dust3d/thirdparty/cgal/CGAL-5.1/include/CGAL/IO/Ostream_iterator.h

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1.8 KiB
C++

// Copyright (c) 1997
// Utrecht University (The Netherlands),
// ETH Zurich (Switzerland),
// INRIA Sophia-Antipolis (France),
// Max-Planck-Institute Saarbruecken (Germany),
// and Tel-Aviv University (Israel). All rights reserved.
//
// This file is part of CGAL (www.cgal.org)
//
// $URL: https://github.com/CGAL/cgal/blob/v5.1/Stream_support/include/CGAL/IO/Ostream_iterator.h $
// $Id: Ostream_iterator.h 0779373 2020-03-26T13:31:46+01:00 Sébastien Loriot
// SPDX-License-Identifier: LGPL-3.0-or-later OR LicenseRef-Commercial
//
//
// Author(s) : Lutz Kettner <kettner@inf.ethz.ch>
#ifndef CGAL_IO_OSTREAM_ITERATOR_H
#define CGAL_IO_OSTREAM_ITERATOR_H
#include <CGAL/circulator.h>
namespace CGAL {
// This proxy is for the Ostream_iterator.
template <class T, class Stream>
class Ostream_proxy {
Stream& stream;
public:
Ostream_proxy( Stream& s) : stream(s) {}
Ostream_proxy<T,Stream>& operator=( const T& t) {
stream << t;
return *this;
}
};
template <class T, class Stream>
class Ostream_iterator {
Stream* stream;
public:
typedef T value_type;
typedef T& reference;
typedef const T& const_reference;
typedef T* pointer;
typedef const T* const_pointer;
typedef std::ptrdiff_t difference_type;
typedef std::output_iterator_tag iterator_category;
Ostream_iterator( Stream& s) : stream(&s) {}
Ostream_iterator<T,Stream>& operator++() { return *this;}
Ostream_iterator<T,Stream> operator++(int) { return *this;}
Ostream_proxy<T,Stream> operator*() const {
return Ostream_proxy<T,Stream>(*stream);
}
};
} //namespace CGAL
#endif // CGAL_IO_OSTREAM_ITERATOR_H