Module: Diversion::Encode

Includes:
Base64, Json, Signing
Included in:
Client
Defined in:
lib/diversion/encode.rb,
lib/diversion/encode/json.rb,
lib/diversion/encode/params.rb

Defined Under Namespace

Modules: Json, Params

Constant Summary collapse

ENCODERS = 
[ Params, Json ]

Constants included from Signing

Signing::MAX_SIGN_LENGTH

Instance Method Summary collapse

Methods included from Json

get_url

Methods included from Signing

sign_data

Instance Method Details

#encode(html, global_attrs = {}, opts = {}) ⇒ Object

Raises:



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# File 'lib/diversion/encode.rb', line 14

def encode(html, global_attrs = {}, opts = {})
  opts = options.merge(opts)
  validate_configuration!

  raise Error::UriMissingError if opts[:encode_uris].count == 0
  doc = Nokogiri::HTML.fragment(html)
  doc.search('a').each do |link|
    # ignore any non web uris
    next unless link[:href].start_with?(*opts[:encode_uris].collect{|uri| "#{uri}:"})

    # data attributes
    attrs = {}

    # gather data- attributes from all links
    link.attributes.each do |attr|
      name = attr[0]
      value = attr[1].value
      if name.start_with?('data-') 
        data_name = name[5..-1]
        attrs[data_name] = value
        # remove current attribute from the document
        link.remove_attribute(name)
      end
    end

    # set the url
    attrs["url"] = link[:href]

    # merge in any global attributes
    attrs = attrs.merge(global_attrs)

    # get url for required type
    url = opts[:url_encoding].get_url(attrs, opts)
    url = doc_escape(url)
    link["href"] = url
  end
  # work around Nokogiri escaping of & and replace with intended ampersands
  doc_unescape(doc.to_html)
end