// Copyright (C) 2010, Guy Barrand. All rights reserved.
// See the file tools.license for terms.

#ifndef tools_sg_write_action
#define tools_sg_write_action

#include "action"

namespace tools {
namespace sg {
  class node;
}}
namespace tools {
namespace io {
  class iwbuf;
}}

namespace tools {
namespace sg {

class write_action : public action {
public:
  virtual io::iwbuf& buffer() = 0;
  virtual bool beg_node(const node&) = 0;
  virtual bool end_node(const node&) = 0;

  virtual bool switch_do_all_children() {return true;}
  virtual unsigned int protocol() const = 0;
public:
  write_action(std::ostream& a_out)
  :action(a_out){}
  virtual ~write_action(){}
protected:
  write_action(const write_action& a_from)
  :action(a_from)
  {}
  write_action& operator=(const write_action& a_from){
    action::operator=(a_from);
    return *this;
  }
};

}}

#endif