private static string _checkObjectSubclass(int contextId, string className)
{
LuaContext context = LuaContext.getContext(contextId);
if (context != null)
{
if (_exportsClasses.ContainsKey(contextId) && _exportsClasses [contextId] != null && _exportsClasses [contextId].ContainsKey(className))
{
Type t = _exportsClasses [contextId] [className];
if (t.IsSubclassOf(typeof(LuaObjectClass)))
{
LuaModule.register(context, t);
return(LuaModule.moduleName(t));
}
}
}
return(null);
}
/// <summary>
/// 注册模块
/// </summary>
/// <param name="context">Lua上下文对象.</param>
/// <param name="moduleName">模块名称.</param>
/// <param name="t">类型.</param>
protected static new void _register(LuaContext context, string moduleName, Type t)
{
Type baseType = t.BaseType;
string superClassName = null;
if (baseType != typeof(LuaModule))
{
superClassName = LuaModule.moduleName(baseType);
if (!context.isModuleRegisted(superClassName))
{
//尚未注册父类，进行父类注册
LuaModule.register(context, baseType);
}
}
//获取导出的类/实例方法
Dictionary <string, MethodInfo> exportClassMethods = new Dictionary <string, MethodInfo> ();
List <string> exportClassMethodNames = new List <string> ();
Dictionary <string, MethodInfo> exportInstanceMethods = new Dictionary <string, MethodInfo> ();
List <string> exportInstanceMethodNames = new List <string> ();
MethodInfo[] methods = t.GetMethods();
foreach (MethodInfo m in methods)
{
if (m.IsStatic && m.IsPublic)
{
//静态和公开的方法会导出到Lua
exportClassMethodNames.Add(m.Name);
exportClassMethods.Add(m.Name, m);
}
else if (m.IsPublic)
{
//实例方法
exportInstanceMethodNames.Add(m.Name);
exportInstanceMethods.Add(m.Name, m);
}
}
//获取导出的字段
Dictionary <string, PropertyInfo> exportFields = new Dictionary <string, PropertyInfo> ();
List <string> exportSetterNames = new List <string> ();
List <string> exportGetterNames = new List <string> ();
PropertyInfo[] propertys = t.GetProperties(BindingFlags.Instance | BindingFlags.Public);
foreach (PropertyInfo p in propertys)
{
if (p.CanRead)
{
exportGetterNames.Add(p.Name);
}
if (p.CanWrite)
{
exportSetterNames.Add(p.Name);
}
exportFields.Add(p.Name, p);
}
//创建导出的字段数据
IntPtr exportSetterNamesPtr = IntPtr.Zero;
if (exportSetterNames.Count > 0)
{
LuaObjectEncoder fieldEncoder = new LuaObjectEncoder();
fieldEncoder.writeInt32(exportSetterNames.Count);
foreach (string name in exportSetterNames)
{
fieldEncoder.writeString(name);
}
byte[] fieldNameBytes = fieldEncoder.bytes;
exportSetterNamesPtr = Marshal.AllocHGlobal(fieldNameBytes.Length);
Marshal.Copy(fieldNameBytes, 0, exportSetterNamesPtr, fieldNameBytes.Length);
}
IntPtr exportGetterNamesPtr = IntPtr.Zero;
if (exportGetterNames.Count > 0)
{
LuaObjectEncoder fieldEncoder = new LuaObjectEncoder();
fieldEncoder.writeInt32(exportGetterNames.Count);
foreach (string name in exportGetterNames)
{
fieldEncoder.writeString(name);
}
byte[] fieldNameBytes = fieldEncoder.bytes;
exportGetterNamesPtr = Marshal.AllocHGlobal(fieldNameBytes.Length);
Marshal.Copy(fieldNameBytes, 0, exportGetterNamesPtr, fieldNameBytes.Length);
}
//创建导出的实例方法数据
IntPtr exportInstanceMethodNamesPtr = IntPtr.Zero;
if (exportInstanceMethodNames.Count > 0)
{
LuaObjectEncoder instanceMethodEncoder = new LuaObjectEncoder();
instanceMethodEncoder.writeInt32(exportInstanceMethodNames.Count);
foreach (string name in exportInstanceMethodNames)
{
instanceMethodEncoder.writeString(name);
}
byte[] instMethodNameBytes = instanceMethodEncoder.bytes;
exportInstanceMethodNamesPtr = Marshal.AllocHGlobal(instMethodNameBytes.Length);
Marshal.Copy(instMethodNameBytes, 0, exportInstanceMethodNamesPtr, instMethodNameBytes.Length);
}
//创建导出类方法数据
IntPtr exportClassMethodNamesPtr = IntPtr.Zero;
if (exportClassMethodNames.Count > 0)
{
LuaObjectEncoder classMethodEncoder = new LuaObjectEncoder();
classMethodEncoder.writeInt32(exportClassMethodNames.Count);
foreach (string name in exportClassMethodNames)
{
classMethodEncoder.writeString(name);
}
byte[] classMethodNameBytes = classMethodEncoder.bytes;
exportClassMethodNamesPtr = Marshal.AllocHGlobal(classMethodNameBytes.Length);
Marshal.Copy(classMethodNameBytes, 0, exportClassMethodNamesPtr, classMethodNameBytes.Length);
}
//创建实例方法
if (_createInstanceDelegate == null)
{
_createInstanceDelegate = new LuaInstanceCreateHandleDelegate(_createInstance);
}
//销毁实例方法
if (_destroyInstanceDelegate == null)
{
_destroyInstanceDelegate = new LuaInstanceDestroyHandleDelegate(_destroyInstance);
}
//类描述
if (_instanceDescriptionDelegate == null)
{
_instanceDescriptionDelegate = new LuaInstanceDescriptionHandleDelegate(_instanceDescription);
}
//字段获取器
if (_fieldGetterDelegate == null)
{
_fieldGetterDelegate = new LuaInstanceFieldGetterHandleDelegate(_fieldGetter);
}
//字段设置器
if (_fieldSetterDelegate == null)
{
_fieldSetterDelegate = new LuaInstanceFieldSetterHandleDelegate(_fieldSetter);
}
//实例方法处理器
if (_instanceMethodHandlerDelegate == null)
{
_instanceMethodHandlerDelegate = new LuaInstanceMethodHandleDelegate(_instanceMethodHandler);
}
//类方法处理器
if (_classMethodHandleDelegate == null)
{
_classMethodHandleDelegate = new LuaModuleMethodHandleDelegate(_classMethodHandler);
}
int nativeId = NativeUtils.registerClass(
context.objectId,
moduleName,
superClassName,
exportSetterNamesPtr,
exportGetterNamesPtr,
exportInstanceMethodNamesPtr,
exportClassMethodNamesPtr,
Marshal.GetFunctionPointerForDelegate(_createInstanceDelegate),
Marshal.GetFunctionPointerForDelegate(_destroyInstanceDelegate),
Marshal.GetFunctionPointerForDelegate(_instanceDescriptionDelegate),
Marshal.GetFunctionPointerForDelegate(_fieldGetterDelegate),
Marshal.GetFunctionPointerForDelegate(_fieldSetterDelegate),
Marshal.GetFunctionPointerForDelegate(_instanceMethodHandlerDelegate),
Marshal.GetFunctionPointerForDelegate(_classMethodHandleDelegate));
//关联注册模块的注册方法
_exportsClass[nativeId] = t;
_exportsClassMethods[nativeId] = exportClassMethods;
_exportsInstanceMethods[nativeId] = exportInstanceMethods;
_exportsFields[nativeId] = exportFields;
if (exportSetterNamesPtr != IntPtr.Zero)
{
Marshal.FreeHGlobal(exportSetterNamesPtr);
}
if (exportGetterNamesPtr != IntPtr.Zero)
{
Marshal.FreeHGlobal(exportGetterNamesPtr);
}
if (exportInstanceMethodNamesPtr != IntPtr.Zero)
{
Marshal.FreeHGlobal(exportInstanceMethodNamesPtr);
}
if (exportClassMethodNamesPtr != IntPtr.Zero)
{
Marshal.FreeHGlobal(exportClassMethodNamesPtr);
}
}
