WindowsXP-SP1/admin/snapin/dsadmin/dataobj.cpp
2020-09-30 16:53:49 +02:00

823 lines
24 KiB
C++

//+----------------------------------------------------------------------------
//
// DS Administration MMC snapin.
//
// Microsoft Windows
// Copyright (C) Microsoft Corporation, 1992 - 1999
//
// File: DataObj.cpp
//
// Contents: Data Object implementation.
//
// Classes: CDSDataObject
//
// History: 02-Oct-96 WayneSc Created
// 06-Feb-97 EricB - added Property Page Data support
//-----------------------------------------------------------------------------
#include "stdafx.h"
#include "resource.h"
#include "DSdirect.h"
#include "DataObj.h"
#include "dssnap.h"
#include <lm.h>
#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif
//+----------------------------------------------------------------------------
// MMC's clipboard formats:
//-----------------------------------------------------------------------------
// Snap-in NodeType in both GUID format and string format
CLIPFORMAT CDSDataObject::m_cfNodeType =
(CLIPFORMAT)RegisterClipboardFormat(CCF_NODETYPE);
CLIPFORMAT CDSDataObject::m_cfNodeTypeString =
(CLIPFORMAT)RegisterClipboardFormat(CCF_SZNODETYPE);
CLIPFORMAT CDSDataObject::m_cfDisplayName =
(CLIPFORMAT)RegisterClipboardFormat(CCF_DISPLAY_NAME);
CLIPFORMAT CDSDataObject::m_cfCoClass =
(CLIPFORMAT)RegisterClipboardFormat(CCF_SNAPIN_CLASSID);
CLIPFORMAT CDSDataObject::m_cfpMultiSelDataObj =
(CLIPFORMAT)RegisterClipboardFormat(CCF_MMC_MULTISELECT_DATAOBJECT);
CLIPFORMAT CDSDataObject::m_cfMultiObjTypes =
(CLIPFORMAT)RegisterClipboardFormat(CCF_OBJECT_TYPES_IN_MULTI_SELECT);
CLIPFORMAT CDSDataObject::m_cfMultiSelDataObjs =
(CLIPFORMAT)RegisterClipboardFormat(CCF_MULTI_SELECT_SNAPINS);
CLIPFORMAT CDSDataObject::m_cfPreload =
(CLIPFORMAT)RegisterClipboardFormat(CCF_SNAPIN_PRELOADS);
//+----------------------------------------------------------------------------
// Our clipboard formats:
//-----------------------------------------------------------------------------
CLIPFORMAT CDSDataObject::m_cfInternal =
(CLIPFORMAT)RegisterClipboardFormat(SNAPIN_INTERNAL);
CLIPFORMAT CDSDataObject::m_cfDsObjectNames =
(CLIPFORMAT)RegisterClipboardFormat(CFSTR_DSOBJECTNAMES);
CLIPFORMAT CDSDataObject::m_cfDsDisplaySpecOptions =
(CLIPFORMAT)RegisterClipboardFormat(CFSTR_DS_DISPLAY_SPEC_OPTIONS);
CLIPFORMAT CDSDataObject::m_cfDsSchemaPath =
(CLIPFORMAT)RegisterClipboardFormat(CFSTR_DS_SCHEMA_PATH);
CLIPFORMAT CDSDataObject::m_cfPropSheetCfg =
(CLIPFORMAT)RegisterClipboardFormat(CFSTR_DS_PROPSHEETCONFIG);
CLIPFORMAT CDSDataObject::m_cfParentHwnd =
(CLIPFORMAT)RegisterClipboardFormat(CFSTR_DS_PARENTHWND);
CLIPFORMAT CDSDataObject::m_cfComponentData =
(CLIPFORMAT)RegisterClipboardFormat(CFSTR_DS_COMPDATA);
CLIPFORMAT CDSDataObject::m_cfColumnID =
(CLIPFORMAT)RegisterClipboardFormat(CCF_COLUMN_SET_ID);
CLIPFORMAT CDSDataObject::m_cfMultiSelectProppage =
(CLIPFORMAT)RegisterClipboardFormat(CFSTR_DS_MULTISELECTPROPPAGE);
//+----------------------------------------------------------------------------
// CDSDataObject implementation
//-----------------------------------------------------------------------------
//+----------------------------------------------------------------------------
//
// Method: CDSDataObject::IDataObject::GetData
//
// Synopsis: Returns data, in this case the Prop Page format data.
//
//-----------------------------------------------------------------------------
STDMETHODIMP
CDSDataObject::GetData(FORMATETC * pFormatEtc, STGMEDIUM * pMedium)
{
//TRACE(_T("xx.%03x> CDSDataObject(0x%x)::GetData\n"),
// GetCurrentThreadId(), this);
HRESULT hr = S_OK;
if (IsBadWritePtr(pMedium, sizeof(STGMEDIUM)))
{
return E_INVALIDARG;
}
if (!(pFormatEtc->tymed & TYMED_HGLOBAL))
{
return DV_E_TYMED;
}
if (pFormatEtc->cfFormat == m_cfDsObjectNames)
{
// make a deep copy of the cached data
pMedium->hGlobal = GlobalAlloc(GMEM_FIXED | GMEM_ZEROINIT,
m_nDSObjCachedBytes);
if (pMedium->hGlobal == NULL)
{
return E_OUTOFMEMORY;
}
memcpy(pMedium->hGlobal, m_pDSObjCached, m_nDSObjCachedBytes);
}
else if (pFormatEtc->cfFormat == m_cfDsDisplaySpecOptions)
{
//
// Get the DSDISPLAYSPECOPTIONS structure.
// Use the value cached in the component data.
//
if (m_pDsComponentData != NULL)
{
PDSDISPLAYSPECOPTIONS pDsDisplaySpecOptions = m_pDsComponentData->GetDsDisplaySpecOptions();
pMedium->hGlobal = (HGLOBAL)pDsDisplaySpecOptions;
if (pDsDisplaySpecOptions == NULL)
return E_OUTOFMEMORY;
}
else
{
return E_FAIL;
}
}
else if (pFormatEtc->cfFormat == m_cfDsSchemaPath)
{
ASSERT(m_pDsComponentData);
LPCWSTR lpszSchemaNamingCtx = m_pDsComponentData->GetBasePathsInfo()->GetSchemaNamingContext();
size_t nSchemaNamingCtxLen = wcslen(lpszSchemaNamingCtx);
if (nSchemaNamingCtxLen == 0)
{
return E_FAIL;
}
PWSTR pwzSchemaPath = (PWSTR)GlobalAlloc(GMEM_FIXED | GMEM_ZEROINIT,
(nSchemaNamingCtxLen +1) * sizeof(WCHAR));
if (pwzSchemaPath == NULL)
{
return STG_E_MEDIUMFULL;
}
wcscpy(pwzSchemaPath, lpszSchemaNamingCtx);
pMedium->hGlobal = pwzSchemaPath;
}
else if (pFormatEtc->cfFormat == m_cfPropSheetCfg)
{
// Return the property sheet notification handle.
//
PPROPSHEETCFG pSheetCfg;
pSheetCfg = (PPROPSHEETCFG)GlobalAlloc(GMEM_FIXED | GMEM_ZEROINIT,
sizeof(PROPSHEETCFG));
if (pSheetCfg == NULL)
{
return STG_E_MEDIUMFULL;
}
pSheetCfg->lNotifyHandle = m_lNotifyHandle;
pSheetCfg->hwndParentSheet = m_hwndParentSheet;
pSheetCfg->hwndHidden = m_pDsComponentData->GetHiddenWindow();
pSheetCfg->wParamSheetClose = reinterpret_cast<WPARAM>(m_internal.m_cookie);
pMedium->hGlobal = (HGLOBAL)pSheetCfg;
}
else if (pFormatEtc->cfFormat == m_cfParentHwnd)
{
// return the HWND of the MMC frame window
HWND* pHWndMain = (HWND*)GlobalAlloc(GMEM_FIXED | GMEM_ZEROINIT,
sizeof(HWND));
m_pDsComponentData->m_pFrame->GetMainWindow(pHWndMain);
pMedium->hGlobal = (HGLOBAL)pHWndMain;
}
else if (pFormatEtc->cfFormat == m_cfComponentData)
{
// return the m_pDsComponentData the data object is bound to
CDSComponentData** ppCD = (CDSComponentData**)GlobalAlloc(GMEM_FIXED | GMEM_ZEROINIT,
sizeof(CDSComponentData*));
if (ppCD != NULL)
{
*ppCD = m_pDsComponentData;
pMedium->hGlobal = (HGLOBAL)ppCD;
}
else
{
return STG_E_MEDIUMFULL;
}
}
else if (pFormatEtc->cfFormat == m_cfMultiSelectProppage)
{
if (m_szUniqueID == _T(""))
{
return E_FAIL;
}
UINT nLength = m_szUniqueID.GetLength();
PWSTR pszGuidString = (PWSTR)GlobalAlloc(GMEM_FIXED | GMEM_ZEROINIT,
(nLength +1) * sizeof(WCHAR));
if (pszGuidString == NULL)
{
return STG_E_MEDIUMFULL;
}
wcscpy(pszGuidString, m_szUniqueID);
pMedium->hGlobal = pszGuidString;
}
else if (pFormatEtc->cfFormat == m_cfMultiObjTypes)
{
hr = CreateMultiSelectObject(pMedium);
}
else if (pFormatEtc->cfFormat == m_cfInternal)
{
hr = CreateInternal(pMedium);
}
else if (pFormatEtc->cfFormat == m_cfColumnID)
{
hr = CreateColumnID(pMedium);
}
else
{
return DV_E_FORMATETC;
}
pMedium->tymed = TYMED_HGLOBAL;
pMedium->pUnkForRelease = NULL;
return hr;
}
//+----------------------------------------------------------------------------
//
// Method: CDSDataObject::IDataObject::GetDataHere
//
// Synopsis: Returns data in callers storage medium
//
//-----------------------------------------------------------------------------
STDMETHODIMP
CDSDataObject::GetDataHere(LPFORMATETC lpFormatetc, LPSTGMEDIUM lpMedium)
{
HRESULT hr = DV_E_CLIPFORMAT;
AFX_MANAGE_STATE(AfxGetStaticModuleState());
// Based on the CLIPFORMAT write data to the stream
const CLIPFORMAT cf = lpFormatetc->cfFormat;
if(cf == m_cfNodeType)
{
hr = CreateNodeTypeData(lpMedium);
}
else if(cf == m_cfNodeTypeString)
{
hr = CreateNodeTypeStringData(lpMedium);
}
else if (cf == m_cfDisplayName)
{
hr = CreateDisplayName(lpMedium);
}
else if (cf == m_cfCoClass)
{
hr = CreateCoClassID(lpMedium);
}
else if (cf == m_cfPreload)
{
// MMC notify the snapin before loading with the MMCN_PRELOAD notify message
BOOL bPreload = TRUE;
hr = Create(&bPreload, sizeof(BOOL), lpMedium);
}
return hr;
}
//+----------------------------------------------------------------------------
//
// Method: CDSDataObject::IDataObject::SetData
//
// Synopsis: Allows the caller to set data object values.
//
//-----------------------------------------------------------------------------
STDMETHODIMP CDSDataObject::SetData(FORMATETC * pFormatEtc, STGMEDIUM * pMedium,
BOOL fRelease)
{
HRESULT hr = S_OK;
if (pFormatEtc->cfFormat == m_cfPropSheetCfg)
{
if (!(pFormatEtc->tymed & TYMED_HGLOBAL))
{
return DV_E_TYMED;
}
PPROPSHEETCFG pSheetCfg = (PPROPSHEETCFG)pMedium->hGlobal;
if ( NULL != pSheetCfg->lNotifyHandle)
{
m_lNotifyHandle = pSheetCfg->lNotifyHandle;
}
if (NULL != pSheetCfg->hwndParentSheet)
{
m_hwndParentSheet = pSheetCfg->hwndParentSheet;
}
if (fRelease)
{
GlobalFree(pMedium->hGlobal);
}
return S_OK;
}
else if (pFormatEtc->cfFormat == m_cfMultiSelectProppage)
{
if (!(pFormatEtc->tymed & TYMED_HGLOBAL))
{
return DV_E_TYMED;
}
PWSTR pszGuidString = (PWSTR)pMedium->hGlobal;
if (pszGuidString == NULL)
{
ASSERT(FALSE);
return E_FAIL;
}
m_szUniqueID = pszGuidString;
}
else
{
return DV_E_FORMATETC;
}
return hr;
}
//+----------------------------------------------------------------------------
//
// Method: CDSDataObject::IDataObject::EnumFormatEtc
//
// Synopsis:
//
//-----------------------------------------------------------------------------
STDMETHODIMP CDSDataObject::EnumFormatEtc(DWORD, LPENUMFORMATETC*)
{
return E_NOTIMPL;
}
//+----------------------------------------------------------------------------
//
// Method: CDSDataObject::Create
//
// Synopsis:
//
//-----------------------------------------------------------------------------
HRESULT
CDSDataObject::Create(const void * pBuffer, int len, LPSTGMEDIUM pMedium)
{
HRESULT hr = DV_E_TYMED;
// Do some simple validation
if (pBuffer == NULL || pMedium == NULL)
return E_POINTER;
// Make sure the type medium is HGLOBAL
if (pMedium->tymed == TYMED_HGLOBAL)
{
// Create the stream on the hGlobal passed in
LPSTREAM lpStream;
hr = CreateStreamOnHGlobal(pMedium->hGlobal, FALSE, &lpStream);
if (SUCCEEDED(hr))
{
// Write to the stream the number of bytes
unsigned long written;
hr = lpStream->Write(pBuffer, len, &written);
// Because we told CreateStreamOnHGlobal with 'FALSE',
// only the stream is released here.
// Note - the caller (i.e. snap-in, object) will free the HGLOBAL
// at the correct time. This is according to the IDataObject specification.
lpStream->Release();
}
}
return hr;
}
//+----------------------------------------------------------------------------
//
// Method: CDSDataObject::CreateNodeTypeData
//
// Synopsis: Create the node type object in GUID format
//
//-----------------------------------------------------------------------------
HRESULT
CDSDataObject::CreateNodeTypeData(LPSTGMEDIUM lpMedium)
{
TRACE(_T("xx.%03x> GetDataHere on Node Type\n"), GetCurrentThreadId());
GUID* pGuid = m_internal.m_cookie->GetGUID();
return Create(pGuid, sizeof(GUID), lpMedium);
}
//+----------------------------------------------------------------------------
//
// Method: CDSDataObject::CreateNodeTypeStringData
//
// Synopsis: Create the node type object in GUID string format
//
//-----------------------------------------------------------------------------
HRESULT
CDSDataObject::CreateNodeTypeStringData(LPSTGMEDIUM lpMedium)
{
TRACE(_T("xx.%03x> GetDataHere on Node Type String\n"), GetCurrentThreadId());
GUID* pGuid = m_internal.m_cookie->GetGUID();
CString strGUID;
WCHAR * szGUID;
StringFromCLSID(*pGuid, &szGUID);
strGUID = szGUID;
return Create (strGUID, strGUID.GetLength()+ sizeof(wchar_t),
lpMedium);
}
//+----------------------------------------------------------------------------
//
// Method: CDSDataObject::CreateDisplayName
//
// Synopsis: This is the display named used in the scope pane and snap-in
// manager.
//
//-----------------------------------------------------------------------------
HRESULT
CDSDataObject::CreateDisplayName(LPSTGMEDIUM lpMedium)
{
TRACE(_T("xx.%03x> GetDataHere on Display Name\n"), GetCurrentThreadId());
// Load the name from resource
// Note - if this is not provided, the console will used the snap-in name
CString szDispName;
szDispName.LoadString( ResourceIDForSnapinType[ m_internal.m_snapintype ]);
return Create(szDispName, ((szDispName.GetLength()+1) * sizeof(wchar_t)), lpMedium);
}
//+----------------------------------------------------------------------------
//
// Method: CDSDataObject::CreateMultiSelectObject
//
// Synopsis: this is to create the list of types selected
//
//-----------------------------------------------------------------------------
HRESULT
CDSDataObject::CreateMultiSelectObject(LPSTGMEDIUM lpMedium)
{
TRACE(_T("xx.%03x> GetDataHere on MultiSelectObject\n"), GetCurrentThreadId());
CUINode** cookieArray = NULL;
cookieArray = (CUINode**) GlobalAlloc(GMEM_FIXED | GMEM_ZEROINIT,
m_internal.m_cookie_count*sizeof(CUINode*));
if (!cookieArray) {
return E_OUTOFMEMORY;
}
for (UINT k=0; k<m_internal.m_cookie_count; k++)
{
if (k==0)
cookieArray[k] = m_internal.m_cookie;
else
cookieArray[k] = m_internal.m_p_cookies[k-1];
}
BOOL* bDuplicateArr = NULL;
bDuplicateArr = (BOOL*)GlobalAlloc(GMEM_FIXED | GMEM_ZEROINIT,
m_internal.m_cookie_count*sizeof(BOOL));
if (!bDuplicateArr) {
if (cookieArray)
GlobalFree (cookieArray);
return E_OUTOFMEMORY;
}
//ZeroMemory(bDuplicateArr, m_internal.m_cookie_count*sizeof(BOOL));
UINT cCount = 0;
for (UINT index=0; index<m_internal.m_cookie_count; index++)
{
for (UINT j=0; j<index;j++)
{
GUID Guid1 = *(cookieArray[index]->GetGUID());
GUID Guid2 = *(cookieArray[j]->GetGUID());
if (IsEqualGUID (Guid1, Guid2))
{
bDuplicateArr[index] = TRUE;
break; //repeated GUID
}
}
if (!bDuplicateArr[index])
cCount++;
}
UINT size = sizeof(SMMCObjectTypes) + (cCount - 1) *
sizeof(GUID);
void * pTmp = ::GlobalAlloc(GPTR, size);
if (!pTmp) {
if (cookieArray) {
GlobalFree (cookieArray);
}
if (bDuplicateArr) {
GlobalFree (bDuplicateArr);
}
return E_OUTOFMEMORY;
}
SMMCObjectTypes* pdata = reinterpret_cast<SMMCObjectTypes*>(pTmp);
pdata->count = cCount;
UINT i = 0;
for (index=0; index<m_internal.m_cookie_count; index++)
{
if (!bDuplicateArr[index])
pdata->guid[i++] = *(cookieArray[index]->GetGUID());
}
ASSERT(i == cCount);
lpMedium->hGlobal = pTmp;
GlobalFree (cookieArray);
GlobalFree (bDuplicateArr);
return S_OK;
}
//+----------------------------------------------------------------------------
//
// Method: CDSDataObject::CreateInternal
//
// Synopsis:
//
//-----------------------------------------------------------------------------
HRESULT
CDSDataObject::CreateInternal(LPSTGMEDIUM lpMedium)
{
HRESULT hr = S_OK;
INTERNAL * pInt = NULL;
void * pBuf = NULL;
UINT size = sizeof(INTERNAL);
size += sizeof(CUINode *) * (m_internal.m_cookie_count - 1);
pBuf = GlobalAlloc (GPTR, size);
pInt = (INTERNAL *) pBuf;
lpMedium->hGlobal = pBuf;
if (pInt != NULL &&
m_internal.m_cookie_count > 1)
{
// copy the data
pInt->m_type = m_internal.m_type;
pInt->m_cookie = m_internal.m_cookie;
pInt->m_snapintype = m_internal.m_snapintype;
pInt->m_cookie_count = m_internal.m_cookie_count;
pInt->m_p_cookies = (CUINode **) ((BYTE *)pInt + sizeof(INTERNAL));
memcpy (pInt->m_p_cookies, m_internal.m_p_cookies,
sizeof(CUINode *) * (m_internal.m_cookie_count - 1));
hr = Create(pBuf, size, lpMedium);
}
else
{
hr = Create(&m_internal, sizeof(INTERNAL), lpMedium);
}
return hr;
}
//+----------------------------------------------------------------------------
//
// Method: CDSDataObject::CreateCoClassID
//
// Synopsis:
//
//-----------------------------------------------------------------------------
HRESULT
CDSDataObject::CreateCoClassID(LPSTGMEDIUM lpMedium)
{
TRACE(_T("xx.%03x> GetDataHere on CoClass\n"), GetCurrentThreadId());
CLSID CoClassID;
switch (m_internal.m_snapintype) {
case SNAPINTYPE_DS:
CoClassID = CLSID_DSSnapin;
break;
case SNAPINTYPE_SITE:
CoClassID = CLSID_SiteSnapin;
break;
default:
memset (&CoClassID,0,sizeof(CLSID));
}
return Create(&CoClassID, sizeof(CLSID), lpMedium);
}
//+----------------------------------------------------------------------------
//
// Method: CDSDataObject::CreateColumnID
//
// Synopsis:
//
//-----------------------------------------------------------------------------
HRESULT
CDSDataObject::CreateColumnID(LPSTGMEDIUM lpMedium)
{
// build the column id
CDSColumnSet* pColumnSet = (m_internal.m_cookie)->GetColumnSet(m_pDsComponentData);
if (pColumnSet == NULL)
return DV_E_TYMED;
LPCWSTR lpszID = pColumnSet->GetColumnID();
size_t iLen = wcslen(lpszID);
// allocate enough memory for the struct and the string for the column id
SColumnSetID* pColumnID = (SColumnSetID*)malloc(sizeof(SColumnSetID) + (iLen * sizeof(WCHAR)));
if (pColumnID != NULL)
{
memset(pColumnID, 0, sizeof(SColumnSetID) + (iLen * sizeof(WCHAR)));
pColumnID->cBytes = static_cast<ULONG>(iLen * sizeof(WCHAR));
memcpy(pColumnID->id, lpszID, (iLen * sizeof(WCHAR)));
// copy the column id to global memory
size_t cb = sizeof(SColumnSetID) + (iLen * sizeof(WCHAR));
lpMedium->tymed = TYMED_HGLOBAL;
lpMedium->hGlobal = ::GlobalAlloc(GMEM_SHARE|GMEM_MOVEABLE, cb);
if (lpMedium->hGlobal == NULL)
return STG_E_MEDIUMFULL;
BYTE* pb = reinterpret_cast<BYTE*>(::GlobalLock(lpMedium->hGlobal));
memcpy(pb, pColumnID, cb);
::GlobalUnlock(lpMedium->hGlobal);
free(pColumnID);
}
return S_OK;
}
HRESULT CDSDataObject::CreateDsObjectNamesCached()
{
if (m_pDSObjCached != NULL)
{
::free(m_pDSObjCached);
m_pDSObjCached = NULL;
m_nDSObjCachedBytes = 0;
}
// figure out how much storage we need
DWORD cbStorage = 0;
INT cbStruct = sizeof(DSOBJECTNAMES) +
((m_internal.m_cookie_count - 1) * sizeof(DSOBJECT));
CString strPath;
CString strClass;
CUINode* pNode;
CDSCookie * pCookie;
//
// this loop is to calc how much storage we need.
//
for (UINT index = 0; index < m_internal.m_cookie_count; index++)
{
if (index == 0)
{
pNode = m_internal.m_cookie;
}
else
{
pNode = m_internal.m_p_cookies[index - 1];
}
pCookie = NULL;
if (IS_CLASS(*pNode, CDSUINode))
{
pCookie = GetDSCookieFromUINode(pNode);
}
//
// All the nodes must be of type CDSUINode or else we fail
//
if (pCookie == NULL)
{
return E_FAIL;
}
m_pDsComponentData->GetBasePathsInfo()->ComposeADsIPath(strPath, pCookie->GetPath());
strClass = pCookie->GetClass();
if (_wcsicmp(strClass, L"Unknown") == 0)
{
strClass = L"";
}
cbStorage += (strPath.GetLength() + 1 + strClass.GetLength() + 1) * sizeof(TCHAR);
}
//
// Allocate the needed storage
//
m_pDSObjCached = (LPDSOBJECTNAMES)malloc(cbStruct + cbStorage);
if (m_pDSObjCached == NULL)
{
return STG_E_MEDIUMFULL;
}
m_nDSObjCachedBytes = cbStruct + cbStorage;
switch (m_internal.m_snapintype)
{
case SNAPINTYPE_DS:
m_pDSObjCached->clsidNamespace = CLSID_DSSnapin;
break;
case SNAPINTYPE_SITE:
m_pDSObjCached->clsidNamespace = CLSID_SiteSnapin;
break;
default:
memset (&m_pDSObjCached->clsidNamespace, 0, sizeof(CLSID));
}
m_pDSObjCached->cItems = m_internal.m_cookie_count;
DWORD NextOffset = cbStruct;
for (index = 0; index < m_internal.m_cookie_count; index++)
{
if (index == 0)
{
pNode = m_internal.m_cookie;
}
else
{
pNode = m_internal.m_p_cookies[index - 1];
}
pCookie = NULL;
if (IS_CLASS(*pNode, CDSUINode))
{
pCookie = GetDSCookieFromUINode(pNode);
}
//
// All nodes must be of type CDSUINode or else we fail
//
if (pCookie == NULL)
{
return E_FAIL;
}
//
// Set the data from the node and node data
//
m_pDSObjCached->aObjects[index].dwFlags = pNode->IsContainer() ? DSOBJECT_ISCONTAINER : 0;
m_pDSObjCached->aObjects[index].dwProviderFlags = (m_pDsComponentData->IsAdvancedView()) ?
DSPROVIDER_ADVANCED : 0;
m_pDsComponentData->GetBasePathsInfo()->ComposeADsIPath(strPath, pCookie->GetPath());
strClass = pCookie->GetClass();
if (_wcsicmp(strClass, L"Unknown") == 0)
{
strClass = L"";
}
m_pDSObjCached->aObjects[index].offsetName = NextOffset;
m_pDSObjCached->aObjects[index].offsetClass = NextOffset +
(strPath.GetLength() + 1) * sizeof(TCHAR);
_tcscpy((LPTSTR)((BYTE *)m_pDSObjCached + NextOffset), strPath);
NextOffset += (strPath.GetLength() + 1) * sizeof(TCHAR);
_tcscpy((LPTSTR)((BYTE *)m_pDSObjCached + NextOffset), strClass);
NextOffset += (strClass.GetLength() + 1) * sizeof(TCHAR);
}
return S_OK;
}
//+----------------------------------------------------------------------------
//
// Method: CDSDataObject::AddCookie
//
// Synopsis: adds a cookie to the data object. if this is
// the first cookie it goes in m_cookie, else it
// goes into the cookie list m_p_cookies.
//
//-----------------------------------------------------------------------------
void
CDSDataObject::AddCookie(CUINode* pUINode)
{
const UINT MEM_CHUNK_SIZE = 10;
void * pTMP = NULL;
if (m_internal.m_cookie) { // already have a cookie
if ((m_internal.m_cookie_count - 1) % MEM_CHUNK_SIZE == 0) {
if (m_internal.m_p_cookies) {
pTMP = realloc (m_internal.m_p_cookies,
(m_internal.m_cookie_count - 1 +
MEM_CHUNK_SIZE) * sizeof (CUINode *));
} else {
pTMP = malloc (MEM_CHUNK_SIZE * sizeof (CUINode *));
}
if (pTMP == NULL) {
TRACE(_T("CDataObject::AddCookie - malloc/realloc failed.."));
ASSERT (pTMP != NULL);
}
m_internal.m_p_cookies = (CUINode **)pTMP;
}
(*(m_internal.m_p_cookies + m_internal.m_cookie_count - 1)) = pUINode;
m_internal.m_cookie_count++;
} else {
m_internal.m_cookie = pUINode;
m_internal.m_cookie_count = 1;
}
CreateDsObjectNamesCached();
}