lib/openwfe/utils.rb in openwferu-0.9.3 vs lib/openwfe/utils.rb in openwferu-0.9.4

@@ -209,8 +209,72 @@
 
         def duration
             return (Time.now.to_f - @start) * 1000
         end
     end
+
+    #
+    # This method is used within the InFlowWorkItem and the CsvTable classes.
+    #
+    def OpenWFE.lookup_attribute (container, key)
+
+        key, rest = pop_key(key)
+        value = container[key]
+
+        return value unless rest
+
+        return nil unless value
+
+        return lookup_attribute(value, rest)
+    end
+
+    #
+    # This method is used within the InFlowWorkItem and the CsvTable classes.
+    #
+    def OpenWFE.has_attribute? (container, key)
+
+        key, rest = pop_key(key)
+
+        if not rest
+
+            return container.has_key?(key) \
+                if container.respond_to?(:has_key?)
+
+            return false
+        end
+
+        return has_attribute?(rest, key)
+    end
+
+    #
+    # This method is used within the InFlowWorkItem and the CsvTable classes.
+    #
+    def OpenWFE.set_attribute (container, key, value)
+
+        i = key.rindex(".")
+
+        if not i
+            container[key] = value
+            return
+        end
+
+        container = lookup_attribute(container, key[0..i-1])
+        container[key[i+1..-1]] = value
+    end
+
+    protected
+
+        def pop_key (key)
+            i = key.index(".")
+            return narrow(key), nil unless i
+            return narrow(key[0..i-1]), key[i+1..-1]
+        end
+
+        def narrow (key)
+            return 0 if key == "0"
+            i = key.to_i
+            return i if i != 0
+            return key
+        end
     
 end