ArgException.h

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// -*- Mode: c++; c-basic-offset: 4; tab-width: 4; -*-

/****************************************************************************** 
 * 
 *  file:  ArgException.h
 * 
 *  Copyright (c) 2003, Michael E. Smoot .
 *  All rights reverved.
 * 
 *  See the file COPYING in the top directory of this distribution for
 *  more information.
 *  
 *  THE SOFTWARE IS PROVIDED _AS IS_, WITHOUT WARRANTY OF ANY KIND, EXPRESS 
 *  OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 
 *  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 
 *  THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 
 *  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 
 *  FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER 
 *  DEALINGS IN THE SOFTWARE.  
 *  
 *****************************************************************************/ 


#ifndef TCLAP_ARG_EXCEPTION_H
#define TCLAP_ARG_EXCEPTION_H

#include <string>
#include <exception>

namespace TCLAP {

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." )) 
                { }

};

class ExitException {
public:
        ExitException(int estat) : _estat(estat) {}

        int getExitStatus() const { return _estat; }

private:
        int _estat;
};

} // namespace TCLAP

#endif