Class: Picky::Vietnamese::Substituter

Inherits:
CharacterSubstituters::Base
  • Object
show all
Defined in:
lib/picky-vietnamese.rb

Instance Method Summary collapse

Instance Method Details

#substitute(text) ⇒ Object 



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# File 'lib/picky-vietnamese.rb', line 7

def substitute text
  #http://rishida.net/scripts/pickers/vietnamese/
  #http://vietunicode.sourceforge.net/main.html
  #ăaăâeêioôơuưy ắ ớ ố ộ ợ ệ ị ụ ỉ
  result = [];
  text.downcase.mb_chars.normalize(:kd).unpack('U*').map{|c|
    case c
      when 0..127
        result << c
      when 0x103 #A(
        result << 97
      when 0xE2 #A^
        result << 97
      when 0xEA #E^
        result << 101
      when 0xF4 #o^
        result << 111
      when 0x1A1 #O*
        result << 111
      when 0x1B0 #U*
        result << 117
      when 0x111 #dd
        result << 100
    end
  }
  result.pack('U*')
end