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-rw-r--r--cppu/source/uno/IdentityMapping.cxx104
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diff --git a/cppu/source/uno/IdentityMapping.cxx b/cppu/source/uno/IdentityMapping.cxx
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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 .
+ */
+
+#include "IdentityMapping.hxx"
+
+#include <typelib/typedescription.h>
+#include <uno/mapping.h>
+#include <uno/environment.hxx>
+
+#include <osl/interlck.h>
+
+
+using namespace ::com::sun::star;
+
+namespace {
+
+struct IdentityMapping : public uno_Mapping
+{
+ sal_Int32 m_nRef;
+ uno::Environment m_env;
+
+ explicit IdentityMapping(uno::Environment const & rEnv);
+};
+
+}
+
+extern "C"
+{
+
+static void s_free(uno_Mapping * pMapping)
+{
+ delete static_cast<IdentityMapping *>(pMapping);
+}
+
+static void s_acquire(uno_Mapping * pMapping)
+{
+ static OUString s_purpose;
+
+ if (1 == osl_atomic_increment(&static_cast<IdentityMapping *>(pMapping)->m_nRef))
+ {
+ uno_registerMapping(
+ &pMapping,
+ s_free,
+ static_cast<IdentityMapping *>(pMapping)->m_env.get(),
+ static_cast<IdentityMapping *>(pMapping)->m_env.get(),
+ s_purpose.pData);
+ }
+}
+
+static void s_release(uno_Mapping * pMapping)
+{
+ if (!osl_atomic_decrement(&static_cast<IdentityMapping *>(pMapping )->m_nRef))
+ uno_revokeMapping(pMapping);
+}
+
+static void s_mapInterface(uno_Mapping * pMapping,
+ void ** ppOut,
+ void * pInterface,
+ SAL_UNUSED_PARAMETER typelib_InterfaceTypeDescription * /*pInterfaceTypeDescr*/)
+{
+ *ppOut = pInterface;
+
+ if (pInterface)
+ {
+ IdentityMapping * that = static_cast<IdentityMapping *>(pMapping);
+
+ (that->m_env.get()->pExtEnv->acquireInterface)(that->m_env.get()->pExtEnv, pInterface);
+ }
+}
+}
+
+
+IdentityMapping::IdentityMapping(uno::Environment const & rEnv)
+ : m_nRef(0),
+ m_env(rEnv)
+{
+ uno_Mapping::acquire = s_acquire;
+ uno_Mapping::release = s_release;
+ uno_Mapping::mapInterface = s_mapInterface;
+}
+
+
+uno_Mapping * createIdentityMapping(uno::Environment const & rEnv)
+{
+ return new IdentityMapping(rEnv);
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */