/usr/include/boost/ptr_container/detail
Edit: /usr/include/boost/ptr_container/detail/void_ptr_iterator.hpp (7776B)
//
// Boost.Pointer Container
//
// Copyright Thorsten Ottosen 2003-2005. Use, modification and
// distribution is subject to the Boost Software License, Version
// 1.0. (See accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt)
//
// For more information, see http://www.boost.org/libs/ptr_container/
//
#ifndef BOOST_PTR_CONTAINER_DETAIL_VOID_PTR_ITERATOR_HPP
#define BOOST_PTR_CONTAINER_DETAIL_VOID_PTR_ITERATOR_HPP
#if defined(_MSC_VER) && (_MSC_VER >= 1200)
# pragma once
#endif
#include
#include
#include
namespace boost
{
template
<
class VoidIter,
class T
>
class void_ptr_iterator
{
public:
typedef BOOST_DEDUCED_TYPENAME boost::remove_const::type
value_type;
typedef T& reference;
typedef T* pointer;
typedef BOOST_DEDUCED_TYPENAME iterator_difference::type
difference_type;
typedef BOOST_DEDUCED_TYPENAME iterator_category::type
iterator_category;
private:
VoidIter iter_;
public:
void_ptr_iterator() : iter_()
{ }
void_ptr_iterator( VoidIter r ) : iter_(r)
{ }
//
// Remark: passing by value breaks vc7.1
//
template< class MutableIterator, class MutableT >
void_ptr_iterator( const void_ptr_iterator& r )
#ifdef BOOST_NO_SFINAE
: iter_( VoidIter(const_cast(&*r.base())) )
#else
: iter_(r.base())
#endif
{ }
T& operator*() const
{
return *static_cast( *iter_ );
}
T* operator->() const
{
return static_cast( *iter_ );
}
void_ptr_iterator& operator++()
{
++iter_;
return *this;
}
void_ptr_iterator operator++(int)
{
void_ptr_iterator res = *this;
++iter_;
return res;
}
void_ptr_iterator& operator--()
{
--iter_;
return *this;
}
void_ptr_iterator operator--(int)
{
void_ptr_iterator res = *this;
--iter_;
return res;
}
void_ptr_iterator& operator+=( difference_type n )
{
iter_ += n;
return *this;
}
void_ptr_iterator& operator-=( difference_type n )
{
iter_ -= n;
return *this;
}
T& operator[]( difference_type n ) const
{
return *static_cast( *(iter_ + n) );
}
VoidIter base() const
{
return iter_;
}
}; // class 'void_ptr_iterator'
template< class VoidIter, class T >
inline void_ptr_iterator
operator+( void_ptr_iterator l,
BOOST_DEDUCED_TYPENAME void_ptr_iterator::difference_type n )
{
l += n;
return l;
}
template< class VoidIter, class T >
inline void_ptr_iterator
operator+( BOOST_DEDUCED_TYPENAME void_ptr_iterator::difference_type n,
void_ptr_iterator r )
{
r += n;
return r;
}
template< class VoidIter, class T >
inline void_ptr_iterator
operator-( void_ptr_iterator l,
BOOST_DEDUCED_TYPENAME void_ptr_iterator::difference_type n )
{
l -= n;
return l;
}
template< class VoidIter, class T >
inline void_ptr_iterator
operator-( BOOST_DEDUCED_TYPENAME void_ptr_iterator::difference_type n,
void_ptr_iterator r )
{
r -= n;
return r;
}
namespace ptr_container_detail
{
template
struct is_compatible
{
static const bool value = boost::is_same< typename boost::remove_const::type, typename boost::remove_const::type >::value;
};
}
template< class VoidIter, class T, class VoidIterU, class U >
inline BOOST_DEDUCED_TYPENAME boost::enable_if<
ptr_container_detail::is_compatible,
BOOST_DEDUCED_TYPENAME void_ptr_iterator::difference_type
>::type
operator-( void_ptr_iterator l,
void_ptr_iterator r )
{
return l.base() - r.base();
}
template< class VoidIterT, class T, class VoidIterU, class U >
inline BOOST_DEDUCED_TYPENAME boost::enable_if<
ptr_container_detail::is_compatible,
bool
>::type
operator==( const void_ptr_iterator& l,
const void_ptr_iterator& r )
{
return l.base() == r.base();
}
template< class VoidIterT, class T, class VoidIterU, class U >
inline BOOST_DEDUCED_TYPENAME boost::enable_if<
ptr_container_detail::is_compatible,
bool
>::type
operator!=( const void_ptr_iterator& l,
const void_ptr_iterator& r )
{
return l.base() != r.base();
}
template< class VoidIterT, class T, class VoidIterU, class U >
inline BOOST_DEDUCED_TYPENAME boost::enable_if<
ptr_container_detail::is_compatible,
bool
>::type
operator<( const void_ptr_iterator& l,
const void_ptr_iterator& r )
{
return l.base() < r.base();
}
template< class VoidIterT, class T, class VoidIterU, class U >
inline BOOST_DEDUCED_TYPENAME boost::enable_if<
ptr_container_detail::is_compatible,
bool
>::type
operator<=( const void_ptr_iterator& l,
const void_ptr_iterator& r )
{
return l.base() <= r.base();
}
template< class VoidIterT, class T, class VoidIterU, class U >
inline BOOST_DEDUCED_TYPENAME boost::enable_if<
ptr_container_detail::is_compatible,
bool
>::type
operator>( const void_ptr_iterator& l,
const void_ptr_iterator& r )
{
return l.base() > r.base();
}
template< class VoidIterT, class T, class VoidIterU, class U >
inline BOOST_DEDUCED_TYPENAME boost::enable_if<
ptr_container_detail::is_compatible,
bool
>::type
operator>=( const void_ptr_iterator& l,
const void_ptr_iterator& r )
{
return l.base() >= r.base();
}
}
#endif