1 files changed, 152 insertions, 0 deletions
diff --git a/dbaccess/source/shared/registrationhelper.cxx b/dbaccess/source/shared/registrationhelper.cxx
new file mode 100644
index 000000000..2c9fbc1f1
--- /dev/null
+++ b/dbaccess/source/shared/registrationhelper.cxx
@@ -0,0 +1,152 @@
+/* -*- 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 .
+ */
+
+// be included in other cxx files
+
+#ifndef REGISTRATIONHELPER_CXX_INCLUDED_INDIRECTLY_
+#error "don't build this file directly! use dbu_reghelper.cxx instead!"
+#endif
+
+using namespace ::com::sun::star;
+using namespace ::comphelper;
+using namespace ::cppu;
+
+uno::Sequence< OUString >*                   OModuleRegistration::s_pImplementationNames = nullptr;
+uno::Sequence< uno::Sequence< OUString > >*  OModuleRegistration::s_pSupportedServices = nullptr;
+uno::Sequence< sal_Int64 >*                 OModuleRegistration::s_pCreationFunctionPointers = nullptr;
+uno::Sequence< sal_Int64 >*                 OModuleRegistration::s_pFactoryFunctionPointers = nullptr;
+
+void OModuleRegistration::registerComponent(
+    const OUString& _rImplementationName,
+    const uno::Sequence< OUString >& _rServiceNames,
+    ComponentInstantiation _pCreateFunction,
+    FactoryInstantiation _pFactoryFunction)
+{
+    if (!s_pImplementationNames)
+    {
+        OSL_ENSURE(!s_pSupportedServices && !s_pCreationFunctionPointers && !s_pFactoryFunctionPointers,
+            "OModuleRegistration::registerComponent : inconsistent state (the pointers (1)) !");
+        s_pImplementationNames = new uno::Sequence< OUString >;
+        s_pSupportedServices = new uno::Sequence< uno::Sequence< OUString > >;
+        s_pCreationFunctionPointers = new uno::Sequence< sal_Int64 >;
+        s_pFactoryFunctionPointers = new uno::Sequence< sal_Int64 >;
+    }
+    OSL_ENSURE(s_pImplementationNames && s_pSupportedServices && s_pCreationFunctionPointers && s_pFactoryFunctionPointers,
+        "OModuleRegistration::registerComponent : inconsistent state (the pointers (2)) !");
+
+    OSL_ENSURE( (s_pImplementationNames->getLength() == s_pSupportedServices->getLength())
+                &&  (s_pImplementationNames->getLength() == s_pCreationFunctionPointers->getLength())
+                &&  (s_pImplementationNames->getLength() == s_pFactoryFunctionPointers->getLength()),
+        "OModuleRegistration::registerComponent : inconsistent state !");
+
+    sal_Int32 nOldLen = s_pImplementationNames->getLength();
+    s_pImplementationNames->realloc(nOldLen + 1);
+    s_pSupportedServices->realloc(nOldLen + 1);
+    s_pCreationFunctionPointers->realloc(nOldLen + 1);
+    s_pFactoryFunctionPointers->realloc(nOldLen + 1);
+
+    s_pImplementationNames->getArray()[nOldLen] = _rImplementationName;
+    s_pSupportedServices->getArray()[nOldLen] = _rServiceNames;
+    s_pCreationFunctionPointers->getArray()[nOldLen] = reinterpret_cast<sal_Int64>(_pCreateFunction);
+    s_pFactoryFunctionPointers->getArray()[nOldLen] = reinterpret_cast<sal_Int64>(_pFactoryFunction);
+}
+
+void OModuleRegistration::revokeComponent(const OUString& _rImplementationName)
+{
+    if (!s_pImplementationNames)
+    {
+        OSL_FAIL("OModuleRegistration::revokeComponent : have no class infos ! Are you sure called this method at the right time ?");
+        return;
+    }
+    OSL_ENSURE(s_pImplementationNames && s_pSupportedServices && s_pCreationFunctionPointers && s_pFactoryFunctionPointers,
+        "OModuleRegistration::revokeComponent : inconsistent state (the pointers) !");
+    OSL_ENSURE( (s_pImplementationNames->getLength() == s_pSupportedServices->getLength())
+                &&  (s_pImplementationNames->getLength() == s_pCreationFunctionPointers->getLength())
+                &&  (s_pImplementationNames->getLength() == s_pFactoryFunctionPointers->getLength()),
+        "OModuleRegistration::revokeComponent : inconsistent state !");
+
+    sal_Int32 nLen = s_pImplementationNames->getLength();
+    const OUString* pImplNames = s_pImplementationNames->getConstArray();
+    for (sal_Int32 i=0; i<nLen; ++i, ++pImplNames)
+    {
+        if (*pImplNames == _rImplementationName)
+        {
+            removeElementAt(*s_pImplementationNames, i);
+            removeElementAt(*s_pSupportedServices, i);
+            removeElementAt(*s_pCreationFunctionPointers, i);
+            removeElementAt(*s_pFactoryFunctionPointers, i);
+            break;
+        }
+    }
+
+    if (s_pImplementationNames->getLength() == 0)
+    {
+        delete s_pImplementationNames; s_pImplementationNames = nullptr;
+        delete s_pSupportedServices; s_pSupportedServices = nullptr;
+        delete s_pCreationFunctionPointers; s_pCreationFunctionPointers = nullptr;
+        delete s_pFactoryFunctionPointers; s_pFactoryFunctionPointers = nullptr;
+    }
+}
+
+uno::Reference< uno::XInterface > OModuleRegistration::getComponentFactory(
+    const OUString& _rImplementationName,
+    const uno::Reference< lang::XMultiServiceFactory >& _rxServiceManager)
+{
+    OSL_ENSURE(_rxServiceManager.is(), "OModuleRegistration::getComponentFactory : invalid argument (service manager) !");
+    OSL_ENSURE(!_rImplementationName.isEmpty(), "OModuleRegistration::getComponentFactory : invalid argument (implementation name) !");
+
+    if (!s_pImplementationNames)
+    {
+        OSL_FAIL("OModuleRegistration::getComponentFactory : have no class infos ! Are you sure called this method at the right time ?");
+        return nullptr;
+    }
+    OSL_ENSURE(s_pImplementationNames && s_pSupportedServices && s_pCreationFunctionPointers && s_pFactoryFunctionPointers,
+        "OModuleRegistration::getComponentFactory : inconsistent state (the pointers) !");
+    OSL_ENSURE( (s_pImplementationNames->getLength() == s_pSupportedServices->getLength())
+                &&  (s_pImplementationNames->getLength() == s_pCreationFunctionPointers->getLength())
+                &&  (s_pImplementationNames->getLength() == s_pFactoryFunctionPointers->getLength()),
+        "OModuleRegistration::getComponentFactory : inconsistent state !");
+
+    uno::Reference< uno::XInterface > xReturn;
+
+    sal_Int32 nLen = s_pImplementationNames->getLength();
+    const OUString* pImplName = s_pImplementationNames->getConstArray();
+    const uno::Sequence< OUString >* pServices = s_pSupportedServices->getConstArray();
+    const sal_Int64* pComponentFunction = s_pCreationFunctionPointers->getConstArray();
+    const sal_Int64* pFactoryFunction = s_pFactoryFunctionPointers->getConstArray();
+
+    for (sal_Int32 i=0; i<nLen; ++i, ++pImplName, ++pServices, ++pComponentFunction, ++pFactoryFunction)
+    {
+        if (*pImplName == _rImplementationName)
+        {
+            const FactoryInstantiation FactoryInstantiationFunction = reinterpret_cast<FactoryInstantiation>(*pFactoryFunction);
+            const ComponentInstantiation ComponentInstantiationFunction = reinterpret_cast<ComponentInstantiation>(*pComponentFunction);
+
+            xReturn = FactoryInstantiationFunction( _rxServiceManager, *pImplName, ComponentInstantiationFunction, *pServices, nullptr);
+            if (xReturn.is())
+            {
+                return xReturn.get();
+            }
+        }
+    }
+
+    return nullptr;
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */