new update

src/Arg.cpp

@@ -24,6 +24,8 @@
 
 namespace TCLAP {
 
+bool Arg::_ignoreRest = false;
+
 Arg::Arg( const string& flag, 
 		 const string& name, 
 		 const string& desc, 
@@ -36,12 +38,12 @@ Arg::Arg( const string& flag,
   _required(req),
   _valueRequired(valreq),
   _alreadySet(false),
+  _ignoreable(true),
   _visitor( v )
 { 
-	if ( _flag == "" )
+	if ( _flag.length() > 1 ) 
-		_labeled = false;
+		throw(ArgException("Argument flag can only be one character long",
-	else
+							toString() ) );
-		_labeled = true;
 };
 
 Arg::Arg()
@@ -50,8 +52,7 @@ Arg::Arg()
   _flag(""),
   _required(false),
   _valueRequired(false),
-  _alreadySet(false),
+  _alreadySet(false)
-  _labeled(false)
 { };
 
 Arg::Arg(const Arg& a)
@@ -60,8 +61,7 @@ Arg::Arg(const Arg& a)
   _flag(a._flag),
   _required(a._required),
   _valueRequired(a._valueRequired),
-  _alreadySet(a._alreadySet),
+  _alreadySet(a._alreadySet)
-  _labeled(a._labeled)
 { };
 
 Arg::~Arg() { };
@@ -76,62 +76,81 @@ Arg& Arg::operator=(const Arg& a)
 		_required = a._required;
 		_valueRequired = a._valueRequired;
 		_alreadySet = a._alreadySet;
-		_labeled = a._labeled;
 	} 
 	return *this;
 };
 
-/*
+string Arg::shortID( const string& valueId ) const
-bool Arg::operator<(const Arg& a) const
 {
-	if ( _required && !a._required )
+	string id = "";
-		return false;
 
-	if ( !_required && a._required )
+	id = "-" + _flag;
-		return true;
 	
-	if ( _labeled && !a._labeled )
+	if ( _valueRequired )
-		return false;
+		id += " <" + valueId  + ">";
 
-	if ( !_labeled && a._labeled )
+	if ( !_required )
-		return true;
+		id = "[" + id + "]";
+
+	return id;
+}
+
+string Arg::longID( const string& valueId ) const
+{
+	string id = "";
+
+	id = "-" + _flag;
+
+	if ( _valueRequired )
+		id += " <" + valueId + ">";
+
+
+	id += ",  --" + _name;
+
+	if ( _valueRequired )
+		id += " <" + valueId + ">";
+			
+	return id;
 
-	return false;
 }
-*/
 
 bool Arg::operator==(const Arg& a)
 {
-	if ( _labeled )
+	if ( _flag == a._flag || 
-	{
+		 _name == a._name || 
-		if ( _flag == a._flag || _name == a._name )
+		 _description == a._description )
 		return true;
 	else
 		return false;
-	}
-	else
-	{
-		if ( _name == a._name || _description == a._description )
-			return true;
-		else
-			return false;
-	}
 }
 
 // should be overridden
-bool Arg::processArg(int* i, int argc, char** argv)
+bool Arg::processArg(int* i, vector<string>& args )
 {
-	cerr << "WARNING:   Ignoring unknown argument: " << argv[*i] << endl;	
+	cerr << "WARNING:   Ignoring unknown argument: " << args[*i] << endl;	
 	return false;
 }
 
 const string& Arg::getName() const { return _name; } ;
-const string& Arg::getDescription() const { return _description; };
+
+string Arg::getDescription() const 
+{
+	string desc = "";
+	if ( _required )
+		desc = "(required)  ";
+
+	if ( _valueRequired )
+		desc += "(value required)  ";
+
+	desc += _description;
+	return desc; 
+};
+
 const string& Arg::getFlag() const { return _flag; };
 bool Arg::isRequired() const { return _required; }
 bool Arg::isValueRequired() const { return _valueRequired; }
 bool Arg::isAlreadySet() const { return _alreadySet; }
-bool Arg::isLabeled() const { return _labeled; }
+bool Arg::isIgnoreable() const { return _ignoreable; }
 
 bool Arg::argMatches( const string& argFlag ) const
 {

src/CmdLine.cpp

@@ -28,18 +28,22 @@ CmdLine::CmdLine(char *progName, const string& m, const string& v )
 : _progName(progName),
   _message(m),
   _version(v),
-  _numRequired(0),
+  _numRequired(0)
-  _maxLength(0)
 { 
 	SwitchArg* help = new SwitchArg("h","help",
-					                "displays usage information and exits",
+					                "Displays usage information and exits.",
 									false, new HelpVisitor( this ) );
 	add( *help );
 
 	SwitchArg* vers = new SwitchArg("v","version", 
-					                "displays version information and exits",
+					                "Displays version information and exits.",
 									false, new VersionVisitor( this ) );
 	add( *vers );
+
+	SwitchArg* ignore  = new SwitchArg("-","ignore_rest",
+               "Ignores the rest of the labeled arguments following this flag.",
+			   false, new IgnoreRestVisitor() );
+	add( *ignore );
 }
 
 void CmdLine::add( Arg& a ) 
@@ -51,12 +55,11 @@ void CmdLine::add( Arg& a )
 		return;
 	}
 
-	if ( a.isLabeled() )
+	if ( a.getFlag() == "" )
-		_argList.push_front( &a ); 
-	else
 		_argList.push_back( &a );
+	else
+		_argList.push_front( &a );
 
-	_maxLength = max( _maxLength, (int)((a.getName()).length()) );
 	if ( a.isRequired() ) _numRequired++;	
 
 }
@@ -73,45 +76,13 @@ void CmdLine::usage( int exitVal )
 	cout << endl << "USAGE: " << endl << endl << "    " << _progName ;
 
 	for (ArgIterator it = _argList.begin(); it != _argList.end(); it++)
-	{
+		cout << " " << (*it)->shortID();
-
-		cout << " ";
-		if ( !(*it)->isRequired() ) cout << "[";
-		if ( (*it)->isLabeled() )
-			cout << "-" << ((*it))->getFlag(); 
-		if ( (*it)->isValueRequired() ) 
-		{
-			if ( (*it)->isLabeled() ) cout << " ";
-			cout << (*it)->getName();
-		}
-		if ( !(*it)->isRequired() ) cout << "]";
-	}
 
 	cout << endl << endl << "Where: " << endl << endl;
 
 	for (ArgIterator it = _argList.begin(); it != _argList.end(); it++)
-	{
+		cout << "   " << (*it)->longID() << endl << "     " 
-		cout.setf(ios::left);
+			 << (*it)->getDescription() << endl << endl;
-
-		string s; 
-
-		if ( !(*it)->isRequired() ) s += "[";
-		else s += " ";
-
-		if ( (*it)->isLabeled() )
-			s = s + "-" + (*it)->getFlag(); 
-
-		if ( (*it)->isValueRequired() ) 
-		{
-			if ( (*it)->isLabeled() ) s += " ";
-			s += (*it)->getName();
-		}
-			
-		if ( !(*it)->isRequired() ) s += "]";
-
-		cout << "  " << setw(_maxLength + 5) << s.c_str() << "  = " 
-		     << (*it)->getDescription() << endl;
-	}
 
 	cout << endl << endl << _message << endl << endl;
 	exit( exitVal );
@@ -121,14 +92,19 @@ void CmdLine::parse(int argc, char** argv)
 {
 	try {
 
+	// this step is necessary so that we have easy access to mutable strings.
+	vector<string> args;
+  	for (int i = 1; i < argc; i++)
+		args.push_back(argv[i]);
+
 	int requiredCount = 0;
 
-  	for (int i = 1; i < argc; i++)
+  	for (int i = 0; i < args.size(); i++)
 	{
 		bool matched = false;
 		for (ArgIterator it = _argList.begin(); it != _argList.end(); it++)
         {
-			if ( (*it)->processArg( &i, argc, argv ) )
+			if ( (*it)->processArg( &i, args ) )
 			{
 				if ( (*it)->isRequired() ) requiredCount++;	
 				matched = true;
@@ -136,8 +112,8 @@ void CmdLine::parse(int argc, char** argv)
 			}
         }
 
-		if ( !matched )
+		if ( !matched && !Arg::ignoreRest() )
-			throw( ArgException("Couldn't find match for argument",argv[i]));
+			throw( ArgException("Couldn't find match for argument",args[i]));
     }
 
 	if ( requiredCount < _numRequired )

src/SwitchArg.cpp

@@ -40,10 +40,47 @@ SwitchArg::~SwitchArg() { };
 
 bool SwitchArg::getValue() { return _value; };
 
-bool SwitchArg::processArg(int *i, int argc, char** argv)
+bool SwitchArg::combinedSwitchesMatch(string& combinedSwitches )
 {
-	if ( argMatches( argv[*i] ) )
+	// make sure this is actually a combined switch
+	if ( combinedSwitches[0] != '-' )
+		return false;
+
+	// make sure it isn't a long name 
+	if ( combinedSwitches[1] == '-' )
+		return false;
+
+	// ok, we're not specifying a ValueArg, so we know that we have
+	// a combined switch list.  
+	for ( int i = 1; i < combinedSwitches.length(); i++ )
+		if ( combinedSwitches[i] == _flag[0] ) 
 		{
+			// update the combined switches so this one is no longer present
+			// this is necessary so that no unlabeled args are matched
+			// later in the processing.
+			combinedSwitches.erase(i,1);
+			return true;
+		}
+
+	// none of the switches passed in the list match. 
+	return false;	
+}
+
+
+bool SwitchArg::processArg(int *i, vector<string>& args)
+{
+	if ( _ignoreable && Arg::ignoreRest() )
+		return false;
+
+	if ( argMatches( args[*i] ) || combinedSwitchesMatch( args[*i] ) )
+	{
+		// If we match on a combined switch, then we want to return false
+		// so that other switches in the combination will also have a
+		// chance to match.
+		bool ret = false;
+		if ( argMatches( args[*i] ) )
+			ret = true;
+
 		if ( _alreadySet )
 			throw(ArgException("Argument already set!", toString()));	
 
@@ -56,7 +93,7 @@ bool SwitchArg::processArg(int *i, int argc, char** argv)
 
 		_checkWithVisitor();
 
-		return true;
+		return ret;
 	}
 	else
 		return false;