Use RegexGenerator where possible

5 files changed, 25 insertions, 10 deletions

diff --git a/MediaBrowser.MediaEncoding/Subtitles/AssWriter.cs b/MediaBrowser.MediaEncoding/Subtitles/AssWriter.cs
index 0d1cf6e258..7d7b80e99d 100644
--- a/MediaBrowser.MediaEncoding/Subtitles/AssWriter.cs
+++ b/MediaBrowser.MediaEncoding/Subtitles/AssWriter.cs
@@ -11,8 +11,11 @@ namespace MediaBrowser.MediaEncoding.Subtitles
     /// <summary>
     /// ASS subtitle writer.
     /// </summary>
-    public class AssWriter : ISubtitleWriter
+    public partial class AssWriter : ISubtitleWriter
     {
+        [GeneratedRegex(@"\n", RegexOptions.IgnoreCase)]
+        private static partial Regex NewLineRegex();
+
         /// <inheritdoc />
         public void Write(SubtitleTrackInfo info, Stream stream, CancellationToken cancellationToken)
         {
@@ -40,7 +43,7 @@ namespace MediaBrowser.MediaEncoding.Subtitles
                     var trackEvent = trackEvents[i];
                     var startTime = TimeSpan.FromTicks(trackEvent.StartPositionTicks).ToString(timeFormat, CultureInfo.InvariantCulture);
                     var endTime = TimeSpan.FromTicks(trackEvent.EndPositionTicks).ToString(timeFormat, CultureInfo.InvariantCulture);
-                    var text = Regex.Replace(trackEvent.Text, @"\n", "\\n", RegexOptions.IgnoreCase);
+                    var text = NewLineRegex().Replace(trackEvent.Text, "\\n");
 
                     writer.WriteLine(
                         "Dialogue: 0,{0},{1},Default,{2}",
diff --git a/MediaBrowser.MediaEncoding/Subtitles/SrtWriter.cs b/MediaBrowser.MediaEncoding/Subtitles/SrtWriter.cs
index 143c010b71..86f77aa067 100644
--- a/MediaBrowser.MediaEncoding/Subtitles/SrtWriter.cs
+++ b/MediaBrowser.MediaEncoding/Subtitles/SrtWriter.cs
@@ -11,8 +11,11 @@ namespace MediaBrowser.MediaEncoding.Subtitles
     /// <summary>
     /// SRT subtitle writer.
     /// </summary>
-    public class SrtWriter : ISubtitleWriter
+    public partial class SrtWriter : ISubtitleWriter
     {
+        [GeneratedRegex(@"\\n", RegexOptions.IgnoreCase)]
+        private static partial Regex NewLineEscapedRegex();
+
         /// <inheritdoc />
         public void Write(SubtitleTrackInfo info, Stream stream, CancellationToken cancellationToken)
         {
@@ -35,7 +38,7 @@ namespace MediaBrowser.MediaEncoding.Subtitles
                     var text = trackEvent.Text;
 
                     // TODO: Not sure how to handle these
-                    text = Regex.Replace(text, @"\\n", " ", RegexOptions.IgnoreCase);
+                    text = NewLineEscapedRegex().Replace(text, " ");
 
                     writer.WriteLine(text);
                     writer.WriteLine();
diff --git a/MediaBrowser.MediaEncoding/Subtitles/SsaWriter.cs b/MediaBrowser.MediaEncoding/Subtitles/SsaWriter.cs
index 6761cd3099..b5fd1ed935 100644
--- a/MediaBrowser.MediaEncoding/Subtitles/SsaWriter.cs
+++ b/MediaBrowser.MediaEncoding/Subtitles/SsaWriter.cs
@@ -11,8 +11,11 @@ namespace MediaBrowser.MediaEncoding.Subtitles
     /// <summary>
     /// SSA subtitle writer.
     /// </summary>
-    public class SsaWriter : ISubtitleWriter
+    public partial class SsaWriter : ISubtitleWriter
     {
+        [GeneratedRegex(@"\n", RegexOptions.IgnoreCase)]
+        private static partial Regex NewLineRegex();
+
         /// <inheritdoc />
         public void Write(SubtitleTrackInfo info, Stream stream, CancellationToken cancellationToken)
         {
@@ -40,7 +43,7 @@ namespace MediaBrowser.MediaEncoding.Subtitles
                     var trackEvent = trackEvents[i];
                     var startTime = TimeSpan.FromTicks(trackEvent.StartPositionTicks).ToString(timeFormat, CultureInfo.InvariantCulture);
                     var endTime = TimeSpan.FromTicks(trackEvent.EndPositionTicks).ToString(timeFormat, CultureInfo.InvariantCulture);
-                    var text = Regex.Replace(trackEvent.Text, @"\n", "\\n", RegexOptions.IgnoreCase);
+                    var text = NewLineRegex().Replace(trackEvent.Text, "\\n");
 
                     writer.WriteLine(
                         "Dialogue: 0,{0},{1},Default,{2}",
diff --git a/MediaBrowser.MediaEncoding/Subtitles/TtmlWriter.cs b/MediaBrowser.MediaEncoding/Subtitles/TtmlWriter.cs
index e5c785bc57..ea45f2070a 100644
--- a/MediaBrowser.MediaEncoding/Subtitles/TtmlWriter.cs
+++ b/MediaBrowser.MediaEncoding/Subtitles/TtmlWriter.cs
@@ -9,8 +9,11 @@ namespace MediaBrowser.MediaEncoding.Subtitles
     /// <summary>
     /// TTML subtitle writer.
     /// </summary>
-    public class TtmlWriter : ISubtitleWriter
+    public partial class TtmlWriter : ISubtitleWriter
     {
+        [GeneratedRegex(@"\\n", RegexOptions.IgnoreCase)]
+        private static partial Regex NewLineEscapeRegex();
+
         /// <inheritdoc />
         public void Write(SubtitleTrackInfo info, Stream stream, CancellationToken cancellationToken)
         {
@@ -38,7 +41,7 @@ namespace MediaBrowser.MediaEncoding.Subtitles
                 {
                     var text = trackEvent.Text;
 
-                    text = Regex.Replace(text, @"\\n", "<br/>", RegexOptions.IgnoreCase);
+                    text = NewLineEscapeRegex().Replace(text, "<br/>");
 
                     writer.WriteLine(
                         "<p begin=\"{0}\" dur=\"{1}\">{2}</p>",
diff --git a/MediaBrowser.MediaEncoding/Subtitles/VttWriter.cs b/MediaBrowser.MediaEncoding/Subtitles/VttWriter.cs
index 38ef57dee3..3e0f47b5ae 100644
--- a/MediaBrowser.MediaEncoding/Subtitles/VttWriter.cs
+++ b/MediaBrowser.MediaEncoding/Subtitles/VttWriter.cs
@@ -10,8 +10,11 @@ namespace MediaBrowser.MediaEncoding.Subtitles
     /// <summary>
     /// Subtitle writer for the WebVTT format.
     /// </summary>
-    public class VttWriter : ISubtitleWriter
+    public partial class VttWriter : ISubtitleWriter
     {
+        [GeneratedRegex(@"\\n", RegexOptions.IgnoreCase)]
+        private static partial Regex NewlineEscapeRegex();
+
         /// <inheritdoc />
         public void Write(SubtitleTrackInfo info, Stream stream, CancellationToken cancellationToken)
         {
@@ -39,7 +42,7 @@ namespace MediaBrowser.MediaEncoding.Subtitles
                     var text = trackEvent.Text;
 
                     // TODO: Not sure how to handle these
-                    text = Regex.Replace(text, @"\\n", " ", RegexOptions.IgnoreCase);
+                    text = NewlineEscapeRegex().Replace(text, " ");
 
                     writer.WriteLine(text);
                     writer.WriteLine();