Class: Bunto::Converters::Markdown::RedcarpetParser

Inherits:
Object
  • Object
show all
Defined in:
lib/bunto/converters/markdown/redcarpet_parser.rb

Defined Under Namespace

Modules: CommonMethods, WithPygments, WithRouge, WithoutHighlighting

Instance Method Summary collapse

Constructor Details

#initialize(config) ⇒ RedcarpetParser

Returns a new instance of RedcarpetParser.



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# File 'lib/bunto/converters/markdown/redcarpet_parser.rb', line 62

def initialize(config)
  Bunto::External.require_with_graceful_fail("redcarpet")
  @config = config
  @redcarpet_extensions = {}
  @config["redcarpet"]["extensions"].each do |e|
    @redcarpet_extensions[e.to_sym] = true
  end

  @renderer ||= class_with_proper_highlighter(@config["highlighter"])
end

Instance Method Details

#class_with_proper_highlighter(highlighter) ⇒ Object 



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# File 'lib/bunto/converters/markdown/redcarpet_parser.rb', line 73

def class_with_proper_highlighter(highlighter)
  Class.new(Redcarpet::Render::HTML) do
    case highlighter
    when "pygments"
      include WithPygments
    when "rouge"
      Bunto::External.require_with_graceful_fail(%w(
        rouge rouge/plugins/redcarpet
      ))

      unless Gem::Version.new(Rouge.version) > Gem::Version.new("1.3.0")
        abort "Please install Rouge 1.3.0 or greater and try running Bunto again."
      end

      include Rouge::Plugins::Redcarpet
      include CommonMethods
      include WithRouge
    else
      include WithoutHighlighting
    end
  end
end

#convert(content) ⇒ Object 



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# File 'lib/bunto/converters/markdown/redcarpet_parser.rb', line 96

def convert(content)
  @redcarpet_extensions[:fenced_code_blocks] = \
    !@redcarpet_extensions[:no_fenced_code_blocks]
  if @redcarpet_extensions[:smart]
    @renderer.send :include, Redcarpet::Render::SmartyPants
  end
  markdown = Redcarpet::Markdown.new(
    @renderer.new(@redcarpet_extensions),
    @redcarpet_extensions
  )
  markdown.render(content)
end