1 files changed, 28 insertions, 0 deletions
diff --git a/core/fxcrt/cfx_utf8decoder.h b/core/fxcrt/cfx_utf8decoder.h
new file mode 100644
index 0000000000..50c2a3966d
--- /dev/null
+++ b/core/fxcrt/cfx_utf8decoder.h
@@ -0,0 +1,28 @@
+// Copyright 2017 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#ifndef CORE_FXCRT_CFX_UTF8DECODER_H_
+#define CORE_FXCRT_CFX_UTF8DECODER_H_
+
+#include "core/fxcrt/fx_basic.h"
+
+class CFX_UTF8Decoder {
+ public:
+  CFX_UTF8Decoder() { m_PendingBytes = 0; }
+
+  void Clear();
+  void Input(uint8_t byte);
+  void AppendCodePoint(uint32_t ch);
+  void ClearStatus() { m_PendingBytes = 0; }
+  CFX_WideStringC GetResult() const { return m_Buffer.AsStringC(); }
+
+ private:
+  int m_PendingBytes;
+  uint32_t m_PendingChar;
+  CFX_WideTextBuf m_Buffer;
+};
+
+#endif  // CORE_FXCRT_CFX_UTF8DECODER_H_