intl/uconv/ucvko/nsISO2022KRToUnicode.h

Sat, 03 Jan 2015 20:18:00 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Sat, 03 Jan 2015 20:18:00 +0100
branch
TOR_BUG_3246
changeset 7
129ffea94266
permissions
-rw-r--r--

Conditionally enable double key logic according to:
private browsing mode or privacy.thirdparty.isolate preference and
implement in GetCookieStringCommon and FindCookie where it counts...
With some reservations of how to convince FindCookie users to test
condition and pass a nullptr when disabling double key logic.

     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 nsISO2022KRToUnicode_h__
     6 #define nsISO2022KRToUnicode_h__
     7 #include "nsUCSupport.h"
     8 #include "mozilla/Telemetry.h"
    10 class nsISO2022KRToUnicode : public nsBasicDecoderSupport
    11 {
    12 public:
    13   nsISO2022KRToUnicode()
    14   { 
    15     mState = mState_Init;
    16     mLastLegalState = mState_ASCII;
    17     mData = 0;
    18     mEUCKRDecoder = nullptr;
    19     mRunLength = 0;
    20     mozilla::Telemetry::Accumulate(
    21       mozilla::Telemetry::DECODER_INSTANTIATED_ISO2022KR, true);
    22   }
    24   virtual ~nsISO2022KRToUnicode()
    25   {
    26     NS_IF_RELEASE(mEUCKRDecoder);
    27   }
    29   NS_IMETHOD Convert(const char * aSrc, int32_t * aSrcLength,
    30      char16_t * aDest, int32_t * aDestLength) ;
    32   NS_IMETHOD GetMaxLength(const char * aSrc, int32_t aSrcLength,
    33      int32_t * aDestLength) 
    34   {
    35     *aDestLength = aSrcLength;
    36     return NS_OK;
    37   }
    39   NS_IMETHOD Reset()
    40   {
    41     mState = mState_Init;
    42     mLastLegalState = mState_ASCII;
    43     mRunLength = 0;
    44     return NS_OK;
    45   }
    47 private:
    48   enum {
    49     mState_Init,
    50     mState_ASCII,
    51     mState_ESC,
    52     mState_ESC_24,
    53     mState_ESC_24_29,
    54     mState_KSX1001_1992,
    55     mState_KSX1001_1992_2ndbyte,
    56     mState_ERROR
    57   } mState, mLastLegalState;
    59   uint8_t mData;
    61   // Length of non-ASCII run
    62   uint32_t mRunLength;
    64   nsIUnicodeDecoder *mEUCKRDecoder;
    65 };
    66 #endif // nsISO2022KRToUnicode_h__

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