Module: DumpCleaner::Cleanup::BytesizeHelpers

Included in:
CleaningSteps::AddRepetitionSuffix, CleaningSteps::FillUpWithString
Defined in:
lib/dump_cleaner/cleanup/bytesize_helpers.rb

Instance Method Summary collapse

Instance Method Details

#replace_suffix(string, suffix:, padding: " ") ⇒ Object 



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# File 'lib/dump_cleaner/cleanup/bytesize_helpers.rb', line 22

def replace_suffix(string, suffix:, padding: " ")
  front_max_bytes = string.bytesize - suffix.bytesize
  front = truncate_to_bytesize(string, max_bytesize: front_max_bytes, padding:)

  "#{front}#{suffix}"
end

#set_to_bytesize(string, bytesize:, padding: " ") ⇒ Object 



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# File 'lib/dump_cleaner/cleanup/bytesize_helpers.rb', line 17

def set_to_bytesize(string, bytesize:, padding: " ")
  string = string.ljust(bytesize, "#{padding}#{string}") if string.bytesize < bytesize
  truncate_to_bytesize(string, max_bytesize: bytesize, padding:)
end

#truncate_to_bytesize(string, max_bytesize:, padding: " ") ⇒ Object

inspired by stackoverflow.com/a/67825008/1544012



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# File 'lib/dump_cleaner/cleanup/bytesize_helpers.rb', line 5

def truncate_to_bytesize(string, max_bytesize:, padding: " ")
  return string unless string.bytesize > max_bytesize

  check_padding_bytesize(padding)

  just_over = (0...string.size).bsearch { string[0.._1].bytesize > max_bytesize }
  string = string[0...just_over]

  string << padding while string.bytesize < max_bytesize
  string
end