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Copy pathStringBuilderExtensions.cs
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90 lines (75 loc) · 2.72 KB
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// Copyright (c) .NET Foundation. All rights reserved.
// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
using System.Collections.Generic;
namespace System.Text
{
internal static class StringBuilderExtensions
{
public static StringBuilder AppendJoin(
this StringBuilder stringBuilder, IEnumerable<string> values, string separator = ", ")
=> stringBuilder.AppendJoin(values, (sb, value) => sb.Append(value), separator);
public static StringBuilder AppendJoin(
this StringBuilder stringBuilder, string separator, params string[] values)
=> stringBuilder.AppendJoin(values, (sb, value) => sb.Append(value), separator);
public static StringBuilder AppendJoin<T>(
this StringBuilder stringBuilder,
IEnumerable<T> values,
Action<StringBuilder, T> joinAction,
string separator = ", ")
{
var appended = false;
foreach (var value in values)
{
joinAction(stringBuilder, value);
stringBuilder.Append(separator);
appended = true;
}
if (appended)
{
stringBuilder.Length -= separator.Length;
}
return stringBuilder;
}
public static StringBuilder AppendJoin<T, TParam>(
this StringBuilder stringBuilder,
IEnumerable<T> values,
TParam param,
Action<StringBuilder, T, TParam> joinAction,
string separator = ", ")
{
var appended = false;
foreach (var value in values)
{
joinAction(stringBuilder, value, param);
stringBuilder.Append(separator);
appended = true;
}
if (appended)
{
stringBuilder.Length -= separator.Length;
}
return stringBuilder;
}
public static StringBuilder AppendJoin<T, TParam1, TParam2>(
this StringBuilder stringBuilder,
IEnumerable<T> values,
TParam1 param1,
TParam2 param2,
Action<StringBuilder, T, TParam1, TParam2> joinAction,
string separator = ", ")
{
var appended = false;
foreach (var value in values)
{
joinAction(stringBuilder, value, param1, param2);
stringBuilder.Append(separator);
appended = true;
}
if (appended)
{
stringBuilder.Length -= separator.Length;
}
return stringBuilder;
}
}
}