cleanup: reformat using ruby conventions (Brian I hear you)

lib/css2less.rb

@@ -17,84 +17,84 @@
 # along with Foobar.  If not, see <http://www.gnu.org/licenses/>.
 
 module Css2Less
-  
+
   require 'enumerator'
-  
+
   class Converter
-
     def initialize(css=nil)
       if not css.nil?
-	@css = css
+        @css = css
       end
       @tree = {}
       @less = ''
     end
-    
+
     def process_less
       cleanup
       if @css.nil?
-	return false
+      return false
       end
       if @css.empty?
-	return false
+      return false
       end
       generate_tree
       render_less
       return true
     end
-    
+
     def get_less
       return @less
     end
-    
+
     def set_css(css)
       @css = css
     end
-    
+
     private
-    
+
     def cleanup
       @tree = {}
       @less = ''
     end
-    
+
     def add_rule(tree, selectors, style)
       return if style.nil? || style.empty?
       if selectors.empty?
-	(tree[:style] ||= ';') << style
+        (tree[:style] ||= ';') << style
       else
-	first, rest = selectors.first, selectors[1..-1]
-	node = (tree[first] ||= {})
-	add_rule(node, rest, style)
+        first, rest = selectors.first, selectors[1..-1]
+        node = (tree[first] ||= {})
+        add_rule(node, rest, style)
       end
     end
-    
+
     def generate_tree
       @css.split("\n").map { |l| l.strip }.join.gsub(/\/\*+[^\*]*\*+\//, '').split(/[\{\}]/).each_slice(2) do |style|
-	rules = style[0].strip
-	if rules.include?(',') # leave multiple rules alone
-	  add_rule(@tree, [rules], style[1])
-	else
-	  add_rule(@tree, rules.split(/\s+/), style[1])
-	end
+        rules = style[0].strip
+        # leave multiple rules alone
+        if rules.include?(',')
+          add_rule(@tree, [rules], style[1])
+        else
+          add_rule(@tree, rules.split(/\s+/), style[1])
+        end
       end
     end
-    
+
     def render_less(tree=nil, indent=0)
       if tree.nil?
-	tree = @tree
+      tree = @tree
       end
       tree.each do |element, children|
-	@less = @less + ' ' * indent + element + " {\n"
-	style = children.delete(:style)
-	if style
-	  @less = @less + style.split(';').map { |s| s.strip }.reject { |s| s.empty? }.map { |s| ' ' * (indent+4) + s + ";" }.join("\n") + "\n"
-	end
-	render_less(children, indent + 4)
-	@less = @less + ' ' * indent + "}\n"
+        @less = @less + ' ' * indent + element + " {\n"
+        style = children.delete(:style)
+        if style
+          @less = @less + style.split(';').map { |s| s.strip }.reject { |s| s.empty? }.map { |s| ' ' * (indent+4) + s + ";" }.join("\n") + "\n"
+        end
+        render_less(children, indent + 4)
+        @less = @less + ' ' * indent + "}\n"
       end
     end
-    
+
   end
-  
+
 end