Method: Mail::Multibyte::Unicode#reorder_characters

Defined in:
lib/mail/multibyte/unicode.rb

#reorder_characters(codepoints) ⇒ Object

Re-order codepoints so the string becomes canonical.



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# File 'lib/mail/multibyte/unicode.rb', line 147

def reorder_characters(codepoints)
  length = codepoints.length- 1
  pos = 0
  while pos < length do
    cp1, cp2 = database.codepoints[codepoints[pos]], database.codepoints[codepoints[pos+1]]
    if (cp1.combining_class > cp2.combining_class) && (cp2.combining_class > 0)
      codepoints[pos..pos+1] = cp2.code, cp1.code
      pos += (pos > 0 ? -1 : 1)
    else
      pos += 1
    end
  end
  codepoints
end