diff options
author | chai <215380520@qq.com> | 2023-05-12 09:24:40 +0800 |
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committer | chai <215380520@qq.com> | 2023-05-12 09:24:40 +0800 |
commit | 2a1cd4fda8a4a8e649910d16b4dfa1ce7ae63543 (patch) | |
tree | a471fafed72e80b4ac3ac3002e06c34220dd6058 /ThirdParty/CsvHelper-master/src/CsvHelper/Expressions/DynamicRecordCreator.cs | |
parent | b8a694746562b37dc8dc5b8b5aec8612bb0964fc (diff) |
*misc
Diffstat (limited to 'ThirdParty/CsvHelper-master/src/CsvHelper/Expressions/DynamicRecordCreator.cs')
-rw-r--r-- | ThirdParty/CsvHelper-master/src/CsvHelper/Expressions/DynamicRecordCreator.cs | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/ThirdParty/CsvHelper-master/src/CsvHelper/Expressions/DynamicRecordCreator.cs b/ThirdParty/CsvHelper-master/src/CsvHelper/Expressions/DynamicRecordCreator.cs new file mode 100644 index 0000000..b93390f --- /dev/null +++ b/ThirdParty/CsvHelper-master/src/CsvHelper/Expressions/DynamicRecordCreator.cs @@ -0,0 +1,61 @@ +// 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; + } + } +} |