Module: Muddle::Filter::BoilerplateStyleElement

Extended by:
Muddle::Filter
Defined in:
lib/muddle/filter/boilerplate_style_element.rb

Class Method Summary collapse

Methods included from Muddle::Filter

append_or_insert, find_or_append, find_or_prepend, prepend_or_insert

Class Method Details

.boilerplate_css ⇒ Object 



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# File 'lib/muddle/filter/boilerplate_style_element.rb', line 28

def self.boilerplate_css
  @boilerplate_css ||= File.read(File.join(File.dirname(__FILE__), '..', 'resources', 'boilerplate_style.css'))
end

.filter(body_string) ⇒ Object 



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# File 'lib/muddle/filter/boilerplate_style_element.rb', line 6

def self.filter(body_string)
  doc = Hpricot(body_string)

  insert_style_block(doc)

  doc.to_html
end

.insert_style_block(doc) ⇒ Object 



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# File 'lib/muddle/filter/boilerplate_style_element.rb', line 14

def self.insert_style_block(doc)
  find_or_append(doc, 'html', :with => '<html></html>') do |html|
    find_or_prepend(html.first, 'body', :with => '<body></body>') do |body|
      if node = body.search('style:first-of-type()').first
        node.before('<style type="text/css"></style>')
      else
        append_or_insert(body.first, '<style type="text/css"></style>')
      end

      body.search('style:first-of-type()').inner_html(boilerplate_css)
    end
  end
end