mirror of
https://github.com/smallmain/cocos-enhance-kit.git
synced 2025-01-15 15:31:08 +00:00
379 lines
12 KiB
C++
379 lines
12 KiB
C++
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/****************************************************************************
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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 "Utils.hpp"
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#if SCRIPT_ENGINE_TYPE == SCRIPT_ENGINE_JSC
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#include "Object.hpp"
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#include "ScriptEngine.hpp"
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#include "../HandleObject.hpp"
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namespace se {
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namespace internal {
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namespace {
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JSContextRef __cx = nullptr;
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}
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void setContext(JSContextRef cx)
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{
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__cx = cx;
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}
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bool defineProperty(Object* obj, const char* name, JSObjectCallAsFunctionCallback jsGetter, JSObjectCallAsFunctionCallback jsSetter)
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{
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bool ok = true;
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Object* globalObject = ScriptEngine::getInstance()->getGlobalObject();
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Value v;
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ok = globalObject->getProperty("Object", &v);
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if (!ok || !v.isObject())
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{
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SE_LOGD("ERROR: couldn't find Object\n");
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return false;
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}
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Value definePropertyFunc;
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ok = v.toObject()->getProperty("defineProperty", &definePropertyFunc);
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if (!ok || !v.isObject())
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{
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SE_LOGD("ERROR: couldn't find Object.defineProperty\n");
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return false;
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}
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ValueArray args;
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args.reserve(3);
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args.push_back(Value(obj));
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args.push_back(Value(name));
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HandleObject desc(Object::createPlainObject());
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JSObjectRef getter = nullptr;
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if (jsGetter != nullptr)
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{
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getter = JSObjectMakeFunctionWithCallback(__cx, nullptr, jsGetter);
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}
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JSObjectRef setter = nullptr;
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if (jsSetter != nullptr)
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{
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setter = JSObjectMakeFunctionWithCallback(__cx, nullptr, jsSetter);
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}
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assert(getter != nullptr || setter != nullptr);
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if (getter != nullptr)
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{
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HandleObject getterObj(Object::_createJSObject(nullptr, getter));
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desc->setProperty("get", Value(getterObj));
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}
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if (setter != nullptr)
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{
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HandleObject setterObj(Object::_createJSObject(nullptr, setter));
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desc->setProperty("set", Value(setterObj));
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}
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args.push_back(Value(desc));
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definePropertyFunc.toObject()->call(args, nullptr);
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return true;
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}
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void jsToSeArgs(JSContextRef cx, unsigned short argc, const JSValueRef* argv, ValueArray* outArr)
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{
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outArr->reserve(argc);
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for (unsigned short i = 0; i < argc; ++i)
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{
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Value v;
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jsToSeValue(cx, argv[i], &v);
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outArr->push_back(v);
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}
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}
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void seToJsArgs(JSContextRef cx, const ValueArray& args, JSValueRef* outArr)
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{
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for (size_t i = 0, len = args.size(); i < len; ++i)
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{
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seToJsValue(cx, args[i], &outArr[i]);
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}
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}
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void jsToSeValue(JSContextRef cx, JSValueRef jsValue, Value* data)
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{
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if (JSValueIsNull(cx, jsValue))
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{
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data->setNull();
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}
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else if (JSValueIsUndefined(cx, jsValue))
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{
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data->setUndefined();
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}
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else if (JSValueIsNumber(cx, jsValue))
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{
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JSValueRef exception = nullptr;
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double number = JSValueToNumber(cx, jsValue, &exception);
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if (exception != nullptr)
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{
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ScriptEngine::getInstance()->_clearException(exception);
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}
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else
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{
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data->setNumber(number);
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}
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}
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else if (JSValueIsBoolean(cx, jsValue))
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{
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data->setBoolean(JSValueToBoolean(cx, jsValue));
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}
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else if (JSValueIsString(cx, jsValue))
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{
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std::string str;
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forceConvertJsValueToStdString(cx, jsValue, &str);
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data->setString(str);
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}
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else if (JSValueIsObject(cx, jsValue))
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{
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JSValueRef exception = nullptr;
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JSObjectRef jsobj = JSValueToObject(cx, jsValue, &exception);
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if (exception != nullptr)
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{
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ScriptEngine::getInstance()->_clearException(exception);
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}
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else
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{
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void* nativePtr = internal::getPrivate(jsobj);
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Object* obj = nullptr;
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if (nativePtr != nullptr)
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{
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obj = Object::getObjectWithPtr(nativePtr);
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}
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if (obj == nullptr)
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{
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obj = Object::_createJSObject(nullptr, jsobj);
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}
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data->setObject(obj, true);
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obj->decRef();
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}
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}
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else
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{
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assert(false);
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}
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}
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void seToJsValue(JSContextRef cx, const Value& v, JSValueRef* jsval)
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{
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switch (v.getType()) {
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case Value::Type::Null:
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*jsval = JSValueMakeNull(cx);
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break;
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case Value::Type::Number:
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*jsval = JSValueMakeNumber(cx, v.toNumber());
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break;
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case Value::Type::String:
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{
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JSStringRef str = JSStringCreateWithUTF8CString(v.toString().c_str());
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*jsval = JSValueMakeString(cx, str);
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JSStringRelease(str);
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}
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break;
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case Value::Type::Boolean:
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*jsval = JSValueMakeBoolean(cx, v.toBoolean());
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break;
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case Value::Type::Object:
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*jsval = v.toObject()->_getJSObject();
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break;
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default: // Undefined
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*jsval = JSValueMakeUndefined(cx);
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break;
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}
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}
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void forceConvertJsValueToStdString(JSContextRef cx, JSValueRef jsval, std::string* ret, bool ignoreException/* = false */)
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{
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JSValueRef exception = nullptr;
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JSStringRef jsstr = JSValueToStringCopy(cx, jsval, &exception);
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if (exception != nullptr)
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{
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// NOTE: ignoreException is true in ScriptEngine::_formatException because it's already in the _clearException process.
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// Adds this flag to avoid infinite loop of _clearException -> _formatException -> forceConvertJsValueToStdString -> _clearException -> ...
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if (!ignoreException)
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{
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ScriptEngine::getInstance()->_clearException(exception);
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}
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ret->clear();
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}
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else
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{
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jsStringToStdString(cx, jsstr, ret);
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}
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if (jsstr != nullptr)
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JSStringRelease(jsstr);
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}
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void jsStringToStdString(JSContextRef cx, JSStringRef jsStr, std::string* ret)
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{
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size_t len = JSStringGetLength(jsStr);
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const size_t BUF_SIZE = len * 4 + 1;
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char* buf = (char*)malloc(BUF_SIZE);
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memset(buf, 0, BUF_SIZE);
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JSStringGetUTF8CString(jsStr, buf, BUF_SIZE);
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*ret = buf;
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free(buf);
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}
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const char* KEY_PRIVATE_DATA = "__cc_private_data";
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bool hasPrivate(JSObjectRef obj)
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{
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void* data = JSObjectGetPrivate(obj);
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if (data != nullptr)
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return true;
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JSStringRef key = JSStringCreateWithUTF8CString(KEY_PRIVATE_DATA);
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bool found = JSObjectHasProperty(__cx, obj, key);
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JSStringRelease(key);
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return found;
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}
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void setPrivate(JSObjectRef obj, void* data, JSObjectFinalizeCallback finalizeCb)
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{
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bool ok = JSObjectSetPrivate(obj, data);
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if (ok)
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{
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return;
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}
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assert(finalizeCb);
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Object* privateObj = Object::createObjectWithClass(__jsb_CCPrivateData_class);
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privateObj->root();
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internal::PrivateData* privateData = (internal::PrivateData*)malloc(sizeof(internal::PrivateData));
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privateData->data = data;
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privateData->finalizeCb = finalizeCb;
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ok = JSObjectSetPrivate(privateObj->_getJSObject(), privateData);
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assert(ok);
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JSStringRef key = JSStringCreateWithUTF8CString(KEY_PRIVATE_DATA);
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JSValueRef exception = nullptr;
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JSObjectSetProperty(__cx, obj, key, privateObj->_getJSObject(), kJSPropertyAttributeDontEnum, &exception);
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if (exception != nullptr)
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{
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ScriptEngine::getInstance()->_clearException(exception);
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}
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JSStringRelease(key);
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privateObj->unroot();
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privateObj->decRef();
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}
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void* getPrivate(JSObjectRef obj)
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{
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void* data = JSObjectGetPrivate(obj);
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if (data != nullptr)
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return data;
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JSStringRef key = JSStringCreateWithUTF8CString(KEY_PRIVATE_DATA);
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bool found = JSObjectHasProperty(__cx, obj, key);
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if (found)
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{
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JSValueRef exception = nullptr;
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JSValueRef privateDataVal = JSObjectGetProperty(__cx, obj, key, &exception);
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do
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{
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if (exception != nullptr)
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break;
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JSObjectRef jsobj = JSValueToObject(__cx, privateDataVal, &exception);
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if (exception != nullptr)
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break;
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internal::PrivateData* privateData = (internal::PrivateData*)JSObjectGetPrivate(jsobj);
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assert(privateData != nullptr);
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data = privateData->data;
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} while(false);
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if (exception != nullptr)
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{
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ScriptEngine::getInstance()->_clearException(exception);
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}
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}
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JSStringRelease(key);
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return data;
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}
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void clearPrivate(JSObjectRef obj)
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{
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void* data = JSObjectGetPrivate(obj);
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if (data != nullptr)
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{
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JSObjectSetPrivate(obj, nullptr);
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}
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else
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{
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JSStringRef key = JSStringCreateWithUTF8CString(KEY_PRIVATE_DATA); //IDEA: cache the key string
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if (JSObjectHasProperty(__cx, obj, key))
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{
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JSValueRef exception = nullptr;
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do
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{
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JSValueRef value = JSObjectGetProperty(__cx, obj, key, &exception);
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if (exception != nullptr)
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break;
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JSObjectRef propertyObj = JSValueToObject(__cx, value, &exception);
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if (exception != nullptr)
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break;
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internal::PrivateData* privateData = (internal::PrivateData*)JSObjectGetPrivate(propertyObj);
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free(privateData);
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JSObjectSetPrivate(propertyObj, nullptr);
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bool ok = JSObjectDeleteProperty(__cx, obj, key, nullptr);
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assert(ok);
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} while (false);
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if (exception != nullptr)
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{
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ScriptEngine::getInstance()->_clearException(exception);
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}
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}
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JSStringRelease(key);
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}
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}
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}} // namespace se { namespace internal {
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#endif // #if SCRIPT_ENGINE_TYPE == SCRIPT_ENGINE_JSC
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