Leaked source code of windows server 2003
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3.9 KiB

/*++
Copyright (C) 1996-2000 Microsoft Corporation
Module Name:
logsrc.cpp
Abstract:
<abstract>
--*/
#include "polyline.h"
#include <strsafe.h>
#include "unihelpr.h"
#include "logsrc.h"
#include "utils.h"
// Construction/Destruction
CLogFileItem::CLogFileItem (
CSysmonControl *pCtrl )
: m_cRef ( 0 ),
m_pCtrl ( pCtrl ),
m_pImpIDispatch ( NULL ),
m_pNextItem ( NULL ),
m_szPath ( NULL )
/*++
Routine Description:
Constructor for the CLogFileItem class. It initializes the member variables.
Arguments:
None.
Return Value:
None.
--*/
{
return;
}
CLogFileItem::~CLogFileItem (
VOID
)
/*++
Routine Description:
Destructor for the CLogFileItem class. It frees any objects, storage, and
interfaces that were created. If the item is part of a query it is removed
from the query.
Arguments:
None.
Return Value:
None.
--*/
{
if ( NULL != m_szPath )
delete [] m_szPath;
if ( NULL != m_pImpIDispatch )
delete m_pImpIDispatch;
}
HRESULT
CLogFileItem::Initialize (
LPCWSTR pszPath,
CLogFileItem** pListHead
)
{
HRESULT hr = E_POINTER;
WCHAR* pszNewPath = NULL;
ULONG ulPathLen;
if ( NULL != pszPath ) {
if ( L'\0' != *pszPath ) {
ulPathLen = lstrlen(pszPath) + 1;
pszNewPath = new WCHAR [ulPathLen];
if ( NULL != pszNewPath ) {
StringCchCopy(pszNewPath, ulPathLen, pszPath);
m_szPath = pszNewPath;
hr = S_OK;
} else {
hr = E_OUTOFMEMORY;
}
} else {
hr = E_INVALIDARG;
}
}
if ( SUCCEEDED ( hr ) ) {
m_pNextItem = *pListHead;
*pListHead = this;
}
return hr;
}
/*
* CLogFileItem::QueryInterface
* CLogFileItem::AddRef
* CLogFileItem::Release
*/
STDMETHODIMP CLogFileItem::QueryInterface(
IN REFIID riid,
OUT LPVOID *ppv
)
{
HRESULT hr = S_OK;
if (ppv == NULL) {
return E_POINTER;
}
try {
*ppv = NULL;
if (riid == IID_ILogFileItem || riid == IID_IUnknown) {
*ppv = this;
} else if (riid == DIID_DILogFileItem) {
if (m_pImpIDispatch == NULL) {
m_pImpIDispatch = new CImpIDispatch(this, this);
if ( NULL != m_pImpIDispatch ) {
m_pImpIDispatch->SetInterface(DIID_DILogFileItem, this);
*ppv = m_pImpIDispatch;
} else {
hr = E_OUTOFMEMORY;
}
} else {
*ppv = m_pImpIDispatch;
}
} else {
hr = E_NOINTERFACE;
}
if ( SUCCEEDED ( hr ) ) {
((LPUNKNOWN)*ppv)->AddRef();
}
} catch (...) {
hr = E_POINTER;
}
return hr;
}
STDMETHODIMP_(ULONG) CLogFileItem::AddRef(void)
{
return ++m_cRef;
}
STDMETHODIMP_(ULONG) CLogFileItem::Release(void)
{
if ( 0 == --m_cRef ) {
delete this;
return 0;
}
return m_cRef;
}
STDMETHODIMP CLogFileItem::get_Path (
OUT BSTR* pstrPath
)
{
HRESULT hr = S_OK;
if (pstrPath == NULL) {
return E_POINTER;
}
try {
*pstrPath = NULL;
*pstrPath = SysAllocString ( m_szPath );
if ( NULL == *pstrPath ) {
hr = E_OUTOFMEMORY;
}
} catch (...) {
hr = E_POINTER;
}
return hr;
}
CLogFileItem*
CLogFileItem::Next (
void )
{
return m_pNextItem;
}
void
CLogFileItem::SetNext (
CLogFileItem* pNext )
{
m_pNextItem = pNext;
}
LPCWSTR
CLogFileItem::GetPath (
void )
{
return m_szPath;
}