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Diffstat (limited to 'include/xmloff/uniref.hxx')
| -rw-r--r-- | include/xmloff/uniref.hxx | 224 |
1 files changed, 0 insertions, 224 deletions
diff --git a/include/xmloff/uniref.hxx b/include/xmloff/uniref.hxx deleted file mode 100644 index e1ef4b81b667..000000000000 --- a/include/xmloff/uniref.hxx +++ /dev/null @@ -1,224 +0,0 @@ -/* -*- 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_XMLOFF_UNIREF_HXX -#define INCLUDED_XMLOFF_UNIREF_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 controlled by the instance. The constructor calls - * acquire() and the destructor calls release(). - * You could derive your class from the baseclass UniRefBase which 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 bool is() const; - - /** - * Return true if both elements refer to the same object. - */ - inline bool operator == ( const UniReference & rRef ) const; - - /** - * Return true if both elements does not refer to the same object. - */ - inline 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 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 comparison.<BR> - * - * @param rRef another interface reference - */ -template< class T > -inline 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 comparison.<BR> - * - * @param rRef another interface reference - */ -template< class T > -inline bool UniReference< T >::operator != ( const UniReference & rRef ) const -{ - return ( ! operator == ( rRef ) ); -} - -#endif // INCLUDED_XMLOFF_UNIREF_HXX - -/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |