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+/* -*- 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 _COMPHELPER_SERVICEHELPER_HXX_
+#define _COMPHELPER_SERVICEHELPER_HXX_
+
+#include <rtl/uuid.h>
+#include <rtl/instance.hxx>
+#include <com/sun/star/uno/Sequence.hxx>
+
+class UnoTunnelIdInit
+{
+private:
+ ::com::sun::star::uno::Sequence< sal_Int8 > m_aSeq;
+public:
+ UnoTunnelIdInit() : m_aSeq(16)
+ {
+ rtl_createUuid( (sal_uInt8*)m_aSeq.getArray(), 0, sal_True );
+ }
+ const ::com::sun::star::uno::Sequence< sal_Int8 >& getSeq() const { return m_aSeq; }
+};
+
+/** the UNO3_GETIMPLEMENTATION_* macros implement a static helper function
+ that gives access to your implementation for a given interface reference,
+ if possible.
+
+ Example:
+ MyClass* pClass = MyClass::getImplementation( xRef );
+
+ Usage:
+ Put a UNO3_GETIMPLEMENTATION_DECL( classname ) inside your class
+ definitian and UNO3_GETIMPLEMENTATION_IMPL( classname ) inside
+ your cxx file. Your class must inherit ::com::sun::star::uno::XUnoTunnel
+ and export it with queryInterface. Implementation of XUnoTunnel is
+ done by this macro.
+*/
+#define UNO3_GETIMPLEMENTATION_DECL( classname ) \
+ static const ::com::sun::star::uno::Sequence< sal_Int8 > & getUnoTunnelId() throw(); \
+ static classname* getImplementation( const ::com::sun::star::uno::Reference< ::com::sun::star::uno::XInterface >& xInt ); \
+ virtual sal_Int64 SAL_CALL getSomething( const ::com::sun::star::uno::Sequence< sal_Int8 >& aIdentifier ) throw(::com::sun::star::uno::RuntimeException);
+
+#define UNO3_GETIMPLEMENTATION_BASE_IMPL( classname ) \
+namespace \
+{ \
+ class the##classname##UnoTunnelId : public rtl::Static< UnoTunnelIdInit, the##classname##UnoTunnelId> {}; \
+} \
+const ::com::sun::star::uno::Sequence< sal_Int8 > & classname::getUnoTunnelId() throw() \
+{ \
+ return the##classname##UnoTunnelId::get().getSeq(); \
+} \
+\
+classname* classname::getImplementation( const uno::Reference< uno::XInterface >& xInt ) \
+{ \
+ ::com::sun::star::uno::Reference< ::com::sun::star::lang::XUnoTunnel > xUT( xInt, ::com::sun::star::uno::UNO_QUERY ); \
+ if( xUT.is() ) \
+ return reinterpret_cast<classname*>(sal::static_int_cast<sal_IntPtr>(xUT->getSomething( classname::getUnoTunnelId() ))); \
+ else \
+ return NULL; \
+}
+
+#define UNO3_GETIMPLEMENTATION_IMPL( classname )\
+UNO3_GETIMPLEMENTATION_BASE_IMPL(classname)\
+sal_Int64 SAL_CALL classname::getSomething( const ::com::sun::star::uno::Sequence< sal_Int8 >& rId ) throw(::com::sun::star::uno::RuntimeException) \
+{ \
+ if( rId.getLength() == 16 && 0 == memcmp( getUnoTunnelId().getConstArray(), \
+ rId.getConstArray(), 16 ) ) \
+ { \
+ return sal::static_int_cast<sal_Int64>(reinterpret_cast<sal_IntPtr>(this)); \
+ } \
+ return 0; \
+}
+
+#define UNO3_GETIMPLEMENTATION2_IMPL( classname, baseclass )\
+UNO3_GETIMPLEMENTATION_BASE_IMPL(classname)\
+sal_Int64 SAL_CALL classname::getSomething( const ::com::sun::star::uno::Sequence< sal_Int8 >& rId ) throw(::com::sun::star::uno::RuntimeException) \
+{ \
+ if( rId.getLength() == 16 && 0 == memcmp( getUnoTunnelId().getConstArray(), \
+ rId.getConstArray(), 16 ) ) \
+ { \
+ return sal::static_int_cast<sal_Int64>(reinterpret_cast<sal_IntPtr>(this)); \
+ } \
+ else \
+ { \
+ return baseclass::getSomething( rId ); \
+ } \
+}
+
+
+#endif // _COMPHELPER_SERVICEHELPER_HXX_
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */