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| -rw-r--r-- | include/cppuhelper/implbase2.hxx | 304 |
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diff --git a/include/cppuhelper/implbase2.hxx b/include/cppuhelper/implbase2.hxx new file mode 100644 index 000000000..c142cd3fd --- /dev/null +++ b/include/cppuhelper/implbase2.hxx @@ -0,0 +1,304 @@ +/* -*- 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_IMPLBASE2_HXX +#define INCLUDED_CPPUHELPER_IMPLBASE2_HXX + +#include "cppuhelper/implbase_ex.hxx" +#include "rtl/instance.hxx" +#include "cppuhelper/weak.hxx" +#include "cppuhelper/weakagg.hxx" +#include "com/sun/star/lang/XTypeProvider.hpp" + +namespace cppu +{ + /// @cond INTERNAL + + struct class_data2 + { + sal_Int16 m_nTypes; + sal_Bool m_storedTypeRefs; + sal_Bool m_storedId; + sal_Int8 m_id[ 16 ]; + type_entry m_typeEntries[ 2 + 1 ]; + }; + + template< typename Ifc1, typename Ifc2, typename Impl > struct SAL_WARN_UNUSED ImplClassData2 + { + class_data* operator ()() + { + static class_data2 s_cd = + { + 2 +1, false, false, + { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, + { + CPPUHELPER_DETAIL_TYPEENTRY(Ifc1), + CPPUHELPER_DETAIL_TYPEENTRY(Ifc2), + CPPUHELPER_DETAIL_TYPEENTRY(css::lang::XTypeProvider) + } + }; + return reinterpret_cast< class_data * >(&s_cd); + } + }; + + /// @endcond + + /** Implementation helper implementing interface css::lang::XTypeProvider + and queryInterface(), but no reference counting. + + @derive + Inherit from this class giving your interface(s) to be implemented as template argument(s). + Your base class defines method implementations, acquire(), release() and delegates incoming + queryInterface() calls to this base class. + */ + template< class Ifc1, class Ifc2 > + class SAL_NO_VTABLE SAL_DLLPUBLIC_TEMPLATE ImplHelper2 + : public css::lang::XTypeProvider + , public Ifc1, public Ifc2 + { + struct cd : public rtl::StaticAggregate< class_data, ImplClassData2 < Ifc1, Ifc2, ImplHelper2<Ifc1, Ifc2> > > {}; + public: +#if defined LIBO_INTERNAL_ONLY + ImplHelper2() = default; + ImplHelper2(ImplHelper2 const &) = default; + ImplHelper2(ImplHelper2 &&) = default; + ImplHelper2 & operator =(ImplHelper2 const &) = default; + ImplHelper2 & operator =(ImplHelper2 &&) = default; +#endif + + virtual css::uno::Any SAL_CALL queryInterface( css::uno::Type const & rType ) SAL_OVERRIDE + { return ImplHelper_query( rType, cd::get(), this ); } + virtual css::uno::Sequence< css::uno::Type > SAL_CALL getTypes() SAL_OVERRIDE + { return ImplHelper_getTypes( cd::get() ); } + virtual css::uno::Sequence< sal_Int8 > SAL_CALL getImplementationId() SAL_OVERRIDE + { return ImplHelper_getImplementationId( cd::get() ); } + +#if !defined _MSC_VER // public -> protected changes mangled names there + protected: +#elif defined __clang__ +#pragma clang diagnostic push +#pragma clang diagnostic ignored "-Wnon-virtual-dtor" +#endif + ~ImplHelper2() throw () {} +#if defined _MSC_VER && defined __clang__ +#pragma clang diagnostic pop +#endif + }; + /** Implementation helper implementing interfaces css::lang::XTypeProvider and + css::uno::XInterface which supports weak mechanism to be held weakly + (supporting css::uno::XWeak through ::cppu::OWeakObject). + + @derive + Inherit from this class giving your interface(s) to be implemented as template argument(s). + Your sub class defines method implementations for these interface(s). + */ + template< class Ifc1, class Ifc2 > + class SAL_NO_VTABLE SAL_DLLPUBLIC_TEMPLATE SAL_DLLPUBLIC_EXPORT WeakImplHelper2 + : public OWeakObject + , public css::lang::XTypeProvider + , public Ifc1, public Ifc2 + { + struct cd : public rtl::StaticAggregate< class_data, ImplClassData2 < Ifc1, Ifc2, WeakImplHelper2<Ifc1, Ifc2> > > {}; + public: + virtual css::uno::Any SAL_CALL queryInterface( css::uno::Type const & rType ) SAL_OVERRIDE + { return WeakImplHelper_query( rType, cd::get(), this, static_cast<OWeakObject *>(this) ); } + virtual void SAL_CALL acquire() throw () SAL_OVERRIDE + { OWeakObject::acquire(); } + virtual void SAL_CALL release() throw () SAL_OVERRIDE + { OWeakObject::release(); } + virtual css::uno::Sequence< css::uno::Type > SAL_CALL getTypes() SAL_OVERRIDE + { return WeakImplHelper_getTypes( cd::get() ); } + virtual css::uno::Sequence< sal_Int8 > SAL_CALL getImplementationId() SAL_OVERRIDE + { return ImplHelper_getImplementationId( cd::get() ); } + }; + /** Implementation helper implementing interfaces css::lang::XTypeProvider and + css::uno::XInterface which supports weak mechanism to be held weakly + (supporting css::uno::XWeak through ::cppu::OWeakAggObject). + In addition, it supports also aggregation meaning object of this class can be aggregated + (css::uno::XAggregation through ::cppu::OWeakAggObject). + If a delegator is set (this object is aggregated), then incoming queryInterface() + calls are delegated to the delegator object. If the delegator does not support the + demanded interface, it calls queryAggregation() on its aggregated objects. + + @derive + Inherit from this class giving your interface(s) to be implemented as template argument(s). + Your sub class defines method implementations for these interface(s). + */ + template< class Ifc1, class Ifc2 > + class SAL_NO_VTABLE SAL_DLLPUBLIC_TEMPLATE WeakAggImplHelper2 + : public OWeakAggObject + , public css::lang::XTypeProvider + , public Ifc1, public Ifc2 + { + struct cd : public rtl::StaticAggregate< class_data, ImplClassData2 < Ifc1, Ifc2, WeakAggImplHelper2<Ifc1, Ifc2> > > {}; + public: + virtual css::uno::Any SAL_CALL queryInterface( css::uno::Type const & rType ) SAL_OVERRIDE + { return OWeakAggObject::queryInterface( rType ); } + virtual css::uno::Any SAL_CALL queryAggregation( css::uno::Type const & rType ) SAL_OVERRIDE + { return WeakAggImplHelper_queryAgg( rType, cd::get(), this, static_cast<OWeakAggObject *>(this) ); } + virtual void SAL_CALL acquire() throw () SAL_OVERRIDE + { OWeakAggObject::acquire(); } + virtual void SAL_CALL release() throw () SAL_OVERRIDE + { OWeakAggObject::release(); } + virtual css::uno::Sequence< css::uno::Type > SAL_CALL getTypes() SAL_OVERRIDE + { return WeakAggImplHelper_getTypes( cd::get() ); } + virtual css::uno::Sequence< sal_Int8 > SAL_CALL getImplementationId() SAL_OVERRIDE + { return ImplHelper_getImplementationId( cd::get() ); } + }; + /** Implementation helper implementing interfaces css::lang::XTypeProvider and + css::uno::XInterface 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 a sense, that css::uno::XInterface + and css::lang::XTypeProvider are implemented properly. The + BaseClass must have at least one ctor that can be called with six or + fewer arguments, of which none is of non-const reference type. + + @derive + Inherit from this class giving your additional interface(s) to be implemented as + template argument(s). Your sub class defines method implementations for these interface(s). + */ + template< class BaseClass, class Ifc1, class Ifc2 > + class SAL_NO_VTABLE SAL_DLLPUBLIC_TEMPLATE ImplInheritanceHelper2 + : public BaseClass + , public Ifc1, public Ifc2 + { + struct cd : public rtl::StaticAggregate< class_data, ImplClassData2 < Ifc1, Ifc2, ImplInheritanceHelper2<BaseClass, Ifc1, Ifc2> > > {}; + protected: + template< typename T1 > + explicit ImplInheritanceHelper2(T1 const & arg1): BaseClass(arg1) {} + template< typename T1, typename T2 > + ImplInheritanceHelper2(T1 const & arg1, T2 const & arg2): + BaseClass(arg1, arg2) {} + template< typename T1, typename T2, typename T3 > + ImplInheritanceHelper2( + T1 const & arg1, T2 const & arg2, T3 const & arg3): + BaseClass(arg1, arg2, arg3) {} + template< typename T1, typename T2, typename T3, typename T4 > + ImplInheritanceHelper2( + T1 const & arg1, T2 const & arg2, T3 const & arg3, T4 const & arg4): + BaseClass(arg1, arg2, arg3, arg4) {} + template< + typename T1, typename T2, typename T3, typename T4, typename T5 > + ImplInheritanceHelper2( + T1 const & arg1, T2 const & arg2, T3 const & arg3, T4 const & arg4, + T5 const & arg5): + BaseClass(arg1, arg2, arg3, arg4, arg5) {} + template< + typename T1, typename T2, typename T3, typename T4, typename T5, + typename T6 > + ImplInheritanceHelper2( + T1 const & arg1, T2 const & arg2, T3 const & arg3, T4 const & arg4, + T5 const & arg5, T6 const & arg6): + BaseClass(arg1, arg2, arg3, arg4, arg5, arg6) {} + public: + ImplInheritanceHelper2() {} + virtual css::uno::Any SAL_CALL queryInterface( css::uno::Type const & rType ) SAL_OVERRIDE + { + css::uno::Any aRet( ImplHelper_queryNoXInterface( rType, cd::get(), this ) ); + if (aRet.hasValue()) + return aRet; + return BaseClass::queryInterface( rType ); + } + virtual void SAL_CALL acquire() throw () SAL_OVERRIDE + { BaseClass::acquire(); } + virtual void SAL_CALL release() throw () SAL_OVERRIDE + { BaseClass::release(); } + virtual css::uno::Sequence< css::uno::Type > SAL_CALL getTypes() SAL_OVERRIDE + { return ImplInhHelper_getTypes( cd::get(), BaseClass::getTypes() ); } + virtual css::uno::Sequence< sal_Int8 > SAL_CALL getImplementationId() SAL_OVERRIDE + { return ImplHelper_getImplementationId( cd::get() ); } + }; + /** Implementation helper implementing interfaces css::lang::XTypeProvider and + css::uno::XInterface inheriting from a BaseClass. + All acquire(), release() and queryInterface() calls are delegated to the BaseClass. + Upon queryAggregation(), 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 a sense, that css::uno::XInterface, + css::uno::XAggregation and css::lang::XTypeProvider + are implemented properly. The BaseClass must have at least one ctor + that can be called with six or fewer arguments, of which none is of + non-const reference type. + + @derive + Inherit from this class giving your additional interface(s) to be implemented as + template argument(s). Your sub class defines method implementations for these interface(s). + */ + template< class BaseClass, class Ifc1, class Ifc2 > + class SAL_NO_VTABLE SAL_DLLPUBLIC_TEMPLATE AggImplInheritanceHelper2 + : public BaseClass + , public Ifc1, public Ifc2 + { + struct cd : public rtl::StaticAggregate< class_data, ImplClassData2 < Ifc1, Ifc2, AggImplInheritanceHelper2<BaseClass, Ifc1, Ifc2> > > {}; + protected: + template< typename T1 > + explicit AggImplInheritanceHelper2(T1 const & arg1): BaseClass(arg1) {} + template< typename T1, typename T2 > + AggImplInheritanceHelper2(T1 const & arg1, T2 const & arg2): + BaseClass(arg1, arg2) {} + template< typename T1, typename T2, typename T3 > + AggImplInheritanceHelper2( + T1 const & arg1, T2 const & arg2, T3 const & arg3): + BaseClass(arg1, arg2, arg3) {} + template< typename T1, typename T2, typename T3, typename T4 > + AggImplInheritanceHelper2( + T1 const & arg1, T2 const & arg2, T3 const & arg3, T4 const & arg4): + BaseClass(arg1, arg2, arg3, arg4) {} + template< + typename T1, typename T2, typename T3, typename T4, typename T5 > + AggImplInheritanceHelper2( + T1 const & arg1, T2 const & arg2, T3 const & arg3, T4 const & arg4, + T5 const & arg5): + BaseClass(arg1, arg2, arg3, arg4, arg5) {} + template< + typename T1, typename T2, typename T3, typename T4, typename T5, + typename T6 > + AggImplInheritanceHelper2( + T1 const & arg1, T2 const & arg2, T3 const & arg3, T4 const & arg4, + T5 const & arg5, T6 const & arg6): + BaseClass(arg1, arg2, arg3, arg4, arg5, arg6) {} + public: + AggImplInheritanceHelper2() {} + virtual css::uno::Any SAL_CALL queryInterface( css::uno::Type const & rType ) SAL_OVERRIDE + { return BaseClass::queryInterface( rType ); } + virtual css::uno::Any SAL_CALL queryAggregation( css::uno::Type const & rType ) SAL_OVERRIDE + { + css::uno::Any aRet( ImplHelper_queryNoXInterface( rType, cd::get(), this ) ); + if (aRet.hasValue()) + return aRet; + return BaseClass::queryAggregation( rType ); + } + virtual void SAL_CALL acquire() throw () SAL_OVERRIDE + { BaseClass::acquire(); } + virtual void SAL_CALL release() throw () SAL_OVERRIDE + { BaseClass::release(); } + virtual css::uno::Sequence< css::uno::Type > SAL_CALL getTypes() SAL_OVERRIDE + { return ImplInhHelper_getTypes( cd::get(), BaseClass::getTypes() ); } + virtual css::uno::Sequence< sal_Int8 > SAL_CALL getImplementationId() SAL_OVERRIDE + { return ImplHelper_getImplementationId( cd::get() ); } + }; +} + +#endif + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |