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// vector standard header #ifndef _VECTOR_ #define _VECTOR_ #include <climits> #include <memory> #include <stdexcept> #include <xutility>
#ifdef _MSC_VER #pragma pack(push,8) #endif /* _MSC_VER */ _STD_BEGIN // TEMPLATE CLASS vector template<class _Ty, class _A = allocator<_Ty> > class vector { public: typedef vector<_Ty, _A> _Myt; typedef _A allocator_type; typedef _A::size_type size_type; typedef _A::difference_type difference_type; typedef _A::pointer _Tptr; typedef _A::const_pointer _Ctptr; typedef _A::reference reference; typedef _A::const_reference const_reference; typedef _A::value_type value_type; typedef _Tptr iterator; typedef _Ctptr const_iterator; typedef reverse_iterator<const_iterator, value_type, const_reference, _Ctptr, difference_type> const_reverse_iterator; typedef reverse_iterator<iterator, value_type, reference, _Tptr, difference_type> reverse_iterator; explicit vector(const _A& _Al = _A()) : allocator(_Al), _First(0), _Last(0), _End(0) {} explicit vector(size_type _N, const _Ty& _V = _Ty(), const _A& _Al = _A()) : allocator(_Al) {_First = allocator.allocate(_N, (void *)0); _Ufill(_First, _N, _V); _Last = _First + _N; _End = _Last; } vector(const _Myt& _X) : allocator(_X.allocator) {_First = allocator.allocate(_X.size(), (void *)0); _Last = _Ucopy(_X.begin(), _X.end(), _First); _End = _Last; } typedef const_iterator _It; vector(_It _F, _It _L, const _A& _Al = _A()) : allocator(_Al), _First(0), _Last(0), _End(0) {insert(begin(), _F, _L); } ~vector() {_Destroy(_First, _Last); allocator.deallocate(_First, _End - _First); _First = 0, _Last = 0, _End = 0; } _Myt& operator=(const _Myt& _X) {if (this == &_X) ; else if (_X.size() <= size()) {iterator _S = copy(_X.begin(), _X.end(), _First); _Destroy(_S, _Last); _Last = _First + _X.size(); } else if (_X.size() <= capacity()) {const_iterator _S = _X.begin() + size(); copy(_X.begin(), _S, _First); _Ucopy(_S, _X.end(), _Last); _Last = _First + _X.size(); } else {_Destroy(_First, _Last); allocator.deallocate(_First, _End - _First); _First = allocator.allocate(_X.size(), (void *)0); _Last = _Ucopy(_X.begin(), _X.end(), _First); _End = _Last; } return (*this); } void reserve(size_type _N) {if (capacity() < _N) {iterator _S = allocator.allocate(_N, (void *)0); _Ucopy(_First, _Last, _S); _Destroy(_First, _Last); allocator.deallocate(_First, _End - _First); _End = _S + _N; _Last = _S + size(); _First = _S; }} size_type capacity() const {return (_First == 0 ? 0 : _End - _First); } iterator begin() {return (_First); } const_iterator begin() const {return ((const_iterator)_First); } iterator end() {return (_Last); } const_iterator end() const {return ((const_iterator)_Last); } reverse_iterator rbegin() {return (reverse_iterator(end())); } const_reverse_iterator rbegin() const {return (const_reverse_iterator(end())); } reverse_iterator rend() {return (reverse_iterator(begin())); } const_reverse_iterator rend() const {return (const_reverse_iterator(begin())); } void resize(size_type _N, const _Ty& _X = _Ty()) {if (size() < _N) insert(end(), _N - size(), _X); else if (_N < size()) erase(begin() + _N, end()); } size_type size() const {return (_First == 0 ? 0 : _Last - _First); } size_type max_size() const {return (allocator.max_size()); } bool empty() const {return (size() == 0); } _A get_allocator() const {return (allocator); } const_reference at(size_type _P) const {if (size() <= _P) _Xran(); return (*(begin() + _P)); } reference at(size_type _P) {if (size() <= _P) _Xran(); return (*(begin() + _P)); } const_reference operator[](size_type _P) const {return (*(begin() + _P)); } reference operator[](size_type _P) {return (*(begin() + _P)); } reference front() {return (*begin()); } const_reference front() const {return (*begin()); } reference back() {return (*(end() - 1)); } const_reference back() const {return (*(end() - 1)); } void push_back(const _Ty& _X) {insert(end(), _X); } void pop_back() {erase(end() - 1); } void assign(_It _F, _It _L) {erase(begin(), end()); insert(begin(), _F, _L); } void assign(size_type _N, const _Ty& _X = _Ty()) {erase(begin(), end()); insert(begin(), _N, _X); } iterator insert(iterator _P, const _Ty& _X = _Ty()) {size_type _O = _P - begin(); insert(_P, 1, _X); return (begin() + _O); } void insert(iterator _P, size_type _M, const _Ty& _X) {if (_End - _Last < _M) {size_type _N = size() + (_M < size() ? size() : _M); iterator _S = allocator.allocate(_N, (void *)0); iterator _Q = _Ucopy(_First, _P, _S); _Ufill(_Q, _M, _X); _Ucopy(_P, _Last, _Q + _M); _Destroy(_First, _Last); allocator.deallocate(_First, _End - _First); _End = _S + _N; _Last = _S + size() + _M; _First = _S; } else if (_Last - _P < _M) {_Ucopy(_P, _Last, _P + _M); _Ufill(_Last, _M - (_Last - _P), _X); fill(_P, _Last, _X); _Last += _M; } else if (0 < _M) {_Ucopy(_Last - _M, _Last, _Last); copy_backward(_P, _Last - _M, _Last); fill(_P, _P + _M, _X); _Last += _M; }} void insert(iterator _P, _It _F, _It _L) {size_type _M = 0; _Distance(_F, _L, _M); if (_End - _Last < _M) {size_type _N = size() + (_M < size() ? size() : _M); iterator _S = allocator.allocate(_N, (void *)0); iterator _Q = _Ucopy(_First, _P, _S); _Q = _Ucopy(_F, _L, _Q); _Ucopy(_P, _Last, _Q); _Destroy(_First, _Last); allocator.deallocate(_First, _End - _First); _End = _S + _N; _Last = _S + size() + _M; _First = _S; } else if (_Last - _P < _M) {_Ucopy(_P, _Last, _P + _M); _Ucopy(_F + (_Last - _P), _L, _Last); copy(_F, _F + (_Last - _P), _P); _Last += _M; } else if (0 < _M) {_Ucopy(_Last - _M, _Last, _Last); copy_backward(_P, _Last - _M, _Last); copy(_F, _L, _P); _Last += _M; }} iterator erase(iterator _P) {copy(_P + 1, end(), _P); _Destroy(_Last - 1, _Last); --_Last; return (_P); } iterator erase(iterator _F, iterator _L) {iterator _S = copy(_L, end(), _F); _Destroy(_S, end()); _Last = _S; return (_F); } void clear() {erase(begin(), end()); } bool _Eq(const _Myt& _X) const {return (size() == _X.size() && equal(begin(), end(), _X.begin())); } bool _Lt(const _Myt& _X) const {return (lexicographical_compare(begin(), end(), _X.begin(), _X.end())); } void swap(_Myt& _X) {if (allocator == _X.allocator) {std::swap(_First, _X._First); std::swap(_Last, _X._Last); std::swap(_End, _X._End); } else {_Myt _Ts = *this; *this = _X, _X = _Ts; }} friend void swap(_Myt& _X, _Myt& _Y) {_X.swap(_Y); } protected: void _Destroy(iterator _F, iterator _L) {for (; _F != _L; ++_F) allocator.destroy(_F); } iterator _Ucopy(const_iterator _F, const_iterator _L, iterator _P) {for (; _F != _L; ++_P, ++_F) allocator.construct(_P, *_F); return (_P); } void _Ufill(iterator _F, size_type _N, const _Ty &_X) {for (; 0 < _N; --_N, ++_F) allocator.construct(_F, _X); } void _Xran() const {_THROW(out_of_range, "invalid vector<T> subscript"); } _A allocator; iterator _First, _Last, _End; }; // CLASS vector<_Bool, allocator> typedef unsigned int _Vbase; const int _VBITS = CHAR_BIT * sizeof (_Vbase); typedef allocator<_Vbase> _Bool_allocator; class vector<_Bool, _Bool_allocator> { public: typedef _Bool_allocator _A; typedef _Bool _Ty; typedef vector<_Ty, _A> _Myt; typedef vector<_Vbase, _A> _Vbtype; typedef _A allocator_type; typedef _A::size_type size_type; typedef _A::difference_type difference_type; // CLASS reference class reference { public: reference() : _Mask(0), _Ptr(0) {} reference(size_t _O, _Vbase *_P) : _Mask((_Vbase)1 << _O), _Ptr(_P) {} reference& operator=(const reference& _X) {return (*this = bool(_X)); } reference& operator=(bool _V) {if (_V) *_Ptr |= _Mask; else *_Ptr &= ~_Mask; return (*this); } void flip() {*_Ptr ^= _Mask; } bool operator~() const {return (!bool(*this)); } operator bool() const {return ((*_Ptr & _Mask) != 0); } protected: _Vbase _Mask, *_Ptr; }; typedef const reference const_reference; typedef bool value_type; // CLASS iterator class iterator : public _Ranit<_Bool, difference_type> { public: iterator() : _Off(0), _Ptr(0) {} iterator(size_t _O, _Vbase *_P) : _Off(_O), _Ptr(_P) {} reference operator*() const {return (reference(_Off, _Ptr)); } iterator& operator++() {_Inc(); return (*this); } iterator operator++(int) {iterator _Tmp = *this; _Inc(); return (_Tmp); } iterator& operator--() {_Dec(); return (*this); } iterator operator--(int) {iterator _Tmp = *this; _Dec(); return (_Tmp); } iterator& operator+=(difference_type _N) {_Off += (size_t) _N; _Ptr += _Off / _VBITS; _Off %= _VBITS; return (*this); } iterator& operator-=(difference_type _N) {return (*this += -_N); } iterator operator+(difference_type _N) const {iterator _Tmp = *this; return (_Tmp += _N); } iterator operator-(difference_type _N) const {iterator _Tmp = *this; return (_Tmp -= _N); } difference_type operator-(const iterator _X) const {return (_VBITS * (_Ptr - _X._Ptr) + (difference_type)_Off - (difference_type)_X._Off); } reference operator[](difference_type _N) const {return (*(*this + _N)); } bool operator==(const iterator& _X) const {return (_Ptr == _X._Ptr && _Off == _X._Off); } bool operator!=(const iterator& _X) const {return (!(*this == _X)); } bool operator<(const iterator& _X) const {return (_Ptr < _X._Ptr || _Ptr == _X._Ptr && _Off < _X._Off); } bool operator>(const iterator& _X) const {return (_X < *this); } bool operator<=(const iterator& _X) const {return (!(_X < *this)); } bool operator>=(const iterator& _X) const {return (!(*this < _X)); } protected: void _Dec() {if (_Off != 0) --_Off; else _Off = _VBITS - 1, --_Ptr; } void _Inc() {if (_Off < _VBITS - 1) ++_Off; else _Off = 0, ++_Ptr; } size_t _Off; _Vbase *_Ptr; }; // CLASS const_iterator class const_iterator : public iterator { public: const_iterator() : iterator() {} const_iterator(size_t _O, const _Vbase *_P) : iterator(_O, (_Vbase *)_P) {} const_iterator(const iterator& _X) : iterator(_X) {} const_reference operator*() const {return (reference(_Off, _Ptr)); } const_iterator& operator++() {_Inc(); return (*this); } const_iterator operator++(int) {const_iterator _Tmp = *this; _Inc(); return (_Tmp); } const_iterator& operator--() {_Dec(); return (*this); } const_iterator operator--(int) {const_iterator _Tmp = *this; _Dec(); return (_Tmp); } const_iterator& operator+=(difference_type _N) {_Off += (size_t) _N; _Ptr += _Off / _VBITS; _Off %= _VBITS; return (*this); } const_iterator& operator-=(difference_type _N) {return (*this += -_N); } const_iterator operator+(difference_type _N) const {const_iterator _Tmp = *this; return (_Tmp += _N); } const_iterator operator-(difference_type _N) const {const_iterator _Tmp = *this; return (_Tmp -= _N); } difference_type operator-(const const_iterator _X) const {return (_VBITS * (_Ptr - _X._Ptr) + (difference_type)_Off - (difference_type)_X._Off); } const_reference operator[](difference_type _N) const {return (*(*this + _N)); } bool operator==(const const_iterator& _X) const {return (_Ptr == _X._Ptr && _Off == _X._Off); } bool operator!=(const const_iterator& _X) const {return (!(*this == _X)); } bool operator<(const const_iterator& _X) const {return (_Ptr < _X._Ptr || _Ptr == _X._Ptr && _Off < _X._Off); } bool operator>(const const_iterator& _X) const {return (_X < *this); } bool operator<=(const const_iterator& _X) const {return (!(_X < *this)); } bool operator>=(const const_iterator& _X) const {return (!(*this < _X)); } }; typedef reverse_iterator<const_iterator, value_type, const_reference, const_reference *, difference_type> const_reverse_iterator; typedef reverse_iterator<iterator, value_type, reference, reference *, difference_type> reverse_iterator; explicit vector(const _A& _Al = _A()) : _Size(0), _Vec(_Al) {} explicit vector(size_type _N, const bool _V = false, const _A& _Al = _A()) : _Vec(_Nw(_N), _V ? -1 : 0, _Al) {_Trim(_N); } typedef const_iterator _It; vector(_It _F, _It _L, const _A& _Al = _A()) : _Size(0), _Vec(_Al) {insert(begin(), _F, _L); } ~vector() {_Size = 0; } void reserve(size_type _N) {_Vec.reserve(_Nw(_N)); } size_type capacity() const {return (_Vec.capacity() * _VBITS); } iterator begin() {return (iterator(0, _Vec.begin())); } const_iterator begin() const {return (const_iterator(0, _Vec.begin())); } iterator end() {iterator _Tmp = begin(); if (0 < _Size) _Tmp += _Size; return (_Tmp); } const_iterator end() const {const_iterator _Tmp = begin(); if (0 < _Size) _Tmp += _Size; return (_Tmp); } reverse_iterator rbegin() {return (reverse_iterator(end())); } const_reverse_iterator rbegin() const {return (const_reverse_iterator(end())); } reverse_iterator rend() {return (reverse_iterator(begin())); } const_reverse_iterator rend() const {return (const_reverse_iterator(begin())); } void resize(size_type _N, bool _X = false) {if (size() < _N) insert(end(), _N - size(), _X); else if (_N < size()) erase(begin() + _N, end()); } size_type size() const {return (_Size); } size_type max_size() const {return (_Vec.max_size() * _VBITS); } bool empty() const {return (size() == 0); } _A get_allocator() const {return (_Vec.get_allocator()); } const_reference at(size_type _P) const {if (size() <= _P) _Xran(); return (*(begin() + _P)); } reference at(size_type _P) {if (size() <= _P) _Xran(); return (*(begin() + _P)); } const_reference operator[](size_type _P) const {return (*(begin() + _P)); } reference operator[](size_type _P) {return (*(begin() + _P)); } reference front() {return (*begin()); } const_reference front() const {return (*begin()); } reference back() {return (*(end() - 1)); } const_reference back() const {return (*(end() - 1)); } void push_back(const bool _X) {insert(end(), _X); } void pop_back() {erase(end() - 1); } void assign(_It _F, _It _L) {erase(begin(), end()); insert(begin(), _F, _L); } void assign(size_type _N, const bool _X = false) {erase(begin(), end()); insert(begin(), _N, _X); } iterator insert(iterator _P, const bool _X = false) {size_type _O = _P - begin(); insert(_P, 1, _X); return (begin() + _O); } void insert(iterator _P, size_type _M, const bool _X) {if (0 < _M) {if (capacity() - size() < _M) {size_type _O = _P - begin(); _Vec.resize(_Nw(size() + _M), 0); _P = begin() + _O; } copy_backward(_P, end(), end() + _M); fill(_P, _P + _M, _X); _Size += _M; }} void insert(iterator _P, _It _F, _It _L) {size_type _M = 0; _Distance(_F, _L, _M); if (0 < _M) {if (capacity() - size() < _M) {size_type _O = _P - begin(); _Vec.resize(_Nw(size() + _M), 0); _P = begin() + _O; } copy_backward(_P, end(), end() + _M); copy(_F, _L, _P); _Size += _M; }} iterator erase(iterator _P) {copy(_P + 1, end(), _P); _Trim(_Size - 1); return (_P); } iterator erase(iterator _F, iterator _L) {iterator _S = copy(_L, end(), _F); _Trim(_S - begin()); return (_F); } void clear() {erase(begin(), end()); } void flip() {for (_Vbtype::iterator _S = _Vec.begin(); _S != _Vec.end(); ++_S) *_S = ~*_S; _Trim(_Size); } bool _Eq(const _Myt& _X) const {return (_Size == _X._Size && _Vec._Eq(_X._Vec)); } bool _Lt(const _Myt& _X) const {return (_Size < _X._Size || _Size == _X._Size && _Vec._Lt(_X._Vec)); } void swap(_Myt& _X) {std::swap(_Size, _X._Size); _Vec.swap(_X._Vec); } friend void swap(_Myt& _X, _Myt& _Y) {_X.swap(_Y); } static void swap(reference _X, reference _Y) {bool _V = _X; _X = _Y; _Y = _V; } protected: static size_type _Nw(size_type _N) {return ((_N + _VBITS - 1) / _VBITS); } void _Trim(size_type _N) {size_type _M = _Nw(_N); if (_M < _Vec.size()) _Vec.erase(_Vec.begin() + _M, _Vec.end()); _Size = _N; _N %= _VBITS; if (0 < _N) _Vec[_M - 1] &= ((_Vbase)1 << _N) - 1; } void _Xran() const {_THROW(out_of_range, "invalid vector<bool> subscript"); } size_type _Size; _Vbtype _Vec; }; typedef vector<_Bool, _Bool_allocator> _Bvector; // vector TEMPLATE OPERATORS template<class _Ty, class _A> inline bool operator==(const vector<_Ty, _A>& _X, const vector<_Ty, _A>& _Y) {return (_X._Eq(_Y)); } template<class _Ty, class _A> inline bool operator!=(const vector<_Ty, _A>& _X, const vector<_Ty, _A>& _Y) {return (!(_X == _Y)); } template<class _Ty, class _A> inline bool operator<(const vector<_Ty, _A>& _X, const vector<_Ty, _A>& _Y) {return (_X._Lt(_Y)); } template<class _Ty, class _A> inline bool operator>(const vector<_Ty, _A>& _X, const vector<_Ty, _A>& _Y) {return (_Y < _X); } template<class _Ty, class _A> inline bool operator<=(const vector<_Ty, _A>& _X, const vector<_Ty, _A>& _Y) {return (!(_Y < _X)); } template<class _Ty, class _A> inline bool operator>=(const vector<_Ty, _A>& _X, const vector<_Ty, _A>& _Y) {return (!(_X < _Y)); } _STD_END #ifdef _MSC_VER #pragma pack(pop) #endif /* _MSC_VER */
#endif /* _VECTOR_ */
/* * Copyright (c) 1995 by P.J. Plauger. ALL RIGHTS RESERVED. * Consult your license regarding permissions and restrictions. */
/* * This file is derived from software bearing the following * restrictions: * * Copyright (c) 1994 * Hewlett-Packard Company * * Permission to use, copy, modify, distribute and sell this * software and its documentation for any purpose is hereby * granted without fee, provided that the above copyright notice * appear in all copies and that both that copyright notice and * this permission notice appear in supporting documentation. * Hewlett-Packard Company makes no representations about the * suitability of this software for any purpose. It is provided * "as is" without express or implied warranty. */
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