316 lines
8.6 KiB
C++
316 lines
8.6 KiB
C++
//+---------------------------------------------------------------------------
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//
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// Microsoft Windows
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// Copyright (C) Microsoft Corporation, 1992 - 1995.
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//
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// File: dbrstrct.cxx
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//
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// Contents: C++ Wrapper classes for DBCOMMANDTREE boolean operators
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//
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// Classes: CDbRestriction
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// CDbNodeRestriction
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// CDbNotRestriction
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// CDbPropBaseRestriction
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// CDbPropertyRestriction
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// CDbContentBaseRestriction
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// CDbContentRestriction
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// CDbNatLangContentRestriction
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//
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// History: 6-06-95 srikants Created
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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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extern const GUID DBGUID_LIKE_OFS;
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//+---------------------------------------------------------------------------
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//
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// Method: CDbPropBaseRestriction::SetProperty
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//
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// Synopsis: Set property node on a content restriction
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//
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// Arguments: [Property] - property identifier to be set on node
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//
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// Returns:
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//
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// History: 6-11-95 srikants Created
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//
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// Notes:
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//
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//----------------------------------------------------------------------------
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BOOL CDbPropBaseRestriction::SetProperty( DBID const & Property )
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{
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//
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// If a child property node already exists, we must delete it
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//
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CDbCmdTreeNode * pChild = GetFirstChild();
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Win4Assert( 0 == pChild || pChild->IsColumnName() );
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BOOL fSuccess = TRUE;
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if ( 0 != pChild && pChild->IsColumnName())
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{
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RemoveFirstChild( );
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delete pChild;
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}
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XPtr<CDbColumnNode> xProperty( new CDbColumnNode( Property, TRUE ) );
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if ( !xProperty.IsNull() && xProperty->IsValid() )
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{
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InsertChild( xProperty.GetPointer() );
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xProperty.Acquire();
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}
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else
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fSuccess = FALSE;
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return fSuccess;
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}
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//+---------------------------------------------------------------------------
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//
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// Method: CDbPropBaseRestriction::SetProperty
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//
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// Synopsis: Set property node on a content restriction
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//
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// Arguments: [Property] - property identifier to be set on node
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//
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// Returns:
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//
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// History: 6-11-95 srikants Created
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//
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// Notes:
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//
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//----------------------------------------------------------------------------
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BOOL CDbPropBaseRestriction::SetProperty( CDbColumnNode const & Property )
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{
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//
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// If a child node already exists, we must delete it
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//
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CDbCmdTreeNode * pChild = GetFirstChild();
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Win4Assert( 0 == pChild || pChild->IsColumnName() );
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if ( 0 != pChild && pChild->IsColumnName() )
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{
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RemoveFirstChild();
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delete pChild;
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}
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BOOL fSuccess = TRUE;
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XPtr<CDbColumnNode> xProperty( new CDbColumnNode( Property ) );
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if ( !xProperty.IsNull() && xProperty->IsValid() )
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{
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InsertChild( xProperty.GetPointer() );
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xProperty.Acquire();
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}
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else
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fSuccess = FALSE;
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return fSuccess;
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}
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//+---------------------------------------------------------------------------
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//
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// Method: CDbPropertyRestriction::CDbPropertyRestriction
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//
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// Synopsis:
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//
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// Arguments: [relop] - relation operator
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// [Property] - property identifier to be set on node
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// [prval] -
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//
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// Returns:
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//
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// History: 6-07-95 srikants Created
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//
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// Notes:
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//
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//----------------------------------------------------------------------------
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CDbPropertyRestriction::CDbPropertyRestriction( DBCOMMANDOP relop,
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DBID const & Property,
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CStorageVariant const & prval )
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{
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SetRelation( relop );
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SetProperty( Property );
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SetValue( prval );
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if (DBOP_like == relop)
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_SetLikeRelation();
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else
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SetValueType(DBVALUEKIND_I4);
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SetWeight(0);
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}
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//+---------------------------------------------------------------------------
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//
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// Method: CDbPropertyRestriction::IsCIDialect, private
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//
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// Synopsis: Set up for a DBOP_like node.
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//
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// Arguments: -none-
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//
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// Returns: BOOL - TRUE if value is the GUID for the CI regexp dialect
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//
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// History: 26 Jul 1995 AlanW Created
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//
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// Notes:
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//
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//----------------------------------------------------------------------------
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BOOL CDbPropertyRestriction::IsCIDialect( )
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{
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if ( DBVALUEKIND_LIKE == wKind )
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{
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CDbLike * pLike = (CDbLike *) value.pdblikeValue;
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if ( 0 != pLike )
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return DBGUID_LIKE_OFS == pLike->GetDialect();
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}
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return FALSE;
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}
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//+---------------------------------------------------------------------------
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//
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// Method: CDbPropertyRestriction::_FindOrAddValueNode
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//
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// Synopsis:
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//
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// Returns:
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//
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// History: 6-11-95 srikants Created
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//
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// Notes:
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//
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//----------------------------------------------------------------------------
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CDbScalarValue * CDbPropertyRestriction::_FindOrAddValueNode()
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{
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CDbScalarValue * pValue = _FindValueNode();
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if ( 0 == pValue )
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{
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pValue = new CDbScalarValue();
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if ( 0 != pValue )
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AppendChild( pValue );
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}
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return pValue;
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}
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//+---------------------------------------------------------------------------
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//
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// Method: CDbContentRestriction::CDbContentRestriction
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//
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// Synopsis:
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//
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// Arguments: [pwcsPhrase] -
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// [Property] - property identifier to be set on node
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// [ulGenerateMethod] -
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// [lcid] -
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//
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// Returns:
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//
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// History: 6-11-95 srikants Created
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//
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// Notes:
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//
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//----------------------------------------------------------------------------
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CDbContentRestriction::CDbContentRestriction(
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const WCHAR * pwcsPhrase,
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CDbColumnNode const & Property,
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ULONG ulGenerateMethod,
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LCID lcid ) :
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CDbContentBaseRestriction( DBOP_content,
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ulGenerateMethod, MAX_QUERY_RANK, lcid, pwcsPhrase )
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{
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if ( IsContentValid() )
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SetProperty( Property );
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}
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//+---------------------------------------------------------------------------
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//
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// Method: CDbContentRestriction::CDbContentRestriction
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//
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// Synopsis:
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//
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// Arguments: [pwcsPhrase] -
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// [Property] - property identifier to be set on node
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// [ulGenerateMethod] -
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// [lcid] -
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//
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// Returns:
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//
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// History: 3-20-96 dlee Created
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//
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// Notes:
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//
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//----------------------------------------------------------------------------
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CDbContentRestriction::CDbContentRestriction(
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const WCHAR * pwcsPhrase,
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DBID const & Property,
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ULONG ulGenerateMethod,
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LCID lcid ) :
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CDbContentBaseRestriction( DBOP_content,
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ulGenerateMethod, MAX_QUERY_RANK, lcid, pwcsPhrase )
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{
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if ( IsContentValid() )
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SetProperty( Property );
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}
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//+---------------------------------------------------------------------------
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//
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// Method: CDbNatLangRestriction::CdbNatLangRestriction
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//
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// Synopsis:
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//
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// Arguments: [pwcsPhrase] -
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// [Property] - property identifier to be set on node
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// [lcid] -
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//
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// Returns:
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//
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// History: 6-11-95 srikants Created
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//
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// Notes:
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//
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//----------------------------------------------------------------------------
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CDbNatLangRestriction::CDbNatLangRestriction(
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const WCHAR * pwcsPhrase,
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CDbColumnNode const & Property,
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LCID lcid )
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: CDbContentBaseRestriction( DBOP_content_freetext, GENERATE_METHOD_EXACT,
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MAX_QUERY_RANK, lcid, pwcsPhrase )
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{
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if ( IsContentValid() )
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SetProperty( Property );
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}
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CDbNatLangRestriction::CDbNatLangRestriction(
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const WCHAR * pwcsPhrase,
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DBID const & Property,
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LCID lcid )
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: CDbContentBaseRestriction( DBOP_content_freetext, GENERATE_METHOD_EXACT,
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MAX_QUERY_RANK, lcid, pwcsPhrase )
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{
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if ( IsContentValid() )
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SetProperty( Property );
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}
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