-// Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003
+// Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005
// Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library. This library is free
// 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,
+// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
// USA.
// As a special exception, you may use this file as part of a free software
#include <cstring>
#include <locale>
-namespace __gnu_cxx
-{
- using namespace std;
+_GLIBCXX_BEGIN_NAMESPACE(std)
- // Defined in globals.cc.
- extern locale::facet* facet_vec[_GLIBCXX_NUM_FACETS];
- extern char* name_vec[6 + _GLIBCXX_NUM_CATEGORIES];
- extern char name_c[6 + _GLIBCXX_NUM_CATEGORIES][2];
-
- extern std::ctype<char> ctype_c;
- extern std::collate<char> collate_c;
- extern numpunct<char> numpunct_c;
- extern num_get<char> num_get_c;
- extern num_put<char> num_put_c;
- extern codecvt<char, char, mbstate_t> codecvt_c;
- extern moneypunct<char, false> moneypunct_cf;
- extern moneypunct<char, true> moneypunct_ct;
- extern money_get<char> money_get_c;
- extern money_put<char> money_put_c;
- extern __timepunct<char> timepunct_c;
- extern time_get<char> time_get_c;
- extern time_put<char> time_put_c;
- extern std::messages<char> messages_c;
-#ifdef _GLIBCXX_USE_WCHAR_T
- extern std::ctype<wchar_t> ctype_w;
- extern std::collate<wchar_t> collate_w;
- extern numpunct<wchar_t> numpunct_w;
- extern num_get<wchar_t> num_get_w;
- extern num_put<wchar_t> num_put_w;
- extern codecvt<wchar_t, char, mbstate_t> codecvt_w;
- extern moneypunct<wchar_t, false> moneypunct_wf;
- extern moneypunct<wchar_t, true> moneypunct_wt;
- extern money_get<wchar_t> money_get_w;
- extern money_put<wchar_t> money_put_w;
- extern __timepunct<wchar_t> timepunct_w;
- extern time_get<wchar_t> time_get_w;
- extern time_put<wchar_t> time_put_w;
- extern std::messages<wchar_t> messages_w;
-#endif
-
- // And the caches....
- extern locale::facet* cache_vec[_GLIBCXX_NUM_FACETS];
- extern __numpunct_cache<char> numpunct_cache_c;
- extern __moneypunct_cache<char> moneypunct_cache_cf;
- extern __moneypunct_cache<char> moneypunct_cache_ct;
- extern __timepunct_cache<char> timepunct_cache_c;
-#ifdef _GLIBCXX_USE_WCHAR_T
- extern __numpunct_cache<wchar_t> numpunct_cache_w;
- extern __moneypunct_cache<wchar_t> moneypunct_cache_wf;
- extern __moneypunct_cache<wchar_t> moneypunct_cache_wt;
- extern __timepunct_cache<wchar_t> timepunct_cache_w;
-#endif
-} // namespace __gnu_cxx
-
-namespace std
-{
using namespace __gnu_cxx;
- locale::_Impl::
- ~_Impl() throw()
- {
- for (size_t __i = 0; __i < _M_facets_size; ++__i)
- if (_M_facets[__i])
- _M_facets[__i]->_M_remove_reference();
- delete [] _M_facets;
-
- for (size_t __i = 0; __i < _M_facets_size; ++__i)
- if (_M_caches[__i])
- _M_caches[__i]->_M_remove_reference();
- delete [] _M_caches;
-
- for (size_t __i = 0; __i < _S_categories_size; ++__i)
- delete [] _M_names[__i];
- delete [] _M_names;
- }
-
- // Clone existing _Impl object.
- locale::_Impl::
- _Impl(const _Impl& __imp, size_t __refs)
- : _M_references(__refs), _M_facets_size(__imp._M_facets_size)
+ locale::locale(const char* __s) : _M_impl(0)
{
- _M_facets = _M_caches = 0;
- _M_names = 0;
- try
+ if (__s)
{
- _M_facets = new const facet*[_M_facets_size];
- _M_caches = new const facet*[_M_facets_size];
- _M_names = new char*[_S_categories_size];
- }
- catch(...)
- {
- delete [] _M_facets;
- delete [] _M_caches;
- __throw_exception_again;
- }
-
- for (size_t __i = 0; __i < _M_facets_size; ++__i)
- {
- _M_facets[__i] = __imp._M_facets[__i];
- _M_caches[__i] = __imp._M_caches[__i];
- if (_M_facets[__i])
- _M_facets[__i]->_M_add_reference();
- if (_M_caches[__i])
- _M_caches[__i]->_M_add_reference();
- }
-
- // Name all the categories.
- for (size_t __i = 0; __i < _S_categories_size; ++__i)
- _M_names[__i] = 0;
- try
- {
- for (size_t __i = 0; __i < _S_categories_size; ++__i)
+ _S_initialize();
+ if (std::strcmp(__s, "C") == 0 || std::strcmp(__s, "POSIX") == 0)
+ (_M_impl = _S_classic)->_M_add_reference();
+ else if (std::strcmp(__s, "") != 0)
+ _M_impl = new _Impl(__s, 1);
+ else
{
- char* __new = new char[std::strlen(__imp._M_names[__i]) + 1];
- std::strcpy(__new, __imp._M_names[__i]);
- _M_names[__i] = __new;
+ // Get it from the environment.
+ char* __env = std::getenv("LC_ALL");
+ // If LC_ALL is set we are done.
+ if (__env && std::strcmp(__env, "") != 0)
+ {
+ if (std::strcmp(__env, "C") == 0
+ || std::strcmp(__env, "POSIX") == 0)
+ (_M_impl = _S_classic)->_M_add_reference();
+ else
+ _M_impl = new _Impl(__env, 1);
+ }
+ else
+ {
+ // LANG may set a default different from "C".
+ string __lang;
+ __env = std::getenv("LANG");
+ if (!__env || std::strcmp(__env, "") == 0
+ || std::strcmp(__env, "C") == 0
+ || std::strcmp(__env, "POSIX") == 0)
+ __lang = "C";
+ else
+ __lang = __env;
+
+ // Scan the categories looking for the first one
+ // different from LANG.
+ size_t __i = 0;
+ if (__lang == "C")
+ for (; __i < _S_categories_size; ++__i)
+ {
+ __env = std::getenv(_S_categories[__i]);
+ if (__env && std::strcmp(__env, "") != 0
+ && std::strcmp(__env, "C") != 0
+ && std::strcmp(__env, "POSIX") != 0)
+ break;
+ }
+ else
+ for (; __i < _S_categories_size; ++__i)
+ {
+ __env = std::getenv(_S_categories[__i]);
+ if (__env && std::strcmp(__env, "") != 0
+ && __lang != __env)
+ break;
+ }
+
+ // If one is found, build the complete string of
+ // the form LC_CTYPE=xxx;LC_NUMERIC=yyy; and so on...
+ if (__i < _S_categories_size)
+ {
+ string __str;
+ __str.reserve(128);
+ for (size_t __j = 0; __j < __i; ++__j)
+ {
+ __str += _S_categories[__j];
+ __str += '=';
+ __str += __lang;
+ __str += ';';
+ }
+ __str += _S_categories[__i];
+ __str += '=';
+ __str += __env;
+ __str += ';';
+ ++__i;
+ for (; __i < _S_categories_size; ++__i)
+ {
+ __env = std::getenv(_S_categories[__i]);
+ __str += _S_categories[__i];
+ if (!__env || std::strcmp(__env, "") == 0)
+ {
+ __str += '=';
+ __str += __lang;
+ __str += ';';
+ }
+ else if (std::strcmp(__env, "C") == 0
+ || std::strcmp(__env, "POSIX") == 0)
+ __str += "=C;";
+ else
+ {
+ __str += '=';
+ __str += __env;
+ __str += ';';
+ }
+ }
+ __str.erase(__str.end() - 1);
+ _M_impl = new _Impl(__str.c_str(), 1);
+ }
+ // ... otherwise either an additional instance of
+ // the "C" locale or LANG.
+ else if (__lang == "C")
+ (_M_impl = _S_classic)->_M_add_reference();
+ else
+ _M_impl = new _Impl(__lang.c_str(), 1);
+ }
}
}
- catch(...)
- {
- this->~_Impl();
+ else
+ __throw_runtime_error(__N("locale::locale NULL not valid"));
+ }
+
+ locale::locale(const locale& __base, const char* __s, category __cat)
+ : _M_impl(0)
+ {
+ // 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_impl(0)
+ { _M_coalesce(__base, __add, __cat); }
+
+ 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;
}
}
// Construct named _Impl.
locale::_Impl::
- _Impl(const char* __s, size_t __refs)
- : _M_references(__refs), _M_facets_size(_GLIBCXX_NUM_FACETS)
+ _Impl(const char* __s, size_t __refs)
+ : _M_refcount(__refs), _M_facets(0), _M_facets_size(_GLIBCXX_NUM_FACETS),
+ _M_caches(0), _M_names(0)
{
// Initialize the underlying locale model, which also checks to
// see if the given name is valid.
__c_locale __cloc;
locale::facet::_S_create_c_locale(__cloc, __s);
- _M_facets = _M_caches = 0;
- _M_names = 0;
try
{
_M_facets = new const facet*[_M_facets_size];
+ for (size_t __i = 0; __i < _M_facets_size; ++__i)
+ _M_facets[__i] = 0;
_M_caches = new const facet*[_M_facets_size];
+ for (size_t __j = 0; __j < _M_facets_size; ++__j)
+ _M_caches[__j] = 0;
_M_names = new char*[_S_categories_size];
- }
- catch(...)
- {
- delete [] _M_facets;
- delete [] _M_caches;
- __throw_exception_again;
- }
-
- for (size_t __i = 0; __i < _M_facets_size; ++__i)
- _M_facets[__i] = _M_caches[__i] = 0;
+ for (size_t __k = 0; __k < _S_categories_size; ++__k)
+ _M_names[__k] = 0;
- // Name all the categories.
- for (size_t __i = 0; __i < _S_categories_size; ++__i)
- _M_names[__i] = 0;
- try
- {
+ // Name the categories.
const size_t __len = std::strlen(__s);
- if (!std::strchr(__s, ';'))
+ if (!std::memchr(__s, ';', __len))
{
- for (size_t __i = 0; __i < _S_categories_size; ++__i)
- {
- _M_names[__i] = new char[__len + 1];
- std::strcpy(_M_names[__i], __s);
- }
+ _M_names[0] = new char[__len + 1];
+ std::memcpy(_M_names[0], __s, __len + 1);
}
else
{
- const char* __beg = __s;
+ const char* __end = __s;
for (size_t __i = 0; __i < _S_categories_size; ++__i)
{
- __beg = std::strchr(__beg, '=') + 1;
- const char* __end = std::strchr(__beg, ';');
+ const char* __beg = std::strchr(__end + 1, '=') + 1;
+ __end = std::strchr(__beg, ';');
if (!__end)
__end = __s + __len;
- char* __new = new char[__end - __beg + 1];
- std::memcpy(__new, __beg, __end - __beg);
- __new[__end - __beg] = '\0';
- _M_names[__i] = __new;
+ _M_names[__i] = new char[__end - __beg + 1];
+ std::memcpy(_M_names[__i], __beg, __end - __beg);
+ _M_names[__i][__end - __beg] = '\0';
}
}
+
+ // Construct all standard facets and add them to _M_facets.
+ _M_init_facet(new std::ctype<char>(__cloc, 0, false));
+ _M_init_facet(new codecvt<char, char, mbstate_t>(__cloc));
+ _M_init_facet(new numpunct<char>(__cloc));
+ _M_init_facet(new num_get<char>);
+ _M_init_facet(new num_put<char>);
+ _M_init_facet(new std::collate<char>(__cloc));
+ _M_init_facet(new moneypunct<char, false>(__cloc, __s));
+ _M_init_facet(new moneypunct<char, true>(__cloc, __s));
+ _M_init_facet(new money_get<char>);
+ _M_init_facet(new money_put<char>);
+ _M_init_facet(new __timepunct<char>(__cloc, __s));
+ _M_init_facet(new time_get<char>);
+ _M_init_facet(new time_put<char>);
+ _M_init_facet(new std::messages<char>(__cloc, __s));
+
+#ifdef _GLIBCXX_USE_WCHAR_T
+ _M_init_facet(new std::ctype<wchar_t>(__cloc));
+ _M_init_facet(new codecvt<wchar_t, char, mbstate_t>(__cloc));
+ _M_init_facet(new numpunct<wchar_t>(__cloc));
+ _M_init_facet(new num_get<wchar_t>);
+ _M_init_facet(new num_put<wchar_t>);
+ _M_init_facet(new std::collate<wchar_t>(__cloc));
+ _M_init_facet(new moneypunct<wchar_t, false>(__cloc, __s));
+ _M_init_facet(new moneypunct<wchar_t, true>(__cloc, __s));
+ _M_init_facet(new money_get<wchar_t>);
+ _M_init_facet(new money_put<wchar_t>);
+ _M_init_facet(new __timepunct<wchar_t>(__cloc, __s));
+ _M_init_facet(new time_get<wchar_t>);
+ _M_init_facet(new time_put<wchar_t>);
+ _M_init_facet(new std::messages<wchar_t>(__cloc, __s));
+#endif
+ locale::facet::_S_destroy_c_locale(__cloc);
}
catch(...)
{
+ locale::facet::_S_destroy_c_locale(__cloc);
this->~_Impl();
__throw_exception_again;
- }
-
- // Construct all standard facets and add them to _M_facets.
- _M_init_facet(new std::ctype<char>(__cloc, 0, false));
- _M_init_facet(new codecvt<char, char, mbstate_t>(__cloc));
- _M_init_facet(new numpunct<char>(__cloc));
- _M_init_facet(new num_get<char>);
- _M_init_facet(new num_put<char>);
- _M_init_facet(new std::collate<char>(__cloc));
- _M_init_facet(new moneypunct<char, false>(__cloc, __s));
- _M_init_facet(new moneypunct<char, true>(__cloc, __s));
- _M_init_facet(new money_get<char>);
- _M_init_facet(new money_put<char>);
- _M_init_facet(new __timepunct<char>(__cloc, __s));
- _M_init_facet(new time_get<char>);
- _M_init_facet(new time_put<char>);
- _M_init_facet(new std::messages<char>(__cloc, __s));
-
-#ifdef _GLIBCXX_USE_WCHAR_T
- _M_init_facet(new std::ctype<wchar_t>(__cloc));
- _M_init_facet(new codecvt<wchar_t, char, mbstate_t>(__cloc));
- _M_init_facet(new numpunct<wchar_t>(__cloc));
- _M_init_facet(new num_get<wchar_t>);
- _M_init_facet(new num_put<wchar_t>);
- _M_init_facet(new std::collate<wchar_t>(__cloc));
- _M_init_facet(new moneypunct<wchar_t, false>(__cloc, __s));
- _M_init_facet(new moneypunct<wchar_t, true>(__cloc, __s));
- _M_init_facet(new money_get<wchar_t>);
- _M_init_facet(new money_put<wchar_t>);
- _M_init_facet(new __timepunct<wchar_t>(__cloc, __s));
- _M_init_facet(new time_get<wchar_t>);
- _M_init_facet(new time_put<wchar_t>);
- _M_init_facet(new std::messages<wchar_t>(__cloc, __s));
-#endif
-
- locale::facet::_S_destroy_c_locale(__cloc);
+ }
}
- // Construct "C" _Impl.
- locale::_Impl::
- _Impl(facet**, size_t __refs, bool)
- : _M_references(__refs), _M_facets_size(_GLIBCXX_NUM_FACETS)
- {
- // Initialize the underlying locale model.
- locale::facet::_S_c_name[0] = 'C';
- locale::facet::_S_c_name[1] = '\0';
- locale::facet::_S_create_c_locale(locale::facet::_S_c_locale,
- locale::facet::_S_c_name);
-
- _M_facets = new (&facet_vec) const facet*[_M_facets_size];
- _M_caches = new (&cache_vec) const facet*[_M_facets_size];
- for (size_t __i = 0; __i < _M_facets_size; ++__i)
- _M_facets[__i] = _M_caches[__i] = 0;
-
- // Name all the categories.
- _M_names = new (&name_vec) char*[_S_categories_size];
- for (size_t __i = 0; __i < _S_categories_size; ++__i)
- {
- _M_names[__i] = new (&name_c[__i]) char[2];
- std::strcpy(_M_names[__i], locale::facet::_S_c_name);
- }
-
- // This is needed as presently the C++ version of "C" locales
- // != data in the underlying locale model for __timepunct,
- // numpunct, and moneypunct. Also, the "C" locales must be
- // constructed in a way such that they are pre-allocated.
- // NB: Set locale::facets(ref) count to one so that each individual
- // facet is not destroyed when the locale (and thus locale::_Impl) is
- // destroyed.
- _M_init_facet(new (&ctype_c) std::ctype<char>(0, false, 1));
- _M_init_facet(new (&codecvt_c) codecvt<char, char, mbstate_t>(1));
-
- typedef __numpunct_cache<char> num_cache_c;
- num_cache_c* __npc = new (&numpunct_cache_c) num_cache_c(2);
- _M_init_facet(new (&numpunct_c) numpunct<char>(__npc, 1));
-
- _M_init_facet(new (&num_get_c) num_get<char>(1));
- _M_init_facet(new (&num_put_c) num_put<char>(1));
- _M_init_facet(new (&collate_c) std::collate<char>(1));
-
- typedef __moneypunct_cache<char> money_cache_c;
- money_cache_c* __mpcf = new (&moneypunct_cache_cf) money_cache_c(2);
- _M_init_facet(new (&moneypunct_cf) moneypunct<char, false>(__mpcf, 1));
- money_cache_c* __mpct = new (&moneypunct_cache_ct) money_cache_c(2);
- _M_init_facet(new (&moneypunct_ct) moneypunct<char, true>(__mpct, 1));
-
- _M_init_facet(new (&money_get_c) money_get<char>(1));
- _M_init_facet(new (&money_put_c) money_put<char>(1));
-
- typedef __timepunct_cache<char> time_cache_c;
- time_cache_c* __tpc = new (&timepunct_cache_c) time_cache_c(2);
- _M_init_facet(new (&timepunct_c) __timepunct<char>(__tpc, 1));
-
- _M_init_facet(new (&time_get_c) time_get<char>(1));
- _M_init_facet(new (&time_put_c) time_put<char>(1));
- _M_init_facet(new (&messages_c) std::messages<char>(1));
-
-#ifdef _GLIBCXX_USE_WCHAR_T
- _M_init_facet(new (&ctype_w) std::ctype<wchar_t>(1));
- _M_init_facet(new (&codecvt_w) codecvt<wchar_t, char, mbstate_t>(1));
-
- typedef __numpunct_cache<wchar_t> num_cache_w;
- num_cache_w* __npw = new (&numpunct_cache_w) num_cache_w(2);
- _M_init_facet(new (&numpunct_w) numpunct<wchar_t>(__npw, 1));
-
- _M_init_facet(new (&num_get_w) num_get<wchar_t>(1));
- _M_init_facet(new (&num_put_w) num_put<wchar_t>(1));
- _M_init_facet(new (&collate_w) std::collate<wchar_t>(1));
-
- typedef __moneypunct_cache<wchar_t> money_cache_w;
- money_cache_w* __mpwf = new (&moneypunct_cache_wf) money_cache_w(2);
- _M_init_facet(new (&moneypunct_wf) moneypunct<wchar_t, false>(__mpwf, 1));
- money_cache_w* __mpwt = new (&moneypunct_cache_wt) money_cache_w(2);
- _M_init_facet(new (&moneypunct_wt) moneypunct<wchar_t, true>(__mpwt, 1));
-
- _M_init_facet(new (&money_get_w) money_get<wchar_t>(1));
- _M_init_facet(new (&money_put_w) money_put<wchar_t>(1));
-
- typedef __timepunct_cache<wchar_t> time_cache_w;
- time_cache_w* __tpw = new (&timepunct_cache_w) time_cache_w(2);
- _M_init_facet(new (&timepunct_w) __timepunct<wchar_t>(__tpw, 1));
-
- _M_init_facet(new (&time_get_w) time_get<wchar_t>(1));
- _M_init_facet(new (&time_put_w) time_put<wchar_t>(1));
- _M_init_facet(new (&messages_w) std::messages<wchar_t>(1));
-#endif
-
- // This locale is safe to pre-cache, after all the facets have
- // been created and installed.
- _M_caches[numpunct<char>::id._M_id()] = __npc;
- _M_caches[moneypunct<char, false>::id._M_id()] = __mpcf;
- _M_caches[moneypunct<char, true>::id._M_id()] = __mpct;
- _M_caches[__timepunct<char>::id._M_id()] = __tpc;
-#ifdef _GLIBCXX_USE_WCHAR_T
- _M_caches[numpunct<wchar_t>::id._M_id()] = __npw;
- _M_caches[moneypunct<wchar_t, false>::id._M_id()] = __mpwf;
- _M_caches[moneypunct<wchar_t, true>::id._M_id()] = __mpwt;
- _M_caches[__timepunct<wchar_t>::id._M_id()] = __tpw;
-#endif
- }
-
void
locale::_Impl::
_M_replace_categories(const _Impl* __imp, category __cat)
{
- category __mask;
- for (size_t __ix = 0; __ix < _S_categories_size; ++__ix)
+ category __mask = 1;
+ const bool __have_names = _M_names[0] && __imp->_M_names[0];
+ for (size_t __ix = 0; __ix < _S_categories_size; ++__ix, __mask <<= 1)
{
- __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 (std::strcmp(_M_names[__ix], "*") != 0
- && std::strcmp(__imp->_M_names[__ix], "*") != 0)
+ if (__have_names)
{
- char* __new = new char[std::strlen(__imp->_M_names[__ix]) + 1];
- std::strcpy(__new, __imp->_M_names[__ix]);
+ if (!_M_names[1])
+ {
+ // A full set of _M_names must be prepared, all identical
+ // to _M_names[0] to begin with. Then, below, a few will
+ // be replaced by the corresponding __imp->_M_names. I.e.,
+ // not a "simple" locale anymore (see locale::operator==).
+ const size_t __len = std::strlen(_M_names[0]) + 1;
+ for (size_t __i = 1; __i < _S_categories_size; ++__i)
+ {
+ _M_names[__i] = new char[__len];
+ std::memcpy(_M_names[__i], _M_names[0], __len);
+ }
+ }
+ char* __src = __imp->_M_names[__ix] ? __imp->_M_names[__ix]
+ : __imp->_M_names[0];
+ const size_t __len = std::strlen(__src) + 1;
+ char* __new = new char[__len];
+ std::memcpy(__new, __src, __len);
delete [] _M_names[__ix];
_M_names[__ix] = __new;
}
}
}
- 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_id();
- if ((__index > (__imp->_M_facets_size - 1)) || !__imp->_M_facets[__index])
- __throw_runtime_error("locale::_Impl::_M_replace_facet");
- _M_install_facet(__idp, __imp->_M_facets[__index]);
- }
-
- void
- locale::_Impl::
- _M_install_facet(const locale::id* __idp, const facet* __fp)
- {
- if (__fp)
- {
- size_t __index = __idp->_M_id();
-
- // 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 __i2 = _M_facets_size; __i2 < __new_size; ++__i2)
- __newf[__i2] = 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 __i = 0; __i < _M_facets_size; ++__i)
- __newc[__i] = _M_caches[__i];
- for (size_t __i2 = _M_facets_size; __i2 < __new_size; ++__i2)
- __newc[__i2] = 0;
-
- _M_facets_size = __new_size;
- _M_facets = __newf;
- _M_caches = __newc;
- delete [] __oldf;
- delete [] __oldc;
- }
-
- __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;
- }
- }
- }
- }
-} // namespace std
+_GLIBCXX_END_NAMESPACE
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