parse_quotable_robust

# File lib/csv/parser.rb, line 832
    def parse_quotable_robust(&block)
      row = []
      skip_needless_lines
      start_row
      while true
        @quoted_column_value = false
        @unquoted_column_value = false
        @scanner.scan_all(@strip_value) if @strip_value
        value = parse_column_value
        if value
          @scanner.scan_all(@strip_value) if @strip_value
          if @field_size_limit and value.size >= @field_size_limit
            ignore_broken_line
            raise MalformedCSVError.new("Field size exceeded", @lineno)
          end
        end
        if parse_column_end
          row << value
        elsif parse_row_end
          if row.empty? and value.nil?
            emit_row([], &block) unless @skip_blanks
          else
            row << value
            emit_row(row, &block)
            row = []
          end
          skip_needless_lines
          start_row
        elsif @scanner.eos?
          break if row.empty? and value.nil?
          row << value
          emit_row(row, &block)
          break
        else
          if @quoted_column_value
            ignore_broken_line
            message = "Any value after quoted field isn't allowed"
            raise MalformedCSVError.new(message, @lineno)
          elsif @unquoted_column_value and
                (new_line = @scanner.scan(@cr_or_lf))
            ignore_broken_line
            message = "Unquoted fields do not allow new line " +
                      "<#{new_line.inspect}>"
            raise MalformedCSVError.new(message, @lineno)
          elsif @scanner.rest.start_with?(@quote_character)
            ignore_broken_line
            message = "Illegal quoting"
            raise MalformedCSVError.new(message, @lineno)
          elsif (new_line = @scanner.scan(@cr_or_lf))
            ignore_broken_line
            message = "New line must be <#{@row_separator.inspect}> " +
                      "not <#{new_line.inspect}>"
            raise MalformedCSVError.new(message, @lineno)
          else
            ignore_broken_line
            raise MalformedCSVError.new("TODO: Meaningful message",
                                        @lineno)
          end
        end
      end
    end