1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/intl/uconv/ucvcn/nsISO2022CNToUnicode.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,107 @@
1.4 +/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
1.5 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.6 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.7 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.8 +#ifndef nsISO2022CNToUnicode_h__
1.9 +#define nsISO2022CNToUnicode_h__
1.10 +#include "nsCOMPtr.h"
1.11 +#include "nsUCSupport.h"
1.12 +#include "mozilla/Telemetry.h"
1.13 +
1.14 +#define MBYTE 0x8e
1.15 +#undef PMASK
1.16 +#define PMASK 0xa0
1.17 +
1.18 +#define SI 0x0f
1.19 +#define SO 0x0e
1.20 +#define ESC 0x1b
1.21 +#define SS2 0x4e
1.22 +#define SS3 0x4f
1.23 +
1.24 +class nsISO2022CNToUnicode : public nsBasicDecoderSupport
1.25 +{
1.26 +public:
1.27 + nsISO2022CNToUnicode() :
1.28 + mState(eState_ASCII),
1.29 + mPlaneID(0),
1.30 + mRunLength(0)
1.31 + {
1.32 + mozilla::Telemetry::Accumulate(
1.33 + mozilla::Telemetry::DECODER_INSTANTIATED_ISO2022CN, true);
1.34 + }
1.35 +
1.36 + virtual ~nsISO2022CNToUnicode() {}
1.37 +
1.38 + NS_IMETHOD Convert(const char *aSrc, int32_t * aSrcLength,
1.39 + char16_t * aDest, int32_t * aDestLength) ;
1.40 +
1.41 + NS_IMETHOD GetMaxLength(const char * aSrc, int32_t aSrcLength,
1.42 + int32_t * aDestLength)
1.43 + {
1.44 + *aDestLength = aSrcLength;
1.45 + return NS_OK;
1.46 + }
1.47 +
1.48 + NS_IMETHOD Reset()
1.49 + {
1.50 + mState = eState_ASCII;
1.51 + mPlaneID = 0;
1.52 + mRunLength = 0;
1.53 +
1.54 + return NS_OK;
1.55 + }
1.56 +
1.57 +private:
1.58 + // State Machine ID
1.59 + enum {
1.60 + eState_ASCII,
1.61 + eState_ESC, // ESC
1.62 + eState_ESC_24, // ESC $
1.63 +
1.64 + eState_ESC_24_29, // ESC $ )
1.65 + eState_ESC_24_29_A, // ESC $ ) A
1.66 + eState_GB2312_1980, // ESC $ ) A SO
1.67 + eState_GB2312_1980_2ndbyte, // ESC $ ) A SO
1.68 + eState_ESC_24_29_A_SO_SI, // ESC $ ) A SO SI
1.69 + eState_ESC_24_29_G, // ESC $ ) G or H
1.70 + eState_CNS11643_1, // ESC $ ) G SO
1.71 + eState_CNS11643_1_2ndbyte, // ESC $ ) G SO
1.72 + eState_ESC_24_29_G_SO_SI, // ESC $ ) G SO SI
1.73 +
1.74 + eState_ESC_24_2A, // ESC $ *
1.75 + eState_ESC_24_2A_H, // ESC $ * H
1.76 + eState_ESC_24_2A_H_ESC, // ESC $ * H ESC
1.77 + eState_CNS11643_2, // ESC $ * H ESC SS2
1.78 + eState_CNS11643_2_2ndbyte, // ESC $ * H ESC SS2
1.79 + eState_ESC_24_2A_H_ESC_SS2_SI, // ESC $ * H ESC SS2 SI
1.80 + eState_ESC_24_2A_H_ESC_SS2_SI_ESC, // ESC $ * H ESC SS2 SI ESC
1.81 +
1.82 + eState_ESC_24_2B, // ESC $ +
1.83 + eState_ESC_24_2B_I, // ESC $ + I
1.84 + eState_ESC_24_2B_I_ESC, // ESC $ + I ESC
1.85 + eState_CNS11643_3, // ESC $ + I ESC SS3
1.86 + eState_CNS11643_3_2ndbyte, // ESC $ + I ESC SS3
1.87 + eState_ESC_24_2B_I_ESC_SS3_SI, // ESC $ + I ESC SI
1.88 + eState_ESC_24_2B_I_ESC_SS3_SI_ESC, // ESC $ + I ESC SI ESC
1.89 + eState_ERROR
1.90 + } mState;
1.91 +
1.92 + char mData;
1.93 +
1.94 + // Plane number for CNS11643 code
1.95 + int mPlaneID;
1.96 +
1.97 + // Length of non-ASCII run
1.98 + uint32_t mRunLength;
1.99 +
1.100 + // Decoder handler
1.101 + nsCOMPtr<nsIUnicodeDecoder> mGB2312_Decoder;
1.102 + nsCOMPtr<nsIUnicodeDecoder> mEUCTW_Decoder;
1.103 +
1.104 + NS_IMETHOD GB2312_To_Unicode(unsigned char *aSrc, int32_t aSrcLength,
1.105 + char16_t * aDest, int32_t * aDestLength) ;
1.106 +
1.107 + NS_IMETHOD EUCTW_To_Unicode(unsigned char *aSrc, int32_t aSrcLength,
1.108 + char16_t * aDest, int32_t * aDestLength) ;
1.109 +};
1.110 +#endif // nsISO2022CNToUnicode_h__
