📄 vector
字号:
// vector standard header
#pragma once
#ifndef _VECTOR_
#define _VECTOR_
#ifndef RC_INVOKED
#include <memory>
#include <stdexcept>
#include <xfunctional>
#pragma pack(push,_CRT_PACKING)
#pragma warning(push,3)
#pragma warning(disable: 4244)
_STD_BEGIN
#define _VECTOR_ORPHAN_RANGE (_ITERATOR_DEBUG_LEVEL == 2)
// TEMPLATE CLASS _Vector_const_iterator
template<class _Myvec>
class _Vector_const_iterator
: public _Iterator012<random_access_iterator_tag,
typename _Myvec::value_type,
typename _Myvec::difference_type,
typename _Myvec::const_pointer,
typename _Myvec::const_reference,
_Iterator_base>
{ // iterator for nonmutable vector
public:
typedef _Vector_const_iterator<_Myvec> _Myiter;
typedef random_access_iterator_tag iterator_category;
typedef typename _Myvec::pointer _Tptr;
typedef typename _Myvec::value_type value_type;
typedef typename _Myvec::difference_type difference_type;
typedef typename _Myvec::const_pointer pointer;
typedef typename _Myvec::const_reference reference;
_Vector_const_iterator()
: _Ptr(0)
{ // construct with null pointer
}
_Vector_const_iterator(_Tptr _Parg, const _Container_base *_Pvector)
: _Ptr(_Parg)
{ // construct with pointer _Parg
this->_Adopt(_Pvector);
}
typedef pointer _Unchecked_type;
_Myiter& _Rechecked(_Unchecked_type _Right)
{ // reset from unchecked iterator
this->_Ptr = (_Tptr)_Right;
return (*this);
}
_Unchecked_type _Unchecked() const
{ // make an unchecked iterator
return (_Unchecked_type(this->_Ptr));
}
reference operator*() const
{ // return designated object
#if _ITERATOR_DEBUG_LEVEL == 2
if (this->_Getcont() == 0
|| this->_Ptr == 0
|| this->_Ptr < ((_Myvec *)this->_Getcont())->_Myfirst
|| ((_Myvec *)this->_Getcont())->_Mylast <= this->_Ptr)
{ // report error
_DEBUG_ERROR("vector iterator not dereferencable");
_SCL_SECURE_OUT_OF_RANGE;
}
#elif _ITERATOR_DEBUG_LEVEL == 1
_SCL_SECURE_VALIDATE(this->_Getcont() != 0);
_SCL_SECURE_VALIDATE_RANGE(
this->_Ptr != 0
&& ((_Myvec *)this->_Getcont())->_Myfirst <= this->_Ptr
&& this->_Ptr < ((_Myvec *)this->_Getcont())->_Mylast);
#endif /* _ITERATOR_DEBUG_LEVEL */
__analysis_assume(this->_Ptr != 0);
return (*this->_Ptr);
}
pointer operator->() const
{ // return pointer to class object
return (&**this);
}
_Myiter& operator++()
{ // preincrement
#if _ITERATOR_DEBUG_LEVEL == 2
if (this->_Getcont() == 0
|| this->_Ptr == 0
|| ((_Myvec *)this->_Getcont())->_Mylast <= this->_Ptr)
{ // report error
_DEBUG_ERROR("vector iterator not incrementable");
_SCL_SECURE_OUT_OF_RANGE;
}
#elif _ITERATOR_DEBUG_LEVEL == 1
_SCL_SECURE_VALIDATE(this->_Getcont() != 0);
_SCL_SECURE_VALIDATE_RANGE(
this->_Ptr != 0
&& this->_Ptr < ((_Myvec *)this->_Getcont())->_Mylast);
#endif /* _ITERATOR_DEBUG_LEVEL */
++this->_Ptr;
return (*this);
}
_Myiter operator++(int)
{ // postincrement
_Myiter _Tmp = *this;
++*this;
return (_Tmp);
}
_Myiter& operator--()
{ // predecrement
#if _ITERATOR_DEBUG_LEVEL == 2
if (this->_Getcont() == 0
|| this->_Ptr == 0
|| this->_Ptr <= ((_Myvec *)this->_Getcont())->_Myfirst)
{ // report error
_DEBUG_ERROR("vector iterator not decrementable");
_SCL_SECURE_OUT_OF_RANGE;
}
#elif _ITERATOR_DEBUG_LEVEL == 1
_SCL_SECURE_VALIDATE(this->_Getcont() != 0);
_SCL_SECURE_VALIDATE_RANGE(
this->_Ptr != 0
&& ((_Myvec *)this->_Getcont())->_Myfirst < this->_Ptr);
#endif /* _ITERATOR_DEBUG_LEVEL */
--this->_Ptr;
return (*this);
}
_Myiter operator--(int)
{ // postdecrement
_Myiter _Tmp = *this;
--*this;
return (_Tmp);
}
_Myiter& operator+=(difference_type _Off)
{ // increment by integer
#if _ITERATOR_DEBUG_LEVEL == 2
if (this->_Getcont() == 0
|| this->_Ptr + _Off < ((_Myvec *)this->_Getcont())->_Myfirst
|| ((_Myvec *)this->_Getcont())->_Mylast < this->_Ptr + _Off)
{ // report error
_DEBUG_ERROR("vector iterator + offset out of range");
_SCL_SECURE_OUT_OF_RANGE;
}
#elif _ITERATOR_DEBUG_LEVEL == 1
_SCL_SECURE_VALIDATE(this->_Getcont() != 0);
_SCL_SECURE_VALIDATE_RANGE(
((_Myvec *)this->_Getcont())->_Myfirst <= this->_Ptr + _Off
&& this->_Ptr + _Off <= ((_Myvec *)this->_Getcont())->_Mylast);
#endif /* _ITERATOR_DEBUG_LEVEL */
_Ptr += _Off;
return (*this);
}
_Myiter operator+(difference_type _Off) const
{ // return this + integer
_Myiter _Tmp = *this;
return (_Tmp += _Off);
}
_Myiter& operator-=(difference_type _Off)
{ // decrement by integer
return (*this += -_Off);
}
_Myiter operator-(difference_type _Off) const
{ // return this - integer
_Myiter _Tmp = *this;
return (_Tmp -= _Off);
}
difference_type operator-(const _Myiter& _Right) const
{ // return difference of iterators
_Compat(_Right);
return (this->_Ptr - _Right._Ptr);
}
reference operator[](difference_type _Off) const
{ // subscript
return (*(*this + _Off));
}
bool operator==(const _Myiter& _Right) const
{ // test for iterator equality
_Compat(_Right);
return (this->_Ptr == _Right._Ptr);
}
bool operator!=(const _Myiter& _Right) const
{ // test for iterator inequality
return (!(*this == _Right));
}
bool operator<(const _Myiter& _Right) const
{ // test if this < _Right
_Compat(_Right);
return (this->_Ptr < _Right._Ptr);
}
bool operator>(const _Myiter& _Right) const
{ // test if this > _Right
return (_Right < *this);
}
bool operator<=(const _Myiter& _Right) const
{ // test if this <= _Right
return (!(_Right < *this));
}
bool operator>=(const _Myiter& _Right) const
{ // test if this >= _Right
return (!(*this < _Right));
}
#if _ITERATOR_DEBUG_LEVEL == 2
void _Compat(const _Myiter& _Right) const
{ // test for compatible iterator pair
if (this->_Getcont() == 0
|| this->_Getcont() != _Right._Getcont())
{ // report error
_DEBUG_ERROR("vector iterators incompatible");
_SCL_SECURE_INVALID_ARGUMENT;
}
}
#elif _ITERATOR_DEBUG_LEVEL == 1
void _Compat(const _Myiter& _Right) const
{ // test for compatible iterator pair
_SCL_SECURE_VALIDATE(this->_Getcont() != 0);
_SCL_SECURE_VALIDATE_RANGE(this->_Getcont() == _Right._Getcont());
}
#else /* _ITERATOR_DEBUG_LEVEL == 0 */
void _Compat(const _Myiter&) const
{ // test for compatible iterator pair
}
#endif /* _ITERATOR_DEBUG_LEVEL */
_Tptr _Ptr; // pointer to element in vector
};
template<class _Myvec> inline
typename _Vector_const_iterator<_Myvec>::_Unchecked_type
_Unchecked(_Vector_const_iterator<_Myvec> _Iter)
{ // convert to unchecked
return (_Iter._Unchecked());
}
template<class _Myvec> inline
_Vector_const_iterator<_Myvec>&
_Rechecked(_Vector_const_iterator<_Myvec>& _Iter,
typename _Vector_const_iterator<_Myvec>
::_Unchecked_type _Right)
{ // convert to checked
return (_Iter._Rechecked(_Right));
}
template<class _Myvec> inline
_Vector_const_iterator<_Myvec> operator+(
typename _Vector_const_iterator<_Myvec>::difference_type _Off,
_Vector_const_iterator<_Myvec> _Next)
{ // add offset to iterator
return (_Next += _Off);
}
// TEMPLATE CLASS _Vector_iterator
template<class _Myvec>
class _Vector_iterator
: public _Vector_const_iterator<_Myvec>
{ // iterator for mutable vector
public:
typedef _Vector_iterator<_Myvec> _Myiter;
typedef _Vector_const_iterator<_Myvec> _Mybase;
typedef random_access_iterator_tag iterator_category;
typedef typename _Myvec::value_type value_type;
typedef typename _Myvec::difference_type difference_type;
typedef typename _Myvec::pointer pointer;
typedef typename _Myvec::reference reference;
_Vector_iterator()
{ // construct with null vector pointer
}
_Vector_iterator(pointer _Parg, const _Container_base *_Pvector)
: _Mybase(_Parg, _Pvector)
{ // construct with pointer _Parg
}
typedef pointer _Unchecked_type;
_Myiter& _Rechecked(_Unchecked_type _Right)
{ // reset from unchecked iterator
this->_Ptr = _Right;
return (*this);
}
_Unchecked_type _Unchecked() const
{ // make an unchecked iterator
return (_Unchecked_type(this->_Ptr));
}
reference operator*() const
{ // return designated object
return ((reference)**(_Mybase *)this);
}
pointer operator->() const
{ // return pointer to class object
return (&**this);
}
_Myiter& operator++()
{ // preincrement
++*(_Mybase *)this;
return (*this);
}
_Myiter operator++(int)
{ // postincrement
_Myiter _Tmp = *this;
++*this;
return (_Tmp);
}
_Myiter& operator--()
{ // predecrement
--*(_Mybase *)this;
return (*this);
}
_Myiter operator--(int)
{ // postdecrement
_Myiter _Tmp = *this;
--*this;
return (_Tmp);
}
_Myiter& operator+=(difference_type _Off)
{ // increment by integer
*(_Mybase *)this += _Off;
return (*this);
}
_Myiter operator+(difference_type _Off) const
{ // return this + integer
_Myiter _Tmp = *this;
return (_Tmp += _Off);
}
_Myiter& operator-=(difference_type _Off)
{ // decrement by integer
return (*this += -_Off);
}
_Myiter operator-(difference_type _Off) const
{ // return this - integer
_Myiter _Tmp = *this;
return (_Tmp -= _Off);
}
difference_type operator-(const _Mybase& _Right) const
{ // return difference of iterators
return (*(_Mybase *)this - _Right);
}
reference operator[](difference_type _Off) const
{ // subscript
return (*(*this + _Off));
}
};
template<class _Myvec> inline
typename _Vector_iterator<_Myvec>::_Unchecked_type
_Unchecked(_Vector_iterator<_Myvec> _Iter)
{ // convert to unchecked
return (_Iter._Unchecked());
}
template<class _Myvec> inline
_Vector_iterator<_Myvec>&
_Rechecked(_Vector_iterator<_Myvec>& _Iter,
typename _Vector_iterator<_Myvec>
::_Unchecked_type _Right)
{ // convert to checked
return (_Iter._Rechecked(_Right));
}
template<class _Myvec> inline
_Vector_iterator<_Myvec> operator+(
typename _Vector_iterator<_Myvec>::difference_type _Off,
_Vector_iterator<_Myvec> _Next)
{ // add offset to iterator
return (_Next += _Off);
}
// TEMPLATE CLASS _Vector_val
template<class _Ty,
class _Alloc>
class _Vector_val
: public _Container_base
{ // base class for vector to hold data
public:
typedef typename _Alloc::template rebind<_Ty>::other _Alty;
#if _ITERATOR_DEBUG_LEVEL == 0
_Vector_val(_Alloc _Al = _Alloc())
: _Alval(_Al)
{ // construct allocator from _Al
_Myfirst = 0;
_Mylast = 0;
_Myend = 0;
}
~_Vector_val()
{ // destroy proxy
}
#else /* _ITERATOR_DEBUG_LEVEL == 0 */
_Vector_val(_Alloc _Al = _Alloc())
: _Alval(_Al)
{ // construct allocator from _Al
typename _Alloc::template rebind<_Container_proxy>::other
_Alproxy(_Alval);
this->_Myproxy = _Alproxy.allocate(1);
_Cons_val(_Alproxy, this->_Myproxy, _Container_proxy());
this->_Myproxy->_Mycont = this;
_Myfirst = 0;
_Mylast = 0;
_Myend = 0;
}
~_Vector_val()
{ // destroy proxy
typename _Alloc::template rebind<_Container_proxy>::other
_Alproxy(_Alval);
this->_Orphan_all();
_Dest_val(_Alproxy, this->_Myproxy);
_Alproxy.deallocate(this->_Myproxy, 1);
this->_Myproxy = 0;
}
#endif /* _ITERATOR_DEBUG_LEVEL == 0 */
typedef typename _Alty::size_type size_type;
typedef typename _Alty::difference_type difference_type;
typedef typename _Alty::pointer pointer;
typedef typename _Alty::const_pointer const_pointer;
typedef typename _Alty::reference reference;
typedef typename _Alty::const_reference const_reference;
typedef typename _Alty::value_type value_type;
pointer _Myfirst; // pointer to beginning of array
pointer _Mylast; // pointer to current end of sequence
pointer _Myend; // pointer to end of array
_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 pointer;
typedef typename _Alloc::const_pointer const_pointer;
typedef typename _Alloc::reference reference;
typedef typename _Alloc::const_reference const_reference;
typedef typename _Alloc::value_type value_type;
#define _VICONT(it) it._Getcont()
⌨️ 快捷键说明
复制代码
Ctrl + C
搜索代码
Ctrl + F
全屏模式
F11
切换主题
Ctrl + Shift + D
显示快捷键
?
增大字号
Ctrl + =
减小字号
Ctrl + -