cgal/Packages/Stream_support/include/CGAL/IO/Verbose_ostream.h

95 lines
3.3 KiB
C++

// ======================================================================
//
// Copyright (c) 1997 The CGAL Consortium
//
// This software and related documentation is part of an INTERNAL release
// of the Computational Geometry Algorithms Library (CGAL). It is not
// intended for general use.
//
// ----------------------------------------------------------------------
//
// release :
// release_date : 1999, July 28
//
// file : IO/Verbose_ostream.h
// package : Stream_support (2.4)
// chapter : $CGAL_Chapter: Stream Support $
// source : support.fw
// revision : $Revision$
// revision_date : $Date$
// author(s) : Lutz Kettner <kettner@inf.ethz.ch>
//
// coordinator : INRIA, Sophia Antipolis
//
// A stream like output class for verbose output.
// ======================================================================
#ifndef CGAL_IO_VERBOSE_OSTREAM_H
#define CGAL_IO_VERBOSE_OSTREAM_H 1
#ifndef CGAL_PROTECT_IOSTREAM
#include <iostream>
#define CGAL_PROTECT_IOSTREAM
#endif
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; }
#ifndef CGAL_CFG_NO_MEMBER_TEMPLATES
template < class T >
Verbose_ostream& operator<<( const T& t) { CGAL__VERB(t);}
#endif // CGAL_CFG_NO_MEMBER_TEMPLATES //
// The following specialisations avoid the & for their small args.
Verbose_ostream& operator<<( char c) { CGAL__VERB(c);}
Verbose_ostream& operator<<( const char* s) { CGAL__VERB(s);}
Verbose_ostream& operator<<( int a) { CGAL__VERB(a);}
Verbose_ostream& operator<<( long l) { CGAL__VERB(l);}
Verbose_ostream& operator<<( double d) { CGAL__VERB(d);}
Verbose_ostream& operator<<( float f) { CGAL__VERB(f);}
Verbose_ostream& operator<<( unsigned int a) { CGAL__VERB(a);}
Verbose_ostream& operator<<( unsigned long l) { CGAL__VERB(l);}
#ifdef _LONGLONG
Verbose_ostream& operator<<( long long l) { CGAL__VERB(l);}
Verbose_ostream& operator<<( unsigned long long l) { CGAL__VERB(l);}
#endif /* _LONGLONG */
Verbose_ostream& operator<<( void* p) { CGAL__VERB(p);}
Verbose_ostream& operator<<( short i) { CGAL__VERB(i);}
Verbose_ostream& operator<<( unsigned short i) { CGAL__VERB(i);}
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;
}
};
#undef CGAL__VERB
CGAL_END_NAMESPACE
#endif // CGAL_IO_VERBOSE_OSTREAM_H //
// EOF //