extensions/source/ole/windata.hxx

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  30 #ifndef AUTOMATION_BRIDGE_WINDATA_HXX
  31 #define AUTOMATION_BRIDGE_WINDATA_HXX
  32
  33 #pragma warning (push,1)
  34 #pragma warning (disable:4668)
  35 #pragma warning (disable:4548)
  36 #include "oleidl.h"
  37
  38 #include <atlbase.h>
  39 #pragma warning (pop)
  40 #include "osl/diagnose.h"
  41
  42 namespace ole_adapter
  43 {
  44 //Wrapper for VARDESC
  45 class VarDesc
  46 {
  47     VARDESC* operator = (const VarDesc*);
  48     VarDesc(const VarDesc&);
  49 // Construction
  50 public:
  51     CComPtr< ITypeInfo > m_pTypeInfo;
  52     VARDESC* m_pVarDesc;
  53
  54     VarDesc(ITypeInfo* pTypeInfo) :
  55       m_pVarDesc(NULL),
  56       m_pTypeInfo(pTypeInfo)
  57    {
  58        OSL_ASSERT(pTypeInfo);
  59    }
  60    ~VarDesc()
  61    {
  62       if (m_pVarDesc != NULL)
  63       {
  64          m_pTypeInfo->ReleaseVarDesc(m_pVarDesc);
  65       }
  66    }
  67
  68    VARDESC* operator->()
  69    {
  70       return m_pVarDesc;
  71    }
  72
  73    VARDESC** operator&()
  74    {
  75       return &m_pVarDesc;
  76    }
  77
  78     operator VARDESC* ()
  79     {
  80         return m_pVarDesc;
  81     }
  82 };
  83
  84 //Wrapper for FUNCDESC structure
  85 class FuncDesc
  86 {
  87     FUNCDESC* operator = (const FuncDesc &);
  88     FuncDesc(const FuncDesc&);
  89     CComPtr<ITypeInfo> m_pTypeInfo;
  90     FUNCDESC * m_pFuncDesc;
  91
  92 public:
  93
  94     FuncDesc(ITypeInfo * pTypeInfo) :
  95         m_pFuncDesc(NULL),
  96         m_pTypeInfo(pTypeInfo)
  97         {
  98             OSL_ASSERT(pTypeInfo);
  99         }
 100     ~FuncDesc()
 101     {
 102         ReleaseFUNCDESC();
 103     }
 104
 105     FUNCDESC* operator -> ()
 106     {
 107         return m_pFuncDesc;
 108     }
 109
 110     FUNCDESC** operator & ()
 111     {
 112         return & m_pFuncDesc;
 113     }
 114
 115     operator FUNCDESC* ()
 116     {
 117         return m_pFuncDesc;
 118     }
 119
 120     FUNCDESC* operator = (FUNCDESC* pDesc)
 121     {
 122         ReleaseFUNCDESC();
 123         m_pFuncDesc = pDesc;
 124         return m_pFuncDesc;
 125     }
 126     FUNCDESC* Detach()
 127     {
 128         FUNCDESC* pDesc = m_pFuncDesc;
 129         m_pFuncDesc = NULL;
 130         return pDesc;
 131     }
 132
 133     void ReleaseFUNCDESC()
 134     {
 135         if (m_pFuncDesc != NULL)
 136         {
 137             m_pTypeInfo->ReleaseFuncDesc(m_pFuncDesc);
 138         }
 139         m_pFuncDesc = NULL;
 140     }
 141 };
 142 //Wrapper for EXCEPINFO structure
 143 class ExcepInfo : public EXCEPINFO
 144 {
 145     EXCEPINFO* operator = (const ExcepInfo& );
 146     ExcepInfo(const ExcepInfo &);
 147 public:
 148    ExcepInfo()
 149    {
 150       memset(this, 0, sizeof(ExcepInfo));
 151    }
 152    ~ExcepInfo()
 153    {
 154          if (bstrSource != NULL)
 155          ::SysFreeString(bstrSource);
 156       if (bstrDescription != NULL)
 157         ::SysFreeString(bstrDescription);
 158       if (bstrHelpFile != NULL)
 159         ::SysFreeString(bstrHelpFile);
 160    }
 161 };
 162
 163 //Wrapper for TYPEATTR
 164 class TypeAttr
 165 {
 166     TYPEATTR* operator = (const TypeAttr &);
 167     TypeAttr(const TypeAttr &);
 168 public:
 169     CComPtr< ITypeInfo > m_pTypeInfo;
 170     TYPEATTR* m_pTypeAttr;
 171
 172     TypeAttr(ITypeInfo* pTypeInfo) :
 173       m_pTypeAttr( NULL ),
 174       m_pTypeInfo( pTypeInfo )
 175    {
 176        OSL_ASSERT(pTypeInfo);
 177    }
 178    ~TypeAttr() throw()
 179    {
 180         if (m_pTypeAttr != NULL)
 181         {
 182             m_pTypeInfo->ReleaseTypeAttr(m_pTypeAttr);
 183         }
 184    }
 185
 186    TYPEATTR** operator&() throw()
 187    {
 188       return &m_pTypeAttr;
 189    }
 190
 191    TYPEATTR* operator->() throw()
 192    {
 193       return m_pTypeAttr;
 194    }
 195 };
 196
 197
 198
 199 }
 200
 201 #endif