480 lines
13 KiB
C++
480 lines
13 KiB
C++
//+---------------------------------------------------------------------------
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//
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// Copyright (C) Microsoft Corporation, 1996 - 2000.
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//
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// File: ixsso.hxx
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//
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// Contents: Query SSO class
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//
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// History: 29 Oct 1996 Alanw Created
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//
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//----------------------------------------------------------------------------
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#pragma once
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//-----------------------------------------------------------------------------
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// Include Files
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//-----------------------------------------------------------------------------
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// Query object interface declarations
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#include "ixssoifc.h"
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#include "ixserror.hxx"
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#include <ciintf.h>
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#include <tgrow.hxx>
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enum EOptimizeFor {
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eOptNone = 0,
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eOptPerformance = 1,
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eOptRecall = 2,
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eOptHitCount = 4,
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// eOptPrecision,
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};
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extern const WCHAR * pwcDefaultDialect;
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//
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// Private interface definition for use by CixssoUtil.
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//
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const IID IID_IixssoQueryPrivate = {0x9357bd10,0x2b6f,0x11d0,{0xbf,0xbc,0x00,0x20,0xf8,0x00,0x80,0x24}};
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interface DECLSPEC_UUID("9357bd10-2b6f-11d0-bfbc-0020f8008024")
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IixssoQueryPrivate : public IixssoQueryEx
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{
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public:
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virtual /* [helpstring] */ HRESULT STDMETHODCALLTYPE AddScopeToQuery(
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/* [in] */ BSTR pwszScope,
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/* [optional][in] */ BSTR pwszDepth) = 0;
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};
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class CIXSSOPropertyList : public IColumnMapper
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{
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public:
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CIXSSOPropertyList(ULONG ulCodePage = CP_ACP);
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void SetDefaultList(IColumnMapper *pDefaultList);
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//
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// IUnknown methods.
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//
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STDMETHOD(QueryInterface) (THIS_ REFIID riid, void ** ppvObj);
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STDMETHOD_(ULONG, AddRef) (THIS);
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STDMETHOD_(ULONG, Release) (THIS);
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//
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// IColumnMapper methods
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//
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STDMETHOD(GetPropInfoFromName) (
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const WCHAR *wcsPropName,
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DBID * *ppPropId,
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DBTYPE *pPropType,
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unsigned int *puiWidth);
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STDMETHOD(GetPropInfoFromId) (
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const DBID *pPropId,
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WCHAR * *pwcsName,
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DBTYPE *pPropType,
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unsigned int *puiWidth);
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STDMETHOD(EnumPropInfo) (
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ULONG iEntry,
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const WCHAR * *pwcsName,
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DBID * *ppPropId,
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DBTYPE *pPropType,
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unsigned int *puiWidth);
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STDMETHOD(IsMapUpToDate)();
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// local methods
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SCODE AddEntry( XPtr<CPropEntry> & xPropEntry, int iLine );
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private:
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XInterface<IColumnMapper> _xDefaultList;
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XInterface<CPropertyList> _xOverrideList;
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LONG _cRefs; // ref counting
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CMutexSem _mtxAdd; // serialize access to AddEntry
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ULONG _ulCodePage; // codepage
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};
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//-----------------------------------------------------------------------------
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// CixssoQuery Declaration
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//-----------------------------------------------------------------------------
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class CixssoQuery : public IixssoQueryPrivate,
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public ISupportErrorInfo,
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public IObjectWithSite
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#if 0
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,public IObjectSafety
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#endif
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{
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friend class CIxssoQueryCF;
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friend class CNLssoQueryCF;
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public:
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// IUnknown methods
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STDMETHOD(QueryInterface)(THIS_ REFIID riid, LPVOID * ppvObj);
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STDMETHOD_(ULONG, AddRef)(THIS);
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STDMETHOD_(ULONG, Release)(THIS);
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// IDispatch methods
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STDMETHOD(GetTypeInfoCount)(THIS_ UINT * pctinfo);
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STDMETHOD(GetTypeInfo)( THIS_
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UINT itinfo,
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LCID lcid,
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ITypeInfo * * pptinfo);
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STDMETHOD(GetIDsOfNames)( THIS_
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REFIID riid,
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OLECHAR * * rgszNames,
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UINT cNames,
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LCID lcid,
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DISPID * rgdispid);
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STDMETHOD(Invoke)( THIS_
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DISPID dispidMember,
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REFIID riid,
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LCID lcid,
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WORD wFlags,
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DISPPARAMS * pdispparams,
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VARIANT * pvarResult,
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EXCEPINFO * pexcepinfo,
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UINT * puArgErr);
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// ISupportErrorInfo method
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STDMETHOD(InterfaceSupportsErrorInfo)( THIS_
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REFIID riid);
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//
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// IixssoQuery property get/put methods
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//
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HRESULT STDMETHODCALLTYPE get_Query(
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/* [retval][out] */ BSTR *val);
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HRESULT STDMETHODCALLTYPE put_Query(
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/* [in] */ BSTR val);
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HRESULT STDMETHODCALLTYPE get_CiScope(
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/* [retval][out] */ BSTR *val);
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HRESULT STDMETHODCALLTYPE put_CiScope(
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/* [in] */ BSTR val);
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HRESULT STDMETHODCALLTYPE get_SortBy(
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/* [retval][out] */ BSTR *val);
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HRESULT STDMETHODCALLTYPE put_SortBy(
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/* [in] */ BSTR val);
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HRESULT STDMETHODCALLTYPE get_GroupBy(
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/* [retval][out] */ BSTR *val);
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HRESULT STDMETHODCALLTYPE put_GroupBy(
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/* [in] */ BSTR val);
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HRESULT STDMETHODCALLTYPE get_CiFlags(
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/* [retval][out] */ BSTR *val);
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HRESULT STDMETHODCALLTYPE put_CiFlags(
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/* [in] */ BSTR val);
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HRESULT STDMETHODCALLTYPE get_Columns(
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/* [retval][out] */ BSTR *val);
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HRESULT STDMETHODCALLTYPE put_Columns(
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/* [in] */ BSTR val);
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HRESULT STDMETHODCALLTYPE get_LocaleID(
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/* [retval][out] */ LONG *val);
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HRESULT STDMETHODCALLTYPE put_LocaleID(
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/* [in] */ LONG val);
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HRESULT STDMETHODCALLTYPE get_CodePage(
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/* [retval][out] */ LONG *val);
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HRESULT STDMETHODCALLTYPE put_CodePage(
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/* [in] */ LONG val);
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HRESULT STDMETHODCALLTYPE get_Catalog(
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/* [retval][out] */ BSTR *val);
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HRESULT STDMETHODCALLTYPE put_Catalog(
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/* [in] */ BSTR val);
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HRESULT STDMETHODCALLTYPE get_Dialect(
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/* [retval][out] */ BSTR *val);
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HRESULT STDMETHODCALLTYPE put_Dialect(
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/* [in] */ BSTR val);
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HRESULT STDMETHODCALLTYPE get_OptimizeFor(
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/* [retval][out] */ BSTR *val);
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HRESULT STDMETHODCALLTYPE put_OptimizeFor(
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/* [in] */ BSTR val);
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HRESULT STDMETHODCALLTYPE get_AllowEnumeration(
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/* [retval][out] */ VARIANT_BOOL *val);
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HRESULT STDMETHODCALLTYPE put_AllowEnumeration(
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/* [in] */ VARIANT_BOOL val);
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HRESULT STDMETHODCALLTYPE get_MaxRecords(
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/* [retval][out] */ LONG *val);
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HRESULT STDMETHODCALLTYPE put_MaxRecords(
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/* [in] */ LONG val);
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HRESULT STDMETHODCALLTYPE get_StartHit(
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/* [retval][out] */ VARIANT * pvar);
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HRESULT STDMETHODCALLTYPE put_StartHit(
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/* [in] */ VARIANT * pvar);
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HRESULT STDMETHODCALLTYPE get_ResourceUseFactor(
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/* [retval][out] */ LONG *val);
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HRESULT STDMETHODCALLTYPE put_ResourceUseFactor(
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/* [in] */ LONG val);
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HRESULT STDMETHODCALLTYPE get_QueryTimedOut(
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/* [retval][out] */ VARIANT_BOOL *val);
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HRESULT STDMETHODCALLTYPE get_QueryIncomplete(
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/* [retval][out] */ VARIANT_BOOL *val);
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HRESULT STDMETHODCALLTYPE get_OutOfDate(
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/* [retval][out] */ VARIANT_BOOL *val);
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//
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// IixssoQueryEx methods
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//
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HRESULT STDMETHODCALLTYPE get_FirstRows(
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/* [retval][out] */ LONG *val);
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HRESULT STDMETHODCALLTYPE put_FirstRows(
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/* [in] */ LONG val);
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//
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// IixssoQuery methods
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//
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HRESULT STDMETHODCALLTYPE SetQueryFromURL(
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/* [in] */ BSTR pwszQuery);
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HRESULT STDMETHODCALLTYPE QueryToURL(
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/* [retval][out] */ BSTR * ppwszQuery);
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HRESULT STDMETHODCALLTYPE AddScopeToQuery(
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/* [in] */ BSTR pwszScope,
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/* [in] */ BSTR pwszDepth);
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HRESULT STDMETHODCALLTYPE DefineColumn(
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/* [in] */ BSTR pwszColDefinition);
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HRESULT STDMETHODCALLTYPE CreateRecordset(
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/* [in] */ BSTR pwszSequential,
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/* [retval][out] */ IDispatch **ppDisp);
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HRESULT STDMETHODCALLTYPE Reset( void );
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//
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// ASP standard methods
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//
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HRESULT STDMETHODCALLTYPE OnStartPage( IUnknown * pUnk );
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HRESULT STDMETHODCALLTYPE OnEndPage( void );
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#if 0
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//
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// IObjectSafety methods
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//
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HRESULT STDMETHODCALLTYPE GetInterfaceSafetyOptions(
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REFIID riid,
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DWORD * pdwSupportedOptions,
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DWORD * pdwEnabledOptions );
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HRESULT STDMETHODCALLTYPE SetInterfaceSafetyOptions(
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REFIID riid,
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DWORD dwOptionSetMask,
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DWORD dwEnabledOptions );
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#endif
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//
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// IObjectWithSite methods
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//
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HRESULT STDMETHODCALLTYPE SetSite( IUnknown * pSite );
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HRESULT STDMETHODCALLTYPE GetSite( REFIID riid, void ** ppvSite );
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private:
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CixssoQuery( ITypeLib * pitlb,
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IClassFactory * pIAdoRecordsetCF,
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BOOL fAdoV1_5,
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const CLSID & ssoClsid );
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~CixssoQuery();
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// Local methods
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void SetError( SCODE sc,
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const WCHAR * loc = 0,
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unsigned eErrClass = 0
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)
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{
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_err.SetError( sc, 0, 0, loc, eErrClass, _lcid );
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}
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void SetError( SCODE sc,
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const WCHAR * pwszLoc,
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const WCHAR * pwszDescription
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)
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{
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_err.SetError( sc, pwszLoc, pwszDescription );
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}
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void SetErrorWithFile( SCODE sc,
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ULONG iLine,
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const WCHAR * pwszFile,
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const WCHAR * loc = 0,
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unsigned eErrClass = 0
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)
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{
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_err.SetError( sc, iLine, pwszFile, loc, eErrClass, _lcid );
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}
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void ExecuteQuery( void );
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void IsSafeForScripting();
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void GetDefaultCatalog( void );
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LCID GetLCID() const { return _lcid; }
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IColumnMapper * GetColumnMapper( )
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{ return &_PropertyList; }
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DWORD GetQueryStatus( );
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BOOL IsAVirtualPath( WCHAR * wcsPath );
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BOOL IsSequential( void )
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{ return _fSequential; }
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BOOL IsQueryActive( void )
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{ return _pIRowset != 0; }
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SCODE ParseOptimizeFor( WCHAR const * wcsOptString,
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DWORD & eChoice );
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ULONG ParseCiDepthFlag( BSTR bstrFlags );
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ULONG GetDialect();
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SCODE SetLocaleString(BSTR str);
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// Property get/put helpers
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SCODE CopyWstrToBstr( BSTR * pbstr, WCHAR const * pwstr );
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SCODE CopyBstrToWstr( BSTR bstr, LPWSTR & pwstr );
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SCODE CopyBstrToWstrArray( BSTR bstr,
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CDynArray<WCHAR> &apstr,
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unsigned i );
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SCODE GetBoolProperty( VARIANT_BOOL * pfVal, BOOL fMemberVal );
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SCODE PutBoolProperty( VARIANT_BOOL fInputVal, BOOL & fMemberVal );
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SCODE CheckQueryStatusBit( VARIANT_BOOL * pfVal, DWORD dwBit );
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ULONG _cRef;
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CixssoError _err;
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IClassFactory * _pIAdoRecordsetCF;
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BOOL _fAdoV15;
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IRowset * _pIRowset;
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IRowsetQueryStatus * _pIRowsetQueryStatus;
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BOOL _fSequential; // TRUE if query is sequential
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// Settable parameters
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LCID _lcid; // Locale ID used for this query
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ULONG _ulCodepage; // Codepage used for this query
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XInterface<IUnknown> _xSite; // site loading the object
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WCHAR * _pwszRestriction; // Query
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WCHAR * _pwszSort; // SortBy
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WCHAR * _pwszGroup; // GroupBy
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WCHAR * _pwszColumns; // Columns
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WCHAR * _pwszCatalog; // Catalog
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WCHAR * _pwszDialect; // Query Dialect
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// Scope related parameters
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unsigned _cScopes; // number of active scopes
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CDynArray<WCHAR> _apwszScope; // CiScope
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CDynArrayInPlace<ULONG> _aulDepth; // CiFlags, DEEP/SHALLOW
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BOOL _fAllowEnumeration;
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DWORD _dwOptimizeFlags;
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LONG _maxResults; // total number of results
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LONG _cFirstRows;
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LONG _iResourceFactor; // resource use factor
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XSafeArray _StartHit; // starting hit(s) in results
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ITypeInfo * _ptinfo; // Type info from type lib
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// Command creator for this instance
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XInterface<ISimpleCommandCreator> _xCmdCreator; // points to cmd creator
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CIXSSOPropertyList _PropertyList; // Property list
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};
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// Global variables.
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class CTheGlobalIXSSOVariables;
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extern CTheGlobalIXSSOVariables * g_pTheGlobalIXSSOVariables;
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class CTheGlobalIXSSOVariables
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{
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public:
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CTheGlobalIXSSOVariables();
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~CTheGlobalIXSSOVariables()
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{
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VariantClear(&_vtAcceptLanguageHeader);
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}
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VARIANT _vtAcceptLanguageHeader;
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XInterface<ISimpleCommandCreator> xCmdCreator;
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XInterface<IColumnMapperCreator> xColumnMapperCreator;
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};
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#define TheGlobalIXSSOVariables (*g_pTheGlobalIXSSOVariables)
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#define g_vtAcceptLanguageHeader TheGlobalIXSSOVariables._vtAcceptLanguageHeader
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void ParseNumberVectorString( WCHAR * pwszValue, CDynArrayInPlace<LONG> & aNum );
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void FormatLongVector( SAFEARRAY * psa, XGrowable<WCHAR> & awchBuf );
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