Class: Jekyll::Generators::AsciiDocPreprocessor

Inherits:
Generator
  • Object
show all
Defined in:
lib/jekyll-asciidoc.rb

Overview

Promotes select AsciiDoc attributes to Jekyll front matter

Instance Method Summary collapse

Instance Method Details

#generate(site) ⇒ Object 



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# File 'lib/jekyll-asciidoc.rb', line 85

def generate(site)
  asciidoc_converter = JEKYLL_MIN_VERSION_3 ?
      site.find_converter_instance(Jekyll::Converters::AsciiDocConverter) :
      site.getConverterImpl(Jekyll::Converters::AsciiDocConverter)
  asciidoc_converter.setup
  key_prefix = (site.config['asciidoc_key_prefix'] || 'jekyll-')
  key_prefix_len = key_prefix.length
  site.pages.each do |page|
    if asciidoc_converter.matches(page.ext)
      doc = asciidoc_converter.load(page.content)
      next if doc.nil?

      page.data['title'] ||= doc.doctitle
      page.data['author'] = doc.author unless doc.author.nil?

      doc.attributes.each do |key, val|
        if key.start_with?(key_prefix)
          page.data[key[key_prefix_len..-1]] ||= val
        end
      end

      unless page.data.has_key? 'layout'
        if doc.attr? 'page-layout'
          page.data['layout'] ||= doc.attr 'page-layout'
        else
          page.data['layout'] ||= 'default'
        end
      end
    end
  end
  (JEKYLL_MIN_VERSION_3 ? site.posts.docs : site.posts).each do |post|
    if asciidoc_converter.matches(JEKYLL_MIN_VERSION_3 ? post.data['ext'] : post.ext)
      doc = asciidoc_converter.load(post.content)
      next if doc.nil?

      post.data['title'] ||= doc.doctitle
      post.data['author'] = doc.author unless doc.author.nil?
      # TODO carry over date
      # setting categories doesn't work here, we lose the post
      #post.data['categories'] ||= (doc.attr 'categories') if (doc.attr? 'categories')

      doc.attributes.each do |key, val|
        if key.start_with?(key_prefix)
          post.data[key[key_prefix_len..-1]] ||= val
        end
      end

      unless post.data.has_key? 'layout'
        if doc.attr? 'page-layout'
          post.data['layout'] ||= doc.attr 'page-layout'
        else
          post.data['layout'] ||= 'post'
        end
      end
    end
  end
end