Contents

# encoding: UTF-8

require 'kramdown'

module Spontaneous
  module FieldTypes
    class MarkdownField < Field
      def outputs
        [:html]
      end

      def generate_html(input)
        input.to_html
      end

      def preprocess(input)
        # convert lines ending with newlines into a <br/>
        # as official Markdown syntax isn't suitable for
        # casual users
        # code taken from:
        # http://github.github.com/github-flavored-markdown/
        output = input.gsub(/^[\w\<][^\n]*\n+/) do |x|
          x =~ /\n{2}/ ? x : (x.strip!; x << "  \n")
        end

        # prevent foo_bar_baz from ending up with an italic word in the middle
        output.gsub!(/(^(?! {4}|\t)\w+_\w+_\w[\w_]*)/) do |x|
          x.gsub('_', '\_') if x.split('').sort.to_s[0..1] == '__'
        end
        Kramdown::Document.new(output)
      end
    end

    MarkdownField.register(:markdown, :text, :richtext)
  end
end

Version data entries

1 entries across 1 versions & 1 rubygems

Version	Path
spontaneous-0.1.0.alpha1	lib/spontaneous/field_types/markdown_field.rb