* Showed command parameters with padding

Author: trueromanus

src/FlowCommandLine/CommandLine.cs

@@ -198,21 +198,39 @@ private void ShowCommandHelp ( string description, List<FlowCommandParameter> pa
         private void ShowParameters ( List<FlowCommandParameter> commandParameters ) {
             if ( commandParameters.Any ( a => a.Required ) ) {
                 m_commandLineProvider.WriteLine ( "The following arguments are available:" );
-                foreach ( var parameter in commandParameters.Where ( a => a.Required ) ) {
+                var requiredParameters = commandParameters
+                    .Where ( a => a.Required )
+                    .ToList ();
+                var maximumLength = requiredParameters
+                    .Select ( a => ( !string.IsNullOrEmpty ( a.FullName ) ? a.FullName.Count () + 2 : 0 ) + ( !string.IsNullOrEmpty ( a.ShortName ) ? a.ShortName.Count () + 1 : 0 ) )
+                    .Max ();
+                foreach ( var parameter in requiredParameters ) {
                     var parameters = new List<string> ();
                     if ( !string.IsNullOrEmpty ( parameter.FullName ) ) parameters.Add ( $"--{parameter.FullName}" );
                     if ( !string.IsNullOrEmpty ( parameter.ShortName ) ) parameters.Add ( $"-{parameter.ShortName}" );
 
-                    m_commandLineProvider.WriteLine ( $"  {string.Join ( ' ', parameters )} {parameter.Description}" );
+                    var parametersValue = string.Join ( ' ', parameters );
+                    if ( parametersValue.Length < maximumLength ) parametersValue += string.Join ( "", Enumerable.Repeat ( ' ', maximumLength - parametersValue.Length ) );
+
+                    m_commandLineProvider.WriteLine ( $"  {parametersValue} {parameter.Description}" );
                 }
             }
             if ( commandParameters.Any ( a => !a.Required ) ) {
                 m_commandLineProvider.WriteLine ( "The following options are available:" );
-                foreach ( var parameter in commandParameters.Where ( a => !a.Required ) ) {
+
+                var nonRequiredParameters = commandParameters.Where ( a => !a.Required );
+                var maximumLength = nonRequiredParameters
+                    .Select ( a => ( !string.IsNullOrEmpty ( a.FullName ) ? a.FullName.Count () + 2 : 0 ) + ( !string.IsNullOrEmpty ( a.ShortName ) ? a.ShortName.Count () + 1 : 0 ) )
+                    .Max ();
+
+                foreach ( var parameter in nonRequiredParameters ) {
                     var parameters = new List<string> ();
                     if ( !string.IsNullOrEmpty ( parameter.FullName ) ) parameters.Add ( $"--{parameter.FullName}" );
                     if ( !string.IsNullOrEmpty ( parameter.ShortName ) ) parameters.Add ( $"-{parameter.ShortName}" );
 
+                    var parametersValue = string.Join ( ' ', parameters );
+
+
                     m_commandLineProvider.WriteLine ( $"  {string.Join ( ' ', parameters )} {parameter.Description}" );
                 }
             }

src/FlowCommandLine/FlowCommandLine.csproj

@@ -20,7 +20,7 @@
 		<IsTrimmable>true</IsTrimmable>
 		<PublishTrimmed>true</PublishTrimmed>
 		<PackageReleaseNotes>
-			Fixed parsing values with character =
+			Fixed padding for command parameters
 		</PackageReleaseNotes>
 	</PropertyGroup>
 

src/FlowCommandLineTests/CommandLineUnitTests.cs

@@ -208,7 +208,8 @@ public void RunCommand_NotSuccess_RequiredField () {
                     },
                     "",
                     new List<FlowCommandParameter> {
-                        new FlowCommandParameter { FullName = "Parameter1", Description = "Description", Required = true }
+                        new FlowCommandParameter { FullName = "Parameter1", Description = "Description", Required = true },
+                        new FlowCommandParameter { FullName = "Parameter2", Description = "Description", Required = false }
                     }
                 )
                 .RunCommand ();
@@ -219,6 +220,8 @@ public void RunCommand_NotSuccess_RequiredField () {
             Assert.Equal ( " ", messages.ElementAt ( 1 ) );
             Assert.Equal ( "The following arguments are available:", messages.ElementAt ( 2 ) );
             Assert.Equal ( "  --Parameter1 Description", messages.ElementAt ( 3 ) );
+            Assert.Equal ( "The following options are available:", messages.ElementAt ( 4 ) );
+            Assert.Equal ( "  --Parameter2 Description", messages.ElementAt ( 5 ) );
         }
 
         public record RunCommand_Success_QuotedParameters_Class {