method

drop

Ruby latest stable (v2_5_5) - 0 notes - Class: CSV::StreamBuf

1_8_6_287 (0)
1_8_7_72 (0)
1_8_7_330 (0)
1_9_1_378
1_9_2_180
1_9_3_125
1_9_3_392
2_1_10
2_2_9
2_4_6
2_5_5
2_6_3
What's this?

Method deprecated or moved

This method is deprecated or moved on the latest stable version. The last existing version (v1_8_7_330) is shown here.

These similar methods exist in v2_5_5:

drop(n) public

drop a string from the stream. returns dropped size. at EOF, dropped size might not equals to arg n. Once you drop the head of the stream, access to the dropped part via [] or get returns nil.

Show source

# File lib/csv.rb, line 854
    def drop(n)
      if is_eos?
        return 0
      end
      size_dropped = 0
      while (n > 0)
        if !@is_eos or (@cur_buf != @buf_tail_idx)
          if (@offset + n < buf_size(@cur_buf))
            size_dropped += n
            @offset += n
            n = 0
          else
            size = buf_size(@cur_buf) - @offset
            size_dropped += size
            n -= size
            @offset = 0
            unless rel_buf
              unless add_buf
                break
              end
              @cur_buf = @buf_tail_idx
            end
          end
        end
      end
      size_dropped
    end

drop

Related methods

Method deprecated or moved