Module: Huffman::BinaryStream

Extended by:
BinaryStream
Included in:
BinaryStream
Defined in:
lib/huffman/binary_stream.rb

Instance Method Summary collapse

Instance Method Details

#get_bits_from_text(txt, dictionnary) ⇒ Object 



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# File 'lib/huffman/binary_stream.rb', line 5

def get_bits_from_text(txt,dictionnary)
  dictionnary = dictionnary.invert
  txt.each_char.map{|char|  ; dictionnary[char]}.join
end

#get_text_from_bits(bits, dictionnary) ⇒ Object 



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# File 'lib/huffman/binary_stream.rb', line 10

def get_text_from_bits(bits,dictionnary)
  original_text = '' ; buffer = ''
  bits.each_char do |bit| 
    buffer += bit
    # Si il y'a une correspondance
    if dictionnary[buffer] 
       # Si c'est le marqueur de fin EOF 
         return original_text if dictionnary[buffer] == EOT
        
       original_text += dictionnary[buffer] 
       buffer.clear
    end
  end
  original_text
end