modified Geocoder class to have some more intuitive methods

lib/geocoder/results/google.rb

@@ -29,7 +29,7 @@ def city
       return nil # no appropriate components found
     end
 
-    def state
+    def state_name
       if state = address_components_of_type(:administrative_area_level_1).first
         state['long_name']
       end
@@ -40,12 +40,20 @@ def state_code
         state['short_name']
       end
     end
+
+    def state
+      state_code
+    end
 
     def sub_state
       if state = address_components_of_type(:administrative_area_level_2).first
         state['long_name']
       end
     end
+
+    def county
+      sub_state.gsub(" County")
+    end
 
     def sub_state_code
       if state = address_components_of_type(:administrative_area_level_2).first
@@ -70,6 +78,10 @@ def postal_code
         postal['long_name']
       end
     end
+
+    def zip
+      postal_code
+    end
 
     def route
       if route = address_components_of_type(:route).first
@@ -120,5 +132,20 @@ def geometry
     def precision
       geometry['location_type'] if geometry
     end
+
+    def partial_match
+      @data['partial_match']
+    end
+
+    def place_id
+      @data['place_id']
+    end  
+
+    def viewport
+      viewport = geometry['viewport'] || fail
+      south, west = %w(lat lng).map { |c| viewport['southwest'][c] }
+      north, east = %w(lat lng).map { |c| viewport['northeast'][c] }
+      [south, west, north, east]
+    end
   end
 end