windows-nt/Source/XPSP1/NT/base/fs/hsm/wsb/wsbcltn.h
2020-09-26 16:20:57 +08:00

200 lines
4.8 KiB
C++

/*++
© 1998 Seagate Software, Inc. All rights reserved
Module Name:
Wsbcltn.h
Abstract:
These classes provide support for collections (lists) of "collectable"
objects.
Author:
Chuck Bardeen [cbardeen] 29-Oct-1996
Revision History:
--*/
#include "resource.h"
#include "Wsbpstbl.h"
#ifndef _WSBCLTN_
#define _WSBCLTN_
/*++
Class Name:
CWsbCollection
Class Description:
A collection of objects.
--*/
class CWsbCollection :
public CWsbPersistStream,
public IWsbCollection,
public IWsbTestable
{
// CComObjectRoot
public:
STDMETHOD(FinalConstruct)(void);
void FinalRelease(void);
// IWsbCollection
public:
STDMETHOD(Contains)(IUnknown* pCollectable);
STDMETHOD(GetEntries)(ULONG* pEntries);
STDMETHOD(Find)(IUnknown* pCollectable, REFIID riid, void** ppElement);
STDMETHOD(IsEmpty)(void);
STDMETHOD(IsLocked)(void);
STDMETHOD(Lock)(void);
STDMETHOD(OccurencesOf)(IUnknown* pCollectable, ULONG* occurences);
STDMETHOD(RemoveAndRelease)(IUnknown* pCollectable);
STDMETHOD(Unlock)(void);
// IWsbTestable
public:
STDMETHOD(Test)(USHORT *passed, USHORT *failed);
protected:
ULONG m_entries;
CRITICAL_SECTION m_CritSec;
};
#define WSB_FROM_CWSBCOLLECTION \
STDMETHOD(Contains)(IUnknown* pCollectable) \
{return(CWsbCollection::Contains(pCollectable));}; \
STDMETHOD(GetEntries)(ULONG* pEntries) \
{return(CWsbCollection::GetEntries(pEntries));}; \
STDMETHOD(Find)(IUnknown* pCollectable, REFIID riid, void** ppElement) \
{return(CWsbCollection::Find(pCollectable, riid, ppElement));}; \
STDMETHOD(IsEmpty)(void) \
{return(CWsbCollection::IsEmpty());}; \
STDMETHOD(IsLocked)(void) \
{return(CWsbCollection::IsLocked());}; \
STDMETHOD(Lock)(void) \
{return(CWsbCollection::Lock());}; \
STDMETHOD(OccurencesOf)(IUnknown* pCollectable, ULONG* occurences) \
{return(CWsbCollection::OccurencesOf(pCollectable, occurences));}; \
STDMETHOD(RemoveAndRelease)(IUnknown* pCollectable) \
{return(CWsbCollection::RemoveAndRelease(pCollectable));}; \
STDMETHOD(Unlock)(void) \
{return(CWsbCollection::Unlock());}; \
/*++
Class Name:
CWsbIndexedCollection
Class Description:
A indexed collection of objects.
--*/
class CWsbIndexedCollection :
public IWsbIndexedCollection,
public CWsbCollection
{
// IWsbCollection
public:
WSB_FROM_CWSBCOLLECTION;
// IWsbIndexedCollection
public:
STDMETHOD(Add)(IUnknown* pCollectable);
STDMETHOD(Append)(IUnknown* pCollectable);
STDMETHOD(First)(REFIID riid, void** ppElement);
STDMETHOD(Index)(IUnknown* pCollectable, ULONG* index);
STDMETHOD(Last)(REFIID riid, void** ppElement);
STDMETHOD(Prepend)(IUnknown* pCollectable);
STDMETHOD(Remove)(IUnknown* pCollectable, REFIID riid, void** ppElement);
STDMETHOD(RemoveAllAndRelease)(void);
STDMETHOD(Enum)(IWsbEnum** ppEnum);
STDMETHOD(EnumUnknown)(IEnumUnknown** ppEnum);
// IWsbTestable
public:
STDMETHOD(Test)(USHORT *passed, USHORT *failed);
};
/*++
Class Name:
CWsbOrderedCollection
Class Description:
An ordered collection of objects.
--*/
class CWsbOrderedCollection :
public CWsbIndexedCollection,
public CComCoClass<CWsbOrderedCollection,&CLSID_CWsbOrderedCollection>
{
public:
CWsbOrderedCollection() {}
BEGIN_COM_MAP(CWsbOrderedCollection)
COM_INTERFACE_ENTRY2(IPersist, IPersistStream)
COM_INTERFACE_ENTRY(IPersistStream)
COM_INTERFACE_ENTRY2(IWsbCollection, IWsbIndexedCollection)
COM_INTERFACE_ENTRY(IWsbIndexedCollection)
COM_INTERFACE_ENTRY(IWsbPersistStream)
COM_INTERFACE_ENTRY(IWsbTestable)
END_COM_MAP()
DECLARE_REGISTRY_RESOURCEID(IDR_CWsbOrderedCollection)
// CComObjectRoot
public:
STDMETHOD(FinalConstruct)(void);
void FinalRelease(void);
// IWsbIndexedCollection
STDMETHOD(AddAt)(IUnknown* pCollectable, ULONG index);
STDMETHOD(At)(ULONG index, REFIID riid, void** ppElement);
STDMETHOD(Copy)(ULONG start, ULONG stop, REFIID riid, void** rgElement, ULONG* pElementFetched);
STDMETHOD(CopyIfMatches)(ULONG start, ULONG stop, IUnknown* pCollectable, ULONG element, REFIID riid, void** rgElement, ULONG* pElementFetched, ULONG* pStoppedAt);
STDMETHOD(RemoveAt)(ULONG index, REFIID riid, void** ppElement);
// IPersist
public:
STDMETHOD(GetClassID)(LPCLSID pclsid);
// IPersistStream
public:
STDMETHOD(GetSizeMax)(ULARGE_INTEGER* pSize);
STDMETHOD(Load)(IStream* pStream);
STDMETHOD(Save)(IStream* pStream, BOOL clearDirty);
// IWsbTestable
public:
STDMETHOD(Test)(USHORT *passed, USHORT *failed) {
return(CWsbIndexedCollection::Test(passed, failed));
};
protected:
ULONG m_maxEntries;
ULONG m_growBy;
IWsbCollectable** m_pCollectable;
};
#endif // _WSBCLTN_