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Versions: 10
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Stored size: 1.23 KB
Contents
$:.unshift 'lib'
require 'microformat'
class XOXO < Microformat
@@parents = %w[ol ul]
@@children = %w[li]
xpath_build = proc { |element| element.map { |e| "/#{e}" } * ' | ' }
@@children_xpath = xpath_build[@@children]
@@parents_xpath = xpath_build[@@parents]
def self.find_first(doc)
find_every(doc).first
end
def self.find_every(doc)
doc.map { |child| build_tree(child) }
end
def self.find_occurences(doc)
@options[:class] ? doc/".xoxo" : doc.search(@@parents_xpath)
end
def self.build_tree(child)
tree = []
child.search(@@children_xpath) do |element|
label, branch = nil, nil
element.children.each do |inner|
label ||= build_label(inner) unless container?(inner)
branch ||= build_tree(inner) if container?(inner)
end
tree << (branch ? { label => branch } : label)
end
tree
end
def self.container?(el)
el.elem? && @@parents.include?(el.name)
end
def self.build_label(node)
if node.elem?
label = Label.new(node.inner_html.strip)
label.url = node['href'] if node.name == 'a'
label
elsif node.text? && !node.to_s.strip.empty?
node.to_s.strip
end
end
class Label < String
attr_accessor :url
end
end
Version data entries
10 entries across 10 versions & 2 rubygems