Source code of Windows XP (NT5)
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#pragma once
#ifndef _STLITER_H_
#define _STLITER_H_
//#include <utility>
#include <stlutil.h>
#ifdef _MSC_VER
#pragma pack(push,8)
#endif /* _MSC_VER */
_STD_BEGIN
// TEMPLATE CLASS reverse_bidirectional_iterator
template<class _BI, class _Ty, class _Rt = _Ty&,
class _Pt = _Ty *, class _D = ptrdiff_t>
class reverse_bidirectional_iterator : public _Bidit<_Ty, _D>
{
public:
typedef reverse_bidirectional_iterator<_BI,
_Ty, _Rt, _Pt, _D> _Myt;
typedef _BI iter_type;
typedef _Rt reference_type;
typedef _Pt pointer_type;
reverse_bidirectional_iterator()
{
}
explicit reverse_bidirectional_iterator(_BI _X) : current(_X)
{
}
_BI base() const
{
return (current);
}
_Rt operator*() const
{
_BI _Tmp = current;
return (*--_Tmp);
}
_Pt operator->() const
{
return (&**this);
}
_Myt& operator++()
{
--current;
return (*this);
}
_Myt operator++(int)
{
_Myt _Tmp = *this;
--current;
return (_Tmp);
}
_Myt& operator--()
{
++current;
return (*this);
}
_Myt operator--(int)
{
_Myt _Tmp = *this;
++current;
return (_Tmp);
}
protected:
_BI current;
};
template<class _BI, class _Ty, class _Rt, class _Pt,
class _D> inline
bool operator==(const reverse_bidirectional_iterator<_BI,
_Ty, _Rt, _Pt, _D>& _X,
const reverse_bidirectional_iterator<_BI,
_Ty, _Rt, _Pt, _D>& _Y)
{
return (_X.base() == _Y.base());
}
template<class _BI, class _Ty, class _Rt, class _Pt, class _D> inline
bool operator!=(const reverse_bidirectional_iterator<_BI,
_Ty, _Rt, _Pt, _D>& _X,
const reverse_bidirectional_iterator<_BI,
_Ty, _Rt, _Pt, _D>& _Y)
{
return (!(_X == _Y));
}
// TEMPLATE CLASS back_insert_iterator
template<class _C>
class back_insert_iterator : public iterator<output_iterator_tag, void, void>
{
public:
typedef _C container_type;
typedef _C::value_type value_type;
explicit back_insert_iterator(_C& _X) : container(_X)
{
}
back_insert_iterator<_C>& operator=(const value_type& _V)
{
container.push_back(_V);
return (*this);
}
back_insert_iterator<_C>& operator*()
{
return (*this);
}
back_insert_iterator<_C>& operator++()
{
return (*this);
}
back_insert_iterator<_C> operator++(int)
{
return (*this);
}protected:
_C& container;
};
template<class _C> inline
back_insert_iterator<_C> back_inserter(_C& _X)
{
return (back_insert_iterator<_C>(_X));
}
// TEMPLATE CLASS front_insert_iterator
template<class _C>
class front_insert_iterator : public iterator<output_iterator_tag, void, void>
{
public:
typedef _C container_type;
typedef _C::value_type value_type;
explicit front_insert_iterator(_C& _X) : container(_X)
{
}
front_insert_iterator<_C>& operator=(
const value_type& _V)
{
container.push_front(_V);
return (*this);
}
front_insert_iterator<_C>& operator*()
{
return (*this);
}
front_insert_iterator<_C>& operator++()
{
return (*this);
}
front_insert_iterator<_C> operator++(int)
{
return (*this);
}
protected:
_C& container;
};
template<class _C> inline
front_insert_iterator<_C> front_inserter(_C& _X)
{
return (front_insert_iterator<_C>(_X));
}
// TEMPLATE CLASS insert_iterator
template<class _C>
class insert_iterator : public iterator<output_iterator_tag, void, void>
{
public:
typedef _C container_type;
typedef _C::value_type value_type;
insert_iterator(_C& _X, _C::iterator _I) : container(_X), iter(_I)
{
}
insert_iterator<_C>& operator=(
const value_type& _V)
{
iter = container.insert(iter, _V);
++iter;
return (*this);
}
insert_iterator<_C>& operator*()
{
return (*this);
}
insert_iterator<_C>& operator++()
{
return (*this);
}
insert_iterator<_C>& operator++(int)
{
return (*this);
}
protected:
_C& container;
_C::iterator iter;
};
template<class _C, class _XI> inline
insert_iterator<_C> inserter(_C& _X, _XI _I)
{
return (insert_iterator<_C>(_X, _C::iterator(_I)));
}
/*
// TEMPLATE CLASS istream_iterator
template<class _U, class _E = char, class _Tr = char_traits<_E> >
class istream_iterator : public iterator<input_iterator_tag, _U, ptrdiff_t>
{
public:
typedef _E char_type;
typedef _Tr traits_type;
typedef basic_istream<_E, _Tr> istream_type;
istream_iterator() : _Istr(0)
{
}
istream_iterator(istream_type& _I) : _Istr(&_I)
{
_Getval();
}
const _U& operator*() const
{
return (_Val);
}
const _U *operator->() const
{
return (&**this);
}
istream_iterator<_U, _E, _Tr>& operator++()
{
_Getval();
return (*this);
}
istream_iterator<_U, _E, _Tr> operator++(int)
{
istream_iterator<_U, _E, _Tr> _Tmp = *this;
_Getval();
return (_Tmp);
}
bool _Equal(const istream_iterator<_U, _E, _Tr>& _X) const
{
return (_Istr == _X._Istr);
}
protected:
void _Getval()
{
if (_Istr != 0 && !(*_Istr >> _Val))
_Istr = 0;
}
istream_type *_Istr;
_U _Val;
};
template<class _U, class _E, class _Tr> inline
bool operator==(const istream_iterator<_U, _E, _Tr>& _X,
const istream_iterator<_U, _E, _Tr>& _Y)
{
return (_X._Equal(_Y));
}
template<class _U, class _E, class _Tr> inline
bool operator!=(const istream_iterator<_U, _E, _Tr>& _X,
const istream_iterator<_U, _E, _Tr>& _Y)
{
return (!(_X == _Y));
}
// TEMPLATE CLASS ostream_iterator
template<class _U, class _E = char,
class _Tr = char_traits<_E> >
class ostream_iterator : public iterator<output_iterator_tag, void, void>
{
public:
typedef _U value_type;
typedef _E char_type;
typedef _Tr traits_type;
typedef basic_ostream<_E, _Tr> ostream_type;
ostream_iterator(ostream_type& _O,
const _E *_D = 0) : _Ostr(&_O), _Delim(_D)
{
}
ostream_iterator<_U, _E, _Tr>& operator=(const _U& _X)
{
*_Ostr << _X;
if (_Delim != 0)
*_Ostr << _Delim;
return (*this);
}
ostream_iterator<_U, _E, _Tr>& operator*()
{
return (*this);
}
ostream_iterator<_U, _E, _Tr>& operator++()
{
return (*this);
}
ostream_iterator<_U, _E, _Tr> operator++(int)
{
return (*this);
}
protected:
const _E *_Delim;
ostream_type *_Ostr;
};
*/
// TEMPLATE FUNCTION _Val_type
template<class _C, class _Ty, class _D> inline
_Ty *_Val_type(const iterator<_C, _Ty, _D>&)
{
return ((_Ty *)0);
}
template<class _Ty> inline
_Ty *_Val_type(const _Ty *)
{
return ((_Ty *)0);
}
// TEMPLATE FUNCTION advance
template<class _II, class _D> inline
void advance(_II& _I, _D _N)
{
_Advance(_I, _N, _Iter_cat(_I));
}
template<class _II, class _D> inline
void _Advance(_II& _I, _D _N, input_iterator_tag)
{
for (; 0 < _N; --_N)
++_I;
}
template<class _FI, class _D> inline
void _Advance(_FI& _I, _D _N, forward_iterator_tag)
{
for (; 0 < _N; --_N)
++_I;
}
template<class _BI, class _D> inline
void _Advance(_BI& _I, _D _N, bidirectional_iterator_tag)
{
for (; 0 < _N; --_N)
++_I;
for (; _N < 0; ++_N)
--_I;
}
template<class _RI, class _D> inline
void _Advance(_RI& _I, _D _N, random_access_iterator_tag)
{
_I += _N;
}
// TEMPLATE FUNCTION _Dist_type
template<class _C, class _Ty, class _D> inline
_D *_Dist_type(const iterator<_C, _Ty, _D>&)
{
return ((_D *)0);
}
template<class _Ty> inline
ptrdiff_t *_Dist_type(const _Ty *)
{
return ((ptrdiff_t *)0);
}
_STD_END
#ifdef _MSC_VER
#pragma pack(pop)
#endif /* _MSC_VER */
#endif /* _STLITER_H_ */
/*
* Copyright (c) 1995 by P.J. Plauger. ALL RIGHTS RESERVED.
* Consult your license regarding permissions and restrictions.
*/
/*
* This file is derived from software bearing the following
* restrictions:
*
* Copyright (c) 1994
* Hewlett-Packard Company
*
* Permission to use, copy, modify, distribute and sell this
* software and its documentation for any purpose is hereby
* granted without fee, provided that the above copyright notice
* appear in all copies and that both that copyright notice and
* this permission notice appear in supporting documentation.
* Hewlett-Packard Company makes no representations about the
* suitability of this software for any purpose. It is provided
* "as is" without express or implied warranty.
*/