action

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// Copyright (C) 2010, Guy Barrand. All rights reserved.
// See the file tools.license for terms.
 
#ifndef tools_sg_action
#define tools_sg_action
 
#ifdef TOOLS_MEM
#include "../mem"
#endif
 
#include "../S_STRING"
#include "../scast"
 
#include <ostream>
 
namespace tools {
namespace sg {
 
class action {
public:
  TOOLS_SCLASS(tools::sg::action)
public:
  virtual void* cast(const std::string& a_class) const {
    if(void* p = cmp_cast<action>(this,a_class)) return p;
    return 0;
  }
  virtual const std::string& s_cls() const = 0;
public:
  action(std::ostream& a_out)
  :m_out(a_out)
  {
#ifdef TOOLS_MEM
    mem::increment(s_class().c_str());
#endif
  }
  virtual ~action(){
#ifdef TOOLS_MEM
    mem::decrement(s_class().c_str());
#endif
  }
protected:
  action(const action& a_from)
  :m_out(a_from.m_out)
  {
#ifdef TOOLS_MEM
    mem::increment(s_class().c_str());
#endif
  }
  action& operator=(const action&){return *this;}
public:
  std::ostream& out() const {return m_out;}
  //void reset() {
  //}
protected:
  std::ostream& m_out;
};
 
#include "../HEADER"
 
#define TOOLS_ACTION(a__class,a__sclass,a__parent)\
  TOOLS_HEADER(a__class,a__sclass,a__parent)\
  virtual tools::sg::action* copy() const {return new a__class(*this);}
 
#define TOOLS_ACTION_NO_COPY(a__class,a__sclass,a__parent)\
  TOOLS_HEADER(a__class,a__sclass,a__parent)
 
}}
 
#endif