168 lines
6.6 KiB
C++
168 lines
6.6 KiB
C++
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//+---------------------------------------------------------------------------
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//
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// Copyright (C) Microsoft Corporation, 1996 - 2000.
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//
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// File: strrest.hxx
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//
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// Contents: Builds a restriction object from a string
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//
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// History: 96/Jan/3 DwightKr Created
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// 97/Jul/22 KrishnaN Extended to take a restriction
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// and build a full query tree.
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//
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//----------------------------------------------------------------------------
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#pragma once
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class PVariableSet;
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class CVariable;
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CDbRestriction * GetStringDbRestriction( const WCHAR * wcsRestriction,
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ULONG ulDialect,
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IColumnMapper * pList,
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LCID locale );
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CDbCmdTreeNode * FormDbQueryTree( XPtr<CDbCmdTreeNode> & xDbCmdTreeNode,
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XPtr<CDbSortNode> & xDbSortNode,
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XPtr<CDbProjectListAnchor> & pDbCols,
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XPtr<CDbNestingNode> & pDbGroupNode,
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ULONG ulMaxRecords,
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ULONG ulFirstRows );
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CDbColumns * ParseStringColumns( WCHAR const * wcsColumns,
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IColumnMapper * pList,
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LCID lcid = GetSystemDefaultLCID(),
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PVariableSet * pVarSet = 0,
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CDynArray<WCHAR> * pawcsColumns = 0 );
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CDbProjectListAnchor * ParseColumnsWithFriendlyNames( WCHAR const * wcsColumns,
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IColumnMapper * pList,
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PVariableSet * pVarSet = 0 );
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//+---------------------------------------------------------------------------
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//
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// Class: CTextToTree
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//
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// Purpose: An object to convert the textual restriction, columns and
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// sort specification to a DBCOMMANDTREE.
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//
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// History: 3-04-97 srikants Created
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//
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//----------------------------------------------------------------------------
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class CTextToTree
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{
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public:
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CTextToTree( WCHAR const * wcsRestriction,
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ULONG ulDialect,
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WCHAR const * wcsColumns,
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IColumnMapper * pPropList,
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LCID locale,
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WCHAR const * wcsSort = 0,
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WCHAR const * wcsGroup = 0,
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PVariableSet * pVariableSet = 0,
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ULONG maxRecs = 0,
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ULONG cFirstRows = 0,
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BOOL fKeepFriendlyNames = FALSE )
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: _wcsRestriction(wcsRestriction),
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_ulDialect( ulDialect ),
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_wcsColumns(wcsColumns),
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_wcsSort(wcsSort),
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_wcsGroup(wcsGroup),
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_locale(locale),
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_pVariableSet(pVariableSet),
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_pDbColumns(0),
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_xPropList(pPropList),
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_maxRecs(maxRecs),
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_cFirstRows(cFirstRows),
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_fKeepFriendlyNames( fKeepFriendlyNames ),
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_pDbCmdTree( 0 )
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{
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Win4Assert( 0 != wcsRestriction && 0 != wcsRestriction[0] );
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Win4Assert( 0 != _wcsColumns && 0 != _wcsColumns[0] );
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_xPropList->AddRef();
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}
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CTextToTree( DBCOMMANDTREE const *pDbCmdTree,
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WCHAR const * wcsColumns,
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IColumnMapper *pPropList,
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LCID locale,
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WCHAR const * wcsSort = 0,
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WCHAR const * wcsGroup = 0,
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PVariableSet * pVariableSet = 0,
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ULONG maxRecs = 0,
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ULONG cFirstRows = 0,
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BOOL fKeepFriendlyNames = FALSE )
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: _wcsRestriction( 0 ),
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_ulDialect( ISQLANG_V1 ),
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_wcsColumns(wcsColumns),
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_wcsSort(wcsSort),
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_wcsGroup(wcsGroup),
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_locale(locale),
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_pVariableSet(pVariableSet),
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_pDbColumns(0),
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_xPropList(pPropList),
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_maxRecs(maxRecs),
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_cFirstRows(cFirstRows),
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_fKeepFriendlyNames( fKeepFriendlyNames ),
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_pDbCmdTree( pDbCmdTree )
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{
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Win4Assert( 0 != _pDbCmdTree );
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Win4Assert( 0 != _wcsColumns && 0 != _wcsColumns[0] );
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_xPropList->AddRef();
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}
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CTextToTree( WCHAR const * wcsRestriction,
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ULONG ulDialect,
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CDbColumns * pDbColumns,
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IColumnMapper *pPropList,
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LCID locale,
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WCHAR const * wcsSort = 0,
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WCHAR const * wcsGroup = 0,
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PVariableSet * pVariableSet = 0,
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ULONG maxRecs = 0,
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ULONG cFirstRows = 0 )
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: _wcsRestriction(wcsRestriction),
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_ulDialect( ulDialect ),
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_wcsColumns(0),
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_wcsSort(wcsSort),
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_wcsGroup(wcsGroup),
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_locale(locale),
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_pVariableSet(pVariableSet),
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_pDbColumns(pDbColumns),
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_xPropList(pPropList),
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_maxRecs(maxRecs),
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_cFirstRows(cFirstRows),
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_fKeepFriendlyNames(FALSE),
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_pDbCmdTree( 0 )
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{
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Win4Assert( 0 != wcsRestriction && 0 != wcsRestriction[0] );
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Win4Assert( 0 != pDbColumns );
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_xPropList->AddRef();
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}
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DBCOMMANDTREE * FormFullTree();
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private:
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WCHAR const * _wcsRestriction; // Restriction in "Tripolish"
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ULONG _ulDialect; // tripolish dialict
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DBCOMMANDTREE const * _pDbCmdTree; // Restriction tree
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WCHAR const * _wcsColumns; // Comma separated column list
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WCHAR const * _wcsSort; // Sort specification
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WCHAR const * _wcsGroup; // Grouping specification
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CDbColumns * _pDbColumns; // Parsed db columns
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XInterface<IColumnMapper> _xPropList; // Property List
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LCID _locale; // Locale for parsing the strings
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PVariableSet * _pVariableSet; // Variable Set
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ULONG _maxRecs; // Maximum number of output records
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ULONG _cFirstRows;
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BOOL _fKeepFriendlyNames; // Flag indicating if friendly names
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// from columns should be retained
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};
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