CFileSysEnum Class Reference

Inheritance diagram for CFileSysEnum:

Collaboration diagram for CFileSysEnum:

Public Member Functions
	CFileSysEnum ()
	~CFileSysEnum ()
HRESULT WINAPI	Initialize (LPWSTR sPathTarget, DWORD dwFlags)
Public Member Functions inherited from CEnumIDListBase
	CEnumIDListBase ()
virtual	~CEnumIDListBase ()
BOOL	AddToEnumList (LPITEMIDLIST pidl)
BOOL	DeleteList ()
BOOL	HasItemWithCLSID (LPITEMIDLIST pidl)
HRESULT	AppendItemsFromEnumerator (IEnumIDList *pEnum)
STDMETHOD()	Next (ULONG celt, LPITEMIDLIST *rgelt, ULONG *pceltFetched) override
STDMETHOD()	Skip (ULONG celt) override
STDMETHOD()	Reset () override
STDMETHOD()	Clone (IEnumIDList **ppenum) override
Public Member Functions inherited from ATL::CComObjectRootEx< CComMultiThreadModelNoCS >
	~CComObjectRootEx ()
ULONG	InternalAddRef ()
ULONG	InternalRelease ()
void	Lock ()
void	Unlock ()
HRESULT	_AtlInitialConstruct ()
Public Member Functions inherited from ATL::CComObjectRootBase
	CComObjectRootBase ()
	~CComObjectRootBase ()
void	SetVoid (void *)
HRESULT	_AtlFinalConstruct ()
HRESULT	FinalConstruct ()
void	InternalFinalConstructAddRef ()
void	InternalFinalConstructRelease ()
void	FinalRelease ()
Public Member Functions inherited from IEnumIDList
HRESULT	Next ([in] ULONG celt, [out, size_is(celt), length_is(*pceltFetched)] PITEMID_CHILD *rgelt, [out] ULONG *pceltFetched)
HRESULT	Skip ([in] ULONG celt)
HRESULT	Reset ()
HRESULT	Clone ([out] IEnumIDList **ppenum)
Public Member Functions inherited from IUnknown
HRESULT	QueryInterface ([in] REFIID riid, [out, iid_is(riid)] void **ppvObject)
ULONG	AddRef ()
ULONG	Release ()

Private Member Functions
HRESULT	_AddFindResult (LPWSTR sParentDir, const WIN32_FIND_DATAW &FindData, DWORD dwFlags)

Additional Inherited Members
Public Types inherited from IEnumIDList
typedef IEnumIDList *	LPENUMIDLIST
Public Types inherited from IUnknown
typedef IUnknown *	LPUNKNOWN
Static Public Member Functions inherited from ATL::CComObjectRootBase
static void WINAPI	ObjectMain (bool)
static const struct _ATL_CATMAP_ENTRY *	GetCategoryMap ()
static HRESULT WINAPI	InternalQueryInterface (void *pThis, const _ATL_INTMAP_ENTRY *pEntries, REFIID iid, void **ppvObject)
Public Attributes inherited from ATL::CComObjectRootBase
LONG	m_dwRef

Detailed Description

Definition at line 346 of file CFSFolder.cpp.

Constructor & Destructor Documentation

CFileSysEnum()

CFileSysEnum::CFileSysEnum ( )

inline

Definition at line 444 of file CFSFolder.cpp.

    {
 
    }

~CFileSysEnum()

CFileSysEnum::~CFileSysEnum ( )

inline

Definition at line 449 of file CFSFolder.cpp.

    {
    }

Member Function Documentation

_AddFindResult()

HRESULT CFileSysEnum::_AddFindResult ( LPWSTR  sParentDir, const WIN32_FIND_DATAW &  FindData, DWORD  dwFlags  )

inlineprivate

Definition at line 350 of file CFSFolder.cpp.

    {
#define SUPER_HIDDEN (FILE_ATTRIBUTE_HIDDEN | FILE_ATTRIBUTE_SYSTEM)
 
        // Does it need special handling because it is hidden?
        if (FindData.dwFileAttributes & FILE_ATTRIBUTE_HIDDEN)
        {
            DWORD dwHidden = FindData.dwFileAttributes & SUPER_HIDDEN;
 
            // Is it hidden, but are we not asked to include hidden?
            if (dwHidden == FILE_ATTRIBUTE_HIDDEN && !(dwFlags & SHCONTF_INCLUDEHIDDEN))
                return S_OK;
 
            // Is it a system file, but are we not asked to include those?
            if (dwHidden == SUPER_HIDDEN && !(dwFlags & SHCONTF_INCLUDESUPERHIDDEN))
                return S_OK;
        }
 
        BOOL bDirectory = (FindData.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) != 0;
 
        HRESULT hr;
        if (bDirectory)
        {
            // Skip the current and parent directory nodes
            if (!strcmpW(FindData.cFileName, L".") || !strcmpW(FindData.cFileName, L".."))
                return S_OK;
 
            // Does this directory need special handling?
            if ((FindData.dwFileAttributes & (FILE_ATTRIBUTE_SYSTEM | FILE_ATTRIBUTE_READONLY)) != 0)
            {
                WCHAR Tmp[MAX_PATH];
                CLSID clsidFolder;
 
                PathCombineW(Tmp, sParentDir, FindData.cFileName);
 
                hr = SHELL32_GetCLSIDForDirectory(Tmp, L"CLSID", &clsidFolder);
                if (SUCCEEDED(hr))
                {
                    ERR("Got CLSID override for '%S'\n", Tmp);
                }
            }
        }
        else
        {
            CLSID clsidFile;
            LPWSTR pExtension = PathFindExtensionW(FindData.cFileName);
            if (pExtension)
            {
                // FIXME: Cache this?
                hr = GetCLSIDForFileTypeFromExtension(pExtension, L"CLSID", &clsidFile);
                if (hr == S_OK)
                {
                    HKEY hkey;
                    hr = SHRegGetCLSIDKeyW(clsidFile, L"ShellFolder", FALSE, FALSE, &hkey);
                    if (SUCCEEDED(hr))
                    {
                        ::RegCloseKey(hkey);
 
                        // This should be presented as directory!
                        bDirectory = TRUE;
                        TRACE("Treating '%S' as directory!\n", FindData.cFileName);
                    }
                }
            }
        }
 
        LPITEMIDLIST pidl = NULL;
        if (bDirectory)
        {
            if (dwFlags & SHCONTF_FOLDERS)
            {
                TRACE("(%p)->  (folder=%s)\n", this, debugstr_w(FindData.cFileName));
                pidl = _ILCreateFromFindDataW(&FindData);
            }
        }
        else
        {
            if (dwFlags & SHCONTF_NONFOLDERS)
            {
                TRACE("(%p)->  (file  =%s)\n", this, debugstr_w(FindData.cFileName));
                pidl = _ILCreateFromFindDataW(&FindData);
            }
        }
 
        if (pidl && !AddToEnumList(pidl))
        {
            FAILED_UNEXPECTEDLY(E_FAIL);
            return E_FAIL;
        }
 
        return S_OK;
    }

Referenced by Initialize().

Initialize()

HRESULT WINAPI CFileSysEnum::Initialize ( LPWSTR  sPathTarget, DWORD  dwFlags  )

inline

Definition at line 453 of file CFSFolder.cpp.

    {
        TRACE("(%p)->(path=%s flags=0x%08x)\n", this, debugstr_w(sPathTarget), dwFlags);
 
        if (!sPathTarget || !sPathTarget[0])
        {
            WARN("No path for CFileSysEnum, empty result!\n");
            return S_FALSE;
        }
 
        WCHAR szFindPattern[MAX_PATH];
        HRESULT hr = StringCchCopyW(szFindPattern, _countof(szFindPattern), sPathTarget);
        if (FAILED_UNEXPECTEDLY(hr))
            return hr;
 
        /* FIXME: UNSAFE CRAP */
        PathAddBackslashW(szFindPattern);
 
        hr = StringCchCatW(szFindPattern, _countof(szFindPattern), L"*.*");
        if (FAILED_UNEXPECTEDLY(hr))
            return hr;
 
 
        WIN32_FIND_DATAW FindData;
        HANDLE hFind = FindFirstFileW(szFindPattern, &FindData);
        if (hFind == INVALID_HANDLE_VALUE)
            return HRESULT_FROM_WIN32(GetLastError());
 
        do
        {
            hr = _AddFindResult(sPathTarget, FindData, dwFlags);
 
            if (FAILED_UNEXPECTEDLY(hr))
                break;
 
        } while(FindNextFileW(hFind, &FindData));
 
        if (SUCCEEDED(hr))
        {
            DWORD dwError = GetLastError();
            if (dwError != ERROR_NO_MORE_FILES)
            {
                hr = HRESULT_FROM_WIN32(dwError);
                FAILED_UNEXPECTEDLY(hr);
            }
        }
        TRACE("(%p)->(hr=0x%08x)\n", this, hr);
        FindClose(hFind);
        return hr;
    }

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The documentation for this class was generated from the following file:

• dll/win32/shell32/folders/CFSFolder.cpp