import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo

intl/uconv/ucvtw/nsUnicodeToBIG5.h

@@ -0,0 +1,50 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef nsUnicodeToBIG5_h_
+#define nsUnicodeToBIG5_h_
+
+#include "nsIUnicodeEncoder.h"
+
+#define NS_UNICODETOBIG5_CID \
+  { 0xefc323e2, 0xec62, 0x11d2, \
+    { 0x8a, 0xac, 0x0, 0x60, 0x8, 0x11, 0xa8, 0x36 } }
+
+class nsUnicodeToBIG5 : public nsIUnicodeEncoder
+{
+public:
+  // Encoders probably shouldn't use the thread-safe variant, but we should
+  // make a systematic change instead of making this class different.
+  NS_DECL_THREADSAFE_ISUPPORTS
+
+  nsUnicodeToBIG5();
+
+  NS_IMETHOD Convert(const char16_t* aSrc,
+                     int32_t* aSrcLength,
+                     char* aDest,
+                     int32_t * aDestLength) override;
+
+  NS_IMETHOD Finish(char* aDest,
+                    int32_t* aDestLength) override;
+
+  MOZ_MUST_USE NS_IMETHOD GetMaxLength(const char16_t* aSrc,
+                                       int32_t aSrcLength,
+                                       int32_t* aDestLength) override;
+
+  NS_IMETHOD Reset() override;
+
+  NS_IMETHOD SetOutputErrorBehavior(int32_t aBehavior,
+                                    nsIUnicharEncoder* aEncoder,
+                                    char16_t aChar) override;
+
+private:
+  virtual ~nsUnicodeToBIG5(){};
+
+  char16_t mUtf16Lead;
+  uint8_t  mPendingTrail;
+  bool     mSignal;
+};
+
+#endif /* nsUnicodeToBIG5_h_ */