class Erubi::CaptureEndEngine

def handle(indicator, code, tailch, rspace, lspace)
  case indicator
  when '|=', '|=='
    rspace = nil if tailch && !tailch.empty?
    add_text(lspace) if lspace
    escape_capture = !((indicator == '|=') ^ @escape_capture)
    terminate_expression
    @src << "begin; (#{@bufstack} ||= []) << #{@bufvar}; #{@bufvar} = #{@bufval}; #{@bufstack}.last << #{@escapefunc if escape_capture}((" << code
    @buffer_on_stack = false
    add_text(rspace) if rspace
  when '|'
    rspace = nil if tailch && !tailch.empty?
    add_text(lspace) if lspace
    if @yield_returns_buffer
      terminate_expression
      @src << " #{@bufvar}; "
    end
    @src << code << ")).to_s; ensure; #{@bufvar} = #{@bufstack}.pop; end;"
    @buffer_on_stack = false
    add_text(rspace) if rspace
  else
    super
  end
end