Line data    Source code

       1             : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
       2             : /*
       3             :  * This file is part of the LibreOffice project.
       4             :  *
       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             : #ifndef INCLUDED_TOOLS_LINK_HXX
      20             : #define INCLUDED_TOOLS_LINK_HXX
      21             : 
      22             : #include <tools/toolsdllapi.h>
      23             : #include <sal/config.h>
      24             : #include <sal/types.h>
      25             : #include <tools/solar.h>
      26             : 
      27             : typedef long (*PSTUB)( void*, void* );
      28             : 
      29             : #define DECL_LINK( Method, ArgType ) \
      30             :     long Method( ArgType ); \
      31             :     static long LinkStub##Method( void* pThis, void* )
      32             : 
      33             : #define DECL_STATIC_LINK( Class, Method, ArgType ) \
      34             :     static long Method( Class*, ArgType )
      35             : 
      36             : #define DECL_DLLPRIVATE_LINK(Method, ArgType) \
      37             :     SAL_DLLPRIVATE long Method(ArgType); \
      38             :     SAL_DLLPRIVATE static long LinkStub##Method(void * pThis, void *)
      39             : 
      40             : #define DECL_DLLPRIVATE_STATIC_LINK(Class, Method, ArgType) \
      41             :     SAL_DLLPRIVATE static long Method(Class *, ArgType)
      42             : 
      43             : #define IMPL_STUB(Class, Method, ArgType) \
      44             :     long Class::LinkStub##Method( void* pThis, void* pCaller) \
      45             :     { \
      46             :         return ((Class*)pThis )->Method( (ArgType)pCaller ); \
      47             :     }
      48             : 
      49             : #define IMPL_STATIC_LINK( Class, Method, ArgType, ArgName ) \
      50             :     long Class::Method( Class* pThis, ArgType ArgName )
      51             : 
      52             : #define IMPL_STATIC_LINK_NOINSTANCE( Class, Method, ArgType, ArgName ) \
      53             :     long Class::Method( SAL_UNUSED_PARAMETER Class*, ArgType ArgName )
      54             : 
      55             : #define LINK( Inst, Class, Member ) \
      56             :     Link( (Class*)Inst, (PSTUB)&Class::LinkStub##Member )
      57             : 
      58             : #define STATIC_LINK( Inst, Class, Member ) \
      59             :     Link( (Class*)Inst, (PSTUB)&Class::Member )
      60             : 
      61             : #define IMPL_LINK( Class, Method, ArgType, ArgName ) \
      62             :     IMPL_STUB( Class, Method, ArgType ) \
      63             :     long Class::Method( ArgType ArgName )
      64             : 
      65             : #define IMPL_LINK_NOARG( Class, Method ) \
      66             :     IMPL_STUB( Class, Method, void* ) \
      67             :     long Class::Method( SAL_UNUSED_PARAMETER void* )
      68             : 
      69             : #define IMPL_LINK_INLINE_START( Class, Method, ArgType, ArgName ) \
      70             :     inline long Class::Method( ArgType ArgName )
      71             : 
      72             : #define IMPL_LINK_INLINE_END( Class, Method, ArgType, ArgName ) \
      73             :     IMPL_STUB( Class, Method, ArgType )
      74             : 
      75             : #define IMPL_LINK_NOARG_INLINE_START( Class, Method ) \
      76             :     inline long Class::Method( SAL_UNUSED_PARAMETER void* )
      77             : 
      78             : #define IMPL_LINK_NOARG_INLINE_END( Class, Method ) \
      79             :     IMPL_STUB( Class, Method, void* )
      80             : 
      81             : #define IMPL_LINK_INLINE( Class, Method, ArgType, ArgName, Body ) \
      82             :     long Class::Method( ArgType ArgName ) \
      83             :     Body \
      84             :     IMPL_STUB( Class, Method, ArgType )
      85             : 
      86             : #define EMPTYARG
      87             : 
      88             : class TOOLS_DLLPUBLIC Link
      89             : {
      90             :     void*       pInst;
      91             :     PSTUB       pFunc;
      92             : 
      93             : public:
      94             :                 Link();
      95             :                 Link( void* pLinkHdl, PSTUB pMemFunc );
      96             : 
      97             :     sal_IntPtr      Call( void* pCaller ) const;
      98             : 
      99             :     bool            IsSet() const;
     100             :     bool            operator !() const;
     101             : 
     102             :     bool            operator==( const Link& rLink ) const;
     103             :     bool            operator!=( const Link& rLink ) const
     104             :                     { return !(Link::operator==( rLink )); }
     105             :     bool            operator<( const Link& rLink ) const
     106             :                     { return ((sal_uIntPtr)rLink.pFunc < (sal_uIntPtr)pFunc); }
     107             : };
     108             : 
     109           2 : inline Link::Link()
     110             : {
     111           2 :     pInst = 0;
     112           2 :     pFunc = 0;
     113           2 : }
     114             : 
     115           0 : inline Link::Link( void* pLinkHdl, PSTUB pMemFunc )
     116             : {
     117           0 :     pInst = pLinkHdl;
     118           0 :     pFunc = pMemFunc;
     119           0 : }
     120             : 
     121           0 : inline sal_IntPtr Link::Call(void *pCaller) const
     122             : {
     123           0 :     return pFunc ? (*pFunc)(pInst, pCaller) : 0;
     124             : }
     125             : 
     126           0 : inline bool Link::IsSet() const
     127             : {
     128           0 :     if ( pFunc )
     129           0 :         return true;
     130             :     else
     131           0 :         return false;
     132             : }
     133             : 
     134           0 : inline bool Link::operator !() const
     135             : {
     136           0 :     if ( !pFunc )
     137           0 :         return true;
     138             :     else
     139           0 :         return false;
     140             : }
     141             : 
     142             : #endif
     143             : 
     144             : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */