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/*
sys/consoleinterface.h
This file is part of the Osirion project and is distributed under
the terms of the GNU General Public License version 2.
*/
#ifndef __INCLUDED_SYS_CONSOLEINTERFACE_H__
#define __INCLUDED_SYS_CONSOLEINTERFACE_H__
// project headers
#include "sys/sys.h"
// C++ headers
#include <iostream>
/// global define to send a message to the system console
#define con_print sys::ConsoleInterface::instance()->messagestream()
/// global define to send a warning message to the system console
#define con_warn sys::ConsoleInterface::instance()->warningstream()
/// global define to send an error message to the system console
#define con_error sys::ConsoleInterface::instance()->errorstream()
#ifdef HAVE_DEBUG_MESSAGES
/// global define to send a debug message to the system console
#define con_debug sys::ConsoleInterface::instance()->debugstream()
#else
#define con_debug if (0) *(std::ostream*)(0)
#endif
namespace sys
{
/// interface for the client and server Console classes
class ConsoleInterface
{
public:
/// default constructor
ConsoleInterface();
/// default destructor
virtual ~ConsoleInterface();
/// stream to send normal messages too
virtual std::ostream & messagestream() = 0;
/// stream to send warning messages too
virtual std::ostream & warningstream() = 0;
/// stream to send error messages too
virtual std::ostream & errorstream() = 0;
/// stream to send debug messages too
virtual std::ostream & debugstream() = 0;
/// flush buffered messages
virtual void flush() = 0;
/// a pointer to the current console instance
static ConsoleInterface *instance();
private:
/// console singleton
static ConsoleInterface *consoleinterface_instance;
};
} // namespace sys
#endif // __INCLUDED_SYS_CONSOLEINTERFACE_H__
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