feat: add DSH IDE open-file references

2026-08-17 11:52:48 +08:00
commit d96c11ae3d
42 changed files with 6991 additions and 0 deletions
@@ -0,0 +1,50 @@
+using System;
+using System.IO;
+using System.Text;
+using Newtonsoft.Json;
+
+namespace Prophet.CoopWithDsh
+{
+    internal sealed class SnapshotPublisher : IDisposable
+    {
+        private readonly object gate = new object();
+        internal string InstanceId { get; } = Guid.NewGuid().ToString("N");
+        internal string FilePath { get; }
+
+        internal SnapshotPublisher(string? localAppData = null)
+        {
+            var root = localAppData ?? Environment.GetFolderPath(Environment.SpecialFolder.LocalApplicationData);
+            if (string.IsNullOrWhiteSpace(root)) throw new InvalidOperationException("LOCALAPPDATA is unavailable.");
+            var directory = Path.Combine(root, "Prophet", "dsh-plugin-coop-with-vs", "v1", "instances");
+            FilePath = Path.Combine(directory, $"visualstudio-{InstanceId}.json");
+        }
+
+        internal void Publish(OpenFileSnapshot snapshot)
+        {
+            lock (gate)
+            {
+                var directory = Path.GetDirectoryName(FilePath)!;
+                Directory.CreateDirectory(directory);
+                var temporary = FilePath + "." + Guid.NewGuid().ToString("N") + ".tmp";
+                File.WriteAllText(temporary, JsonConvert.SerializeObject(snapshot) + Environment.NewLine, new UTF8Encoding(false));
+                try
+                {
+                    if (File.Exists(FilePath)) File.Replace(temporary, FilePath, null);
+                    else File.Move(temporary, FilePath);
+                }
+                catch
+                {
+                    TryDelete(temporary);
+                    throw;
+                }
+            }
+        }
+
+        public void Dispose() => TryDelete(FilePath);
+
+        private static void TryDelete(string path)
+        {
+            try { if (File.Exists(path)) File.Delete(path); } catch { }
+        }
+    }
+}