1 files changed, 53 insertions, 0 deletions
diff --git a/tclap-1.2.1/include/tclap/Visitor.h b/tclap-1.2.1/include/tclap/Visitor.h
new file mode 100644
index 0000000..38ddcbd
--- /dev/null
+++ b/tclap-1.2.1/include/tclap/Visitor.h
@@ -0,0 +1,53 @@
+
+/****************************************************************************** 
+ * 
+ *  file:  Visitor.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_VISITOR_H
+#define TCLAP_VISITOR_H
+
+namespace TCLAP {
+
+/**
+ * A base class that defines the interface for visitors.
+ */
+class Visitor
+{
+	public:
+
+		/**
+		 * Constructor. Does nothing.
+		 */
+		Visitor() { }
+
+		/**
+		 * Destructor. Does nothing.
+		 */
+		virtual ~Visitor() { }
+
+		/**
+		 * Does nothing. Should be overridden by child.
+		 */
+		virtual void visit() { }
+};
+
+}
+
+#endif