The Tor Browser: intl/chardet/src/nsCyrillicDetector.h@b8a032363ba2

Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6

     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 nsCyrillicDetector_h__

     6 #define nsCyrillicDetector_h__

     8 #include "nsCyrillicClass.h"

    13 // {2002F781-3960-11d3-B3C3-00805F8A6670}

    14 #define NS_RU_PROBDETECTOR_CID \

    15 { 0x2002f781, 0x3960, 0x11d3, { 0xb3, 0xc3, 0x0, 0x80, 0x5f, 0x8a, 0x66, 0x70 } }

    18 // {2002F782-3960-11d3-B3C3-00805F8A6670}

    19 #define NS_UK_PROBDETECTOR_CID \

    20 { 0x2002f782, 0x3960, 0x11d3, { 0xb3, 0xc3, 0x0, 0x80, 0x5f, 0x8a, 0x66, 0x70 } }

    22 // {2002F783-3960-11d3-B3C3-00805F8A6670}

    23 #define NS_RU_STRING_PROBDETECTOR_CID \

    24 { 0x2002f783, 0x3960, 0x11d3, { 0xb3, 0xc3, 0x0, 0x80, 0x5f, 0x8a, 0x66, 0x70 } }

    26 // {2002F784-3960-11d3-B3C3-00805F8A6670}

    27 #define NS_UK_STRING_PROBDETECTOR_CID \

    28 { 0x2002f784, 0x3960, 0x11d3, { 0xb3, 0xc3, 0x0, 0x80, 0x5f, 0x8a, 0x66, 0x70 } }

    30 static const uint8_t *gCyrillicCls[5] =

    31 {

    32    CP1251Map,

    33    KOI8Map,

    34    ISO88595Map,

    35    MacCyrillicMap,

    36    IBM866Map

    37 };

    39 static const char * gRussian[5] = {

    40   "windows-1251",

    41   "KOI8-R",

    42   "ISO-8859-5",

    43   "x-mac-cyrillic",

    44   "IBM866"

    45 };

    47 static const char * gUkrainian[5] = {

    48   "windows-1251",

    49   "KOI8-U",

    50   "ISO-8859-5",

    51   "x-mac-cyrillic",

    52   "IBM866"

    53 };

    55 #define NUM_CYR_CHARSET 5

    57 class nsCyrillicDetector

    58 {

    59   public:

    60     nsCyrillicDetector(uint8_t aItems,

    61                       const uint8_t ** aCyrillicClass,

    62                       const char **aCharsets) {

    63       mItems = aItems;

    64       mCyrillicClass = aCyrillicClass;

    65       mCharsets = aCharsets;

    66       for(unsigned i=0;i<mItems;i++)

    67         mProb[i] = mLastCls[i] =0;

    68       mDone = false;

    69     }

    70     virtual ~nsCyrillicDetector() {}

    71     virtual void HandleData(const char* aBuf, uint32_t aLen);

    72     virtual void   DataEnd();

    73   protected:

    74     virtual void Report(const char* aCharset) = 0;

    75     bool    mDone;

    77   private:

    78     uint8_t  mItems;

    79     const uint8_t ** mCyrillicClass;

    80     const char** mCharsets;

    81     uint32_t mProb[NUM_CYR_CHARSET];

    82     uint8_t mLastCls[NUM_CYR_CHARSET];

    83 };

    85 class nsCyrXPCOMDetector :

    86       public nsCyrillicDetector,

    87       public nsICharsetDetector

    88 {

    89   public:

    90     // nsISupports interface

    91     NS_DECL_ISUPPORTS

    92     nsCyrXPCOMDetector(uint8_t aItems,

    93                       const uint8_t ** aCyrillicClass,

    94                       const char **aCharsets);

    95     virtual ~nsCyrXPCOMDetector();

    96     NS_IMETHOD Init(nsICharsetDetectionObserver* aObserver);

    97     NS_IMETHOD DoIt(const char* aBuf, uint32_t aLen, bool *oDontFeedMe);

    98     NS_IMETHOD Done();

    99   protected:

   100     virtual void Report(const char* aCharset);

   101   private:

   102     nsCOMPtr<nsICharsetDetectionObserver> mObserver;

   103 };

   105 class nsCyrXPCOMStringDetector :

   106       public nsCyrillicDetector,

   107       public nsIStringCharsetDetector

   108 {

   109   public:

   110     // nsISupports interface

   111     NS_DECL_ISUPPORTS

   112     nsCyrXPCOMStringDetector(uint8_t aItems,

   113                       const uint8_t ** aCyrillicClass,

   114                       const char **aCharsets);

   115     virtual ~nsCyrXPCOMStringDetector();

   116     NS_IMETHOD DoIt(const char* aBuf, uint32_t aLen,

   117                      const char** oCharset, nsDetectionConfident &oConf);

   118   protected:

   119     virtual void Report(const char* aCharset);

   120   private:

   121     nsCOMPtr<nsICharsetDetectionObserver> mObserver;

   122     const char* mResult;

   123 };

   125 class nsRUProbDetector : public nsCyrXPCOMDetector

   126 {

   127   public:

   128     nsRUProbDetector()

   129       : nsCyrXPCOMDetector(5, gCyrillicCls, gRussian) {}

   130 };

   132 class nsRUStringProbDetector : public nsCyrXPCOMStringDetector

   133 {

   134   public:

   135     nsRUStringProbDetector()

   136       : nsCyrXPCOMStringDetector(5, gCyrillicCls, gRussian) {}

   137 };

   139 class nsUKProbDetector : public nsCyrXPCOMDetector

   140 {

   141   public:

   142     nsUKProbDetector()

   143       : nsCyrXPCOMDetector(5, gCyrillicCls, gUkrainian) {}

   144 };

   146 class nsUKStringProbDetector : public nsCyrXPCOMStringDetector

   147 {

   148   public:

   149     nsUKStringProbDetector()

   150       : nsCyrXPCOMStringDetector(5, gCyrillicCls, gUkrainian) {}

   151 };

   153 #endif

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