williamr@2: /*
williamr@2:  * © Portions copyright (c) 2006-2007 Nokia Corporation.  All rights reserved.
williamr@2:  *
williamr@2:  * Copyright (c) 1999
williamr@2:  * Silicon Graphics Computer Systems, Inc.
williamr@2:  *
williamr@2:  * Copyright (c) 1999 
williamr@2:  * Boris Fomitchev
williamr@2:  *
williamr@2:  * This material is provided "as is", with absolutely no warranty expressed
williamr@2:  * or implied. Any use is at your own risk.
williamr@2:  *
williamr@2:  * Permission to use or copy this software for any purpose is hereby granted 
williamr@2:  * without fee, provided the above notices are retained on all copies.
williamr@2:  * Permission to modify the code and to distribute modified code is granted,
williamr@2:  * provided the above notices are retained, and a notice that the code was
williamr@2:  * modified is included with the above copyright notice.
williamr@2:  *
williamr@2:  */ 
williamr@2: // WARNING: This is an internal header file, included by other C++
williamr@2: // standard library headers.  You should not attempt to use this header
williamr@2: // file directly.
williamr@2: 
williamr@2: 
williamr@2: #ifndef _STLP_INTERNAL_LOCALE_H
williamr@2: #define _STLP_INTERNAL_LOCALE_H
williamr@2: 
williamr@2: #ifndef _STLP_CSTDLIB
williamr@2: # include <cstdlib>
williamr@2: #endif
williamr@2: 
williamr@2: #ifndef _STLP_CWCHAR_H
williamr@2: # include <stl/_cwchar.h>
williamr@2: #endif
williamr@2: 
williamr@2: #ifndef _STLP_INTERNAL_THREADS_H
williamr@2: # include <stl/_threads.h>
williamr@2: #endif
williamr@2: 
williamr@2: #ifndef _STLP_STRING_FWD_H
williamr@2: # include <stl/_string_fwd.h>
williamr@2: #endif
williamr@2: 
williamr@2: _STLP_BEGIN_NAMESPACE
williamr@2: 
williamr@2: class _STLP_CLASS_DECLSPEC _Locale_impl;             // Forward declaration of opaque type.
williamr@2: class _STLP_CLASS_DECLSPEC _Locale;             // Forward declaration of opaque type.
williamr@2: class _STLP_CLASS_DECLSPEC locale;
williamr@2: class _STLP_CLASS_DECLSPEC ios_base;
williamr@2: 
williamr@2: 
williamr@2: template <class _CharT, class _Traits, class _Alloc>
williamr@2: bool 
williamr@2: __locale_do_operator_call (const locale* __that, 
williamr@2:                            const basic_string<_CharT, _Traits, _Alloc >& __x,
williamr@2:                            const basic_string<_CharT, _Traits, _Alloc >& __y);
williamr@2: 
williamr@2: #  define _BaseFacet locale::facet
williamr@2: 
williamr@2: class _STLP_CLASS_DECLSPEC locale {
williamr@2: public:
williamr@2:   // types:
williamr@2: 
williamr@2:   class 
williamr@2: #if defined (__SYMBIAN32__) || defined(__GCCE__)
williamr@2:   _STLP_CLASS_DECLSPEC  
williamr@2: #else
williamr@2:     _STLP_DECLSPEC 
williamr@2: #endif
williamr@2:   facet : private _Refcount_Base {
williamr@2:   protected:
williamr@2:     explicit facet(size_t __no_del = 0) : _Refcount_Base(1), _M_delete(__no_del == 0) {}
williamr@2: 
williamr@2:     _STLP_DECLSPEC virtual ~facet();
williamr@2:     friend class locale;
williamr@2:     friend class _Locale_impl;
williamr@2:     friend class _Locale;
williamr@2:     
williamr@2:   private:                        // Invalidate assignment and copying.
williamr@2:     facet(const facet& __f) : _Refcount_Base(1), _M_delete(__f._M_delete == 0)  {};       
williamr@2:     void operator=(const facet&); 
williamr@2:     
williamr@2:   private:                        // Data members.
williamr@2:     const bool _M_delete;
williamr@2:   };
williamr@2:   
williamr@2: #if defined(__MVS__) || defined(__OS400__)
williamr@2:   struct
williamr@2: #else
williamr@2:   class
williamr@2: #endif
williamr@2:   _STLP_DECLSPEC id {
williamr@2:     friend class locale;
williamr@2:     friend class _Locale_impl;
williamr@2:   public:
williamr@2:     size_t _M_index;
williamr@2: #if defined(__LIBSTD_CPP_SYMBIAN32_WSD__) || defined(_STLP_LIBSTD_CPP_NO_STATIC_VAR_)
williamr@2:    static _STLP_STATIC_MEMBER_DECLSPEC size_t& get_locale_id_S_max();
williamr@2: # else
williamr@2:     static size_t _S_max;
williamr@2: # endif
williamr@2:   };
williamr@2: 
williamr@2:   typedef int category;
williamr@2: # if defined (_STLP_STATIC_CONST_INIT_BUG)
williamr@2:   enum _Category {
williamr@2: # else
williamr@2:   static const category
williamr@2: # endif
williamr@2:     none      = 0x000,
williamr@2:     collate   = 0x010,
williamr@2:     ctype     = 0x020,
williamr@2:     monetary  = 0x040,
williamr@2:     numeric   = 0x100,
williamr@2:     time      = 0x200,
williamr@2:     messages  = 0x400,
williamr@2:     all       = collate | ctype | monetary | numeric | time | messages
williamr@2: # if defined (_STLP_STATIC_CONST_INIT_BUG)
williamr@2:   }
williamr@2: # endif
williamr@2:   ;
williamr@2: 
williamr@2:   // construct/copy/destroy:
williamr@2:   _STLP_DECLSPEC locale();
williamr@2:   _STLP_DECLSPEC locale(const locale&) _STLP_NOTHROW;
williamr@2:   explicit locale(const char *);
williamr@2:   locale(const locale&, const char*, category);
williamr@2: 
williamr@2:   // those are for internal use
williamr@2:   locale(_Locale_impl*);
williamr@2:   locale(_Locale_impl*, bool);
williamr@2: 
williamr@2: public:
williamr@2: 
williamr@2: # if defined ( _STLP_MEMBER_TEMPLATES ) /* && defined (_STLP_FUNCTION_TMPL_PARTIAL_ORDER) */
williamr@2:   template <class _Facet> 
williamr@2:   locale(const locale& __loc, _Facet* __f) : _M_impl(0)
williamr@2:     {
williamr@2:       //      _M_impl = this->_S_copy_impl(__loc._M_impl, __f != 0);
williamr@2:       new(this) locale(__loc._M_impl, __f != 0);
williamr@2:       if (__f != 0)
williamr@2:         this->_M_insert((facet*)__f, _Facet::GetFacetLocaleId());
williamr@2:     }
williamr@2: # endif
williamr@2: 
williamr@2:   locale(const locale&, const locale&, category);
williamr@2:   _STLP_DECLSPEC ~locale() _STLP_NOTHROW;
williamr@2:   _STLP_DECLSPEC const locale& operator=(const locale&) _STLP_NOTHROW;
williamr@2: 
williamr@2: # if !(defined (_STLP_NO_MEMBER_TEMPLATES) || defined (_STLP_NO_EXPLICIT_FUNCTION_TMPL_ARGS))
williamr@2:   template <class _Facet> locale combine(const locale& __loc) const{
williamr@2:     locale __result(__loc._M_impl, true);
williamr@2: #if defined(__LIBSTD_CPP_SYMBIAN32_WSD__) || defined(_STLP_LIBSTD_CPP_NO_STATIC_VAR_)
williamr@2:     if (facet* __f = __loc._M_get_facet(_Facet::GetFacetLocaleId())) {
williamr@2:       __result._M_insert((facet*)__f, _Facet::GetFacetLocaleId());
williamr@2: #else
williamr@2:     if (facet* __f = __loc._M_get_facet(_Facet::id)) {
williamr@2:       __result._M_insert((facet*)__f, _Facet::id);
williamr@2: #endif
williamr@2:       __f->_M_incr();
williamr@2:     }
williamr@2:     else
williamr@2:       _M_throw_runtime_error();    
williamr@2:     return __result;
williamr@2:   }
williamr@2: # endif
williamr@2:   // locale operations:
williamr@2:   _STLP_DECLSPEC string name() const;
williamr@2: 
williamr@2:   _STLP_DECLSPEC bool operator==(const locale&) const;
williamr@2:   _STLP_DECLSPEC bool operator!=(const locale&) const;
williamr@2: 
williamr@2: # if ! defined ( _STLP_MEMBER_TEMPLATES ) || defined (_STLP_INLINE_MEMBER_TEMPLATES) || (defined(__MWERKS__) && __MWERKS__ <= 0x2301)
williamr@2:   bool operator()(const string& __x, const string& __y) const;
williamr@2: #  ifndef _STLP_NO_WCHAR_T
williamr@2:   bool operator()(const wstring& __x, const wstring& __y) const;
williamr@2: #  endif
williamr@2: # else
williamr@2:   template <class _CharT, class _Traits, class _Alloc>
williamr@2:   bool operator()(const basic_string<_CharT, _Traits, _Alloc>& __x,
williamr@2:                   const basic_string<_CharT, _Traits, _Alloc>& __y) const  {
williamr@2:     return __locale_do_operator_call(this, __x, __y);
williamr@2:   }              
williamr@2: # endif
williamr@2: 
williamr@2:   // global locale objects:
williamr@2:   _STLP_DECLSPEC static locale _STLP_CALL global(const locale&);
williamr@2:   _STLP_DECLSPEC static const locale& _STLP_CALL classic();
williamr@2: 
williamr@2: public:                         // Helper functions for locale globals.
williamr@2:   _STLP_DECLSPEC facet* _M_get_facet(const id&) const;
williamr@2:   // same, but throws
williamr@2:   _STLP_DECLSPEC facet* _M_use_facet(const id&) const;
williamr@2:   _STLP_DECLSPEC static void _STLP_CALL _M_throw_runtime_error(const char* = 0);
williamr@2:   static void _STLP_CALL _S_initialize();
williamr@2:   static void _STLP_CALL _S_uninitialize();
williamr@2: 
williamr@2: private:                        // More helper functions.
williamr@2:   //  static _Locale_impl* _STLP_CALL _S_copy_impl(_Locale_impl*, bool);
williamr@2:   _STLP_DECLSPEC void _M_insert(facet* __f, id& __id);
williamr@2: 
williamr@2:   // friends:
williamr@2:   friend class _Locale_impl;
williamr@2:   friend class _Locale;
williamr@2:   friend class ios_base;
williamr@2: 
williamr@2: private:                        // Data members
williamr@2:   _Locale_impl* _M_impl;
williamr@2: };
williamr@2: 
williamr@2: //----------------------------------------------------------------------
williamr@2: // locale globals
williamr@2: 
williamr@2: # ifdef _STLP_NO_EXPLICIT_FUNCTION_TMPL_ARGS
williamr@2: template <class _Facet>
williamr@2: inline const _Facet& 
williamr@2: _Use_facet<_Facet>::operator *() const
williamr@2: # else
williamr@2: template <class _Facet> inline const _Facet& use_facet(const locale& __loc)
williamr@2: # endif
williamr@2: {
williamr@2: #if defined(__LIBSTD_CPP_SYMBIAN32_WSD__) || defined(_STLP_LIBSTD_CPP_NO_STATIC_VAR_)
williamr@2:   return *__STATIC_CAST(const _Facet*,__loc._M_use_facet(_Facet::GetFacetLocaleId()));
williamr@2: #else
williamr@2:   return *__STATIC_CAST(const _Facet*,__loc._M_use_facet(_Facet::id));
williamr@2: #endif
williamr@2: }
williamr@2: 
williamr@2:  
williamr@2: # ifdef _STLP_NO_EXPLICIT_FUNCTION_TMPL_ARGS
williamr@2: template <class _Facet> 
williamr@2: struct has_facet {
williamr@2:   const locale& __loc;
williamr@2:   has_facet(const locale& __p_loc) : __loc(__p_loc) {}
williamr@2:   operator bool() const _STLP_NOTHROW
williamr@2: # else
williamr@2: template <class _Facet> inline bool has_facet(const locale& __loc) _STLP_NOTHROW 
williamr@2: # endif
williamr@2: {
williamr@2: #if defined(__LIBSTD_CPP_SYMBIAN32_WSD__) || defined(_STLP_LIBSTD_CPP_NO_STATIC_VAR_)
williamr@2:   return (__loc._M_get_facet(_Facet::GetFacetLocaleId()) != 0);
williamr@2: #else
williamr@2:   return (__loc._M_get_facet(_Facet::id) != 0);
williamr@2: #endif
williamr@2: }
williamr@2: 
williamr@2: # ifdef _STLP_NO_EXPLICIT_FUNCTION_TMPL_ARGS
williamr@2:   // close class definition
williamr@2: };
williamr@2: # endif
williamr@2: 
williamr@2: _STLP_END_NAMESPACE
williamr@2: 
williamr@2: #endif /* _STLP_INTERNAL_LOCALE_H */
williamr@2: 
williamr@2: // Local Variables:
williamr@2: // mode:C++
williamr@2: // End:
williamr@2: