public void Encode()
{
DefaultableSymbol <byte> previousSymbol;
Dictionary <DefaultableSymbol <byte>, ICoder <byte> > coderDictionary = createCoderDictionary();
coderDictionary[new DefaultableSymbol <byte>(true)].Encode(new MarkowHuffmanCoderInput(inputReader.Current), new HuffmanCoderOutput(coderOutputWriter));
previousSymbol = new DefaultableSymbol <byte>(inputReader.Current);
while (inputReader.MoveNext())
{
coderDictionary[previousSymbol].Encode(new MarkowHuffmanCoderInput(inputReader.Current), new HuffmanCoderOutput(coderOutputWriter));
previousSymbol = new DefaultableSymbol <byte>(inputReader.Current);
}
coderOutputWriter.CreateFileBytes(HuffmanEncodeModel.Markov, true, SymbolQuantityMapConverter.MarkowIntToExtConvert(this.symbolDictionary, CreateEncodingDictionaries(coderDictionary)));
}
public byte Read()
{
byte symbol = inputReader.Current;
isEnd = !inputReader.MoveNext();
return(symbol);
}
public Tuple <byte, DefaultableSymbol <byte> > Read()
{
byte firstSymbol = inputReader.Current;
isEnd = !inputReader.MoveNext();
if (isEnd)
{
isSpecialSymbol = true;
return(new Tuple <byte, DefaultableSymbol <byte> >(firstSymbol, new DefaultableSymbol <byte>(true)));
}
else
{
byte secondSymbol = inputReader.Current;
isEnd = !inputReader.MoveNext();
return(new Tuple <byte, DefaultableSymbol <byte> >(firstSymbol, new DefaultableSymbol <byte>(secondSymbol)));
}
}
private Dictionary <byte, int> createDictionary()
{
Dictionary <byte, int> symbolQuantityDic = new Dictionary <byte, int>();
do
{
if (symbolQuantityDic.ContainsKey(inputReader.Current))
{
++symbolQuantityDic[inputReader.Current];
}
else
{
symbolQuantityDic.Add(inputReader.Current, 1);
}
} while (inputReader.MoveNext());
inputReader.Reset();
return(symbolQuantityDic);
}
