/// <summary>
/// Build <see cref="CommandHandler"/> that represents <see cref="MethodInfo"/> on the instance <see cref="CommandCategory"/>.
/// </summary>
public void Build(CommandAttribute attribute, CommandCategory category, MethodInfo method)
{
permission = attribute.Permission;
methodContainer = new MethodContainer(category, method);
HandleOptionalAttributes(attribute, method);
ParameterInfo[] parameterInfo = method.GetParameters();
BuildParameters(attribute, parameterInfo);
BuildHelp(attribute, parameterInfo);
}
private void BuildChildren()
{
var builder = ImmutableDictionary.CreateBuilder <string, ICommandHandler>(
StringComparer.InvariantCultureIgnoreCase);
// child handlers
foreach (MethodInfo method in GetType().GetMethods())
{
CommandAttribute attribute = method.GetCustomAttribute <CommandAttribute>();
if (attribute == null)
{
continue;
}
var handler = new CommandHandler();
handler.Build(attribute, this, method);
foreach (string command in attribute.Commands)
{
builder.Add(command, handler);
}
}
// child categories
foreach (Type type in GetType().GetNestedTypes())
{
CommandAttribute attribute = type.GetCustomAttribute <CommandAttribute>();
if (attribute == null)
{
continue;
}
CommandCategory category = (CommandCategory)Activator.CreateInstance(type);
category.Build(attribute);
foreach (string command in attribute.Commands)
{
builder.Add(command, category);
}
}
handlers = builder.ToImmutable();
}
private void InitialiseHandlers()
{
log.Info("Initialising command handlers...");
var builder = ImmutableDictionary.CreateBuilder <string, ICommandHandler>(
StringComparer.InvariantCultureIgnoreCase);
foreach (Type type in Assembly.GetExecutingAssembly().GetTypes())
{
CommandAttribute attribute = type.GetCustomAttribute <CommandAttribute>();
if (attribute == null)
{
continue;
}
// initialise only the parent, the children will be initialised from the parent itself
if (type.IsNested)
{
continue;
}
if (!typeof(CommandCategory).IsAssignableFrom(type))
{
continue;
}
CommandCategory category = (CommandCategory)Activator.CreateInstance(type);
category.Build(attribute);
foreach (string command in attribute.Commands)
{
builder.Add(command, category);
}
}
handlers = builder.ToImmutable();
}