sporsh

require "nokogiri"
require "uri"

class HtmlParser
  def parse(source, html_string)
    uri = URI.parse(source)
    html_doc = Nokogiri::HTML(html_string)
    anchors = html_doc.xpath('//a[@href!="" and not(starts-with(@href, "#"))]')
    links = anchors.map { |elem|
      elem.attribute('href').value

sporsh

require 'open-uri'

class UrlFetcher
  def fetch(url)
    begin
      open(url) { |stream| stream.read }
    rescue SocketError, OpenURI::HTTPError, URI::InvalidURIError, Errno::ENOENT
      nil
    end
  end

sporsh

class ReadOnlyProxy(object):
    def __init__(self, target):
        self._target = target

    def __getattribute__(self, name):
        target = object.__getattribute__(self, '_target')
        return getattr(target, name)

sporsh

require "presentation"

p_file = ARGV[0] || "presentations.txt"
v_file = ARGV[1] || "votes.txt"

def load_presentations(filename)
  result = {}
  open(filename) { |file|
    while  entry = file.gets
      m_obj = /^(\d+):([^:]+):([^:]+)/.match(entry)