Determine which converter to use based on this convertible's extension.
Returns the Converter instance.
# File lib/jekyll/convertible.rb, line 64 def converter @converter ||= self.site.converters.find { |c| c.matches(self.ext) } end
Add any necessary layouts to this convertible document.
payload - The site payload Hash. layouts - A Hash of {"name" => "layout"}.
Returns nothing.
# File lib/jekyll/convertible.rb, line 117 def do_layout(payload, layouts) info = { :filters => [Jekyll::Filters], :registers => { :site => self.site, :page => payload['page'] } } # render and transform content (this becomes the final content of the object) payload["pygments_prefix"] = converter.pygments_prefix payload["pygments_suffix"] = converter.pygments_suffix self.content = self.render_liquid(self.content, payload.merge({:file => self.name}), info) self.transform # output keeps track of what will finally be written self.output = self.content self.render_all_layouts(layouts, payload, info) end
Determine the extension depending on content_type.
Returns the String extension for the output file.
e.g. ".html" for an HTML output file.
# File lib/jekyll/convertible.rb, line 56 def output_ext converter.output_ext(self.ext) end
Read the YAML frontmatter.
base - The String path to the dir containing the file. name - The String filename of the file.
Returns nothing.
# File lib/jekyll/convertible.rb, line 28 def read_yaml(base, name) begin self.content = File.read(File.join(base, name)) if self.content =~ /\A(---\s*\n.*?\n?)^(---\s*$\n?)/ self.content = $POSTMATCH self.data = YAML.safe_load($1) end rescue SyntaxError => e puts "YAML Exception reading #{File.join(base, name)}: #{e.message}" rescue Exception => e puts "Error reading file #{File.join(base, name)}: #{e.message}" end self.data ||= {} end
Recursively render layouts
layouts - a list of the layouts payload - the payload for Liquid info - the info for Liquid
Returns nothing
# File lib/jekyll/convertible.rb, line 89 def render_all_layouts(layouts, payload, info) # recursively render layouts layout = layouts[self.data["layout"]] used = Set.new([layout]) while layout payload = payload.deep_merge({"content" => self.output, "page" => layout.data}) self.output = self.render_liquid(layout.content, payload.merge({:file => layout.name}), info) if layout = layouts[layout.data["layout"]] if used.include?(layout) layout = nil # avoid recursive chain else used << layout end end end end
Render Liquid in the content
content - the raw Liquid content to render payload - the payload for Liquid info - the info for Liquid
Returns the converted content
# File lib/jekyll/convertible.rb, line 75 def render_liquid(content, payload, info) Liquid::Template.parse(content).render!(payload, info) rescue Exception => e Jekyll.logger.error "Liquid Exception:", "#{e.message} in #{payload[:file]}" raise e end
Returns the contents as a String.
# File lib/jekyll/convertible.rb, line 18 def to_s self.content || '' end
Transform the contents based on the content type.
Returns nothing.
# File lib/jekyll/convertible.rb, line 48 def transform self.content = converter.convert(self.content) end
Write the generated page file to the destination directory.
dest - The String path to the destination dir.
Returns nothing.
# File lib/jekyll/convertible.rb, line 140 def write(dest) path = destination(dest) FileUtils.mkdir_p(File.dirname(path)) File.open(path, 'w') do |f| f.write(self.output) end end
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