Paths.h

// -*- C++ -*-
//
// This file is part of LHAPDF
// Copyright (C) 2012-2023 The LHAPDF collaboration (see AUTHORS for details)
//
#pragma once
#ifndef LHAPDF_Paths_H
#define LHAPDF_Paths_H

#include "LHAPDF/Utils.h"

namespace LHAPDF {





  std::vector<std::string> paths();

  void setPaths(const std::string& pathstr);
  inline void setPaths(std::vector<string> paths) {
    setPaths(join(paths, ":"));
  }


  inline void pathsPrepend(const std::string& p) {
    vector<string> ps = paths();
    ps.insert(ps.begin(), p);
    //ps.pop_back(); //< Discard the auto-added fallback path to the installed data prefix
    setPaths(ps);
  }


  inline void pathsAppend(const std::string& p) {
    vector<string> ps = paths();
    //ps.pop_back(); //< Discard the auto-added fallback path to the installed data prefix
    ps.push_back(p);
    setPaths(ps);
  }


  std::string findFile(const std::string& target);

  std::vector<std::string> findFiles(const std::string& target);




  inline std::string pdfmempath(const std::string& setname, int member) {
    const string memname = setname + "_" + to_str_zeropad(member) + ".dat";
    const string mempath = setname / memname;
    return mempath;
  }

  inline std::string findpdfmempath(const std::string& setname, int member) {
    return findFile(pdfmempath(setname, member));
  }

  inline std::string pdfsetinfopath(const std::string& setname) {
    const string infoname = setname + ".info";
    const string setinfo = setname / infoname;
    return setinfo;
  }

  inline std::string findpdfsetinfopath(const std::string& setname) {
    return findFile(pdfsetinfopath(setname));
  }


  const std::vector<std::string>& availablePDFSets();



}

#endif