lib/active_rdf/objectmanager/namespace.rb in activerdf-1.2.2 vs lib/active_rdf/objectmanager/namespace.rb in activerdf-1.2.3

@@ -11,9 +11,33 @@
   def self.register(prefix, fullURI)
 		raise ActiveRdfError, 'prefix nor uri can be empty' if (prefix.to_s.empty? or fullURI.to_s.empty?)
 		$activerdflog.info "Namespace: registering #{fullURI} to #{prefix}"
     @@namespaces[prefix.to_sym] = fullURI.to_s
     @@inverted_namespaces[fullURI.to_s] = prefix.to_sym
+
+    # enable namespace lookups through FOAF::name
+    # if FOAF defined, add to it
+    if Object.const_defined?(prefix.to_s.upcase)
+      ns = Object.const_get(prefix.to_s.upcase)
+    else
+      # otherwise create a new module for it
+      ns = Module.new  
+      Object.const_set(prefix.to_s.upcase, ns)
+    end
+
+    # catch FOAF::name or all other lookups 
+    class << ns
+      def method_missing(method, *args)
+        Namespace.lookup(self.to_s.downcase.to_sym, method)
+      end
+
+      # make some builtin methods private because lookup doesn't work otherwise 
+      # on e.g. RDF::type and FOAF::name
+      [:type, :name].each {|m| private(m) }
+    end
+
+    # return the namespace proxy object
+    ns
   end
 
   # returns a resource whose URI is formed by concatenation of prefix and localname
   def self.lookup(prefix, localname)
     full_resource = expand(prefix, localname)