writerfilter/source/ooxml/RefAndPointer.hxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
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   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #ifndef INCLUDED_REF_AND_POINTER_HXX
  21 #define INCLUDED_REF_AND_POINTER_HXX
  22
  23 #include <iostream>
  24 #include <com/sun/star/lang/XUnoTunnel.hpp>
  25
  26 namespace writerfilter {
  27 namespace ooxml
  28 {
  29 using namespace ::com::sun::star;
  30 using namespace ::std;
  31
  32 template <class Interface, class ChildClass>
  33 class RefAndPointer
  34 {
  35     mutable ChildClass * mpHandler;
  36     mutable uno::Reference<Interface> mRef;
  37
  38 public:
  39     RefAndPointer()
  40     : mpHandler(NULL)
  41     {
  42     }
  43
  44     RefAndPointer(ChildClass * pHandler)
  45     : mpHandler(pHandler), mRef(pHandler)
  46     {
  47 #ifdef DEBUG_MEMORY
  48         clog << "MEMORY:" << mpHandler->getInstanceNumber() << ":RefAndPointer"
  49              << endl;
  50 #endif
  51     }
  52
  53     RefAndPointer(uno::Reference<Interface> xRef)
  54     : mRef(xRef)
  55     {
  56         mpHandler = dynamic_cast<ChildClass *>(xRef.get());
  57 #ifdef DEBUG_MEMORY
  58         if (mpHandler != NULL)
  59             clog << "MEMORY:" << mpHandler->getInstanceNumber()
  60                  << ":RefAndPointer" << endl;
  61 #endif
  62     }
  63
  64     virtual ~RefAndPointer()
  65     {
  66 #ifdef DEBUG_MEMORY
  67         if (mpHandler != NULL)
  68             clog << "MEMORY:" << mpHandler->getInstanceNumber()
  69                  << ":~RefAndPointer" << endl;
  70 #endif
  71     }
  72
  73     void set(ChildClass * pHandler)
  74     {
  75         mpHandler = pHandler;
  76         mRef = pHandler;
  77     }
  78
  79     void set(uno::Reference<Interface> xHandler)
  80     {
  81         mpHandler = dynamic_cast<ChildClass*>(xHandler.get());
  82         mRef = xHandler;
  83     }
  84
  85     ChildClass * getPointer() const { return mpHandler; }
  86     const uno::Reference<Interface> getRef() const { return mRef; }
  87
  88     RefAndPointer & operator=
  89     (const RefAndPointer & rSrc)
  90     {
  91         set(rSrc.getHandler());
  92
  93         return *this;
  94     }
  95
  96     bool is() { return getRef().is(); }
  97
  98     operator ChildClass* () { return getPointer(); }
  99     operator uno::Reference<Interface> () { return getRef(); }
 100 };
 101 }}
 102 #endif // INCLUDED_REF_AND_POINTER_HXX
 103
 104 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */