class Jekyll::Renderer
Attributes
Public Class Methods
# File lib/jekyll/renderer.rb, line 7 def initialize(site, document) @site = site @document = document end
Public Instance Methods
Convert the given content using the converters which match this renderer's document.
content - the raw, unconverted content
Returns the converted content.
# File lib/jekyll/renderer.rb, line 70 def convert(content) converters.reduce(content) do |output, converter| begin converter.convert output rescue => e Jekyll.logger.error "Conversion error:", "#{converter.class} encountered an error while converting '#{document.relative_path}':" Jekyll.logger.error("", e.to_s) raise e end end end
Determine which converters to use based on this document's extension.
Returns an array of Converter instances.
# File lib/jekyll/renderer.rb, line 16 def converters @converters ||= site.converters.select { |c| c.matches(document.extname) } end
Checks if the layout specified in the document actually exists
layout - the layout to check
Returns true if the layout is invalid, false if otherwise
# File lib/jekyll/renderer.rb, line 105 def invalid_layout?(layout) !document.data["layout"].nil? && layout.nil? end
Determine the extname the outputted file should have
Returns the output extname including the leading period.
# File lib/jekyll/renderer.rb, line 23 def output_ext converters.first.output_ext(document.extname) end
Render layouts and place given content inside.
content - the content to be placed in the layout
Returns the content placed in the Liquid-rendered layouts
# File lib/jekyll/renderer.rb, line 115 def place_in_layouts(content, payload, info) output = content.dup layout = site.layouts[document.data["layout"]] Jekyll.logger.warn("Build Warning:", "Layout '#{document.data["layout"]}' requested in #{document.relative_path} does not exist.") if invalid_layout? layout used = Set.new([layout]) while layout payload = Utils.deep_merge_hashes( payload, { "content" => output, "page" => document.to_liquid, "layout" => layout.data } ) output = render_liquid( layout.content, payload, info, File.join(site.config['layouts'], layout.name) ) if layout = site.layouts[layout.data["layout"]] if used.include?(layout) layout = nil # avoid recursive chain else used << layout end end end output end
Render the given content with the payload and info
content - payload - info - path - (optional) the path to the file, for use in ex
Returns the content, rendered by Liquid.
# File lib/jekyll/renderer.rb, line 90 def render_liquid(content, payload, info, path = nil) Liquid::Template.parse(content).render!(payload, info) rescue Tags::IncludeTagError => e Jekyll.logger.error "Liquid Exception:", "#{e.message} in #{e.path}, included in #{path || document.relative_path}" raise e rescue Exception => e Jekyll.logger.error "Liquid Exception:", "#{e.message} in #{path || document.relative_path}" raise e end
DAT RENDER THO
# File lib/jekyll/renderer.rb, line 31 def run payload = Utils.deep_merge_hashes({ "page" => document.to_liquid }, site.site_payload) info = { filters: [Jekyll::Filters], registers: { :site => site, :page => payload['page'] } } # render and transform content (this becomes the final content of the object) payload["highlighter_prefix"] = converters.first.highlighter_prefix payload["highlighter_suffix"] = converters.first.highlighter_suffix output = document.content if document.render_with_liquid? output = render_liquid(output, payload, info) end output = convert(output) document.content = output if document.place_in_layout? place_in_layouts( output, payload, info ) else output end end