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42 lines
1.5 KiB
C#
42 lines
1.5 KiB
C#
using System.Linq;
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namespace DocFx.Plugin.LastModified.Helpers
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{
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public static class StringHelper
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{
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/// <summary>
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/// Truncates the string to match the specified <paramref name="length"/>.
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/// </summary>
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/// <remarks>
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/// <para>This method is retrieved and modified from Humanizr/Humanizer.</para>
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/// <para>MIT License (c)</para>
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/// <para>Copyright (c) .NET Foundation and Contributors</para>
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/// </remarks>
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/// <param name="value">The string to truncate.</param>
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/// <param name="length">The target maximum length of the string.</param>
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/// <returns>
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/// A truncated string based on the <paramref name="length" /> specified.
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/// </returns>
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public static string Truncate(this string value, int length)
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{
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var truncationString = "...";
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if (value == null) return null;
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if (value.Length == 0) return value;
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var alphaNumericalCharactersProcessed = 0;
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if (value.ToCharArray().Count(char.IsLetterOrDigit) <= length) return value;
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for (var i = 0; i < value.Length - truncationString.Length; i++)
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{
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if (char.IsLetterOrDigit(value[i])) alphaNumericalCharactersProcessed++;
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if (alphaNumericalCharactersProcessed + truncationString.Length == length)
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return value.Substring(0, i + 1) + truncationString;
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}
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return value;
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}
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}
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} |