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

#ifndef tools_rroot_tree_index
#define tools_rroot_tree_index

#include "named"

namespace tools {
namespace rroot {

class tree_index : public virtual iro {
  static const std::string& s_store_class() {
    static const std::string s_v("TTreeIndex");
    return s_v;
  }
public:
  static const std::string& s_class() {
    static const std::string s_v("tools::rroot::tree_index");
    return s_v;
  }
public: //iro
  virtual void* cast(const std::string& a_class) const {
    if(void* p = cmp_cast<tree_index>(this,a_class)) return p;
    return 0;
  }
  virtual const std::string& s_cls() const {return s_class();}
public:
  static cid id_class() {return branch_cid();}
  virtual void* cast(cid a_class) const {
    if(void* p = cmp_cast<tree_index>(this,a_class)) {return p;}
    else return 0;
  }
public:
  virtual iro* copy() const {return new tree_index(*this);}
  virtual bool stream(buffer& a_buffer) {
    uint32 startpos = a_buffer.length();

    unsigned int _s,_c;
    short v;
    if(!a_buffer.read_version(v,_s,_c)) return false;

    if(!virtual_index_stream(a_buffer)) return false;

    std::string ds;
    if(!a_buffer.read(ds)) return false;           //fMajorName
    if(!a_buffer.read(ds)) return false;           //fMinorName

    int64 m_n;
    if(!a_buffer.read(m_n)) return false; //fN

    if(!dummy_array_stream<int64>(a_buffer,int(m_n))) return false;
    if(!dummy_array_stream<int64>(a_buffer,int(m_n))) return false;

    //FIXME : still problem with this streamer.

    a_buffer.set_offset(startpos+_c+sizeof(unsigned int));

    if(!a_buffer.check_byte_count(_s,_c,s_store_class())) return false;

    return true;
  }

public:
  tree_index()
  {
  }
  virtual ~tree_index(){
  }
protected:
  tree_index(const tree_index& a_from):iro(a_from){}
  tree_index& operator=(const tree_index&){return *this;}
protected:
  static const std::string& virtual_index_s_store_class() {
    static const std::string s_v("TVirtualIndex");
    return s_v;
  }
  bool virtual_index_stream(buffer& a_buffer){
    short v;
    unsigned int _s,_c;
    if(!a_buffer.read_version(v,_s,_c)) return false;
    std::string ds;
    if(!Named_stream(a_buffer,ds,ds)) return false;
    if(!a_buffer.check_byte_count(_s,_c,virtual_index_s_store_class()))
      return false;
    return true;
  }

};

}}

#endif