InputFileHandler.cc

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#include "InputFileHandler.h"

#include <phool/phool.h>

#include <algorithm>
#include <filesystem>
#include <fstream>
#include <iostream>

int InputFileHandler::AddFile(const std::string &filename)
{
  if (GetVerbosity() > 0)
  {
    std::cout << "Adding " << filename << " to list of input files" << std::endl;
  }
  m_FileList.push_back(filename);
  m_FileListCopy.push_back(filename);
  return 0;
}

int InputFileHandler::AddListFile(const std::string &filename)
{
  // checking filesize to see if we have a text file
  if (std::filesystem::exists(filename.c_str()))
  {
    if (std::filesystem::is_regular_file(filename.c_str()))
    {
      //      uintmax_t fsize = std::filesystem::file_size(filename.c_str());
    }
    else
    {
      std::cout << filename << " is not a regular file" << std::endl;
      return -1;
    }
  }
  else
  {
    std::cout << PHWHERE << "Could not open " << filename << std::endl;
    return -1;
  }
  std::ifstream infile;
  infile.open(filename, std::ios_base::in);
  if (!infile)
  {
    std::cout << PHWHERE << "Could not open " << filename << std::endl;
    return -1;
  }
  std::string FullLine;
  int nfiles = 0;
  getline(infile, FullLine);
  while (!infile.eof())
  {
    if (!std::all_of(FullLine.begin(), FullLine.end(), ::isprint))
    {
      std::cout << PHWHERE << "file " << filename
                << " contains non printable characters, it is likely a binary file" << std::endl;
      return -1;
    }
    if (!FullLine.empty() && FullLine[0] != '#')  // remove comments
    {
      AddFile(FullLine);
      nfiles++;
    }
    else if (!FullLine.empty())
    {
      if (GetVerbosity() > 0)
      {
        std::cout << "Found Comment: " << FullLine << std::endl;
      }
    }
    getline(infile, FullLine);
  }
  infile.close();
  if (nfiles == 0)
  {
    std::cout << " listfile " << filename << " does not contain filenames "
              << "if this is the only list you load into this Input Manager your code will exit very soon" << std::endl;
  }
  return 0;
}

int InputFileHandler::OpenNextFile()
{
  while (!m_FileList.empty())
  {
    std::list<std::string>::const_iterator iter = m_FileList.begin();
    if (GetVerbosity())
    {
      std::cout << PHWHERE << " opening next file: " << *iter << std::endl;
    }
    if (fileopen(*iter))
    {
      std::cout << PHWHERE << " could not open file: " << *iter << std::endl;
      m_FileList.pop_front();
    }
    else
    {
      return 1;
    }
  }
  return 0;
}

void InputFileHandler::Print(const std::string & /* what */) const
{
  std::cout << "file list: " << std::endl;
  for (const auto &iter : m_FileList)
  {
    std::cout << iter << std::endl;
  }
}

void InputFileHandler::UpdateFileList()
{
  if (!m_FileList.empty())
  {
    if (m_Repeat)
    {
      m_FileList.push_back(*(m_FileList.begin()));
      if (m_Repeat > 0)
      {
        m_Repeat--;
      }
    }
    m_FileList.pop_front();
  }
  return;
}