New header conversion interface

mailnews/mime/public/nsIMimeHeaderConverter.h

@@ -0,0 +1,55 @@
+/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
+ *
+ * The contents of this file are subject to the Netscape Public License
+ * Version 1.0 (the "NPL"); you may not use this file except in
+ * compliance with the NPL.  You may obtain a copy of the NPL at
+ * http://www.mozilla.org/NPL/
+ *
+ * Software distributed under the NPL is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
+ * for the specific language governing rights and limitations under the
+ * NPL.
+ *
+ * The Initial Developer of this code under the NPL is Netscape
+ * Communications Corporation.  Portions created by Netscape are
+ * Copyright (C) 1998 Netscape Communications Corporation.  All Rights
+ * Reserved.
+ */
+ 
+/*
+ * This interface allows any module to access the encoder/decoder 
+ * routines for RFC822 headers. This will allow any mail/news module
+ * to call on these routines.
+ */
+#ifndef nsIMimeHeaderConverter_h_
+#define nsIMimeHeaderConverter_h_
+
+#include "prtypes.h"
+
+// {C09EDB23-B7AF-11d2-B35E-525400E2D63A}
+#define NS_IMIME_HEADER_CONVERTER_IID \
+      { 0xfb953da, 0xd0b5, 0x11d2,   \
+      { 0xb3, 0x73, 0x52, 0x54, 0x0, 0xe2, 0xd6, 0x3a } };
+
+class nsIMimeHeaderConverter : public nsISupports {
+public: 
+  static const nsIID& IID() { static nsIID iid = NS_IMIME_HEADER_CONVERTER_IID; return iid; }
+
+  // These methods are all implemented by libmime to be used by 
+  // modules that need to encode/decode mail headers
+
+  // Decode routine
+  NS_IMETHOD DecodeMimePartIIStr(const char *header, 
+                                 const char *charset, 
+                                 char *decodedString) = 0;
+
+  // Encode routine
+  NS_IMETHOD EncodeMimePartIIStr(const char *header, 
+                                 const char *mailCharset, 
+                                 PRInt32     encodedWordSize, 
+                                 char       *encodedString) = 0;
+}; 
+
+#endif /* nsIMimeHeaderConverter_h_ */
+
+