mirror of https://github.com/CGAL/cgal
79 lines
2.1 KiB
C++
79 lines
2.1 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) : Lutz Kettner <kettner@inf.ethz.ch>
|
|
|
|
#ifndef CGAL_IO_VERBOSE_OSTREAM_H
|
|
#define CGAL_IO_VERBOSE_OSTREAM_H
|
|
|
|
#include <iostream>
|
|
|
|
CGAL_BEGIN_NAMESPACE
|
|
|
|
#define CGAL__VERB(x) if (b) *o << x; return *this
|
|
|
|
class Verbose_ostream {
|
|
bool b;
|
|
std::ostream* o;
|
|
public:
|
|
Verbose_ostream( bool active = false, std::ostream& out = std::cerr)
|
|
: b(active), o(&out){}
|
|
|
|
bool verbose() const { return b; }
|
|
void set_verbose(bool active) { b = active; }
|
|
std::ostream& out() { return *o; }
|
|
|
|
template < class T >
|
|
Verbose_ostream& operator<<(const T& t)
|
|
{ CGAL__VERB(t); }
|
|
|
|
Verbose_ostream& operator<<( std::ostream& (*f)(std::ostream&))
|
|
{ CGAL__VERB(f); }
|
|
|
|
Verbose_ostream& operator<<( std::ios& (*f)(std::ios&))
|
|
{ CGAL__VERB(f); }
|
|
|
|
Verbose_ostream& flush()
|
|
{
|
|
if (b)
|
|
o->flush();
|
|
return *this;
|
|
}
|
|
|
|
Verbose_ostream& put(char c)
|
|
{
|
|
if (b)
|
|
o->put(c);
|
|
return *this;
|
|
}
|
|
|
|
Verbose_ostream& write(const char* s, int n)
|
|
{
|
|
if (b)
|
|
o->write(s, n);
|
|
return *this;
|
|
}
|
|
};
|
|
|
|
CGAL_END_NAMESPACE
|
|
|
|
#endif // CGAL_IO_VERBOSE_OSTREAM_H
|