execute move of global headers

see https://gerrit.libreoffice.org/#/c/3367/
and Change-Id: I00c96fa77d04b33a6f8c8cd3490dfcd9bdc9e84a for details

Change-Id: I199a75bc4042af20817265d5ef85b1134a96ff5a

1 files changed, 224 insertions, 0 deletions

diff --git a/include/xmloff/uniref.hxx b/include/xmloff/uniref.hxx
new file mode 100644
index 000000000000..808ed8212b97
--- /dev/null
+++ b/include/xmloff/uniref.hxx
@@ -0,0 +1,224 @@
+/* -*- 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 _UNIVERSALL_REFERENCE_HXX
+#define _UNIVERSALL_REFERENCE_HXX
+
+#include "sal/config.h"
+#include "xmloff/dllapi.h"
+#include <sal/types.h>
+#include <osl/interlck.h>
+
+/**
+ * An instance of this class holds a pointer to an object. The lifetime of
+ * the object is controled by the instance. The constructor calls
+ * acquire() and the destructor calls release().
+ * You could delive your class from the baseclass UniRefBase wich implements
+ * the methods acquire and release, yet.
+ */
+template< class T > class UniReference
+{
+private:
+    T*  mpElement;
+
+public:
+    /** Create an empty reference.*/
+    UniReference()
+    : mpElement( NULL )
+    {}
+
+    /** Destroy the reference and releases the element.*/
+    inline ~UniReference();
+
+    /** Create a new reference with the same element as in rRef and acquire this one.*/
+    inline UniReference( const UniReference< T > & rRef );
+
+    /**
+     * Create a new reference with the given element pElement and acquire this one.
+     */
+    inline UniReference( T * pElement );
+
+    /**
+     * Release the reference and set the new one pObj.
+     */
+    inline UniReference< T > & operator = ( T * pElement );
+
+    /**
+     * Release the reference and set the new one from rObj.
+     */
+    inline UniReference< T > & operator = ( const UniReference< T > & rRef );
+
+    /**
+     * Return the pointer to the element, may be null.
+     */
+    inline T* operator -> () const;
+
+    /**
+     * Returns true if the pointer to the element is valid.
+     */
+    inline sal_Bool is() const;
+
+    /**
+     * Return true if both elements refer to the same object.
+     */
+    inline sal_Bool operator == ( const UniReference & rRef ) const;
+
+    /**
+     * Return true if both elements does not refer to the same object.
+     */
+    inline sal_Bool operator != ( const UniReference & rRef ) const;
+
+    /** Gets implementation pointer.
+        This call does <b>not</b> acquire the implementation.
+        <br>
+        @return <b>un</b>acquired implementation pointer
+    */
+    inline T* get() const;
+};
+
+class XMLOFF_DLLPUBLIC UniRefBase
+{
+private:
+    /**
+     * The reference counter.
+     */
+    oslInterlockedCount         m_refCount;
+
+public:
+    UniRefBase() : m_refCount( 0 )
+    {}
+    virtual ~UniRefBase();
+
+    void acquire() { osl_atomic_increment( &m_refCount ); }
+    void release();
+
+};
+
+///////////////////////////////////////////////////////////////////////////////
+//
+// Inline-implementations of UniReference
+//
+
+/** Create a new reference with the same element as in rRef and acquire this one.*/
+template< class T >
+inline UniReference< T >::UniReference( const UniReference< T > & rRef )
+    : mpElement( rRef.mpElement )
+{
+    if( mpElement )
+        mpElement->acquire();
+}
+
+template< class T >
+inline UniReference< T >::~UniReference()
+{
+    if( mpElement )
+        mpElement->release();
+}
+
+/**
+ * Create a new reference with the given element pElement and acquire this one.
+ * @param pInterface the interface, pointer may be null.
+ */
+template< class T >
+inline UniReference< T >::UniReference( T * pElement )
+    : mpElement( pElement )
+{
+    if( mpElement )
+        mpElement->acquire();
+}
+
+/**
+ * Release the reference and set the new one pObj.<BR>
+ * <B>The operation is not thread save. You must protect all assigns to a reference class.</B>
+ */
+template< class T >
+inline UniReference< T > & UniReference< T >::operator = ( T * pElement )
+{
+    if( pElement )
+        pElement->acquire();
+    if( mpElement )
+        mpElement->release();
+
+    mpElement = pElement;
+
+    return *this;
+}
+
+/**
+ * Release the reference and set the new one from rObj.<BR>
+ * <B>The operation is not thread save. You must protect all assigns to a reference class.</B>
+ */
+template< class T >
+inline UniReference< T > & UniReference< T >::operator = ( const UniReference< T > & rRef )
+{
+    return operator = ( rRef.mpElement );
+}
+
+/**
+ * Return the pointer to the interface, may be null.
+ */
+template< class T >
+inline T* UniReference< T >::operator -> () const
+{
+    return get();
+}
+
+/**
+ * Return the pointer to the interface, may be null.
+ */
+template< class T >
+inline T* UniReference< T >::get () const
+{
+    return static_cast< T * >( mpElement );
+}
+
+/**
+ * Returns true if the pointer to the interface is valid.
+ */
+template< class T >
+inline sal_Bool UniReference< T >::is() const
+{
+    return (mpElement != 0);
+}
+/**
+ * Return true if both interfaces refer to the same object. The operation can be
+ * much more expensive than a pointer comparision.<BR>
+ *
+ * @param rRef      another interface reference
+ */
+template< class T >
+inline sal_Bool UniReference< T >::operator == ( const UniReference & rRef ) const
+{
+    return ( mpElement == rRef.mpElement );
+}
+/**
+ * Return true if both interfaces does not refer to the same object. The operation can be
+ * much more expensive than a pointer comparision.<BR>
+ *
+ * @param rRef      another interface reference
+ */
+template< class T >
+inline sal_Bool UniReference< T >::operator != ( const UniReference & rRef ) const
+{
+    return ( ! operator == ( rRef ) );
+}
+
+#endif  // _UNIVERSALL_REFERENCE_HXX
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */