From 302bf1b523012e11b60425d6eee1221ebc2724eb Mon Sep 17 00:00:00 2001
From: "Matt A. Tobin" <email@mattatobin.com>
Date: Sun, 3 Nov 2019 00:17:46 -0400
Subject: Issue #1258 - Part 1: Import mailnews, ldap, and mork from
 comm-esr52.9.1

---
 mailnews/import/applemail/src/nsEmlxHelperUtils.h | 55 +++++++++++++++++++++++
 1 file changed, 55 insertions(+)
 create mode 100644 mailnews/import/applemail/src/nsEmlxHelperUtils.h

(limited to 'mailnews/import/applemail/src/nsEmlxHelperUtils.h')

diff --git a/mailnews/import/applemail/src/nsEmlxHelperUtils.h b/mailnews/import/applemail/src/nsEmlxHelperUtils.h
new file mode 100644
index 000000000..728b725b6
--- /dev/null
+++ b/mailnews/import/applemail/src/nsEmlxHelperUtils.h
@@ -0,0 +1,55 @@
+/* -*- 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 nsEmlxHelperUtils_h___
+#define nsEmlxHelperUtils_h___
+
+#include "nscore.h"
+#include "nsStringGlue.h"
+
+class nsIOutputStream;
+class nsIFile;
+
+class nsEmlxHelperUtils {
+  /* All emlx messages have a "flags" number in the metadata. 
+     These are the masks to decode that, found via http://jwz.livejournal.com/505711.html */
+  enum EmlxMetadataMask {
+    kRead       = 1 << 0,  // read
+    // 1 << 1,             // deleted
+    kAnswered   = 1 << 2,  // answered
+    // 1 << 3,             // encrypted
+    kFlagged    = 1 << 4,  // flagged
+    // 1 << 5,             // recent
+    // 1 << 6,             // draft
+    // 1 << 7,             // initial (no longer used)
+    kForwarded  = 1 << 8,  // forwarded
+    // 1 << 9,             // redirected
+    // 3F << 10,           // attachment count (6 bits)
+    // 7F << 16,           // priority level (7 bits)
+    // 1 << 23,            // signed
+    // 1 << 24,            // is junk
+    // 1 << 25,            // is not junk
+    // 1 << 26,            // font size delta 7 (3 bits)
+    // 1 << 29,            // junk mail level recorded 
+    // 1 << 30,            // highlight text in toc
+    // 1 << 31             // (unused)
+  };
+
+  // This method will scan the raw EMLX message buffer for "dangerous" so-called "From-lines" that we need to escape.
+  // If it needs to modify any lines, it will return a non-NULL aOutBuffer. If aOutBuffer is NULL, no modification needed
+  // to be made.
+  static nsresult ConvertToMboxRD(const char *aMessageBufferStart, const char *aMessageBufferEnd, nsCString &aOutBuffer);
+
+  // returns an int representing the X-Mozilla-Status flags set (e.g. "read", "flagged") converted from EMLX flags.
+  static nsresult ConvertToMozillaStatusFlags(const char *aXMLBufferStart, const char *aXMLBufferEnd, uint32_t *aMozillaStatusFlags);
+
+  public:
+
+  // add an .emlx message to the mbox output
+  static nsresult AddEmlxMessageToStream(nsIFile *aEmlxFile, nsIOutputStream *aOutoutStream); 
+
+};
+
+#endif // nsEmlxHelperUtils_h___ 
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