/// <summary>
/// Registers methods with [LuaBind] attributes in Lua.
/// </summary>
private void RegisterLuaMethods(object obj)
{
const BindingFlags flags = BindingFlags.Static | BindingFlags.Instance
| BindingFlags.Public | BindingFlags.NonPublic;
foreach (var method in obj.GetType().GetMethods(flags))
{
var attr = method.GetCustomAttributes(typeof(BindLuaAttribute),
inherit: false).FirstOrDefault() as BindLuaAttribute;
if (attr == null)
{
continue;
}
var wrapper = new LuaRuntime.MethodWrapper(this, method);
var fn = luaRuntime.CreateFunctionFromMethodWrapper(wrapper);
var name = string.IsNullOrEmpty(attr.Name) ? method.Name : attr.Name;
luaRuntime.Globals[name] = fn;
}
}
public LuaValue this [LuaRuntime runtime, LuaValue keyValue] {
get {
var members = GetMembers(keyValue);
if (members.Count == 1)
{
var method = members [0] as MethodInfo;
if (method != null)
{
return(runtime.CreateFunctionFromMethodWrapper(new LuaRuntime.MethodWrapper(type, method, @static: true)));
}
var property = members [0] as PropertyInfo;
if (property != null)
{
var getter = property.GetGetMethod();
if (getter == null)
{
throw new LuaException("Property is write-only.");
}
if (getter.GetParameters().Length != 0)
{
throw new LuaException("Cannot get an indexer.");
}
var ret = property.GetValue(type, null);
return(clrObject.Binder.ObjectToLuaValue(ret, clrObject, runtime));
}
var field = members [0] as FieldInfo;
if (field != null)
{
return(clrObject.Binder.ObjectToLuaValue(field.GetValue(type), clrObject, runtime));
}
}
return(LuaNil.Instance);
}
set {
var members = GetMembers(keyValue);
if (members.Count == 1)
{
var property = members [0] as PropertyInfo;
if (property != null)
{
var setter = property.GetSetMethod();
if (setter == null)
{
throw new LuaException("Property is read-only.");
}
if (setter.GetParameters().Length != 1)
{
throw new LuaException("Cannot set an indexer.");
}
object v;
try {
v = value.ToClrType(property.PropertyType);
} catch {
throw new LuaException("Value is incompatible with this property.");
}
property.SetValue(null, v, null);
return;
}
var field = members [0] as FieldInfo;
if (field != null)
{
object v;
try {
v = value.ToClrType(field.FieldType);
} catch {
throw new LuaException("Value is incompatible with this property.");
}
field.SetValue(null, v);
return;
}
}
throw new LuaException("Property/field not found: " + keyValue.ToString());
}
}
