Module: Jekyll::Convertible

Included in:
Layout, Page, Post
Defined in:
lib/jekyll/convertible.rb

Instance Method Summary collapse

Instance Method Details

#converter ⇒ Object

Determine which converter to use based on this convertible’s extension



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# File 'lib/jekyll/convertible.rb', line 55

def converter
  @converter ||= self.site.converters.find { |c| c.matches(self.ext) }
end

#do_layout(payload, layouts) ⇒ Object

Add any necessary layouts to this convertible document

+layouts+ is a Hash of {"name" => "layout"}
+site_payload+ is the site payload hash

Returns nothing



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# File 'lib/jekyll/convertible.rb', line 64

def do_layout(payload, layouts)
  info = { :filters => [Jekyll::Filters], :registers => { :site => self.site } }

  # render and transform content (this becomes the final content of the object)
  payload["pygments_prefix"] = converter.pygments_prefix
  payload["pygments_suffix"] = converter.pygments_suffix
  
  begin
    self.content = Liquid::Template.parse(self.content).render(payload, info)
  rescue => e
    puts "Liquid Exception: #{e.message} in #{self.data["layout"]}"
  end
  
  self.transform

  # output keeps track of what will finally be written
  self.output = self.content

  # recursively render layouts
  layout = layouts[self.data["layout"]]
  while layout
    payload = payload.deep_merge({"content" => self.output, "page" => layout.data})

    begin
      content = converter.convert(layout.content)
      self.output = Liquid::Template.parse(content).render(payload, info)
    rescue => e
      puts "Liquid Exception: #{e.message} in #{self.data["layout"]}"
    end

    layout = layouts[layout.data["layout"]]
  end
end

#output_ext ⇒ Object

Determine the extension depending on content_type

Returns the extensions for the output file



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# File 'lib/jekyll/convertible.rb', line 49

def output_ext
  converter.output_ext(self.ext)
end

#read_yaml(base, name) ⇒ Object

Read the YAML frontmatter

+base+ is the String path to the dir containing the file
+name+ is the String filename of the file

Returns nothing



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# File 'lib/jekyll/convertible.rb', line 23

def read_yaml(base, name)
  self.content = File.read(File.join(base, name))

  if self.content =~ /^(---\s*\n.*?\n?)^(---\s*$\n?)/m
    self.content = self.content[($1.size + $2.size)..-1]

    begin
      self.data = YAML.load($1)
    rescue => e
      puts "YAML Exception: #{e.message}"
    end
  end

  self.data ||= {}
end

#to_s ⇒ Object

Return the contents as a string



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# File 'lib/jekyll/convertible.rb', line 14

def to_s
  self.content || ''
end

#transform ⇒ Object

Transform the contents based on the content type.

Returns nothing



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# File 'lib/jekyll/convertible.rb', line 42

def transform
  self.content = converter.convert(self.content)
end