41 lines
No EOL
1.5 KiB
C#
41 lines
No EOL
1.5 KiB
C#
// Copyright (c) .NET Foundation and contributors. All rights reserved.
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// Licensed under the MIT license. See LICENSE file in the project root for full license information.
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using System;
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using System.Linq;
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using Microsoft.DotNet.Cli.CommandLine;
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namespace Microsoft.DotNet.Cli
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{
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public static class ParseResultExtensions
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{
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public static void ShowHelp(this ParseResult parseResult) =>
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Console.WriteLine(parseResult.Command().HelpView());
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public static void ShowHelpOrErrorIfAppropriate(this ParseResult parseResult)
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{
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parseResult.ShowHelpIfRequested();
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if (parseResult.Errors.Any())
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{
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throw new CommandParsingException(
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message: string.Join(Environment.NewLine,
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parseResult.Errors.Select(e => e.Message)),
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helpText: parseResult?.Command()?.HelpView());
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}
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}
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public static void ShowHelpIfRequested(this ParseResult parseResult)
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{
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var appliedCommand = parseResult.AppliedCommand();
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if (appliedCommand.HasOption("help") ||
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appliedCommand.Arguments.Contains("-?") ||
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appliedCommand.Arguments.Contains("/?"))
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{
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// NOTE: this is a temporary stage in refactoring toward the ClicCommandLineParser being used at the CLI entry point.
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throw new HelpException(parseResult.Command().HelpView());
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}
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}
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}
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} |