Class: Tefil::PercentPacker

Inherits:
TextFilterBase show all
Defined in:
lib/tefil/percentpacker.rb

Instance Method Summary collapse

Methods inherited from TextFilterBase

#filter, #initialize

Constructor Details

This class inherits a constructor from Tefil::TextFilterBase

Instance Method Details

#process_stream(in_io, out_io) ⇒ Object 



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# File 'lib/tefil/percentpacker.rb', line 2

def process_stream(in_io, out_io)
  in_io.each do |line|
    old_chars = line.split("")
    new_str = ""
    new_index = 0
    old_index = 0
    while old_index < old_chars.size
      if old_chars[old_index] == "%"
        new_str += [old_chars[(old_index + 1) .. (old_index + 2)].join].pack("H*")
        old_index += 2
      else
        new_str += old_chars[old_index]
      end
      old_index += 1
      new_index += 1
    end
    out_io.print new_str
  end
end