199 lines
4.6 KiB
C++
199 lines
4.6 KiB
C++
//+-------------------------------------------------------------------------
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//
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// Microsoft Windows
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// Copyright (C) Microsoft Corporation, 1992 - 1994.
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//
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// File: dbqrslt.cxx
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//
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// Contents: Storage/picklers for results of a query
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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 <sstream.hxx>
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#include <sizeser.hxx>
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#include <dbqrslt.hxx>
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//+---------------------------------------------------------------------------
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//
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// Member: CDbQueryResults::CDbQueryResults
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//
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// Synopsis: simple constructor
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//
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//----------------------------------------------------------------------------
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CDbQueryResults::CDbQueryResults()
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: _size(0), _cHits(0), _aRank(0), _aPath(0), _pDbRst(0),
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_fNotOwnPRst( FALSE )
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{
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}
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//+---------------------------------------------------------------------------
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//
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// Member: CDbQueryResults::~CDbQueryResults
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//
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// Synopsis: destructor
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//
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//----------------------------------------------------------------------------
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CDbQueryResults::~CDbQueryResults()
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{
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if( !_fNotOwnPRst )
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delete _pDbRst;
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delete _aRank;
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for( unsigned i = 0; i < _cHits; i++ )
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delete _aPath[i];
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delete _aPath;
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}
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//+---------------------------------------------------------------------------
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//
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// Member: CDbQueryResults::CDbQueryResults
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//
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// Synopsis: Constructor that unmarshalls stream
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//
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// Arguments: [stream] -- stream to unmarshall from
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//
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//----------------------------------------------------------------------------
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CDbQueryResults::CDbQueryResults ( PDeSerStream& stream )
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: _fNotOwnPRst( FALSE )
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{
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_cHits = stream.GetULong();
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_size = _cHits;
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_aRank = new ULONG [_size];
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_aPath = new WCHAR * [_size];
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for (unsigned i = 0; i < _cHits; i++ )
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{
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_aRank[i] = stream.GetULong();
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_aPath[i] = stream.GetWString();
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}
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BYTE fRst = stream.GetByte();
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if ( fRst )
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_pDbRst = (CDbRestriction *) CDbCmdTreeNode::UnMarshallTree( stream );
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else
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_pDbRst = 0;
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}
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//+---------------------------------------------------------------------------
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//
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// Member: CDbQueryResults::Size
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//
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// Returns: return size of marshalled CDbQueryResults
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//
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// History: 26-Sep-94 SitaramR Created.
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//
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//----------------------------------------------------------------------------
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ULONG CDbQueryResults::Size()
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{
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CSizeSerStream stream;
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stream.PutULong( _cHits );
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for ( unsigned i=0; i<_cHits; i++ )
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{
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stream.PutULong( _aRank[i] );
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stream.PutWString( _aPath[i] );
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}
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if ( _pDbRst == 0 )
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stream.PutByte( FALSE );
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else
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{
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stream.PutByte( TRUE );
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_pDbRst->Marshall( stream );
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}
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return ( stream.Size() );
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}
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//+---------------------------------------------------------------------------
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//
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// Member: CDbQueryResults::Serialize
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//
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// Synopsis: Marshalls CDbQueryResults
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//
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// Arguments: [stream] -- marshalled into stream
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//
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// History: 26-Sep-94 SitaramR Created by modifying exisiting code
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//
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//----------------------------------------------------------------------------
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void CDbQueryResults::Serialize( PSerStream & stream ) const
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{
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stream.PutULong( _cHits );
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for (unsigned i = 0; i < _cHits; i++)
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{
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stream.PutULong( _aRank[i] );
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stream.PutWString( _aPath[i] );
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}
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if ( _pDbRst == 0 )
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stream.PutByte( FALSE );
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else
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{
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stream.PutByte( TRUE );
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_pDbRst->Marshall( stream );
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}
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}
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//+---------------------------------------------------------------------------
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//
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// Member: CDbQueryResults::Add
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//
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// Synopsis: Adds file path and rank
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//
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// Arguments: [wszPath] -- file path to be added
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// [uRank] -- rank to be added
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//
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// History: 26-Sep-94 SitaramR Created by modifying existing code.
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//
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//----------------------------------------------------------------------------
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void CDbQueryResults::Add ( WCHAR *wszPath, ULONG uRank )
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{
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if (_cHits == _size)
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{
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_size = (_size == 0)? 4: (2 * _size);
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WCHAR** aPathNew = new WCHAR *[_size];
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XArray<WCHAR *> xPath;
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xPath.Set( _size, aPathNew );
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ULONG* aRankNew = new ULONG [_size];
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for (unsigned i = 0; i < _cHits; i++)
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{
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aPathNew[i] = _aPath[i];
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aRankNew[i] = _aRank[i];
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}
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delete []_aPath;
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delete []_aRank;
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_aPath = xPath.Acquire();
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_aRank = aRankNew;
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}
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ULONG len = wcslen( wszPath );
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_aPath[_cHits] = new WCHAR[ len+1 ];
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memcpy( _aPath[_cHits], wszPath, (len+1) * sizeof (WCHAR) );
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_aRank [_cHits] = uRank;
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_cHits++;
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}
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