From 6bf0a5cb5034a7e684dcc3500e841785237ce2dd Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 19:32:43 +0200 Subject: Adding upstream version 1:115.7.0. Signed-off-by: Daniel Baumann --- intl/locale/nsUConvPropertySearch.cpp | 40 +++++++++++++++++++++++++++++++++++ 1 file changed, 40 insertions(+) create mode 100644 intl/locale/nsUConvPropertySearch.cpp (limited to 'intl/locale/nsUConvPropertySearch.cpp') diff --git a/intl/locale/nsUConvPropertySearch.cpp b/intl/locale/nsUConvPropertySearch.cpp new file mode 100644 index 0000000000..114b85e0fe --- /dev/null +++ b/intl/locale/nsUConvPropertySearch.cpp @@ -0,0 +1,40 @@ +/* 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 Compare(mKey, nsDependentCString(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; +} -- cgit v1.2.3