Module: UnicodeTrimmer

Defined in:
lib/logstash/util/unicode_trimmer.rb

Constant Summary collapse

MAX_CHAR_BYTES =

The largest possible unicode chars are 4 bytes stackoverflow.com/questions/9533258/what-is-the-maximum-number-of-bytes-for-a-utf-8-encoded-character tools.ietf.org/html/rfc3629

4

Class Method Summary collapse

Class Method Details

.trim_bytes(orig_str, desired_bytes) ⇒ Object 



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# File 'lib/logstash/util/unicode_trimmer.rb', line 14

def self.trim_bytes(orig_str, desired_bytes)
  return orig_str if orig_str.bytesize <= desired_bytes

  pre_shortened = pre_shorten(orig_str, desired_bytes)

  case pre_shortened.bytesize <=> desired_bytes
  when 0
    pre_shortened
  when 1
    shrink_bytes(pre_shortened, orig_str, desired_bytes)
  when -1
    grow_bytes(pre_shortened, orig_str, desired_bytes)
  end
end