mirror of
https://github.com/smallmain/cocos-enhance-kit.git
synced 2025-01-15 15:31:08 +00:00
247 lines
8.1 KiB
C++
247 lines
8.1 KiB
C++
/****************************************************************************
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Copyright (c) 2016 Chukong Technologies Inc.
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Copyright (c) 2017-2018 Xiamen Yaji Software Co., Ltd.
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http://www.cocos2d-x.org
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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 documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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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.hpp"
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#if SCRIPT_ENGINE_TYPE == SCRIPT_ENGINE_V8
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#include "Object.hpp"
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#include "Utils.hpp"
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#include "ScriptEngine.hpp"
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namespace se {
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// ------------------------------------------------------- Object
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namespace {
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// std::unordered_map<std::string, Class *> __clsMap;
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v8::Isolate* __isolate = nullptr;
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std::vector<Class*> __allClasses;
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}
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Class::Class()
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: _parent(nullptr)
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, _parentProto(nullptr)
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, _proto(nullptr)
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, _ctor(nullptr)
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, _finalizeFunc(nullptr)
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, _createProto(true)
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{
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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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}
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/* static */
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Class* Class::create(const std::string& clsName, se::Object* parent, Object* parentProto, v8::FunctionCallback ctor)
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{
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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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{
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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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bool Class::init(const std::string& clsName, Object* parent, Object* parentProto, v8::FunctionCallback ctor)
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{
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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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_ctor = ctor;
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_ctorTemplate.Reset(__isolate, v8::FunctionTemplate::New(__isolate, _ctor));
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v8::MaybeLocal<v8::String> jsNameVal = v8::String::NewFromUtf8(__isolate, _name.c_str(), v8::NewStringType::kNormal);
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if (jsNameVal.IsEmpty())
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return false;
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_ctorTemplate.Get(__isolate)->SetClassName(jsNameVal.ToLocalChecked());
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_ctorTemplate.Get(__isolate)->InstanceTemplate()->SetInternalFieldCount(1);
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return true;
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}
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void Class::destroy()
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{
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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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_ctorTemplate.Reset();
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}
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void Class::cleanup()
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{
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for (auto cls : __allClasses)
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{
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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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{
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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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void Class::setCreateProto(bool createProto)
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{
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_createProto = createProto;
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}
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bool Class::install()
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{
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// assert(__clsMap.find(_name) == __clsMap.end());
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//
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// __clsMap.emplace(_name, this);
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if (_parentProto != nullptr)
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{
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_ctorTemplate.Get(__isolate)->Inherit(_parentProto->_getClass()->_ctorTemplate.Get(__isolate));
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}
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v8::Local<v8::Context> context = __isolate->GetCurrentContext();
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v8::MaybeLocal<v8::Function> ctor = _ctorTemplate.Get(__isolate)->GetFunction(context);
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if (ctor.IsEmpty())
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return false;
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v8::Local<v8::Function> ctorChecked = ctor.ToLocalChecked();
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v8::MaybeLocal<v8::String> name = v8::String::NewFromUtf8(__isolate, _name.c_str(), v8::NewStringType::kNormal);
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if (name.IsEmpty())
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return false;
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v8::Maybe<bool> result = _parent->_getJSObject()->Set(context, name.ToLocalChecked(), ctorChecked);
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if (result.IsNothing())
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return false;
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v8::MaybeLocal<v8::String> prototypeName = v8::String::NewFromUtf8(__isolate, "prototype", v8::NewStringType::kNormal);
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if (prototypeName.IsEmpty())
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return false;
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v8::MaybeLocal<v8::Value> prototypeObj = ctorChecked->Get(context, prototypeName.ToLocalChecked());
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if (prototypeObj.IsEmpty())
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return false;
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if (_createProto)
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{
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// Proto object is released in Class::destroy.
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_proto = Object::_createJSObject(this, v8::Local<v8::Object>::Cast(prototypeObj.ToLocalChecked()));
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_proto->root();
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}
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return true;
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}
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bool Class::defineFunction(const char *name, v8::FunctionCallback func)
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{
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v8::MaybeLocal<v8::String> jsName = v8::String::NewFromUtf8(__isolate, name, v8::NewStringType::kNormal);
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if (jsName.IsEmpty())
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return false;
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_ctorTemplate.Get(__isolate)->PrototypeTemplate()->Set(jsName.ToLocalChecked(), v8::FunctionTemplate::New(__isolate, func));
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return true;
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}
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bool Class::defineProperty(const char *name, v8::AccessorNameGetterCallback getter, v8::AccessorNameSetterCallback setter)
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{
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v8::MaybeLocal<v8::String> jsName = v8::String::NewFromUtf8(__isolate, name, v8::NewStringType::kNormal);
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if (jsName.IsEmpty())
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return false;
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_ctorTemplate.Get(__isolate)->PrototypeTemplate()->SetAccessor(jsName.ToLocalChecked(), getter, setter);
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return true;
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}
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bool Class::defineStaticFunction(const char *name, v8::FunctionCallback func)
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{
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v8::MaybeLocal<v8::String> jsName = v8::String::NewFromUtf8(__isolate, name, v8::NewStringType::kNormal);
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if (jsName.IsEmpty())
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return false;
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_ctorTemplate.Get(__isolate)->Set(jsName.ToLocalChecked(), v8::FunctionTemplate::New(__isolate, func));
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return true;
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}
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bool Class::defineStaticProperty(const char *name, v8::AccessorNameGetterCallback getter, v8::AccessorNameSetterCallback setter)
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{
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v8::MaybeLocal<v8::String> jsName = v8::String::NewFromUtf8(__isolate, name, v8::NewStringType::kNormal);
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if (jsName.IsEmpty())
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return false;
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_ctorTemplate.Get(__isolate)->SetNativeDataProperty(jsName.ToLocalChecked(), getter, setter);
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return true;
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}
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bool Class::defineFinalizeFunction(V8FinalizeFunc finalizeFunc)
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{
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assert(finalizeFunc != nullptr);
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_finalizeFunc = finalizeFunc;
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return true;
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}
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// v8::Local<v8::Object> Class::_createJSObject(const std::string &clsName, Class** outCls)
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// {
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// auto iter = __clsMap.find(clsName);
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// if (iter == __clsMap.end())
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// {
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// *outCls = nullptr;
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// return v8::Local<v8::Object>::Cast(v8::Undefined(__isolate));
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// }
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//
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// *outCls = iter->second;
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// return _createJSObjectWithClass(iter->second);
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// }
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v8::Local<v8::Object> Class::_createJSObjectWithClass(Class* cls)
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{
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v8::MaybeLocal<v8::Object> ret = cls->_ctorTemplate.Get(__isolate)->InstanceTemplate()->NewInstance(__isolate->GetCurrentContext());
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assert(!ret.IsEmpty());
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return ret.ToLocalChecked();
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}
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Object* Class::getProto() const
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{
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return _proto;
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}
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V8FinalizeFunc Class::_getFinalizeFunction() const
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{
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return _finalizeFunc;
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}
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/* static */
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void Class::setIsolate(v8::Isolate* isolate)
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{
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__isolate = isolate;
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}
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} // namespace se {
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#endif // #if SCRIPT_ENGINE_TYPE == SCRIPT_ENGINE_V8
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