text: /*
  
     Copyright (c) 2006-2010, The Scripps Research Institute
  
     Licensed under the Apache License, Version 2.0 (the "License");
     you may not use this file except in compliance with the License.
     You may obtain a copy of the License at
  
         http://www.apache.org/licenses/LICENSE-2.0
  
     Unless required by applicable law or agreed to in writing, software
     distributed under the License is distributed on an "AS IS" BASIS,
     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     See the License for the specific language governing permissions and
     limitations under the License.
  
     Author: Dr. Oleg Trott <ot14@columbia.edu>, 
             The Olson Lab, 
             The Scripps Research Institute
  
  */
  
  #include "utils.h"
  
  
  inline char separator() {
      // Source: https://stackoverflow.com/questions/12971499/how-to-get-the-file-separator-symbol-in-standard-c-c-or
      #ifdef _WIN32
          return '\\';
      #else
          return '/';
      #endif
  }
  
  
  path make_path(const std::string& str) {
      boost::filesystem::path p(str);
    return p;
  }
  
  
  void doing(const std::string& str, int verbosity, int level) {
      if(verbosity > level) {
        std::cout << str << std::string(" ... ") << std::flush;
      }
  }
  
  
  void done(int verbosity, int level) {
      if(verbosity > level) {
          std::cout << "done.\n" << std::flush;
      }
  }
  
  
  std::string default_output(const std::string& input_name) {
      std::string tmp = input_name;
      if (tmp.size() >= 6 && tmp.substr(tmp.size()-6, 6) == ".pdbqt")
          tmp.resize(tmp.size() - 6); // FIXME?
      return tmp + "_out.pdbqt";
  }
  
  
  std::string default_output(const std::string& input_name, const std::string& directory_pathname) {
      return directory_pathname + separator() + default_output(input_name);
  }
  
  
  bool is_directory(const std::string& directory_pathname) {
    //Source: https://stackoverflow.com/questions/18100097/portable-way-to-check-if-directory-exists-windows-linux-c
    struct stat info;
  
      if (stat(directory_pathname.c_str(), &info) != 0) 
          return false;
      else if (info.st_mode & S_IFDIR)  // S_ISDIR() doesn't exist on my windows 
          return true;
      else
          return false;
  }
  
  
  std::string get_filename(const std::string& s) {
      size_t i = s.rfind(separator(), s.length());
  
      if (i != std::string::npos) {
          return(s.substr(i + 1, s.length() - i));
      }
  
      return("");
  }
  
  std::string get_file_contents(const std::string& filename)
  {
      std::ifstream in(filename, std::ios::in | std::ios::binary);
      if (in)
      {
          std::string contents;
          in.seekg(0, std::ios::end);
          contents.resize(in.tellg());
          in.seekg(0, std::ios::beg);
          in.read(&contents[0], contents.size());
          in.close();
          return (contents);
      }
      throw(errno);
  }