Handle Z39.50 Options better

[metaproxy-moved-to-github.git] / src / filter.hpp

diff --git a/src/filter.hpp b/src/filter.hpp
index 4632a3b..8f053b5 100644 (file)
--- a/src/filter.hpp
+++ b/src/filter.hpp
@@ -1,43 +1,49 @@
+/* $Id: filter.hpp,v 1.6 2005-10-24 09:53:06 adam Exp $
+   Copyright (c) 2005, Index Data.
+
+%LICENSE%
+ */
 
 #ifndef FILTER_HPP
 #define FILTER_HPP
 
 #include <stdexcept>
+#include <libxml/tree.h>
 
 namespace yp2 {
 
     class Package;
-    
-    class Filter {
-    public:
-        virtual ~Filter(){};
 
-        ///sends Package off to next Filter, returns altered Package
-        virtual  Package & process(Package & package) const {
-            return package;
+    namespace filter {
+        class Base {
+        public:
+            virtual ~Base(){};
+            
+            ///sends Package off to next Filter, returns altered Package
+            virtual void process(Package & package) const = 0;
+
+            virtual void configure(const xmlNode * ptr = 0) { } ;
+            
+            /// get function - right val in assignment
+            std::string name() const {
+                return m_name;
+            }
+            
+            /// set function - left val in assignment
+            std::string & name() {
+                return m_name;
+            }
+            
+            /// set function - can be chained
+            Base & name(const std::string & name){
+                m_name = name;
+                return *this;
+            }
+            
+        private:
+            std::string m_name;
         };
-        virtual  void configure(){};
-
-        /// get function - right val in assignment
-        std::string name() const {
-            return m_name;
-        }
-
-        /// set function - left val in assignment
-        std::string & name() {
-            return m_name;
-        }
-
-        /// set function - can be chained
-        Filter & name(const std::string & name){
-            m_name = name;
-            return *this;
-        }
-        
-    private:
-        std::string m_name;
-    };
-    
+    }
     
     class FilterException : public std::runtime_error {
     public:
@@ -54,6 +60,7 @@ namespace yp2 {
  * Local variables:
  * c-basic-offset: 4
  * indent-tabs-mode: nil
+ * c-file-style: "stroustrup"
  * End:
  * vim: shiftwidth=4 tabstop=8 expandtab
  */