Added TClap command line parsing library

src/tclap/VersionVisitor.h

@@ -0,0 +1,81 @@
+// -*- Mode: c++; c-basic-offset: 4; tab-width: 4; -*-
+
+/****************************************************************************** 
+ * 
+ *  file:  VersionVisitor.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_VERSION_VISITOR_H
+#define TCLAP_VERSION_VISITOR_H
+
+#include "CmdLineInterface.h"
+#include "CmdLineOutput.h"
+#include "Visitor.h"
+
+namespace TCLAP {
+
+/**
+ * A Vistor that will call the version method of the given CmdLineOutput
+ * for the specified CmdLine object and then exit.
+ */
+class VersionVisitor: public Visitor
+{
+	private:
+		/**
+		 * Prevent accidental copying
+		 */
+		VersionVisitor(const VersionVisitor& rhs);
+		VersionVisitor& operator=(const VersionVisitor& rhs);
+
+	protected:
+
+		/**
+		 * The CmdLine of interest.
+		 */
+		CmdLineInterface* _cmd;
+
+		/**
+		 * The output object. 
+		 */
+		CmdLineOutput** _out;
+
+	public:
+
+		/**
+		 * Constructor.
+		 * \param cmd - The CmdLine the output is generated for. 
+		 * \param out - The type of output. 
+		 */
+		VersionVisitor( CmdLineInterface* cmd, CmdLineOutput** out ) 
+				: Visitor(), _cmd( cmd ), _out( out ) { }
+
+		/**
+		 * Calls the version method of the output object using the
+		 * specified CmdLine.
+		 */
+		void visit() { 
+		    (*_out)->version(*_cmd); 
+		    throw ExitException(0); 
+		}
+
+};
+
+}
+
+#endif