263 lines
7.7 KiB
C++
263 lines
7.7 KiB
C++
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//+---------------------------------------------------------------------------
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//
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// Copyright (C) 1994, Microsoft Corporation.
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//
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// File: util.cxx
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//
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// Contents: global utilities and data for Content Index Test 'Q'
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//
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// History: 27-Dec-94 dlee Created from pieces of Q
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// 18-Jan-95 t-colinb Added suppport for COMMAND_GETLASTQUERY_FAILED
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// 02-Mar-95 t-colinb Removed unnecessary IMPLEMENT_UNWIND
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//
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//----------------------------------------------------------------------------
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#include <pch.cxx>
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#pragma hdrstop
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#include <dberror.hxx> // for IsCIError function
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#include <vqdebug.hxx>
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//+---------------------------------------------------------------------------
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//
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// Function: OpenFileFromPath
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//
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// Synopsis: Searches the current path for the specified file and
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// opens it for reading.
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//
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// Arguments: [wcsFile] -- filename to open
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//
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// History: 17-Jun-94 t-jeffc Created
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//
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//----------------------------------------------------------------------------
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FILE * OpenFileFromPath( WCHAR const * wcsFile )
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{
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unsigned int cwcPath = 256;
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XArray<WCHAR> wcsPath( cwcPath );
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WCHAR * wcsFilePart;
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for( ;; )
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{
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DWORD rc = SearchPath( NULL,
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wcsFile,
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NULL,
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cwcPath,
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wcsPath.GetPointer(),
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&wcsFilePart );
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if( rc == 0 )
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return NULL;
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else if( rc >= cwcPath )
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{
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delete [] wcsPath.Acquire();
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cwcPath = rc + 1;
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wcsPath.Init( cwcPath );
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}
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else
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break;
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}
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return _wfopen( wcsPath.GetPointer(), L"r" );
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}
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//-----------------------------------------------------------------------------
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//
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// Function: GetOleDBErrorInfo
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//
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// Synopsis: Retrieves the secondary error from Ole DB error object
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//
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// Arguments: [pErrSrc] - Pointer to object that posted the error.
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// [riid] - Interface that posted the error.
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// [lcid] - Locale in which the text is desired.
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// [pErrorInfo] - Pointer to memory where ERRORINFO should be.
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// [ppIErrorInfo] - Holds the returning IErrorInfo. Caller should
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// release this.
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//
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// Notes: The caller should use the contents of *ppIErrorInfo only if the return
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// is >= 0 (SUCCEEDED(return value)) AND *ppIErrorInfo is not NULL.
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//
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// History: 05 May 1997 KrishnaN Created
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//
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//-----------------------------------------------------------------------------
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SCODE GetOleDBErrorInfo(IUnknown *pErrSrc,
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REFIID riid,
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LCID lcid,
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unsigned eDesiredDetail,
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ERRORINFO *pErrorInfo,
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IErrorInfo **ppIErrorInfo)
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{
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if (0 == pErrSrc || 0 == pErrorInfo || 0 == ppIErrorInfo)
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return E_INVALIDARG;
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*ppIErrorInfo = 0;
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SCODE sc = S_OK;
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XInterface<ISupportErrorInfo> xSupportErrorInfo;
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sc = pErrSrc->QueryInterface(IID_ISupportErrorInfo, xSupportErrorInfo.GetQIPointer());
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if (FAILED(sc))
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return sc;
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sc = xSupportErrorInfo->InterfaceSupportsErrorInfo(riid);
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if (FAILED(sc))
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return sc;
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//
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// Get the current error object. Return if none exists.
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//
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XInterface<IErrorInfo> xErrorInfo;
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sc = GetErrorInfo(0, (IErrorInfo **)xErrorInfo.GetQIPointer());
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if ( 0 == xErrorInfo.GetPointer() )
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return sc;
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//
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// Get the IErrorRecord interface and get the count of errors.
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//
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XInterface<IErrorRecords> xErrorRecords;
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sc = xErrorInfo->QueryInterface(IID_IErrorRecords, xErrorRecords.GetQIPointer());
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if (FAILED(sc))
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return sc;
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ULONG cErrRecords;
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sc = xErrorRecords->GetRecordCount(&cErrRecords);
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if (0 == cErrRecords)
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return sc;
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//
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// We will first look for what the user desires.
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// If we can't find what they desire, then we
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// return the closest we can.
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//
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ULONG ulRecord = 0;
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long i; // This has to be signed to keep the loop test simple
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switch (eDesiredDetail)
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{
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case eMostGeneric:
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ulRecord = 0;
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break;
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case eDontCare:
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case eMostDetailed:
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ulRecord = cErrRecords - 1;
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break;
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case eMostDetailedOleDBError:
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// Find the last (starting from 0) non-CI error
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ulRecord = cErrRecords - 1;
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for (i = (long) cErrRecords - 1; i >= 0 ; i--)
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{
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xErrorRecords->GetBasicErrorInfo(i, pErrorInfo);
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// if it not a CI error, it is a Ole DB error
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if (!IsCIError(pErrorInfo->hrError))
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{
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ulRecord = i;
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break;
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}
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}
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break;
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case eMostDetailedCIError:
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// Find the last (starting from 0) non-CI error
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ulRecord = cErrRecords - 1;
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for (i = (long) cErrRecords - 1; i >= 0 ; i--)
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{
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xErrorRecords->GetBasicErrorInfo(i, pErrorInfo);
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if (IsCIError(pErrorInfo->hrError))
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{
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ulRecord = i;
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break;
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}
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}
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break;
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case eMostGenericOleDBError:
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// Find the first (starting from 0) non-CI error
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ulRecord = 0;
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for (i = 0; i < (long)cErrRecords; i++)
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{
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xErrorRecords->GetBasicErrorInfo(i, pErrorInfo);
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// if it not a CI error, it is a Ole DB error
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if (!IsCIError(pErrorInfo->hrError))
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{
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ulRecord = i;
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break;
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}
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}
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break;
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case eMostGenericCIError:
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// Find the first (starting from 0) non-CI error
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ulRecord = 0;
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for (i = 0; i < (long)cErrRecords; i++)
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{
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xErrorRecords->GetBasicErrorInfo(i, pErrorInfo);
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// if it not a CI error, it is a Ole DB error
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if (IsCIError(pErrorInfo->hrError))
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{
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ulRecord = i;
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break;
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}
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}
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break;
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default:
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Win4Assert(!"Unrecognized error detail option!");
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ulRecord = 0;
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break;
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}
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// Get basic error information
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Win4Assert( ulRecord < cErrRecords );
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sc = xErrorRecords->GetBasicErrorInfo(ulRecord, pErrorInfo);
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Win4Assert(sc != DB_E_BADRECORDNUM);
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sc = xErrorRecords->GetErrorInfo(ulRecord, lcid, ppIErrorInfo);
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Win4Assert(sc != DB_E_BADRECORDNUM);
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#if CIDBG
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//
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// Get error description and source through the IErrorInfo
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// interface pointer on a particular record.
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//
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BSTR bstrErrorDescription = 0;
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BSTR bstrErrorSource = 0;
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(*ppIErrorInfo)->GetDescription(&bstrErrorDescription);
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(*ppIErrorInfo)->GetSource(&bstrErrorSource);
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//
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// At this point we could call GetCustomErrorObject and query for additional
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// interfaces to determine what else happened. Currently no custom errors are
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// supported, so nothing to do.
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//
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if (bstrErrorSource && bstrErrorDescription)
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{
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WCHAR wszBuff[1024];
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swprintf(wszBuff, L"HRESULT: %lx, Minor Code: %lu, Source: %ws\nDescription: %ws\n",
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pErrorInfo->hrError, pErrorInfo->dwMinor, bstrErrorSource, bstrErrorDescription);
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vqDebugOut((DEB_IERROR, "%ws", wszBuff));
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}
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//
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// Free the resources
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//
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SysFreeString(bstrErrorDescription);
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SysFreeString(bstrErrorSource);
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#endif // CIDBG
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return sc;
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}
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