Module: SDL::Util::NokogiriUtils

Defined in:
lib/sdl/util/nokogiri.rb

Instance Method Summary collapse

Instance Method Details

#fetch_from_io(io, base_url, *search) ⇒ Object 



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# File 'lib/sdl/util/nokogiri.rb', line 19

def fetch_from_io(io, base_url, *search)
  process_result Nokogiri::HTML(io).search(*search), base_url
end

#fetch_from_url(url, *search) ⇒ Object

Fetches an Nokogiri::XML::NodeSet from the webpage at url by performing *search



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# File 'lib/sdl/util/nokogiri.rb', line 11

def fetch_from_url(url, *search)
  begin
    fetch_from_io open(url), url, *search
  rescue SocketError => e
    []
  end
end

#process_result(result, base_url) ⇒ Object

It converts all relative href URLs to absolute URLs and adds a ‘target’ attribute to all links, so that they open in a new browser window and not the current broker.



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# File 'lib/sdl/util/nokogiri.rb', line 25

def process_result(result, base_url)
  result.search('//body//@href').each do |attribute|
    begin
      attribute.content = URI.join(base_url, attribute.value.gsub(/\s/, '')).to_s
    rescue URI::InvalidURIError
      next
    end

    if attribute.parent.name.eql? 'a'
      attribute.parent['target'] = '_new'
    end
  end

  result
end