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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.Diagnostics;
using System.Reflection;
namespace CsvHelper.Configuration
{
/// <summary>
/// Mapping info for a reference member mapping to a class.
/// </summary>
[DebuggerDisplay("Member = {Data.Member}, Prefix = {Data.Prefix}")]
public class MemberReferenceMap
{
private readonly MemberReferenceMapData data;
/// <summary>
/// Gets the member reference map data.
/// </summary>
public MemberReferenceMapData Data => data;
/// <summary>
/// Initializes a new instance of the <see cref="MemberReferenceMap"/> class.
/// </summary>
/// <param name="member">The member.</param>
/// <param name="mapping">The <see cref="ClassMap"/> to use for the reference map.</param>
public MemberReferenceMap(MemberInfo member, ClassMap mapping)
{
if (mapping == null)
{
throw new ArgumentNullException(nameof(mapping));
}
data = new MemberReferenceMapData(member, mapping);
}
/// <summary>
/// Appends a prefix to the header of each field of the reference member.
/// </summary>
/// <param name="prefix">The prefix to be prepended to headers of each reference member.</param>
/// <param name="inherit">Inherit parent prefixes.</param>
/// <returns>The current <see cref="MemberReferenceMap" /></returns>
public MemberReferenceMap Prefix(string? prefix = null, bool inherit = false)
{
if (string.IsNullOrEmpty(prefix))
{
prefix = data.Member.Name + ".";
}
data.Inherit = inherit;
data.Prefix = prefix;
return this;
}
/// <summary>
/// Get the largest index for the
/// members and references.
/// </summary>
/// <returns>The max index.</returns>
internal int GetMaxIndex()
{
return data.Mapping.GetMaxIndex();
}
}
}
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