| /* |
| Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies) |
| |
| This library is free software; you can redistribute it and/or |
| modify it under the terms of the GNU Library General Public |
| License as published by the Free Software Foundation; either |
| version 2 of the License, or (at your option) any later version. |
| |
| This library is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| Library General Public License for more details. |
| |
| You should have received a copy of the GNU Library General Public License |
| along with this library; see the file COPYING.LIB. If not, write to |
| the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
| Boston, MA 02110-1301, USA. |
| */ |
| |
| // Contains the necessary helper structures to make possible expose |
| // C/C++ functions to JavaScript environment. |
| |
| #include "config.h" |
| |
| #include "qscriptfunction_p.h" |
| |
| static void qt_NativeFunction_finalize(JSObjectRef object) |
| { |
| void* priv = JSObjectGetPrivate(object); |
| delete reinterpret_cast<QNativeFunctionData*>(priv); |
| } |
| |
| static JSValueRef qt_NativeFunction_callAsFunction(JSContextRef context, JSObjectRef object, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception) |
| { |
| QNativeFunctionData* data = reinterpret_cast<QNativeFunctionData*>(JSObjectGetPrivate(object)); |
| |
| // TODO: build a QScriptContext and use it in the native call. |
| QScriptContext* scriptContext = 0; |
| Q_UNUSED(context); |
| Q_UNUSED(thisObject); |
| Q_UNUSED(argumentCount); |
| Q_UNUSED(arguments); |
| Q_UNUSED(exception); |
| |
| QScriptEnginePrivate* engine = data->engine; |
| QScriptValuePrivate* result = QScriptValuePrivate::get(data->fun(scriptContext, QScriptEnginePrivate::get(engine))); |
| if (!result->isValid()) { |
| qWarning("Invalid value returned from native function, returning undefined value instead."); |
| return engine->makeJSValue(QScriptValue::UndefinedValue); |
| } |
| |
| // Make sure that the result will be assigned to the correct engine. |
| if (!result->engine()) { |
| Q_ASSERT(result->isValid()); |
| result->assignEngine(engine); |
| } else if (result->engine() != engine) { |
| qWarning("Value from different engine returned from native function, returning undefined value instead."); |
| return engine->makeJSValue(QScriptValue::UndefinedValue); |
| } |
| |
| return *result; |
| } |
| |
| JSClassDefinition qt_NativeFunctionClass = { |
| 0, // version |
| kJSClassAttributeNoAutomaticPrototype, // attributes |
| |
| "", // className |
| 0, // parentClass |
| |
| 0, // staticValues |
| 0, // staticFunctions |
| |
| 0, // initialize |
| qt_NativeFunction_finalize, // finalize |
| 0, // hasProperty |
| 0, // getProperty |
| 0, // setProperty |
| 0, // deleteProperty |
| 0, // getPropertyNames |
| qt_NativeFunction_callAsFunction, // callAsFunction |
| 0, // callAsConstructor |
| 0, // hasInstance |
| 0 // convertToType |
| }; |
| |
| static void qt_NativeFunctionWithArg_finalize(JSObjectRef object) |
| { |
| void* priv = JSObjectGetPrivate(object); |
| delete reinterpret_cast<QNativeFunctionWithArgData*>(priv); |
| } |
| |
| static JSValueRef qt_NativeFunctionWithArg_callAsFunction(JSContextRef context, JSObjectRef object, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception) |
| { |
| QNativeFunctionWithArgData* data = reinterpret_cast<QNativeFunctionWithArgData*>(JSObjectGetPrivate(object)); |
| |
| // TODO: build a QScriptContext and use it in the native call. |
| QScriptContext* scriptContext = 0; |
| Q_UNUSED(context); |
| Q_UNUSED(thisObject); |
| Q_UNUSED(argumentCount); |
| Q_UNUSED(arguments); |
| Q_UNUSED(exception); |
| |
| QScriptEnginePrivate* engine = data->engine; |
| QScriptValuePrivate* result = QScriptValuePrivate::get(data->fun(scriptContext, QScriptEnginePrivate::get(engine), data->arg)); |
| if (!result->isValid()) { |
| qWarning("Invalid value returned from native function, returning undefined value instead."); |
| return engine->makeJSValue(QScriptValue::UndefinedValue); |
| } |
| |
| // Make sure that the result will be assigned to the correct engine. |
| if (!result->engine()) { |
| Q_ASSERT(result->isValid()); |
| result->assignEngine(engine); |
| } else if (result->engine() != engine) { |
| qWarning("Value from different engine returned from native function, returning undefined value instead."); |
| return engine->makeJSValue(QScriptValue::UndefinedValue); |
| } |
| |
| return *result; |
| } |
| |
| JSClassDefinition qt_NativeFunctionWithArgClass = { |
| 0, // version |
| kJSClassAttributeNoAutomaticPrototype, // attributes |
| |
| "", // className |
| 0, // parentClass |
| |
| 0, // staticValues |
| 0, // staticFunctions |
| |
| 0, // initialize |
| qt_NativeFunctionWithArg_finalize, // finalize |
| 0, // hasProperty |
| 0, // getProperty |
| 0, // setProperty |
| 0, // deleteProperty |
| 0, // getPropertyNames |
| qt_NativeFunctionWithArg_callAsFunction, // callAsFunction |
| 0, // callAsConstructor |
| 0, // hasInstance |
| 0 // convertToType |
| }; |