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Versions: 10
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Contents
$:.unshift 'lib'
require 'microformat'
class XFN < Microformat
class Link < OpenStruct
def initialize(*args)
super
def relation.has?(value)
is_a?(Array) ? include?(value) : self == value
end
end
def to_html
%[<a href="#{link}" rel="#{Array(relation) * ' '}">#{name}</a>]
end
def to_s
link
end
end
attr_accessor :links
def self.find_occurences(doc)
raise NotImplementedError, "XFN not supported yet. What's the Nokogiri equivalent of Hpricot::Doc?"
case doc
when Nokogiri::XML::Element then @occurences = XFN.new(doc)
else @occurences
end
end
class << self
alias :find_first :find_occurences
alias :find_every :find_occurences
end
def initialize(doc)
@links = doc.search("a[@rel]").map do |rl|
relation = rl[:rel].include?(' ') ? rl[:rel].split(' ') : rl[:rel]
Link.new(:name => rl.inner_html, :link => rl[:href], :relation => relation)
end
end
def relations
@relations ||= @links.map { |l| l.relation }
end
def [](*rels)
@links.select do |link|
relation = link.relation
relation.respond_to?(:all?) && rels.all? { |rel| relation.include? rel }
end.first_or_self
end
def method_missing(method, *args, &block)
method = method.to_s
if (rels = method.split(/_and_/)).size > 1
self[*rels]
elsif @links.class.public_instance_methods.include? method
@links.send(method, *args, &block)
else
check = args.first == true ? :== : :has?
@links.select { |link| link.relation.send(check, method) }.first_or_self
end
end
end
Version data entries
10 entries across 10 versions & 2 rubygems