// Locale support -*- C++ -*-
-// Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002
+// Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
+// 2006, 2007, 2009
// 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)
+// Free Software Foundation; either version 3, or (at your option)
// any later version.
// This library is distributed in the hope that it will be useful,
// 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.
+// Under Section 7 of GPL version 3, you are granted additional
+// permissions described in the GCC Runtime Library Exception, version
+// 3.1, as published by the Free Software Foundation.
-// 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.
-
-//
-// ISO C++ 14882: 22.1 Locales
-//
+// You should have received a copy of the GNU General Public License and
+// a copy of the GCC Runtime Library Exception along with this program;
+// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
+// <http://www.gnu.org/licenses/>.
/** @file localefwd.h
* This is an internal header file, included by other library headers.
* You should not attempt to use it directly.
*/
-#ifndef _CPP_BITS_LOCCORE_H
-#define _CPP_BITS_LOCCORE_H 1
+//
+// ISO C++ 14882: 22.1 Locales
+//
+
+#ifndef _LOCALE_FWD_H
+#define _LOCALE_FWD_H 1
#pragma GCC system_header
#include <bits/c++config.h>
-#include <bits/c++locale.h> // Defines __c_locale, config-specific includes
-#include <climits> // For CHAR_BIT
-#include <cctype> // For isspace, etc.
-#include <string> // For string.
-#include <bits/functexcept.h>
-#include <bits/atomicity.h>
-
-namespace std
-{
+#include <bits/c++locale.h> // Defines __c_locale, config-specific include
+#include <iosfwd> // For ostreambuf_iterator, istreambuf_iterator
+#include <cctype>
+
+_GLIBCXX_BEGIN_NAMESPACE(std)
+
// 22.1.1 Locale
class locale;
+ template<typename _Facet>
+ bool
+ has_facet(const locale&) throw();
+
+ template<typename _Facet>
+ const _Facet&
+ use_facet(const locale&);
+
// 22.1.3 Convenience interfaces
- template<typename _CharT>
- inline bool
+ template<typename _CharT>
+ bool
isspace(_CharT, const locale&);
- template<typename _CharT>
- inline bool
+ template<typename _CharT>
+ bool
isprint(_CharT, const locale&);
- template<typename _CharT>
- inline bool
+ template<typename _CharT>
+ bool
iscntrl(_CharT, const locale&);
- template<typename _CharT>
- inline bool
+ template<typename _CharT>
+ bool
isupper(_CharT, const locale&);
- template<typename _CharT>
- inline bool
+ template<typename _CharT>
+ bool
islower(_CharT, const locale&);
- template<typename _CharT>
- inline bool
+ template<typename _CharT>
+ bool
isalpha(_CharT, const locale&);
- template<typename _CharT>
- inline bool
+ template<typename _CharT>
+ bool
isdigit(_CharT, const locale&);
- template<typename _CharT>
- inline bool
+ template<typename _CharT>
+ bool
ispunct(_CharT, const locale&);
- template<typename _CharT>
- inline bool
+ template<typename _CharT>
+ bool
isxdigit(_CharT, const locale&);
- template<typename _CharT>
- inline bool
+ template<typename _CharT>
+ bool
isalnum(_CharT, const locale&);
- template<typename _CharT>
- inline bool
+ template<typename _CharT>
+ bool
isgraph(_CharT, const locale&);
- template<typename _CharT>
- inline _CharT
+ template<typename _CharT>
+ _CharT
toupper(_CharT, const locale&);
- template<typename _CharT>
- inline _CharT
+ template<typename _CharT>
+ _CharT
tolower(_CharT, const locale&);
-
// 22.2.1 and 22.2.1.3 ctype
class ctype_base;
- template<typename _CharT>
+ template<typename _CharT>
class ctype;
template<> class ctype<char>;
-#ifdef _GLIBCPP_USE_WCHAR_T
+#ifdef _GLIBCXX_USE_WCHAR_T
template<> class ctype<wchar_t>;
#endif
- template<typename _CharT>
+ template<typename _CharT>
class ctype_byname;
// NB: Specialized for char and wchar_t in locale_facets.h.
class codecvt_base;
- class __enc_traits;
template<typename _InternT, typename _ExternT, typename _StateT>
class codecvt;
template<> class codecvt<char, char, mbstate_t>;
-#ifdef _GLIBCPP_USE_WCHAR_T
+#ifdef _GLIBCXX_USE_WCHAR_T
template<> class codecvt<wchar_t, char, mbstate_t>;
#endif
template<typename _InternT, typename _ExternT, typename _StateT>
class codecvt_byname;
// 22.2.2 and 22.2.3 numeric
+_GLIBCXX_BEGIN_LDBL_NAMESPACE
template<typename _CharT, typename _InIter = istreambuf_iterator<_CharT> >
class num_get;
template<typename _CharT, typename _OutIter = ostreambuf_iterator<_CharT> >
class num_put;
+_GLIBCXX_END_LDBL_NAMESPACE
template<typename _CharT> class numpunct;
template<typename _CharT> class numpunct_byname;
// 22.2.4 collation
- template<typename _CharT>
+ template<typename _CharT>
class collate;
- template<typename _CharT> class
+ template<typename _CharT> class
collate_byname;
// 22.2.5 date and time
// 22.2.6 money
class money_base;
+_GLIBCXX_BEGIN_LDBL_NAMESPACE
template<typename _CharT, typename _InIter = istreambuf_iterator<_CharT> >
class money_get;
template<typename _CharT, typename _OutIter = ostreambuf_iterator<_CharT> >
class money_put;
- template<typename _CharT, bool _Intl = false>
+_GLIBCXX_END_LDBL_NAMESPACE
+ template<typename _CharT, bool _Intl = false>
class moneypunct;
- template<typename _CharT, bool _Intl = false>
+ template<typename _CharT, bool _Intl = false>
class moneypunct_byname;
// 22.2.7 message retrieval
class messages_base;
- template<typename _CharT>
+ template<typename _CharT>
class messages;
- template<typename _CharT>
+ template<typename _CharT>
class messages_byname;
- // 22.1.1 Class locale
- class locale
- {
- public:
- // Types:
- typedef unsigned int category;
-
- // Forward decls and friends:
- class facet;
- class id;
- class _Impl;
-
- friend class facet;
- friend class _Impl;
-
- template<typename _Facet>
- friend const _Facet&
- use_facet(const locale&);
-
- template<typename _Facet>
- friend bool
- has_facet(const locale&) throw();
-
- // Category values:
- // NB: Order must match _S_facet_categories definition in locale.cc
- static const category none = 0;
- static const category ctype = 1L << 0;
- static const category numeric = 1L << 1;
- static const category collate = 1L << 2;
- static const category time = 1L << 3;
- static const category monetary = 1L << 4;
- static const category messages = 1L << 5;
- static const category all = (ctype | numeric | collate |
- time | monetary | messages);
-
- // Construct/copy/destroy:
- locale() throw();
-
- locale(const locale& __other) throw();
-
- explicit
- locale(const char* __s);
-
- locale(const locale& __base, const char* __s, category __cat);
-
- locale(const locale& __base, const locale& __add, category __cat);
-
- template<typename _Facet>
- locale(const locale& __other, _Facet* __f);
-
- ~locale() throw();
-
- const locale&
- operator=(const locale& __other) throw();
-
- template<typename _Facet>
- locale
- combine(const locale& __other) const;
-
- // Locale operations:
- string
- name() const;
-
- bool
- operator==(const locale& __other) const throw ();
-
- inline bool
- operator!=(const locale& __other) const throw ()
- { return !(this->operator==(__other)); }
-
- template<typename _Char, typename _Traits, typename _Alloc>
- bool
- operator()(const basic_string<_Char, _Traits, _Alloc>& __s1,
- const basic_string<_Char, _Traits, _Alloc>& __s2) const;
-
- // Global locale objects:
- static locale
- global(const locale&);
-
- static const locale&
- classic();
-
- private:
- // The (shared) implementation
- _Impl* _M_impl;
-
- // The "C" reference locale
- static _Impl* _S_classic;
-
- // Current global locale
- static _Impl* _S_global;
-
- // Number of standard categories. For C++, these categories are
- // collate, ctype, monetary, numeric, time, and messages. These
- // directly correspond to ISO C99 macros LC_COLLATE, LC_CTYPE,
- // LC_MONETARY, LC_NUMERIC, and LC_TIME. In addition, POSIX (IEEE
- // 1003.1-2001) specifies LC_MESSAGES.
- static const size_t _S_categories_size = 6;
-
- // In addition to the standard categories, the underlying
- // operating system is allowed to define extra LC_*
- // macros. For GNU systems, the following are also valid:
- // LC_PAPER, LC_NAME, LC_ADDRESS, LC_TELEPHONE, LC_MEASUREMENT,
- // and LC_IDENTIFICATION.
- static const size_t _S_extra_categories_size = _GLIBCPP_NUM_CATEGORIES;
-
- // Names of underlying locale categories.
- // NB: locale::global() has to know how to modify all the
- // underlying categories, not just the ones required by the C++
- // standard.
- static const char* _S_categories[_S_categories_size
- + _S_extra_categories_size];
-
- explicit
- locale(_Impl*) throw();
-
- static inline void
- _S_initialize()
- {
- if (!_S_classic)
- classic();
- }
-
- static category
- _S_normalize_category(category);
-
- void
- _M_coalesce(const locale& __base, const locale& __add, category __cat);
- };
-
-
- // Implementation object for locale
- class locale::_Impl
- {
- public:
- // Friends.
- friend class locale;
- friend class locale::facet;
-
- template<typename _Facet>
- friend const _Facet&
- use_facet(const locale&);
-
- template<typename _Facet>
- friend bool
- has_facet(const locale&) throw();
-
- private:
- // Data Members.
- _Atomic_word _M_references;
- facet** _M_facets;
- size_t _M_facets_size;
-
- char* _M_names[_S_categories_size
- + _S_extra_categories_size];
- static const locale::id* const _S_id_ctype[];
- static const locale::id* const _S_id_numeric[];
- static const locale::id* const _S_id_collate[];
- static const locale::id* const _S_id_time[];
- static const locale::id* const _S_id_monetary[];
- static const locale::id* const _S_id_messages[];
- static const locale::id* const* const _S_facet_categories[];
-
- inline void
- _M_add_reference() throw()
- { __atomic_add(&_M_references, 1); }
-
- inline void
- _M_remove_reference() throw()
- {
- if (__exchange_and_add(&_M_references, -1) == 1)
- {
- try
- { delete this; }
- catch(...)
- { }
- }
- }
-
- _Impl(const _Impl&, size_t);
- _Impl(const char*, size_t);
- _Impl(facet**, size_t, bool);
-
- ~_Impl() throw();
-
- _Impl(const _Impl&); // Not defined.
-
- void
- operator=(const _Impl&); // Not defined.
-
- inline bool
- _M_check_same_name()
- {
- bool __ret = true;
- for (size_t __i = 0;
- __ret && __i < _S_categories_size + _S_extra_categories_size - 1;
- ++__i)
- __ret &= (strcmp(_M_names[__i], _M_names[__i + 1]) == 0);
- return __ret;
- }
-
- void
- _M_replace_categories(const _Impl*, category);
-
- void
- _M_replace_category(const _Impl*, const locale::id* const*);
-
- void
- _M_replace_facet(const _Impl*, const locale::id*);
-
- void
- _M_install_facet(const locale::id*, facet*);
-
- template<typename _Facet>
- inline void
- _M_init_facet(_Facet* __facet)
- { _M_install_facet(&_Facet::id, __facet); }
- };
-
- template<typename _Facet>
- locale::locale(const locale& __other, _Facet* __f)
- {
- _M_impl = new _Impl(*__other._M_impl, 1);
- _M_impl->_M_install_facet(&_Facet::id, __f);
- for (size_t __i = 0;
- __i < _S_categories_size + _S_extra_categories_size; ++__i)
- {
- delete [] _M_impl->_M_names[__i];
- char* __new = new char[2];
- strcpy(__new, "*");
- _M_impl->_M_names[__i] = __new;
- }
- }
-
- // 22.1.1.1.2 Class locale::facet
- class locale::facet
- {
- private:
- friend class locale;
- friend class locale::_Impl;
-
- _Atomic_word _M_references;
-
- protected:
- // Contains data from the underlying "C" library for for the
- // classic locale.
- static __c_locale _S_c_locale;
-
- // String literal for the name of the classic locale.
- static char _S_c_name[2];
-
- explicit
- facet(size_t __refs = 0) throw();
-
- virtual
- ~facet();
-
- static void
- _S_create_c_locale(__c_locale& __cloc, const char* __s,
- __c_locale __old = 0);
-
- static __c_locale
- _S_clone_c_locale(__c_locale& __cloc);
-
- static void
- _S_destroy_c_locale(__c_locale& __cloc);
-
- private:
- void
- _M_add_reference() throw();
-
- void
- _M_remove_reference() throw();
-
- facet(const facet&); // Not defined.
-
- void
- operator=(const facet&); // Not defined.
- };
-
-
- // 22.1.1.1.3 Class locale::id
- class locale::id
- {
- private:
- friend class locale;
- friend class locale::_Impl;
- template<typename _Facet>
- friend const _Facet&
- use_facet(const locale&);
- template<typename _Facet>
- friend bool
- has_facet(const locale&) throw ();
-
- // NB: There is no accessor for _M_index because it may be used
- // before the constructor is run; the effect of calling a member
- // function (even an inline) would be undefined.
- mutable size_t _M_index;
-
- // Last id number assigned.
- static _Atomic_word _S_highwater;
-
- void
- operator=(const id&); // Not defined.
-
- id(const id&); // Not defined.
-
- public:
- // NB: This class is always a static data member, and thus can be
- // counted on to be zero-initialized.
- id();
-
- inline size_t
- _M_id() const
- {
- if (!_M_index)
- _M_index = 1 + __exchange_and_add(&_S_highwater, 1);
- return _M_index - 1;
- }
- };
-
- template<typename _Facet>
- const _Facet&
- use_facet(const locale& __loc);
-
- template<typename _Facet>
- bool
- has_facet(const locale& __loc) throw();
-} // namespace std
+_GLIBCXX_END_NAMESPACE
#endif
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