Class: SwfUtil::SWFDecompressor

Inherits:
SWFCompression show all
Defined in:
lib/swf_util/swf-decompressor.rb

Instance Method Summary collapse

Methods inherited from SWFCompression

#read_full_size, #read_size, #strip

Constructor Details

#initialize(from = nil, to = nil) ⇒ SWFDecompressor

Returns a new instance of SWFDecompressor.



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# File 'lib/swf_util/swf-decompressor.rb', line 5

def initialize(from=nil,to=nil)
  read_file(from,to) if !from.nil? and !to.nil?
end

Instance Method Details

#read_file(file, to) ⇒ Object 



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# File 'lib/swf_util/swf-decompressor.rb', line 8

def read_file(file,to) 
  swf=nil
  File.open(file,"r") do |f|
    swf=f.read(read_full_size(file))
  end
  decomp=uncompress(swf)
  File.open(to,"w+") do |f|
    f.write(decomp)
  end  
end

#uncompress(bytes) ⇒ Object 



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# File 'lib/swf_util/swf-decompressor.rb', line 18

def uncompress(bytes)
  decompressor =Zlib::Inflate.new
  swf=decompressor.inflate(strip(bytes))
  swf=bytes[0,8]+swf
  swf[0] = 70
  swf
end