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authorchai <215380520@qq.com>2023-05-12 09:24:40 +0800
committerchai <215380520@qq.com>2023-05-12 09:24:40 +0800
commit2a1cd4fda8a4a8e649910d16b4dfa1ce7ae63543 (patch)
treea471fafed72e80b4ac3ac3002e06c34220dd6058 /ThirdParty/CsvHelper-master/src/CsvHelper/Expressions/DynamicRecordCreator.cs
parentb8a694746562b37dc8dc5b8b5aec8612bb0964fc (diff)
*misc
Diffstat (limited to 'ThirdParty/CsvHelper-master/src/CsvHelper/Expressions/DynamicRecordCreator.cs')
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diff --git a/ThirdParty/CsvHelper-master/src/CsvHelper/Expressions/DynamicRecordCreator.cs b/ThirdParty/CsvHelper-master/src/CsvHelper/Expressions/DynamicRecordCreator.cs
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+++ b/ThirdParty/CsvHelper-master/src/CsvHelper/Expressions/DynamicRecordCreator.cs
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+// 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.Dynamic;
+
+namespace CsvHelper.Expressions
+{
+ /// <summary>
+ /// Creates dynamic records.
+ /// </summary>
+ public class DynamicRecordCreator : RecordCreator
+ {
+ /// <summary>
+ /// Initializes a new instance.
+ /// </summary>
+ /// <param name="reader">The reader.</param>
+ public DynamicRecordCreator(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) => (Func<dynamic>)CreateDynamicRecord;
+
+ /// <summary>
+ /// Creates a dynamic record of the current reader row.
+ /// </summary>
+ protected virtual dynamic CreateDynamicRecord()
+ {
+ var obj = new ExpandoObject();
+ var dict = obj as IDictionary<string, object>;
+ if (Reader.HeaderRecord != null)
+ {
+ for (var i = 0; i < Reader.HeaderRecord.Length; i++)
+ {
+ var args = new GetDynamicPropertyNameArgs(i, Reader.Context);
+ var propertyName = Reader.Configuration.GetDynamicPropertyName(args);
+ Reader.TryGetField(i, out string field);
+ dict.Add(propertyName, field);
+ }
+ }
+ else
+ {
+ for (var i = 0; i < Reader.Parser.Count; i++)
+ {
+ var args = new GetDynamicPropertyNameArgs(i, Reader.Context);
+ var propertyName = Reader.Configuration.GetDynamicPropertyName(args);
+ var field = Reader.GetField(i);
+ dict.Add(propertyName, field);
+ }
+ }
+
+ return obj;
+ }
+ }
+}