CSV::Parser#parse_quotable_robust

# File tmp/rubies/ruby-3.1.3/lib/csv/parser.rb, line 1022
def parse_quotable_robust(&block)
  row = []
  quoted_fields = []
  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
      validate_field_size(value)
    end
    if parse_column_end
      row << value
      quoted_fields << @quoted_column_value
    elsif parse_row_end
      if row.empty? and value.nil?
        emit_row([], [], &block) unless @skip_blanks
      else
        row << value
        quoted_fields << @quoted_column_value
        emit_row(row, quoted_fields, &block)
        row = []
        quoted_fields = []
      end
      skip_needless_lines
      start_row
    elsif @scanner.eos?
      break if row.empty? and value.nil?
      row << value
      quoted_fields << @quoted_column_value
      emit_row(row, quoted_fields, &block)
      break
    else
      if @quoted_column_value
        if liberal_parsing? and (new_line = @scanner.check(@line_end))
          message =
            "Illegal end-of-line sequence outside of a quoted field " +
            "<#{new_line.inspect}>"
        else
          message = "Any value after quoted field isn't allowed"
        end
        ignore_broken_line
        raise MalformedCSVError.new(message, @lineno)
      elsif @unquoted_column_value and
            (new_line = @scanner.scan(@line_end))
        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(@line_end))
        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