write_action

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// 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 {
  TOOLS_ACTION_NO_COPY(write_action,tools::sg::write_action,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)
  :parent(a_out){}
  virtual ~write_action(){}
protected:
  write_action(const write_action& a_from)
  :parent(a_from)
  {}
  write_action& operator=(const write_action& a_from){
    parent::operator=(a_from);
    return *this;
  }
};
 
}}
 
#endif