Pull from FB rev 63ce89e2f2301e6bba44a111cc7d4218022156f6

[folly.git] / folly / Unicode.h

diff --git a/folly/Unicode.h b/folly/Unicode.h
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+++ b/folly/Unicode.h
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+/*
+ * Copyright 2012 Facebook, Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+// Some utility routines relating to unicode.
+
+#ifndef FOLLY_UNICODE_H_
+#define FOLLY_UNICODE_H_
+
+#include "folly/FBString.h"
+
+namespace folly {
+
+//////////////////////////////////////////////////////////////////////
+
+/*
+ * Encode a single unicode code point into a UTF-8 byte sequence.
+ *
+ * Return value is undefined if `cp' is an invalid code point.
+ */
+fbstring codePointToUtf8(char32_t cp);
+
+//////////////////////////////////////////////////////////////////////
+
+}
+
+#endif