Source code of Windows XP (NT5)
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#pragma once
#ifndef _STLUTIL_H_
#define _STLUTIL_H_
#include <stlxstdd.h>
#ifdef _MSC_VER
#pragma pack(push,8)
#endif /* _MSC_VER */
_STD_BEGIN
// TEMPLATE STRUCT pair
template<class _T1, class _T2> struct pair
{
typedef _T1 first_type;
typedef _T2 second_type;
pair()
: first(_T1()), second(_T2())
{
}
pair(const _T1& _V1, const _T2& _V2)
: first(_V1), second(_V2)
{
}
_T1 first;
_T2 second;
};
template<class _T1, class _T2> inline
bool __cdecl operator==(const pair<_T1, _T2>& _X,
const pair<_T1, _T2>& _Y)
{
return (_X.first == _Y.first && _X.second == _Y.second);
}
template<class _T1, class _T2> inline
bool __cdecl operator!=(const pair<_T1, _T2>& _X,
const pair<_T1, _T2>& _Y)
{
return (!(_X == _Y));
}
template<class _T1, class _T2> inline
bool __cdecl operator<(const pair<_T1, _T2>& _X,
const pair<_T1, _T2>& _Y)
{
return (_X.first < _Y.first ||
!(_Y.first < _X.first) && _X.second < _Y.second);
}
template<class _T1, class _T2> inline
bool __cdecl operator>(const pair<_T1, _T2>& _X,
const pair<_T1, _T2>& _Y)
{
return (_Y < _X);
}
template<class _T1, class _T2> inline
bool __cdecl operator<=(const pair<_T1, _T2>& _X,
const pair<_T1, _T2>& _Y)
{
return (!(_Y < _X));
}
template<class _T1, class _T2> inline
bool __cdecl operator>=(const pair<_T1, _T2>& _X,
const pair<_T1, _T2>& _Y)
{
return (!(_X < _Y));
}
template<class _T1, class _T2> inline
pair<_T1, _T2> __cdecl make_pair(const _T1& _X, const _T2& _Y)
{
return (pair<_T1, _T2>(_X, _Y));
}
// ITERATOR TAGS (from <iterator>)
struct input_iterator_tag
{
};
struct output_iterator_tag
{
};
struct forward_iterator_tag
: public input_iterator_tag
{
};
struct bidirectional_iterator_tag
: public forward_iterator_tag
{
};
struct random_access_iterator_tag
: public bidirectional_iterator_tag
{
};
// TEMPLATE CLASS iterator (from <iterator>)
template<class _C, class _Ty, class _D = ptrdiff_t>
struct iterator
{
typedef _C iterator_category;
typedef _Ty value_type;
typedef _D distance_type;
};
template<class _Ty, class _D>
struct _Bidit : public iterator<bidirectional_iterator_tag, _Ty, _D>
{
};
template<class _Ty, class _D>
struct _Ranit : public iterator<random_access_iterator_tag, _Ty, _D>
{
};
// TEMPLATE CLASS iterator_traits (from <iterator>)
template<class _It>
struct iterator_traits
{
typedef _It::iterator_category iterator_category;
typedef _It::value_type value_type;
typedef _It::distance_type distance_type;
};
// TEMPLATE FUNCTION _Iter_cat (from <iterator>)
#if _MSC_VER >= 1200
#pragma warning(push)
#endif
#pragma warning(disable:4700)
template<class _C, class _Ty, class _D>
inline
_C __cdecl _Iter_cat(const iterator<_C, _Ty, _D>&)
{
_C _X;
return (_X);
}
template<class _Ty>
inline
random_access_iterator_tag __cdecl _Iter_cat(const _Ty *)
{
random_access_iterator_tag _X;
return (_X);
}
#if _MSC_VER >= 1200
#pragma warning(pop)
#else
#pragma warning(default:4700)
#endif
// TEMPLATE FUNCTION _Distance
template<class _II>
inline
_CNTSIZ(_II) __cdecl distance(_II _F, _II _L)
{
_CNTSIZ(_II) _N = 0;
_Distance(_F, _L, _N, _Iter_cat(_F));
return (_N);
}
template<class _II, class _D>
inline
void __cdecl _Distance(_II _F, _II _L, _D& _N)
{
_Distance(_F, _L, _N, _Iter_cat(_F));
}
template<class _II, class _D>
inline
void __cdecl _Distance(_II _F, _II _L, _D& _N, input_iterator_tag)
{
for (; _F != _L; ++_F)
++_N;
}
template<class _II, class _D>
inline
void __cdecl _Distance(_II _F, _II _L, _D& _N, forward_iterator_tag)
{
for (; _F != _L; ++_F)
++_N;
}
template<class _II, class _D>
inline
void __cdecl _Distance(_II _F, _II _L, _D& _N,
bidirectional_iterator_tag)
{
for (; _F != _L; ++_F)
++_N;
}
template<class _RI, class _D>
inline
void __cdecl _Distance(_RI _F, _RI _L, _D& _N,
random_access_iterator_tag)
{
_N += (_D)(_L - _F);
}
// TEMPLATE CLASS reverse_iterator (from <iterator>)
template<class _RI, class _Ty, class _Rt = _Ty&, class _Pt = _Ty *,
class _D = ptrdiff_t>
class reverse_iterator : public _Ranit<_Ty, _D>
{
public:
typedef reverse_iterator<_RI, _Ty, _Rt, _Pt, _D> _Myt;
typedef _RI iter_type;
typedef _Rt reference_type;
typedef _Pt pointer_type;
reverse_iterator()
{
}
explicit reverse_iterator(_RI _X)
: current(_X)
{
}
_RI base() const
{
return (current);
}
_Rt operator*() const
{
return (*(current - 1));
}
_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);
}
_Myt& operator+=(_D _N)
{
current -= _N;
return (*this);
}
_Myt operator+(_D _N) const
{
return (_Myt(current - _N));
}
_Myt& operator-=(_D _N)
{
current += _N;
return (*this);
}
_Myt operator-(_D _N) const
{
return (_Myt(current + _N));
}
_Rt operator[](_D _N) const
{
return (*(*this + _N));
}
protected:
_RI current;
};
template<class _RI, class _Ty, class _Rt, class _Pt, class _D>
inline
bool __cdecl operator==(
const reverse_iterator<_RI, _Ty, _Rt, _Pt, _D>& _X,
const reverse_iterator<_RI, _Ty, _Rt, _Pt, _D>& _Y)
{
return (_X.base() == _Y.base());
}
template<class _RI, class _Ty, class _Rt, class _Pt, class _D>
inline
bool __cdecl operator!=(
const reverse_iterator<_RI, _Ty, _Rt, _Pt, _D>& _X,
const reverse_iterator<_RI, _Ty, _Rt, _Pt, _D>& _Y)
{
return (!(_X == _Y));
}
template<class _RI, class _Ty, class _Rt, class _Pt, class _D>
inline
bool __cdecl operator<(
const reverse_iterator<_RI, _Ty, _Rt, _Pt, _D>& _X,
const reverse_iterator<_RI, _Ty, _Rt, _Pt, _D>& _Y)
{
return (_Y.base() < _X.base());
}
template<class _RI, class _Ty, class _Rt, class _Pt, class _D>
inline
bool __cdecl operator>(
const reverse_iterator<_RI, _Ty, _Rt, _Pt, _D>& _X,
const reverse_iterator<_RI, _Ty, _Rt, _Pt, _D>& _Y)
{
return (_Y < _X);
}
template<class _RI, class _Ty, class _Rt, class _Pt, class _D>
inline
bool __cdecl operator<=(
const reverse_iterator<_RI, _Ty, _Rt, _Pt, _D>& _X,
const reverse_iterator<_RI, _Ty, _Rt, _Pt, _D>& _Y)
{
return (!(_Y < _X));
}
template<class _RI, class _Ty, class _Rt, class _Pt, class _D>
inline
bool __cdecl operator>=(
const reverse_iterator<_RI, _Ty, _Rt, _Pt, _D>& _X,
const reverse_iterator<_RI, _Ty, _Rt, _Pt, _D>& _Y)
{
return (!(_X < _Y));
}
template<class _RI, class _Ty, class _Rt, class _Pt, class _D>
inline
_D __cdecl operator-(
const reverse_iterator<_RI, _Ty, _Rt, _Pt, _D>& _X,
const reverse_iterator<_RI, _Ty, _Rt, _Pt, _D>& _Y)
{
return (_Y.base() - _X.base());
}
template<class _RI, class _Ty, class _Rt, class _Pt, class _D>
inline
reverse_iterator<_RI, _Ty, _Rt, _Pt, _D> __cdecl operator+(_D _N,
const reverse_iterator<_RI, _Ty, _Rt, _Pt, _D>& _Y)
{
return (reverse_iterator<_RI, _Ty, _Rt, _Pt, _D>(
_Y.base() - _N));
}
/*
// TEMPLATE CLASS istreambuf_iterator (from <iterator>)
template<class _E, class _Tr = char_traits<_E> >
class istreambuf_iterator :
public iterator<input_iterator_tag, _E, _Tr::off_type>
{
public:
typedef istreambuf_iterator<_E, _Tr> _Myt;
typedef _E char_type;
typedef _Tr traits_type;
typedef _Tr::int_type int_type;
typedef basic_streambuf<_E, _Tr> streambuf_type;
typedef basic_istream<_E, _Tr> istream_type;
istreambuf_iterator(streambuf_type *_Sb = 0) _THROW0()
: _Sbuf(_Sb), _Got(_Sb == 0)
{
}
istreambuf_iterator(istream_type& _I) _THROW0()
: _Sbuf(_I.rdbuf()), _Got(_I.rdbuf() == 0)
{
}
const _E& operator*() const
{
if (!_Got)
((_Myt *)this)->_Peek();
return (_Val);
}
const _E *operator->() const
{
return (&**this);
}
_Myt& operator++()
{
_Inc();
return (*this);
}
_Myt operator++(int)
{
if (!_Got)
_Peek();
_Myt _Tmp = *this;
_Inc();
return (_Tmp);
}
bool equal(const _Myt& _X) const
{
if (!_Got)
((_Myt *)this)->_Peek();
if (!_X._Got)
((_Myt *)&_X)->_Peek();
return (_Sbuf == 0 && _X._Sbuf == 0
|| _Sbuf != 0 && _X._Sbuf != 0);
}
private:
void _Inc()
{
if (_Sbuf == 0
|| _Tr::eq_int_type(_Tr::eof(), _Sbuf->sbumpc()))
_Sbuf = 0, _Got = true;
else
_Got = false;
}
_E _Peek()
{
int_type _C;
if (_Sbuf == 0
|| _Tr::eq_int_type(_Tr::eof(), _C = _Sbuf->sgetc()))
_Sbuf = 0;
else
_Val = _Tr::to_char_type(_C);
_Got = true;
return (_Val);
}
streambuf_type *_Sbuf;
bool _Got;
_E _Val;
};
template<class _E, class _Tr> inline
bool __cdecl operator==(const istreambuf_iterator<_E, _Tr>& _X,
const istreambuf_iterator<_E, _Tr>& _Y)
{
return (_X.equal(_Y));
}
template<class _E, class _Tr> inline
bool __cdecl operator!=(const istreambuf_iterator<_E, _Tr>& _X,
const istreambuf_iterator<_E, _Tr>& _Y)
{
return (!(_X == _Y));
}
// TEMPLATE CLASS ostreambuf_iterator (from <iterator>)
template<class _E, class _Tr = char_traits<_E> >
class ostreambuf_iterator :
public iterator<output_iterator_tag, void, void>
{
typedef ostreambuf_iterator<_E, _Tr> _Myt;
public:
typedef _E char_type;
typedef _Tr traits_type;
typedef basic_streambuf<_E, _Tr> streambuf_type;
typedef basic_ostream<_E, _Tr> ostream_type;
ostreambuf_iterator(streambuf_type *_Sb) _THROW0()
: _Failed(false), _Sbuf(_Sb)
{
}
ostreambuf_iterator(ostream_type& _O) _THROW0()
: _Failed(false), _Sbuf(_O.rdbuf())
{
}
_Myt& operator=(_E _X)
{
if (_Sbuf == 0
|| _Tr::eq_int_type(_Tr::eof(), _Sbuf->sputc(_X)))
_Failed = true;
return (*this);
}
_Myt& operator*()
{
return (*this);
}
_Myt& operator++()
{
return (*this);
}
_Myt& operator++(int)
{
return (*this);
}
bool failed() const _THROW0()
{
return (_Failed);
}
private:
bool _Failed;
streambuf_type *_Sbuf;
};
*/
// TEMPLATE OPERATORS
namespace rel_ops
{
template<class _Ty> inline
bool __cdecl operator!=(const _Ty& _X, const _Ty& _Y)
{
return (!(_X == _Y));
}
template<class _Ty> inline
bool __cdecl operator>(const _Ty& _X, const _Ty& _Y)
{
return (_Y < _X);
}
template<class _Ty> inline
bool __cdecl operator<=(const _Ty& _X, const _Ty& _Y)
{
return (!(_Y < _X));
}
template<class _Ty> inline
bool __cdecl operator>=(const _Ty& _X, const _Ty& _Y)
{
return (!(_X < _Y));
}
}
_STD_END
#ifdef _MSC_VER
#pragma pack(pop)
#endif /* _MSC_VER */
#endif /* _STLUTIL_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.
*/