2020-08-22 15:56:24 -04:00
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#pragma warning disable CS1591
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2019-01-27 04:20:05 -05:00
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using System;
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2021-05-20 15:28:18 -04:00
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using System.Collections.Generic;
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2019-01-27 04:20:05 -05:00
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using System.Globalization;
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using System.Linq;
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using System.Text;
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using System.Text.RegularExpressions;
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2018-12-27 18:27:57 -05:00
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namespace MediaBrowser.Controller.Extensions
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{
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/// <summary>
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2020-06-15 18:37:52 -04:00
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/// Class BaseExtensions.
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2018-12-27 18:27:57 -05:00
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/// </summary>
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public static class StringExtensions
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{
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public static string RemoveDiacritics(this string text)
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{
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2019-01-27 04:20:05 -05:00
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var chars = Normalize(text, NormalizationForm.FormD)
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.Where(ch => CharUnicodeInfo.GetUnicodeCategory(ch) != UnicodeCategory.NonSpacingMark);
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return Normalize(string.Concat(chars), NormalizationForm.FormC);
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}
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private static string Normalize(string text, NormalizationForm form, bool stripStringOnFailure = true)
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{
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if (stripStringOnFailure)
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{
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try
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{
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return text.Normalize(form);
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}
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catch (ArgumentException)
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{
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// will throw if input contains invalid unicode chars
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// https://mnaoumov.wordpress.com/2014/06/14/stripping-invalid-characters-from-utf-16-strings/
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2021-05-13 09:32:02 -04:00
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text = Regex.Replace(text, "([\ud800-\udbff](?![\udc00-\udfff]))|((?<![\ud800-\udbff])[\udc00-\udfff])", string.Empty);
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2019-01-27 04:20:05 -05:00
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return Normalize(text, form, false);
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}
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}
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try
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{
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return text.Normalize(form);
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}
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catch (ArgumentException)
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{
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// if it still fails, return the original text
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return text;
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}
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2018-12-27 18:27:57 -05:00
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}
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}
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}
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