61 lines
1.7 KiB
C#
61 lines
1.7 KiB
C#
using System.Reflection;
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using System.ServiceModel.Syndication;
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using System.Text;
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using System.Xml;
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namespace zotanpw.Backend;
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public static class Utils {
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public static readonly string Version =
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((AssemblyInformationalVersionAttribute)Assembly.GetEntryAssembly()!.GetCustomAttributes(typeof(AssemblyInformationalVersionAttribute), false)[0])
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.InformationalVersion[6..];
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public static readonly string LinkVersion = Version[..8];
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// Works up to 79, doubt i'll have >=80 minute read time blog posts
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public static string a_an(int number) {
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if (number >= 80)
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throw new ArgumentOutOfRangeException(nameof(number));
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return number switch {
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8 => "an",
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11 => "an",
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18 => "an",
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_ => "a"
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};
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}
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public static string ToXmlString(this SyndicationFeedFormatter feed) {
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using var sw = new StringWriterWithEncoding(Encoding.UTF8);
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using (var xw = XmlWriter.Create(sw, new XmlWriterSettings { Encoding = Encoding.UTF8 }))
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feed.WriteTo(xw);
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return sw.ToString();
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}
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private sealed class StringWriterWithEncoding : StringWriter {
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public StringWriterWithEncoding(Encoding encoding) => Encoding = encoding;
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public override Encoding Encoding { get; }
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}
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public static string Truncate(this string input, int maxLen, string truncateMarker = "...") {
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var markerLength = truncateMarker.Length;
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if (maxLen < 1 + markerLength)
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maxLen = 1 + markerLength;
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return input.Length <= maxLen ? input : input[..(maxLen - markerLength)] + truncateMarker;
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}
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public static string GetUntil(this string input, string stopAt) {
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if (!string.IsNullOrWhiteSpace(input)) {
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if (!input.Contains(stopAt))
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return input;
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var charLocation = input.IndexOf(stopAt, StringComparison.Ordinal);
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return input[..++charLocation];
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}
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return string.Empty;
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}
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}
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