The Tor Browser: intl/locale/src/nsUConvPropertySearch.cpp@fc2d59ddac77

     1 /* This Source Code Form is subject to the terms of the Mozilla Public

     2  * License, v. 2.0. If a copy of the MPL was not distributed with this

     3  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

     5 #include "nsUConvPropertySearch.h"

     6 #include "nsCRT.h"

     7 #include "nsString.h"

     9 // static

    10 nsresult

    11 nsUConvPropertySearch::SearchPropertyValue(const char* aProperties[][3],

    12                                            int32_t aNumberOfProperties,

    13                                            const nsACString& aKey,

    14                                            nsACString& aValue)

    15 {

    16   const char* key = PromiseFlatCString(aKey).get();

    17   int32_t lo = 0;

    18   int32_t hi = aNumberOfProperties - 1;

    19   while (lo <= hi) {

    20     uint32_t mid = (lo + hi) / 2;

    21     int32_t comp = nsCRT::strcmp(aProperties[mid][0], key);

    22     if (comp > 0) {

    23       hi = mid - 1;

    24     } else if (comp < 0) {

    25       lo = mid + 1;

    26     } else {

    27       nsDependentCString val(aProperties[mid][1],

    28                              NS_PTR_TO_UINT32(aProperties[mid][2]));

    29       aValue.Assign(val);

    30       return NS_OK;

    31     }

    32   }

    33   aValue.Truncate();

    34   return NS_ERROR_FAILURE;

    35 }

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