cgal/iostream/include/CGAL/IO/io.h

184 lines
3.6 KiB
C++

// Copyright (c) 1997 Utrecht University (The Netherlands),
// ETH Zurich (Switzerland), Freie Universitaet Berlin (Germany),
// INRIA Sophia-Antipolis (France), Martin-Luther-University Halle-Wittenberg
// (Germany), Max-Planck-Institute Saarbruecken (Germany), RISC Linz (Austria),
// and Tel-Aviv University (Israel). All rights reserved.
//
// This file is part of CGAL (www.cgal.org); you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public License as
// published by the Free Software Foundation; version 2.1 of the License.
// See the file LICENSE.LGPL distributed with CGAL.
//
// Licensees holding a valid commercial license may use this file in
// accordance with the commercial license agreement provided with the software.
//
// This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
// WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
//
// $URL$
// $Id$
//
//
// Author(s) : Andreas Fabri
#ifndef CGAL_IO_H
#define CGAL_IO_H
#include <iostream>
#include <CGAL/IO/io_tags.h>
#include <CGAL/IO/Color.h>
CGAL_BEGIN_NAMESPACE
class IO {
public:
static int mode;
enum Mode {ASCII = 0, PRETTY, BINARY};
};
IO::Mode
get_mode(std::ios& i);
IO::Mode
set_ascii_mode(std::ios& i);
IO::Mode
set_binary_mode(std::ios& i);
IO::Mode
set_pretty_mode(std::ios& i);
IO::Mode
set_mode(std::ios& i, IO::Mode m);
bool
is_pretty(std::ios& i);
bool
is_ascii(std::ios& i);
bool
is_binary(std::ios& i);
inline io_Read_write io_tag(char){ return io_Read_write(); }
template < class T >
inline
void
write(std::ostream& os, const T& t, const io_Read_write&)
{
os.write(reinterpret_cast<const char*>(&t), sizeof(t));
}
template < class T >
inline
void
write(std::ostream& os, const T& t, const io_Operator&)
{
os << t;
}
template < class T >
inline
void
write(std::ostream& os, const T& t, const io_Extract_insert&)
{
insert(os, t);
}
template < class T >
inline
void
write(std::ostream& os, const T& t)
{
write(os, t, io_tag(t));
}
template < class T >
inline
void
read(std::istream& is, T& t, const io_Read_write&)
{
is.read(reinterpret_cast<char*>(&t), sizeof(t));
}
template < class T >
inline
void
read(std::istream& is, T& t, const io_Operator&)
{
is >> t;
}
template < class T >
inline
void
read(std::istream& is, T& t, const io_Extract_insert&)
{
extract(is, t);
}
template < class T >
inline
void
read(std::istream& is, T& t)
{
read(is, t, io_tag(t));
}
inline
std::ostream& operator<<( std::ostream& out, const Color& col)
{
switch(out.iword(IO::mode)) {
case IO::ASCII :
return out << static_cast<int>(col.red()) << ' '
<< static_cast<int>(col.green()) << ' '
<< static_cast<int>(col.blue());
case IO::BINARY :
write(out, static_cast<int>(col.red()));
write(out, static_cast<int>(col.green()));
write(out, static_cast<int>(col.blue()));
return out;
default:
return out << "Color(" << static_cast<int>(col.red()) << ", "
<< static_cast<int>(col.green()) << ", "
<< static_cast<int>(col.blue()) << ')';
}
}
inline
std::istream &operator>>(std::istream &is, Color& col)
{
int r, g, b;
switch(is.iword(IO::mode)) {
case IO::ASCII :
is >> r >> g >> b;
break;
case IO::BINARY :
read(is, r);
read(is, g);
read(is, b);
break;
default:
std::cerr << "" << std::endl;
std::cerr << "Stream must be in ascii or binary mode" << std::endl;
break;
}
col = Color(r,g,b);
return is;
}
CGAL_END_NAMESPACE
#endif // CGAL_IO_H