class Cucumber::FeatureFile

def initialize(uri, source=nil)
  @source = source
  _, @path, @lines = *FILE_COLON_LINE_PATTERN.match(uri)
  if @path
    @lines = @lines.split(':').map { |line| line.to_i }
  else
    @path = uri
  end
end

def lang
  # TODO: Gherkin has logic for this. Remove.
  line_one = source.split(/\n/)[0]
  if line_one =~ LANGUAGE_PATTERN
    $1.strip
  else
    nil
  end
end

def parse(step_mother, options)
  filters = @lines || options.filters
  builder         = Cucumber::Parser::GherkinBuilder.new
  filter_listener = Gherkin::Parser::FilterListener.new(builder, filters)
  parser          = Gherkin::Parser::Parser.new(filter_listener, true, "root")
  lexer           = Gherkin::I18nLexer.new(parser, false)
  begin
    lexer.scan(source)
    ast = builder.ast
    return nil if ast.nil? # Filter caused nothing to match
    ast.language = lexer.i18n_language
    ast.file = @path
    ast
  rescue Gherkin::LexingError => e
    e.message.insert(0, "#{@path}: ")
    raise e
  end
end

def source
  @source ||= if @path =~ /^http/
    require 'open-uri'
    open(@path).read
  else
    begin
      File.open(@path, Cucumber.file_mode('r')).read 
    rescue Errno::EACCES => e
      p = File.expand_path(@path)
      e.message << "\nCouldn't open #{p}"
      raise e
    end
  end
end