Function main

Examples/FirstSteps/NewModule/cmdapps/ExampleToUpperCaseMiniApp.cpp:37–157

[main]

//! [main]
int main(int argc, char *argv[])
{
  //! [main]

  //! [create parser]
  mitkCommandLineParser parser;

  // set general information about your MiniApp
  parser.setCategory("MITK-Examples");
  parser.setTitle("To Upper Case");
  parser.setDescription("An example MiniApp that converts the contents of a test file to upper case.");
  parser.setContributor("German Cancer Research Center (DKFZ)");
  //! [create parser]

  //! [add arguments]
  // how should arguments be prefixed
  parser.setArgumentPrefix("--", "-");
  // add each argument, unless specified otherwise each argument is optional
  // see mitkCommandLineParser::addArgument for more information
  parser.beginGroup("Required I/O parameters");
  parser.addArgument(
    "input", "i", mitkCommandLineParser::File, "Input file", "input file (.txt/.example)", us::Any(), false, false, false, mitkCommandLineParser::Input);
  parser.addArgument("output",
                     "o",
                     mitkCommandLineParser::File,
                     "Output file",
                     "where to save the output (.txt/.example)",
                     us::Any(),
                     false, false, false, mitkCommandLineParser::Output);
  parser.endGroup();

  parser.beginGroup("Optional parameters");
  parser.addArgument(
    "verbose", "v", mitkCommandLineParser::Bool, "Verbose Output", "Whether to produce verbose output");
  parser.endGroup();
  //! [add arguments]

  //! [parse the arguments]
  // parse arguments, this method returns a mapping of long argument names and their values
  std::map<std::string, us::Any> parsedArgs = parser.parseArguments(argc, argv);

  if (parsedArgs.size() == 0)
    return EXIT_FAILURE;

  // parse, cast and set required arguments
  std::string inFilename = us::any_cast<std::string>(parsedArgs["input"]);
  std::string outFileName = us::any_cast<std::string>(parsedArgs["output"]);

  // default values for optional arguments
  bool verbose(false);

  // parse, cast and set optional arguments if given
  if (parsedArgs.count("verbose"))
  {
    verbose = us::any_cast<bool>(parsedArgs["verbose"]);
  }
  //! [parse the arguments]