implbase.hxx

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ /* * This file is part of the LibreOffice project. * * This Source Code Form is subject to the terms of the Mozilla Public * License, v. 2.0. If a copy of the MPL was not distributed with this * file, You can obtain one at http://mozilla.org/MPL/2.0/. * * This file incorporates work covered by the following license notice: * * Licensed to the Apache Software Foundation (ASF) under one or more * contributor license agreements. See the NOTICE file distributed * with this work for additional information regarding copyright * ownership. The ASF licenses this file to you under the Apache * License, Version 2.0 (the "License"); you may not use this file * except in compliance with the License. You may obtain a copy of * the License at http://www.apache.org/licenses/LICENSE-2.0 . */ #ifndef INCLUDED_CPPUHELPER_IMPLBASE_HXX #define INCLUDED_CPPUHELPER_IMPLBASE_HXX #include "sal/config.h" #include <cstddef> #include <utility> #include "com/sun/star/lang/XTypeProvider.hpp" #include "com/sun/star/uno/Any.h" #include "com/sun/star/uno/Sequence.hxx" #include "com/sun/star/uno/Type.h" #include "cppuhelper/implbase_ex.hxx" #include "cppuhelper/weak.hxx" #include "rtl/instance.hxx" #include "sal/types.h" #if defined LIBO_INTERNAL_ONLY // A replacement for ImplHelperN has deliberately been left out, as ImplHelperN // is unlikely ever be a better choice than WeakImplHelper, so all their // existing uses are probably confused and should use WeakImplHelper instead. // // Replacements for WeakAggImplHelperN and AggImplInheritanceHelperN have // deliberately been left out, as the underlying aggregation mechanism is known // broken in general and should not be used. namespace cppu { /// @cond INTERNAL namespace detail { template<std::size_t N> struct class_dataN { sal_Int16 m_nTypes; sal_Bool m_storedTypeRefs; sal_Bool m_storedId; sal_Int8 m_id[16]; type_entry m_typeEntries[N + 1]; }; template<typename Impl, typename... Ifc> struct ImplClassData { class_data * operator ()() { static class_dataN<sizeof... (Ifc)> s_cd = { sizeof... (Ifc) + 1, false, false, {}, { { { Ifc::static_type }, (reinterpret_cast<sal_IntPtr>( static_cast<Ifc *>(reinterpret_cast<Impl *>(16))) - 16) }..., CPPUHELPER_DETAIL_TYPEENTRY(css::lang::XTypeProvider) } }; return reinterpret_cast<class_data *>(&s_cd); } }; } /// @endcond /** Implementation helper implementing interfaces css::uno::XInterface, css::lang::XTypeProvider, and css::uno::XWeak (through cppu::OWeakObject). @derive Inherit from this class giving your interface(s) to be implemented as template argument(s). */ template<typename... Ifc> class SAL_NO_VTABLE SAL_DLLPUBLIC_TEMPLATE WeakImplHelper: public OWeakObject, public css::lang::XTypeProvider, public Ifc... { struct cd: rtl::StaticAggregate< class_data, detail::ImplClassData<WeakImplHelper, Ifc...>> {}; protected: WeakImplHelper() {} virtual ~WeakImplHelper() override {} public: WeakImplHelper(WeakImplHelper const &) = default; WeakImplHelper(WeakImplHelper &&) = default; WeakImplHelper & operator =(WeakImplHelper const &) = default; WeakImplHelper & operator =(WeakImplHelper &&) = default; css::uno::Any SAL_CALL queryInterface(css::uno::Type const & aType) override { return WeakImplHelper_query(aType, cd::get(), this, this); } void SAL_CALL acquire() SAL_NOEXCEPT override { OWeakObject::acquire(); } void SAL_CALL release() SAL_NOEXCEPT override { OWeakObject::release(); } css::uno::Sequence<css::uno::Type> SAL_CALL getTypes() override { return WeakImplHelper_getTypes(cd::get()); } css::uno::Sequence<sal_Int8> SAL_CALL getImplementationId() override { return css::uno::Sequence<sal_Int8>(); } }; /** Implementation helper implementing interfaces css::uno::XInterface and css::lang::XTypeProvider inheriting from a BaseClass. All acquire() and release() calls are delegated to the BaseClass. Upon queryInterface(), if a demanded interface is not supported by this class directly, the request is delegated to the BaseClass. @attention The BaseClass has to be complete in the sense that css::uno::XInterface and css::lang::XTypeProvider are implemented properly. @derive Inherit from this class giving your additional interface(s) to be implemented as template argument(s). */ template<typename BaseClass, typename... Ifc> class SAL_NO_VTABLE SAL_DLLPUBLIC_TEMPLATE ImplInheritanceHelper: public BaseClass, public Ifc... { struct cd: rtl::StaticAggregate< class_data, detail::ImplClassData<ImplInheritanceHelper, Ifc...>> {}; protected: template<typename... Arg> ImplInheritanceHelper(Arg &&... arg): BaseClass(std::forward<Arg>(arg)...) {} virtual ~ImplInheritanceHelper() {} public: ImplInheritanceHelper(ImplInheritanceHelper const &) = default; ImplInheritanceHelper(ImplInheritanceHelper &&) = default; ImplInheritanceHelper & operator =(ImplInheritanceHelper const &) = default; ImplInheritanceHelper & operator =(ImplInheritanceHelper &&) = default; css::uno::Any SAL_CALL queryInterface(css::uno::Type const & aType) override { css::uno::Any ret(ImplHelper_queryNoXInterface(aType, cd::get(), this)); return ret.hasValue() ? ret : BaseClass::queryInterface(aType); } void SAL_CALL acquire() SAL_NOEXCEPT override { BaseClass::acquire(); } void SAL_CALL release() SAL_NOEXCEPT override { BaseClass::release(); } css::uno::Sequence<css::uno::Type> SAL_CALL getTypes() override { return ImplInhHelper_getTypes(cd::get(), BaseClass::getTypes()); } css::uno::Sequence<sal_Int8> SAL_CALL getImplementationId() override { return css::uno::Sequence<sal_Int8>(); } }; } #endif #endif /* vim:set shiftwidth=4 softtabstop=4 expandtab: */

↑ V725 A dangerous cast of 'this' to 'void*' type in the 'cppu::WeakImplHelper' class, as it is followed by a subsequent cast to 'pcr::OPropertyBrowserController' type (see also propcontroller.cxx, line 560).