message.h

Go to the documentation of this file.

#ifndef MESSAGE_H
#define MESSAGE_H

#include <cassert>
#include <string>
#include <iostream>
#include <sstream>
#include <vector>
using namespace std;

#include <typedefs.h>


class message;

class message
{
public:

  static message *global;

  void globalset()
    { global = this; }

  virtual ostream& operator()()=0; 

  virtual ~message() {};

  virtual void pre() {};
  virtual void post() {};
  template< typename T >
  message& operator << (T& x)
  { 
    pre(); 
    (*this)() << x; 
    post(); 
    return *this; 
  }

};

/*
class messageglobal : public message
{
public:
  
  // Write to the global stream. 
  ostream& operator()()
    { return (*message::global)(); }
};
*/

message& messageglobal();

class messagecout : public message
{
public:

  ostream& operator()() 
    { return cout; }
};

class messagefile : public message
{
  messagefile();
  fstream* os;
public:

  messagefile
  (
    stringc& filename, 
    boolc killprevfile=false,  
    boolc binary=false
  );
  ~messagefile();

  ostream& operator()(); 
};


class messagelist : public message
{
protected:
  stringstream ss;
public:

  vector<string> vi;

  void pre();
  void post();
  
  ostream& operator()();

};


#endif