- add sources.
[platform/framework/web/crosswalk.git] / src / base / i18n / string_compare.cc
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
10 namespace base {
11 namespace i18n {
12
13 // Compares the character data stored in two different string16 strings by
14 // specified Collator instance.
15 UCollationResult CompareString16WithCollator(const icu::Collator* collator,
16                                              const string16& lhs,
17                                              const string16& rhs) {
18   DCHECK(collator);
19   UErrorCode error = U_ZERO_ERROR;
20   UCollationResult result = collator->compare(
21       static_cast<const UChar*>(lhs.c_str()), static_cast<int>(lhs.length()),
22       static_cast<const UChar*>(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