Rewrite CommandLineArgumentsProvider to be usable without subclassing

XmlSchemaClassGenerator/CommandLineArgumentsProvider.cs

@@ -1,18 +1,24 @@
 using System;
+using System.Diagnostics.CodeAnalysis;
 using System.IO;
 using System.Linq;
 
 namespace XmlSchemaClassGenerator
 {
  public class CommandLineArgumentsProvider
  {
- public virtual string CommandLineArguments
+ public CommandLineArgumentsProvider(string commandLineArguments)
  {
- get
- {
- var args = Environment.GetCommandLineArgs();
- return string.Join(" ", args.Take(1).Select(Path.GetFileNameWithoutExtension).Concat(args.Skip(1)).Select(Extensions.QuoteIfNeeded));
- }
+ CommandLineArguments = commandLineArguments ?? throw new ArgumentNullException(nameof(commandLineArguments));
+ }
+
+ public string CommandLineArguments { get; }
+
+ public static CommandLineArgumentsProvider CreateFromEnvironment()
+ {
+ var args = Environment.GetCommandLineArgs();
+ var commandLineArguments = string.Join(" ", args.Take(1).Select(Path.GetFileNameWithoutExtension).Concat(args.Skip(1)).Select(Extensions.QuoteIfNeeded));
+ return new CommandLineArgumentsProvider(commandLineArguments);
  }
  }
 }

XmlSchemaClassGenerator/GeneratorConfiguration.cs

@@ -38,7 +38,7 @@ public GeneratorConfiguration()
  NamingProvider = new NamingProvider(NamingScheme);
  Version = VersionProvider.CreateFromAssembly();
  EnableUpaCheck = true;
- CommandLineArgumentsProvider = new CommandLineArgumentsProvider();
+ CommandLineArgumentsProvider = CommandLineArgumentsProvider.CreateFromEnvironment();
  }
 
  /// <summary>