CEnumZipContents Class Reference

Inheritance diagram for CEnumZipContents:

Collaboration diagram for CEnumZipContents:

Public Member Functions
	CEnumZipContents ()
STDMETHODIMP	Initialize (IZip *zip, DWORD flags, PCWSTR prefix)
STDMETHODIMP	Next (ULONG celt, LPITEMIDLIST *rgelt, ULONG *pceltFetched)
STDMETHODIMP	Skip (ULONG celt)
STDMETHODIMP	Reset ()
STDMETHODIMP	Clone (IEnumIDList **ppenum)
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 Attributes
CZipEnumerator	mEnumerator
DWORD	dwFlags
CStringW	m_Prefix

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 37 of file CEnumZipContents.cpp.

Constructor & Destructor Documentation

CEnumZipContents()

CEnumZipContents::CEnumZipContents ( )

inline

Definition at line 46 of file CEnumZipContents.cpp.

        :dwFlags(0)
    {
    }

Member Function Documentation

Clone()

STDMETHODIMP CEnumZipContents::Clone ( IEnumIDList **  ppenum )

inline

Implements IEnumIDList.

Definition at line 118 of file CEnumZipContents.cpp.

    {
        return E_NOTIMPL;
    }

Initialize()

STDMETHODIMP CEnumZipContents::Initialize ( IZip *  zip, DWORD  flags, PCWSTR  prefix  )

inline

Definition at line 51 of file CEnumZipContents.cpp.

    {
        dwFlags = flags;
        m_Prefix = prefix;
        if (mEnumerator.Initialize(zip))
            return S_OK;
        return E_FAIL;
    }

Next()

STDMETHODIMP CEnumZipContents::Next ( ULONG  celt, LPITEMIDLIST *  rgelt, ULONG *  pceltFetched  )

inline

Definition at line 61 of file CEnumZipContents.cpp.

    {
        if (!rgelt || (!pceltFetched && celt != 1))
            return E_POINTER;
 
        HRESULT hr = S_OK;
        ULONG fetched = 0;
        LPITEMIDLIST item;
        CStringW name;
        bool dir;
        unz_file_info64 info;
 
        while (fetched < celt)
        {
            if (mEnumerator.NextUnique(m_Prefix, name, dir, info))
            {
                if (!IncludeInEnumIDList(dwFlags, dir, info))
                    continue;
 
                item = _ILCreateZipItem(dir ? ZIP_PIDL_DIRECTORY : ZIP_PIDL_FILE, name, info);
                if (!item)
                {
                    hr = fetched ? S_FALSE : E_OUTOFMEMORY;
                    break;
                }
                rgelt[fetched++] = item;
            }
            else
            {
                hr = S_FALSE;
                break;
            }
        }
 
        if (pceltFetched)
            *pceltFetched = fetched;
        return hr;
    }

Reset()

STDMETHODIMP CEnumZipContents::Reset ( )

inline

Implements IEnumIDList.

Definition at line 112 of file CEnumZipContents.cpp.

    {
        if (mEnumerator.Reset())
            return S_OK;
        return E_FAIL;
    }

Skip()

STDMETHODIMP CEnumZipContents::Skip ( ULONG  celt )

inline

Implements IEnumIDList.

Definition at line 99 of file CEnumZipContents.cpp.

    {
        CStringW name;
        bool dir;
        unz_file_info64 info;
        while (celt--)
        {
            if (!mEnumerator.NextUnique(m_Prefix, name, dir, info))
                return E_FAIL;
            ;
        }
        return S_OK;
    }

Member Data Documentation

dwFlags

DWORD CEnumZipContents::dwFlags

private

Definition at line 43 of file CEnumZipContents.cpp.

m_Prefix

CStringW CEnumZipContents::m_Prefix

private

Definition at line 44 of file CEnumZipContents.cpp.

Referenced by Initialize(), Next(), and Skip().

mEnumerator

CZipEnumerator CEnumZipContents::mEnumerator

private

Definition at line 42 of file CEnumZipContents.cpp.

Referenced by Initialize(), Next(), Reset(), and Skip().

---

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

• dll/shellext/zipfldr/CEnumZipContents.cpp