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271 lines
9.7 KiB
271 lines
9.7 KiB
//+---------------------------------------------------------------------------
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//
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// Copyright (C) Microsoft Corporation, 1996 - 2000.
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//
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// File: idq.hxx
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//
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// Contents: Parser for an IDQ file
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//
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// History: 96/Jan/3 DwightKr Created
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//
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//----------------------------------------------------------------------------
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#pragma once
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#if !defined( LONGSIG )
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#define LONGSIG(c1, c2, c3, c4) \
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(((ULONG) (BYTE) (c1)) | \
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(((ULONG) (BYTE) (c2)) << 8) | \
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(((ULONG) (BYTE) (c3)) << 16) | \
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(((ULONG) (BYTE) (c4)) << 24))
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#endif // LONGSIG
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class CVariable;
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class CVariableSet;
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class COutputFormat;
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//+---------------------------------------------------------------------------
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//
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// Function: ISAPI_IDQHash, inline
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//
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// Arguments: [wcsName] -- name to be hashed
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//
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// Returns: ULONG - hashed value for wcsName
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//
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//----------------------------------------------------------------------------
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inline ULONG ISAPI_IDQHash( WCHAR const * wcsName )
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{
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ULONG ulHash = 0;
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ULONG cwcName;
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for ( cwcName=0; wcsName[cwcName] != 0; cwcName++ )
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{
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ulHash <<= 1;
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ulHash += wcsName[cwcName];
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}
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ulHash += cwcName;
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return ulHash;
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}
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//+---------------------------------------------------------------------------
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//
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// Class: CIDQFile
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//
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// Purpose: Scans and parses an IDQ file.
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//
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// History: 96/Jan/23 DwightKr Created
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//
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//----------------------------------------------------------------------------
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class CIDQFile
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{
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public:
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CIDQFile( WCHAR const * wcsFileName,
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UINT codePage,
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CSecurityIdentity const & securityIdentity );
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~CIDQFile();
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void ParseFile();
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WCHAR const * GetIDQFileName() const { return _wcsIDQFileName; }
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WCHAR const * GetRestriction() const { return _wcsRestriction; }
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WCHAR const * GetDialect() const { return _wcsDialect; }
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WCHAR const * GetScope() const { return _wcsScope; }
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WCHAR const * GetSort() const { return _wcsSort; }
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WCHAR const * GetCiFlags() const { return _wcsCiFlags; }
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WCHAR const * GetForceUseCI() const { return _wcsForceUseCi; }
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WCHAR const * GetDeferTrimming() const { return _wcsDeferTrimming; }
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WCHAR const * GetHTXFileName() const { return _wcsHTXFileName; }
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WCHAR const * GetCatalog() const { return _wcsCatalog; }
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WCHAR const * GetColumns() const { return _wcsColumns; }
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WCHAR const * GetLocale() const { return _wcsLocale; }
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WCHAR const * GetCanonicalOutput() const { return _wcsCanonicalOutput; }
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WCHAR const * GetDontTimeout() const { return _wcsDontTimeout; }
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WCHAR const * GetMaxRecordsInResultSet() const { return _wcsMaxRecordsInResultSet; }
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WCHAR const * GetMaxRecordsPerPage() const { return _wcsMaxRecordsPerPage; }
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WCHAR const * GetFirstRowsInResultSet() const { return _wcsFirstRowsInResultSet; }
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IColumnMapper * GetColumnMapper() const { return _xList.GetPointer(); }
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BOOL IsCachedDataValid();
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inline BOOL CheckSecurity( CSecurityIdentity const & securityIdentity ) const;
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void SetSecurityToken( CSecurityIdentity const & securityIdentity )
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{
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_securityIdentity.SetSecurityToken( securityIdentity );
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}
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void GetVectorFormatting( COutputFormat & outputFormat );
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CDbColumns * ParseColumns( WCHAR const * wcsColumns,
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CVariableSet & variableSet,
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CDynArray<WCHAR> & awcsColumns );
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ULONG GetReplaceableParameterCount() const { return _cReplaceableParameters; }
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void LokAddRef() { InterlockedIncrement(&_refCount); }
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void Release()
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{
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InterlockedDecrement(&_refCount);
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Win4Assert( _refCount >= 0 );
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}
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LONG LokGetRefCount() { return _refCount; }
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ULONG ParseFlags( WCHAR const * wcsCiFlags );
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BOOL ParseForceUseCI( WCHAR const * wcsForceUseCi );
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BOOL ParseDeferTrimming( WCHAR const * wcsDeferTrimming );
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BOOL IsCanonicalOutput() const;
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BOOL IsDontTimeout() const;
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UINT GetCodePage() const { return _codePage; }
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private:
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void ParseOneLine( CQueryScanner & scan, unsigned iLine );
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void GetStringValue( CQueryScanner & scan,
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unsigned iLine,
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WCHAR ** pwcsStringValue,
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BOOL fParseQuotes = TRUE );
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WCHAR * _wcsRestriction; // The query restriction
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WCHAR * _wcsDialect; // The tripolish version (1/2)
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WCHAR * _wcsScope; // The query scope
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WCHAR * _wcsColumns; // Output columns
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WCHAR * _wcsLocale; // Locale specified in IDQ file
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WCHAR * _wcsSort; // Sort order
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WCHAR * _wcsHTXFileName; // The name of the template file
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WCHAR * _wcsMaxRecordsInResultSet; // Max # recs to get from qry
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WCHAR * _wcsMaxRecordsPerPage; // Number of records per page
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WCHAR * _wcsFirstRowsInResultSet;
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WCHAR * _wcsCatalog; // Location of the catalog
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WCHAR * _wcsCiFlags; // Flags
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WCHAR * _wcsForceUseCi; // Force use of CI for all queries
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WCHAR * _wcsDeferTrimming; // Defer result trimming
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WCHAR * _wcsCanonicalOutput; // Canonical output
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WCHAR * _wcsDontTimeout; // Don't timeout value
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WCHAR * _wcsBoolVectorPrefix; // Prefix for vectors of bools
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WCHAR * _wcsBoolVectorSeparator; // Separator for vectors of bools
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WCHAR * _wcsBoolVectorSuffix; // Suffix for vectors or bools
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WCHAR * _wcsCurrencyVectorPrefix; // Prefix for vectors of currency
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WCHAR * _wcsCurrencyVectorSeparator;// Separator for vectors of currency
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WCHAR * _wcsCurrencyVectorSuffix; // Suffix for vectors or currency
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WCHAR * _wcsDateVectorPrefix; // Prefix for vectors of date
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WCHAR * _wcsDateVectorSeparator; // Separator for vectors of date
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WCHAR * _wcsDateVectorSuffix; // Suffix for vectors for date
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WCHAR * _wcsNumberVectorPrefix; // Prefix for vectors of numbers
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WCHAR * _wcsNumberVectorSeparator;// Separator for vectors of numbers
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WCHAR * _wcsNumberVectorSuffix; // Suffix for vectors or numbers
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WCHAR * _wcsStringVectorPrefix; // Prefix for vectors of strings
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WCHAR * _wcsStringVectorSeparator;// Separator for vectors of string
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WCHAR * _wcsStringVectorSuffix; // Suffix for vectors or strings
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ULONG _cReplaceableParameters; // # of replaceable parameters
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FILETIME _ftIDQLastWriteTime; // Last write time of IDQ file
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LONG _refCount; // Refcount for this file
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XInterface<CLocalGlobalPropertyList> _xList; // Parsed property list
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WCHAR _wcsIDQFileName[MAX_PATH]; // The IDQ file name
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UINT _codePage; // code page to parse file
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CSecurityIdentity _securityIdentity; // Security ID used to open file
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};
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//+---------------------------------------------------------------------------
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//
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// Function: GetLastWriteTime
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//
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// Purpose: Gets the last change time of the file specified
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//
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// Arguments: [wcsFileName] - name of file to get last write time of
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// [ft] - returns the last write time of the file
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//
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// History: 96/Jan/23 DwightKr Created
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//
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//----------------------------------------------------------------------------
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SCODE GetLastWriteTime( WCHAR const * wcsFileName, FILETIME & ft );
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//+---------------------------------------------------------------------------
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//
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// Class: CIDQFileList
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//
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// Purpose: List of parsed and cached IDQ files
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//
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// History: 96/Mar/27 DwightKr Created
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//
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//----------------------------------------------------------------------------
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class CIDQFileList
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{
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public:
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CIDQFileList()
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: _ulSignature( LONGSIG( 'i', 'd', 'q', 'l' ) )
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{
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END_CONSTRUCTION(CIDQFileList);
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}
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~CIDQFileList();
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CIDQFile * Find( WCHAR const * wcsFileName,
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UINT codePage,
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CSecurityIdentity const & securityIdentity );
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void Release( CIDQFile & idqFile );
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void DeleteZombies();
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private:
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ULONG _ulSignature; // Signature of start of privates
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CMutexSem _mutex; // To serialize access to list
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CDynArrayInPlace<CIDQFile *> _aIDQFile; // parsed IDQ files
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};
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//+---------------------------------------------------------------------------
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//
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// Method: CIDQFile::CheckSecurity
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//
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// Purpose: Compare user id with one used to load IDQ file
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//
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// Arguments: [securityIdentity] - Check against this
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//
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// Returns: TRUE if check passes
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//
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// History: 26-Oct-1996 KyleP Created
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//
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//----------------------------------------------------------------------------
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inline BOOL CIDQFile::CheckSecurity( CSecurityIdentity const & securityIdentity ) const
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{
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return _securityIdentity.IsEqual( securityIdentity );
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}
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//+---------------------------------------------------------------------------
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//
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// Function: IsNetPath
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//
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// Purpose: Determines if a physical path is a UNC
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//
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// Arguments: [pwszPath] -- The path to check
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//
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// Returns: TRUE if the path is a UNC, FALSE otherwise
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//
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// History: 26-Aug-1997 dlee Coped from impersonation code
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//
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//----------------------------------------------------------------------------
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inline BOOL IsNetPath( WCHAR const * pwszPath )
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{
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return L'\\' == pwszPath[0] && L'\\' == pwszPath[1];
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}
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