Class: Wordref::Wordref

Inherits:
Object
  • Object
show all
Defined in:
lib/wordref.rb

Defined Under Namespace

Classes: InvalidLangFormat

Instance Method Summary collapse

Instance Method Details

#translate(params = {}) ⇒ Object 



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# File 'lib/wordref.rb', line 29

def translate(params = {})
  if !accepted_langs.keys.include?(params[:from] + params[:to])
    raise InvalidLangFormat,
      "Invalid chosen language (#{params[:from]} / #{params[:to]}).\n" +
      "Accepted langs are:\n" + accepted_langs.to_s
  end

  dic = "#{params[:from] || 'en'}#{params[:to]}"
  word = params[:word]

  response = attempt(3, 3) {
    open("http://www.wordreference.com/#{dic}/#{URI::encode(word)}",
         'User-Agent' => 'Mozilla/5.0 (X11; Linux i686; rv:10.0) Gecko/20100101 Firefox/10.0').read
  }
  doc = Nokogiri::HTML(response)
  first_trans = doc.css("tr[id^='#{dic}:']").first
  return nil if first_trans.nil?
  first_trans.css('td[class="ToWrd"] > text()').to_s.strip
end