Adding upstream version 1:7.0.4.upstream/1%7.0.4upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 155 insertions, 0 deletions

diff --git a/include/tools/weakbase.hxx b/include/tools/weakbase.hxx
new file mode 100644
index 000000000..5c1645e69
--- /dev/null
+++ b/include/tools/weakbase.hxx
@@ -0,0 +1,155 @@
+/* -*- 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_TOOLS_WEAKBASE_HXX
+#define INCLUDED_TOOLS_WEAKBASE_HXX
+
+#include <tools/weakbase.h>
+
+/// see weakbase.h for documentation
+
+namespace tools
+{
+
+template< class reference_type >
+inline WeakReference< reference_type >::WeakReference()
+{
+    mpWeakConnection = new WeakConnection;
+}
+
+template< class reference_type >
+inline WeakReference< reference_type >::WeakReference( reference_type* pReference )
+{
+    reset( pReference );
+}
+
+template< class reference_type >
+inline WeakReference< reference_type >::WeakReference( const WeakReference< reference_type >& rWeakRef )
+{
+    mpWeakConnection = rWeakRef.mpWeakConnection;
+}
+
+template< class reference_type >
+inline WeakReference< reference_type >::WeakReference( WeakReference< reference_type >&& rWeakRef )
+{
+    mpWeakConnection = std::move(rWeakRef.mpWeakConnection);
+}
+
+template< class reference_type >
+inline bool WeakReference< reference_type >::is() const
+{
+    return mpWeakConnection->mpReference != nullptr;
+}
+
+template< class reference_type >
+inline reference_type * WeakReference< reference_type >::get() const
+{
+    auto pWeakBase = mpWeakConnection->mpReference;
+    if (!pWeakBase)
+        return nullptr;
+    assert(dynamic_cast<reference_type *>(pWeakBase));
+    return static_cast<reference_type *>(pWeakBase);
+}
+
+template< class reference_type >
+inline void WeakReference< reference_type >::reset( reference_type* pReference )
+{
+    if( pReference )
+        mpWeakConnection = pReference->getWeakConnection();
+    else
+        mpWeakConnection = new WeakConnection;
+}
+
+template< class reference_type >
+inline reference_type * WeakReference< reference_type >::operator->() const
+{
+    return get();
+}
+
+template< class reference_type >
+inline reference_type& WeakReference< reference_type >::operator*() const
+{
+    return *get();
+}
+
+template< class reference_type >
+inline bool WeakReference< reference_type >::operator==(const reference_type * pReferenceObject) const
+{
+    return mpWeakConnection->mpReference == pReferenceObject;
+}
+
+template< class reference_type >
+inline bool WeakReference< reference_type >::operator==(const WeakReference<reference_type> & handle) const
+{
+    return mpWeakConnection == handle.mpWeakConnection;
+}
+
+template< class reference_type >
+inline bool WeakReference< reference_type >::operator!=(const WeakReference<reference_type> & handle) const
+{
+    return mpWeakConnection != handle.mpWeakConnection;
+}
+
+template< class reference_type >
+inline bool WeakReference< reference_type >::operator<(const WeakReference<reference_type> & handle) const
+{
+    return mpWeakConnection->mpReference < handle.mpWeakConnection->mpReference;
+}
+
+template< class reference_type >
+inline bool WeakReference< reference_type >::operator>(const WeakReference<reference_type> & handle) const
+{
+    return mpWeakConnection->mpReference > handle.mpWeakConnection->mpReference;
+}
+
+template< class reference_type >
+inline WeakReference<reference_type>& WeakReference<reference_type>::operator= (
+    const WeakReference<reference_type>& rReference)
+{
+    if (&rReference != this)
+        mpWeakConnection = rReference.mpWeakConnection;
+    return *this;
+}
+
+template< class reference_type >
+inline WeakReference<reference_type>& WeakReference<reference_type>::operator= (
+    WeakReference<reference_type>&& rReference)
+{
+    mpWeakConnection = std::move(rReference.mpWeakConnection);
+    return *this;
+}
+
+inline void WeakBase::clearWeak()
+{
+    if( mpWeakConnection.is() )
+        mpWeakConnection->mpReference = nullptr;
+}
+
+inline WeakConnection* WeakBase::getWeakConnection()
+{
+    if( !mpWeakConnection.is() )
+        mpWeakConnection = new WeakConnection( this );
+    return mpWeakConnection.get();
+}
+
+}
+
+#endif
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */