OptParse

C++20 based OptParser

int main(int argc, char **argv)
{
  std::vector<OptParse::OptParseItem> options;

  options.push_back( OptParse::OptParseItem("-r", "--samplingRate", true, "48000", "Set Sampling Rate"));
  options.push_back( OptParse::OptParseItem("-e", "--encoding", true, "PCM16", "Set Encoding PCM8, PCM16, PCM24, PCM32, PCMFLOAT"));
  options.push_back( OptParse::OptParseItem("-c", "--channel", true, "2", "Set channel 2, 2.1, 4, 4.1, 5, 5.1, 5.1.2, 7.1"));

  OptParse optParser( argc, argv, options );

  for( auto& [anOption, anOptionValue] : optParser.values ){
    std::cout << anOption << "=" << anOptionValue << std::endl;
  }

  for( auto& anArg : optParser.args ){
    std::cout << anArg << std::endl;
  }

  return 0;
}

% clang++ -std=c++2a -stdlib=libc++ example.cpp
% ./a.out --help
  -r  --samplingRate : Set Sampling Rate
  -e  --encoding     : Set Encoding PCM8, PCM16, PCM24, PCM32, PCMFLOAT
  -c  --channel      : Set channel 2, 2.1, 4, 4.1, 5, 5.1, 5.1.2, 7.1
  -h  --help         : Show help
%
% ./a.out arg1 -r 38400 arg2 -e PCMFLOAT --channel=5.1.2 arg3
options:
-c=5.1.2
-e=PCMFLOAT
-r=38400

arguments:
arg1
arg2
arg3

hidenorly/OptParse

OptParse