to

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// Copyright (C) 2010, Guy Barrand. All rights reserved.
// See the file tools.license for terms.
 
#ifndef tools_wroot_to
#define tools_wroot_to
 
#include "directory"
#include "streamers"
#include "bufobj"
 
namespace tools {
namespace wroot {
 
//typedef std::map<std::string,std::string> annotations_t;
inline bool to(directory& a_dir,const std::map<std::string,std::string>& a_annotations,const std::string& a_histo_name) {
  //if(a_annotations.empty()) return true;
  std::string sas;
  tools_mforcit(std::string,std::string,a_annotations,it) {
    if(it!=a_annotations.begin()) sas += "\n";
    sas += (*it).first;
    sas += "\n";
    sas += (*it).second;
  }
  std::string key_name = "annotations_"+a_histo_name;
  bufobj* bo = new bufobj(a_dir.file().out(),a_dir.file().byte_swap(),256,key_name,"annotations","TNamed");
  if(!Named_stream(*bo,a_histo_name,sas)) {
    a_dir.file().out() << "tools::wroot::to : Named_stream failed." << std::endl;
    delete bo;
    return false;
  }
  a_dir.append_object(bo); //a_dir takes ownership of bo.
  return true;
}
 
inline bool to(directory& a_dir,const histo::h1d& a_histo,const std::string& a_name) {
  bufobj* bo = new bufobj(a_dir.file().out(),a_dir.file().byte_swap(),256,a_name,a_histo.title(),"TH1D");
  if(!TH1D_stream(*bo,a_histo,a_name)) {
    a_dir.file().out() << "tools::wroot::to : TH1D_stream failed." << std::endl;
    delete bo;
    return false;
  }
  a_dir.append_object(bo); //a_dir takes ownership of bo.
  return true;
}
 
inline bool to(directory& a_dir,const histo::h1df& a_histo,const std::string& a_name) {
  bufobj* bo = new bufobj(a_dir.file().out(),a_dir.file().byte_swap(),256,a_name,a_histo.title(),"TH1F");
  if(!TH1F_stream(*bo,a_histo,a_name)) {
    a_dir.file().out() << "tools::wroot::to : TH1F_stream failed." << std::endl;
    delete bo;
    return false;
  }
  a_dir.append_object(bo); //a_dir takes ownership of bo.
  return true;
}
 
inline bool to(directory& a_dir,const histo::h2d& a_histo,const std::string& a_name) {
  bufobj* bo = new bufobj(a_dir.file().out(),a_dir.file().byte_swap(),256,a_name,a_histo.title(),"TH2D");
  if(!TH2D_stream(*bo,a_histo,a_name)) {
    a_dir.file().out() << "tools::wroot::to : TH2D_stream failed." << std::endl;
    delete bo;
    return false;
  }
  a_dir.append_object(bo); //a_dir takes ownership of bo.
  return true;
}
 
inline bool to(directory& a_dir,const histo::h2df& a_histo,const std::string& a_name) {
  bufobj* bo = new bufobj(a_dir.file().out(),a_dir.file().byte_swap(),256,a_name,a_histo.title(),"TH2F");
  if(!TH2F_stream(*bo,a_histo,a_name)) {
    a_dir.file().out() << "tools::wroot::to :"
                       << " TH2F_stream failed."
                       << std::endl;
    delete bo;
    return false;
  }
  a_dir.append_object(bo); //a_dir takes ownership of bo.
  return true;
}
 
inline bool to(directory& a_dir,const histo::h3d& a_histo,const std::string& a_name) {
  bufobj* bo = new bufobj(a_dir.file().out(),a_dir.file().byte_swap(),256,
                          a_name,a_histo.title(),"TH3D");
  if(!TH3D_stream(*bo,a_histo,a_name)) {
    a_dir.file().out() << "tools::wroot::to :"
                       << " TH3D_stream failed."
                       << std::endl;
    delete bo;
    return false;
  }
  a_dir.append_object(bo); //a_dir takes ownership of bo.
  return true;
}
 
inline bool to(directory& a_dir,const histo::h3df& a_histo,const std::string& a_name) {
  bufobj* bo = new bufobj(a_dir.file().out(),a_dir.file().byte_swap(),256,a_name,a_histo.title(),"TH3F");
  if(!TH3F_stream(*bo,a_histo,a_name)) {
    a_dir.file().out() << "tools::wroot::to :"
                       << " TH3F_stream failed."
                       << std::endl;
    delete bo;
    return false;
  }
  a_dir.append_object(bo); //a_dir takes ownership of bo.
  return true;
}
 
inline bool to(directory& a_dir,const histo::p1d& a_histo,const std::string& a_name) {
  bufobj* bo = new bufobj(a_dir.file().out(),a_dir.file().byte_swap(),256,
                          a_name,a_histo.title(),"TProfile");
  if(!TProfile_stream(*bo,a_histo,a_name)) {
    a_dir.file().out() << "tools::wroot::to :"
                       << " TProfile_stream failed."
                       << std::endl;
    delete bo;
    return false;
  }
  a_dir.append_object(bo); //a_dir takes ownership of bo.
  return true;
}
 
inline bool to(directory& a_dir,const histo::p2d& a_histo,const std::string& a_name) {
  bufobj* bo = new bufobj(a_dir.file().out(),a_dir.file().byte_swap(),256,
                          a_name,a_histo.title(),"TProfile2D");
  if(!TProfile2D_stream(*bo,a_histo,a_name)) {
    a_dir.file().out() << "tools::wroot::to :"
                       << " TProfile2D_stream failed."
                       << std::endl;
    delete bo;
    return false;
  }
  a_dir.append_object(bo); //a_dir takes ownership of bo.
  return true;
}
 
inline bool write_histos(directory& a_dir,const std::vector< std::pair<std::string,void*> >& a_hists) {
  typedef std::pair<std::string,void*> class_pointer;
 
  tools_vforcit(class_pointer,a_hists,it) {
    const std::string& scls = (*it).first;
    void* p = (*it).second;
    if(scls==histo::h1d::s_class()) {
      histo::h1d& h = *((histo::h1d*)p);
      if(!to(a_dir,h,h.title())) return false;
 
    } else if(scls==histo::h2d::s_class()) {
      histo::h2d& h = *((histo::h2d*)p);
      if(!to(a_dir,h,h.title())) return false;
 
    } else if(scls==histo::h3d::s_class()) {
      histo::h3d& h = *((histo::h3d*)p);
      if(!to(a_dir,h,h.title())) return false;
 
    } else if(scls==histo::p1d::s_class()) {
      histo::p1d& h = *((histo::p1d*)p);
      if(!to(a_dir,h,h.title())) return false;
 
    } else if(scls==histo::p2d::s_class()) {
      histo::p2d& h = *((histo::p2d*)p);
      if(!to(a_dir,h,h.title())) return false;
 
    } else {
      a_dir.file().out() << "tools::wroot::write_histos :"
                         << " WARNING : class " << scls << " not handled."
                         << std::endl;
    }
 
  }
  return true;
}
 
}}
 
#include "member_writer"
#include "../store/osc_streamers"
 
namespace tools {
namespace wroot {
 
inline bool to_osc(directory& a_dir,const histo::h1d& a_histo,const std::string& a_name) {
  bufobj* bo = new bufobj(a_dir.file().out(),a_dir.file().byte_swap(),256,
                          a_name,a_histo.title(),osc::s_h1d());
 
  //Stream as in a BatchLab/Rio/Data.h :
  if(!bo->write_version(1)) return false;
  if(!Named_stream(*bo,a_name,a_histo.title())) return false;
 
  member_writer mw(*bo);
  if(!osc::visit(mw,a_histo)) {
    a_dir.file().out() << "tools::wroot::to_osc :"
                       << " Histogram1D_stream failed."
                       << std::endl;
    delete bo;
    return false;
  }
  a_dir.append_object(bo); //a_dir takes ownership of bo.
  return true;
}
 
inline bool to_osc(directory& a_dir,const histo::h2d& a_histo,const std::string& a_name) {
  bufobj* bo = new bufobj(a_dir.file().out(),a_dir.file().byte_swap(),256,
                          a_name,a_histo.title(),osc::s_h2d());
 
  //Stream as in a BatchLab/Rio/Data.h :
  if(!bo->write_version(1)) return false;
  if(!Named_stream(*bo,a_name,a_histo.title())) return false;
 
  member_writer mw(*bo);
  if(!osc::visit(mw,a_histo)) {
    a_dir.file().out() << "tools::wroot::to_osc :"
                       << " Histogram2D_stream failed."
                       << std::endl;
    delete bo;
    return false;
  }
  a_dir.append_object(bo); //a_dir takes ownership of bo.
  return true;
}
 
inline bool to_osc(directory& a_dir,const histo::h3d& a_histo,const std::string& a_name) {
  bufobj* bo = new bufobj(a_dir.file().out(),a_dir.file().byte_swap(),256,
                          a_name,a_histo.title(),osc::s_h3d());
 
  //Stream as in a BatchLab/Rio/Data.h :
  if(!bo->write_version(1)) return false;
  if(!Named_stream(*bo,a_name,a_histo.title())) return false;
 
  member_writer mw(*bo);
  if(!osc::visit(mw,a_histo)) {
    a_dir.file().out() << "tools::wroot::to_osc :"
                       << " Histogram3D_stream failed."
                       << std::endl;
    delete bo;
    return false;
  }
  a_dir.append_object(bo); //a_dir takes ownership of bo.
  return true;
}
 
inline bool to_osc(directory& a_dir,const histo::p1d& a_histo,const std::string& a_name) {
  bufobj* bo = new bufobj(a_dir.file().out(),a_dir.file().byte_swap(),256,
                          a_name,a_histo.title(),osc::s_p1d());
 
  //Stream as in a BatchLab/Rio/Data.h :
  if(!bo->write_version(1)) return false;
  if(!Named_stream(*bo,a_name,a_histo.title())) return false;
 
  member_writer mw(*bo);
  if(!osc::visit(mw,a_histo)) {
    a_dir.file().out() << "tools::wroot::to_osc :"
                       << " Profile1D_stream failed."
                       << std::endl;
    delete bo;
    return false;
  }
  a_dir.append_object(bo); //a_dir takes ownership of bo.
  return true;
}
 
inline bool to_osc(directory& a_dir,const histo::p2d& a_histo,const std::string& a_name) {
  bufobj* bo = new bufobj(a_dir.file().out(),a_dir.file().byte_swap(),256,
                          a_name,a_histo.title(),osc::s_p2d());
 
  //Stream as in a BatchLab/Rio/Data.h :
  if(!bo->write_version(1)) return false;
  if(!Named_stream(*bo,a_name,a_histo.title())) return false;
 
  member_writer mw(*bo);
  if(!osc::visit(mw,a_histo)) {
    a_dir.file().out() << "tools::wroot::to_osc :"
                       << " Profile2D_stream failed."
                       << std::endl;
    delete bo;
    return false;
  }
  a_dir.append_object(bo); //a_dir takes ownership of bo.
  return true;
}
 
}}
 
#endif