-// Copyright (C) 1997, 1998, 1999, 2000 Free Software Foundation, Inc.
+// 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
// invalidate any other reasons why the executable file might be covered by
// the GNU General Public License.
+#include <clocale>
+#include <cstring>
+#include <locale>
+#include <vector>
+#include <stdexcept>
-#include <bits/std_clocale.h>
-#include <bits/std_locale.h>
-#include <bits/std_cstring.h>
-#include <bits/std_cassert.h>
-#include <bits/std_vector.h>
-#include <bits/std_stdexcept.h>
-
-namespace std {
-
+namespace std
+{
locale::_Impl::
~_Impl() throw()
{
- std::vector<facet*>::iterator it = _M_facets->begin();
+ __vec_facet::iterator it = _M_facets->begin();
for (; it != _M_facets->end(); ++it)
- (*it)->_M_remove_reference();
+ if (*it)
+ (*it)->_M_remove_reference();
delete _M_facets;
- delete _M_category_names;
}
+ // Clone existing _Impl object.
locale::_Impl::
- _Impl(const _Impl& __other, size_t __refs)
- : _M_references(__refs - 1), _M_facets(0), _M_category_names(0),
- _M_has_name(__other._M_has_name), _M_name(__other._M_name)
+ _Impl(const _Impl& __imp, size_t __refs)
+ : _M_references(__refs), _M_facets(0) // XXX
{
try
- { _M_facets = new __vec_facet(*(__other._M_facets)); }
+ { _M_facets = new __vec_facet(*(__imp._M_facets)); }
catch(...)
{
delete _M_facets;
- throw;
+ __throw_exception_again;
}
- try
- { _M_category_names = new __vec_string(*(__other._M_category_names)); }
- catch(...)
- {
- delete _M_category_names;
- throw;
- }
+ for (size_t i = 0; i < _S_num_categories; ++i)
+ _M_names[i] = __imp._M_names[i];
- std::vector<facet*>::iterator __it = _M_facets->begin();
+ __vec_facet::iterator __it = _M_facets->begin();
for (; __it != _M_facets->end(); ++__it)
- (*__it)->_M_add_reference();
+ if (*__it)
+ (*__it)->_M_add_reference();
}
- // This constructor is used to correctly initialize named locales,
- // including the standard "C" locale.
+ // Construct named _Impl, including the standard "C" locale.
locale::_Impl::
- _Impl(size_t __numfacets, size_t __refs, bool __has_name = false,
- string __name = "*")
- : _M_references(__refs - 1), _M_facets(0), _M_category_names(0),
- _M_has_name(__has_name), _M_name(__name)
- {
- try
- { _M_facets = new __vec_facet(__numfacets, NULL); }
- catch(...)
- {
- delete _M_facets;
- throw;
- }
-
- try
- { _M_category_names = new __vec_string(_S_categories_num, _M_name); }
- catch(...)
- {
- delete _M_category_names;
- throw;
- }
- }
-
- // Construct specific categories, leaving unselected ones alone
- locale::_Impl::
- _Impl(const _Impl& __other, const string& __name, category __cat,
- size_t __refs)
- : _M_references(__refs - 1), _M_has_name(__other._M_name != "*")
+ _Impl(string __str, size_t __refs)
+ : _M_references(__refs), _M_facets(0)
{
- __cat = _S_normalize_category(__cat); // might throw
-
- try
- { _M_facets = new __vec_facet(*(__other._M_facets)); }
+ // 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, __str.c_str());
+
+ // This is needed as presently "C" locales != required data in
+ // __timepunct, numpunct, and moneypunct.
+ __c_locale __cloc_c = NULL;
+ if (__str != "C" && __str != "POSIX")
+ __cloc_c = __cloc;
+
+ // Allocate facet container.
+ try
+ { _M_facets = new __vec_facet(_S_num_facets, NULL); }
catch(...)
{
delete _M_facets;
- throw;
- }
-
- try
- { _M_category_names = new __vec_string(*(__other._M_category_names)); }
- catch(...)
- {
- delete _M_category_names;
- throw;
+ __throw_exception_again;
}
- static void(_Impl::* ctors[]) (const char*) =
- {
- // NB: Order must match the decl order in class locale.
- &locale::_Impl::_M_construct_collate,
- &locale::_Impl::_M_construct_ctype,
- &locale::_Impl::_M_construct_monetary,
- &locale::_Impl::_M_construct_numeric,
- &locale::_Impl::_M_construct_time,
- &locale::_Impl::_M_construct_messages,
- 0
- };
+ // 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.
+ _M_init_facet(new std::collate<char>(__cloc));
+ _M_init_facet(new std::ctype<char>(__cloc));
+ _M_init_facet(new codecvt<char, char, mbstate_t>);
+ _M_init_facet(new moneypunct<char, false>(__cloc_c));
+ _M_init_facet(new moneypunct<char, true>(__cloc_c));
+ _M_init_facet(new money_get<char>);
+ _M_init_facet(new money_put<char>);
+ _M_init_facet(new numpunct<char>(__cloc_c));
+ _M_init_facet(new num_get<char>);
+ _M_init_facet(new num_put<char>);
+ _M_init_facet(new __timepunct<char>(__cloc_c, __str.c_str()));
+ _M_init_facet(new time_get<char>);
+ _M_init_facet(new time_put<char>);
+ _M_init_facet(new std::messages<char>(__cloc, __str.c_str()));
- __vec_facet::iterator __it = _M_facets->begin();
- for (; __it != _M_facets->end(); ++__it)
- (*__it)->_M_add_reference();
-
- try
- {
- unsigned mask = (locale::all & -(unsigned)locale::all);
- for (unsigned ix = 0; (-mask & __cat) != 0; ++ix, (mask <<= 1))
- {
- if (!(mask & __cat))
- continue;
-
- if (mask & __cat)
- _M_replace_category(_S_classic, _S_facet_categories[ix]);
- else
- (this->*ctors[ix])(__name.c_str());
- }
- }
- catch(...)
- {
- __it = _M_facets->begin();
- for (; __it != _M_facets->end(); ++__it)
- (*__it)->_M_remove_reference();
- throw;
- }
-
- // XXX May need to be adjusted
- if (__cat == all)
- _M_name = __name;
+#ifdef _GLIBCPP_USE_WCHAR_T
+ _M_init_facet(new std::collate<wchar_t>(__cloc));
+ _M_init_facet(new std::ctype<wchar_t>(__cloc));
+ _M_init_facet(new codecvt<wchar_t, char, mbstate_t>);
+ _M_init_facet(new moneypunct<wchar_t, false>(__cloc_c));
+ _M_init_facet(new moneypunct<wchar_t, true>(__cloc_c));
+ _M_init_facet(new money_get<wchar_t>);
+ _M_init_facet(new money_put<wchar_t>);
+ _M_init_facet(new numpunct<wchar_t>(__cloc_c));
+ _M_init_facet(new num_get<wchar_t>);
+ _M_init_facet(new num_put<wchar_t>);
+ _M_init_facet(new __timepunct<wchar_t>(__cloc_c, __str.c_str()));
+ _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, __str.c_str()));
+#endif
+ locale::facet::_S_destroy_c_locale(__cloc);
}
void
locale::_Impl::
- _M_replace_categories(const _Impl* __other, category __cat)
+ _M_replace_categories(const _Impl* __imp, category __cat)
{
- assert((__cat & locale::all) && !(__cat & ~locale::all));
-
- unsigned int __mask = locale::all & -static_cast<unsigned int>(locale::all);
- for (unsigned int __ix = 0; (-__mask & __cat) != 0; ++__ix, (__mask <<= 1))
+ const string __none("*");
+ category __mask;
+ for (unsigned int __ix = 0; __ix < _S_num_categories; ++__ix)
{
+ __mask = 1 << __ix;
if (__mask & __cat)
{
- _M_replace_category(__other, _S_facet_categories[__ix]);
- (*_M_category_names)[__ix] = (*(__other->_M_category_names))[__ix];
+ // 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* __other, const locale::id* const* __idpp)
+ _M_replace_category(const _Impl* __imp, const locale::id* const* __idpp)
{
for (; *__idpp; ++__idpp)
- _M_replace_facet(__other, *__idpp);
+ _M_replace_facet(__imp, *__idpp);
}
void
locale::_Impl::
- _M_replace_facet(const _Impl* __other, const locale::id* __idp)
+ _M_replace_facet(const _Impl* __imp, const locale::id* __idp)
{
size_t __index = __idp->_M_index;
if (__index == 0
- || __other->_M_facets->size() <= __index
- || (*(__other->_M_facets))[__index] == 0)
- throw runtime_error("no locale facet");
+ || __imp->_M_facets->size() <= __index
+ || (*(__imp->_M_facets))[__index] == 0)
+ __throw_runtime_error("no locale facet");
- _M_install_facet(__idp, (*(__other->_M_facets))[__index]);
+ _M_install_facet(__idp, (*(__imp->_M_facets))[__index]);
}
void
locale::_Impl::
_M_install_facet(const locale::id* __idp, facet* __fp)
{
- if (__fp == 0)
- return;
-
- 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];
- // Order matters, here:
- __fp->_M_add_reference();
- if (__fpr)
- __fpr->_M_remove_reference();
- __fpr = __fp;
- }
-
- void
- locale::_Impl::_M_construct_collate(const char* __name)
- {
- _M_facet_init(new collate_byname<char>(__name, 0));
- _M_facet_init(new collate_byname<wchar_t>(__name, 0));
- }
-
- void
- locale::_Impl::_M_construct_ctype(const char* __name)
- {
- _M_facet_init(new ctype_byname<char>(__name, 0));
- _M_facet_init(new ctype_byname<wchar_t>(__name, 0));
- _M_facet_init(new codecvt_byname<char, char, mbstate_t>(__name));
- _M_facet_init(new codecvt_byname<wchar_t, char, mbstate_t>(__name));
- }
-
- void
- locale::_Impl::_M_construct_monetary(const char* __name)
- {
- _M_facet_init(new moneypunct_byname<char, false>(__name, 0));
- _M_facet_init(new moneypunct_byname<wchar_t, false>(__name, 0));
- _M_facet_init(new moneypunct_byname<char, true >(__name, 0));
- _M_facet_init(new moneypunct_byname<wchar_t, true >(__name, 0));
-
- _M_replace_facet(locale::_S_classic, &money_get<char>::id);
- _M_replace_facet(locale::_S_classic, &money_get<wchar_t>::id);
- _M_replace_facet(locale::_S_classic, &money_put<char>::id);
- _M_replace_facet(locale::_S_classic, &money_put<wchar_t>::id);
- }
-
- void
- locale::_Impl::_M_construct_numeric(const char* __name)
- {
- _M_facet_init(new numpunct_byname<char>(__name, 0));
- _M_facet_init(new numpunct_byname<wchar_t>(__name, 0));
+ if (__fp)
+ {
+ size_t& __index = __idp->_M_index;
+ if (!__index)
+ __index = 1 + __exchange_and_add(&locale::id::_S_highwater, 1);
+
+ if (__index >= _M_facets->size())
+ _M_facets->resize(__index + 1, 0); // might throw
- _M_replace_facet(locale::_S_classic, &num_get<char>::id);
- _M_replace_facet(locale::_S_classic, &num_get<wchar_t>::id);
- _M_replace_facet(locale::_S_classic, &num_put<char>::id);
- _M_replace_facet(locale::_S_classic, &num_put<wchar_t>::id);
- }
-
- void
- locale::_Impl::_M_construct_time(const char* __name)
- {
- _M_facet_init(new time_get_byname<char>(__name, 0));
- _M_facet_init(new time_get_byname<wchar_t>(__name, 0));
- _M_facet_init(new time_put_byname<char>(__name, 0));
- _M_facet_init(new time_put_byname<wchar_t>(__name, 0));
- }
-
- void
- locale::_Impl::_M_construct_messages(const char* __name)
- {
- _M_facet_init(new messages_byname<char>(__name, 0));
- _M_facet_init(new messages_byname<wchar_t>(__name, 0));
+ facet*& __fpr = (*_M_facets)[__index];
+ if (__fpr)
+ {
+ // Replacing an existing facet.
+ // Order matters, here:
+ __fp->_M_add_reference();
+ __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
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