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       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 LinkStub##Method( void* pThis, void* ); \
      35             :     static long Method( Class*, ArgType )
      36             : 
      37             : #define DECL_DLLPRIVATE_LINK(Method, ArgType) \
      38             :     SAL_DLLPRIVATE long Method(ArgType); \
      39             :     SAL_DLLPRIVATE static long LinkStub##Method(void * pThis, void *)
      40             : 
      41             : #define DECL_DLLPRIVATE_STATIC_LINK(Class, Method, ArgType) \
      42             :     SAL_DLLPRIVATE static long LinkStub##Method( void* pThis, void* ); \
      43             :     SAL_DLLPRIVATE static long Method(Class *, ArgType)
      44             : 
      45             : #define IMPL_STUB(Class, Method, ArgType) \
      46             :     long Class::LinkStub##Method( void* pThis, void* pCaller) \
      47             :     { \
      48             :         return static_cast<Class*>(pThis)->Method( (ArgType)pCaller ); \
      49             :     }
      50             : 
      51             : #define IMPL_STATIC_LINK( Class, Method, ArgType, ArgName ) \
      52             :     long Class::LinkStub##Method( void* pThis, void* pCaller) \
      53             :     { \
      54             :         return Method( static_cast<Class*>(pThis), (ArgType)pCaller ); \
      55             :     } \
      56             :     long Class::Method( Class* pThis, ArgType ArgName )
      57             : 
      58             : #define IMPL_STATIC_LINK_NOINSTANCE( Class, Method, ArgType, ArgName ) \
      59             :     long Class::LinkStub##Method( void* pThis, void* pCaller) \
      60             :     { \
      61             :         return Method( static_cast<Class*>(pThis), (ArgType)pCaller ); \
      62             :     } \
      63             :     long Class::Method( SAL_UNUSED_PARAMETER Class*, ArgType ArgName )
      64             : 
      65             : #define IMPL_STATIC_LINK_NOINSTANCE_NOARG( Class, Method ) \
      66             :     long Class::LinkStub##Method( void* pThis, void* pCaller) \
      67             :     { \
      68             :         return Method( static_cast<Class*>(pThis), pCaller ); \
      69             :     } \
      70             :     long Class::Method( SAL_UNUSED_PARAMETER Class*, SAL_UNUSED_PARAMETER void* )
      71             : 
      72             : #define LINK( Inst, Class, Member ) \
      73             :     Link( static_cast<Class*>(Inst), (PSTUB)&Class::LinkStub##Member )
      74             : 
      75             : #define STATIC_LINK( Inst, Class, Member ) LINK(Inst, Class, Member)
      76             : 
      77             : #define IMPL_LINK( Class, Method, ArgType, ArgName ) \
      78             :     IMPL_STUB( Class, Method, ArgType ) \
      79             :     long Class::Method( ArgType ArgName )
      80             : 
      81             : #define IMPL_LINK_NOARG( Class, Method ) \
      82             :     IMPL_STUB( Class, Method, void* ) \
      83             :     long Class::Method( SAL_UNUSED_PARAMETER void* )
      84             : 
      85             : #define IMPL_LINK_INLINE_START( Class, Method, ArgType, ArgName ) \
      86             :     inline long Class::Method( ArgType ArgName )
      87             : 
      88             : #define IMPL_LINK_INLINE_END( Class, Method, ArgType, ArgName ) \
      89             :     IMPL_STUB( Class, Method, ArgType )
      90             : 
      91             : #define IMPL_LINK_NOARG_INLINE_START( Class, Method ) \
      92             :     inline long Class::Method( SAL_UNUSED_PARAMETER void* )
      93             : 
      94             : #define IMPL_LINK_NOARG_INLINE_END( Class, Method ) \
      95             :     IMPL_STUB( Class, Method, void* )
      96             : 
      97             : #define IMPL_LINK_INLINE( Class, Method, ArgType, ArgName, Body ) \
      98             :     long Class::Method( ArgType ArgName ) \
      99             :     Body \
     100             :     IMPL_STUB( Class, Method, ArgType )
     101             : 
     102             : #define EMPTYARG
     103             : 
     104             : class TOOLS_DLLPUBLIC Link
     105             : {
     106             :     void*       pInst;
     107             :     PSTUB       pFunc;
     108             : 
     109             : public:
     110             :                 Link();
     111             :                 Link( void* pLinkHdl, PSTUB pMemFunc );
     112             : 
     113             :     sal_IntPtr      Call( void* pCaller ) const;
     114             : 
     115             :     bool            IsSet() const;
     116             :     bool            operator !() const;
     117             : 
     118             :     bool            operator==( const Link& rLink ) const;
     119             :     bool            operator!=( const Link& rLink ) const
     120             :                     { return !(Link::operator==( rLink )); }
     121             :     bool            operator<( const Link& rLink ) const
     122             :                     { return reinterpret_cast<sal_uIntPtr>(rLink.pFunc) < reinterpret_cast<sal_uIntPtr>(pFunc); }
     123             : };
     124             : 
     125     5188859 : inline Link::Link()
     126             : {
     127     5188859 :     pInst = 0;
     128     5188859 :     pFunc = 0;
     129     5188859 : }
     130             : 
     131     2711435 : inline Link::Link( void* pLinkHdl, PSTUB pMemFunc )
     132             : {
     133     2711435 :     pInst = pLinkHdl;
     134     2711435 :     pFunc = pMemFunc;
     135     2711435 : }
     136             : 
     137    25830757 : inline sal_IntPtr Link::Call(void *pCaller) const
     138             : {
     139    25830757 :     return pFunc ? (*pFunc)(pInst, pCaller) : 0;
     140             : }
     141             : 
     142     7795495 : inline bool Link::IsSet() const
     143             : {
     144     7795495 :     if ( pFunc )
     145     1670372 :         return true;
     146             :     else
     147     6125123 :         return false;
     148             : }
     149             : 
     150           0 : inline bool Link::operator !() const
     151             : {
     152           0 :     if ( !pFunc )
     153           0 :         return true;
     154             :     else
     155           0 :         return false;
     156             : }
     157             : 
     158             : #endif
     159             : 
     160             : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */