windows-nt/Source/XPSP1/NT/base/crts/libw32/include/vector
2020-09-26 16:20:57 +08:00

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// vector standard header
#pragma once
#ifndef _VECTOR_
#define _VECTOR_
#include <memory>
#include <stdexcept>
#pragma pack(push,8)
#pragma warning(push,3)
#pragma warning(disable: 4244)
_STD_BEGIN
// TEMPLATE CLASS _Vector_val
template<class _Ty, class _Alloc>
class _Vector_val
{ // base class for vector to hold allocator _Alval
protected:
_Vector_val(_Alloc _Al = _Alloc())
: _Alval(_Al)
{ // construct allocator from _Al
}
typedef typename _Alloc::_TEMPLATE_MEMBER
rebind<_Ty>::other _Alty;
_Alty _Alval; // allocator object for values
};
// TEMPLATE CLASS vector
template<class _Ty,
class _Ax = allocator<_Ty> >
class vector
: public _Vector_val<_Ty, _Ax>
{ // varying size array of values
public:
typedef vector<_Ty, _Ax> _Myt;
typedef _Vector_val<_Ty, _Ax> _Mybase;
typedef typename _Mybase::_Alty _Alloc;
typedef _Alloc allocator_type;
typedef typename _Alloc::size_type size_type;
typedef typename _Alloc::difference_type difference_type;
typedef typename _Alloc::pointer _Tptr;
typedef typename _Alloc::const_pointer _Ctptr;
typedef _Tptr pointer;
typedef _Ctptr const_pointer;
typedef typename _Alloc::reference reference;
typedef typename _Alloc::const_reference const_reference;
typedef typename _Alloc::value_type value_type;
typedef _Ptrit<value_type, difference_type, _Tptr,
reference, _Tptr, reference> iterator;
typedef _Ptrit<value_type, difference_type, _Ctptr,
const_reference, _Tptr, reference> const_iterator;
typedef std::reverse_iterator<iterator>
reverse_iterator;
typedef std::reverse_iterator<const_iterator>
const_reverse_iterator;
vector()
: _Mybase()
{ // construct empty vector
_Buy(0);
}
explicit vector(const _Alloc& _Al)
: _Mybase(_Al)
{ // construct empty vector with allocator
_Buy(0);
}
explicit vector(size_type _Count)
: _Mybase()
{ // construct from _Count * _Ty()
_Ty _Val = _Ty(); // may throw
if (_Buy(_Count))
_Construct_n(_Count, _Val);
}
vector(size_type _Count, const _Ty& _Val)
: _Mybase()
{ // construct from _Count * _Val
if (_Buy(_Count))
_Construct_n(_Count, _Val);
}
vector(size_type _Count, const _Ty& _Val, const _Alloc& _Al)
: _Mybase(_Al)
{ // construct from _Count * _Val, with allocator
if (_Buy(_Count))
_Construct_n(_Count, _Val);
}
vector(const _Myt& _Right)
: _Mybase(_Right._Alval)
{ // construct by copying _Right
if (_Buy(_Right.size()))
_TRY_BEGIN
_Mylast = _Ucopy(_Right.begin(), _Right.end(), _Myfirst);
_CATCH_ALL
_Tidy();
_RERAISE;
_CATCH_END
}
template<class _Iter>
vector(_Iter _First, _Iter _Last)
: _Mybase()
{ // construct from [_First, _Last)
_Construct(_First, _Last, _Iter_cat(_First));
}
template<class _Iter>
vector(_Iter _First, _Iter _Last, const _Alloc& _Al)
: _Mybase(_Al)
{ // construct from [_First, _Last), with allocator
_Construct(_First, _Last, _Iter_cat(_First));
}
template<class _Iter>
void _Construct(_Iter _Count, _Iter _Val, _Int_iterator_tag)
{ // initialize with _Count * _Val
size_type _Size = (size_type)_Count;
if (_Buy(_Size))
_Construct_n(_Size, _Val);
}
template<class _Iter>
void _Construct(_Iter _First, _Iter _Last, input_iterator_tag)
{ // initialize with [_First, _Last), input iterators
_Buy(0);
_TRY_BEGIN
insert(begin(), _First, _Last);
_CATCH_ALL
_Tidy();
_RERAISE;
_CATCH_END
}
void _Construct_n(size_type _Count, const _Ty& _Val)
{ // construct from _Count * _Val
_TRY_BEGIN
_Mylast = _Ufill(_Myfirst, _Count, _Val);
_CATCH_ALL
_Tidy();
_RERAISE;
_CATCH_END
}
~vector()
{ // destroy the object
_Tidy();
}
_Myt& operator=(const _Myt& _Right)
{ // assign _Right
if (this == &_Right)
; // nothing to do
else if (_Right.size() == 0)
clear(); // new sequence empty, free storage
else if (_Right.size() <= size())
{ // enough elements, copy new and destroy old
pointer _Ptr = copy(_Right.begin(), _Right.end(), _Myfirst);
_Destroy(_Ptr, _Mylast);
_Mylast = _Myfirst + _Right.size();
}
else if (_Right.size() <= capacity())
{ // enough room, copy and construct new
const_iterator _Where = _Right.begin() + size();
copy(_Right.begin(), _Where, _Myfirst);
_Mylast = _Ucopy(_Where, _Right.end(), _Mylast);
}
else
{ // not enough room, allocate new array and construct new
_Destroy(_Myfirst, _Mylast);
this->_Alval.deallocate(_Myfirst, _Myend - _Myfirst);
if (_Buy(_Right.size()))
_Mylast = _Ucopy(_Right.begin(), _Right.end(), _Myfirst);
}
return (*this);
}
void reserve(size_type _Count)
{ // determine new minimum length of allocated storage
if (max_size() < _Count)
_Xlen(); // result too long
else if (capacity() < _Count)
{ // not enough room, reallocate
pointer _Ptr = this->_Alval.allocate(_Count, (void *)0);
_TRY_BEGIN
_Ucopy(begin(), end(), _Ptr);
_CATCH_ALL
this->_Alval.deallocate(_Ptr, _Count);
_RERAISE;
_CATCH_END
size_type _Size = size();
if (_Myfirst != 0)
{ // destroy old array
_Destroy(_Myfirst, _Mylast);
this->_Alval.deallocate(_Myfirst, _Myend - _Myfirst);
}
_Myend = _Ptr + _Count;
_Mylast = _Ptr + _Size;
_Myfirst = _Ptr;
}
}
size_type capacity() const
{ // return current length of allocated storage
return (_Myfirst == 0 ? 0 : _Myend - _Myfirst);
}
iterator begin()
{ // return iterator for beginning of mutable sequence
return (iterator(_Myfirst));
}
const_iterator begin() const
{ // return iterator for beginning of nonmutable sequence
return (const_iterator(_Myfirst));
}
iterator end()
{ // return iterator for end of mutable sequence
return (iterator(_Mylast));
}
const_iterator end() const
{ // return iterator for end of nonmutable sequence
return (const_iterator(_Mylast));
}
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)
{ // determine new length, padding with _Ty() elements as needed
resize(_Newsize, _Ty());
}
void resize(size_type _Newsize, _Ty _Val)
{ // 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 (_Myfirst == 0 ? 0 : _Mylast - _Myfirst);
}
size_type max_size() const
{ // return maximum possible length of sequence
return (this->_Alval.max_size());
}
bool empty() const
{ // test if sequence is empty
return (size() == 0);
}
_Alloc get_allocator() const
{ // return allocator object for values
return (this->_Alval);
}
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));
}
reference operator[](size_type _Off)
{ // subscript mutable sequence
return (*(begin() + _Off));
}
const_reference operator[](size_type _Off) const
{ // subscript nonmutable 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(const _Ty& _Val)
{ // insert element at end
if (size() < capacity())
_Mylast = _Ufill(_Mylast, 1, _Val);
else
insert(end(), _Val);
}
void pop_back()
{ // erase element at end
if (!empty())
{ // erase last element
_Destroy(_Mylast - 1, _Mylast);
--_Mylast;
}
}
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, (_Ty)_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, const _Ty& _Val)
{ // assign _Count * _Val
_Assign_n(_Count, _Val);
}
iterator insert(iterator _Where, const _Ty& _Val)
{ // insert _Val at _Where
size_type _Off = size() == 0 ? 0 : _Where - begin();
_Insert_n(_Where, (size_type)1, _Val);
return (begin() + _Off);
}
void insert(iterator _Where, size_type _Count, const _Ty& _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 _First, _Iter _Last,
_Int_iterator_tag)
{ // insert _Count * _Val at _Where
_Insert_n(_Where, (size_type)_First, (_Ty)_Last);
}
template<class _Iter>
void _Insert(iterator _Where, _Iter _First, _Iter _Last,
input_iterator_tag)
{ // insert [_First, _Last) at _Where, input iterators
for (; _First != _Last; ++_First, ++_Where)
_Where = insert(_Where, *_First);
}
template<class _Iter>
void _Insert(iterator _Where, _Iter _First, _Iter _Last,
forward_iterator_tag)
{ // insert [_First, _Last) at _Where, forward iterators
size_type _Count = 0;
_Distance(_First, _Last, _Count);
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 = _Ucopy(_First, _Last, _Ptr); // 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
_Iter _Mid = _First;
advance(_Mid, end() - _Where);
_TRY_BEGIN
_Ucopy(_Mid, _Last, _Mylast); // insert new stuff off end
_CATCH_ALL
_Destroy(_Where.base() + _Count, _Mylast + _Count);
_RERAISE;
_CATCH_END
_Mylast += _Count;
copy(_First, _Mid, _Where); // 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
copy(_First, _Last, _Where); // insert into hole
}
}
iterator erase(iterator _Where)
{ // erase element at where
copy(_Where + 1, end(), _Where);
_Destroy(_Mylast - 1, _Mylast);
--_Mylast;
return (_Where);
}
iterator erase(iterator _First, iterator _Last)
{ // erase [_First, _Last)
if (_First != _Last)
{ // worth doing, copy down over hole
pointer _Ptr = copy(_Last, end(), _First.base());
_Destroy(_Ptr, _Mylast);
_Mylast = _Ptr;
}
return (_First);
}
void clear()
{ // erase all
_Tidy();
}
bool _Eq(const _Myt& _Right) const
{ // test for vector equality
return (size() == _Right.size()
&& equal(begin(), end(), _Right.begin()));
}
bool _Lt(const _Myt& _Right) const
{ // test if this < _Right for vectors
return (lexicographical_compare(begin(), end(),
_Right.begin(), _Right.end()));
}
void swap(_Myt& _Right)
{ // exchange contents with _Right
if (this->_Alval == _Right._Alval)
{ // same allocator, swap control information
std::swap(_Myfirst, _Right._Myfirst);
std::swap(_Mylast, _Right._Mylast);
std::swap(_Myend, _Right._Myend);
}
else
{ // different allocator, do multiple assigns
_Myt _Ts = *this; *this = _Right, _Right = _Ts;
}
}
friend void swap(_Myt& _Left, _Myt& _Right)
{ // swap _Left and _Right vectors
_Left.swap(_Right);
}
protected:
void _Assign_n(size_type _Count, const _Ty& _Val)
{ // assign _Count * _Val
_Ty _Tmp = _Val; // in case _Val is in sequence
erase(begin(), end());
insert(begin(), _Count, _Tmp);
}
bool _Buy(size_type _Capacity)
{ // allocate array with _Capacity elements
_Myfirst = 0, _Mylast = 0, _Myend = 0;
if (_Capacity == 0)
return (false);
else if (max_size() < _Capacity)
_Xlen(); // result too long
else
{ // 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 */