The Tor Browser: extensions/universalchardet/src/base/nsUniversalDetector.h@b8a032363ba2

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

     1 /* -*- Mode: C++; tab-width: 2; 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/. */

     6 #ifndef nsUniversalDetector_h__

     7 #define nsUniversalDetector_h__

     9 class nsCharSetProber;

    11 #define NUM_OF_CHARSET_PROBERS  3

    13 typedef enum {

    14   ePureAscii = 0,

    15   eEscAscii  = 1,

    16   eHighbyte  = 2

    17 } nsInputState;

    19 #define NS_FILTER_CHINESE_SIMPLIFIED  0x01

    20 #define NS_FILTER_CHINESE_TRADITIONAL 0x02

    21 #define NS_FILTER_JAPANESE            0x04

    22 #define NS_FILTER_KOREAN              0x08

    23 #define NS_FILTER_NON_CJK             0x10

    24 #define NS_FILTER_ALL                 0x1F

    25 #define NS_FILTER_CHINESE (NS_FILTER_CHINESE_SIMPLIFIED | \

    26                            NS_FILTER_CHINESE_TRADITIONAL)

    27 #define NS_FILTER_CJK (NS_FILTER_CHINESE_SIMPLIFIED | \

    28                        NS_FILTER_CHINESE_TRADITIONAL | \

    29                        NS_FILTER_JAPANESE | \

    30                        NS_FILTER_KOREAN)

    32 class nsUniversalDetector {

    33 public:

    34    nsUniversalDetector(uint32_t aLanguageFilter);

    35    virtual ~nsUniversalDetector();

    36    virtual nsresult HandleData(const char* aBuf, uint32_t aLen);

    37    virtual void DataEnd(void);

    39 protected:

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

    41    virtual void Reset();

    42    nsInputState  mInputState;

    43    bool    mDone;

    44    bool    mInTag;

    45    bool    mStart;

    46    bool    mGotData;

    47    char    mLastChar;

    48    const char *  mDetectedCharset;

    49    int32_t mBestGuess;

    50    uint32_t mLanguageFilter;

    52    nsCharSetProber  *mCharSetProbers[NUM_OF_CHARSET_PROBERS];

    53    nsCharSetProber  *mEscCharSetProber;

    54 };

    56 #endif

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