From 2a1cd4fda8a4a8e649910d16b4dfa1ce7ae63543 Mon Sep 17 00:00:00 2001
From: chai <215380520@qq.com>
Date: Fri, 12 May 2023 09:24:40 +0800
Subject: *misc

---
 .../CsvHelper/Expressions/ObjectRecordCreator.cs   | 66 ++++++++++++++++++++++
 1 file changed, 66 insertions(+)
 create mode 100644 ThirdParty/CsvHelper-master/src/CsvHelper/Expressions/ObjectRecordCreator.cs

(limited to 'ThirdParty/CsvHelper-master/src/CsvHelper/Expressions/ObjectRecordCreator.cs')

diff --git a/ThirdParty/CsvHelper-master/src/CsvHelper/Expressions/ObjectRecordCreator.cs b/ThirdParty/CsvHelper-master/src/CsvHelper/Expressions/ObjectRecordCreator.cs
new file mode 100644
index 0000000..9adc951
--- /dev/null
+++ b/ThirdParty/CsvHelper-master/src/CsvHelper/Expressions/ObjectRecordCreator.cs
@@ -0,0 +1,66 @@
+// Copyright 2009-2022 Josh Close
+// This file is a part of CsvHelper and is dual licensed under MS-PL and Apache 2.0.
+// See LICENSE.txt for details or visit http://www.opensource.org/licenses/ms-pl.html for MS-PL and http://opensource.org/licenses/Apache-2.0 for Apache 2.0.
+// https://github.com/JoshClose/CsvHelper
+using System;
+using System.Collections.Generic;
+using System.Linq.Expressions;
+
+namespace CsvHelper.Expressions
+{
+	/// <summary>
+	/// Creates objects.
+	/// </summary>
+	public class ObjectRecordCreator : RecordCreator
+	{
+		/// <summary>
+		/// Initializes a new instance using the given reader.
+		/// </summary>
+		/// <param name="reader"></param>
+		public ObjectRecordCreator(CsvReader reader) : base(reader) { }
+
+		/// <summary>
+		/// Creates a <see cref="Delegate"/> of type <see cref="Func{T}"/>
+		/// that will create a record of the given type using the current
+		/// reader row.
+		/// </summary>
+		/// <param name="recordType">The record type.</param>
+		protected override Delegate CreateCreateRecordDelegate(Type recordType)
+		{
+			if (Reader.Context.Maps[recordType] == null)
+			{
+				Reader.Context.Maps.Add(Reader.Context.AutoMap(recordType));
+			}
+
+			var map = Reader.Context.Maps[recordType];
+
+			Expression body;
+
+			if (map.ParameterMaps.Count > 0)
+			{
+				// This is a constructor parameter type.
+				var arguments = new List<Expression>();
+				ExpressionManager.CreateConstructorArgumentExpressionsForMapping(map, arguments);
+
+				var args = new GetConstructorArgs(map.ClassType);
+				body = Expression.New(Reader.Configuration.GetConstructor(args), arguments);
+			}
+			else
+			{
+				var assignments = new List<MemberAssignment>();
+				ExpressionManager.CreateMemberAssignmentsForMapping(map, assignments);
+
+				if (assignments.Count == 0)
+				{
+					throw new ReaderException(Reader.Context, $"No members are mapped for type '{recordType.FullName}'.");
+				}
+
+				body = ExpressionManager.CreateInstanceAndAssignMembers(recordType, assignments);
+			}
+
+			var funcType = typeof(Func<>).MakeGenericType(recordType);
+
+			return Expression.Lambda(funcType, body).Compile();
+		}
+	}
+}
-- 
cgit v1.1-26-g67d0