jekyll/lib/jekyll/convertible.rb

72 lines
2.0 KiB
Ruby

module Jekyll
module Convertible
# Return the contents as a string
def to_s
self.content || ''
end
# Read the YAML frontmatter
# +base+ is the String path to the dir containing the file
# +name+ is the String filename of the file
#
# Returns nothing
def read_yaml(base, name)
self.content = File.read(File.join(base, name))
if self.content =~ /^(---\s*\n.*?)\n---\s*\n/m
self.content = self.content[($1.size + 5)..-1]
self.data = YAML.load($1)
end
end
# Transform the contents based on the file extension.
#
# Returns nothing
def transform
case Jekyll.content_type
when :textile
self.ext = ".html"
self.content = Jekyll.textile(self.content)
when :markdown
self.ext = ".html"
self.content = Jekyll.markdown(self.content)
end
end
def determine_content_type
case self.ext[1..-1]
when /textile/i
return :textile
when /markdown/i, /mkdn/i, /md/i
return :markdown
end
return :unknown
end
# Add any necessary layouts to this convertible document
# +layouts+ is a Hash of {"name" => "layout"}
# +site_payload+ is the site payload hash
#
# Returns nothing
def do_layout(payload, layouts)
# render and transform content (this becomes the final content of the object)
Jekyll.content_type = self.determine_content_type
self.content = Liquid::Template.parse(self.content).render(payload, [Jekyll::Filters])
self.transform
# output keeps track of what will finally be written
self.output = self.content
# recursively render layouts
layout = layouts[self.data["layout"]]
while layout
payload = payload.deep_merge({"content" => self.output, "page" => layout.data})
self.output = Liquid::Template.parse(layout.content).render(payload, [Jekyll::Filters])
layout = layouts[layout.data["layout"]]
end
end
end
end