Add debugging launch and optimize file name generation

Enable on-demand debugger launch in debug mode to facilitate development. Simplify and streamline export file name logic by removing redundant operations and improving clarity.

Author: ivandrofly

source/SaveAllFormat/EntryPoint.cs

@@ -1,4 +1,5 @@
-using System.IO;
+using System.Diagnostics;
+using System.IO;
 using System.Windows.Forms;
 using Nikse.SubtitleEdit.Core.Common;
 using Nikse.SubtitleEdit.Core.SubtitleFormats;
@@ -16,6 +17,12 @@ public class ExportAllFormats : IPlugin
 
         public string DoAction(Form parentForm, string srtText, double frameRate, string uiLineBreak, string file, string videoFile, string rawText)
         {
+#if DEBUG
+            if (!Debugger.IsAttached)
+            {
+                Debugger.Launch();
+            }
+#endif
             // subtitle not loaded
             if (string.IsNullOrWhiteSpace(srtText))
             {

source/SaveAllFormat/Main.cs

@@ -81,16 +81,16 @@ await Task.Run(() =>
                 {
                     try
                     {
-                        var outputFileName = Path.Combine(_exportLocation, GetExportFileName(_subtitle.FileName, exportFormat.Name, exportFormat.Extension));
-                        var content = exportFormat.ToText(_subtitle, _subtitle.FileName);
+                        string outputFileName = Path.Combine(_exportLocation, GetExportFileName(_subtitle.FileName, exportFormat.Name, exportFormat.Extension));
+                        string content = exportFormat.ToText(_subtitle, _subtitle.FileName);
                         File.WriteAllText(outputFileName, content, Encoding.UTF8);
                     }
                     catch (Exception ex)
                     {
                         Trace.WriteLine(ex.Message);
                     }
                 });
-                SpinWait.SpinUntil(() => parallelLoopResult.IsCompleted);
+                // SpinWait.SpinUntil(() => parallelLoopResult.IsCompleted);
             }).ConfigureAwait(true);
 
             Process.Start("explorer", $"\"{_exportLocation}\"");
@@ -99,21 +99,16 @@ await Task.Run(() =>
 
         private static string GetExportFileName(string file, string formatName, string extension)
         {
-            if (string.IsNullOrWhiteSpace(file))
-            {
-                return Path.GetRandomFileName() + extension;
-            }
+            string newName = string.IsNullOrWhiteSpace(file)
+                ? Path.GetFileNameWithoutExtension(Path.GetRandomFileName()) + "_" + formatName + extension
+                : $"{Path.GetFileNameWithoutExtension(file)}_{formatName}{extension}";
 
-            string fileName = Path.GetFileNameWithoutExtension(file);
-            string newName = $"{fileName}_{formatName}{extension}";
-            foreach (var ch in Path.GetInvalidFileNameChars().Concat(Path.GetInvalidPathChars()))
+            foreach (char ch in Path.GetInvalidFileNameChars().Concat(Path.GetInvalidPathChars()))
             {
                 newName = newName.Replace(ch.ToString(), "_");
             }
 
-            newName = newName.Replace(" ", "-");
-            newName = newName.Replace(" ", "-");
-            return newName;
+            return newName.Replace(" ", "-");
         }
     }
-}
+}