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added type description

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This commit is contained in:
mes5k 2004-10-01 17:54:00 +00:00
parent 8dc142e24f
commit 2a98aad894
1 changed files with 41 additions and 5 deletions
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46
include/tclap/ArgException.h
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@ -43,8 +43,13 @@ class ArgException : public std::exception
* of the exception. * of the exception.
*/ */
ArgException( const std::string& text = "undefined exception", ArgException( const std::string& text = "undefined exception",
const std::string& id = "undefined" ) const std::string& id = "undefined",
: std::exception(), _errorText(text), _argId( id ) { } const std::string& td = "Generic ArgException")
: std::exception(),
_errorText(text),
_argId( id ),
_typeDescription(td)
{ }
/** /**
* Destructor. * Destructor.
@ -76,6 +81,16 @@ class ArgException : public std::exception
return ex.c_str(); return ex.c_str();
} }
/**
* Returns the type of the exception. Used to explain and distinguish
* between different child exceptions.
*/
std::string typeDescription() const
{
return _typeDescription;
}
private: private:
/** /**
@ -88,6 +103,12 @@ class ArgException : public std::exception
*/ */
std::string _argId; std::string _argId;
/**
* Describes the type of the exception. Used to distinguish
* between different child exceptions.
*/
std::string _typeDescription;
}; };
/** /**
@ -105,7 +126,11 @@ class ArgParseException : public ArgException
*/ */
ArgParseException( const std::string& text = "undefined exception", ArgParseException( const std::string& text = "undefined exception",
const std::string& id = "undefined" ) const std::string& id = "undefined" )
: ArgException( text, id ) { } : ArgException( text,
id,
std::string( "Exception found while parsing " ) +
std::string( "the value the Arg has been passed." ))
{ }
}; };
/** /**
@ -123,7 +148,13 @@ class CmdLineParseException : public ArgException
*/ */
CmdLineParseException( const std::string& text = "undefined exception", CmdLineParseException( const std::string& text = "undefined exception",
const std::string& id = "undefined" ) const std::string& id = "undefined" )
: ArgException( text, id ) { } : 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." ))
{ }
}; };
/** /**
@ -141,7 +172,12 @@ class SpecificationException : public ArgException
*/ */
SpecificationException( const std::string& text = "undefined exception", SpecificationException( const std::string& text = "undefined exception",
const std::string& id = "undefined" ) const std::string& id = "undefined" )
: ArgException( text, id ) { } : ArgException( text,
id,
std::string("Exception found when an Arg object ")+
std::string("is improperly defined by the ") +
std::string("developer." ))
{ }
}; };