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365 lines
12 KiB
C++
365 lines
12 KiB
C++
/*
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* Copyright (c) 1999
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* Silicon Graphics Computer Systems, Inc.
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*
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* Copyright (c) 1999
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* Boris Fomitchev
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*
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* This material is provided "as is", with absolutely no warranty expressed
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* or implied. Any use is at your own risk.
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*
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* Permission to use or copy this software for any purpose is hereby granted
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* without fee, provided the above notices are retained on all copies.
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* Permission to modify the code and to distribute modified code is granted,
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* provided the above notices are retained, and a notice that the code was
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* modified is included with the above copyright notice.
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*
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*/
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// WARNING: This is an internal header file, included by other C++
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// standard library headers. You should not attempt to use this header
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// file directly.
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#ifndef _STLP_INTERNAL_LOCALE_H
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#define _STLP_INTERNAL_LOCALE_H
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#ifndef _STLP_INTERNAL_CSTDLIB
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# include <stl/_cstdlib.h>
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#endif
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#ifndef _STLP_INTERNAL_CWCHAR
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# include <stl/_cwchar.h>
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#endif
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#ifndef _STLP_INTERNAL_THREADS_H
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# include <stl/_threads.h>
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#endif
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#ifndef _STLP_STRING_FWD_H
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# include <stl/_string_fwd.h>
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#endif
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#include <stl/_facets_fwd.h>
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_STLP_BEGIN_NAMESPACE
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class _Locale_impl; // Forward declaration of opaque type.
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class locale;
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template <class _CharT, class _Traits, class _Alloc>
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bool __locale_do_operator_call(const locale& __loc,
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const basic_string<_CharT, _Traits, _Alloc>& __x,
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const basic_string<_CharT, _Traits, _Alloc>& __y);
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_STLP_DECLSPEC _Locale_impl * _STLP_CALL _get_Locale_impl( _Locale_impl *locimpl );
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_STLP_DECLSPEC _Locale_impl * _STLP_CALL _copy_Nameless_Locale_impl( _Locale_impl *locimpl );
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_STLP_MOVE_TO_PRIV_NAMESPACE
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template <class _Facet>
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bool _HasFacet(const locale& __loc, const _Facet* __facet) _STLP_NOTHROW;
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template <class _Facet>
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_Facet* _UseFacet(const locale& __loc, const _Facet* __facet);
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template <class _Facet>
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void _InsertFacet(locale& __loc, _Facet* __facet);
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_STLP_MOVE_TO_STD_NAMESPACE
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#if defined (_STLP_USE_MSVC6_MEM_T_BUG_WORKAROUND) || \
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defined (_STLP_SIGNAL_RUNTIME_COMPATIBILITY) || defined (_STLP_CHECK_RUNTIME_COMPATIBILITY)
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# define locale _STLP_NO_MEM_T_NAME(loc)
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#endif
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class _STLP_CLASS_DECLSPEC locale {
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public:
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// types:
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class _STLP_CLASS_DECLSPEC facet : protected _Refcount_Base {
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protected:
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/* Here we filter __init_count user value to 0 or 1 because __init_count is a
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* size_t instance and _Refcount_Base use __stl_atomic_t instances that might
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* have lower sizeof and generate roll issues. 1 is enough to keep the facet
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* alive when required. */
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explicit facet(size_t __init_count = 0) : _Refcount_Base( __init_count == 0 ? 0 : 1 ) {}
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virtual ~facet();
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friend class locale;
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friend class _Locale_impl;
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friend facet * _STLP_CALL _get_facet( facet * );
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friend void _STLP_CALL _release_facet( facet *& );
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private: // Invalidate assignment and copying.
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facet(const facet& ) /* : _Refcount_Base(1) {} */;
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void operator=(const facet&);
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};
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#if defined (__MVS__) || defined (__OS400__)
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struct
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#else
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class
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#endif
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_STLP_CLASS_DECLSPEC id {
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public:
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size_t _M_index;
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static size_t _S_max;
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};
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typedef int category;
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_STLP_STATIC_CONSTANT(category, none = 0x000);
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_STLP_STATIC_CONSTANT(category, collate = 0x010);
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_STLP_STATIC_CONSTANT(category, ctype = 0x020);
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_STLP_STATIC_CONSTANT(category, monetary = 0x040);
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_STLP_STATIC_CONSTANT(category, numeric = 0x100);
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_STLP_STATIC_CONSTANT(category, time = 0x200);
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_STLP_STATIC_CONSTANT(category, messages = 0x400);
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_STLP_STATIC_CONSTANT(category, all = collate | ctype | monetary | numeric | time | messages);
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// construct/copy/destroy:
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locale() _STLP_NOTHROW;
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locale(const locale&) _STLP_NOTHROW;
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explicit locale(const char *);
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locale(const locale&, const char*, category);
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#if defined (_STLP_MEMBER_TEMPLATES) && !defined (_STLP_USE_MSVC6_MEM_T_BUG_WORKAROUND)
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template <class _Facet>
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locale(const locale& __loc, _Facet* __f) {
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if ( __f != 0 ) {
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this->_M_impl = _get_Locale_impl( _copy_Nameless_Locale_impl( __loc._M_impl ) );
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_STLP_PRIV _InsertFacet(*this, __f);
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} else {
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this->_M_impl = _get_Locale_impl( __loc._M_impl );
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}
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}
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#endif
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protected:
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// those are for internal use
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locale(_Locale_impl*);
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public:
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locale(const locale&, const locale&, category);
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const locale& operator=(const locale&) _STLP_NOTHROW;
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#if defined (_STLP_USE_MSVC6_MEM_T_BUG_WORKAROUND)
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protected:
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#endif
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~locale() _STLP_NOTHROW;
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public:
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#if defined (_STLP_MEMBER_TEMPLATES) && !defined (_STLP_NO_EXPLICIT_FUNCTION_TMPL_ARGS) && \
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!defined(_STLP_USE_MSVC6_MEM_T_BUG_WORKAROUND)
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template <class _Facet>
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locale combine(const locale& __loc) const {
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_Facet *__facet = 0;
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if (!_STLP_PRIV _HasFacet(__loc, __facet))
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_M_throw_on_combine_error(__loc.name());
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return locale(*this, _STLP_PRIV _UseFacet(__loc, __facet));
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}
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#endif
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// locale operations:
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string name() const;
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bool operator==(const locale&) const;
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bool operator!=(const locale&) const;
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#if !defined (_STLP_MEMBER_TEMPLATES) || defined (_STLP_INLINE_MEMBER_TEMPLATES) || (defined(__MWERKS__) && __MWERKS__ <= 0x2301)
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bool operator()(const string& __x, const string& __y) const;
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# ifndef _STLP_NO_WCHAR_T
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bool operator()(const wstring& __x, const wstring& __y) const;
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# endif
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#elif !defined (_STLP_USE_MSVC6_MEM_T_BUG_WORKAROUND)
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template <class _CharT, class _Traits, class _Alloc>
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bool operator()(const basic_string<_CharT, _Traits, _Alloc>& __x,
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const basic_string<_CharT, _Traits, _Alloc>& __y) const
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{ return __locale_do_operator_call(*this, __x, __y); }
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#endif
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// global locale objects:
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#if !defined (_STLP_USE_MSVC6_MEM_T_BUG_WORKAROUND)
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static locale _STLP_CALL global(const locale&);
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#else
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static _Locale_impl* _STLP_CALL global(const locale&);
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#endif
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static const locale& _STLP_CALL classic();
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//protected: // Helper functions for locale globals.
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facet* _M_get_facet(const id&) const;
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// same, but throws
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facet* _M_use_facet(const id&) const;
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static void _STLP_FUNCTION_THROWS _STLP_CALL _M_throw_on_combine_error(const string& name);
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static void _STLP_FUNCTION_THROWS _STLP_CALL _M_throw_on_null_name();
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static void _STLP_FUNCTION_THROWS _STLP_CALL _M_throw_on_creation_failure(int __err_code,
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const char* name, const char* facet);
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//protected: // More helper functions.
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void _M_insert(facet* __f, id& __id);
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// friends:
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friend class _Locale_impl;
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protected: // Data members
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_Locale_impl* _M_impl;
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_Locale_impl* _M_get_impl() const { return _M_impl; }
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};
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#if defined (_STLP_USE_MSVC6_MEM_T_BUG_WORKAROUND) || \
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defined (_STLP_SIGNAL_RUNTIME_COMPATIBILITY) || defined (_STLP_CHECK_RUNTIME_COMPATIBILITY)
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# undef locale
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# define _Locale _STLP_NO_MEM_T_NAME(loc)
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class locale : public _Locale {
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public:
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// construct/copy/destroy:
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locale() _STLP_NOTHROW {
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#if defined (_STLP_CHECK_RUNTIME_COMPATIBILITY)
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_STLP_CHECK_RUNTIME_COMPATIBILITY();
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#endif
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}
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locale(const locale& __loc) _STLP_NOTHROW : _Locale(__loc) {}
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explicit locale(const char *__str) : _Locale(__str) {}
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locale(const locale& __loc, const char* __str, category __cat)
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: _Locale(__loc, __str, __cat) {}
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template <class _Facet>
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locale(const locale& __loc, _Facet* __f)
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: _Locale(__f != 0 ? _copy_Nameless_Locale_impl(__loc._M_impl) : __loc._M_impl) {
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if ( __f != 0 ) {
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_STLP_PRIV _InsertFacet(*this, __f);
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}
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}
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private:
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// those are for internal use
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locale(_Locale_impl* __impl) : _Locale(__impl) {}
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locale(const _Locale& __loc) : _Locale(__loc) {}
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public:
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locale(const locale& __loc1, const locale& __loc2, category __cat)
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: _Locale(__loc1, __loc2, __cat) {}
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const locale& operator=(const locale& __loc) _STLP_NOTHROW {
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_Locale::operator=(__loc);
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return *this;
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}
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template <class _Facet>
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locale combine(const locale& __loc) const {
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_Facet *__facet = 0;
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if (!_STLP_PRIV _HasFacet(__loc, __facet))
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_M_throw_on_combine_error(__loc.name());
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return locale(*this, _STLP_PRIV _UseFacet(__loc, __facet));
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}
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// locale operations:
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bool operator==(const locale& __loc) const { return _Locale::operator==(__loc); }
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bool operator!=(const locale& __loc) const { return _Locale::operator!=(__loc); }
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template <class _CharT, class _Traits, class _Alloc>
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bool operator()(const basic_string<_CharT, _Traits, _Alloc>& __x,
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const basic_string<_CharT, _Traits, _Alloc>& __y) const
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{ return __locale_do_operator_call(*this, __x, __y); }
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// global locale objects:
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static locale _STLP_CALL global(const locale& __loc) {
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return _Locale::global(__loc);
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}
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static const locale& _STLP_CALL classic() {
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return __STATIC_CAST(const locale&, _Locale::classic());
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}
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// friends:
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friend class _Locale_impl;
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};
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# undef _Locale
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#endif
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//----------------------------------------------------------------------
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// locale globals
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template <class _Facet>
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inline const _Facet&
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#ifdef _STLP_NO_EXPLICIT_FUNCTION_TMPL_ARGS
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_Use_facet<_Facet>::operator *() const
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#else
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use_facet(const locale& __loc)
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#endif
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{
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_Facet *__facet = 0;
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return *(_STLP_PRIV _UseFacet(__loc, __facet));
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}
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template <class _Facet>
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#ifdef _STLP_NO_EXPLICIT_FUNCTION_TMPL_ARGS
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struct has_facet {
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const locale& __loc;
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has_facet(const locale& __p_loc) : __loc(__p_loc) {}
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operator bool() const _STLP_NOTHROW
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#else
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inline bool has_facet(const locale& __loc) _STLP_NOTHROW
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#endif
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{
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_Facet *__facet = 0;
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return _STLP_PRIV _HasFacet(__loc, __facet);
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}
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#ifdef _STLP_NO_EXPLICIT_FUNCTION_TMPL_ARGS
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}; // close class definition
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#endif
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_STLP_MOVE_TO_PRIV_NAMESPACE
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/* _GetFacetId is a helper function that allow delaying access to
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* facet id static instance in the library source code to avoid
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* the other static instances that many compilers are generating
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* in all dynamic library or executable when instanciating facet
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* template class.
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*/
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template <class _Facet>
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inline locale::id& _GetFacetId(const _Facet*)
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{ return _Facet::id; }
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_STLP_DECLSPEC locale::id& _STLP_CALL _GetFacetId(const money_get<char, istreambuf_iterator<char, char_traits<char> > >*);
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_STLP_DECLSPEC locale::id& _STLP_CALL _GetFacetId(const money_put<char, ostreambuf_iterator<char, char_traits<char> > >*);
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_STLP_DECLSPEC locale::id& _STLP_CALL _GetFacetId(const num_get<char, istreambuf_iterator<char, char_traits<char> > >*);
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_STLP_DECLSPEC locale::id& _STLP_CALL _GetFacetId(const num_put<char, ostreambuf_iterator<char, char_traits<char> > >*);
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_STLP_DECLSPEC locale::id& _STLP_CALL _GetFacetId(const time_get<char, istreambuf_iterator<char, char_traits<char> > >*);
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_STLP_DECLSPEC locale::id& _STLP_CALL _GetFacetId(const time_put<char, ostreambuf_iterator<char, char_traits<char> > >*);
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#ifndef _STLP_NO_WCHAR_T
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_STLP_DECLSPEC locale::id& _STLP_CALL _GetFacetId(const money_get<wchar_t, istreambuf_iterator<wchar_t, char_traits<wchar_t> > >*);
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_STLP_DECLSPEC locale::id& _STLP_CALL _GetFacetId(const money_put<wchar_t, ostreambuf_iterator<wchar_t, char_traits<wchar_t> > >*);
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_STLP_DECLSPEC locale::id& _STLP_CALL _GetFacetId(const num_get<wchar_t, istreambuf_iterator<wchar_t, char_traits<wchar_t> > >*);
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_STLP_DECLSPEC locale::id& _STLP_CALL _GetFacetId(const num_put<wchar_t, ostreambuf_iterator<wchar_t, char_traits<wchar_t> > >*);
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_STLP_DECLSPEC locale::id& _STLP_CALL _GetFacetId(const time_get<wchar_t, istreambuf_iterator<wchar_t, char_traits<wchar_t> > >*);
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_STLP_DECLSPEC locale::id& _STLP_CALL _GetFacetId(const time_put<wchar_t, ostreambuf_iterator<wchar_t, char_traits<wchar_t> > >*);
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#endif
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template <class _Facet>
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inline bool _HasFacet(const locale& __loc, const _Facet* __facet) _STLP_NOTHROW
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{ return (__loc._M_get_facet(_GetFacetId(__facet)) != 0); }
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template <class _Facet>
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inline _Facet* _UseFacet(const locale& __loc, const _Facet* __facet)
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{ return __STATIC_CAST(_Facet*, __loc._M_use_facet(_GetFacetId(__facet))); }
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template <class _Facet>
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inline void _InsertFacet(locale& __loc, _Facet* __facet)
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{ __loc._M_insert(__facet, _GetFacetId(__facet)); }
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_STLP_MOVE_TO_STD_NAMESPACE
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_STLP_END_NAMESPACE
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#endif /* _STLP_INTERNAL_LOCALE_H */
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// Local Variables:
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// mode:C++
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// End:
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