brandonmwest/prettyprint.rb

## prettyprint.rb
require 'rubygems'
require 'json'
require 'nokogiri'
require 'nokogiri-pretty'
require 'fileutils'

module Jekyll
  module PrettyPrintFilter
    def pretty_print(input)
      #seeing some ASCII-8 come in
      input = input.encode("UTF-8")

      #Parsing with nokogiri first cleans up some things the XSLT can't handle
      content = Nokogiri::HTML::DocumentFragment.parse input
      parsed_content = content.to_html

      #Unfortunately nokogiri-pretty can't use DocumentFragments...
      html = Nokogiri::HTML parsed_content
      pretty = html.human

      #...so now we need to remove the stuff it added to make valid HTML
      output = PrettyPrintFilter.strip_extra_html(pretty)
      output
    end

    def PrettyPrintFilter.strip_extra_html(html)
      #type declaration
      html = html.sub('<?xml version="1.0" encoding="ISO-8859-1"?>','')

      #second <html> tag
      first = true
      html = html.gsub('<html>') do |match|
        if first = true
          first = false
          next
        else
          ''
        end
      end

      #first </html> tag
      html = html.sub('</html>','')

      #second <head> tag
      first = true
      html = html.gsub('<head>') do |match|
        if first = true
          first = false
          next
        else
          ''
        end
      end

      #first </head> tag
      html = html.sub('</head>','')

      #second <body> tag
      first = true
      html = html.gsub('<body>') do |match|
        if first = true
          first = false
          next
        else
          ''
        end
      end

      #first </body> tag
      html = html.sub('</body>','')

      html
    end
  end
end

Liquid::Template.register_filter(Jekyll::PrettyPrintFilter)
	require 'rubygems'
	require 'json'
	require 'nokogiri'
	require 'nokogiri-pretty'
	require 'fileutils'

	module Jekyll
	module PrettyPrintFilter
	def pretty_print(input)
	#seeing some ASCII-8 come in
	input = input.encode("UTF-8")

	#Parsing with nokogiri first cleans up some things the XSLT can't handle
	content = Nokogiri::HTML::DocumentFragment.parse input
	parsed_content = content.to_html

	#Unfortunately nokogiri-pretty can't use DocumentFragments...
	html = Nokogiri::HTML parsed_content
	pretty = html.human

	#...so now we need to remove the stuff it added to make valid HTML
	output = PrettyPrintFilter.strip_extra_html(pretty)
	output
	end

	def PrettyPrintFilter.strip_extra_html(html)
	#type declaration
	html = html.sub('<?xml version="1.0" encoding="ISO-8859-1"?>','')

	#second <html> tag
	first = true
	html = html.gsub('<html>') do \|match\|
	if first = true
	first = false
	next
	else
	''
	end
	end

	#first </html> tag
	html = html.sub('</html>','')

	#second <head> tag
	first = true
	html = html.gsub('<head>') do \|match\|
	if first = true
	first = false
	next
	else
	''
	end
	end

	#first </head> tag
	html = html.sub('</head>','')

	#second <body> tag
	first = true
	html = html.gsub('<body>') do \|match\|
	if first = true
	first = false
	next
	else
	''
	end
	end

	#first </body> tag
	html = html.sub('</body>','')

	html
	end
	end
	end

	Liquid::Template.register_filter(Jekyll::PrettyPrintFilter)