Add new subtitle format - thx Gunnar :)

libse/LibSE.csproj

@@ -228,6 +228,7 @@
     <Compile Include="SubtitleFormats\Cmaft.cs" />
     <Compile Include="SubtitleFormats\Csv5.cs" />
     <Compile Include="SubtitleFormats\DvdStudioProSpaceOneSemicolon.cs" />
+    <Compile Include="SubtitleFormats\UnknownSubtitle85.cs" />
     <Compile Include="SubtitleFormats\JacoSub.cs" />
     <Compile Include="SubtitleFormats\JsonType11.cs" />
     <Compile Include="SubtitleFormats\TimeCodesOnly1.cs" />

libse/StringExtensions.cs

@@ -245,6 +245,11 @@ namespace Nikse.SubtitleEdit.Core
         }
 
         public static string ToRtf(this string value)
+        {
+            return @"{\rtf1\ansi\ansicpg1252\deff0{\fonttbl\f0\fswiss Helvetica;}\f0\pard " + value.ToRtfPart() + @"\par" + Environment.NewLine + "}";
+        }
+
+        public static string ToRtfPart(this string value)
         {
             // special RTF chars
             var backslashed = new StringBuilder(value);
@@ -262,8 +267,7 @@ namespace Nikse.SubtitleEdit.Core
                 else
                     sb.Append("\\u" + Convert.ToUInt32(character) + "?");
             }
-
-            return @"{\rtf1\ansi\ansicpg1252\deff0{\fonttbl\f0\fswiss Helvetica;}\f0\pard " + sb + @"\par" + Environment.NewLine + "}";
+            return sb.ToString();
         }
 
         public static string FromRtf(this string value)

libse/SubtitleFormats/SubtitleFormat.cs

@@ -258,6 +258,7 @@ namespace Nikse.SubtitleEdit.Core.SubtitleFormats
                     new UnknownSubtitle82(),
                     new UnknownSubtitle83(),
                     new UnknownSubtitle84(),
+                    new UnknownSubtitle85(),
                 };
 
                 string path = Configuration.PluginsDirectory;

libse/SubtitleFormats/UnknownSubtitle85.cs

@@ -0,0 +1,105 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Text.RegularExpressions;
+
+namespace Nikse.SubtitleEdit.Core.SubtitleFormats
+{
+    public class UnknownSubtitle85 : SubtitleFormat
+    {
+        // 0001 00:00:30:10 00:00:33:11 27
+        private static readonly Regex RegexTimeCode1 = new Regex(@"\d+ \d\d:\d\d:\d\d:\d\d \d\d:\d\d:\d\d:\d\d \d+", RegexOptions.Compiled);
+
+        public override string Extension => ".rtf";
+
+        public override string Name => "Unknown 85";
+
+        private static string MakeTimeCode(TimeCode tc)
+        {
+            return $"{tc.Hours:00}:{tc.Minutes:00}:{tc.Seconds:00}:{MillisecondsToFramesMaxFrameRate(tc.Milliseconds):00}";
+        }
+
+        public override string ToText(Subtitle subtitle, string title)
+        {
+            var sb = new StringBuilder();
+            sb.AppendLine(@"{\rtf1\ansi\ansicpg1252\deff0\deflang1039{\fonttbl{\f0\fnil Arial;}}
+{\colortbl ;\red0\green0\blue0;}
+\viewkind4\uc1\pard\b\f0\fs24 [Header]\par
+Max Characters Per Line: 36\par
+Frame Rate: 25 fps\par
+TimeCode Format: 25 frames/sec\par
+[/Header]\par
+\par
+\par");
+            sb.AppendLine();
+            int count = 1;
+            foreach (Paragraph p in subtitle.Paragraphs)
+            {
+                string text = HtmlUtil.RemoveHtmlTags(p.Text);
+                sb.AppendLine($"\\pard {count:0000} {MakeTimeCode(p.StartTime)} {MakeTimeCode(p.EndTime)} 27 \\par"); // \pard 0001 00:00:30:10 00:00:33:11 27\par
+                sb.AppendLine("\\par");
+                sb.AppendLine($"\\pard\\qc\\cf1\\outl {text.ToRtfPart()}\\par");
+                sb.AppendLine("\\cf0\\outl0\\par");
+                count++;
+            }
+            sb.AppendLine("}");
+            return sb.ToString();
+        }
+
+        public override void LoadSubtitle(Subtitle subtitle, List<string> lines, string fileName)
+        {
+            _errorCount = 0;
+            var sb = new StringBuilder();
+            foreach (string line in lines)
+                sb.AppendLine(line);
+
+            string rtf = sb.ToString().Trim();
+            if (!rtf.StartsWith("{\\rtf", StringComparison.Ordinal))
+                return;
+
+            lines = rtf.FromRtf().SplitToLines().ToList();
+            _errorCount = 0;
+            Paragraph p = null;
+            char[] splitChars = { ':', ';', ',' };
+            foreach (string line in lines)
+            {
+                string s = line.TrimEnd();
+                if (RegexTimeCode1.IsMatch(s))
+                {
+                    try
+                    {
+                        if (p != null)
+                            subtitle.Paragraphs.Add(p);
+                        string[] arr = s.Split(' ');
+                        p = new Paragraph(DecodeTimeCodeFrames(arr[1], splitChars), DecodeTimeCodeFrames(arr[2], splitChars), string.Empty);
+                    }
+                    catch
+                    {
+                        _errorCount++;
+                        p = null;
+                    }
+                }
+                else if (s.Length > 0 && p != null)
+                {
+                    p.Text = (p.Text + Environment.NewLine + s.TrimStart()).Trim();
+                }
+                else if (s.Length > 0)
+                {
+                    _errorCount++;
+                }
+            }
+            if (p != null)
+                subtitle.Paragraphs.Add(p);
+
+            if (subtitle.Paragraphs.Count > 0)
+            {
+                p = subtitle.Paragraphs[subtitle.Paragraphs.Count - 1];
+                p.EndTime.TotalMilliseconds = p.StartTime.TotalMilliseconds + Utilities.GetOptimalDisplayMilliseconds(p.Text);
+            }
+            subtitle.RemoveEmptyLines();
+            subtitle.Renumber();
+        }
+
+    }
+}