mirror of https://github.com/CGAL/cgal
130 lines
4.1 KiB
C++
130 lines
4.1 KiB
C++
// Copyright (c) 2000 Utrecht University (The Netherlands),
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// ETH Zurich (Switzerland), Freie Universitaet Berlin (Germany),
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// INRIA Sophia-Antipolis (France), Martin-Luther-University Halle-Wittenberg
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// (Germany), Max-Planck-Institute Saarbruecken (Germany), RISC Linz (Austria),
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// and Tel-Aviv University (Israel). All rights reserved.
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//
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// This file is part of CGAL (www.cgal.org); you can redistribute it and/or
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// modify it under the terms of the GNU Lesser General Public License as
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// published by the Free Software Foundation; version 2.1 of the License.
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// See the file LICENSE.LGPL distributed with CGAL.
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//
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// Licensees holding a valid commercial license may use this file in
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// accordance with the commercial license agreement provided with the software.
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//
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// This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
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// WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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//
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// $URL$
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// $Id$
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//
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//
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// Author(s) : Oren Nechushtan
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#ifndef CGAL_STRAIGHT_2_STREAM_H
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#define CGAL_STRAIGHT_2_STREAM_H
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CGAL_BEGIN_NAMESPACE
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#ifndef CGAL_NO_OSTREAM_INSERT_STRAIGHT_2
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template <class R>
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std::ostream& operator<<(std::ostream& os,const Straight_2_<R>& cv)
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{
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typedef Pm_straight_exact_traits<R> Traits;
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typedef Straight_2_<R> Curve;
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switch(cv.current_state())
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{
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case Curve::SEGMENT:
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{
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Segment_2<R> seg;
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cv.current(seg);
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return os << seg;
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}
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case Curve::RAY:
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{
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Ray_2<R> ray;
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cv.current(ray);
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return os << ray;
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}
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case Curve::LINE:
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{
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Line_2<R> line;
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cv.current(line);
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return os << line;
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}
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case Curve::POINT:
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{
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Point_2<R> p;
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cv.current(p);
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return os << p;
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}
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case Curve::EMPTY:
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break;
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}
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CGAL_assertion_msg(
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cv.current_state()==Curve::SEGMENT||
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cv.current_state()==Curve::RAY||
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cv.current_state()==Curve::LINE||
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cv.current_state()==Curve::POINT||
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cv.current_state()==Curve::EMPTY,
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"\nUnknown type in std:: ostream& operator<<( \
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std:: ostream& os,const Straight_2&)");
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return os;
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}
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#endif //CGAL_NO_OSTREAM_INSERT_STRAIGHT_2
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#ifndef CGAL_NO_ISTREAM_EXTRACT_STRAIGHT_2
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template <class R>
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std:: istream& operator>>(std:: istream& is,Straight_2_<R>& cv)
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{
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typedef Pm_straight_exact_traits<R> Traits;
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typedef Straight_2_<R> Curve;
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switch(cv.current_state())
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{
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case Curve::SEGMENT:
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{
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Segment_2<R> seg;
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cv.current(seg);
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return os >> seg;
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}
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case Curve::RAY:
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{
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Ray_2<R> ray;
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cv.current(ray);
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return os >> ray;
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}
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case Curve::LINE:
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{
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Line_2<R> line;
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cv.current(line);
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return os >> line;
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}
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case Curve::POINT:
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{
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Point_2<R> p;
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cv.current(p);
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return os >> p;
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}
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case Curve::EMPTY:
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break;
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}
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CGAL_assertion_msg(
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cv.current_state()==Curve::SEGMENT||
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cv.current_state()==Curve::RAY||
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cv.current_state()==Curve::LINE||
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cv.current_state()==Curve::POINT||
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cv.current_state()==Curve::EMPTY,
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"\nUnknown type in std:: ostream& operator>>( \
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std:: ostream& os,Straight_2&)");
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return os;
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}
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#endif //CGAL_NO_ISTREAM_EXTRACT_STRAIGHT_2
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CGAL_END_NAMESPACE
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#endif // CGAL_STRAIGHT_2_STREAM_H
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