useful,
11 // but WITHOUT ANY WARRANTY; without even the implied warranty of
12 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 // GNU General Public License for more details.
15 // You should have received a copy of the GNU General Public License along
16 // with this library; see the file COPYING. If not, write to the Free
17 // Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
20 // As a special exception, you may use this file as part of a free software
21 // library without restriction. Specifically, if other files instantiate
22 // templates or use macros or inline functions from this file, or you compile
23 // this file and link it with other files to produce an executable, this
24 // file does not by itself cause the resulting executable to be covered by
25 // the GNU General Public License. This exception does not however
26 // invalidate any other reasons why the executable file might be covered by
27 // the GNU General Public License.
37 // Defined in globals.cc.
38 extern locale::facet* facet_vec[_GLIBCPP_NUM_FACETS];
39 extern locale::facet* facet_cache_vec[2 * _GLIBCPP_NUM_FACETS];
40 extern char* facet_name[6 + _GLIBCPP_NUM_CATEGORIES];
42 extern std::ctype<char> ctype_c;
43 extern std::collate<char> collate_c;
44 extern numpunct<char> numpunct_c;
45 extern num_get<char> num_get_c;
46 extern num_put<char> num_put_c;
47 extern codecvt<char, char, mbstate_t> codecvt_c;
48 extern moneypunct<char, false> moneypunct_fc;
49 extern moneypunct<char, true> moneypunct_tc;
50 extern money_get<char> money_get_c;
51 extern money_put<char> money_put_c;
52 extern __timepunct<char> timepunct_c;
53 extern time_get<char> time_get_c;
54 extern time_put<char> time_put_c;
55 extern std::messages<char> messages_c;
56 #ifdef _GLIBCPP_USE_WCHAR_T
57 extern std::ctype<wchar_t> ctype_w;
58 extern std::collate<wchar_t> collate_w;
59 extern numpunct<wchar_t> numpunct_w;
60 extern num_get<wchar_t> num_get_w;
61 extern num_put<wchar_t> num_put_w;
62 extern codecvt<wchar_t, char, mbstate_t> codecvt_w;
63 extern moneypunct<wchar_t, false> moneypunct_fw;
64 extern moneypunct<wchar_t, true> moneypunct_tw;
65 extern money_get<wchar_t> money_get_w;
66 extern money_put<wchar_t> money_put_w;
67 extern __timepunct<wchar_t> timepunct_w;
68 extern time_get<wchar_t> time_get_w;
69 extern time_put<wchar_t> time_put_w;
70 extern std::messages<wchar_t> messages_w;
73 extern std::__locale_cache<numpunct<char> > locale_cache_np_c;
74 #ifdef _GLIBCPP_USE_WCHAR_T
75 extern std::__locale_cache<numpunct<wchar_t> > locale_cache_np_w;
77 } // namespace __gnu_cxx
81 using namespace __gnu_cxx;
86 // Clean up facets, then caches. No cache refcounts for now.
87 for (size_t __i = 0; __i < _M_facets_size; ++__i)
89 _M_facets[__i]->_M_remove_reference();
90 for (size_t __i = _M_facets_size; __i < 2*_M_facets_size; ++__i)
92 delete (__locale_cache_base*)_M_facets[__i];
96 __i < _S_categories_size + _S_extra_categories_size; ++__i)
97 delete [] _M_names[__i];
100 // Clone existing _Impl object.
102 _Impl(const _Impl& __imp, size_t __refs)
103 : _M_references(__refs), _M_facets_size(__imp._M_facets_size) // XXX
107 // Space for facets and matching caches
108 _M_facets = new facet*[2*_M_facets_size];
109 for (size_t __i = 0; __i < 2*_M_facets_size; ++__i)
115 __throw_exception_again;
117 for (size_t __i = 0; __i < _M_facets_size; ++__i)
119 _M_facets[__i] = __imp._M_facets[__i];
121 _M_facets[__i]->_M_add_reference();
124 __i < _S_categories_size + _S_extra_categories_size; ++__i)
126 char* __new = new char[strlen(__imp._M_names[__i]) + 1];
127 strcpy(__new, __imp._M_names[__i]);
128 _M_names[__i] = __new;
132 // Construct named _Impl.
134 _Impl(const char* __s, size_t __refs)
135 : _M_references(__refs), _M_facets_size(_GLIBCPP_NUM_FACETS)
137 // Initialize the underlying locale model, which also checks
138 // to see if the given name is valid.
140 locale::facet::_S_create_c_locale(__cloc, __s);
144 // Space for facets and matching caches
145 _M_facets = new facet*[2*_M_facets_size];
146 for (size_t __i = 0; __i < 2*_M_facets_size; ++__i)
152 __throw_exception_again;
155 // Name all the categories.
156 size_t __len = strlen(__s);
157 if (!strchr(__s, ';'))
160 __i < _S_categories_size + _S_extra_categories_size; ++__i)
162 _M_names[__i] = new char[__len + 1];
163 strcpy(_M_names[__i], __s);
168 const char* __beg = __s;
170 __i < _S_categories_size + _S_extra_categories_size; ++__i)
172 __beg = strchr(__beg, '=') + 1;
173 const char* __end = strchr(__beg, ';');
176 char* __new = new char[__end - __beg + 1];
177 memcpy(__new, __beg, __end - __beg);
178 __new[__end - __beg] = '\0';
179 _M_names[__i] = __new;
183 // Construct all standard facets and add them to _M_facets.
184 _M_init_facet(new std::ctype<char>(__cloc, 0, false));
185 _M_init_facet(new codecvt<char, char, mbstate_t>);
186 _M_init_facet(new numpunct<char>(__cloc));
187 _M_init_facet(new num_get<char>);
188 _M_init_facet(new num_put<char>);
189 _M_init_facet(new std::collate<char>(__cloc));
190 _M_init_facet(new moneypunct<char, false>(__cloc, __s));
191 _M_init_facet(new moneypunct<char, true>(__cloc, __s));
192 _M_init_facet(new money_get<char>);
193 _M_init_facet(new money_put<char>);
194 _M_init_facet(new __timepunct<char>(__cloc, __s));
195 _M_init_facet(new time_get<char>);
196 _M_init_facet(new time_put<char>);
197 _M_init_facet(new std::messages<char>(__cloc, __s));
199 #ifdef _GLIBCPP_USE_WCHAR_T
200 _M_init_facet(new std::ctype<wchar_t>(__cloc));
201 _M_init_facet(new codecvt<wchar_t, char, mbstate_t>);
202 _M_init_facet(new numpunct<wchar_t>(__cloc));
203 _M_init_facet(new num_get<wchar_t>);
204 _M_init_facet(new num_put<wchar_t>);
205 _M_init_facet(new std::collate<wchar_t>(__cloc));
206 _M_init_facet(new moneypunct<wchar_t, false>(__cloc, __s));
207 _M_init_facet(new moneypunct<wchar_t, true>(__cloc, __s));
208 _M_init_facet(new money_get<wchar_t>);
209 _M_init_facet(new money_put<wchar_t>);
210 _M_init_facet(new __timepunct<wchar_t>(__cloc, __s));
211 _M_init_facet(new time_get<wchar_t>);
212 _M_init_facet(new time_put<wchar_t>);
213 _M_init_facet(new std::messages<wchar_t>(__cloc, __s));
215 locale::facet::_S_destroy_c_locale(__cloc);
218 // Construct "C" _Impl.
220 _Impl(facet**, size_t __refs, bool)
221 : _M_references(__refs), _M_facets_size(_GLIBCPP_NUM_FACETS)
223 // Initialize the underlying locale model.
224 locale::facet::_S_c_name[0] = 'C';
225 locale::facet::_S_c_name[1] = '\0';
226 locale::facet::_S_create_c_locale(locale::facet::_S_c_locale,
227 locale::facet::_S_c_name);
229 // Space for facets and matching caches
230 _M_facets = new(&facet_cache_vec) facet*[2*_M_facets_size];
231 for (size_t __i = 0; __i < 2*_M_facets_size; ++__i)
234 // Name all the categories.
236 __i < _S_categories_size + _S_extra_categories_size; ++__i)
238 _M_names[__i] = new (&facet_name[__i]) char[2];
239 strcpy(_M_names[__i], locale::facet::_S_c_name);
242 // This is needed as presently the C++ version of "C" locales
243 // != data in the underlying locale model for __timepunct,
244 // numpunct, and moneypunct. Also, the "C" locales must be
245 // constructed in a way such that they are pre-allocated.
246 // NB: Set locale::facets(ref) count to one so that each individual
247 // facet is not destroyed when the locale (and thus locale::_Impl) is
249 _M_init_facet(new (&ctype_c) std::ctype<char>(0, false, 1));
250 _M_init_facet(new (&codecvt_c) codecvt<char, char, mbstate_t>(1));
251 _M_init_facet(new (&numpunct_c) numpunct<char>(1));
252 _M_init_facet(new (&num_get_c) num_get<char>(1));
253 _M_init_facet(new (&num_put_c) num_put<char>(1));
254 _M_init_facet(new (&collate_c) std::collate<char>(1));
255 _M_init_facet(new (&moneypunct_fc) moneypunct<char, false>(1));
256 _M_init_facet(new (&moneypunct_tc) moneypunct<char, true>(1));
257 _M_init_facet(new (&money_get_c) money_get<char>(1));
258 _M_init_facet(new (&money_put_c) money_put<char>(1));
259 _M_init_facet(new (&timepunct_c) __timepunct<char>(1));
260 _M_init_facet(new (&time_get_c) time_get<char>(1));
261 _M_init_facet(new (&time_put_c) time_put<char>(1));
262 _M_init_facet(new (&messages_c) std::messages<char>(1));
263 #ifdef _GLIBCPP_USE_WCHAR_T
264 _M_init_facet(new (&ctype_w) std::ctype<wchar_t>(1));
265 _M_init_facet(new (&codecvt_w) codecvt<wchar_t, char, mbstate_t>(1));
266 _M_init_facet(new (&numpunct_w) numpunct<wchar_t>(1));
267 _M_init_facet(new (&num_get_w) num_get<wchar_t>(1));
268 _M_init_facet(new (&num_put_w) num_put<wchar_t>(1));
269 _M_init_facet(new (&collate_w) std::collate<wchar_t>(1));
270 _M_init_facet(new (&moneypunct_fw) moneypunct<wchar_t, false>(1));
271 _M_init_facet(new (&moneypunct_tw) moneypunct<wchar_t, true>(1));
272 _M_init_facet(new (&money_get_w) money_get<wchar_t>(1));
273 _M_init_facet(new (&money_put_w) money_put<wchar_t>(1));
274 _M_init_facet(new (&timepunct_w) __timepunct<wchar_t>(1));
275 _M_init_facet(new (&time_get_w) time_get<wchar_t>(1));
276 _M_init_facet(new (&time_put_w) time_put<wchar_t>(1));
277 _M_init_facet(new (&messages_w) std::messages<wchar_t>(1));
280 // Initialize the static locale caches for C locale.
282 locale ltmp(this); // Doesn't bump refcount
283 _M_add_reference(); // Bump so destructor doesn't trash us
285 // These need to be built in static allocated memory. There must
286 // be a better way to do this!
287 __locale_cache<numpunct<char> >* __lc =
288 new (&locale_cache_np_c) __locale_cache<numpunct<char> >(ltmp, true);
289 _M_facets[numpunct<char>::id._M_id() + _M_facets_size] =
290 reinterpret_cast<locale::facet*>(__lc);
292 #ifdef _GLIBCPP_USE_WCHAR_T
293 __locale_cache<numpunct<wchar_t> >* __wlc =
294 new (&locale_cache_np_w) __locale_cache<numpunct<wchar_t> >(ltmp, true);
295 _M_facets[numpunct<wchar_t>::id._M_id() + _M_facets_size] =
296 reinterpret_cast<locale::facet*>(__wlc);
302 _M_replace_categories(const _Impl* __imp, category __cat)
305 for (size_t __ix = 0; __ix < _S_categories_size; ++__ix)
310 // Need to replace entry in _M_facets with other locale's info.
311 _M_replace_category(__imp, _S_facet_categories[__ix]);
312 // If both have names, go ahead and mangle.
313 if (strcmp(_M_names[__ix], "*") != 0
314 && strcmp(__imp->_M_names[__ix], "*") != 0)
316 delete [] _M_names[__ix];
317 char* __new = new char[strlen(__imp->_M_names[__ix]) + 1];
318 strcpy(__new, __imp->_M_names[__ix]);
319 _M_names[__ix] = __new;
327 _M_replace_category(const _Impl* __imp, const locale::id* const* __idpp)
329 for (; *__idpp; ++__idpp)
330 _M_replace_facet(__imp, *__idpp);
335 _M_replace_facet(const _Impl* __imp, const locale::id* __idp)
337 size_t __index = __idp->_M_id();
338 if ((__index > (__imp->_M_facets_size - 1)) || !__imp->_M_facets[__index])
339 __throw_runtime_error("no locale facet");
340 _M_install_facet(__idp, __imp->_M_facets[__index]);
345 _M_install_facet(const locale::id* __idp, facet* __fp)
349 size_t __index = __idp->_M_id();
351 // Check size of facet vector to ensure adequate room.
352 if (__index > _M_facets_size - 1)
354 facet** __old = _M_facets;
356 const size_t __new_size = __index + 4;
357 __new = new facet*[2 * __new_size];
358 for (size_t __i = 0; __i < _M_facets_size; ++__i)
359 __new[__i] = _M_facets[__i];
360 for (size_t __i2 = _M_facets_size; __i2 < __new_size; ++__i2)
362 // Also copy caches and clear extra space
363 for (size_t __i = 0; __i < _M_facets_size; ++__i)
364 __new[__i + __new_size] = _M_facets[__i + _M_facets_size];
365 for (size_t __i2 = _M_facets_size; __i2 < __new_size; ++__i2)
366 __new[__i2 + __new_size] = 0;
368 _M_facets_size = __new_size;
373 __fp->_M_add_reference();
374 facet*& __fpr = _M_facets[__index];
377 // Replacing an existing facet. Order matters.
378 __fpr->_M_remove_reference();
383 // Installing a newly created facet into an empty
384 // _M_facets container, say a newly-constructed,
385 // swanky-fresh _Impl.
386 _M_facets[__index] = __fp;