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 * for the specific language governing rights and limitations under the
 * License.
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 * The Original Code is Mozilla Communicator client code.
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#ifndef nsUCS2BEToUnicode_h___
#define nsUCS2BEToUnicode_h___

#include "nsISupports.h"
#include "nsUCSupport.h"

//----------------------------------------------------------------------
// Class nsUCS2BEToUnicode [declaration]

/**
 * A character set converter from UCS2BE to Unicode.
 *
 * @created         18/Mar/1998
 * @author  Catalin Rotaru [CATA]
 */
class nsUCS2BEToUnicode : public nsTableDecoderSupport
{
public:

  /**
   * Class constructor.
   */
  nsUCS2BEToUnicode();

protected:

  //--------------------------------------------------------------------
  // Subclassing of nsDecoderSupport class [declaration]

  NS_IMETHOD GetMaxLength(const char * aSrc, PRInt32 aSrcLength, 
      PRInt32 * aDestLength);
};

//============== above code is obsolete ==============================

class nsUTF16BEToUnicode : public nsBasicDecoderSupport
{
public:

  /**
   * Class constructor.
   */
  nsUTF16BEToUnicode() { Reset();};

  NS_IMETHOD Convert(const char * aSrc, PRInt32 * aSrcLength,
      PRUnichar * aDest, PRInt32 * aDestLength); 
  NS_IMETHOD Reset();

protected:
  //--------------------------------------------------------------------
  // Subclassing of nsDecoderSupport class [declaration]

  NS_IMETHOD GetMaxLength(const char * aSrc, PRInt32 aSrcLength, 
      PRInt32 * aDestLength);
protected:
  PRUint8 mState;
  PRUint8 mData;
};

class nsUTF16LEToUnicode : public nsBasicDecoderSupport
{
public:

  /**
   * Class constructor.
   */
  nsUTF16LEToUnicode() { Reset();};

  NS_IMETHOD Convert(const char * aSrc, PRInt32 * aSrcLength,
      PRUnichar * aDest, PRInt32 * aDestLength); 
  NS_IMETHOD Reset();

protected:
  //--------------------------------------------------------------------
  // Subclassing of nsDecoderSupport class [declaration]

  NS_IMETHOD GetMaxLength(const char * aSrc, PRInt32 aSrcLength, 
      PRInt32 * aDestLength);
protected:
  PRUint8 mState;
  PRUint8 mData;
};

#endif /* nsUCS2BEToUnicode_h___ */