Use a command line parsing library

[jzabroski]

S3Sync/source/S3Sync/Program.cs

Lines 137 to 251 in 21e0333

	static void EvaluateArguments(string[] args)
	{
	// BucketName=nantokakantokabucket
	BucketName = args.Where(x => x.StartsWith(ArgumentType.BucketName.ToString(), StringComparison.InvariantCultureIgnoreCase))
	.SelectMany(x => x.SplitEx("="))
	.LastOrDefault()
	?? GetEnvValueString(ArgumentType.BucketName, EnvType.S3Sync_BucketName);
	// LocalRoot=c:\hogemoge
	LocalRoot = args.Where(x => x.StartsWith(ArgumentType.LocalRoot.ToString(), StringComparison.InvariantCultureIgnoreCase))
	.SelectMany(x => x.SplitEx("="))
	.LastOrDefault()
	?? GetEnvValueString(ArgumentType.LocalRoot, EnvType.S3Sync_LocalRoot);
	// KeyPrefix=image
	KeyPrefix = args.Where(x => x.StartsWith(ArgumentType.KeyPrefix.ToString(), StringComparison.InvariantCultureIgnoreCase))
	.SelectMany(x => x.SplitEx("="))
	.LastOrDefault()
	?.TrimEnd('/')
	?? GetEnvValueString(ArgumentType.KeyPrefix, EnvType.S3Sync_KeyPrefix);
	// IgnoreKeyPrefix=image
	IgnoreKeyPrefix = args.Where(x => x.StartsWith(ArgumentType.IgnoreKeyPrefix.ToString(), StringComparison.InvariantCultureIgnoreCase))
	.SelectMany(x => x.SplitEx("="))
	.LastOrDefault()
	?.TrimEnd('/')
	?? GetEnvValueString(ArgumentType.IgnoreKeyPrefix, EnvType.S3Sync_IgnoreKeyPrefix);
	// ExcludeFiles=hogemoge,fugafuga
	ExcludeFiles = args.Where(x => x.StartsWith(ArgumentType.ExcludeFiles.ToString(), StringComparison.InvariantCultureIgnoreCase))
	.SelectMany(x => x.SplitEx("="))
	.LastOrDefault()
	?.SplitEx(",")
	.Select(x => x.Trim())
	.ToArray()
	?? GetEnvValueString(ArgumentType.ExcludeFiles, EnvType.S3Sync_ExcludeFiles)
	?.SplitEx(",");
	// ExcludeDirectories=hogemoge,fugafuga
	ExcludeDirectories = args.Where(x => x.StartsWith(ArgumentType.ExcludeDirectories.ToString(), StringComparison.InvariantCultureIgnoreCase))
	.SelectMany(x => x.SplitEx("="))
	.LastOrDefault()
	?.SplitEx(",")
	?.Select(x => x.Trim())
	.ToArray()
	?? GetEnvValueString(ArgumentType.ExcludeDirectories, EnvType.S3Sync_ExcludeDirectories)
	?.SplitEx(",");
	// Silent=false
	Silent = bool.Parse(args.Where(x => x.StartsWith(ArgumentType.Silent.ToString(), StringComparison.InvariantCultureIgnoreCase))
	.SelectMany(x => x.SplitEx("="))
	.Where(x => string.Equals(x, "true", StringComparison.InvariantCultureIgnoreCase) || string.Equals(x, "false", StringComparison.InvariantCultureIgnoreCase))
	.LastOrDefault()
	?.Trim()
	?? GetEnvValueString(ArgumentType.Silent, EnvType.S3Sync_Silent)
	?? "false");
	// CredentialProfile=ProfileName
	CredentialProfile = args.Where(x => x.StartsWith(ArgumentType.CredentialProfile.ToString(), StringComparison.InvariantCultureIgnoreCase))
	.SelectMany(x => x.SplitEx("="))
	.LastOrDefault()
	?.Trim()
	?? GetEnvValueString(ArgumentType.CredentialProfile, EnvType.S3Sync_CredentialProfile);
	// DryRun=true
	Option.DryRun = bool.Parse(args.Where(x => x.StartsWith(ArgumentType.DryRun.ToString(), StringComparison.InvariantCultureIgnoreCase))
	.SelectMany(x => x.SplitEx("="))
	.Where(x => string.Equals(x, "true", StringComparison.InvariantCultureIgnoreCase) || string.Equals(x, "false", StringComparison.InvariantCultureIgnoreCase))
	.LastOrDefault()
	?.Trim()
	?? GetEnvValueString(ArgumentType.DryRun, EnvType.S3Sync_DryRun)
	?? "true");
	// ContentType=application/json
	Option.ContentType = args.Where(x => x.StartsWith(ArgumentType.ContentType.ToString(), StringComparison.InvariantCultureIgnoreCase))
	.SelectMany(x => x.SplitEx("="))
	.LastOrDefault()
	?.TrimEnd('/')
	?? GetEnvValueString(ArgumentType.ContentType, EnvType.S3Sync_ContentType);
	// Region=us-east-1
	Option.Region = args.Where(x => x.StartsWith(ArgumentType.Region.ToString(), StringComparison.InvariantCultureIgnoreCase))
	.SelectMany(x => x.SplitEx("="))
	.LastOrDefault()
	?.TrimEnd('/')
	?? GetEnvValueString(ArgumentType.Region, EnvType.S3Sync_Region);
	// Show Arguments
	Log($"{nameof(BucketName)} : {BucketName}");
	Log($"{nameof(LocalRoot)} : {LocalRoot}");
	Log($"{nameof(KeyPrefix)} : {KeyPrefix}");
	Log($"{nameof(IgnoreKeyPrefix)} : {IgnoreKeyPrefix}");
	Log($"{nameof(ExcludeFiles)} : {ExcludeFiles?.ToJoinedString(",")}");
	Log($"{nameof(ExcludeDirectories)} : {ExcludeDirectories?.ToJoinedString(",")}");
	Log($"{nameof(Silent)} : {Silent}");
	Log($"{nameof(CredentialProfile)} : {CredentialProfile}");
	Log($"{nameof(Option.DryRun)} : {Option.DryRun}");
	Log($"{nameof(Option.ContentType)} : {Option.ContentType}");
	Log($"{nameof(Option.Region)} : {Option.Region}");
	// Validate Required arguments
	if (string.IsNullOrWhiteSpace(BucketName))
	{
	Error("Please pass arguments. See detail followings.");
	PrintHelp();
	throw new NullReferenceException(nameof(BucketName));
	}
	if (string.IsNullOrWhiteSpace(LocalRoot))
	{
	Error("Please pass arguments. See detail followings.");
	PrintHelp();
	throw new NullReferenceException(nameof(LocalRoot));
	}
	}