WriterFLAT.cc

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// -*- C++ -*-
//
// This file is part of YODA -- Yet more Objects for Data Analysis
// Copyright (C) 2008-2023 The YODA collaboration (see AUTHORS for details)
//
#include "YODA/WriterFLAT.h"
#include "YODA/Scatter.h"
 
#include <iostream>
#include <iomanip>
 
using namespace std;
 
namespace YODA {
 
  Writer& WriterFLAT::create() {
    static WriterFLAT _instance;
    _instance.setPrecision(6);
    return _instance;
  }
 
  // Version-formatting helper function
  void WriterFLAT::_writeAnnotations(std::ostream& os, const AnalysisObject& ao) {
    os << scientific << setprecision(_aoprecision);
    for (const string& a : ao.annotations()) {
      if (a.empty()) continue;
      if (a == "Type") continue;
      os << a << "=" << ao.annotation(a) << "\n";
    }
  }
 
 
  void WriterFLAT::writeAO(std::ostream& os, const AnalysisObject& ao) {
    ios_base::fmtflags oldflags = os.flags();
    os << scientific << showpoint << setprecision(_aoprecision);
    os << "BEGIN SCATTER" <<  std::to_string(ao.dim()) << "D " << ao.path() << "\n";
    _writeAnnotations(os, ao);
    ao._renderFLAT(os, _aoprecision+7); // = "-1." + _aoprecision + "e+23"
    os << "END SCATTER" << std::to_string(ao.dim()) << "D" << "\n\n";
 
    os << flush;
    os.flags(oldflags);
  }
 
}