AOO410/main/extensions/source/ole/windata.hxx

/**************************************************************
 * 
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 * 
 *   http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 * 
 *************************************************************/


#ifndef AUTOMATION_BRIDGE_WINDATA_HXX
#define AUTOMATION_BRIDGE_WINDATA_HXX

#pragma warning (push,1)
#pragma warning (disable:4668)
#pragma warning (disable:4548)
#include "oleidl.h"

#include <atlbase.h>
#pragma warning (pop)
#include "osl/diagnose.h"

namespace ole_adapter
{
//Wrapper for VARDESC		
class VarDesc
{
	VARDESC* operator = (const VarDesc*);
	VarDesc(const VarDesc&);
// Construction
public:
	CComPtr< ITypeInfo > m_pTypeInfo;
	VARDESC* m_pVarDesc;

	VarDesc(ITypeInfo* pTypeInfo) :
	  m_pVarDesc(NULL),
	  m_pTypeInfo(pTypeInfo)
   {
	   OSL_ASSERT(pTypeInfo);
   }
   ~VarDesc()
   {
	  if (m_pVarDesc != NULL)
	  {
		 m_pTypeInfo->ReleaseVarDesc(m_pVarDesc);
	  }
   }

   VARDESC* operator->()
   {
	  return m_pVarDesc;
   }

   VARDESC** operator&()
   {
	  return &m_pVarDesc;
   }

    operator VARDESC* ()
    {
        return m_pVarDesc;
    }
};

//Wrapper for FUNCDESC structure
class FuncDesc
{
	FUNCDESC* operator = (const FuncDesc &);
	FuncDesc(const FuncDesc&);
	CComPtr<ITypeInfo> m_pTypeInfo;
    FUNCDESC * m_pFuncDesc;

public:
    
	FuncDesc(ITypeInfo * pTypeInfo) :
		m_pFuncDesc(NULL),
		m_pTypeInfo(pTypeInfo)
		{
			OSL_ASSERT(pTypeInfo);
		}
	~FuncDesc()
	{
		ReleaseFUNCDESC();
	}

	FUNCDESC* operator -> ()
	{
		return m_pFuncDesc;
	}

	FUNCDESC** operator & ()
	{
		return & m_pFuncDesc;
	}

    operator FUNCDESC* ()
    {
        return m_pFuncDesc;
    }

	FUNCDESC* operator = (FUNCDESC* pDesc)
	{
		ReleaseFUNCDESC();
		m_pFuncDesc = pDesc;
		return m_pFuncDesc;
	}
	FUNCDESC* Detach()
	{
		FUNCDESC* pDesc = m_pFuncDesc;
		m_pFuncDesc = NULL;
		return pDesc;
	}

	void ReleaseFUNCDESC()
	{
		if (m_pFuncDesc != NULL)
		{
			m_pTypeInfo->ReleaseFuncDesc(m_pFuncDesc);
		}
		m_pFuncDesc = NULL;
	}
};
//Wrapper for EXCEPINFO structure
class ExcepInfo : public EXCEPINFO
{
	EXCEPINFO* operator = (const ExcepInfo& );
	ExcepInfo(const ExcepInfo &);
public:
   ExcepInfo()
   {
	  memset(this, 0, sizeof(ExcepInfo));
   }
   ~ExcepInfo()
   {
   	  if (bstrSource != NULL)
		 ::SysFreeString(bstrSource);
	  if (bstrDescription != NULL)
		::SysFreeString(bstrDescription);
	  if (bstrHelpFile != NULL)
		::SysFreeString(bstrHelpFile);
   }
};

//Wrapper for TYPEATTR
class TypeAttr
{
	TYPEATTR* operator = (const TypeAttr &);
	TypeAttr(const TypeAttr &);
public:
	CComPtr< ITypeInfo > m_pTypeInfo;
	TYPEATTR* m_pTypeAttr;

	TypeAttr(ITypeInfo* pTypeInfo) :
	  m_pTypeAttr( NULL ),
	  m_pTypeInfo( pTypeInfo )
   {
	   OSL_ASSERT(pTypeInfo);
   }
   ~TypeAttr() throw()
   {
		if (m_pTypeAttr != NULL)
		{
			m_pTypeInfo->ReleaseTypeAttr(m_pTypeAttr);
		}
   }

   TYPEATTR** operator&() throw()
   {
	  return &m_pTypeAttr;
   }

   TYPEATTR* operator->() throw()
   {
	  return m_pTypeAttr;
   }
};



}

#endif