Method: URI::Data#initialize

Defined in:
lib/data_uri/uri.rb

#initialize(*args) ⇒ Data

Returns a new instance of Data.


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# File 'lib/data_uri/uri.rb', line 11

def initialize(*args)
  if args.length == 1
    uri = args.first.to_s
    unless uri.match(/^data:/)
      raise URI::InvalidURIError.new('Invalid Data URI: ' + args.first.inspect)
    end
    @scheme = 'data'
    @opaque = uri[5 .. -1]
  else
    super(*args)
  end
  @data = @opaque
  if md = MIME_TYPE_RE.match(@data)
    @content_type = md[1]
    @data = @data[@content_type.length .. -1]
  end
  @content_type ||= 'text/plain'
  @mime_params = {}
  while md = MIME_PARAM_RE.match(@data)
    @mime_params[md[1]] = md[2]
    @data = @data[md[0].length .. -1]
  end
  if base64 = /^;base64/.match(@data)
    @data = @data[7 .. -1]
  end
  unless /^,/.match(@data)
    raise URI::InvalidURIError.new('Invalid data URI')
  end
  @data = @data[1 .. -1]
  @data = base64 ? Base64.decode64(@data) : URI.decode(@data)
  if @data.respond_to?(:force_encoding) && charset = @mime_params['charset']
    @data.force_encoding(charset)
  end
end