/*
      _______                          .__ .__   .__   .__                 
      \      \    ____   __ __ _______ |__||  |  |  |  |__|  ____    ____  
      /   |   \ _/ __ \ |  |  \\_  __ \|  ||  |  |  |  |  | /  _ \  /    \ 
     /    |    \\  ___/ |  |  / |  | \/|  ||  |__|  |__|  |(  <_> )|   |  \
     \____|__  / \___  >|____/  |__|   |__||____/|____/|__| \____/ |___|  /
    =========\/======\/=================================================\/==
  v0.01 12/DEC/2007   Copyright 2007-2007 Scott D. Yelich SOME RIGHTS RESERVED
  ,-*~'`^`'~*-,._.,-*~'`^`'~*-,._.,-*~'`^`'~*-,._.-*~'`^`'~*-,._.,-*~'`^`'~*-,


  LICENSE:  Creative Commons Attribution 3.0 License.
  SEE:      http://creativecommons.org/licenses/by/3.0/


  Wed Dec 12 21:44:19 EST 2007, v0.01 sdy

  This is a *very* simple program written to test command line processing.

*/

//  PACKAGE

#include "CommandLine.h"

CommandLine commandLine;

void
usage()
{
  std::cout
    << "Usage: " << commandLine.program() << " [options ...] [pagename]" << std::endl
    << "-h              help (this information)" << std::endl
    << "-a              option requiring no additional arguments" << std::endl
    << "-b x            option requiring one additional argument" << std::endl
    << "-c x y          option requiring two additional arguments" << std::endl
    << "-- ...          stop processing command line options" << std::endl
  ;
}


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

  try {
    commandLine.process(argc, argv, "-a 0 -b 1 -c 2 -h 0");
  } catch (TypedException<CommandLine::Errors> & e) {
    switch (e.code()) {
    case CommandLine::InvalidFormat :
      std::cout << "Error: (InvalidFormat) " << e << " " << std::endl;
      exit(1);
      break;
    case CommandLine::RequiresParameter :
      std::cout << "Error: (RequiresParameter) " << e << " " << std::endl;
      exit(1);
      break;
    default :
      std::cout << "Unknown exception(" << e << ")" << std::endl;
      exit(1);
      break;
    }
  }
  if (commandLine.exists("-h")) {
    usage();
    exit(0);
  }
  if (commandLine.exists("-a")) {
    std::cout << "Found: -a = \"" << commandLine.get("-a") << "\"" << std::endl;
  }
  if (commandLine.exists("-b")) {
    std::cout << "Found: -b = \"" << commandLine.get("-b") << "\"" << std::endl;
  }
  if (commandLine.exists("-c")) {
    std::cout << "Found: -c = \"" << commandLine.get("-c") << "\"" << std::endl;
  }
  if (commandLine.exists("--")) {
    std::cout << "Found: -- = \"" << commandLine.get("--") << "\"" << std::endl;
  }
}