/// <summary>
/// Add a <see cref="ICommandTypeProvider"/> based on browsing all types in all loaded assemblies after having loaded all assemblies present on the current folder.
/// </summary>
/// <param name="builder">The <see cref="CommandLineParserBuilder"/> to configure.</param>
/// <returns>The <see cref="CommandLineParserBuilder" /> so that additional calls can be chained.</returns>
public static CommandLineParserBuilder AddClassBasedCommands(this CommandLineParserBuilder builder)
{
builder.Services.TryAddSingleton <IAssemblyProvider, CurrentDirectoryAssemblyProvider>();
builder.Services.TryAddScoped <ICommandTypeProvider, AssemblyBrowsingClassBasedCommandTypeProvider>();
builder.Services.TryAddScoped <IClassBasedCommandActivator, ClassBasedDependencyResolverCommandActivator>();
return(builder);
}
/// <summary>
/// Add a <see cref="ICommandTypeProvider"/> based on browsing all types in the assembly containing the specified <typeparamref name="TCommand"/>.
/// </summary>
/// <typeparam name="TCommand">The command type used to specify the assembly to browse.</typeparam>
/// <param name="builder">The <see cref="CommandLineParserBuilder"/> to configure.</param>
/// <returns>The <see cref="CommandLineParserBuilder" /> so that additional calls can be chained.</returns>
public static CommandLineParserBuilder AddCommands <TCommand>(this CommandLineParserBuilder builder)
where TCommand : class, ICommand
{
builder.Services.TryAddSingleton <IAssemblyProvider>(new DefaultAssemblyProvider(typeof(TCommand).Assembly));
builder.Services.TryAddScoped <ICommandTypeProvider, AssemblyBrowsingClassBasedCommandTypeProvider>();
builder.Services.TryAddScoped <IClassBasedCommandActivator, ClassBasedDependencyResolverCommandActivator>();
return(builder);
}
/// <summary>
/// Add a lambda-based command.
/// </summary>
/// <param name="builder">The <see cref="CommandLineParserBuilder"/> to configure.</param>
/// <param name="commandName">The name of the command.</param>
/// <param name="defineCommand">An action to define the command.</param>
/// <param name="executeCommand">A function that represent the execution of the command.</param>
/// <returns>The <see cref="CommandLineParserBuilder" /> so that additional calls can be chained.</returns>
public static CommandLineParserBuilder AddCommand(this CommandLineParserBuilder builder,
string commandName,
Action <CommandBuilder> defineCommand,
Func <CommandExecutionContext, Task <int> > executeCommand)
{
var commandBuilder = new CommandBuilder(commandName, executeCommand);
(defineCommand ?? (_ => {}))(commandBuilder);
builder.Services.AddScoped <ICommandTypeProvider>(serviceProvider => new LambdaBasedCommandTypeProvider(commandBuilder.BuildCommandType(serviceProvider)));
return(builder);
}