59 lines
1.6 KiB
C#
59 lines
1.6 KiB
C#
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using System.Reflection;
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using CommandLine;
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using CommandLine.Text;
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namespace UnrealSharpWeaver;
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public class WeaverOptions
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{
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[Option('p', "path", Required = true, HelpText = "Search paths for assemblies.")]
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public required IEnumerable<string> AssemblyPaths { get; set; }
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[Option('o', "output", Required = true, HelpText = "DLL output directory.")]
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public required string OutputDirectory { get; set; }
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public WeaverOptions(IEnumerable<string> assemblyPaths, string outputDirectory)
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{
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AssemblyPaths = assemblyPaths;
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OutputDirectory = outputDirectory;
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}
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public WeaverOptions() : this([], string.Empty)
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{
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}
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private static void PrintHelp(ParserResult<WeaverOptions> result)
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{
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if (result.Tag != ParserResultType.NotParsed)
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{
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return;
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}
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string name = Path.GetFileNameWithoutExtension(Assembly.GetEntryAssembly()!.Location);
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Console.Error.WriteLine($"Usage: {name}");
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Console.Error.WriteLine("Commands: ");
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var helpText = HelpText.AutoBuild(result, h => h, e => e);
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Console.WriteLine(helpText);
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}
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public static WeaverOptions ParseArguments(IEnumerable<string> args)
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{
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Parser parser = new Parser(settings =>
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{
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settings.AllowMultiInstance = true;
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settings.HelpWriter = null;
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});
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ParserResult<WeaverOptions> result = parser.ParseArguments<WeaverOptions>(args);
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if (result.Tag != ParserResultType.NotParsed)
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{
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return result.Value;
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}
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PrintHelp(result);
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throw new InvalidOperationException("Invalid arguments.");
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}
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}
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