修复结构体对象每次获取都被复制一份导致写入日志失败

dotnet-campus · Sep 18, 2024 · 9b51266 · 9b51266
1 parent f860e25
commit 9b51266
Showing 1 changed file with 28 additions and 7 deletions.
diff --git a/src/dotnetCampus.Logger/LoggerInterpolatedStringHandler.g.cs b/src/dotnetCampus.Logger/LoggerInterpolatedStringHandler.g.cs
@@ -11,17 +11,37 @@ public LoggerInterpolatedStringHandler(int literalLength, int formattedCount)
         _handler = new DefaultInterpolatedStringHandler(literalLength, formattedCount);
     }
 
-    private readonly DefaultInterpolatedStringHandler _handler;
+    private DefaultInterpolatedStringHandler _handler;
 
-    public void AppendLiteral(string s) => _handler.AppendLiteral(s);
+    public void AppendLiteral(string s)
+    {
+        ref var handle = ref _handler;
+        handle.AppendLiteral(s);
+    }
 
-    public void AppendFormatted<T>(T value) => _handler.AppendFormatted(value);
+    public void AppendFormatted<T>(T value)
+    {
+        ref var handle = ref _handler;
+        handle.AppendFormatted(value);
+    }
 
-    public void AppendFormatted<T>(T value, string format) => _handler.AppendFormatted(value, format);
+    public void AppendFormatted<T>(T value, string format)
+    {
+        ref var handle = ref _handler;
+        handle.AppendFormatted(value, format);
+    }
 
-    public string ToStringAndClear() => _handler.ToStringAndClear();
+    public string ToStringAndClear()
+    {
+        ref var handle = ref _handler;
+        return handle.ToStringAndClear();
+    }
 
-    public override string ToString() => _handler.ToString();
+    public override string ToString()
+    {
+        ref var handle = ref _handler;
+        return handle.ToString();
+    }
 
     /// <summary>
     /// 废弃掉此字符串
@@ -30,7 +50,8 @@ public void Discard()
     {
         // 这里的 ToStringAndClear 其实只是取其 Clear 的功能
         // 暂时先使用 DefaultInterpolatedStringHandler 提供的能力，后续再考虑是否需要优化
-        _handler.ToStringAndClear();
+        ref var handle = ref _handler;
+        handle.ToStringAndClear();
     }
 }