1 files changed, 34 insertions, 0 deletions
diff --git a/base/i18n/case_conversion.cc b/base/i18n/case_conversion.cc
new file mode 100644
index 0000000..2dedade
--- /dev/null
+++ b/base/i18n/case_conversion.cc
@@ -0,0 +1,34 @@
+// Copyright (c) 2011 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "base/i18n/case_conversion.h"
+
+#include "base/utf_string_conversions.h"
+#include "unicode/unistr.h"
+
+namespace base {
+namespace i18n {
+
+string16 ToLower(const string16& string) {
+  icu::UnicodeString unicode_string(string.c_str(), string.size());
+  unicode_string.toLower();
+  return string16(unicode_string.getBuffer(), unicode_string.length());
+}
+
+std::wstring WideToLower(const std::wstring& string) {
+  return UTF16ToWide(ToLower(WideToUTF16(string)));
+}
+
+string16 ToUpper(const string16& string) {
+  icu::UnicodeString unicode_string(string.c_str(), string.size());
+  unicode_string.toUpper();
+  return string16(unicode_string.getBuffer(), unicode_string.length());
+}
+
+std::wstring WideToUpper(const std::wstring& string) {
+  return UTF16ToWide(ToUpper(WideToUTF16(string)));
+}
+
+}  // namespace i18n
+}  // namespace base