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

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1.5 KiB
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/* -*- Mode: C; tab-width: 4; 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 nsISO2022KRToUnicode_h__
#define nsISO2022KRToUnicode_h__
#include "nsUCSupport.h"
#include "mozilla/Telemetry.h"
class nsISO2022KRToUnicode : public nsBasicDecoderSupport
{
public:
nsISO2022KRToUnicode()
{
mState = mState_Init;
mLastLegalState = mState_ASCII;
mData = 0;
mEUCKRDecoder = nullptr;
mRunLength = 0;
mozilla::Telemetry::Accumulate(
mozilla::Telemetry::DECODER_INSTANTIATED_ISO2022KR, true);
}
virtual ~nsISO2022KRToUnicode()
{
}
NS_IMETHOD Convert(const char * aSrc, int32_t * aSrcLength,
char16_t * 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_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;
uint8_t mData;
// Length of non-ASCII run
uint32_t mRunLength;
nsCOMPtr<nsIUnicodeDecoder> mEUCKRDecoder;
};
#endif // nsISO2022KRToUnicode_h__