Source code of Windows XP (NT5)
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
 
 
 
 
 
 

198 lines
4.6 KiB

//+-------------------------------------------------------------------------
//
// 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++;
}