/Users/barrand/private/dev/softinex/old/inexlib-1.2/inlib/inlib/sg/write_exsg

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

#ifndef inlib_sg_write_exsg
#define inlib_sg_write_exsg

// inheritance :
#include "write_action"

#include "../io/xwbuf"

#include "../sg/node"
#include "../file"

namespace inlib {
namespace sg {

class write_exsg : public write_action {
public:
  virtual io::iwbuf& buffer() {return m_buffer;}
  virtual bool beg_node(const node& a_node) {
    std::string s;
    s  += "<";
    s  += a_node.s_cls();
    s  += ">\n";
    return m_buffer.write_verbatim(s.c_str());
  }
  virtual bool end_node(const node& a_node) {
    std::string s;
    s  += "\n</";
    s  += a_node.s_cls();
    s  += ">\n";
    return m_buffer.write_verbatim(s.c_str());
  }
public:
  write_exsg(std::ostream& a_out)
  : write_action(a_out),m_buffer(a_out)
  {}
  virtual ~write_exsg(){}
protected:
  write_exsg(const write_exsg& a_from)
  : write_action(a_from)
  ,m_buffer(a_from.m_out)
  {}
  write_exsg& operator=(const write_exsg& a_from){
    write_action::operator=(a_from);
    return *this;
  }
public:
  bool open_buffer() {
    m_buffer.reset_pos();

    //NOTE : if changing the header, change inlib::file::is_exsg().
   {std::string s;
    s  += "<exsg>\n";
    if(!m_buffer.write_verbatim(s.c_str())) return false;}

    return true;
  }

  bool close_buffer() {
   {std::string s;
    s  += "</exsg>\n";
    if(!m_buffer.write_verbatim(s.c_str())) return false;}
    return true;
  }

  bool write_file(const std::string& a_file) const {
    return file::write_bytes(a_file,m_buffer.buf(),m_buffer.length());
  }
private:
  io::xwbuf m_buffer;
};

}}

#endif