gecko-dev/intl/uconv/ucvko/nsISO2022KRToUnicode.h

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/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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#ifndef nsISO2022KRToUnicode_h__
#define nsISO2022KRToUnicode_h__
#include "nsISupports.h"
#include "nsUCSupport.h"
class nsISO2022KRToUnicode : public nsBasicDecoderSupport
{
public:
nsISO2022KRToUnicode()
{
mState = mState_Init;
mLastLegalState = mState_ASCII;
mData = 0;
mEUCKRDecoder = nsnull;
mRunLength = 0;
}
virtual ~nsISO2022KRToUnicode()
{
NS_IF_RELEASE(mEUCKRDecoder);
}
NS_IMETHOD Convert(const char * aSrc, PRInt32 * aSrcLength,
PRUnichar * aDest, PRInt32 * aDestLength) ;
NS_IMETHOD GetMaxLength(const char * aSrc, PRInt32 aSrcLength,
PRInt32 * aDestLength)
{
*aDestLength = aSrcLength;
return NS_OK;
}
NS_IMETHOD Reset()
{
mState = mState_Init;
mLastLegalState = mState_ASCII;
mRunLength = 0;
return NS_OK;
}
private:
enum {
mState_Init,
mState_ASCII,
mState_ESC,
mState_ESC_24,
mState_ESC_24_29,
mState_KSX1001_1992,
mState_KSX1001_1992_2ndbyte,
mState_ERROR
} mState, mLastLegalState;
PRUint8 mData;
// Length of non-ASCII run
PRUint32 mRunLength;
nsIUnicodeDecoder *mEUCKRDecoder;
};
#endif // nsISO2022KRToUnicode_h__