The Tor Browser: xpcom/ds/nsSupportsArrayEnumerator.cpp@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: 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/. */

     6 #include "nsSupportsArrayEnumerator.h"

     7 #include "nsISupportsArray.h"

     9 nsSupportsArrayEnumerator::nsSupportsArrayEnumerator(nsISupportsArray* array)

    10   : mArray(array), mCursor(0)

    11 {

    12   NS_ASSERTION(array, "null array");

    13   NS_ADDREF(mArray);

    14 }

    16 nsSupportsArrayEnumerator::~nsSupportsArrayEnumerator()

    17 {

    18   NS_RELEASE(mArray);

    19 }

    21 NS_IMPL_ISUPPORTS(nsSupportsArrayEnumerator, nsIBidirectionalEnumerator, nsIEnumerator)

    23 NS_IMETHODIMP

    24 nsSupportsArrayEnumerator::First()

    25 {

    26   mCursor = 0;

    27   uint32_t cnt;

    28   nsresult rv = mArray->Count(&cnt);

    29   if (NS_FAILED(rv)) return rv;

    30   int32_t end = (int32_t)cnt;

    31   if (mCursor < end)

    32     return NS_OK;

    33   else

    34     return NS_ERROR_FAILURE;

    35 }

    37 NS_IMETHODIMP

    38 nsSupportsArrayEnumerator::Next()

    39 {

    40   uint32_t cnt;

    41   nsresult rv = mArray->Count(&cnt);

    42   if (NS_FAILED(rv)) return rv;

    43   int32_t end = (int32_t)cnt;

    44   if (mCursor < end)   // don't count upward forever

    45     mCursor++;

    46   if (mCursor < end)

    47     return NS_OK;

    48   else

    49     return NS_ERROR_FAILURE;

    50 }

    52 NS_IMETHODIMP

    53 nsSupportsArrayEnumerator::CurrentItem(nsISupports **aItem)

    54 {

    55   NS_ASSERTION(aItem, "null out parameter");

    56   uint32_t cnt;

    57   nsresult rv = mArray->Count(&cnt);

    58   if (NS_FAILED(rv)) return rv;

    59   if (mCursor >= 0 && mCursor < (int32_t)cnt) {

    60     return mArray->GetElementAt(mCursor, aItem);

    61   }

    62   return NS_ERROR_FAILURE;

    63 }

    65 NS_IMETHODIMP

    66 nsSupportsArrayEnumerator::IsDone()

    67 {

    68   uint32_t cnt;

    69   nsresult rv = mArray->Count(&cnt);

    70   if (NS_FAILED(rv)) return rv;

    71   // XXX This is completely incompatible with the meaning of nsresult.

    72   // NS_ENUMERATOR_FALSE is defined to be 1.  (bug 778111)

    73   return (mCursor >= 0 && mCursor < (int32_t)cnt)

    74     ? (nsresult)NS_ENUMERATOR_FALSE : NS_OK;

    75 }

    77 ////////////////////////////////////////////////////////////////////////////////

    79 NS_IMETHODIMP

    80 nsSupportsArrayEnumerator::Last()

    81 {

    82   uint32_t cnt;

    83   nsresult rv = mArray->Count(&cnt);

    84   if (NS_FAILED(rv)) return rv;

    85   mCursor = cnt - 1;

    86   return NS_OK;

    87 }

    89 NS_IMETHODIMP

    90 nsSupportsArrayEnumerator::Prev()

    91 {

    92   if (mCursor >= 0)

    93     --mCursor;

    94   if (mCursor >= 0)

    95     return NS_OK;

    96   else

    97     return NS_ERROR_FAILURE;

    98 }

The Tor Browser / file revision

xpcom/ds/nsSupportsArrayEnumerator.cpp@129ffea94266

xpcom/ds/nsSupportsArrayEnumerator.cpp