RhodeCode

  public:

    ///\e

    ArgParser(int argc, const char **argv);

    ~ArgParser();

    ///Add a new integer type option

    ///\param name The name of the option. The leading '-' must be omitted.

    ///\param help A help string.

    ///\param obl Indicate if the option is mandatory.

    ArgParser &intOption(const std::string &name,

		    const std::string &help,

		    int value=0, bool obl=false);

    ///Add a new floating point type option

    ///\param name The name of the option. The leading '-' must be omitted.

    ///\param help A help string.

    ///\param obl Indicate if the option is mandatory.

    ArgParser &doubleOption(const std::string &name,

		      const std::string &help,

		      double value=0, bool obl=false);

    ///Add a new bool type option

    ///\param name The name of the option. The leading '-' must be omitted.

    ///\param help A help string.

    ///\param obl Indicate if the option is mandatory.

    ArgParser &boolOption(const std::string &name,

		      const std::string &help,

		      bool value=false, bool obl=false);

    ///Add a new string type option

    ///\param name The name of the option. The leading '-' must be omitted.

    ///\param help A help string.

    ///\param obl Indicate if the option is mandatory.

    ArgParser &stringOption(const std::string &name,

		      const std::string &help,

		      std::string value="", bool obl=false);

    ///\name Options with external storage

    ///Using this functions, the value of the option will be directly written

    ///into a variable once the option appears in the command line.

    ///@{

    ///Add a new integer type option with a storage reference

    ///\param obl Indicate if the option is mandatory.

    ///\retval ref The value of the argument will be written to this variable.

    ArgParser &refOption(const std::string &name,

		      const std::string &help,

		      double &ref, bool obl=false);

    ///Add a new bool type option with a storage reference

    ///\param name The name of the option. The leading '-' must be omitted.

    ///\param help A help string.

    ///\param obl Indicate if the option is mandatory.

    ///\retval ref The value of the argument will be written to this variable.

    ArgParser &refOption(const std::string &name,

		      const std::string &help,

		      bool &ref, bool obl=false);

    ///Add a new string type option with a storage reference

    ///\param name The name of the option. The leading '-' must be omitted.

    ///\param help A help string.

    ///\retval ref The value of the argument will be written to this variable.

    ArgParser &refOption(const std::string &name,

		      const std::string &help,

		      std::string &ref, bool obl=false);

    ///@}

    ///\name Option Groups and Synonyms

    ///

    ///@{

    ///Boundle some options into a group

    ///throws an exception (i.e. it performs runtime type checking).

    class RefType 

    {

      ArgParser &_parser;

      std::string _name;

    public:

      ///\e

      RefType(ArgParser &p,const std::string &n) :_parser(p),_name(n) {}

      ///\e

      operator bool() 

      {

	Opts::iterator i = _parser._opts.find(_name);

		     std::string()+"Unkown option: '"+_name+"'");

		     std::string()+"'"+_name+"' is a bool option");

	return *(i->second.bool_p);

      }

      ///\e

      operator std::string()

      {

	Opts::iterator i = _parser._opts.find(_name);

		     std::string()+"Unkown option: '"+_name+"'");

		     std::string()+"'"+_name+"' is a string option");

	return *(i->second.string_p);

      }

      ///\e

      operator double() 

      {

	Opts::iterator i = _parser._opts.find(_name);

		     std::string()+"Unkown option: '"+_name+"'");

		     std::string()+"'"+_name+"' is a floating point option");

	return i->second.type==ArgParser::DOUBLE ?

	  *(i->second.double_p) : *(i->second.int_p);

      }

      ///\e

      operator int() 

      {

	Opts::iterator i = _parser._opts.find(_name);

		     std::string()+"Unkown option: '"+_name+"'");

		     std::string()+"'"+_name+"' is an integer option");

	return *(i->second.int_p);

      }

    };

    ///Give back the value of an option

    ///Give back the value of an option.

    ///\sa RefType

    RefType operator[](const std::string &n)

    {