chore: import upstream snapshot with attribution

2026-07-13 13:02:50 +08:00
commit 0fc60fdcb1
5008 changed files with 910633 additions and 0 deletions
@@ -0,0 +1,65 @@
+/*
+ * QUANTCONNECT.COM - Democratizing Finance, Empowering Individuals.
+ * Lean Algorithmic Trading Engine v2.0. Copyright 2014 QuantConnect Corporation.
+ * 
+ * Licensed under the Apache License, Version 2.0 (the "License"); 
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+*/
+
+using System;
+using System.IO;
+using System.Text;
+
+namespace QuantConnect.Util
+{
+    /// <summary>
+    /// Provides an implementation of <see cref="TextWriter"/> that redirects Write(string) and WriteLine(string)
+    /// </summary>
+    public class FuncTextWriter : TextWriter
+    {
+        private readonly Action<string> _writer;
+
+        /// <inheritdoc />
+        public override Encoding Encoding
+        {
+            get { return Encoding.Default; }
+        }
+
+        /// <summary>
+        /// Initializes a new instance of the <see cref="FuncTextWriter"/> that will direct
+        /// messages to the algorithm's Debug function.
+        /// </summary>
+        /// <param name="writer">The algorithm hosting the Debug function where messages will be directed</param>
+        public FuncTextWriter(Action<string> writer)
+        {
+            _writer = writer;
+        }
+
+        /// <summary>
+        /// Writes the string value using the delegate provided at construction
+        /// </summary>
+        /// <param name="value">The string value to be written</param>
+        public override void Write(string value)
+        {
+            _writer(value);
+        }
+
+        /// <summary>
+        /// Writes the string value using the delegate provided at construction
+        /// </summary>
+        /// <param name="value"></param>
+        public override void WriteLine(string value)
+        {
+            // these are grouped in a list so we don't need to add new line characters here
+            _writer(value);
+        }
+    }
+}