Warning.h

//-*-C++-*-
/***************************************************************************
 *
 *   Copyright (C) 2006 by Willem van Straten
 *   Licensed under the Academic Free License version 2.1
 *
 ***************************************************************************/
 
// psrchive/Util/genutil/Warning.h
 
#ifndef __Warning_h
#define __Warning_h
 
#include "ThreadContext.h"
 
#include <map>
#include <string>
#include <sstream>
#include <iostream>
 
typedef std::ostream& (*manipulator) ( std::ostream& os );
 
 
class Warning {
 
  public:
 
  static bool verbose;
 
  Warning (std::ostream& output = std::cerr);
 
  virtual ~Warning ();
 
  std::string prefix;
 
  bool first;
 
  bool all;
 
  bool summary;
 
  template<class T>
  friend Warning& operator<< (Warning& warning, const T& t)
  {
    ThreadContext::Lock (warning.context);
 
    warning.buffer << t;
    warning.message += "*";
    return warning;
  }
 
  friend Warning& operator<< (Warning& warning, const char* t);
 
  friend Warning& operator<< (Warning& warning, manipulator m);
 
protected:
 
  std::map<std::string, unsigned> messages;
 
  std::ostream& output;
 
  std::ostringstream buffer;
 
  std::string message;
 
  void insertion (manipulator m);
 
  ThreadContext* context;
 
};
 
 
#endif