clean up ruby code

1 files changed, 45 insertions, 47 deletions

diff --git a/_plugins/toc.rb b/_plugins/toc.rb
index 80acc82..09ef946 100644
--- a/_plugins/toc.rb
+++ b/_plugins/toc.rb
@@ -1,64 +1,62 @@
 require 'nokogiri'
 
-module Jekyll
-	class TOC < Liquid::Tag
-		def render context
-			# load HTML into nokogiri
-			html = context.registers[:page]['content']
-			doc = Nokogiri::HTML(html)
-
-			# enumerate over all h1-4 headings
-			@els = doc.css("h1, h2, h3, h4")
-			toc = output_toc()
-			return '' if toc.empty?
-			return '<aside id="toc" class="plainlink">%s</aside>' % [ toc ]
-		end
-
-		def output_toc
-			# empty toc (this check prevents crash)
-			return "" if @els.length == 0
+class TOC < Liquid::Tag
+	def render context
+		# load HTML into nokogiri
+		html = context.registers[:page]['content']
+		doc = Nokogiri::HTML(html)
+
+		# enumerate over all h1-4 headings
+		@els = doc.css("h1, h2, h3, h4")
+		toc = output_toc()
+		return '' if toc.empty?
+		return '<aside id="toc" class="plainlink">%s</aside>' % [ toc ]
+	end
 
-			output = '<ul>'
+	def output_toc
+		# empty toc (this check prevents crash)
+		return "" if @els.length == 0
 
-			current_level = el_level(@els[0])
+		output = '<ul>'
 
-			while @els.length > 0
-				el = @els[0]
-				el_next = @els[1]
-				level = el_level(el)
-				level_next = el_level(el_next || el) # || el to prevent crash on end of list
+		current_level = el_level(@els[0])
 
-				if level >= level_next
-					output += '<li>'
-				else
-					output += '<li class="stub"><details>'
-					output += '<summary>'
-				end
+		while @els.length > 0
+			el = @els[0]
+			el_next = @els[1]
+			level = el_level(el)
+			level_next = el_level(el_next || el) # || el to prevent crash on end of list
 
-				output += '<a href="#%s">%s</a>' % [ el['id'], el.inner_html ]
-				@els.shift()
+			if level >= level_next
+				output += '<li>'
+			else
+				output += '<li class="stub"><details>'
+				output += '<summary>'
+			end
 
-				if level >= level_next
-					output += '</li>'
-				else
-					output += '</summary>'
-					output += output_toc
-					output += '</details></li>'
-				end
+			output += '<a href="#%s">%s</a>' % [ el['id'], el.inner_html ]
+			@els.shift()
 
-				break if level_next < level
+			if level >= level_next
+				output += '</li>'
+			else
+				output += '</summary>'
+				output += output_toc
+				output += '</details></li>'
 			end
 
-			output += '</ul>'
-
-			return output
+			break if level_next < level
 		end
 
-		def el_level el
-			return Integer(el.name[1..])
-		end
+		output += '</ul>'
+
+		return output
+	end
+
+	def el_level el
+		return Integer(el.name[1..])
 	end
 end
 
-Liquid::Template.register_tag('toc', Jekyll::TOC)
+Liquid::Template.register_tag('toc', TOC)