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             : 
      20             : #ifndef INCLUDED_TOOLS_LINK_HXX
      21             : #define INCLUDED_TOOLS_LINK_HXX
      22             : 
      23             : #include <sal/config.h>
      24             : 
      25             : #include <sal/types.h>
      26             : 
      27             : #define DECL_LINK(Member, ArgType) \
      28             :     static sal_IntPtr LinkStub##Member(void *, void *); \
      29             :     sal_IntPtr Member(ArgType)
      30             : 
      31             : #define DECL_STATIC_LINK(Class, Member, ArgType) \
      32             :     static sal_IntPtr LinkStub##Member(void *, void *); \
      33             :     static sal_IntPtr Member(Class *, ArgType)
      34             : 
      35             : #define DECL_DLLPRIVATE_LINK(Member, ArgType) \
      36             :     SAL_DLLPRIVATE static sal_IntPtr LinkStub##Member(void *, void *); \
      37             :     SAL_DLLPRIVATE sal_IntPtr Member(ArgType)
      38             : 
      39             : #define DECL_DLLPRIVATE_STATIC_LINK(Class, Member, ArgType) \
      40             :     SAL_DLLPRIVATE static sal_IntPtr LinkStub##Member(void *, void *); \
      41             :     SAL_DLLPRIVATE static sal_IntPtr Member(Class *, ArgType)
      42             : 
      43             : #define IMPL_LINK(Class, Member, ArgType, ArgName) \
      44             :     sal_IntPtr Class::LinkStub##Member(void * instance, void * data) { \
      45             :         return static_cast<Class *>(instance)->Member( \
      46             :             static_cast<ArgType>(data)); \
      47             :     } \
      48             :     sal_IntPtr Class::Member(ArgType ArgName)
      49             : 
      50             : #define IMPL_LINK_NOARG(Class, Member) \
      51             :     sal_IntPtr Class::LinkStub##Member(void * instance, void * data) { \
      52             :         return static_cast<Class *>(instance)->Member(data); \
      53             :     } \
      54             :     sal_IntPtr Class::Member(SAL_UNUSED_PARAMETER void *)
      55             : 
      56             : #define IMPL_STATIC_LINK(Class, Member, ArgType, ArgName) \
      57             :     sal_IntPtr Class::LinkStub##Member(void * instance, void * data) { \
      58             :         return Member( \
      59             :             static_cast<Class *>(instance), static_cast<ArgType>(data)); \
      60             :     } \
      61             :     sal_IntPtr Class::Member(SAL_UNUSED_PARAMETER Class *, ArgType ArgName)
      62             : 
      63             : #define IMPL_STATIC_LINK_NOARG(Class, Member) \
      64             :     sal_IntPtr Class::LinkStub##Member(void * instance, void * data) { \
      65             :         return Member(static_cast<Class *>(instance), data); \
      66             :     } \
      67             :     sal_IntPtr Class::Member( \
      68             :         SAL_UNUSED_PARAMETER Class *, SAL_UNUSED_PARAMETER void *)
      69             : 
      70             : #define DECL_LINK_TYPED(Member, ArgType, RetType) \
      71             :     static RetType LinkStub##Member(void *, ArgType); \
      72             :     RetType Member(ArgType)
      73             : 
      74             : #define DECL_STATIC_LINK_TYPED(Class, Member, ArgType, RetType) \
      75             :     static RetType LinkStub##Member(void *, ArgType); \
      76             :     static RetType Member(Class *, ArgType)
      77             : 
      78             : #define DECL_DLLPRIVATE_LINK_TYPED(Member, ArgType, RetType) \
      79             :     SAL_DLLPRIVATE static RetType LinkStub##Member(void *, ArgType); \
      80             :     SAL_DLLPRIVATE RetType Member(ArgType)
      81             : 
      82             : #define DECL_DLLPRIVATE_STATIC_LINK_TYPED(Class, Member, ArgType, RetType) \
      83             :     SAL_DLLPRIVATE static RetType LinkStub##Member(void *, ArgType); \
      84             :     SAL_DLLPRIVATE static RetType Member(Class *, ArgType)
      85             : 
      86             : #define IMPL_LINK_TYPED(Class, Member, ArgType, ArgName, RetType) \
      87             :     RetType Class::LinkStub##Member(void * instance, ArgType data) { \
      88             :         return static_cast<Class *>(instance)->Member(data); \
      89             :     } \
      90             :     RetType Class::Member(ArgType ArgName)
      91             : 
      92             : #define IMPL_LINK_NOARG_TYPED(Class, Member, ArgType, RetType) \
      93             :     RetType Class::LinkStub##Member(void * instance, ArgType data) { \
      94             :         return static_cast<Class *>(instance)->Member(data); \
      95             :     } \
      96             :     RetType Class::Member(SAL_UNUSED_PARAMETER ArgType)
      97             : 
      98             : #define IMPL_STATIC_LINK_TYPED( \
      99             :         Class, Member, ArgType, ArgName, RetType) \
     100             :     RetType Class::LinkStub##Member(void * instance, ArgType data) { \
     101             :         return Member(static_cast<Class *>(instance), data); \
     102             :     } \
     103             :     RetType Class::Member(SAL_UNUSED_PARAMETER Class *, ArgType ArgName)
     104             : 
     105             : #define IMPL_STATIC_LINK_NOARG_TYPED( \
     106             :         Class, Member, ArgType, RetType) \
     107             :     RetType Class::LinkStub##Member(void * instance, ArgType data) { \
     108             :         return Member(static_cast<Class *>(instance), data); \
     109             :     } \
     110             :     RetType Class::Member( \
     111             :         SAL_UNUSED_PARAMETER Class *, SAL_UNUSED_PARAMETER ArgType)
     112             : 
     113             : #define LINK(Instance, Class, Member) ::tools::detail::makeLink( \
     114             :     static_cast<Class *>(Instance), &Class::LinkStub##Member)
     115             : 
     116             : template<typename Arg = void *, typename Ret = sal_IntPtr>
     117             : class SAL_WARN_UNUSED Link {
     118             : public:
     119             :     typedef Ret Stub(void *, Arg);
     120             : 
     121     3560970 :     Link(): function_(nullptr), instance_(nullptr) {}
     122             : 
     123     1793551 :     Link(void * instance, Stub * function):
     124     1793551 :         function_(function), instance_(instance) {}
     125             : 
     126    39946404 :     Ret Call(Arg data) const
     127    39946404 :     { return function_ == nullptr ? Ret() : (*function_)(instance_, data); }
     128             : 
     129     5727346 :     bool IsSet() const { return function_ != nullptr; }
     130             : 
     131           0 :     bool operator !() const { return !IsSet(); }
     132             : 
     133             :     bool operator <(Link const & other) const {
     134             :         return reinterpret_cast<sal_uIntPtr>(function_)
     135             :             < reinterpret_cast<sal_uIntPtr>(other.function_);
     136             :     };
     137             : 
     138    15787925 :     bool operator ==(Link const & other) const
     139    15787925 :     { return function_ == other.function_ && instance_ == other.instance_; };
     140             : 
     141             :     bool operator !=(Link const & other) const { return !operator ==(other); };
     142       68676 :     void *GetInstance() const { return instance_; }
     143             : 
     144             : private:
     145             :     Stub * function_;
     146             :     void * instance_;
     147             : };
     148             : 
     149             : namespace tools { namespace detail {
     150             : 
     151             : template<typename Arg, typename Ret>
     152     1790938 : Link<Arg, Ret> makeLink(void * instance, Ret (* function)(void *, Arg)) {
     153     1790938 :     return Link<Arg, Ret>(instance, function);
     154             : }
     155             : 
     156             : } }
     157             : 
     158             : #endif
     159             : 
     160             : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */