/*
* This file is part of LuaInterface.
*
* Copyright (C) 2003-2005 Fabio Mascarenhas de Queiroz.
* Copyright (C) 2012 Megax
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
using System;
using System.Reflection;
using System.Diagnostics.CodeAnalysis;
using LuaInterface.Extensions;
namespace LuaInterface
{
public static class LuaRegistrationHelper
{
#region Tagged instance methods
///
/// Registers all public instance methods in an object tagged with as Lua global functions
///
/// The Lua VM to add the methods to
/// The object to get the methods from
public static void TaggedInstanceMethods (Lua lua, object o)
{
#region Sanity checks
if (lua.IsNull ())
throw new ArgumentNullException ("lua");
if (o.IsNull ())
throw new ArgumentNullException ("o");
#endregion
foreach (var method in o.GetType().GetMethods(BindingFlags.Instance | BindingFlags.Public)) {
foreach (LuaGlobalAttribute attribute in method.GetCustomAttributes(typeof(LuaGlobalAttribute), true)) {
if (string.IsNullOrEmpty (attribute.Name))
lua.RegisterFunction (method.Name, o, method); // CLR name
else
lua.RegisterFunction (attribute.Name, o, method); // Custom name
}
}
}
#endregion
#region Tagged static methods
///
/// Registers all public static methods in a class tagged with as Lua global functions
///
/// The Lua VM to add the methods to
/// The class type to get the methods from
public static void TaggedStaticMethods (Lua lua, Type type)
{
#region Sanity checks
if (lua.IsNull ())
throw new ArgumentNullException ("lua");
if (type.IsNull ())
throw new ArgumentNullException ("type");
if (!type.IsClass)
throw new ArgumentException ("The type must be a class!", "type");
#endregion
foreach (var method in type.GetMethods(BindingFlags.Static | BindingFlags.Public)) {
foreach (LuaGlobalAttribute attribute in method.GetCustomAttributes(typeof(LuaGlobalAttribute), false)) {
if (string.IsNullOrEmpty (attribute.Name))
lua.RegisterFunction (method.Name, null, method); // CLR name
else
lua.RegisterFunction (attribute.Name, null, method); // Custom name
}
}
}
#endregion
#region Enumeration
///
/// Registers an enumeration's values for usage as a Lua variable table
///
/// The enum type to register
/// The Lua VM to add the enum to
[SuppressMessage("Microsoft.Design", "CA1004:GenericMethodsShouldProvideTypeParameter", Justification = "The type parameter is used to select an enum type")]
public static void Enumeration (Lua lua)
{
#region Sanity checks
if (lua.IsNull ())
throw new ArgumentNullException ("lua");
#endregion
var type = typeof(T);
if (!type.IsEnum)
throw new ArgumentException ("The type must be an enumeration!");
string[] names = Enum.GetNames (type);
var values = (T[])Enum.GetValues (type);
lua.NewTable (type.Name);
for (int i = 0; i < names.Length; i++) {
string path = type.Name + "." + names [i];
lua [path] = values [i];
}
}
#endregion
}
}