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92 lines
2.9 KiB
92 lines
2.9 KiB
// locale0 -- class locale basic member functions
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#include <climits>
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#include <locale>
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_STD_BEGIN
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static locale classic_locale(_Noinit);
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locale::_Locimp *locale::_Locimp::_Clocptr = 0;
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locale::_Locimp *locale::_Locimp::_Global = 0;
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int locale::id::_Id_cnt = 0;
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const ctype_base::mask *ctype<char>::_Cltab = 0;
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const size_t ctype<char>::table_size = 1 << CHAR_BIT;
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const locale& __cdecl locale::classic()
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{ // get reference to "C" locale
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_Init();
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_Lockit _Lk;
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return (classic_locale);
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}
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locale __cdecl locale::empty()
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{ // make empty transparent locale
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_Init();
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return (locale(new _Locimp(true)));
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}
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const locale::facet *locale::_Getfacet(size_t _Id,
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bool _Xp) const
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{ // look up a facet in locale object
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_Lockit _Lk;
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const facet *_F = _Id < _Ptr->_Nfv ? _Ptr->_Fv[_Id] : 0;
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return (_F != 0 || !_Xp || !_Ptr->_Xpar ? _F
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: _Id < _Locimp::_Global->_Nfv
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? _Locimp::_Global->_Fv[_Id] : 0);
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}
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bool locale::_Iscloc() const
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{ // test for underlying dummy C locale object
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_Lockit _Lk;
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return (_Ptr == _Locimp::_Clocptr || _Ptr->_Xpar
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&& _Locimp::_Global == _Locimp::_Clocptr);
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}
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bool locale::operator==(const locale& _X) const
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{ // compare locales for equality
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return (_Ptr == _X._Ptr || name().compare("*") != 0
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&& name().compare(_X.name()) == 0);
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}
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locale::_Locimp *__cdecl locale::_Init()
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{ // setup _Global and "C" locales
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_Lockit _Lk;
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if (_Locimp::_Global == 0)
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{ // create new locales
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_Locimp::_Global = new _Locimp;
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atexit(&_Tidy);
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_Locimp::_Global->_Cat = all;
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_Locimp::_Global->_Name = "C";
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_Locimp::_Clocptr = _Locimp::_Global;
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_Locimp::_Clocptr->_Incref();
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new (&classic_locale) locale(_Locimp::_Clocptr);
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}
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return (_Locimp::_Global);
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}
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void __cdecl locale::_Tidy()
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{ // discard _Global locale
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_Lockit _Lk;
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if (_Locimp::_Global != 0)
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delete _Locimp::_Global->_Decref();
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}
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locale::_Locimp::_Locimp(bool _Xp)
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: locale::facet(1), _Fv(0), _Nfv(0),
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_Cat(none), _Xpar(_Xp), _Name("*")
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{ // construct an empty _Locimp
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}
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locale::_Locimp::~_Locimp()
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{ // destruct a _Locimp
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_Lockit _Lk;
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for (size_t _N = _Nfv; 0 < _N; )
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if (_Fv[--_N] != 0)
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delete _Fv[_N]->_Decref();
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free(_Fv);
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}
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_STD_END
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/*
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* Copyright (c) 1996 by P.J. Plauger. ALL RIGHTS RESERVED.
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* Consult your license regarding permissions and restrictions.
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*/
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