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