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+/* -*- 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 nsUTF7ToUnicode_h___
+#define nsUTF7ToUnicode_h___
+
+#include "nsUCSupport.h"
+
+//----------------------------------------------------------------------
+// Class nsBasicUTF7Decoder [declaration]
+
+/**
+ * Basic class for a character set converter from UTF-7 to Unicode.
+ *
+ * @created 03/Jun/1999
+ * @author Catalin Rotaru [CATA]
+ */
+class nsBasicUTF7Decoder : public nsBufferDecoderSupport
+{
+public:
+
+ /**
+ * Class constructor.
+ */
+ nsBasicUTF7Decoder(char aLastChar, char aEscChar);
+
+protected:
+
+ int32_t mEncoding; // current encoding
+ uint32_t mEncBits;
+ int32_t mEncStep;
+ char mLastChar;
+ char mEscChar;
+ bool mFreshBase64;
+
+ nsresult DecodeDirect(const char * aSrc, int32_t * aSrcLength,
+ char16_t * aDest, int32_t * aDestLength);
+ nsresult DecodeBase64(const char * aSrc, int32_t * aSrcLength,
+ char16_t * aDest, int32_t * aDestLength);
+ uint32_t CharToValue(char aChar);
+
+ //--------------------------------------------------------------------
+ // Subclassing of nsBufferDecoderSupport class [declaration]
+
+ NS_IMETHOD ConvertNoBuff(const char * aSrc, int32_t * aSrcLength,
+ char16_t * aDest, int32_t * aDestLength);
+ NS_IMETHOD Reset();
+};
+
+//----------------------------------------------------------------------
+// Class nsUTF7ToUnicode [declaration]
+
+/**
+ * A character set converter from Modified UTF7 to Unicode.
+ *
+ * @created 18/May/1999
+ * @author Catalin Rotaru [CATA]
+ */
+class nsUTF7ToUnicode : public nsBasicUTF7Decoder
+{
+public:
+
+ /**
+ * Class constructor.
+ */
+ nsUTF7ToUnicode();
+
+};
+
+#endif /* nsUTF7ToUnicode_h___ */