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import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo

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This commit is contained in:
Roy Tam 2018-01-19 03:59:58 +08:00
commit dcd9973243
150858 changed files with 23884658 additions and 0 deletions
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44
intl/locale/nsUConvPropertySearch.cpp Normal file
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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "nsUConvPropertySearch.h"
#include "nsCRT.h"
#include "nsString.h"
#include "mozilla/BinarySearch.h"
namespace {
struct PropertyComparator
{
const nsCString& mKey;
explicit PropertyComparator(const nsCString& aKey) : mKey(aKey) {}
int operator()(const nsUConvProp& aProperty) const {
return mKey.Compare(aProperty.mKey);
}
};
} // namespace
// static
nsresult
nsUConvPropertySearch::SearchPropertyValue(const nsUConvProp aProperties[],
int32_t aNumberOfProperties,
const nsACString& aKey,
nsACString& aValue)
{
using mozilla::BinarySearchIf;
const nsCString& flat = PromiseFlatCString(aKey);
size_t index;
if (BinarySearchIf(aProperties, 0, aNumberOfProperties,
PropertyComparator(flat), &index)) {
nsDependentCString val(aProperties[index].mValue,
aProperties[index].mValueLength);
aValue.Assign(val);
return NS_OK;
}
aValue.Truncate();
return NS_ERROR_FAILURE;
}