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//
// Author: Lorenzo Bettini <http://www.lorenzobettini.it>, (C) 2004-2008
//
// Copyright: See COPYING file that comes with this distribution
//
#ifndef DEBUGLISTENER_H_
#define DEBUGLISTENER_H_
#include <iostream>
#include "highlighteventlistener.h"
namespace srchilite {
struct HighlightEvent;
/**
* Implementation of highlight events that prints debug information.
* In interactive mode, after each event, it will wait for the user
* to press ENTER to go on.
*/
class DebugListener: public HighlightEventListener {
/// where to output debug info (default stdout)
std::ostream &os;
/// whether to act in step mode (wait for the user ENTER after each step)
bool interactive;
public:
/**
* @param os the output stream to print debug information (default std::cout)
*/
DebugListener(std::ostream &_os = std::cout);
virtual ~DebugListener();
virtual void notify(const HighlightEvent &event);
void setInteractive(bool i = true) {
interactive = i;
}
/**
* Waits for the user to press ENTER (in case of interactive debugging)
*/
void step();
};
}
#endif /*DEBUGLISTENER_H_*/
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