Source code of Windows XP (NT5)
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//+-------------------------------------------------------------------------
//
// Microsoft Windows
// Copyright (C) Microsoft Corporation, 1992 - 1994.
//
// File: dbqrslt.cxx
//
// Contents: Storage/picklers for results of a query
//
//--------------------------------------------------------------------------
#include <pch.cxx>
#pragma hdrstop
#include <sstream.hxx>
#include <sizeser.hxx>
#include <dbqrslt.hxx>
//+---------------------------------------------------------------------------
//
// Member: CDbQueryResults::CDbQueryResults
//
// Synopsis: simple constructor
//
//----------------------------------------------------------------------------
CDbQueryResults::CDbQueryResults() : _size(0), _cHits(0), _aRank(0), _aPath(0), _pDbRst(0), _fNotOwnPRst( FALSE ) { }
//+---------------------------------------------------------------------------
//
// Member: CDbQueryResults::~CDbQueryResults
//
// Synopsis: destructor
//
//----------------------------------------------------------------------------
CDbQueryResults::~CDbQueryResults() { if( !_fNotOwnPRst ) delete _pDbRst;
delete _aRank;
for( unsigned i = 0; i < _cHits; i++ ) delete _aPath[i]; delete _aPath; }
//+---------------------------------------------------------------------------
//
// Member: CDbQueryResults::CDbQueryResults
//
// Synopsis: Constructor that unmarshalls stream
//
// Arguments: [stream] -- stream to unmarshall from
//
//----------------------------------------------------------------------------
CDbQueryResults::CDbQueryResults ( PDeSerStream& stream ) : _fNotOwnPRst( FALSE ) { _cHits = stream.GetULong(); _size = _cHits; _aRank = new ULONG [_size]; _aPath = new WCHAR * [_size]; for (unsigned i = 0; i < _cHits; i++ ) { _aRank[i] = stream.GetULong(); _aPath[i] = stream.GetWString(); }
BYTE fRst = stream.GetByte();
if ( fRst ) _pDbRst = (CDbRestriction *) CDbCmdTreeNode::UnMarshallTree( stream ); else _pDbRst = 0; }
//+---------------------------------------------------------------------------
//
// Member: CDbQueryResults::Size
//
// Returns: return size of marshalled CDbQueryResults
//
// History: 26-Sep-94 SitaramR Created.
//
//----------------------------------------------------------------------------
ULONG CDbQueryResults::Size() { CSizeSerStream stream;
stream.PutULong( _cHits );
for ( unsigned i=0; i<_cHits; i++ ) { stream.PutULong( _aRank[i] ); stream.PutWString( _aPath[i] ); }
if ( _pDbRst == 0 ) stream.PutByte( FALSE ); else { stream.PutByte( TRUE ); _pDbRst->Marshall( stream ); }
return ( stream.Size() ); }
//+---------------------------------------------------------------------------
//
// Member: CDbQueryResults::Serialize
//
// Synopsis: Marshalls CDbQueryResults
//
// Arguments: [stream] -- marshalled into stream
//
// History: 26-Sep-94 SitaramR Created by modifying exisiting code
//
//----------------------------------------------------------------------------
void CDbQueryResults::Serialize( PSerStream & stream ) const { stream.PutULong( _cHits );
for (unsigned i = 0; i < _cHits; i++) { stream.PutULong( _aRank[i] ); stream.PutWString( _aPath[i] ); }
if ( _pDbRst == 0 ) stream.PutByte( FALSE ); else {
stream.PutByte( TRUE ); _pDbRst->Marshall( stream ); } }
//+---------------------------------------------------------------------------
//
// Member: CDbQueryResults::Add
//
// Synopsis: Adds file path and rank
//
// Arguments: [wszPath] -- file path to be added
// [uRank] -- rank to be added
//
// History: 26-Sep-94 SitaramR Created by modifying existing code.
//
//----------------------------------------------------------------------------
void CDbQueryResults::Add ( WCHAR *wszPath, ULONG uRank ) { if (_cHits == _size) { _size = (_size == 0)? 4: (2 * _size); WCHAR** aPathNew = new WCHAR *[_size];
XArray<WCHAR *> xPath; xPath.Set( _size, aPathNew );
ULONG* aRankNew = new ULONG [_size]; for (unsigned i = 0; i < _cHits; i++) { aPathNew[i] = _aPath[i]; aRankNew[i] = _aRank[i]; } delete []_aPath; delete []_aRank;
_aPath = xPath.Acquire(); _aRank = aRankNew; } ULONG len = wcslen( wszPath ); _aPath[_cHits] = new WCHAR[ len+1 ]; memcpy( _aPath[_cHits], wszPath, (len+1) * sizeof (WCHAR) ); _aRank [_cHits] = uRank; _cHits++; }
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