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28 lines
779 B
C#
28 lines
779 B
C#
using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Reflection;
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using System.Threading.Tasks;
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namespace cugoj_ng_server.Utilities
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{
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[AttributeUsage(AttributeTargets.All, Inherited = false, AllowMultiple = true)]
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sealed class LabelsAttribute : Attribute
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{
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private readonly HashSet<string> LabelSet = null;
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public LabelsAttribute(params string[] labels)
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{
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LabelSet = new(labels);
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}
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public bool HasLabel(string label) => LabelSet.Contains(label);
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}
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static class LabelExtension
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{
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public static bool HasLabel(this PropertyInfo propertyInfo, string label) =>
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propertyInfo.GetCustomAttributes<LabelsAttribute>().Any(attr => attr.HasLabel(label));
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}
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}
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