public AliasCommand(IPlugin plugin, String name, String description, bool @private, IExpression expression)
: base(plugin, name)
{
Description = description;
ParameterTypes = Enumerable.Repeat(typeof(String), expression.Arity).ToArray();
ParameterNames = Enumerable.Range(1, expression.Arity).Select(i => i.ToString()).ToArray();
DefaultPermissions = new PermissionAttribute[0];
Private = @private;
_expression = expression;
}
public MethodCommand(IPlugin plugin, String name, String description, PermissionAttribute[] defaultPermissions,
bool @private, MethodInfo method, object obj)
: base(plugin, name)
{
Description = description;
ParameterTypes = method.GetParameters().Skip(1).Select(p => p.ParameterType).ToArray();
ParameterNames = method.GetParameters().Skip(1).Select(p => p.Name).ToArray();
DefaultPermissions = defaultPermissions;
Private = @private;
_method = method;
_obj = obj;
}
private static ICommand ToCommand(IPlugin plugin, CommandAttribute attribute, MethodInfo method,
object instance)
{
String methodName = attribute.Name ?? method.Name;
ParameterInfo[] parameters = method.GetParameters();
// Check signature
if(parameters.Length == 0 || !parameters[0].ParameterType.Equals(typeof(IContext)))
{
_logger.Error("Command " + methodName + " from plugin " + plugin.Name
+ " does not have a parameter of type IContext as first parameter. Command will not be added.");
return null;
}
else if(!method.IsPublic)
{
_logger.Error("Command " + methodName + " from plugin " + plugin.Name
+ " is not public so it is not callable. Command will not be added.");
return null;
}
// Gather default permissions
PermissionAttribute[] permissions = new PermissionAttribute[0];
IEnumerable<PermissionAttribute> defaultPermissions = method.GetCustomAttributes<PermissionAttribute>(true);
IEnumerable<String> groupNames = defaultPermissions.Select(p => p.GroupName);
if(groupNames.Distinct().Count() != defaultPermissions.Count())
{
_logger.Error("Command " + methodName + " from plugin " + plugin.Name
+ " has multiple default permissions for the same group. Permissions will not be added.");
}
else
{
permissions = defaultPermissions.ToArray();
}
if(method.IsStatic)
return CommandBuilder.CreateCommand(plugin, methodName, attribute.Description, permissions,
attribute.Private, method);
else
return CommandBuilder.CreateCommand(plugin, methodName, attribute.Description, permissions,
attribute.Private, method, instance);
}
