mirror of https://github.com/CGAL/cgal
184 lines
3.6 KiB
C++
184 lines
3.6 KiB
C++
// Copyright (c) 1997 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) : Andreas Fabri
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#ifndef CGAL_IO_H
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#define CGAL_IO_H
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#include <iostream>
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#include <CGAL/IO/io_tags.h>
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#include <CGAL/IO/Color.h>
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CGAL_BEGIN_NAMESPACE
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class IO {
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public:
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static int mode;
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enum Mode {ASCII = 0, PRETTY, BINARY};
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};
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IO::Mode
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get_mode(std::ios& i);
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IO::Mode
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set_ascii_mode(std::ios& i);
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IO::Mode
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set_binary_mode(std::ios& i);
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IO::Mode
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set_pretty_mode(std::ios& i);
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IO::Mode
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set_mode(std::ios& i, IO::Mode m);
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bool
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is_pretty(std::ios& i);
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bool
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is_ascii(std::ios& i);
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bool
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is_binary(std::ios& i);
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inline io_Read_write io_tag(char){ return io_Read_write(); }
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template < class T >
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inline
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void
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write(std::ostream& os, const T& t, const io_Read_write&)
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{
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os.write(reinterpret_cast<const char*>(&t), sizeof(t));
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}
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template < class T >
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inline
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void
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write(std::ostream& os, const T& t, const io_Operator&)
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{
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os << t;
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}
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template < class T >
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inline
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void
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write(std::ostream& os, const T& t, const io_Extract_insert&)
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{
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insert(os, t);
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}
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template < class T >
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inline
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void
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write(std::ostream& os, const T& t)
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{
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write(os, t, io_tag(t));
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}
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template < class T >
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inline
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void
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read(std::istream& is, T& t, const io_Read_write&)
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{
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is.read(reinterpret_cast<char*>(&t), sizeof(t));
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}
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template < class T >
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inline
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void
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read(std::istream& is, T& t, const io_Operator&)
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{
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is >> t;
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}
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template < class T >
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inline
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void
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read(std::istream& is, T& t, const io_Extract_insert&)
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{
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extract(is, t);
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}
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template < class T >
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inline
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void
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read(std::istream& is, T& t)
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{
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read(is, t, io_tag(t));
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}
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inline
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std::ostream& operator<<( std::ostream& out, const Color& col)
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{
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switch(out.iword(IO::mode)) {
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case IO::ASCII :
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return out << static_cast<int>(col.red()) << ' '
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<< static_cast<int>(col.green()) << ' '
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<< static_cast<int>(col.blue());
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case IO::BINARY :
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write(out, static_cast<int>(col.red()));
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write(out, static_cast<int>(col.green()));
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write(out, static_cast<int>(col.blue()));
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return out;
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default:
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return out << "Color(" << static_cast<int>(col.red()) << ", "
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<< static_cast<int>(col.green()) << ", "
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<< static_cast<int>(col.blue()) << ')';
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}
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}
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inline
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std::istream &operator>>(std::istream &is, Color& col)
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{
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int r, g, b;
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switch(is.iword(IO::mode)) {
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case IO::ASCII :
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is >> r >> g >> b;
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break;
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case IO::BINARY :
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read(is, r);
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read(is, g);
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read(is, b);
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break;
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default:
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std::cerr << "" << std::endl;
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std::cerr << "Stream must be in ascii or binary mode" << std::endl;
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break;
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}
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col = Color(r,g,b);
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return is;
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}
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CGAL_END_NAMESPACE
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#endif // CGAL_IO_H
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