1 // Copyright (c) 2013 The Chromium Authors. All rights reserved.
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 "base/logging.h"
8 #include "base/strings/utf_string_conversions.h"
9 #include "third_party/icu/source/common/unicode/unistr.h"
10
11 namespace base {
12 namespace i18n {
13
14 // Compares the character data stored in two different string16 strings by
15 // specified Collator instance.
CompareString16WithCollator(const icu::Collator & collator,const string16 & lhs,const string16 & rhs)16 UCollationResult CompareString16WithCollator(const icu::Collator& collator,
17 const string16& lhs,
18 const string16& rhs) {
19 UErrorCode error = U_ZERO_ERROR;
20 UCollationResult result = collator.compare(
21 icu::UnicodeString(FALSE, lhs.c_str(), static_cast<int>(lhs.length())),
22 icu::UnicodeString(FALSE, rhs.c_str(), static_cast<int>(rhs.length())),
23 error);
24 DCHECK(U_SUCCESS(error));
25 return result;
26 }
27
28 } // namespace i18n
29 } // namespace base
30