From 5c36966537860bfa548ff39757786c53241c005e Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Stefan=20K=C3=BCng?= <stefankueng@gmail.com>
Date: Sat, 22 Jul 2023 18:00:29 +0200
Subject: [PATCH] handle empty notes closes #24 and #25

---
 evernote2onenote/src/MainFrm.cs | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/evernote2onenote/src/MainFrm.cs b/evernote2onenote/src/MainFrm.cs
index 217da48..a05a23f 100644
--- a/evernote2onenote/src/MainFrm.cs
+++ b/evernote2onenote/src/MainFrm.cs
@@ -64,6 +64,9 @@ public partial class MainFrm : Form
         private readonly Regex _rxCdata = new Regex(@"<!\[CDATA\[<\?xml version=[""']1.0[""'][^?]*\?>", RegexOptions.IgnoreCase);
         private readonly Regex _rxCdata2 = new Regex(@"<!\[CDATA\[<!DOCTYPE en-note \w+ ""https?://xml.evernote.com/pub/enml2.dtd"">", RegexOptions.IgnoreCase);
         private readonly Regex _rxCdataInner = new Regex(@"\<\!\[CDATA\[(?<text>.*)\]\]\>", RegexOptions.IgnoreCase | RegexOptions.Singleline);
+        private readonly Regex _rxEmptyCdata = new Regex(@"<!\[CDATA\[<\?xml version=[""']1.0[""'][^?]*\?>[\s\n]+\]\]>", RegexOptions.IgnoreCase);
+        private readonly Regex _rxEmptyCdata2 = new Regex(@"<!\[CDATA\[[\s\n]+\]\]>", RegexOptions.IgnoreCase);
+        private readonly Regex _rxEmptyCdata3 = new Regex(@"<!\[CDATA\[>[\s\n]+\]\]>", RegexOptions.IgnoreCase);
         private readonly Regex _rxBodyStart = new Regex(@"<en-note[^>/]*>", RegexOptions.IgnoreCase);
         private readonly Regex _rxBodyEnd = new Regex(@"</en-note\s*>\s*]]>", RegexOptions.IgnoreCase);
         private readonly Regex _rxBodyEmpty = new Regex(@"<en-note[^>/]*/>\s*]]>", RegexOptions.IgnoreCase);
@@ -551,6 +554,9 @@ private void ImportNotesToOnenote(List<Note> notesEvernote, string exportFile)
                             htmlBody = _rxFontFamily.Replace(htmlBody, string.Empty);
                             htmlBody = _rxStyle.Replace(htmlBody, "${text}");
                             htmlBody = _rxComment.Replace(htmlBody, string.Empty);
+                            htmlBody = _rxEmptyCdata.Replace(htmlBody, string.Empty);
+                            htmlBody = _rxEmptyCdata2.Replace(htmlBody, string.Empty);
+                            htmlBody = _rxEmptyCdata3.Replace(htmlBody, string.Empty);
                             htmlBody = _rxCdata.Replace(htmlBody, string.Empty);
                             htmlBody = _rxCdata2.Replace(htmlBody, string.Empty);
                             htmlBody = _rxDtd.Replace(htmlBody, string.Empty);