abstract_sequence.rb in sass-3.2.0.alpha.75

- old
+ new

@@ -1,11 +1,12 @@
 module Sass
   module Selector
     # The abstract parent class of the various selector sequence classes.
     #
-    # All subclasses should implement a `members` method
-    # that returns an array of object that respond to `#line=` and `#filename=`.
+    # All subclasses should implement a `members` method that returns an array
+    # of object that respond to `#line=` and `#filename=`, as well as a `to_a`
+    # method that returns an array of strings and script nodes.
     class AbstractSequence
       # The line of the Sass template on which this selector was declared.
       #
       # @return [Fixnum]
       attr_reader :line
@@ -61,9 +62,17 @@
       # Whether or not this selector sequence contains a placeholder selector.
       # Checks recursively.
       def has_placeholder?
         @has_placeholder ||=
           members.any? {|m| m.is_a?(AbstractSequence) ? m.has_placeholder? : m.is_a?(Placeholder)}
+      end
+
+      # Converts the selector into a string. This is the standard selector
+      # string, along with any SassScript interpolation that may exist.
+      #
+      # @return [String]
+      def to_s
+        to_a.map {|e| e.is_a?(Sass::Script::Node) ? "\#{#{e.to_sass}}" : e}.join
       end
     end
   end
 end