gecko/intl/uconv/ucvja/nsJapaneseToUnicode.h

148 lines
3.4 KiB
C++

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