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37 : #ifndef nsISO2022KRToUnicode_h__
38 : #define nsISO2022KRToUnicode_h__
39 : #include "nsISupports.h"
40 : #include "nsUCSupport.h"
41 :
42 :
43 :
44 : class nsISO2022KRToUnicode : public nsBasicDecoderSupport
45 : {
46 : public:
47 5 : nsISO2022KRToUnicode()
48 5 : {
49 5 : mState = mState_Init;
50 5 : mLastLegalState = mState_ASCII;
51 5 : mData = 0;
52 5 : mEUCKRDecoder = nsnull;
53 5 : mRunLength = 0;
54 5 : }
55 :
56 10 : virtual ~nsISO2022KRToUnicode()
57 10 : {
58 5 : NS_IF_RELEASE(mEUCKRDecoder);
59 20 : }
60 :
61 : NS_IMETHOD Convert(const char * aSrc, PRInt32 * aSrcLength,
62 : PRUnichar * aDest, PRInt32 * aDestLength) ;
63 :
64 0 : NS_IMETHOD GetMaxLength(const char * aSrc, PRInt32 aSrcLength,
65 : PRInt32 * aDestLength)
66 : {
67 0 : *aDestLength = aSrcLength;
68 0 : return NS_OK;
69 : }
70 :
71 0 : NS_IMETHOD Reset()
72 : {
73 0 : mState = mState_Init;
74 0 : mLastLegalState = mState_ASCII;
75 0 : mRunLength = 0;
76 0 : return NS_OK;
77 : }
78 :
79 : private:
80 : enum {
81 : mState_Init,
82 : mState_ASCII,
83 : mState_ESC,
84 : mState_ESC_24,
85 : mState_ESC_24_29,
86 : mState_KSX1001_1992,
87 : mState_KSX1001_1992_2ndbyte,
88 : mState_ERROR
89 : } mState, mLastLegalState;
90 :
91 : PRUint8 mData;
92 :
93 : // Length of non-ASCII run
94 : PRUint32 mRunLength;
95 :
96 : nsIUnicodeDecoder *mEUCKRDecoder;
97 : };
98 : #endif // nsISO2022KRToUnicode_h__
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