lib/csl/treelike.rb in csl-1.0.0.pre21 vs lib/csl/treelike.rb in csl-1.0.0.pre22

@@ -4,11 +4,11 @@
 
     attr_accessor :parent
     attr_reader :children
     attr_writer :nodename
 
-		protected :parent=
+    protected :parent=
 
     def self.included(base)
       base.extend(ClassMethods)
     end
 
@@ -118,13 +118,13 @@
     def has_children?
       !empty?
     end
 
     # @return [Boolean] true if this node has no child nodes; false otherwise.
-		def empty?
-			children.empty?
-		end
+    def empty?
+      children.empty?
+    end
 
     # Unlinks the node and all its children from its parent node. Returns
     # the old parent node or nil.
     def unlink
       return nil if root?
@@ -210,14 +210,14 @@
       parent.nil?
     end
 
 
     # Add memoized methods. When processing citations, styles will
-		# typically remain stable; therefore cite processors may opt
-		# to use memoized versions of the following methods. These
-		# versions are marked with an exclamation mark as a reminder
-		# that the return values are cached and potentially outdated.
+    # typically remain stable; therefore cite processors may opt
+    # to use memoized versions of the following methods. These
+    # versions are marked with an exclamation mark as a reminder
+    # that the return values are cached and potentially outdated.
     %w{ ancestors descendants siblings root depth }.each do |name|
       ivar = "@#{name}"
       define_method("#{name}!") do
         instance_variable_get(ivar) || send(name)
       end
@@ -259,21 +259,21 @@
         else
           []
         end
       end
 
-			def constantize_nodename(name)
-			  return constantize(name) if respond_to?(:constantize)
+      def constantize_nodename(name)
+        return constantize(name) if respond_to?(:constantize)
 
         klass = name.to_s.capitalize.gsub(/(\w)-(\w)/) { [$1, $2.upcase].join }
 
-				if const_defined?(klass)
-				  const_get(klass)
-				else
-					nil
-				end
-			end
+        if const_defined?(klass)
+          const_get(klass)
+        else
+          nil
+        end
+      end
 
 
       private
 
       def attr_child_names_for(name)
@@ -313,12 +313,12 @@
                 klass = self.class.constantize_nodename(name)
 
                 if klass
                   value = klass.new(value)
                 else
-                	# try to force convert value
-                	value = (value.is_a?(String) ? TextNode : Node).new(value)
-                	value.nodename = name.to_s
+                  # try to force convert value
+                  value = (value.is_a?(String) ? TextNode : Node).new(value)
+                  value.nodename = name.to_s
                 end
 
               rescue => e
                 raise ArgumentError, "failed to convert #{value.inspect} to node: #{e.message}"
               end unless value.respond_to?(:nodename)
\ No newline at end of file