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

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