mirror of
https://github.com/smallmain/cocos-enhance-kit.git
synced 2025-01-14 23:11:06 +00:00
238 lines
7.6 KiB
C++
238 lines
7.6 KiB
C++
/****************************************************************************
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Copyright (c) 2021-2023 Xiamen Yaji Software Co., Ltd.
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http://www.cocos.com
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated engine source code (the "Software"), a limited,
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worldwide, royalty-free, non-assignable, revocable and non-exclusive license
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to use Cocos Creator solely to develop games on your target platforms. You shall
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not use Cocos Creator software for developing other software or tools that's
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used for developing games. You are not granted to publish, distribute,
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sublicense, and/or sell copies of Cocos Creator.
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The software or tools in this License Agreement are licensed, not sold.
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Xiamen Yaji Software Co., Ltd. reserves all rights not expressly granted to you.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.
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****************************************************************************/
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#include "Class.h"
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#include <string>
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#include "CommonHeader.h"
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#include "ScriptEngine.h"
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#include "Utils.h"
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namespace se {
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napi_value *Class::_exports = nullptr;
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std::vector<Class *> __allClasses;
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Class::Class() {
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__allClasses.push_back(this);
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};
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Class::~Class() {
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}
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/* static */
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Class *Class::create(const std::string &clsName, se::Object *parent, Object *parentProto, napi_callback ctor) {
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Class *cls = new Class();
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if (cls != nullptr && !cls->init(clsName, parent, parentProto, ctor)) {
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delete cls;
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cls = nullptr;
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}
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return cls;
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}
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Class* Class::create(const std::initializer_list<const char *> &classPath, se::Object *parent, Object *parentProto, napi_callback ctor) {
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se::AutoHandleScope scope;
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se::Object *currentParent = parent;
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se::Value tmp;
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for (auto i = 0; i < classPath.size() - 1; i++) {
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bool ok = currentParent->getProperty(*(classPath.begin() + i), &tmp);
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assert(ok); // class or namespace in path is not defined
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currentParent = tmp.toObject();
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}
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return create(*(classPath.end() - 1), currentParent, parentProto, ctor);
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}
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bool Class::init(const std::string &clsName, Object *parent, Object *parentProto, napi_callback ctor) {
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_name = clsName;
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_parent = parent;
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if (_parent != nullptr)
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_parent->incRef();
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_parentProto = parentProto;
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if (_parentProto != nullptr)
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_parentProto->incRef();
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if (ctor) {
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_ctorFunc = ctor;
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}
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return true;
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}
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napi_value Class::_defaultCtor(napi_env env, napi_callback_info info) {
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LOGE("check default ctor called");
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return nullptr;
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}
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void Class::defineProperty(const char* name, napi_callback g, napi_callback s) {
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_properties.push_back({name, nullptr, nullptr, g, s, 0, napi_default_jsproperty, 0});
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}
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void Class::defineProperty(const std::initializer_list<const char *> &names, napi_callback g, napi_callback s) {
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for (const auto *name : names) {
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defineProperty(name, g, s);
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}
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}
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void Class::defineStaticProperty(const char* name, napi_callback g, napi_callback s) {
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if(g != nullptr && s != nullptr)
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_properties.push_back({name, nullptr, nullptr, g, s, 0, napi_static, 0});
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}
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void Class::defineFunction(const char* name, napi_callback func) {
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// When Napi defines a function, it needs to add the enum attribute, otherwise JS cannot traverse the function
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_properties.push_back({name, nullptr, func, nullptr, nullptr, nullptr, napi_default_jsproperty, nullptr});
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}
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void Class::defineStaticFunction(const char* name, napi_callback func) {
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_properties.push_back({name, nullptr, func, nullptr, nullptr, 0, napi_property_attributes((int)napi_static|(int)napi_writable), 0});
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}
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void Class::defineFinalizeFunction(napi_finalize func) {
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assert(func != nullptr);
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_finalizeFunc = func;
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}
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napi_finalize Class::_getFinalizeFunction() const {
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return _finalizeFunc;
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}
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bool Class::install() {
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napi_value cons;
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napi_status status;
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NODE_API_CALL(status, ScriptEngine::getEnv(), napi_define_class(ScriptEngine::getEnv(), _name.c_str(), -1, _ctorFunc, nullptr, _properties.size(), _properties.data(), &cons));
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if (_parentProto) {
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inherit(ScriptEngine::getEnv(), cons, _parentProto->_getJSObject());
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}
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NODE_API_CALL(status, ScriptEngine::getEnv(),
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napi_create_reference(ScriptEngine::getEnv(), cons, 1, &_constructor));
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NODE_API_CALL(status, ScriptEngine::getEnv(),
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napi_set_named_property(ScriptEngine::getEnv(), _parent->_getJSObject(), _name.c_str(), cons));
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napi_value proto;
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NODE_API_CALL(status, ScriptEngine::getEnv(), napi_get_named_property(ScriptEngine::getEnv(), cons, "prototype", &proto));
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if (status == napi_ok) {
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_proto = Object::_createJSObject(ScriptEngine::getEnv(), proto, nullptr);
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_proto->root();
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}
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return true;
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}
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napi_status Class::inherit(napi_env env, napi_value subclass, napi_value superProto) {
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napi_value global, objectClass, setProto;
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napi_value argv[2];
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napi_value callbackResult = nullptr;
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napi_get_global(env, &global);
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napi_status status = napi_get_named_property(env, global, "Object", &objectClass);
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if (status != napi_ok) {
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return napi_ok;
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}
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status = napi_get_named_property(env, objectClass, "setPrototypeOf", &setProto);
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if (status != napi_ok) {
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return napi_ok;
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}
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status = napi_get_named_property(env, subclass, "prototype", &argv[0]);
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if (status != napi_ok) {
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return napi_ok;
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}
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argv[1] = superProto;
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status = napi_call_function(env, objectClass, setProto, 2, argv, &callbackResult);
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if (status != napi_ok) {
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return napi_ok;
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}
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return napi_ok;
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}
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napi_value Class::_createJSObjectWithClass(Class *cls) {
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napi_value obj = nullptr;
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napi_status status;
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assert(cls);
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napi_value clsCtor = cls->_getCtorFunc();
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if (!clsCtor) {
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LOGE("get ctor func err");
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return nullptr;
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}
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se::ScriptEngine::getInstance()->_setNeedCallConstructor(false);
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NODE_API_CALL(status, ScriptEngine::getEnv(), napi_new_instance( ScriptEngine::getEnv(), clsCtor, 0, nullptr, &obj));
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se::ScriptEngine::getInstance()->_setNeedCallConstructor(true);
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return obj;
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}
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Object *Class::getProto() const {
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//not impl
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return _proto;
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}
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napi_ref Class::_getCtorRef() const {
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return _constructor;
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}
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napi_value Class::_getCtorFunc() const {
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assert(_constructor);
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napi_value result = nullptr;
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napi_status status;
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NODE_API_CALL(status, ScriptEngine::getEnv(), napi_get_reference_value(ScriptEngine::getEnv(), _constructor, &result));
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return result;
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}
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void Class::_setCtor(Object *obj) {
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assert(!_ctor.has_value());
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_ctor = obj;
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if (obj != nullptr) {
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obj->root();
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obj->incRef();
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}
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}
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void Class::destroy() {
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SAFE_DEC_REF(_parent);
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SAFE_DEC_REF(_proto);
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SAFE_DEC_REF(_parentProto);
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if (_ctor.has_value()) {
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if (_ctor.value() != nullptr) {
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_ctor.value()->unroot();
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_ctor.value()->decRef();
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}
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_ctor.reset();
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}
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}
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void Class::cleanup() {
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for (auto cls : __allClasses) {
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cls->destroy();
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}
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se::ScriptEngine::getInstance()->addAfterCleanupHook([]() {
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for (auto cls : __allClasses) {
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delete cls;
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}
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__allClasses.clear();
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});
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}
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}; // namespace se
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