The Tor Browser: js/src/yarr/MatchResult.h@129ffea94266

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: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-

     2  * vim: set ts=8 sts=4 et sw=4 tw=99:

     3  *

     4  * Copyright (C) 2012 Apple Inc. All rights reserved.

     5  *

     6  * Redistribution and use in source and binary forms, with or without

     7  * modification, are permitted provided that the following conditions

     8  * are met:

     9  * 1. Redistributions of source code must retain the above copyright

    10  *    notice, this list of conditions and the following disclaimer.

    11  * 2. Redistributions in binary form must reproduce the above copyright

    12  *    notice, this list of conditions and the following disclaimer in the

    13  *    documentation and/or other materials provided with the distribution.

    14  *

    15  * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY

    16  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE

    17  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR

    18  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR

    19  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,

    20  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,

    21  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR

    22  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY

    23  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT

    24  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE

    25  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

    26  */

    28 #ifndef yarr_MatchResult_h

    29 #define yarr_MatchResult_h

    31 #include "yarr/wtfbridge.h"

    33 typedef uint64_t EncodedMatchResult;

    35 struct MatchResult {

    36     MatchResult(int start, int end)

    37         : start(start)

    38         , end(end)

    39     {

    40     }

    42 #if !WTF_CPU_X86_64 || WTF_PLATFORM_WIN

    43     explicit MatchResult(EncodedMatchResult encoded)

    44     {

    45         union u {

    46             uint64_t encoded;

    47             struct s {

    48                 int start;

    49                 int end;

    50             } split;

    51         } value;

    52         value.encoded = encoded;

    53         start = value.split.start;

    54         end = value.split.end;

    55     }

    56 #endif

    58     static MatchResult failed()

    59     {

    60         return MatchResult(int(WTF::notFound), 0);

    61     }

    63     operator bool()

    64     {

    65         return start != int(WTF::notFound);

    66     }

    68     bool empty()

    69     {

    70         return start == end;

    71     }

    73     // strings are limited to a length of 2^28. So this is safe

    74     int start;

    75     int end;

    76 };

    78 #endif /* yarr_MatchResult_h */

The Tor Browser / file revision

js/src/yarr/MatchResult.h@129ffea94266

js/src/yarr/MatchResult.h