Method find

src/openms/source/SYSTEM/File.cpp:371–418

  }

  String File::find(const String& filename, StringList directories)
  {
    // maybe we do not need to do anything?!
    // This check is required since calling File::find(File::find("CHEMISTRY/unimod.xml")) will otherwise fail
    // because the outer call receives an absolute path already
    if (exists(filename))
    {
      return filename;
    }
    String filename_new = filename;

    // empty string cannot be found, so throw Exception.
    // The code below would return success on empty string, since a path is prepended and thus the location exists
    if (filename_new.trim().empty())
    {
      throw Exception::FileNotFound(__FILE__, __LINE__, OPENMS_PRETTY_FUNCTION, filename);
    }
    //add data dir in OpenMS data path
    directories.push_back(getOpenMSDataPath());

    //add path suffix to all specified directories
    String path = File::path(filename);
    if (!path.empty())
    {
      for (String& str : directories)
      {
        str.ensureLastChar('/');
        str += path;
      }
      filename_new = File::basename(filename);
    }

    //look up file
    for (const String& str : directories)
    {
      String loc = str;
      loc.ensureLastChar('/');
      loc = loc + filename_new;

      if (exists(loc))
      {
        return String(QDir::cleanPath(loc.toQString()));
      }
    }

    //if the file was not found, throw an exception
    throw Exception::FileNotFound(__FILE__, __LINE__, OPENMS_PRETTY_FUNCTION, filename);
  }

  bool File::fileList(const String& dir, const String& file_pattern, StringList& output, bool full_path)
  {