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using System.Linq;
namespace StardewModdingAPI.Framework.Commands
{
/// <summary>The 'help' SMAPI console command.</summary>
internal class HelpCommand : IInternalCommand
{
/*********
** Fields
*********/
/// <summary>Manages console commands.</summary>
private readonly CommandManager CommandManager;
/*********
** Accessors
*********/
/// <summary>The command name, which the user must type to trigger it.</summary>
public string Name { get; } = "help";
/// <summary>The human-readable documentation shown when the player runs the built-in 'help' command.</summary>
public string Description { get; } = "Lists command documentation.\n\nUsage: help\nLists all available commands.\n\nUsage: help <cmd>\n- cmd: The name of a command whose documentation to display.";
/*********
** Public methods
*********/
/// <summary>Construct an instance.</summary>
/// <param name="commandManager">Manages console commands.</param>
public HelpCommand(CommandManager commandManager)
{
this.CommandManager = commandManager;
}
/// <summary>Handle the console command when it's entered by the user.</summary>
/// <param name="args">The command arguments.</param>
/// <param name="monitor">Writes messages to the console.</param>
public void HandleCommand(string[] args, IMonitor monitor)
{
if (args.Any())
{
Command? result = this.CommandManager.Get(args[0]);
if (result == null)
monitor.Log("There's no command with that name. Type 'help' by itself for more info.", LogLevel.Error);
else
monitor.Log($"{result.Name}: {result.Documentation}{(result.Mod != null ? $"\n(Added by {result.Mod.DisplayName}.)" : "")}", LogLevel.Info);
}
else
{
string message =
"\n\n"
+ "Need help with a SMAPI or mod issue?\n"
+ "------------------------------------\n"
+ "See https://smapi.io/help for the best places to ask.\n\n\n"
+ "How commands work\n"
+ "-----------------\n"
+ "Just enter a command directly to run it, just like you did for this help command. Commands may take optional arguments\n"
+ "which change what they do; for example, type 'help help' to see help about the help command. When playing in split-screen\n"
+ "mode, you can add screen=X to send the command to a specific screen instance.\n\n\n"
+ "Valid commands\n"
+ "--------------\n"
+ "The following commands are registered. For more info about a command, type 'help command_name'.\n\n";
IGrouping<string, string>[] groups = (from command in this.CommandManager.GetAll() orderby command.Mod?.DisplayName, command.Name group command.Name by command.Mod?.DisplayName ?? "SMAPI").ToArray();
foreach (var group in groups)
{
string modName = group.Key;
string[] commandNames = group.ToArray();
message += $"{modName}:\n {string.Join("\n ", commandNames)}\n\n";
}
monitor.Log(message, LogLevel.Info);
}
}
}
}
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