C++ (Cpp) ASSERT_NULL_OR_POINTERの例

コード例 #1

ファイル: MyGraph.cpp プロジェクト: ghostenter/TortoiseGit

void MyGraphSeries::SetTipRegion(int nGroup, CRgn* prgn)
{
	VALIDATE;
	_ASSERTE(0 <= nGroup);
	ASSERT_VALID(prgn);

	// If there is an existing region, delete it.
	CRgn* prgnOld = NULL;

	if (nGroup < m_oaRegions.GetSize())
	{
		prgnOld = m_oaRegions.GetAt(nGroup);
		ASSERT_NULL_OR_POINTER(prgnOld, CRgn);
	}

	if (prgnOld) {
		delete prgnOld;
		prgnOld = NULL;
	}

	// Add the new region.
	m_oaRegions.SetAtGrow(nGroup, prgn);

	_ASSERTE(m_oaRegions.GetSize() <= m_dwaValues.GetSize());
}

コード例 #2

ファイル: ctlpset.cpp プロジェクト: anyue100/winscp

CPropsetPropExchange::CPropsetPropExchange(CPropertySection& psec,
		LPSTORAGE lpStorage, BOOL bLoading) :
	m_psec(psec),
	m_lpStorage(lpStorage),
	m_dwPropID(255)
{
	ASSERT_POINTER(&psec, CPropertySection);
	ASSERT_NULL_OR_POINTER(lpStorage, IStorage);

	m_bLoading = bLoading;
}

コード例 #3

ファイル: MyGraph.cpp プロジェクト: ghostenter/TortoiseGit

// Returns which group (if any) the sent point lies within in this series.
int MyGraphSeries::HitTest(const CPoint& pt, int searchStart = 0) const
{
	VALIDATE;

	for (int nGroup = searchStart; nGroup < m_oaRegions.GetSize(); ++nGroup) {
		CRgn* prgnData = m_oaRegions.GetAt(nGroup);
		ASSERT_NULL_OR_POINTER(prgnData, CRgn);

		if (prgnData  &&  prgnData->PtInRegion(pt)) {
			return nGroup;
		}
	}

	return -1;
}

コード例 #4

ファイル: ctlpset.cpp プロジェクト: anyue100/winscp

BOOL CPropsetPropExchange::ExchangePersistentProp(LPCTSTR pszPropName,
		LPUNKNOWN* ppUnk, REFIID iid, LPUNKNOWN pUnkDefault)
{
	ASSERT(AfxIsValidString(pszPropName));
	ASSERT_POINTER(ppUnk, LPUNKNOWN);
	ASSERT_NULL_OR_POINTER(pUnkDefault, IUnknown);

	BOOL bSuccess = FALSE;

	if (m_bLoading)
	{
		RELEASE(*ppUnk);
		*ppUnk = NULL;

		DWORD vtType;
		LPSTREAM pstm = _AfxLoadStreamFromPropset(m_psec, pszPropName, vtType);

		if (pstm != NULL)
		{
			CLSID clsid;

			switch(vtType)
			{
			case VT_BLOB:
				if (_AfxPeekAtClassIDInStream(pstm, &clsid))
				{
					if (IsEqualCLSID(clsid, CLSID_StdPicture) ||
						IsEqualCLSID(clsid, _afx_CLSID_StdPicture_V1))
					{
						// Special case: load the picture directly.
						bSuccess = SUCCEEDED(::ReadClassStm(pstm, &clsid)) &&
							SUCCEEDED(::OleLoadPicture(pstm, 0, FALSE, iid,
							(LPVOID*)ppUnk));
					}
					else
					{
						// Load the object.
						bSuccess = SUCCEEDED(::OleLoadFromStream(pstm, iid,
							(LPVOID*)ppUnk));
					}
				}
				break;

			case VT_BLOB_PROPSET:
				*ppUnk = _AfxCreateObjectFromStreamedPropset(pstm, iid);
				break;

			default:
				break;
			}

			pstm->Release();
		}

		if (!bSuccess && (pUnkDefault != NULL))
		{
			bSuccess = SUCCEEDED(pUnkDefault->QueryInterface(iid,
				(LPVOID*)ppUnk));
		}
	}
	else
	{
		if ((*ppUnk == NULL) ||
			_AfxIsSameUnknownObject(iid, *ppUnk, pUnkDefault))
		{
			bSuccess = TRUE;
		}
		else
		{
			++m_dwPropID;

			bSuccess = m_psec.SetName(m_dwPropID, pszPropName) &&
				_AfxSaveObjectInPropset(*ppUnk, m_psec, m_dwPropID);
		}
	}

	return bSuccess;
}

コード例 #5

ファイル: ctlpset.cpp プロジェクト: anyue100/winscp

BOOL CPropsetPropExchange::ExchangeFontProp(LPCTSTR pszPropName,
		CFontHolder& font, const FONTDESC* pFontDesc,
		LPFONTDISP pFontDispAmbient)
{
	ASSERT(AfxIsValidString(pszPropName));
	ASSERT_POINTER(&font, CFontHolder);
	ASSERT_NULL_OR_POINTER(pFontDesc, FONTDESC);
	ASSERT_NULL_OR_POINTER(pFontDispAmbient, IFontDisp);

	BOOL bSuccess = FALSE;

	if (m_bLoading)
	{
		DWORD vtType;
		LPSTREAM pstm = _AfxLoadStreamFromPropset(m_psec, pszPropName, vtType);

		if (pstm != NULL)
		{
			LPFONT pFont;

			switch(vtType)
			{
			case VT_BLOB:
				pFont = _AfxCreateFontFromStream(pstm);
				break;

			case VT_BLOB_PROPSET:
				pFont = (LPFONT)_AfxCreateObjectFromStreamedPropset(pstm,
					IID_IFont);
				break;

			default:
				pFont = NULL;
			}

			if (pFont != NULL)
			{
				font.SetFont(pFont);
				bSuccess = TRUE;
			}

			pstm->Release();
		}

		if (!bSuccess)
		{
			// Initialize font to its default state
			font.InitializeFont(pFontDesc, pFontDispAmbient);
		}
	}
	else
	{
		if ((font.m_pFont == NULL) ||
			_AfxIsSameFont(font, pFontDesc, pFontDispAmbient))
		{
			bSuccess = TRUE;
		}
		else
		{
			++m_dwPropID;

			bSuccess = m_psec.SetName(m_dwPropID, pszPropName) &&
				_AfxSaveObjectInPropset(font.m_pFont, m_psec, m_dwPropID);
		}
	}

	return bSuccess;
}