module Scrapzirra
  class Scrap
    attr_accessor :url

    def initialize url, options = {}
      @url = url
      @doc = Nokogiri::HTML(options[:doc]) if options[:doc]
    end

    def doc
      @doc || load_doc
    end

    def load_doc
      require 'nokogiri'
      require 'open-uri'

      @doc = Nokogiri::HTML(open(@url))
    rescue
      @doc = Nokogiri::HTML::Document.parse('No data')
    end

    def selector_content css
      doc.css(css).collect{|a| a.content }.inject(:+)
    end
  end

end