arg_exception.hpp

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/*****************************************************************************
** Ifdefs
*****************************************************************************/

#ifndef TCLAP_ARG_EXCEPTION_H
#define TCLAP_ARG_EXCEPTION_H

#include <string>
#include <exception>

namespace ecl {


class ArgException : public std::exception
{
        public:

                ArgException( const std::string& text = "undefined exception",
                                          const std::string& id = "undefined",
                                          const std::string& td = "Generic ArgException")
                        : std::exception(),
                          _errorText(text),
                          _argId( id ),
                          _typeDescription(td)
                { }

                virtual ~ArgException() throw() { }

                std::string error() const { return ( _errorText ); }

                std::string argId() const
                {
                        if ( _argId == "undefined" )
                                return " ";
                        else
                                return ( "Argument: " + _argId );
                }

                const char* what() const throw()
                {
                        static std::string ex;
                        ex = _argId + " -- " + _errorText;
                        return ex.c_str();
                }

                std::string typeDescription() const
                {
                        return _typeDescription;
                }


        private:

                std::string _errorText;

                std::string _argId;

                std::string _typeDescription;

};

class ArgParseException : public ArgException
{
        public:
                ArgParseException( const std::string& text = "undefined exception",
                                               const std::string& id = "undefined" )
                        : ArgException( text,
                                        id,
                                                        std::string( "Exception found while parsing " ) +
                                                        std::string( "the value the Arg has been passed." ))
                        { }
};

class CmdLineParseException : public ArgException
{
        public:
                CmdLineParseException( const std::string& text = "undefined exception",
                                                   const std::string& id = "undefined" )
                        : ArgException( text,
                                        id,
                                                        std::string( "Exception found when the values ") +
                                                        std::string( "on the command line do not meet ") +
                                                        std::string( "the requirements of the defined ") +
                                                        std::string( "Args." ))
                { }
};

class SpecificationException : public ArgException
{
        public:
                SpecificationException( const std::string& text = "undefined exception",
                                                    const std::string& id = "undefined" )
                        : ArgException( text,
                                        id,
                                                        std::string("Exception found when an Arg object ")+
                                                        std::string("is improperly defined by the ") +
                                                        std::string("developer." ))
                { }

};

}; // namespace ecl


#endif