Joseph Doherty
31 lines
1.2 KiB
C#
31 lines
1.2 KiB
C#
using System.CommandLine;
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namespace ScadaLink.CLI.Commands;
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/// <summary>
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/// Factory methods for the global CLI options. Centralising option construction keeps
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/// validation rules (e.g. the accepted <c>--format</c> values) in one place and makes
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/// them testable without standing up the whole command tree.
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/// </summary>
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internal static class CliOptions
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{
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/// <summary>
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/// Creates the global <c>--format</c> option. The option deliberately has no
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/// <c>DefaultValueFactory</c> — format precedence (explicit flag → config/env →
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/// <c>"json"</c>) is resolved by <see cref="CommandHelpers.ResolveFormat"/>, which
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/// needs to distinguish an absent flag. The accepted values are constrained so a
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/// typo (e.g. <c>--format tabel</c>) is rejected with a clear parse error rather
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/// than silently falling through to JSON.
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/// </summary>
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internal static Option<string> CreateFormatOption()
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{
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var formatOption = new Option<string>("--format")
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{
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Description = "Output format (json or table)",
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Recursive = true,
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};
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formatOption.AcceptOnlyFromAmong("json", "table");
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return formatOption;
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}
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}
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