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comparison: intl/uconv/ucvcn/nsISO2022CNToUnicode.h
intl/uconv/ucvcn/nsISO2022CNToUnicode.h
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- TOR_BUG_9701
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| -1:000000000000 | 0:5ea40317be90 |
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| 1 /* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ | |
| 2 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 3 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 5 #ifndef nsISO2022CNToUnicode_h__ | |
| 6 #define nsISO2022CNToUnicode_h__ | |
| 7 #include "nsCOMPtr.h" | |
| 8 #include "nsUCSupport.h" | |
| 9 #include "mozilla/Telemetry.h" | |
| 10 | |
| 11 #define MBYTE 0x8e | |
| 12 #undef PMASK | |
| 13 #define PMASK 0xa0 | |
| 14 | |
| 15 #define SI 0x0f | |
| 16 #define SO 0x0e | |
| 17 #define ESC 0x1b | |
| 18 #define SS2 0x4e | |
| 19 #define SS3 0x4f | |
| 20 | |
| 21 class nsISO2022CNToUnicode : public nsBasicDecoderSupport | |
| 22 { | |
| 23 public: | |
| 24 nsISO2022CNToUnicode() : | |
| 25 mState(eState_ASCII), | |
| 26 mPlaneID(0), | |
| 27 mRunLength(0) | |
| 28 { | |
| 29 mozilla::Telemetry::Accumulate( | |
| 30 mozilla::Telemetry::DECODER_INSTANTIATED_ISO2022CN, true); | |
| 31 } | |
| 32 | |
| 33 virtual ~nsISO2022CNToUnicode() {} | |
| 34 | |
| 35 NS_IMETHOD Convert(const char *aSrc, int32_t * aSrcLength, | |
| 36 char16_t * aDest, int32_t * aDestLength) ; | |
| 37 | |
| 38 NS_IMETHOD GetMaxLength(const char * aSrc, int32_t aSrcLength, | |
| 39 int32_t * aDestLength) | |
| 40 { | |
| 41 *aDestLength = aSrcLength; | |
| 42 return NS_OK; | |
| 43 } | |
| 44 | |
| 45 NS_IMETHOD Reset() | |
| 46 { | |
| 47 mState = eState_ASCII; | |
| 48 mPlaneID = 0; | |
| 49 mRunLength = 0; | |
| 50 | |
| 51 return NS_OK; | |
| 52 } | |
| 53 | |
| 54 private: | |
| 55 // State Machine ID | |
| 56 enum { | |
| 57 eState_ASCII, | |
| 58 eState_ESC, // ESC | |
| 59 eState_ESC_24, // ESC $ | |
| 60 | |
| 61 eState_ESC_24_29, // ESC $ ) | |
| 62 eState_ESC_24_29_A, // ESC $ ) A | |
| 63 eState_GB2312_1980, // ESC $ ) A SO | |
| 64 eState_GB2312_1980_2ndbyte, // ESC $ ) A SO | |
| 65 eState_ESC_24_29_A_SO_SI, // ESC $ ) A SO SI | |
| 66 eState_ESC_24_29_G, // ESC $ ) G or H | |
| 67 eState_CNS11643_1, // ESC $ ) G SO | |
| 68 eState_CNS11643_1_2ndbyte, // ESC $ ) G SO | |
| 69 eState_ESC_24_29_G_SO_SI, // ESC $ ) G SO SI | |
| 70 | |
| 71 eState_ESC_24_2A, // ESC $ * | |
| 72 eState_ESC_24_2A_H, // ESC $ * H | |
| 73 eState_ESC_24_2A_H_ESC, // ESC $ * H ESC | |
| 74 eState_CNS11643_2, // ESC $ * H ESC SS2 | |
| 75 eState_CNS11643_2_2ndbyte, // ESC $ * H ESC SS2 | |
| 76 eState_ESC_24_2A_H_ESC_SS2_SI, // ESC $ * H ESC SS2 SI | |
| 77 eState_ESC_24_2A_H_ESC_SS2_SI_ESC, // ESC $ * H ESC SS2 SI ESC | |
| 78 | |
| 79 eState_ESC_24_2B, // ESC $ + | |
| 80 eState_ESC_24_2B_I, // ESC $ + I | |
| 81 eState_ESC_24_2B_I_ESC, // ESC $ + I ESC | |
| 82 eState_CNS11643_3, // ESC $ + I ESC SS3 | |
| 83 eState_CNS11643_3_2ndbyte, // ESC $ + I ESC SS3 | |
| 84 eState_ESC_24_2B_I_ESC_SS3_SI, // ESC $ + I ESC SI | |
| 85 eState_ESC_24_2B_I_ESC_SS3_SI_ESC, // ESC $ + I ESC SI ESC | |
| 86 eState_ERROR | |
| 87 } mState; | |
| 88 | |
| 89 char mData; | |
| 90 | |
| 91 // Plane number for CNS11643 code | |
| 92 int mPlaneID; | |
| 93 | |
| 94 // Length of non-ASCII run | |
| 95 uint32_t mRunLength; | |
| 96 | |
| 97 // Decoder handler | |
| 98 nsCOMPtr<nsIUnicodeDecoder> mGB2312_Decoder; | |
| 99 nsCOMPtr<nsIUnicodeDecoder> mEUCTW_Decoder; | |
| 100 | |
| 101 NS_IMETHOD GB2312_To_Unicode(unsigned char *aSrc, int32_t aSrcLength, | |
| 102 char16_t * aDest, int32_t * aDestLength) ; | |
| 103 | |
| 104 NS_IMETHOD EUCTW_To_Unicode(unsigned char *aSrc, int32_t aSrcLength, | |
| 105 char16_t * aDest, int32_t * aDestLength) ; | |
| 106 }; | |
| 107 #endif // nsISO2022CNToUnicode_h__ |
