190 lines
5.1 KiB
Plaintext
190 lines
5.1 KiB
Plaintext
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// memory standard header
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#ifndef _MEMORY_
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#define _MEMORY_
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#include <xmemory>
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#ifdef _MSC_VER
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#pragma pack(push,8)
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#endif /* _MSC_VER */
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// TEMPLATE OPERATOR new
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template<class _Ty>
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inline void *operator new(size_t _N, std::allocator<_Ty>& _Al)
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{return (_Al._Charalloc(_N)); }
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_STD_BEGIN
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// TEMPLATE FUNCTION get_temporary_buffer
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template<class _Ty> inline
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pair<_Ty _FARQ *, _PDFT>
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get_temporary_buffer(_PDFT _N, _Ty _FARQ *)
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{_Ty _FARQ *_P;
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for (_P = 0; 0 < _N; _N /= 2)
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if ((_P = (_Ty _FARQ *)operator new(
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(_SIZT)_N * sizeof (_Ty), nothrow)) != 0)
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break;
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return (pair<_Ty _FARQ *, _PDFT>(_P, _N)); }
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// TEMPLATE FUNCTION return_temporary_buffer
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template<class _Ty> inline
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void return_temporary_buffer(_Ty *_P)
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{operator delete(_P); }
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// TEMPLATE FUNCTION uninitialized_copy
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template<class _II, class _FI> inline
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_FI uninitialized_copy(_II _F, _II _L, _FI _X)
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{for (; _F != _L; ++_X, ++_F)
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_Construct(&*_X, *_F);
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return (_X); }
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// TEMPLATE FUNCTION uninitialized_fill
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template<class _FI, class _Ty> inline
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void uninitialized_fill(_FI _F, _FI _L, const _Ty& _X)
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{for (; _F != _L; ++_F)
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_Construct(&*_F, _X); }
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// TEMPLATE FUNCTION uninitialized_fill_n
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template<class _FI, class _S, class _Ty> inline
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void uninitialized_fill_n(_FI _F, _S _N, const _Ty& _X)
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{for (; 0 < _N; --_N, ++_F)
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_Construct(&*_F, _X); }
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// TEMPLATE CLASS raw_storage_iterator
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template<class _OI, class _Ty>
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class raw_storage_iterator
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: public iterator<output_iterator_tag, void, void> {
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public:
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typedef _OI iterator_type;
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typedef _Ty element_type;
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explicit raw_storage_iterator(_OI _X)
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: _Next(_X) {}
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raw_storage_iterator<_OI, _Ty>& operator*()
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{return (*this); }
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raw_storage_iterator<_OI, _Ty>& operator=(const _Ty& _X)
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{_Construct(&*_Next, _X);
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return (*this); }
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raw_storage_iterator<_OI, _Ty>& operator++()
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{++_Next;
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return (*this); }
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raw_storage_iterator<_OI, _Ty> operator++(int)
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{raw_storage_iterator<_OI, _Ty> _Ans = *this;
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++_Next;
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return (_Ans); }
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private:
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_OI _Next;
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};
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// TEMPLATE CLASS _Temp_iterator
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template<class _Ty>
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class _Temp_iterator
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: public iterator<output_iterator_tag, void, void> {
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public:
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typedef _Ty _FARQ *_Pty;
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_Temp_iterator(_PDFT _N = 0)
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{pair<_Pty, _PDFT> _Pair =
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get_temporary_buffer(_N, (_Pty)0);
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_Buf._Begin = _Pair.first;
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_Buf._Cur = _Pair.first;
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_Buf._Hiwater = _Pair.first;
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_Buf._Len = _Pair.second;
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_Pb = &_Buf; }
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_Temp_iterator(const _Temp_iterator<_Ty>& _X)
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{_Buf._Begin = 0;
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_Buf._Cur = 0;
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_Buf._Hiwater = 0;
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_Buf._Len = 0;
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*this = _X; }
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~_Temp_iterator()
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{if (_Buf._Begin != 0)
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{for (_Pty _F = _Buf._Begin;
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_F != _Buf._Hiwater; ++_F)
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_Destroy(&*_F);
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return_temporary_buffer(_Buf._Begin); }}
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_Temp_iterator<_Ty>& operator=(const _Temp_iterator<_Ty>& _X)
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{_Pb = _X._Pb;
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return (*this); }
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_Temp_iterator<_Ty>& operator=(const _Ty& _V)
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{if (_Pb->_Cur < _Pb->_Hiwater)
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*_Pb->_Cur++ = _V;
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else
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{_Construct(&*_Pb->_Cur, _V);
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_Pb->_Hiwater = ++_Pb->_Cur; }
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return (*this); }
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_Temp_iterator<_Ty>& operator*()
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{return (*this); }
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_Temp_iterator<_Ty>& operator++()
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{return (*this); }
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_Temp_iterator<_Ty>& operator++(int)
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{return (*this); }
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_Temp_iterator<_Ty>& _Init()
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{_Pb->_Cur = _Pb->_Begin;
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return (*this); }
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_Pty _First() const
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{return (_Pb->_Begin); }
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_Pty _Last() const
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{return (_Pb->_Cur); }
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_PDFT _Maxlen() const
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{return (_Pb->_Len); }
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private:
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struct _Bufpar {
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_Pty _Begin;
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_Pty _Cur;
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_Pty _Hiwater;
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_PDFT _Len;
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} _Buf, *_Pb;
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};
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// TEMPLATE CLASS auto_ptr
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template<class _Ty>
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class auto_ptr {
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public:
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typedef _Ty element_type;
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explicit auto_ptr(_Ty *_P = 0) _THROW0()
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: _Owns(_P != 0), _Ptr(_P) {}
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auto_ptr(const auto_ptr<_Ty>& _Y) _THROW0()
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: _Owns(_Y._Owns), _Ptr(_Y.release()) {}
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auto_ptr<_Ty>& operator=(const auto_ptr<_Ty>& _Y) _THROW0()
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{if (this != &_Y)
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{if (_Ptr != _Y.get())
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{if (_Owns)
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delete _Ptr;
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_Owns = _Y._Owns; }
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else if (_Y._Owns)
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_Owns = true;
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_Ptr = _Y.release(); }
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return (*this); }
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~auto_ptr()
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{if (_Owns)
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delete _Ptr; }
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_Ty& operator*() const _THROW0()
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{return (*get()); }
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_Ty *operator->() const _THROW0()
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{return (get()); }
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_Ty *get() const _THROW0()
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{return (_Ptr); }
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_Ty *release() const _THROW0()
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{((auto_ptr<_Ty> *)this)->_Owns = false;
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return (_Ptr); }
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private:
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bool _Owns;
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_Ty *_Ptr;
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};
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_STD_END
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#ifdef _MSC_VER
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#pragma pack(pop)
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#endif /* _MSC_VER */
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#endif /* _MEMORY_ */
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/*
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* Copyright (c) 1995 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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/*
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* This file is derived from software bearing the following
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* restrictions:
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*
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* Copyright (c) 1994
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* Hewlett-Packard Company
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*
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* Permission to use, copy, modify, distribute and sell this
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* software and its documentation for any purpose is hereby
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* granted without fee, provided that the above copyright notice
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* appear in all copies and that both that copyright notice and
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* this permission notice appear in supporting documentation.
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* Hewlett-Packard Company makes no representations about the
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* suitability of this software for any purpose. It is provided
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* "as is" without express or implied warranty.
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*/
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