1 // Copyright 2013 The Chromium Authors
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4
5 #include "base/i18n/string_compare.h"
6
7 #include <string_view>
8
9 #include "base/check.h"
10 #include "base/strings/utf_string_conversions.h"
11 #include "third_party/icu/source/common/unicode/unistr.h"
12
13 namespace base {
14 namespace i18n {
15
16 // Compares the character data stored in two different std::u16string strings by
17 // specified Collator instance.
CompareString16WithCollator(const icu::Collator & collator,std::u16string_view lhs,std::u16string_view rhs)18 UCollationResult CompareString16WithCollator(const icu::Collator& collator,
19 std::u16string_view lhs,
20 std::u16string_view rhs) {
21 UErrorCode error = U_ZERO_ERROR;
22 UCollationResult result = collator.compare(
23 icu::UnicodeString(false, lhs.data(), static_cast<int>(lhs.length())),
24 icu::UnicodeString(false, rhs.data(), static_cast<int>(rhs.length())),
25 error);
26 DCHECK(U_SUCCESS(error));
27 return result;
28 }
29
30 } // namespace i18n
31 } // namespace base
32