Adding a new XP-COM interface to libmime.

mailnews/mime/src/nsMimeObjectClassAccess.cpp

@@ -0,0 +1,127 @@
+/* -*- Mode: C++; tab-width: 2; 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.
+ */
+#include "nsIFactory.h"
+#include "nsISupports.h"
+#include "nsISupports.h"
+#include "nsIStreamConverter.h"
+#include "nsRFC822toHTMLStreamConverter.h"
+
+/* 
+ * These macros are used to define a class IID for our component. Our 
+ * object currently supports the nsRFC822toHTMLStreamConverter so we want 
+ * to define constants for these two interfaces 
+ */
+static NS_DEFINE_IID(kIStreamConverter, NS_ISTREAM_CONVERTER_IID);
+
+/* 
+ * This function will be used by the factory to generate an 
+ * RFC822 Converter....
+ */
+nsresult NS_NewRFC822HTMLConverter(nsIStreamConverter** aInstancePtrResult)
+{
+	/* note this new macro for assertions...they can take a string describing the assertion */
+	nsresult result = NS_OK;
+	NS_PRECONDITION(nsnull != aInstancePtrResult, "nsnull ptr");
+	if (nsnull != aInstancePtrResult)
+	{
+		nsRFC822toHTMLStreamConverter *converter = new nsRFC822toHTMLStreamConverter();
+		if (converter)
+			return converter->QueryInterface(kIStreamConverter, (void**) aInstancePtrResult);
+		else
+			return NS_ERROR_OUT_OF_MEMORY; /* we couldn't allocate the object */
+	}
+	else
+		return NS_ERROR_NULL_POINTER; /* aInstancePtrResult was NULL....*/
+}
+
+
+/* 
+ * The following macros actually implement addref, release and 
+ * query interface for our component. 
+ */
+NS_IMPL_ADDREF(nsRFC822toHTMLStreamConverter)
+NS_IMPL_RELEASE(nsRFC822toHTMLStreamConverter)
+NS_IMPL_QUERY_INTERFACE(nsRFC822toHTMLStreamConverter, kIStreamConverter); /* we need to pass in the interface ID of this interface */
+
+/*
+ * nsRFC822toHTMLStreamConverter definitions....
+ */
+
+/* 
+ * Inherited methods for nsIStreamConverter 
+ */
+nsRFC822toHTMLStreamConverter::nsRFC822toHTMLStreamConverter()
+{
+  /* the following macro is used to initialize the ref counting data */
+  NS_INIT_REFCNT();
+}
+
+nsRFC822toHTMLStreamConverter::~nsRFC822toHTMLStreamConverter()
+{
+}
+
+#include "stdio.h"
+/* 
+ * Inherited methods for nsIStreamListener 
+ */
+nsresult nsRFC822toHTMLStreamConverter::SetOutputStream(nsIOutputStream *) 
+{
+  /* 
+  return mime_some_fun_call();
+   */
+  int x = 1;
+
+  printf("Setting that output stream!\n");
+  return NS_OK;
+}
+
+nsresult nsRFC822toHTMLStreamConverter::SetOutputListener(nsIStreamListener *)
+{
+  return NS_OK;
+}
+
+nsresult nsRFC822toHTMLStreamConverter::OnStartBinding(nsIURL *,const char *)
+{
+  return NS_OK;
+}
+
+nsresult nsRFC822toHTMLStreamConverter::OnProgress(nsIURL *,unsigned int,unsigned int) 
+{
+  return NS_OK;
+}
+
+nsresult nsRFC822toHTMLStreamConverter::OnStatus(nsIURL *,const unsigned short *)
+{
+  return NS_OK;
+}
+
+nsresult nsRFC822toHTMLStreamConverter::OnStopBinding(nsIURL *,unsigned int,const unsigned short *) 
+{
+  return NS_OK;
+}
+
+nsresult nsRFC822toHTMLStreamConverter::GetBindInfo(nsIURL *,struct nsStreamBindingInfo *)
+{
+  return NS_OK;
+}
+
+nsresult nsRFC822toHTMLStreamConverter::OnDataAvailable(nsIURL *, nsIInputStream *,unsigned int)
+{
+  return NS_OK;
+}
+

mailnews/mime/src/nsMimeObjectClassAccess.h

@@ -0,0 +1,65 @@
+/* -*- 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 is implemented by libmime. This interface is used by 
+ * a Content-Type handler "Plug In" (i.e. vCard) for accessing various 
+ * internal information about the object class system of libmime. When 
+ * libmime progresses to a C++ object class, this would probably change.
+ */
+#ifndef nsMimeObjectClassAccess_h_
+#define nsMimeObjectClassAccess_h_
+
+#include "prtypes.h"
+#include "nsIMimeObjectClassAccess.h"
+
+//
+// This is to access the object class of libmime which is what
+// this interface is focused on. 
+//
+#include "mimei.h"
+#include "modmime.h"
+#include "mimeobj.h"	/*  MimeObject (abstract)							*/
+#include "mimecont.h"	/*   |--- MimeContainer (abstract)					*/
+#include "mimemult.h"	/*   |     |--- MimeMultipart (abstract)			*/
+#include "mimemsig.h"	/*   |     |     |--- MimeMultipartSigned (abstract)*/
+#include "mimetext.h"	/*   |     |--- MimeInlineText (abstract)			*/
+
+class nsMimeObjectClassAccess { 
+
+public: 
+  // These methods are all implemented by libmime to be used by 
+  // content type handler plugins for processing stream data. 
+
+  // This is the write call for outputting processed stream data.
+  NS_IMETHOD    MimeObjectWrite(MimeObject *obj, 
+                                char *data, 
+                                PRInt32 length, 
+                                PRBool user_visible_p) = 0;
+
+  // The following group of calls expose the pointers for the object
+  // system within libmime.
+  NS_IMETHOD    GetmimeInlineTextClass(MimeInlineTextClass **ptr);
+  NS_IMETHOD    GetmimeLeafClass(MimeLeafClass **ptr);
+  NS_IMETHOD    GetmimeObjectClass(MimeObjectClass **ptr);
+  NS_IMETHOD    GetmimeContainerClass(MimeContainerClass **ptr);
+  NS_IMETHOD    GetmimeMultipartClass(MimeMultipartClass **ptr);
+  NS_IMETHOD    GetmimeMultipartSignedClass(MimeMultipartSignedClass **ptr);
+}; 
+
+#endif /* nsMimeObjectClassAccess_h_ */