lib/less/tree.rb in cloudhead-less-0.8.4 vs lib/less/tree.rb in cloudhead-less-0.8.6

@@ -22,11 +22,11 @@
     def find what = :var, path = []
       path.inject(self) do |branch, k|        
         if what == :var && k == path.last
           branch[:variables][ k ]
         else
-          branch = branch[ k ]
+          branch = branch[ k ] or raise PathError, path.join(' > ')
         end
       end
     end
     
     #
@@ -54,11 +54,11 @@
         if value.is_a? Hash and key != :variables      # If the node is a branch, we can go deeper
           path << key                                  # Add the current branch to the path
           self[ key ] = value.to_tree.                 # Make sure any change is saved to the main tree
                         traverse by, path, &blk        # Recurse, with the current node becoming `self`                       
           yield path, self[ key ] if by == :branch     # The node is a branch, yield it to the block
-          path.pop                                     # We're returning from a branch, pop the last element
+          path.pop                                     # We're returning from a branch, pop the last path element
         elsif by == :leaf and key.is_a? String
           yield key, value, path, self                 # The node is a leaf, yield it to the block
         else
           next
         end
@@ -67,15 +67,15 @@
     end
     
     #
     # Convert the tree to css, using full paths
     #
-    def to_css css = []
+    def to_css chain = :desc, css = []
       self.traverse :branch do |path, node|
         properties = node.inject("") do |s, (k, v)|          
-          v.is_a?(String) ? (s + "#{k}: #{CGI.unescape(v)}; ") : s   # Add the property to the list
+          v.is_a?(String) ? (s + "#{k}: #{CGI.unescape(v)}; ") : s                # Add the property to the list
         end
-        css << path * ' > ' + " { " + properties + "}"               # Add the rule-set to the CSS
+        css << path * ( chain == :desc ? ' ' : ' > ') + " { " + properties + "}"  # Add the rule-set to the CSS
       end
       css.join "\n"
     end
   end
 end
\ No newline at end of file