mirror of https://github.com/oliverbooth/VpSharp
53 lines
1.8 KiB
C#
53 lines
1.8 KiB
C#
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namespace VpSharp.Commands.Attributes;
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/// <summary>
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/// Defines the aliases of a command.
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/// </summary>
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[AttributeUsage(AttributeTargets.Method)]
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public sealed class AliasesAttribute : Attribute
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{
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/// <summary>
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/// Initializes a new instance of the <see cref="AliasesAttribute" /> class.
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/// </summary>
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/// <param name="alias">The first alias.</param>
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/// <param name="aliases">Additional aliases.</param>
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/// <exception cref="ArgumentNullException">
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/// <para><paramref name="alias" /> is <see langword="null" />.</para>
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/// -or-
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/// <para><paramref name="aliases" /> is <see langword="null" />.</para>
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/// </exception>
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/// <exception cref="ArgumentException">
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/// <para><paramref name="alias" /> is empty, or consists of only whitespace.</para>
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/// -or-
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/// <para>An element in <paramref name="aliases" /> is null, empty, or consists of only whitespace.</para>
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/// </exception>
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public AliasesAttribute(string alias, params string[] aliases)
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{
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ArgumentNullException.ThrowIfNull(alias);
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ArgumentNullException.ThrowIfNull(aliases);
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if (string.IsNullOrWhiteSpace(alias))
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{
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throw new ArgumentException("Alias cannot be empty");
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}
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foreach (string a in aliases)
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{
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if (string.IsNullOrWhiteSpace(a))
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{
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throw new ArgumentException("Cannot have a null alias");
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}
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}
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Aliases = new string[aliases.Length + 1];
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Aliases[0] = alias;
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Array.Copy(aliases, 0, Aliases, 1, aliases.Length);
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}
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/// <summary>
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/// Gets the command aliases.
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/// </summary>
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/// <value>The command aliases.</value>
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public string[] Aliases { get; }
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}
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