File: HuffmanCoder.H

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#ifndef HuffmanCoder_H
#define HuffmanCoder_H


class EncodeBuffer;
class DecodeBuffer;

class EncodeNode;

class HuffmanCoder
{
 public:
  HuffmanCoder(unsigned int histogramLength, const unsigned int *histogram,
	       unsigned int overflowCount = 0);
  HuffmanCoder(unsigned int numCodes, const char **codes);
  ~HuffmanCoder();

  void encode(unsigned int value, EncodeBuffer&);
  unsigned int decode(DecodeBuffer&);

 private:
  EncodeNode* root_;
  unsigned int numTokens_;
  EncodeNode** tokens_;
};

#endif /* HuffmanCoder_H */