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1457 lines
36 KiB
1457 lines
36 KiB
// vector standard header
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#pragma once
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#ifndef _VECTOR_
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#define _VECTOR_
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#include <memory>
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#include <stdexcept>
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#pragma pack(push,8)
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#pragma warning(push,3)
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#pragma warning(disable: 4244)
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_STD_BEGIN
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// TEMPLATE CLASS _Vector_val
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template<class _Ty, class _Alloc>
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class _Vector_val
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{ // base class for vector to hold allocator _Alval
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protected:
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_Vector_val(_Alloc _Al = _Alloc())
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: _Alval(_Al)
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{ // construct allocator from _Al
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}
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typedef typename _Alloc::_TEMPLATE_MEMBER
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rebind<_Ty>::other _Alty;
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_Alty _Alval; // allocator object for values
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};
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// TEMPLATE CLASS vector
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template<class _Ty,
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class _Ax = allocator<_Ty> >
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class vector
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: public _Vector_val<_Ty, _Ax>
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{ // varying size array of values
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public:
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typedef vector<_Ty, _Ax> _Myt;
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typedef _Vector_val<_Ty, _Ax> _Mybase;
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typedef typename _Mybase::_Alty _Alloc;
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typedef _Alloc allocator_type;
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typedef typename _Alloc::size_type size_type;
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typedef typename _Alloc::difference_type difference_type;
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typedef typename _Alloc::pointer _Tptr;
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typedef typename _Alloc::const_pointer _Ctptr;
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typedef _Tptr pointer;
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typedef _Ctptr const_pointer;
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typedef typename _Alloc::reference reference;
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typedef typename _Alloc::const_reference const_reference;
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typedef typename _Alloc::value_type value_type;
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typedef _Ptrit<value_type, difference_type, _Tptr,
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reference, _Tptr, reference> iterator;
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typedef _Ptrit<value_type, difference_type, _Ctptr,
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const_reference, _Tptr, reference> const_iterator;
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typedef std::reverse_iterator<iterator>
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reverse_iterator;
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typedef std::reverse_iterator<const_iterator>
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const_reverse_iterator;
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vector()
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: _Mybase()
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{ // construct empty vector
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_Buy(0);
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}
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explicit vector(const _Alloc& _Al)
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: _Mybase(_Al)
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{ // construct empty vector with allocator
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_Buy(0);
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}
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explicit vector(size_type _Count)
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: _Mybase()
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{ // construct from _Count * _Ty()
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_Ty _Val = _Ty(); // may throw
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if (_Buy(_Count))
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_Construct_n(_Count, _Val);
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}
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vector(size_type _Count, const _Ty& _Val)
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: _Mybase()
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{ // construct from _Count * _Val
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if (_Buy(_Count))
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_Construct_n(_Count, _Val);
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}
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vector(size_type _Count, const _Ty& _Val, const _Alloc& _Al)
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: _Mybase(_Al)
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{ // construct from _Count * _Val, with allocator
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if (_Buy(_Count))
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_Construct_n(_Count, _Val);
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}
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vector(const _Myt& _Right)
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: _Mybase(_Right._Alval)
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{ // construct by copying _Right
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if (_Buy(_Right.size()))
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_TRY_BEGIN
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_Mylast = _Ucopy(_Right.begin(), _Right.end(), _Myfirst);
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_CATCH_ALL
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_Tidy();
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_RERAISE;
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_CATCH_END
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}
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template<class _Iter>
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vector(_Iter _First, _Iter _Last)
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: _Mybase()
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{ // construct from [_First, _Last)
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_Construct(_First, _Last, _Iter_cat(_First));
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}
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template<class _Iter>
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vector(_Iter _First, _Iter _Last, const _Alloc& _Al)
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: _Mybase(_Al)
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{ // construct from [_First, _Last), with allocator
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_Construct(_First, _Last, _Iter_cat(_First));
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}
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template<class _Iter>
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void _Construct(_Iter _Count, _Iter _Val, _Int_iterator_tag)
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{ // initialize with _Count * _Val
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size_type _Size = (size_type)_Count;
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if (_Buy(_Size))
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_Construct_n(_Size, _Val);
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}
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template<class _Iter>
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void _Construct(_Iter _First, _Iter _Last, input_iterator_tag)
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{ // initialize with [_First, _Last), input iterators
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_Buy(0);
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_TRY_BEGIN
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insert(begin(), _First, _Last);
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_CATCH_ALL
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_Tidy();
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_RERAISE;
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_CATCH_END
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}
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void _Construct_n(size_type _Count, const _Ty& _Val)
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{ // construct from _Count * _Val
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_TRY_BEGIN
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_Mylast = _Ufill(_Myfirst, _Count, _Val);
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_CATCH_ALL
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_Tidy();
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_RERAISE;
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_CATCH_END
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}
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~vector()
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{ // destroy the object
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_Tidy();
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}
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_Myt& operator=(const _Myt& _Right)
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{ // assign _Right
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if (this == &_Right)
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; // nothing to do
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else if (_Right.size() == 0)
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clear(); // new sequence empty, free storage
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else if (_Right.size() <= size())
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{ // enough elements, copy new and destroy old
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pointer _Ptr = copy(_Right.begin(), _Right.end(), _Myfirst);
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_Destroy(_Ptr, _Mylast);
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_Mylast = _Myfirst + _Right.size();
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}
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else if (_Right.size() <= capacity())
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{ // enough room, copy and construct new
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const_iterator _Where = _Right.begin() + size();
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copy(_Right.begin(), _Where, _Myfirst);
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_Mylast = _Ucopy(_Where, _Right.end(), _Mylast);
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}
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else
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{ // not enough room, allocate new array and construct new
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_Destroy(_Myfirst, _Mylast);
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this->_Alval.deallocate(_Myfirst, _Myend - _Myfirst);
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if (_Buy(_Right.size()))
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_Mylast = _Ucopy(_Right.begin(), _Right.end(), _Myfirst);
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}
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return (*this);
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}
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void reserve(size_type _Count)
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{ // determine new minimum length of allocated storage
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if (max_size() < _Count)
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_Xlen(); // result too long
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else if (capacity() < _Count)
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{ // not enough room, reallocate
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pointer _Ptr = this->_Alval.allocate(_Count, (void *)0);
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_TRY_BEGIN
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_Ucopy(begin(), end(), _Ptr);
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_CATCH_ALL
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this->_Alval.deallocate(_Ptr, _Count);
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_RERAISE;
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_CATCH_END
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size_type _Size = size();
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if (_Myfirst != 0)
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{ // destroy old array
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_Destroy(_Myfirst, _Mylast);
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this->_Alval.deallocate(_Myfirst, _Myend - _Myfirst);
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}
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_Myend = _Ptr + _Count;
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_Mylast = _Ptr + _Size;
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_Myfirst = _Ptr;
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}
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}
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size_type capacity() const
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{ // return current length of allocated storage
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return (_Myfirst == 0 ? 0 : _Myend - _Myfirst);
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}
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iterator begin()
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{ // return iterator for beginning of mutable sequence
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return (iterator(_Myfirst));
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}
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const_iterator begin() const
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{ // return iterator for beginning of nonmutable sequence
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return (const_iterator(_Myfirst));
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}
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iterator end()
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{ // return iterator for end of mutable sequence
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return (iterator(_Mylast));
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}
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const_iterator end() const
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{ // return iterator for end of nonmutable sequence
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return (const_iterator(_Mylast));
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}
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reverse_iterator rbegin()
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{ // return iterator for beginning of reversed mutable sequence
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return (reverse_iterator(end()));
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}
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const_reverse_iterator rbegin() const
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{ // return iterator for beginning of reversed nonmutable sequence
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return (const_reverse_iterator(end()));
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}
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reverse_iterator rend()
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{ // return iterator for end of reversed mutable sequence
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return (reverse_iterator(begin()));
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}
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const_reverse_iterator rend() const
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{ // return iterator for end of reversed nonmutable sequence
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return (const_reverse_iterator(begin()));
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}
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void resize(size_type _Newsize)
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{ // determine new length, padding with _Ty() elements as needed
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resize(_Newsize, _Ty());
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}
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void resize(size_type _Newsize, _Ty _Val)
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{ // determine new length, padding with _Val elements as needed
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if (size() < _Newsize)
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_Insert_n(end(), _Newsize - size(), _Val);
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else if (_Newsize < size())
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erase(begin() + _Newsize, end());
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}
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size_type size() const
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{ // return length of sequence
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return (_Myfirst == 0 ? 0 : _Mylast - _Myfirst);
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}
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size_type max_size() const
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{ // return maximum possible length of sequence
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return (this->_Alval.max_size());
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}
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bool empty() const
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{ // test if sequence is empty
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return (size() == 0);
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}
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_Alloc get_allocator() const
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{ // return allocator object for values
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return (this->_Alval);
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}
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const_reference at(size_type _Off) const
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{ // subscript nonmutable sequence with checking
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if (size() <= _Off)
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_Xran();
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return (*(begin() + _Off));
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}
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reference at(size_type _Off)
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{ // subscript mutable sequence with checking
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if (size() <= _Off)
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_Xran();
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return (*(begin() + _Off));
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}
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reference operator[](size_type _Off)
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{ // subscript mutable sequence
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return (*(begin() + _Off));
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}
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const_reference operator[](size_type _Off) const
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{ // subscript nonmutable sequence
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return (*(begin() + _Off));
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}
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reference front()
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{ // return first element of mutable sequence
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return (*begin());
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}
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const_reference front() const
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{ // return first element of nonmutable sequence
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return (*begin());
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}
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reference back()
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{ // return last element of mutable sequence
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return (*(end() - 1));
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}
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const_reference back() const
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{ // return last element of nonmutable sequence
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return (*(end() - 1));
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}
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void push_back(const _Ty& _Val)
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{ // insert element at end
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if (size() < capacity())
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_Mylast = _Ufill(_Mylast, 1, _Val);
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else
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insert(end(), _Val);
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}
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void pop_back()
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{ // erase element at end
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if (!empty())
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{ // erase last element
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_Destroy(_Mylast - 1, _Mylast);
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--_Mylast;
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}
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}
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template<class _Iter>
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void assign(_Iter _First, _Iter _Last)
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{ // assign [_First, _Last)
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_Assign(_First, _Last, _Iter_cat(_First));
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}
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template<class _Iter>
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void _Assign(_Iter _Count, _Iter _Val, _Int_iterator_tag)
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{ // assign _Count * _Val
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_Assign_n((size_type)_Count, (_Ty)_Val);
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}
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template<class _Iter>
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void _Assign(_Iter _First, _Iter _Last, input_iterator_tag)
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{ // assign [_First, _Last), input iterators
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erase(begin(), end());
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insert(begin(), _First, _Last);
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}
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void assign(size_type _Count, const _Ty& _Val)
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{ // assign _Count * _Val
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_Assign_n(_Count, _Val);
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}
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iterator insert(iterator _Where, const _Ty& _Val)
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{ // insert _Val at _Where
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size_type _Off = size() == 0 ? 0 : _Where - begin();
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_Insert_n(_Where, (size_type)1, _Val);
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return (begin() + _Off);
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}
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void insert(iterator _Where, size_type _Count, const _Ty& _Val)
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{ // insert _Count * _Val at _Where
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_Insert_n(_Where, _Count, _Val);
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}
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template<class _Iter>
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void insert(iterator _Where, _Iter _First, _Iter _Last)
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{ // insert [_First, _Last) at _Where
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_Insert(_Where, _First, _Last, _Iter_cat(_First));
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}
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template<class _Iter>
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void _Insert(iterator _Where, _Iter _First, _Iter _Last,
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_Int_iterator_tag)
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{ // insert _Count * _Val at _Where
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_Insert_n(_Where, (size_type)_First, (_Ty)_Last);
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}
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template<class _Iter>
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void _Insert(iterator _Where, _Iter _First, _Iter _Last,
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input_iterator_tag)
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{ // insert [_First, _Last) at _Where, input iterators
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for (; _First != _Last; ++_First, ++_Where)
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_Where = insert(_Where, *_First);
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}
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template<class _Iter>
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void _Insert(iterator _Where, _Iter _First, _Iter _Last,
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forward_iterator_tag)
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{ // insert [_First, _Last) at _Where, forward iterators
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size_type _Count = 0;
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_Distance(_First, _Last, _Count);
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size_type _Capacity = capacity();
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if (_Count == 0)
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;
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else if (max_size() - size() < _Count)
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_Xlen(); // result too long
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else if (_Capacity < size() + _Count)
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{ // not enough room, reallocate
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_Capacity = max_size() - _Capacity / 2 < _Capacity
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? 0 : _Capacity + _Capacity / 2; // try to grow by 50%
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if (_Capacity < size() + _Count)
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_Capacity = size() + _Count;
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pointer _Newvec = this->_Alval.allocate(_Capacity, (void *)0);
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pointer _Ptr = _Newvec;
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_TRY_BEGIN
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_Ptr = _Ucopy(begin(), _Where, _Newvec); // copy prefix
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_Ptr = _Ucopy(_First, _Last, _Ptr); // add new stuff
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_Ucopy(_Where, end(), _Ptr); // copy suffix
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_CATCH_ALL
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_Destroy(_Newvec, _Ptr);
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this->_Alval.deallocate(_Newvec, _Capacity);
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_RERAISE;
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_CATCH_END
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_Count += size();
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if (_Myfirst != 0)
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{ // destroy and deallocate old array
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_Destroy(_Myfirst, _Mylast);
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this->_Alval.deallocate(_Myfirst, _Myend - _Myfirst);
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}
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_Myend = _Newvec + _Capacity;
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_Mylast = _Newvec + _Count;
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_Myfirst = _Newvec;
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}
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else if ((size_type)(end() - _Where) < _Count)
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{ // new stuff spills off end
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_Ucopy(_Where, end(), _Where.base() + _Count); // copy suffix
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_Iter _Mid = _First;
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advance(_Mid, end() - _Where);
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_TRY_BEGIN
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_Ucopy(_Mid, _Last, _Mylast); // insert new stuff off end
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_CATCH_ALL
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_Destroy(_Where.base() + _Count, _Mylast + _Count);
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_RERAISE;
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_CATCH_END
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_Mylast += _Count;
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copy(_First, _Mid, _Where); // insert up to old end
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}
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else
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{ // new stuff can all be assigned
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iterator _Oldend = end();
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_Mylast = _Ucopy(_Oldend - _Count, _Oldend,
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_Mylast); // copy suffix
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copy_backward(_Where, _Oldend - _Count, _Oldend); // copy hole
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copy(_First, _Last, _Where); // insert into hole
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}
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}
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iterator erase(iterator _Where)
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{ // erase element at where
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copy(_Where + 1, end(), _Where);
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_Destroy(_Mylast - 1, _Mylast);
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--_Mylast;
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return (_Where);
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}
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iterator erase(iterator _First, iterator _Last)
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{ // erase [_First, _Last)
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if (_First != _Last)
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{ // worth doing, copy down over hole
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pointer _Ptr = copy(_Last, end(), _First.base());
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_Destroy(_Ptr, _Mylast);
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_Mylast = _Ptr;
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}
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return (_First);
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}
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void clear()
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{ // erase all
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_Tidy();
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}
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bool _Eq(const _Myt& _Right) const
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{ // test for vector equality
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return (size() == _Right.size()
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&& equal(begin(), end(), _Right.begin()));
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}
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bool _Lt(const _Myt& _Right) const
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{ // test if this < _Right for vectors
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return (lexicographical_compare(begin(), end(),
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_Right.begin(), _Right.end()));
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}
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void swap(_Myt& _Right)
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{ // exchange contents with _Right
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if (this->_Alval == _Right._Alval)
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{ // same allocator, swap control information
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std::swap(_Myfirst, _Right._Myfirst);
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std::swap(_Mylast, _Right._Mylast);
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std::swap(_Myend, _Right._Myend);
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}
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else
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{ // different allocator, do multiple assigns
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_Myt _Ts = *this; *this = _Right, _Right = _Ts;
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}
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}
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friend void swap(_Myt& _Left, _Myt& _Right)
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{ // swap _Left and _Right vectors
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_Left.swap(_Right);
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}
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protected:
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void _Assign_n(size_type _Count, const _Ty& _Val)
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{ // assign _Count * _Val
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_Ty _Tmp = _Val; // in case _Val is in sequence
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erase(begin(), end());
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insert(begin(), _Count, _Tmp);
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}
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bool _Buy(size_type _Capacity)
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{ // allocate array with _Capacity elements
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_Myfirst = 0, _Mylast = 0, _Myend = 0;
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if (_Capacity == 0)
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return (false);
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else if (max_size() < _Capacity)
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_Xlen(); // result too long
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else
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{ // nonempty array, allocate storage
|
|
_Myfirst = this->_Alval.allocate(_Capacity, (void *)0);
|
|
_Mylast = _Myfirst;
|
|
_Myend = _Myfirst + _Capacity;
|
|
}
|
|
return (true);
|
|
}
|
|
|
|
void _Destroy(pointer _First, pointer _Last)
|
|
{ // destroy [_First, _Last) using allocator
|
|
_Destroy_range(_First, _Last, this->_Alval);
|
|
}
|
|
|
|
void _Tidy()
|
|
{ // free all storage
|
|
if (_Myfirst != 0)
|
|
{ // something to free, destroy and deallocate it
|
|
_Destroy(_Myfirst, _Mylast);
|
|
this->_Alval.deallocate(_Myfirst, _Myend - _Myfirst);
|
|
}
|
|
_Myfirst = 0, _Mylast = 0, _Myend = 0;
|
|
}
|
|
|
|
template<class _Iter>
|
|
pointer _Ucopy(_Iter _First, _Iter _Last, pointer _Ptr)
|
|
{ // copy initializing [_First, _Last), using allocator
|
|
return (_Uninitialized_copy(_First, _Last,
|
|
_Ptr, this->_Alval));
|
|
}
|
|
|
|
void _Insert_n(iterator _Where, size_type _Count, const _Ty& _Val)
|
|
{ // insert _Count * _Val at _Where
|
|
_Ty _Tmp = _Val; // in case _Val is in sequence
|
|
size_type _Capacity = capacity();
|
|
|
|
if (_Count == 0)
|
|
;
|
|
else if (max_size() - size() < _Count)
|
|
_Xlen(); // result too long
|
|
else if (_Capacity < size() + _Count)
|
|
{ // not enough room, reallocate
|
|
_Capacity = max_size() - _Capacity / 2 < _Capacity
|
|
? 0 : _Capacity + _Capacity / 2; // try to grow by 50%
|
|
if (_Capacity < size() + _Count)
|
|
_Capacity = size() + _Count;
|
|
pointer _Newvec = this->_Alval.allocate(_Capacity, (void *)0);
|
|
pointer _Ptr = _Newvec;
|
|
|
|
_TRY_BEGIN
|
|
_Ptr = _Ucopy(begin(), _Where, _Newvec); // copy prefix
|
|
_Ptr = _Ufill(_Ptr, _Count, _Tmp); // add new stuff
|
|
_Ucopy(_Where, end(), _Ptr); // copy suffix
|
|
_CATCH_ALL
|
|
_Destroy(_Newvec, _Ptr);
|
|
this->_Alval.deallocate(_Newvec, _Capacity);
|
|
_RERAISE;
|
|
_CATCH_END
|
|
|
|
_Count += size();
|
|
if (_Myfirst != 0)
|
|
{ // destroy and deallocate old array
|
|
_Destroy(_Myfirst, _Mylast);
|
|
this->_Alval.deallocate(_Myfirst, _Myend - _Myfirst);
|
|
}
|
|
_Myend = _Newvec + _Capacity;
|
|
_Mylast = _Newvec + _Count;
|
|
_Myfirst = _Newvec;
|
|
}
|
|
else if ((size_type)(end() - _Where) < _Count)
|
|
{ // new stuff spills off end
|
|
_Ucopy(_Where, end(), _Where.base() + _Count); // copy suffix
|
|
|
|
_TRY_BEGIN
|
|
_Ufill(_Mylast, _Count - (end() - _Where),
|
|
_Tmp); // insert new stuff off end
|
|
_CATCH_ALL
|
|
_Destroy(_Where.base() + _Count, _Mylast + _Count);
|
|
_RERAISE;
|
|
_CATCH_END
|
|
|
|
_Mylast += _Count;
|
|
fill(_Where, end() - _Count, _Tmp); // insert up to old end
|
|
}
|
|
else
|
|
{ // new stuff can all be assigned
|
|
iterator _Oldend = end();
|
|
_Mylast = _Ucopy(_Oldend - _Count, _Oldend,
|
|
_Mylast); // copy suffix
|
|
copy_backward(_Where, _Oldend - _Count, _Oldend); // copy hole
|
|
fill(_Where, _Where + _Count, _Tmp); // insert into hole
|
|
}
|
|
}
|
|
|
|
pointer _Ufill(pointer _Ptr, size_type _Count, const _Ty &_Val)
|
|
{ // copy initializing _Count * _Val, using allocator
|
|
_Uninitialized_fill_n(_Ptr, _Count, _Val, this->_Alval);
|
|
return (_Ptr + _Count);
|
|
}
|
|
|
|
void _Xlen() const
|
|
{ // report a length_error
|
|
_THROW(length_error, "vector<T> too long");
|
|
}
|
|
|
|
void _Xran() const
|
|
{ // report an out_of_range error
|
|
_THROW(out_of_range, "invalid vector<T> subscript");
|
|
}
|
|
|
|
pointer _Myfirst; // pointer to beginning of array
|
|
pointer _Mylast; // pointer to current end of sequence
|
|
pointer _Myend; // pointer to end of array
|
|
};
|
|
|
|
// vector TEMPLATE FUNCTIONS
|
|
template<class _Ty, class _Alloc> inline
|
|
bool operator==(const vector<_Ty, _Alloc>& _Left,
|
|
const vector<_Ty, _Alloc>& _Right)
|
|
{ // test for vector equality
|
|
return (_Left._Eq(_Right));
|
|
}
|
|
|
|
template<class _Ty, class _Alloc> inline
|
|
bool operator!=(const vector<_Ty, _Alloc>& _Left,
|
|
const vector<_Ty, _Alloc>& _Right)
|
|
{ // test for vector inequality
|
|
return (!(_Left == _Right));
|
|
}
|
|
|
|
template<class _Ty, class _Alloc> inline
|
|
bool operator<(const vector<_Ty, _Alloc>& _Left,
|
|
const vector<_Ty, _Alloc>& _Right)
|
|
{ // test if _Left < _Right for vectors
|
|
return (_Left._Lt(_Right));
|
|
}
|
|
|
|
template<class _Ty, class _Alloc> inline
|
|
bool operator>(const vector<_Ty, _Alloc>& _Left,
|
|
const vector<_Ty, _Alloc>& _Right)
|
|
{ // test if _Left > _Right for vectors
|
|
return (_Right < _Left);
|
|
}
|
|
|
|
template<class _Ty, class _Alloc> inline
|
|
bool operator<=(const vector<_Ty, _Alloc>& _Left,
|
|
const vector<_Ty, _Alloc>& _Right)
|
|
{ // test if _Left <= _Right for vectors
|
|
return (!(_Right < _Left));
|
|
}
|
|
|
|
template<class _Ty, class _Alloc> inline
|
|
bool operator>=(const vector<_Ty, _Alloc>& _Left,
|
|
const vector<_Ty, _Alloc>& _Right)
|
|
{ // test if _Left >= _Right for vectors
|
|
return (!(_Left < _Right));
|
|
}
|
|
|
|
// CLASS vector<bool>
|
|
typedef unsigned _Vbase; // word type for vector<bool> representation
|
|
const int _VBITS = 8 * sizeof (_Vbase); // at least CHAR_BITS bits per word
|
|
|
|
typedef allocator<_Vbase> _Bool_allocator;
|
|
|
|
template<> class vector<_Bool, _Bool_allocator>
|
|
{ // varying size array of bits
|
|
public:
|
|
typedef _Bool_allocator _Alloc;
|
|
typedef _Alloc::size_type size_type;
|
|
typedef _Alloc::difference_type _Dift;
|
|
typedef std::vector<_Vbase, _Alloc> _Vbtype;
|
|
typedef std::vector<_Bool, _Alloc> _Myt;
|
|
typedef _Dift difference_type;
|
|
typedef _Bool _Ty;
|
|
typedef _Alloc allocator_type;
|
|
|
|
// CLASS reference
|
|
class reference
|
|
{ // reference to a bit within a base word
|
|
public:
|
|
reference()
|
|
: _Mask(0), _Myptr(0)
|
|
{ // construct with null word pointer
|
|
}
|
|
|
|
reference(size_t _Off, _Vbase *_Ptr)
|
|
: _Mask((_Vbase)(1 << _Off)), _Myptr(_Ptr)
|
|
{ // construct with bit offset _Off in word *_Ptr
|
|
}
|
|
|
|
reference& operator=(const reference& _Right)
|
|
{ // assign reference _Right to bit
|
|
return (*this = bool(_Right));
|
|
}
|
|
|
|
reference& operator=(bool _Val)
|
|
{ // assign _Val to bit
|
|
if (_Val)
|
|
*_Myptr |= _Mask;
|
|
else
|
|
*_Myptr &= ~_Mask;
|
|
return (*this);
|
|
}
|
|
|
|
void flip()
|
|
{ // toggle the bit
|
|
*_Myptr ^= _Mask;
|
|
}
|
|
|
|
bool operator~() const
|
|
{ // test if bit is reset
|
|
return (!bool(*this));
|
|
}
|
|
|
|
operator bool() const
|
|
{ // test if bit is set
|
|
return ((*_Myptr & _Mask) != 0);
|
|
}
|
|
|
|
protected:
|
|
_Vbase _Mask; // bit selection mask
|
|
_Vbase *_Myptr; // pointer to base word
|
|
};
|
|
|
|
typedef reference _Reft;
|
|
typedef bool const_reference;
|
|
typedef bool value_type;
|
|
|
|
#define _VB_TYPENAME
|
|
|
|
// CLASS const_iterator
|
|
class const_iterator
|
|
: public _Ranit<_Bool, _Dift, const_reference *, const_reference>
|
|
{ // iterator for nonmutable vector<bool>
|
|
public:
|
|
typedef random_access_iterator_tag iterator_category;
|
|
typedef _Bool value_type;
|
|
typedef _Dift difference_type;
|
|
typedef const_reference *pointer;
|
|
typedef const_reference reference;
|
|
|
|
const_iterator()
|
|
: _Myoff(0), _Myptr(0)
|
|
{ // construct with null pointer
|
|
}
|
|
|
|
const_iterator(size_t _Off,
|
|
_VB_TYPENAME _Vbtype::const_iterator _Where)
|
|
: _Myoff(_Off), _Myptr(_Where.base())
|
|
{ // construct with offset _Off at iterator _Where
|
|
}
|
|
|
|
const_reference operator*() const
|
|
{ // return designated object
|
|
return (_Reft(_Myoff, (_Vbase *)_Myptr));
|
|
}
|
|
|
|
const_iterator& operator++()
|
|
{ // preincrement
|
|
_Inc();
|
|
return (*this);
|
|
}
|
|
|
|
const_iterator operator++(int)
|
|
{ // postincrement
|
|
const_iterator _Tmp = *this;
|
|
_Inc();
|
|
return (_Tmp);
|
|
}
|
|
|
|
const_iterator& operator--()
|
|
{ // predecrement
|
|
_Dec();
|
|
return (*this);
|
|
}
|
|
|
|
const_iterator operator--(int)
|
|
{ // postdecrement
|
|
const_iterator _Tmp = *this;
|
|
_Dec();
|
|
return (_Tmp);
|
|
}
|
|
|
|
const_iterator& operator+=(difference_type _Off)
|
|
{ // increment by integer
|
|
_Myoff += _Off;
|
|
_Myptr += _Myoff / _VBITS;
|
|
_Myoff %= _VBITS;
|
|
return (*this);
|
|
}
|
|
|
|
const_iterator operator+(difference_type _Off) const
|
|
{ // return this + integer
|
|
const_iterator _Tmp = *this;
|
|
return (_Tmp += _Off);
|
|
}
|
|
|
|
const_iterator& operator-=(difference_type _Off)
|
|
{ // decrement by integer
|
|
return (*this += -_Off);
|
|
}
|
|
|
|
const_iterator operator-(difference_type _Off) const
|
|
{ // return this - integer
|
|
const_iterator _Tmp = *this;
|
|
return (_Tmp -= _Off);
|
|
}
|
|
|
|
difference_type operator-(const const_iterator _Right) const
|
|
{ // return difference of iterators
|
|
return (_VBITS * (_Myptr - _Right._Myptr)
|
|
+ (difference_type)_Myoff
|
|
- (difference_type)_Right._Myoff);
|
|
}
|
|
|
|
const_reference operator[](difference_type _Off) const
|
|
{ // subscript
|
|
return (*(*this + _Off));
|
|
}
|
|
|
|
bool operator==(const const_iterator& _Right) const
|
|
{ // test for iterator equality
|
|
return (_Myptr == _Right._Myptr && _Myoff == _Right._Myoff);
|
|
}
|
|
|
|
bool operator!=(const const_iterator& _Right) const
|
|
{ // test for iterator inequality
|
|
return (!(*this == _Right));
|
|
}
|
|
|
|
bool operator<(const const_iterator& _Right) const
|
|
{ // test if this < _Right
|
|
return (_Myptr < _Right._Myptr
|
|
|| _Myptr == _Right._Myptr && _Myoff < _Right._Myoff);
|
|
}
|
|
|
|
bool operator>(const const_iterator& _Right) const
|
|
{ // test if this > _Right
|
|
return (_Right < *this);
|
|
}
|
|
|
|
bool operator<=(const const_iterator& _Right) const
|
|
{ // test if this <= _Right
|
|
return (!(_Right < *this));
|
|
}
|
|
|
|
bool operator>=(const const_iterator& _Right) const
|
|
{ // test if this >= _Right
|
|
return (!(*this < _Right));
|
|
}
|
|
|
|
friend const_iterator operator+(difference_type _Off,
|
|
const const_iterator& _Right)
|
|
{ // return iterator + integer
|
|
return (_Right + _Off);
|
|
}
|
|
|
|
protected:
|
|
void _Dec()
|
|
{ // decrement bit position
|
|
if (_Myoff != 0)
|
|
--_Myoff;
|
|
else
|
|
_Myoff = _VBITS - 1, --_Myptr;
|
|
}
|
|
|
|
void _Inc()
|
|
{ // increment bit position
|
|
if (_Myoff < _VBITS - 1)
|
|
++_Myoff;
|
|
else
|
|
_Myoff = 0, ++_Myptr;
|
|
}
|
|
|
|
size_t _Myoff; // offset of bit in word
|
|
const _Vbase *_Myptr; // pointer to base of word array
|
|
};
|
|
|
|
// CLASS iterator
|
|
class iterator
|
|
: public const_iterator
|
|
{ // iterator for mutable vector<bool>
|
|
public:
|
|
typedef random_access_iterator_tag iterator_category;
|
|
typedef _Bool value_type;
|
|
typedef _Dift difference_type;
|
|
typedef _Reft *pointer;
|
|
typedef _Reft reference;
|
|
|
|
iterator()
|
|
: const_iterator()
|
|
{ // construct with null pointer
|
|
}
|
|
|
|
iterator(size_t _Off, _VB_TYPENAME _Vbtype::iterator _Where)
|
|
: const_iterator(_Off, _Where)
|
|
{ // construct with offset _Off at iterator _Where
|
|
}
|
|
|
|
reference operator*() const
|
|
{ // return designated object
|
|
return (_Reft(_Myoff, (_Vbase *)_Myptr));
|
|
}
|
|
|
|
iterator& operator++()
|
|
{ // preincrement
|
|
_Inc();
|
|
return (*this);
|
|
}
|
|
|
|
iterator operator++(int)
|
|
{ // postincrement
|
|
iterator _Tmp = *this;
|
|
_Inc();
|
|
return (_Tmp);
|
|
}
|
|
|
|
iterator& operator--()
|
|
{ // predecrement
|
|
_Dec();
|
|
return (*this);
|
|
}
|
|
|
|
iterator operator--(int)
|
|
{ // postdecrement
|
|
iterator _Tmp = *this;
|
|
_Dec();
|
|
return (_Tmp);
|
|
}
|
|
|
|
iterator& operator+=(difference_type _Off)
|
|
{ // increment by integer
|
|
_Myoff += _Off;
|
|
_Myptr += _Myoff / _VBITS;
|
|
_Myoff %= _VBITS;
|
|
return (*this);
|
|
}
|
|
|
|
iterator operator+(difference_type _Off) const
|
|
{ // return this + integer
|
|
iterator _Tmp = *this;
|
|
return (_Tmp += _Off);
|
|
}
|
|
|
|
iterator& operator-=(difference_type _Off)
|
|
{ // decrement by integer
|
|
return (*this += -_Off);
|
|
}
|
|
|
|
iterator operator-(difference_type _Off) const
|
|
{ // return this - integer
|
|
iterator _Tmp = *this;
|
|
return (_Tmp -= _Off);
|
|
}
|
|
|
|
difference_type operator-(const iterator _Right) const
|
|
{ // return difference of iterators
|
|
return (_VBITS * (_Myptr - _Right._Myptr)
|
|
+ (difference_type)_Myoff
|
|
- (difference_type)_Right._Myoff);
|
|
}
|
|
|
|
reference operator[](difference_type _Off) const
|
|
{ // subscript
|
|
return (*(*this + _Off));
|
|
}
|
|
|
|
friend iterator operator+(difference_type _Off,
|
|
const iterator& _Right)
|
|
{ // return iterator + integer
|
|
return (_Right + _Off);
|
|
}
|
|
};
|
|
|
|
typedef iterator pointer;
|
|
typedef const_iterator const_pointer;
|
|
typedef std::reverse_iterator<iterator> reverse_iterator;
|
|
typedef std::reverse_iterator<const_iterator> const_reverse_iterator;
|
|
|
|
vector()
|
|
: _Mysize(0), _Myvec()
|
|
{ // construct empty vector
|
|
}
|
|
|
|
explicit vector(const _Alloc& _Al)
|
|
: _Mysize(0), _Myvec(_Al)
|
|
{ // construct empty vector, with allocator
|
|
}
|
|
|
|
explicit vector(size_type _Count, bool _Val = false)
|
|
: _Mysize(0), _Myvec(_Nw(_Count), (_Vbase)(_Val ? -1 : 0))
|
|
{ // construct from _Count * _Val
|
|
_Trim(_Count);
|
|
}
|
|
|
|
vector(size_type _Count, bool _Val, const _Alloc& _Al)
|
|
: _Mysize(0), _Myvec(_Nw(_Count), (_Vbase)(_Val ? -1 : 0), _Al)
|
|
{ // construct from _Count * _Val, with allocator
|
|
_Trim(_Count);
|
|
}
|
|
|
|
template<class _Iter>
|
|
vector(_Iter _First, _Iter _Last)
|
|
: _Mysize(0), _Myvec()
|
|
{ // construct from [_First, _Last)
|
|
_BConstruct(_First, _Last, _Iter_cat(_First));
|
|
}
|
|
|
|
template<class _Iter>
|
|
vector(_Iter _First, _Iter _Last, const _Alloc& _Al)
|
|
: _Mysize(0), _Myvec(_Al)
|
|
{ // construct from [_First, _Last), with allocator
|
|
_BConstruct(_First, _Last, _Iter_cat(_First));
|
|
}
|
|
|
|
template<class _Iter>
|
|
void _BConstruct(_Iter _Count, _Iter _Val, _Int_iterator_tag)
|
|
{ // initialize from _Count * _Val
|
|
size_type _Num = (size_type)_Count;
|
|
_Myvec.assign(_Num, (_Ty)_Val ? -1 : 0);
|
|
_Trim(_Num);
|
|
}
|
|
|
|
template<class _Iter>
|
|
void _BConstruct(_Iter _First, _Iter _Last, input_iterator_tag)
|
|
{ // initialize from [_First, _Last), input iterators
|
|
insert(begin(), _First, _Last);
|
|
}
|
|
|
|
~vector()
|
|
{ // destroy the object
|
|
_Mysize = 0;
|
|
}
|
|
|
|
void reserve(size_type _Count)
|
|
{ // determine new minimum length of allocated storage
|
|
_Myvec.reserve(_Nw(_Count));
|
|
}
|
|
|
|
size_type capacity() const
|
|
{ // return current length of allocated storage
|
|
return (_Myvec.capacity() * _VBITS);
|
|
}
|
|
|
|
iterator begin()
|
|
{ // return iterator for beginning of mutable sequence
|
|
return (iterator(0, _Myvec.begin()));
|
|
}
|
|
|
|
const_iterator begin() const
|
|
{ // return iterator for beginning of nonmutable sequence
|
|
return (const_iterator(0, _Myvec.begin()));
|
|
}
|
|
|
|
iterator end()
|
|
{ // return iterator for end of mutable sequence
|
|
iterator _Tmp = begin();
|
|
if (0 < _Mysize)
|
|
_Tmp += _Mysize;
|
|
return (_Tmp);
|
|
}
|
|
|
|
const_iterator end() const
|
|
{ // return iterator for end of nonmutable sequence
|
|
const_iterator _Tmp = begin();
|
|
if (0 < _Mysize)
|
|
_Tmp += _Mysize;
|
|
return (_Tmp);
|
|
}
|
|
|
|
reverse_iterator rbegin()
|
|
{ // return iterator for beginning of reversed mutable sequence
|
|
return (reverse_iterator(end()));
|
|
}
|
|
|
|
const_reverse_iterator rbegin() const
|
|
{ // return iterator for beginning of reversed nonmutable sequence
|
|
return (const_reverse_iterator(end()));
|
|
}
|
|
|
|
reverse_iterator rend()
|
|
{ // return iterator for end of reversed mutable sequence
|
|
return (reverse_iterator(begin()));
|
|
}
|
|
|
|
const_reverse_iterator rend() const
|
|
{ // return iterator for end of reversed nonmutable sequence
|
|
return (const_reverse_iterator(begin()));
|
|
}
|
|
|
|
void resize(size_type _Newsize, bool _Val = false)
|
|
{ // determine new length, padding with _Val elements as needed
|
|
if (size() < _Newsize)
|
|
_Insert_n(end(), _Newsize - size(), _Val);
|
|
else if (_Newsize < size())
|
|
erase(begin() + _Newsize, end());
|
|
}
|
|
|
|
size_type size() const
|
|
{ // return length of sequence
|
|
return (_Mysize);
|
|
}
|
|
|
|
size_type max_size() const
|
|
{ // return maximum possible length of sequence
|
|
const size_type _Maxsize = _Myvec.max_size();
|
|
return (_Maxsize < (size_type)(-1) / _VBITS
|
|
? _Maxsize * _VBITS : (size_type)(-1));
|
|
}
|
|
|
|
bool empty() const
|
|
{ // test if sequence is empty
|
|
return (size() == 0);
|
|
}
|
|
|
|
_Alloc get_allocator() const
|
|
{ // return allocator object for values
|
|
return (_Myvec.get_allocator());
|
|
}
|
|
|
|
const_reference at(size_type _Off) const
|
|
{ // subscript nonmutable sequence with checking
|
|
if (size() <= _Off)
|
|
_Xran();
|
|
return (*(begin() + _Off));
|
|
}
|
|
|
|
reference at(size_type _Off)
|
|
{ // subscript mutable sequence with checking
|
|
if (size() <= _Off)
|
|
_Xran();
|
|
return (*(begin() + _Off));
|
|
}
|
|
|
|
const_reference operator[](size_type _Off) const
|
|
{ // subscript nonmutable sequence
|
|
return (*(begin() + _Off));
|
|
}
|
|
|
|
reference operator[](size_type _Off)
|
|
{ // subscript mutable sequence
|
|
return (*(begin() + _Off));
|
|
}
|
|
|
|
reference front()
|
|
{ // return first element of mutable sequence
|
|
return (*begin());
|
|
}
|
|
|
|
const_reference front() const
|
|
{ // return first element of nonmutable sequence
|
|
return (*begin());
|
|
}
|
|
|
|
reference back()
|
|
{ // return last element of mutable sequence
|
|
return (*(end() - 1));
|
|
}
|
|
|
|
const_reference back() const
|
|
{ // return last element of nonmutable sequence
|
|
return (*(end() - 1));
|
|
}
|
|
|
|
void push_back(bool _Val)
|
|
{ // insert element at end
|
|
insert(end(), _Val);
|
|
}
|
|
|
|
void pop_back()
|
|
{ // erase element at end
|
|
if (!empty())
|
|
erase(end() - 1);
|
|
}
|
|
|
|
template<class _Iter>
|
|
void assign(_Iter _First, _Iter _Last)
|
|
{ // assign [_First, _Last)
|
|
_Assign(_First, _Last, _Iter_cat(_First));
|
|
}
|
|
|
|
template<class _Iter>
|
|
void _Assign(_Iter _Count, _Iter _Val, _Int_iterator_tag)
|
|
{ // assign _Count * _Val
|
|
_Assign_n((size_type)_Count, (bool)_Val);
|
|
}
|
|
|
|
template<class _Iter>
|
|
void _Assign(_Iter _First, _Iter _Last, input_iterator_tag)
|
|
{ // assign [_First, _Last), input iterators
|
|
erase(begin(), end());
|
|
insert(begin(), _First, _Last);
|
|
}
|
|
|
|
void assign(size_type _Count, bool _Val)
|
|
{ // assign _Count * _Val
|
|
_Assign_n(_Count, _Val);
|
|
}
|
|
|
|
iterator insert(iterator _Where, bool _Val)
|
|
{ // insert _Val at _Where
|
|
size_type _Off = _Where - begin();
|
|
_Insert_n(_Where, (size_type)1, _Val);
|
|
return (begin() + _Off);
|
|
}
|
|
|
|
void insert(iterator _Where, size_type _Count, bool _Val)
|
|
{ // insert _Count * _Val at _Where
|
|
_Insert_n(_Where, _Count, _Val);
|
|
}
|
|
|
|
template<class _Iter>
|
|
void insert(iterator _Where, _Iter _First, _Iter _Last)
|
|
{ // insert [_First, _Last) at _Where
|
|
_Insert(_Where, _First, _Last, _Iter_cat(_First));
|
|
}
|
|
|
|
template<class _Iter>
|
|
void _Insert(iterator _Where, _Iter _Count, _Iter _Val,
|
|
_Int_iterator_tag)
|
|
{ // insert _Count * _Val at _Where
|
|
_Insert_n(_Where, (size_type)_Count, (bool)_Val);
|
|
}
|
|
|
|
template<class _Iter>
|
|
void _Insert(iterator _Where, _Iter _First, _Iter _Last,
|
|
input_iterator_tag)
|
|
{ // insert [_First, _Last) at _Where, input iterators
|
|
size_type _Off = _Where - begin();
|
|
|
|
for (; _First != _Last; ++_First, ++_Off)
|
|
insert(begin() + _Off, *_First);
|
|
}
|
|
|
|
template<class _Iter>
|
|
void _Insert(iterator _Where, _Iter _First, _Iter _Last,
|
|
forward_iterator_tag)
|
|
{ // insert [_First, _Last) at _Where, forward iterators
|
|
size_type _Capacity = 0;
|
|
_Distance(_First, _Last, _Capacity);
|
|
|
|
if (_Capacity == 0)
|
|
;
|
|
else if (max_size() - size() < _Capacity)
|
|
_Xlen(); // result too long
|
|
else
|
|
{ // worth doing
|
|
if (size() == 0)
|
|
{ // originally empty, just make room
|
|
_Myvec.resize(_Nw(size() + _Capacity), 0);
|
|
_Where = begin();
|
|
}
|
|
else
|
|
{ // make room and copy down suffix
|
|
size_type _Off = _Where - begin();
|
|
_Myvec.resize(_Nw(size() + _Capacity), 0);
|
|
_Where = begin() + _Off;
|
|
copy_backward(_Where, end(), end() + _Capacity);
|
|
}
|
|
|
|
copy(_First, _Last, _Where); // add new stuff
|
|
_Mysize += _Capacity;
|
|
}
|
|
}
|
|
|
|
iterator erase(iterator _Where)
|
|
{ // erase element at _Where
|
|
copy(_Where + 1, end(), _Where);
|
|
_Trim(_Mysize - 1);
|
|
return (_Where);
|
|
}
|
|
|
|
iterator erase(iterator _First, iterator _Last)
|
|
{ // erase [_First, _Last)
|
|
iterator _Next = copy(_Last, end(), _First);
|
|
_Trim(_Next - begin());
|
|
return (_First);
|
|
}
|
|
|
|
void clear()
|
|
{ // erase all elements
|
|
erase(begin(), end());
|
|
}
|
|
|
|
void flip()
|
|
{ // toggle all elements
|
|
for (_Vbtype::iterator _Next = _Myvec.begin();
|
|
_Next != _Myvec.end(); ++_Next)
|
|
*_Next = (_Vbase)~*_Next;
|
|
_Trim(_Mysize);
|
|
}
|
|
|
|
bool _Eq(const _Myt& _Right) const
|
|
{ // test for vector<bool> equality
|
|
return (_Mysize == _Right._Mysize && _Myvec == _Right._Myvec);
|
|
}
|
|
|
|
bool _Lt(const _Myt& _Right) const
|
|
{ // test if this < _Right for vector<bool>
|
|
return (lexicographical_compare(begin(), end(),
|
|
_Right.begin(), _Right.end()));
|
|
}
|
|
|
|
void swap(_Myt& _Right)
|
|
{ // exchange contents with right
|
|
std::swap(_Mysize, _Right._Mysize);
|
|
_Myvec.swap(_Right._Myvec);
|
|
}
|
|
|
|
friend void swap(_Myt& _Left, _Myt& _Right)
|
|
{ // swap _Left and _Right vector<bool>s
|
|
_Left.swap(_Right);
|
|
}
|
|
|
|
static void swap(reference _Left, reference _Right)
|
|
{ // swap _Left and _Right vector<bool> elements
|
|
bool _Val = _Left;
|
|
_Left = _Right;
|
|
_Right = _Val;
|
|
}
|
|
|
|
protected:
|
|
void _Assign_n(size_type _Count, bool _Val)
|
|
{ // assign _Count * _Val
|
|
erase(begin(), end());
|
|
_Insert_n(begin(), _Count, _Val);
|
|
}
|
|
|
|
void _Insert_n(iterator _Where, size_type _Count, bool _Val)
|
|
{ // insert _Count * _Val at _Where
|
|
if (_Count == 0)
|
|
;
|
|
else if (max_size() - size() < _Count)
|
|
_Xlen(); // result too long
|
|
else
|
|
{ // worth doing
|
|
if (size() == 0)
|
|
{ // originally empty, just make room
|
|
_Myvec.resize(_Nw(size() + _Count), 0);
|
|
_Where = begin();
|
|
}
|
|
else
|
|
{ // make room and copy down suffix
|
|
size_type _Off = _Where - begin();
|
|
_Myvec.resize(_Nw(size() + _Count), 0);
|
|
_Where = begin() + _Off;
|
|
copy_backward(_Where, end(), end() + _Count);
|
|
}
|
|
|
|
fill(_Where, _Where + _Count, _Val); // add new stuff
|
|
_Mysize += _Count;
|
|
}
|
|
}
|
|
|
|
static size_type _Nw(size_type _Count)
|
|
{ // return number of base words from number of bits
|
|
return ((_Count + _VBITS - 1) / _VBITS);
|
|
}
|
|
|
|
void _Trim(size_type _Size)
|
|
{ // trim base vector to exact length in bits
|
|
if (max_size() < _Size)
|
|
_Xlen(); // result too long
|
|
size_type _Words = _Nw(_Size);
|
|
|
|
if (_Words < _Myvec.size())
|
|
_Myvec.erase(_Myvec.begin() + _Words, _Myvec.end());
|
|
_Mysize = _Size;
|
|
_Size %= _VBITS;
|
|
if (0 < _Size)
|
|
_Myvec[_Words - 1] &= (_Vbase)((1 << _Size) - 1);
|
|
}
|
|
|
|
void _Xlen() const
|
|
{ // report a length_error
|
|
_THROW(length_error, "vector<bool> too long");
|
|
}
|
|
|
|
void _Xran() const
|
|
{ // throw an out_of_range error
|
|
_THROW(out_of_range, "invalid vector<bool> subscript");
|
|
}
|
|
|
|
size_type _Mysize; // current length of sequence
|
|
_Vbtype _Myvec; // base vector of words
|
|
};
|
|
|
|
typedef vector<_Bool, _Bool_allocator> _Bvector;
|
|
_STD_END
|
|
#pragma warning(default: 4244)
|
|
#pragma warning(pop)
|
|
#pragma pack(pop)
|
|
|
|
#endif /* _VECTOR_ */
|
|
|
|
/*
|
|
* Copyright (c) 1992-2001 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.
|
|
V3.10:0009 */
|