离线本地oj练习系统

// This is a part of the Microsoft Foundation Classes C++ library. // Copyright (C) 1992-1998 Microsoft Corporation // All rights reserved. // // This source code is only intended as a supplement to the // Microsoft Foundation Classes Reference and related // electronic documentation provided with the library. // See these sources for detailed information regarding the // Microsoft Foundation Classes product. #include "stdafx.h" #ifdef AFX_DB_SEG #pragma code_seg(AFX_DB_SEG) #endif #ifdef _DEBUG #undef THIS_FILE static char THIS_FILE[] = __FILE__; #endif #pragma comment(lib, "ole32.lib") #define new DEBUG_NEW ///////////////////////////////////////////////////////////////////////////// // Maintain DAODBEngine object _AFX_DAO_STATE::_AFX_DAO_STATE() { m_pDAODBEngine = NULL; m_bOleInitialized = FALSE; } _AFX_DAO_STATE::~_AFX_DAO_STATE() { // these ASSERTs can trip when: // ... there any outstanding workspsace objects ASSERT(m_mapWorkspaces.IsEmpty()); // ... you've not shut down with a call AfxDaoTerm() ASSERT(m_pDAODBEngine == NULL); // ... OLE wasn't correctly shut down ASSERT(!m_bOleInitialized); } ////////////////////////////////////////////////////////////////////////// // Helpers // Index function return value #define AFX_DAO_DATA_NOT_FOUND (-1L) #define AFX_DAO_FETCH_PRIMARY_PROPERTIES \ (AFX_DAO_PRIMARY_INFO | AFX_DAO_SECONDARY_INFO | AFX_DAO_ALL_INFO) #define AFX_DAO_FETCH_SECONDARY_PROPERTIES \ (AFX_DAO_SECONDARY_INFO | AFX_DAO_ALL_INFO) #define AFX_DAO_FETCH_ALL_PROPERTIES \ AFX_DAO_ALL_INFO // Info helpers void AFX_CDECL AfxGetFieldInfo(DAOField* pDAOField, CDaoFieldInfo& fieldinfo, DWORD dwInfoOptions = AFX_DAO_PRIMARY_INFO); void AFX_CDECL AfxSetFieldInfo(DAOField* pDAOField, CDaoFieldInfo& fieldinfo); void AFX_CDECL AfxGetIndexInfo(DAOIndex* pDAOIndex, CDaoIndexInfo& indexinfo, DWORD dwInfoOptions = AFX_DAO_PRIMARY_INFO); void AFX_CDECL AfxSetIndexInfo(DAOIndex* pDAOIndex, CDaoIndexInfo& indexinfo); void AFX_CDECL AfxGetIndexFields(DAOIndex* pDAOIndex, DAOIndexFields** ppDAOIndexFields); void AFX_CDECL AfxGetIndexFieldInfo(DAOIndex* pDAOIndex, CDaoIndexInfo& indexinfo); void AFX_CDECL AfxSetIndexFieldInfo(DAOIndex* pDAOIndex, CDaoIndexInfo& indexinfo); void AFX_CDECL AfxGetDefaultValue(DAOField* pDAOField, CString& strDefaultValue); void AFX_CDECL AfxSetDefaultValue(DAOField* pDAOField, CString& strDefaultValue); // GetRows helper void AFX_CDECL ThrowGetRowsDaoException(SCODE scode); // _AFX_DAO_STATE helper _AFX_DAO_STATE* AFX_CDECL AfxGetDaoState(); ////////////////////////////////////////////////////////////////////////// // Global data AFX_STATIC_DATA const TCHAR _afxParameters2[] = _T("PARAMETERS "); AFX_STATIC_DATA const TCHAR _afxSelect2[] = _T("SELECT "); AFX_STATIC_DATA const TCHAR _afxFrom2[] = _T(" FROM "); AFX_STATIC_DATA const TCHAR _afxWhere2[] = _T(" WHERE "); AFX_STATIC_DATA const TCHAR _afxOrderBy2[] = _T(" ORDER BY "); AFX_STATIC_DATA const TCHAR _afxTransform2[] = _T("TRANSFORM "); AFX_STATIC_DATA const TCHAR _afxTable2[] = _T("TABLE "); // Need a static VARIANT for optional DAO parameters AFX_STATIC_DATA VARIANT _afxOptionalVariant = { VT_ERROR, 0, 0, 0, DISP_E_PARAMNOTFOUND }; // Need a static VARIANT for NULL DAO parameters AFX_STATIC_DATA VARIANT _afxNullVariant = { VT_NULL, 0, 0, 0, 0 }; ////////////////////////////////////////////////////////////////////////// // Logging helpers void AFXAPI AfxDaoCheck(SCODE scode, LPCSTR lpszDaoCall, LPCSTR lpszFile, int nLine, int nError, BOOL bMemOnly) { UNUSED(lpszDaoCall); UNUSED(lpszFile); UNUSED(nLine); if (FAILED(scode)) { #ifdef _DEBUG if (afxTraceFlags & traceDatabase) { TRACE0("\nDAO Call Failed."); TRACE1("\n\t%hs", lpszDaoCall); TRACE2("\n\tIn file %hs on line %d", lpszFile, nLine); TRACE1("\n\tscode = %X\n", scode); } #endif if (scode == E_OUTOFMEMORY) AfxThrowMemoryException(); else if (!bMemOnly) AfxThrowDaoException(nError, scode); } } #ifdef _DEBUG void AFXAPI AfxDaoTrace(SCODE scode, LPCSTR lpszDaoCall, LPCSTR lpszFile, int nLine) { if (FAILED(scode)) { if (afxTraceFlags & traceDatabase) { TRACE0("\nDAO Call Failed.\n\t"); TRACE1("\n%hs", lpszDaoCall); TRACE2("\nIn file %hs on line %d\n", lpszFile, nLine); TRACE1("scode = %X\n", scode); } } } #endif // _DEBUG ////////////////////////////////////////////////////////////////////////// // Info structure diagnostics #ifdef _DEBUG void CDaoErrorInfo::Dump(CDumpContext& dc) const { dc << "a CDaoErrorInfo at " << (void*)this; dc << "\nm_lErrorCode = " << m_lErrorCode; dc << "\nm_strSource = " << m_strSource; dc << "\nm_strDescription = " << m_strDescription; dc << "\nm_strHelpFile = " << m_strHelpFile; dc << "\nm_lHelpContext = " << m_lHelpContext; dc << "\n"; } #endif // _DEBUG #ifdef _DEBUG void CDaoWorkspaceInfo::Dump(CDumpContext& dc) const { dc << "a CDaoWorkspaceInfo at " << (void*)this; dc << "\nm_strName = " << m_strName; dc << "\nm_strUserName = " << m_strUserName; dc << "\nb = m_bIsolateODBCTrans" << m_bIsolateODBCTrans; dc << "\n"; } #endif // _DEBUG #ifdef _DEBUG void CDaoDatabaseInfo::Dump(CDumpContext& dc) const { dc << "a CDaoDatabaseInfo at " << (void*)this; dc << "\nm_strName = " << m_strName; dc << "\nm_bUpdatable = " << m_bUpdatable; dc << "\nm_bTransactions = " << m_bTransactions; dc << "\nm_strVersion = " << m_strVersion; dc << "\nm_lCollatingOrder = " << m_lCollatingOrder; dc << "\nm_nQueryTimeout = " << m_nQueryTimeout; dc << "\nm_strConnect = " << m_strConnect; dc << "\n"; } #endif // _DEBUG #ifdef _DEBUG void CDaoTableDefInfo::Dump(CDumpContext& dc) const { dc << "a CDaoTableDefInfo at " << (void*)this; dc << "\nm_strName = " << m_strName; dc << "\nm_bUpdatable = " << m_bUpdatable; dc << "\nm_lAttributes = " << m_lAttributes; dc << "\nm_dateDateCreated = " << m_dateCreated; dc << "\nm_dateLastUpdated = " << m_dateLastUpdated; dc << "\nm_strSrcTableName = " << m_strSrcTableName; dc << "\nm_strConnect = " << m_strConnect; dc << "\nm_strValidationRule = " << m_strValidationRule; dc << "\nm_strValidationText = " << m_strValidationText; dc << "\nm_lRecordCount = " << m_lRecordCount; dc << "\n"; } #endif // _DEBUG #ifdef _DEBUG void CDaoFieldInfo::Dump(CDumpContext& dc) const { dc << "a CDaoFieldInfo at " << (void*)this; dc << "\nm_strName = " << m_strName; dc << "\nm_nType = " << m_nType; dc << "\nm_lSize = " << m_lSize; dc << "\nm_lAttributes = " << m_lAttributes; dc << "\nm_nOrdinalPosition = " << m_nOrdinalPosition; dc << "\nm_bRequired = " << m_bRequired; dc << "\nm_bAllowZeroLength = " << m_bAllowZeroLength; dc << "\nm_lCollatingOrder = " << m_lCollatingOrder; dc << "\nm_strForeignName = " << m_strForeignName; dc << "\nm_strSourceField = " << m_strSourceField; dc << "\nm_strSourceTable = " << m_strSourceTable; dc << "\nm_strValidationRule = " << m_strValidationRule; dc << "\nm_strValidationText = " << m_strValidationText; dc << "\nm_strDefaultValue = " << m_strDefaultValue; dc << "\n"; } #endif // _DEBUG #ifdef _DEBUG void CDaoIndexFieldInfo::Dump(CDumpContext& dc) const { dc << " a CDaoIndexFieldInfo at " << (void*)this; dc << "\nm_strName = " << m_strName; dc << "\nm_bDescending = " << m_bDescending; } #endif CDaoIndexInfo::CDaoIndexInfo() { m_pFieldInfos = NULL; m_nFields = 0; m_bCleanupFieldInfo = FALSE; } CDaoIndexInfo::~CDaoIndexInfo() { if (m_bCleanupFieldInfo && m_pFieldInfos != NULL) { delete[] m_pFieldInfos; m_pFieldInfos = NULL; } } #ifdef _DEBUG void CDaoIndexInfo::Dump(CDumpContext& dc) const { dc << "a CDaoIndexInfo at " << (void*)this; dc << "\nm_strName = " << m_strName; dc << "\nm_nFields = " << m_nFields; for (int