michael@0: /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: #ifndef nsShiftJISToUnicode_h__
michael@0: #define nsShiftJISToUnicode_h__
michael@0: #include "nsUCSupport.h"
michael@0: #include "mozilla/Telemetry.h"
michael@0: 
michael@0: class nsShiftJISToUnicode : public nsBasicDecoderSupport
michael@0: {
michael@0: public:
michael@0: 
michael@0:  nsShiftJISToUnicode() 
michael@0:      { 
michael@0:          mState=0; mData=0; 
michael@0:      }
michael@0:  virtual ~nsShiftJISToUnicode() {}
michael@0: 
michael@0:  NS_IMETHOD Convert(const char * aSrc, int32_t * aSrcLength,
michael@0:      char16_t * aDest, int32_t * aDestLength) ;
michael@0:  NS_IMETHOD GetMaxLength(const char * aSrc, int32_t aSrcLength,
michael@0:      int32_t * aDestLength) 
michael@0:      {
michael@0:         *aDestLength = aSrcLength;
michael@0:         return NS_OK;
michael@0:      }
michael@0:  NS_IMETHOD Reset()
michael@0:      {
michael@0:         mState = 0;
michael@0:         return NS_OK;
michael@0:      }
michael@0: 
michael@0:   virtual char16_t GetCharacterForUnMapped();
michael@0: 
michael@0: private:
michael@0: 
michael@0: private:
michael@0:  int32_t  mState;
michael@0:  int32_t mData;
michael@0: };
michael@0: 
michael@0: class nsEUCJPToUnicodeV2 : public nsBasicDecoderSupport
michael@0: {
michael@0: public:
michael@0: 
michael@0:  nsEUCJPToUnicodeV2() 
michael@0:      { 
michael@0:           mState=0; mData=0; 
michael@0:      }
michael@0:  virtual ~nsEUCJPToUnicodeV2() {}
michael@0: 
michael@0:  NS_IMETHOD Convert(const char * aSrc, int32_t * aSrcLength,
michael@0:      char16_t * aDest, int32_t * aDestLength) ;
michael@0:  NS_IMETHOD GetMaxLength(const char * aSrc, int32_t aSrcLength,
michael@0:      int32_t * aDestLength) 
michael@0:      {
michael@0:         *aDestLength = aSrcLength;
michael@0:         return NS_OK;
michael@0:      }
michael@0:  NS_IMETHOD Reset()
michael@0:      {
michael@0:         mState = 0;
michael@0:         return NS_OK;
michael@0:      }
michael@0: 
michael@0: private:
michael@0:  int32_t  mState;
michael@0:  int32_t mData;
michael@0: };
michael@0:  
michael@0: class nsISO2022JPToUnicodeV2 : public nsBasicDecoderSupport
michael@0: {
michael@0: public:
michael@0: 
michael@0:  nsISO2022JPToUnicodeV2() 
michael@0:      { 
michael@0:         mState = mState_ASCII;
michael@0:         mLastLegalState = mState_ASCII;
michael@0:         mData = 0;
michael@0:         mRunLength = 0;
michael@0:         G2charset = G2_unknown;
michael@0:         mGB2312Decoder = nullptr;
michael@0:         mEUCKRDecoder = nullptr;
michael@0:         mISO88597Decoder = nullptr;
michael@0:         mozilla::Telemetry::Accumulate(
michael@0:           mozilla::Telemetry::DECODER_INSTANTIATED_ISO2022JP, true);
michael@0:      }
michael@0:  virtual ~nsISO2022JPToUnicodeV2()
michael@0:      {
michael@0:         NS_IF_RELEASE(mGB2312Decoder);
michael@0:         NS_IF_RELEASE(mEUCKRDecoder);
michael@0:         NS_IF_RELEASE(mISO88597Decoder);
michael@0:      }
michael@0: 
michael@0:  NS_IMETHOD Convert(const char * aSrc, int32_t * aSrcLength,
michael@0:      char16_t * aDest, int32_t * aDestLength) ;
michael@0:  NS_IMETHOD GetMaxLength(const char * aSrc, int32_t aSrcLength,
michael@0:      int32_t * aDestLength) 
michael@0:      {
michael@0:         *aDestLength = aSrcLength;
michael@0:         return NS_OK;
michael@0:      }
michael@0:  NS_IMETHOD Reset()
michael@0:      {
michael@0:         mState = mState_ASCII;
michael@0:         mLastLegalState = mState_ASCII;
michael@0:         mRunLength = 0;
michael@0:         return NS_OK;
michael@0:      }
michael@0: 
michael@0: private:
michael@0:  enum {
michael@0:    mState_ASCII,
michael@0:    mState_ESC,
michael@0:    mState_ESC_28,
michael@0:    mState_ESC_24,
michael@0:    mState_ESC_24_28,
michael@0:    mState_JISX0201_1976Roman,
michael@0:    mState_JISX0201_1976Kana,
michael@0:    mState_JISX0208_1978,
michael@0:    mState_GB2312_1980,
michael@0:    mState_JISX0208_1983,
michael@0:    mState_KSC5601_1987,
michael@0:    mState_JISX0212_1990,
michael@0:    mState_JISX0208_1978_2ndbyte,
michael@0:    mState_GB2312_1980_2ndbyte,
michael@0:    mState_JISX0208_1983_2ndbyte,
michael@0:    mState_KSC5601_1987_2ndbyte,
michael@0:    mState_JISX0212_1990_2ndbyte,
michael@0:    mState_ESC_2e,
michael@0:    mState_ESC_4e,
michael@0:    mState_ERROR
michael@0:  } mState, mLastLegalState;
michael@0:  int32_t mData;
michael@0:  int32_t mRunLength; // the length of a non-ASCII run
michael@0:  enum {
michael@0:    G2_unknown,
michael@0:    G2_ISO88591,
michael@0:    G2_ISO88597
michael@0:  } G2charset;
michael@0:  nsIUnicodeDecoder *mGB2312Decoder;
michael@0:  nsIUnicodeDecoder *mEUCKRDecoder;
michael@0:  nsIUnicodeDecoder *mISO88597Decoder;
michael@0: };
michael@0: #endif // nsShiftJISToUnicode_h__