89 lines
2.1 KiB
C++
89 lines
2.1 KiB
C++
// Enum.h -- Definition of class CEnumStorage
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#ifndef __ENUM_H__
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#define __ENUM_H__
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class CEnumStorage : public CITUnknown
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{
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public:
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static HRESULT NewEnumStorage
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(IUnknown *pUnkOuter,
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IITFileSystem *pITFS, PathInfo *pPI,
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IEnumSTATSTG **ppEnumSTATSTG
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);
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~CEnumStorage(void);
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private:
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CEnumStorage(IUnknown *pUnkOuter);
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class CImpIEnumStorage : public IITEnumSTATSTG
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{
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public:
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CImpIEnumStorage(CEnumStorage *pBackObj, IUnknown *punkOuter);
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~CImpIEnumStorage(void);
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HRESULT Initial(IITFileSystem *pITFS, PathInfo *pPI);
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HRESULT InitClone(CImpIEnumStorage *pEnum);
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// IEnumSTATSTG methods:
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HRESULT STDMETHODCALLTYPE GetNextEntryInSeq(ULONG celt, PathInfo *rgelt, ULONG *pceltFetched);
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HRESULT STDMETHODCALLTYPE GetFirstEntryInSeq(PathInfo *rgelt);
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/* [local] */ HRESULT __stdcall Next(
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/* [in] */ ULONG celt,
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/* [in] */ STATSTG __RPC_FAR *rgelt,
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/* [out] */ ULONG __RPC_FAR *pceltFetched);
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HRESULT __stdcall Skip(
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/* [in] */ ULONG celt);
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HRESULT __stdcall Reset( void);
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HRESULT __stdcall Clone(
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/* [out] */ IEnumSTATSTG __RPC_FAR *__RPC_FAR *ppenum);
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private:
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HRESULT __stdcall NextPathEntry(STATSTG *pStatStg);
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enum EnumState { Before, During, After };
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IEnumSTATSTG *m_pEnumPaths;
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UINT m_cwcBasePath;
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WCHAR m_awszBasePath[MAX_PATH];
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WCHAR m_awcKeyBuffer[MAX_PATH];
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enum EnumState m_State;
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};
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friend CImpIEnumStorage;
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CImpIEnumStorage m_ImpIEnumStorage;
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public:
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static HRESULT NewClone(IUnknown *pUnkOuter, CImpIEnumStorage *pEnum,
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IEnumSTATSTG **ppEnumSTATSTG);
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};
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typedef CEnumStorage *PCEnumStorage;
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inline CEnumStorage::CEnumStorage(IUnknown *pUnkOuter)
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: m_ImpIEnumStorage(this, pUnkOuter),
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CITUnknown(&IID_IEnumSTATSTG, 1, &m_ImpIEnumStorage)
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{
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}
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inline CEnumStorage::~CEnumStorage(void)
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{
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}
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#endif // __ENUM_H__
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