147 lines
4 KiB
C
147 lines
4 KiB
C
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/////////////////////////////////////////////////////////////////////////////////////
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// TuningSpaceCollectionImpl.h : Declaration of the TuningSpaceCollectionImpl.h
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// Copyright (c) Microsoft Corporation 1999-2000
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#include <tuner.h>
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namespace BDATuningModel {
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typedef CComQIPtr<ITuningSpace> PQTuningSpace;
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typedef std::map<ULONG, CComVariant> TuningSpaceContainer_t; // id->object mapping, id's not contiguous
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// utilities for element management semantics for TuningSpaceContainerEnum_t
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class stlmapClone
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{
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public:
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static HRESULT copy(VARIANT* p1, std::pair<const ULONG, CComVariant> *p2) {
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if (p2->second.vt != VT_DISPATCH && p2->second.vt != VT_UNKNOWN) {
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return DISP_E_TYPEMISMATCH;
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}
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PQTuningSpace pts(p2->second.punkVal);
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if (!pts) {
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return E_UNEXPECTED;
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}
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p1->vt = p2->second.vt;
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PQTuningSpace pnewts;
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HRESULT hr = pts->Clone(&pnewts);
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if (FAILED(hr)) {
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return hr;
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}
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p1->punkVal = pnewts.Detach();
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return NOERROR;
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}
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static void init(VARIANT* p) {VariantInit(p);}
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static void destroy(VARIANT* p) {VariantClear(p);}
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};
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typedef CComEnumOnSTL<IEnumVARIANT, &IID_IEnumVARIANT, VARIANT, stlmapClone, TuningSpaceContainer_t, CComMultiThreadModel> TuningSpaceContainerEnum_t;
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class stlmapClone2
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{
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public:
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static HRESULT copy(ITuningSpace** p1, std::pair<const ULONG, CComVariant> *p2) {
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if (p2->second.vt != VT_DISPATCH && p2->second.vt != VT_UNKNOWN) {
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return DISP_E_TYPEMISMATCH;
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}
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PQTuningSpace p(p2->second.punkVal);
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if (!p) {
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return E_UNEXPECTED;
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}
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// don't ASSERT(p1 && !*p1); if !p1 then clone will return E_POINTER and p1 itself
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// can point to unitialized memory if the caller passed down a new'd array of pointers
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// to enum::Next(). therefore if this clone causes a leak then its the callers bug
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return p->Clone(p1);
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}
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static void init(ITuningSpace** p) {*p = NULL;}
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static void destroy(ITuningSpace** p) {(*p)->Release(); *p = NULL;}
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};
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typedef CComEnumOnSTL<IEnumTuningSpaces, &__uuidof(IEnumTuningSpaces), ITuningSpace*, stlmapClone2, TuningSpaceContainer_t, CComMultiThreadModel> TuningSpaceEnum_t;
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template<class T, class TSInterface, LPCGUID TSInterfaceID, LPCGUID TypeLibID> class TuningSpaceCollectionImpl :
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public IDispatchImpl<TSInterface, TSInterfaceID, TypeLibID> {
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public:
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TuningSpaceContainer_t m_mapTuningSpaces;
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virtual ~TuningSpaceCollectionImpl() {
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m_mapTuningSpaces.clear();
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}
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STDMETHOD(get__NewEnum)(/*[out, retval]*/ IEnumVARIANT** ppVal) {
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try {
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if (ppVal == NULL) {
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return E_POINTER;
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}
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CComObject<TuningSpaceContainerEnum_t>* p;
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*ppVal = NULL;
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HRESULT hr = CComObject<TuningSpaceContainerEnum_t>::CreateInstance(&p);
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if (FAILED(hr) || !p) {
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return E_OUTOFMEMORY;
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}
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ATL_LOCKT();
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hr = p->Init(pT->GetUnknown(), m_mapTuningSpaces);
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if (FAILED(hr)) {
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delete p;
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return hr;
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}
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hr = p->QueryInterface(__uuidof(IEnumVARIANT), reinterpret_cast<LPVOID *>(ppVal));
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if (FAILED(hr)) {
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delete p;
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return hr;
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}
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return NOERROR;
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} catch(...) {
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return E_POINTER;
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}
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}
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STDMETHOD(get_EnumTuningSpaces)(/*[out, retval]*/ IEnumTuningSpaces** ppNewEnum) {
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if (!ppNewEnum) {
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return E_POINTER;
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}
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try {
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CComObject<TuningSpaceEnum_t>* p;
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*ppNewEnum = NULL;
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HRESULT hr = CComObject<TuningSpaceEnum_t>::CreateInstance(&p);
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if (FAILED(hr) || !p) {
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return E_OUTOFMEMORY;
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}
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ATL_LOCKT();
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hr = p->Init(pT->GetUnknown(), m_mapTuningSpaces);
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if (FAILED(hr)) {
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delete p;
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return hr;
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}
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hr = p->QueryInterface(__uuidof(IEnumTuningSpaces), (void**)ppNewEnum);
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if (FAILED(hr)) {
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delete p;
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return hr;
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}
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return NOERROR;
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} catch(...) {
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return E_UNEXPECTED;
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}
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}
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STDMETHOD(get_Count)(/*[out, retval]*/ long *plVal) {
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if (!plVal) {
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return E_POINTER;
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}
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try {
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ATL_LOCKT();
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*plVal = static_cast<long>(m_mapTuningSpaces.size());
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return NOERROR;
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} catch(...) {
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return E_POINTER;
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}
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}
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};
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}; // namespace
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// end of file - tuningspacecollectionimpl.h
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