Source code of Windows XP (NT5)
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//////////////////////////////////////////////////////////////////////////////
//
// Copyright (c) 2000 Microsoft Corporation
//
// Module Name:
// EnumCookies.cpp
//
// Description:
// CEnumCookies implementation.
//
// Maintained By:
// Geoffrey Pease (GPease) 08-MAY-2000
//
//////////////////////////////////////////////////////////////////////////////
#include "pch.h"
#include "EnumCookies.h"
#include "ObjectManager.h"
DEFINE_THISCLASS("CEnumCookies")
// ************************************************************************
//
// Constructor / Destructor
//
// ************************************************************************
//////////////////////////////////////////////////////////////////////////////
//
// HRESULT
// CEnumCookies::S_HrCreateInstance(
// IUnknown ** ppunkOut
// )
//
//////////////////////////////////////////////////////////////////////////////
HRESULT CEnumCookies::S_HrCreateInstance( IUnknown ** ppunkOut ) { TraceFunc( "" );
Assert( ppunkOut != NULL );
HRESULT hr;
CEnumCookies * pemn = new CEnumCookies; if ( pemn != NULL ) { hr = THR( pemn->Init( ) ); if ( SUCCEEDED( hr ) ) { hr = THR( pemn->TypeSafeQI( IUnknown, ppunkOut ) ); }
pemn->Release( ); } else { hr = E_OUTOFMEMORY; }
HRETURN( hr );
} // S_HrCreateInstance( )
//////////////////////////////////////////////////////////////////////////////
//
// CEnumCookies::CEnumCookies( void )
//
//////////////////////////////////////////////////////////////////////////////
CEnumCookies::CEnumCookies( void ) { TraceFunc( "" );
InterlockedIncrement( &g_cObjects );
TraceFuncExit();
} // CEnumCookies( )
//////////////////////////////////////////////////////////////////////////////
//
// STDMETHODIMP
// CEnumCookies::Init( void )
//
//////////////////////////////////////////////////////////////////////////////
STDMETHODIMP CEnumCookies::Init( void ) { TraceFunc( "" );
HRESULT hr = S_OK;
// IUnknown stuff
Assert( m_cRef == 0 ); AddRef( ); // Add one count
// IEnumCookies
Assert( m_cIter == 0 ); Assert( m_pList == NULL ); Assert( m_cCookies == 0 );
HRETURN( hr );
} // Init( )
//////////////////////////////////////////////////////////////////////////////
//
// CEnumCookies::~CEnumCookies( )
//
//////////////////////////////////////////////////////////////////////////////
CEnumCookies::~CEnumCookies( ) { TraceFunc( "" );
if ( m_pList != NULL ) { TraceFree( m_pList );
} // if: m_pList
InterlockedDecrement( &g_cObjects );
TraceFuncExit();
} // ~CEnumCookies( )
// ************************************************************************
//
// IUnknown
//
// ************************************************************************
//////////////////////////////////////////////////////////////////////////////
//
// STDMETHODIMP
// CEnumCookies::QueryInterface(
// REFIID riid,
// LPVOID *ppv
// )
//
//////////////////////////////////////////////////////////////////////////////
STDMETHODIMP CEnumCookies::QueryInterface( REFIID riid, LPVOID *ppv ) { TraceQIFunc( riid, ppv );
HRESULT hr = E_NOINTERFACE;
if ( IsEqualIID( riid, IID_IUnknown ) ) { *ppv = static_cast< IEnumCookies * >( this ); hr = S_OK; } // if: IUnknown
else if ( IsEqualIID( riid, IID_IEnumCookies ) ) { *ppv = TraceInterface( __THISCLASS__, IEnumCookies, this, 0 ); hr = S_OK; } // else if: IEnumCookies
if ( SUCCEEDED( hr ) ) { ((IUnknown*) *ppv)->AddRef( ); } // if: success
QIRETURN_IGNORESTDMARSHALLING( hr, riid );
} // QueryInterface( )
//////////////////////////////////////////////////////////////////////////////
//
// STDMETHODIMP_(ULONG)
// CEnumCookies::AddRef( void )
//
//////////////////////////////////////////////////////////////////////////////
STDMETHODIMP_(ULONG) CEnumCookies::AddRef( void ) { TraceFunc( "[IUnknown]" );
InterlockedIncrement( &m_cRef );
RETURN( m_cRef );
} // AddRef( )
//////////////////////////////////////////////////////////////////////////////
//
// STDMETHODIMP_(ULONG)
// CEnumCookies::Release( void )
//
//////////////////////////////////////////////////////////////////////////////
STDMETHODIMP_(ULONG) CEnumCookies::Release( void ) { TraceFunc( "[IUnknown]" );
InterlockedDecrement( &m_cRef );
if ( m_cRef ) RETURN( m_cRef );
TraceDo( delete this );
RETURN(0);
} // Release( )
//****************************************************************************
//
// IEnumCookies
//
//****************************************************************************
//////////////////////////////////////////////////////////////////////////////
//
// STDMETHODIMP
// CEnumCookies::Next(
// ULONG celt,
// IClusCfgNetworkInfo * rgNetworksOut[],
// ULONG * pceltFetchedOut
// )
//
//////////////////////////////////////////////////////////////////////////////
STDMETHODIMP CEnumCookies::Next( ULONG celt, OBJECTCOOKIE rgcookieOut[], ULONG * pceltFetchedOut ) { TraceFunc( "[IEnumCookies]" );
HRESULT hr = S_OK; ULONG cIter;
//
// Check parameters
//
if ( rgcookieOut == NULL ) goto InvalidPointer;
//
// Loop and coping/addreffing the pccni.
//
for( cIter = 0 ; m_cIter < m_cAlloced && cIter < celt ; cIter ++ ) { rgcookieOut[ cIter ] = m_pList[ m_cIter ];
// Increment the class iter.
m_cIter++;
} // for: m_cIter && cIter
Assert( hr == S_OK );
if ( cIter != celt ) { hr = S_FALSE; }
if ( pceltFetchedOut != NULL ) { *pceltFetchedOut = cIter; }
Cleanup: HRETURN( hr );
InvalidPointer: hr = THR( E_POINTER ); goto Cleanup;
} // Next( )
//////////////////////////////////////////////////////////////////////////////
//
// STDMETHODIMP
// CEnumCookies::Skip(
// ULONG celt
// )
//
//////////////////////////////////////////////////////////////////////////////
STDMETHODIMP CEnumCookies::Skip( ULONG celt ) { TraceFunc( "[IEnumCookies]" );
HRESULT hr = S_OK;
m_cIter += celt;
if ( m_cIter >= m_cAlloced ) { m_cIter = m_cAlloced; hr = S_FALSE; }
HRETURN( hr );
} // Skip( )
//////////////////////////////////////////////////////////////////////////////
//
// STDMETHODIMP
// CEnumCookies::Reset( void )
//
//////////////////////////////////////////////////////////////////////////////
STDMETHODIMP CEnumCookies::Reset( void ) { TraceFunc( "[IEnumCookies]" );
HRESULT hr = S_OK;
m_cIter = 0;
HRETURN( hr );
} // Reset( )
//////////////////////////////////////////////////////////////////////////////
//
// STDMETHODIMP
// CEnumCookies::Clone(
// IEnumCookies ** ppenumOut
// )
//
//////////////////////////////////////////////////////////////////////////////
STDMETHODIMP CEnumCookies::Clone( IEnumCookies ** ppenumOut ) { TraceFunc( "[IEnumCookies]" );
//
// KB: not going to implement this method.
//
HRESULT hr = THR( E_NOTIMPL );
HRETURN( hr );
} // Clone( )
//////////////////////////////////////////////////////////////////////////////
//
// STDMETHODIMP
// CEnumCookies::Count(
// DWORD * pnCountOut
// )
//
//////////////////////////////////////////////////////////////////////////////
STDMETHODIMP CEnumCookies::Count( DWORD * pnCountOut ) { TraceFunc( "[IEnumCookies]" );
HRESULT hr = S_OK;
if ( pnCountOut == NULL ) { hr = THR( E_POINTER ); goto Cleanup; }
*pnCountOut = m_cCookies;
Cleanup: HRETURN( hr ); }// Count( )
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