prepare_separators

# File lib/csv/parser.rb, line 449
    def prepare_separators
      @column_separator = @options[:column_separator].to_s.encode(@encoding)
      @row_separator =
        resolve_row_separator(@options[:row_separator]).encode(@encoding)

      @escaped_column_separator = Regexp.escape(@column_separator)
      @escaped_first_column_separator = Regexp.escape(@column_separator[0])
      if @column_separator.size > 1
        @column_end = Regexp.new(@escaped_column_separator)
        @column_ends = @column_separator.each_char.collect do |char|
          Regexp.new(Regexp.escape(char))
        end
        @first_column_separators = Regexp.new(@escaped_first_column_separator +
                                              "+".encode(@encoding))
      else
        if @@string_scanner_scan_accept_string
          @column_end = @column_separator
        else
          @column_end = Regexp.new(@escaped_column_separator)
        end
        @column_ends = nil
        @first_column_separators = nil
      end

      escaped_row_separator = Regexp.escape(@row_separator)
      @row_end = Regexp.new(escaped_row_separator)
      if @row_separator.size > 1
        @row_ends = @row_separator.each_char.collect do |char|
          Regexp.new(Regexp.escape(char))
        end
      else
        @row_ends = nil
      end

      @cr = "\r".encode(@encoding)
      @lf = "\n".encode(@encoding)
      @cr_or_lf = Regexp.new("[\r\n]".encode(@encoding))
      @not_line_end = Regexp.new("[^\r\n]+".encode(@encoding))
    end