extensions/source/ole/windata.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.
   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 #pragma once
  20
  21 #include <oleidl.h>
  22
  23 #if defined __clang__
  24 #pragma clang diagnostic push
  25 #pragma clang diagnostic ignored "-Wall"
  26 #pragma clang diagnostic ignored "-Wextra"
  27 #pragma clang diagnostic ignored "-Wignored-attributes"
  28 #pragma clang diagnostic ignored "-Wint-to-pointer-cast"
  29 #pragma clang diagnostic ignored "-Winvalid-noreturn"
  30 #pragma clang diagnostic ignored "-Wmicrosoft"
  31 #pragma clang diagnostic ignored "-Wnon-pod-varargs"
  32 #endif
  33
  34 #include <atlbase.h>
  35
  36 #if defined __clang__
  37 #pragma clang diagnostic pop
  38 #endif
  39
  40 #include <osl/diagnose.h>
  41
  42 //Wrapper for VARDESC
  43 class VarDesc
  44 {
  45     VARDESC* operator = (const VarDesc*);
  46     VarDesc(const VarDesc&);
  47 // Construction
  48 public:
  49     CComPtr< ITypeInfo > m_pTypeInfo;
  50     VARDESC* m_pVarDesc;
  51
  52     explicit VarDesc(ITypeInfo* pTypeInfo) :
  53       m_pTypeInfo(pTypeInfo),
  54       m_pVarDesc(nullptr)
  55    {
  56        OSL_ASSERT(pTypeInfo);
  57    }
  58    ~VarDesc()
  59    {
  60       if (m_pVarDesc != nullptr)
  61       {
  62          m_pTypeInfo->ReleaseVarDesc(m_pVarDesc);
  63       }
  64    }
  65
  66    VARDESC* operator->()
  67    {
  68       return m_pVarDesc;
  69    }
  70
  71    VARDESC** operator&()
  72    {
  73       return &m_pVarDesc;
  74    }
  75
  76     operator VARDESC* ()
  77     {
  78         return m_pVarDesc;
  79     }
  80 };
  81
  82 //Wrapper for FUNCDESC structure
  83 class FuncDesc
  84 {
  85     FUNCDESC* operator = (const FuncDesc &);
  86     FuncDesc(const FuncDesc&);
  87     CComPtr<ITypeInfo> m_pTypeInfo;
  88     FUNCDESC * m_pFuncDesc;
  89
  90 public:
  91
  92     explicit FuncDesc(ITypeInfo * pTypeInfo) :
  93         m_pTypeInfo(pTypeInfo),
  94         m_pFuncDesc(nullptr)
  95         {
  96             OSL_ASSERT(pTypeInfo);
  97         }
  98     ~FuncDesc()
  99     {
 100         ReleaseFUNCDESC();
 101     }
 102
 103     FUNCDESC* operator -> ()
 104     {
 105         return m_pFuncDesc;
 106     }
 107
 108     FUNCDESC** operator & ()
 109     {
 110         return & m_pFuncDesc;
 111     }
 112
 113     operator FUNCDESC* ()
 114     {
 115         return m_pFuncDesc;
 116     }
 117
 118     FUNCDESC* operator = (FUNCDESC* pDesc)
 119     {
 120         ReleaseFUNCDESC();
 121         m_pFuncDesc = pDesc;
 122         return m_pFuncDesc;
 123     }
 124     FUNCDESC* Detach()
 125     {
 126         FUNCDESC* pDesc = m_pFuncDesc;
 127         m_pFuncDesc = nullptr;
 128         return pDesc;
 129     }
 130
 131     void ReleaseFUNCDESC()
 132     {
 133         if (m_pFuncDesc != nullptr)
 134         {
 135             m_pTypeInfo->ReleaseFuncDesc(m_pFuncDesc);
 136         }
 137         m_pFuncDesc = nullptr;
 138     }
 139 };
 140 //Wrapper for EXCEPINFO structure
 141 class ExcepInfo : public EXCEPINFO
 142 {
 143     EXCEPINFO* operator = (const ExcepInfo& );
 144     ExcepInfo(const ExcepInfo &);
 145 public:
 146    ExcepInfo()
 147        : EXCEPINFO{}
 148    {
 149    }
 150    ~ExcepInfo()
 151    {
 152       if (bstrSource != nullptr)
 153          ::SysFreeString(bstrSource);
 154       if (bstrDescription != nullptr)
 155         ::SysFreeString(bstrDescription);
 156       if (bstrHelpFile != nullptr)
 157         ::SysFreeString(bstrHelpFile);
 158    }
 159 };
 160
 161 //Wrapper for TYPEATTR
 162 class TypeAttr
 163 {
 164     TYPEATTR* operator = (const TypeAttr &);
 165     TypeAttr(const TypeAttr &);
 166 public:
 167     CComPtr< ITypeInfo > m_pTypeInfo;
 168     TYPEATTR* m_pTypeAttr;
 169
 170     explicit TypeAttr(ITypeInfo* pTypeInfo) :
 171       m_pTypeInfo( pTypeInfo ),
 172       m_pTypeAttr( nullptr )
 173    {
 174        OSL_ASSERT(pTypeInfo);
 175    }
 176    ~TypeAttr() noexcept
 177    {
 178         if (m_pTypeAttr != nullptr)
 179         {
 180             m_pTypeInfo->ReleaseTypeAttr(m_pTypeAttr);
 181         }
 182    }
 183
 184    TYPEATTR** operator&() noexcept
 185    {
 186       return &m_pTypeAttr;
 187    }
 188
 189    TYPEATTR* operator->() noexcept
 190    {
 191       return m_pTypeAttr;
 192    }
 193 };
 194
 195 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */