lib/bulldog/processor/base.rb in bulldog-0.0.8 vs lib/bulldog/processor/base.rb in bulldog-0.0.9

@@ -1,11 +1,10 @@
 module Bulldog
   module Processor
     class Base
-      def initialize(attachment, styles, input_file)
+      def initialize(attachment, input_file)
         @attachment = attachment
-        @styles = styles
         @input_file = input_file
       end
 
       #
       # The attachment object being processed.
@@ -59,19 +58,25 @@
       # each style.
       #
       # #style will be set to the current style each time the block is
       # called.
       #
-      def process(&block)
-        return if styles.empty?
+      # Return true if any styles were processed, false otherwise.
+      # Subclasses can use this to determine if any processing
+      # commands need to be run.
+      #
+      def process(styles, options={}, &block)
+        @styles = styles
+        return false if styles.empty?
         styles.each do |style|
           @style = style
           begin
             process_style(&block)
           ensure
             @style = nil
           end
         end
+        true
       end
 
       #
       # The current style being processed.
       #