Source code of Windows XP (NT5)
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/*---------------------------------------------------------------------------
File: VSet.h
Comments: Class definition for CVSet, which implements the IVarSet interface.
(c) Copyright 1995-1999, Mission Critical Software, Inc., All Rights Reserved
Proprietary and confidential to Mission Critical Software, Inc.
REVISION LOG ENTRY
Revision By: Christy Boles
Revised on 11/19/98 19:44:31
---------------------------------------------------------------------------
*/
// VSet.h : Declaration of the CVSet
#ifndef __VSET_H_
#define __VSET_H_
#include "resource.h" // main symbols
#ifdef STRIPPED_VARSET
#include "NoMcs.h"
#else
#include "Mcs.h"
#endif
#include "VarData.h"
#define VARSET_RESTRICT_NOCHANGEDATA (0x00000001)
#define VARSET_RESTRICT_NOCHANGEPROPS (0x00000002)
#define VARSET_RESTRICT_ALL (0x00000003)
/////////////////////////////////////////////////////////////////////////////
// CVSet
class ATL_NO_VTABLE CVSet :
public CComObjectRootEx<CComMultiThreadModel>,
public CComCoClass<CVSet, &CLSID_VarSet>,
public ISupportErrorInfoImpl<&IID_IVarSet>,
#ifdef STRIPPED_VARSET
public IDispatchImpl<IVarSet, &IID_IVarSet, &LIBID_MCSVARSETMINLib>,
#else
public IDispatchImpl<IVarSet, &IID_IVarSet, &LIBID_MCSVARSETLib>,
#endif
public IPersistStorageImpl<CVSet>,
public IPersistStreamInit,
public IPersistStream,
public IMarshal
{
public:
CVSet()
{
m_data = new CVarData;
m_pUnkMarshaler = NULL;
m_nItems = 0;
m_bLoaded = FALSE;
m_parent = NULL;
m_Restrictions = 0;
m_ImmutableRestrictions = 0;
InitProperties();
}
~CVSet()
{
if ( m_parent )
{
m_parent->Release();
}
else
{
Clear();
delete m_data;
}
}
DECLARE_REGISTRY_RESOURCEID(IDR_VSET)
DECLARE_GET_CONTROLLING_UNKNOWN()
DECLARE_PROTECT_FINAL_CONSTRUCT()
BEGIN_COM_MAP(CVSet)
COM_INTERFACE_ENTRY(IVarSet)
COM_INTERFACE_ENTRY_IMPL(IPersistStorage)
COM_INTERFACE_ENTRY(IPersistStreamInit)
COM_INTERFACE_ENTRY(IPersistStream)
COM_INTERFACE_ENTRY(IMarshal)
COM_INTERFACE_ENTRY(IDispatch)
COM_INTERFACE_ENTRY(ISupportErrorInfo)
COM_INTERFACE_ENTRY_AGGREGATE(IID_IMarshal, m_pUnkMarshaler.p)
END_COM_MAP()
HRESULT FinalConstruct()
{
return CoCreateFreeThreadedMarshaler(
GetControllingUnknown(), &m_pUnkMarshaler.p);
}
void FinalRelease()
{
m_pUnkMarshaler.Release();
}
CComPtr<IUnknown> m_pUnkMarshaler;
// IVSet
public:
STDMETHOD(get)(/* [in] */BSTR property,/* [retval][out] */VARIANT * value);
STDMETHOD(put)(/* [in] */BSTR property,/* [in] */VARIANT value);
STDMETHOD(putObject)(/* [in] */BSTR property,/* [in] */VARIANT value);
STDMETHOD(Clear)();
// Enum methods
STDMETHOD(get__NewEnum)(/* [retval][out] */IUnknown** retval);
STDMETHOD(getItems)(/* [in] */BSTR basepoint,
/* [in] */BSTR startAfter,
/* [in] */BOOL bRecursive,
/* [in] */ULONG bSize,
/* [out] */SAFEARRAY ** keys,
/* [out] */SAFEARRAY ** values,
/* [out][in] */LONG * nReturned);
STDMETHOD(getItems2)(/* [in] */VARIANT basepoint,
/* [in] */VARIANT startAfter,
/* [in] */VARIANT bRecursive,
/* [in] */VARIANT bSize,
/* [out] */VARIANT * keys,
/* [out] */VARIANT * values,
/* [out][in] */VARIANT * nReturned);
// properties
STDMETHOD(get_NumChildren)(/* [in] */BSTR parentKey,/* [out,retval] */long*count);
STDMETHOD(get_Count)(/* [retval][out] */long* retval);
STDMETHOD(get_CaseSensitive)(/* [retval][out] */BOOL * isCaseSensitive);
STDMETHOD(put_CaseSensitive)( /* [in] */BOOL newVal);
STDMETHOD(get_Indexed)(/* [out, retval]*/ BOOL *pVal);
STDMETHOD(put_Indexed)(/* [in] */ BOOL newVal);
STDMETHOD(get_AllowRehashing)(/* [out, retval]*/ BOOL *pVal);
STDMETHOD(put_AllowRehashing)(/* [in] */ BOOL newVal);
STDMETHOD(DumpToFile)( /* [in] */ BSTR filename);
STDMETHOD(ImportSubTree)(/*[in] */ BSTR key, /* [in] */ IVarSet * pVarSet);
STDMETHOD(getReference)( /* [in] */ BSTR key, /* [out,retval] */IVarSet** cookie);
STDMETHOD(get_Restrictions)(/* [out,retval] */ DWORD * restrictions);
STDMETHOD(put_Restrictions)(/* [in] */ DWORD newRestrictions);
protected:
CComAutoCriticalSection m_cs;
LONG m_nItems;
// Properties
BOOL m_CaseSensitive;
BOOL m_Indexed;
BOOL m_AllowRehashing;
BOOL m_bNeedToSave;
BOOL m_bLoaded;
IVarSet * m_parent;
CVarData * m_data;
CComBSTR m_prefix;
DWORD m_Restrictions;
DWORD m_ImmutableRestrictions;
// Helper functions
void BuildVariantKeyArray(CString prefix,CMapStringToVar * map,CComVariant * pVars,int * offset);
void BuildVariantKeyValueArray(CString prefix,CString startAfter,CMapStringToVar * map,
SAFEARRAY * keys,SAFEARRAY * pVars,int * offset,int maxOffset, BOOL bRecurse);
CVarData * GetItem(CString str,BOOL addToMap = FALSE, CVarData * starting = NULL);
void InitProperties()
{
m_CaseSensitive = TRUE;
m_Indexed = TRUE;
m_AllowRehashing = TRUE;
m_bNeedToSave = TRUE;
}
void SetData(IVarSet * parent,CVarData * data,DWORD restrictions)
{
if ( m_parent )
{
m_parent->Release();
m_parent = NULL;
}
if (m_data)
{
delete m_data;
}
m_data = data;
m_parent = parent;
m_bNeedToSave = TRUE;
m_Indexed = m_data->IsIndexed();
m_CaseSensitive = m_data->IsCaseSensitive();
m_nItems = m_data->CountItems();
m_Restrictions = restrictions;
m_ImmutableRestrictions = restrictions;
if ( ! m_data->HasData() )
{
// Don't count the root key "" if it does not have a value.
m_nItems--;
}
}
// IPersistStorage
public:
STDMETHOD(GetClassID)(CLSID __RPC_FAR *pClassID);
STDMETHOD(IsDirty)();
STDMETHOD(Load)(LPSTREAM pStm);
STDMETHOD(Save)(LPSTREAM pStm,BOOL fClearDirty);
STDMETHOD(GetSizeMax)(ULARGE_INTEGER __RPC_FAR *pCbSize);
STDMETHOD(InitNew)();
// IMarshal
public:
STDMETHODIMP GetUnmarshalClass(REFIID riid, void *pv, DWORD dwDestContext, void *pvDestContext, DWORD mshlflags, CLSID *pCid);
STDMETHODIMP GetMarshalSizeMax(REFIID riid, void *pv, DWORD dwDestContext, void *pvDestContext, DWORD mshlflags, DWORD *pSize);
STDMETHODIMP MarshalInterface(IStream *pStm, REFIID riid, void *pv, DWORD dwDestContext, void *pvDestCtx, DWORD mshlflags);
STDMETHODIMP UnmarshalInterface(IStream *pStm, REFIID riid, void **ppv);
STDMETHODIMP ReleaseMarshalData(IStream *pStm);
STDMETHODIMP DisconnectObject(DWORD dwReserved);
};
#endif //__VSET_H_