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Contents
module MetaInspector
module Parsers
class HeadLinksParser < Base
delegate [:parsed, :base_url] => :@main_parser
def head_links
@head_links ||= parsed.css('head link').map do |tag|
Hash[
tag.attributes.keys.map do |key|
keysym = key.to_sym
val = tag.attributes[key].value
val = URL.absolutify(val, base_url) if keysym == :href
[keysym, val]
end
]
end
end
def stylesheets
@stylesheets ||= head_links.select { |hl| hl[:rel] == 'stylesheet' }
end
def canonicals
@canonicals ||= head_links.select { |hl| hl[:rel] == 'canonical' }
end
# Returns the parsed document meta rss link
def feed
@feed ||= (parsed_feed('rss') || parsed_feed('atom'))
end
private
def parsed_feed(format)
feed = parsed.search("//link[@type='application/#{format}+xml']").find{|link| link.attributes["href"] }
feed ? URL.absolutify(feed['href'], base_url) : nil
end
end
end
end
Version data entries
16 entries across 16 versions & 1 rubygems