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 89

def generate(site)
  asciidoc_converter = JEKYLL_MIN_VERSION_3 ?
      site.find_converter_instance(Jekyll::Converters::AsciiDocConverter) :
      site.getConverterImpl(Jekyll::Converters::AsciiDocConverter)
  asciidoc_converter.setup
  unless (page_attr_prefix = site.config['asciidoc_page_attribute_prefix']).empty?
    page_attr_prefix = %(#{page_attr_prefix}-)
  end
  page_attr_prefix_l = page_attr_prefix.length

  site.pages.each do |page|
    if asciidoc_converter.matches(page.ext)
      next unless (doc = asciidoc_converter.load_header(page.content))

      page.data['title'] = doc.doctitle if doc.header?
      page.data['author'] = doc.author if doc.author

      unless (additional_page_data = SafeYAML.load(doc.attributes
          .select {|name| name.start_with?(page_attr_prefix) }
          .map {|name, val| %(#{name[page_attr_prefix_l..-1]}: #{val}) }
          .join("\n"))).empty?
        page.data.update(additional_page_data)
      end

      page.data['layout'] = 'default' unless page.data.key? 'layout'
    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)
      next unless (doc = asciidoc_converter.load_header(post.content))

      post.data['title'] = doc.doctitle if doc.header?
      post.data['author'] = doc.author if doc.author
      post.data['date'] = DateTime.parse(doc.revdate).to_time if doc.attr? 'revdate'

      unless (additional_page_data = SafeYAML.load(doc.attributes
          .select {|name| name.start_with?(page_attr_prefix) }
          .map {|name, val| %(#{name[page_attr_prefix_l..-1]}: #{val}) }
          .join("\n"))).empty?
        post.data.update(additional_page_data)
      end

      post.data['layout'] = 'post' unless post.data.key? 'layout'
    end
  end
end