williamr@2: /*
williamr@4:  * Portions Copyright (c) 2008 Nokia Corporation and/or its subsidiary(-ies). All rights reserved.
williamr@4:  *
williamr@4:  * Copyright (c) 1999 
williamr@4:  * 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@4:  * 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@4:  */
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@4: #ifndef _STLP_INTERNAL_CSTDLIB
williamr@4: #  include <stl/_cstdlib.h>
williamr@2: #endif
williamr@2: 
williamr@4: #ifndef _STLP_INTERNAL_CWCHAR
williamr@4: #  include <stl/_cwchar.h>
williamr@2: #endif
williamr@2: 
williamr@2: #ifndef _STLP_INTERNAL_THREADS_H
williamr@4: #  include <stl/_threads.h>
williamr@2: #endif
williamr@2: 
williamr@2: #ifndef _STLP_STRING_FWD_H
williamr@4: #  include <stl/_string_fwd.h>
williamr@2: #endif
williamr@2: 
williamr@2: _STLP_BEGIN_NAMESPACE
williamr@2: 
williamr@4: class _Locale_impl;        // Forward declaration of opaque type.
williamr@4: class ios_base;
williamr@4: class locale;
williamr@2: 
williamr@2: template <class _CharT, class _Traits, class _Alloc>
williamr@4: bool __locale_do_operator_call (const locale& __loc,
williamr@4:                                 const basic_string<_CharT, _Traits, _Alloc>& __x,
williamr@4:                                 const basic_string<_CharT, _Traits, _Alloc>& __y);
williamr@2: 
williamr@4: _STLP_DECLSPEC _Locale_impl * _STLP_CALL _get_Locale_impl( _Locale_impl *locimpl );
williamr@4: _STLP_DECLSPEC _Locale_impl * _STLP_CALL _copy_Nameless_Locale_impl( _Locale_impl *locimpl );
williamr@4: 
williamr@4: template <class _Facet>
williamr@4: bool _HasFacet(const locale& __loc, const _Facet*  /*__facet */ ) _STLP_NOTHROW;
williamr@4: 
williamr@4: template <class _Facet>
williamr@4: _Facet* _UseFacet(const locale& __loc, const _Facet* /* __facet */);
williamr@4: 
williamr@4: #if defined (_STLP_USE_MSVC6_MEM_T_BUG_WORKAROUND)
williamr@4: #  define locale _STLP_NO_MEM_T_NAME(loc)
williamr@4: #endif
williamr@2: 
williamr@2: class _STLP_CLASS_DECLSPEC locale {
williamr@2: public:
williamr@2:   // types:
williamr@4:   class _STLP_CLASS_DECLSPEC facet : protected _Refcount_Base {
williamr@2:   protected:
williamr@4:     /* Here we filter __init_count user value to 0 or 1 because __init_count is a
williamr@4:      * size_t instance and _Refcount_Base use __stl_atomic_t instances that might
williamr@4:      * have lower sizeof and generate roll issues. 1 is enough to keep the facet
williamr@4:      * alive when required.
williamr@4:      */
williamr@4:     explicit facet(size_t __init_count = 0) : _Refcount_Base( __init_count == 0 ? 0 : 1 )
williamr@4:     	{ if (__init_count ) {/* do nothing. to avoid warnings */} }
williamr@2:     _STLP_DECLSPEC virtual ~facet();
williamr@2:     friend class locale;
williamr@2:     friend class _Locale_impl;
williamr@4:     friend facet * _STLP_CALL _get_facet( facet * );
williamr@4:     friend void _STLP_CALL _release_facet( facet *& );
williamr@4: 
williamr@2:   private:                        // Invalidate assignment and copying.
williamr@4:     facet(const facet& ) /* : _Refcount_Base(1) {} */;
williamr@4:     void operator=(const facet&);
williamr@2:   };
williamr@4: 
williamr@4: #if defined (__MVS__) || defined (__OS400__)
williamr@2:   struct
williamr@2: #else
williamr@2:   class
williamr@2: #endif
williamr@4:   _STLP_CLASS_DECLSPEC id {
williamr@2:     friend class locale;
williamr@2:     friend class _Locale_impl;
williamr@2:   public:
williamr@2:     size_t _M_index;
williamr@4: #if defined(__SYMBIAN32__WSD__)
williamr@4:     static inline 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@4: #if defined (_STLP_STATIC_CONST_INIT_BUG)
williamr@2:   enum _Category {
williamr@4: #else
williamr@2:   static const category
williamr@4: #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@4: #if defined (_STLP_STATIC_CONST_INIT_BUG)
williamr@2:   }
williamr@4: #endif
williamr@2:   ;
williamr@2: 
williamr@2:   // construct/copy/destroy:
williamr@4:   _STLP_DECLSPEC locale() _STLP_NOTHROW;
williamr@2:   _STLP_DECLSPEC locale(const locale&) _STLP_NOTHROW;
williamr@4:   _STLP_DECLSPEC explicit locale(const char *);
williamr@2:   locale(const locale&, const char*, category);
williamr@2: 
williamr@4: #if defined(__SYMBIAN32__WSD__) || defined (__SYMBIAN32__NO_STATIC_IMPORTS__) 
williamr@4: #define id GetFacetLocaleId()
williamr@4: #endif
williamr@4: 
williamr@4: #if defined (_STLP_MEMBER_TEMPLATES) && !defined (_STLP_USE_MSVC6_MEM_T_BUG_WORKAROUND)
williamr@4:   template <class _Facet>
williamr@4:   locale(const locale& __loc, _Facet* __f) {
williamr@4:     if ( __f != 0 ) {
williamr@4:       this->_M_impl = _get_Locale_impl( _copy_Nameless_Locale_impl( __loc._M_impl ) );
williamr@4:       this->_M_insert(__f, _Facet::id);
williamr@4:     } else {
williamr@4:       this->_M_impl = _get_Locale_impl( __loc._M_impl );
williamr@4:     }
williamr@4:   }
williamr@4: #if defined(__SYMBIAN32__WSD__) || defined (__SYMBIAN32__NO_STATIC_IMPORTS__) 
williamr@4: #undef id 
williamr@4: #endif
williamr@4: #endif // _STLP_MEMBER_TEMPLATES
williamr@4: 
williamr@4: protected:
williamr@2:   // those are for internal use
williamr@2:   locale(_Locale_impl*);
williamr@2: 
williamr@2: public:
williamr@2: 
williamr@2:   locale(const locale&, const locale&, category);
williamr@2:   _STLP_DECLSPEC const locale& operator=(const locale&) _STLP_NOTHROW;
williamr@2: 
williamr@4: #if defined (_STLP_USE_MSVC6_MEM_T_BUG_WORKAROUND)
williamr@4:   virtual
williamr@2: #endif
williamr@4:    _STLP_DECLSPEC ~locale() _STLP_NOTHROW;
williamr@4: 
williamr@4: #if defined (_STLP_MEMBER_TEMPLATES) && !defined (_STLP_NO_EXPLICIT_FUNCTION_TMPL_ARGS) && \
williamr@4:    !defined(_STLP_USE_MSVC6_MEM_T_BUG_WORKAROUND)
williamr@4:   template <class _Facet>
williamr@4:   locale combine(const locale& __loc) const {
williamr@4:     _Facet *__facet = 0;
williamr@4:     if (!_HasFacet(__loc, __facet))
williamr@4:       _M_throw_runtime_error();
williamr@4: 
williamr@4:     return locale(*this, _UseFacet(__loc, __facet));
williamr@2:   }
williamr@4: #endif // _STLP_MEMBER_TEMPLATES && !_STLP_NO_EXPLICIT_FUNCTION_TMPL_ARGS
williamr@4: 
williamr@2:   // locale operations:
williamr@4:   _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@4: #if !defined (_STLP_MEMBER_TEMPLATES) || defined (_STLP_INLINE_MEMBER_TEMPLATES) || (defined(__MWERKS__) && __MWERKS__ <= 0x2301)
williamr@4:   _STLP_DECLSPEC bool operator()(const string& __x, const string& __y) const;
williamr@2: #  ifndef _STLP_NO_WCHAR_T
williamr@4:   _STLP_DECLSPEC bool operator()(const wstring& __x, const wstring& __y) const;
williamr@2: #  endif
williamr@4: #elif !defined (_STLP_USE_MSVC6_MEM_T_BUG_WORKAROUND)
williamr@2:   template <class _CharT, class _Traits, class _Alloc>
williamr@2:   bool operator()(const basic_string<_CharT, _Traits, _Alloc>& __x,
williamr@4:                   const basic_string<_CharT, _Traits, _Alloc>& __y) const
williamr@4:   { return __locale_do_operator_call(*this, __x, __y); }
williamr@4: #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@4: //protected:                         // 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@4:   _STLP_DECLSPEC static void _STLP_FUNCTION_THROWS _M_throw_runtime_error(const char* = 0);
williamr@2: 
williamr@4: protected:                        // More helper functions.
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 ios_base;
williamr@2: 
williamr@4: protected:                        // Data members
williamr@2:   _Locale_impl* _M_impl;
williamr@4:   _Locale_impl* _M_get_impl() const { return _M_impl; }
williamr@2: };
williamr@2: 
williamr@4: #if defined (_STLP_USE_MSVC6_MEM_T_BUG_WORKAROUND)
williamr@4: #  undef locale
williamr@4: #  define _Locale _STLP_NO_MEM_T_NAME(loc)
williamr@4: 
williamr@4: class locale : public _Locale {
williamr@4: public:
williamr@4: 
williamr@4:   // construct/copy/destroy:
williamr@4:   _STLP_DECLSPEC locale() _STLP_NOTHROW {}
williamr@4:   locale(const locale& __loc) _STLP_NOTHROW : _Locale(__loc) {}
williamr@4:   explicit locale(const char *__str) : _Locale(__str) {}
williamr@4:   locale(const locale& __loc, const char* __str, category __cat)
williamr@4:     : _Locale(__loc, __str, __cat) {}
williamr@4: 
williamr@4:   template <class _Facet>
williamr@4:   locale(const locale& __loc, _Facet* __f) {
williamr@4:     if ( __f != 0 ) {
williamr@4:       this->_M_impl = _get_Locale_impl( _copy_Nameless_Locale_impl( __loc._M_impl ) );
williamr@4:       this->_M_insert(__f, _Facet::id);
williamr@4:     } else {
williamr@4:       this->_M_impl = _get_Locale_impl( __loc._M_impl );
williamr@4:     }
williamr@4:   }
williamr@4: 
williamr@4: private:
williamr@4:   // those are for internal use
williamr@4:   locale(_Locale_impl* __impl) : _Locale(__impl) {}
williamr@4:   locale(const _Locale& __loc) : _Locale(__loc) {}
williamr@4: 
williamr@4: public:
williamr@4: 
williamr@4:   locale(const locale& __loc1, const locale& __loc2, category __cat)
williamr@4:     : _Locale(__loc1, __loc2, __cat) {}
williamr@4: 
williamr@4:   const locale& operator=(const locale& __loc) _STLP_NOTHROW {
williamr@4:     _Locale::operator=(__loc);
williamr@4:     return *this;
williamr@4:   }
williamr@4: 
williamr@4:   template <class _Facet>
williamr@4:   locale combine(const locale& __loc) const {
williamr@4:     _Facet *__facet = 0;
williamr@4:     if (!_HasFacet(__loc, __facet))
williamr@4:       _M_throw_runtime_error();
williamr@4: 
williamr@4:     return locale(*this, _UseFacet(__loc, __facet));
williamr@4:   }
williamr@4: 
williamr@4:   // locale operations:
williamr@4:   bool operator==(const locale& __loc) const { return _Locale::operator==(__loc); }
williamr@4:   bool operator!=(const locale& __loc) const { return _Locale::operator!=(__loc); }
williamr@4: 
williamr@4:   template <class _CharT, class _Traits, class _Alloc>
williamr@4:   bool operator()(const basic_string<_CharT, _Traits, _Alloc>& __x,
williamr@4:                   const basic_string<_CharT, _Traits, _Alloc>& __y) const
williamr@4:   { return __locale_do_operator_call(*this, __x, __y); }
williamr@4: 
williamr@4:   // global locale objects:
williamr@4:   static locale _STLP_CALL global(const locale& __loc) {
williamr@4:     return _Locale::global(__loc);
williamr@4:   }
williamr@4:   static const locale& _STLP_CALL classic() {
williamr@4:     return __STATIC_CAST(const locale&, _Locale::classic());
williamr@4:   }
williamr@4: 
williamr@4:   // friends:
williamr@4:   friend class _Locale_impl;
williamr@4:   friend class ios_base;
williamr@4: };
williamr@4: 
williamr@4: #endif /* _STLP_USE_MSVC6_MEM_T_BUG_WORKAROUND */
williamr@4: 
williamr@2: //----------------------------------------------------------------------
williamr@2: // locale globals
williamr@2: 
williamr@4: #ifdef _STLP_NO_EXPLICIT_FUNCTION_TMPL_ARGS
williamr@2: template <class _Facet>
williamr@4: inline const _Facet&
williamr@2: _Use_facet<_Facet>::operator *() const
williamr@4: #else
williamr@2: template <class _Facet> inline const _Facet& use_facet(const locale& __loc)
williamr@4: #endif
williamr@2: {
williamr@4:   _Facet *__facet = 0;
williamr@4:   return *_UseFacet(__loc, __facet);
williamr@2: }
williamr@2: 
williamr@4: 
williamr@4: #ifdef _STLP_NO_EXPLICIT_FUNCTION_TMPL_ARGS
williamr@4: 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@4: #else
williamr@4: template <class _Facet> inline bool has_facet(const locale& __loc) _STLP_NOTHROW
williamr@4: #endif
williamr@2: {
williamr@4:   _Facet *__facet = 0;
williamr@4:   return _HasFacet(__loc, __facet);
williamr@2: }
williamr@2: 
williamr@4: #ifdef _STLP_NO_EXPLICIT_FUNCTION_TMPL_ARGS
williamr@4: }; // close class definition
williamr@4: #endif
williamr@4: #if defined(__SYMBIAN32__WSD__) || defined (__SYMBIAN32__NO_STATIC_IMPORTS__) 
williamr@4: #define id GetFacetLocaleId()
williamr@4: #endif
williamr@2: 
williamr@4: template <class _Facet>
williamr@4: bool _HasFacet(const locale& __loc, const _Facet* ) _STLP_NOTHROW
williamr@4: { return (__loc._M_get_facet(_Facet::id) != 0); }
williamr@4: 
williamr@4: template <class _Facet>
williamr@4: _Facet* _UseFacet(const locale& __loc, const _Facet* )
williamr@4: { return __STATIC_CAST(_Facet*, __loc._M_use_facet(_Facet::id)); }
williamr@4: 
williamr@4: #if defined(__SYMBIAN32__WSD__)  || defined (__SYMBIAN32__NO_STATIC_IMPORTS__) 
williamr@4: #undef id 
williamr@4: #endif
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: