1 files changed, 112 insertions, 0 deletions
diff --git a/dbaccess/source/inc/registrationhelper.hxx b/dbaccess/source/inc/registrationhelper.hxx
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+++ b/dbaccess/source/inc/registrationhelper.hxx
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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 REGISTRATIONHELPER_INCLUDED_INDIRECTLY_
+#error "don't include this file directly! use dbu_reghelper.hxx instead!"
+#endif
+
+typedef css::uno::Reference< css::lang::XSingleServiceFactory > (*FactoryInstantiation)
+        (
+            const css::uno::Reference< css::lang::XMultiServiceFactory >& _rServiceManager,
+            const OUString & _rComponentName,
+            ::cppu::ComponentInstantiation _pCreateFunction,
+            const css::uno::Sequence< OUString > & _rServiceNames,
+            rtl_ModuleCount*
+        );
+
+class OModuleRegistration
+{
+    static  css::uno::Sequence< OUString >*
+        s_pImplementationNames;
+    static  css::uno::Sequence< css::uno::Sequence< OUString > >*
+        s_pSupportedServices;
+    static  css::uno::Sequence< sal_Int64 >*
+        s_pCreationFunctionPointers;
+    static  css::uno::Sequence< sal_Int64 >*
+        s_pFactoryFunctionPointers;
+
+    // no direct instantiation, only static members/methods
+    OModuleRegistration() = delete;
+
+public:
+    /** register a component implementing a service with the given data.
+        @param      _rImplementationName        the implementation name of the component
+        @param      _rServiceNames              the services the component supports
+        @param      _pCreateFunction            a function for creating an instance of the component
+        @param      _pFactoryFunction           a function for creating a factory for that component
+        @see revokeComponent
+    */
+    static void registerComponent(
+        const OUString& _rImplementationName,
+        const css::uno::Sequence< OUString >& _rServiceNames,
+        ::cppu::ComponentInstantiation _pCreateFunction,
+        FactoryInstantiation _pFactoryFunction);
+
+    /** revoke the registration for the specified component
+        @param      _rImplementationName        the implementation name of the component
+    */
+    static void revokeComponent(
+        const OUString& _rImplementationName);
+
+    /** creates a Factory for the component with the given implementation name. Usually used from within component_getFactory.
+        @param      _rxServiceManager       a pointer to an XMultiServiceFactory interface as got in component_getFactory
+        @param      _pImplementationName    the implementation name of the component
+        @return                             the XInterface access to a factory for the component
+    */
+    static css::uno::Reference< css::uno::XInterface > getComponentFactory(
+        const OUString& _rImplementationName,
+        const css::uno::Reference< css::lang::XMultiServiceFactory >& _rxServiceManager
+        );
+};
+
+template <class TYPE>
+class OMultiInstanceAutoRegistration
+{
+public:
+    /** assumed that the template argument has the three methods<BR>
+        <code>static OUString getImplementationName_Static()</code><BR>
+        <code>static css::uno::Sequence< OUString > getSupportedServiceNames_Static()</code><BR>
+        and<BR>
+        <code>static css::uno::Reference< css::uno::XInterface >
+            Create(const css::uno::Reference< css::lang::XMultiServiceFactory >&)</code><BR>
+        the instantiation of this object will automatically register the class via <code>OModuleRegistration::registerComponent</code>.
+        The factory creation function used is <code>::cppu::createSingleFactory</code>.<BR>
+    */
+    OMultiInstanceAutoRegistration();
+    ~OMultiInstanceAutoRegistration();
+};
+
+template <class TYPE>
+OMultiInstanceAutoRegistration<TYPE>::OMultiInstanceAutoRegistration()
+{
+    OModuleRegistration::registerComponent(
+        TYPE::getImplementationName_Static(),
+        TYPE::getSupportedServiceNames_Static(),
+        TYPE::Create,
+        ::cppu::createSingleFactory
+        );
+}
+
+template <class TYPE>
+OMultiInstanceAutoRegistration<TYPE>::~OMultiInstanceAutoRegistration()
+{
+    OModuleRegistration::revokeComponent(TYPE::getImplementationName_Static());
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */