protected virtual void ParseAttribute(ConsoleCommandAttribute attr, MethodInfo method)
{
ParameterInfo[] parameters = method.GetParameters();
attr.help = GenerateHelpForAttribute(attr, parameters);
// Add it to the commands
commands.Add(attr, method.ContainsGenericParameters ? method.MakeGenericMethod(typeof(object)) : method);
}
public ConsoleCommand([NotNull] ConsoleCommandAttribute attribute, [NotNull] MethodInfo method)
{
if (attribute == null)
{
throw new ArgumentNullException(nameof(attribute));
}
if (method == null)
{
throw new ArgumentNullException(nameof(method));
}
command = attribute.command.ToLower();
help = attribute.help;
excludeFromCommandList = attribute.excludeFromCommandList;
showTypesInUsage = attribute.showTypesInUsage;
this.method = method;
ParametersFromMethodInfo();
}
protected virtual string GenerateHelpForAttribute(ConsoleCommandAttribute attr, ParameterInfo[] parameters)
{
string help = attr.help ?? string.Empty;
if (parameters.Length > 0)
{
if (!string.IsNullOrEmpty(help))
{
help += "\n";
}
help += string.Format("Usage:\n\t{0}", attr.command);
// Go through all the parameters of the method
foreach (ParameterInfo parameterInfo in parameters)
{
help += GenerateHelpFromParameter(attr, parameterInfo);
}
}
return(help);
}
protected virtual string GenerateHelpFromParameter(ConsoleCommandAttribute attr, ParameterInfo parameter)
{
string help = " <";
help += parameter.Name;
// Add some extra info for some types
if (parameter.ParameterType == typeof(bool))
{
help += " (true|false)";
}
else if (parameter.ParameterType.IsEnum)
{
help += string.Format(" ({0})", string.Join("|", Enum.GetNames(parameter.ParameterType)));
}
else if (attr.showTypesInUsage)
{
help += string.Format(" ({0})", parameter.ParameterType.Name);
}
help += ">";
return(help);
}