CommandLineParser.h

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/*
 * CommandLineParser.h
 *
 *  Created on: 1 Sep 2017
 *      Author: Nicola Mori
 */

#ifndef COMMANDLINEPARSER_H_
#define COMMANDLINEPARSER_H_

#include <string>
#include <vector>

namespace EA {

class CommandLineParser {
public:
  void AddOption(const std::string &shortInd, const std::string &longInd, bool mandatory = false);

  void AddMultiOption(const std::string &shortInd, const std::string &longInd, bool mandatory = false);

  void AddFlag(const std::string &shortInd, const std::string &longInd);

  bool ProcessCommandLine(int argc, const char *const *const argv);

  int GetNOptions(const std::string &indicator);

  int GetNMultiOptions(const std::string &indicator);

  const std::string &GetOption(const std::string &indicator, int optionNo = 0);

  const std::vector<std::string> &GetMultiOption(const std::string &indicator, int optionNo = 0);

  bool GetFlag(const std::string &indicator);

  const std::vector<std::string> &GetArguments();

private:
  struct OptionStruct {
    std::string shortInd;
    std::string longInd;
    std::string value;
    bool mandatory;
    OptionStruct(const std::string &shortIndicator, const std::string &longIndicator, bool mand = false)
        : shortInd(shortIndicator), longInd(longIndicator), value(""), mandatory(mand) {}
  };
  std::vector<OptionStruct> _options;

  struct MultiOptionStruct {
    std::string shortInd;
    std::string longInd;
    std::vector<std::string> value;
    bool mandatory;
    MultiOptionStruct(const std::string &shortIndicator, const std::string &longIndicator, bool mand = false)
        : shortInd(shortIndicator), longInd(longIndicator), value(0), mandatory(mand) {}
  };
  std::vector<MultiOptionStruct> _multiOptions;

  struct FlagStruct {
    std::string shortInd;
    std::string longInd;
    bool value;
    FlagStruct(const std::string &shortIndicator, const std::string &longIndicator)
        : shortInd(shortIndicator), longInd(longIndicator), value(false) {}
  };
  std::vector<FlagStruct> _flags;

  std::vector<std::string> _arguments;
};

} // namespace EA

#endif /* COMMANDLINEPARSER_H_ */