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| -rw-r--r-- | extensions/source/ole/unoobjw.hxx | 272 |
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diff --git a/extensions/source/ole/unoobjw.hxx b/extensions/source/ole/unoobjw.hxx new file mode 100644 index 000000000..603027fcc --- /dev/null +++ b/extensions/source/ole/unoobjw.hxx @@ -0,0 +1,272 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/* + * This file is part of the LibreOffice project. + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. + * + * This file incorporates work covered by the following license notice: + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed + * with this work for additional information regarding copyright + * ownership. The ASF licenses this file to you under the Apache + * License, Version 2.0 (the "License"); you may not use this file + * except in compliance with the License. You may obtain a copy of + * the License at http://www.apache.org/licenses/LICENSE-2.0 . + */ + +#ifndef INCLUDED_EXTENSIONS_SOURCE_OLE_UNOOBJW_HXX +#define INCLUDED_EXTENSIONS_SOURCE_OLE_UNOOBJW_HXX + +#include <com/sun/star/bridge/XBridgeSupplier2.hpp> +#include <com/sun/star/beans/XExactName.hpp> +#include <com/sun/star/lang/XInitialization.hpp> +#include <com/sun/star/script/InvocationInfo.hpp> +#include <salhelper/simplereferenceobject.hxx> +#include <cppuhelper/implbase.hxx> + +#include "comifaces.hxx" +#include "ole2uno.hxx" +#include "unoconversionutilities.hxx" + +#define JSCRIPT_VALUE_FUNC L"_GetValueObject" +#define GET_STRUCT_FUNC L"_GetStruct" +#define BRIDGE_VALUE_FUNC L"Bridge_GetValueObject" +#define BRIDGE_GET_STRUCT_FUNC L"Bridge_GetStruct" +#define BRIDGE_CREATE_TYPE_FUNC L"Bridge_CreateType" + +#define DISPID_JSCRIPT_VALUE_FUNC -10l +#define DISPID_GET_STRUCT_FUNC -102 +#define DISPID_CREATE_TYPE_FUNC -103 + +using namespace std; +using namespace cppu; +using namespace com::sun::star::bridge; +using namespace com::sun::star::script; + +struct MemberInfo +{ + MemberInfo() : flags(0), name() {} + MemberInfo(WORD f, const OUString& n) : flags(f), name(n) {} + + WORD flags; + OUString name; +}; + +typedef std::unordered_map +< + OUString, + DISPID +> NameToIdMap; + +typedef std::unordered_map +< + OUString, + bool +> BadNameMap; + +typedef std::unordered_map +< + DISPID, + MemberInfo +> IdToMemberInfoMap; + +// An InterfaceOleWrapper object can wrap either a UNO struct or a UNO +// interface as a COM IDispatchEx and IUnoObjectWrapper. + +class InterfaceOleWrapper : public WeakImplHelper<XBridgeSupplier2, XInitialization>, + public IDispatchEx, + public IProvideClassInfo, + public IConnectionPointContainer, + public UnoConversionUtilities<InterfaceOleWrapper>, + public IUnoObjectWrapper +{ +public: + InterfaceOleWrapper(Reference<XMultiServiceFactory> const & xFactory, sal_uInt8 unoWrapperClass, sal_uInt8 comWrapperClass); + ~InterfaceOleWrapper() override; + + // IUnknown + STDMETHOD(QueryInterface)(REFIID riid, void ** ppvObj) override; + STDMETHOD_(ULONG, AddRef)() override; + STDMETHOD_(ULONG, Release)() override; + + // IDispatch + STDMETHOD( GetTypeInfoCount )( UINT * pctinfo ) override; + STDMETHOD( GetTypeInfo )( UINT itinfo, LCID lcid, ITypeInfo ** pptinfo ) override; + STDMETHOD( GetIDsOfNames )( REFIID riid, LPOLESTR * rgszNames, UINT cNames, + LCID lcid, DISPID * rgdispid ) override; + STDMETHOD( Invoke )( DISPID dispidMember, REFIID riid, LCID lcid, WORD wFlags, + DISPPARAMS * pdispparams, VARIANT * pvarResult, EXCEPINFO * pexcepinfo, + UINT * puArgErr ) override; + + // IDispatchEx + virtual HRESULT STDMETHODCALLTYPE GetDispID( + /* [in] */ BSTR bstrName, + /* [in] */ DWORD grfdex, + /* [out] */ DISPID __RPC_FAR *pid) override; + + virtual /* [local] */ HRESULT STDMETHODCALLTYPE InvokeEx( + /* [in] */ DISPID id, + /* [in] */ LCID lcid, + /* [in] */ WORD wFlags, + /* [in] */ DISPPARAMS __RPC_FAR *pdp, + /* [out] */ VARIANT __RPC_FAR *pvarRes, + /* [out] */ EXCEPINFO __RPC_FAR *pei, + /* [unique][in] */ IServiceProvider __RPC_FAR *pspCaller) override; + + virtual HRESULT STDMETHODCALLTYPE DeleteMemberByName( + /* [in] */ BSTR bstr, + /* [in] */ DWORD grfdex) override; + + virtual HRESULT STDMETHODCALLTYPE DeleteMemberByDispID( + /* [in] */ DISPID id) override; + + virtual HRESULT STDMETHODCALLTYPE GetMemberProperties( + /* [in] */ DISPID id, + /* [in] */ DWORD grfdexFetch, + /* [out] */ DWORD __RPC_FAR *pgrfdex) override; + + virtual HRESULT STDMETHODCALLTYPE GetMemberName( + /* [in] */ DISPID id, + /* [out] */ BSTR __RPC_FAR *pbstrName) override; + + virtual HRESULT STDMETHODCALLTYPE GetNextDispID( + /* [in] */ DWORD grfdex, + /* [in] */ DISPID id, + /* [out] */ DISPID __RPC_FAR *pid) override; + + virtual HRESULT STDMETHODCALLTYPE GetNameSpaceParent( + /* [out] */ IUnknown __RPC_FAR *__RPC_FAR *ppunk) override; + + // IProvideClassInfo + virtual HRESULT STDMETHODCALLTYPE GetClassInfo( + /* [out] */ ITypeInfo **ppTI) override; + + // IConnectionPointContainer + virtual HRESULT STDMETHODCALLTYPE EnumConnectionPoints( + /* [out] */ IEnumConnectionPoints **ppEnum) override; + virtual HRESULT STDMETHODCALLTYPE FindConnectionPoint( + /* [in] */ REFIID riid, + /* [out] */ IConnectionPoint **ppCP) override; + + // XBridgeSupplier2 + virtual Any SAL_CALL createBridge(const Any& modelDepObject, + const Sequence<sal_Int8>& ProcessId, + sal_Int16 sourceModelType, + sal_Int16 destModelType) override; + + // XInitialization + virtual void SAL_CALL initialize( const Sequence< Any >& aArguments ) override; + + // IUnoObjectWrapper + STDMETHOD( getWrapperXInterface)( Reference<XInterface>* pXInt) override; + STDMETHOD( getOriginalUnoObject)( Reference<XInterface>* pXInt) override; + STDMETHOD( getOriginalUnoStruct)( Any * pStruct) override; + + // UnoConversionUtility + virtual Reference< XInterface > createUnoWrapperInstance() override; + virtual Reference< XInterface > createComWrapperInstance() override; + + const OUString& getImplementationName() const + { + return m_sImplementationName; + } + +protected: + virtual HRESULT doInvoke( DISPPARAMS * pdispparams, VARIANT * pvarResult, + EXCEPINFO * pexcepinfo, unsigned int * puArgErr, OUString & name, Sequence<Any>& params); + + virtual HRESULT doGetProperty( DISPPARAMS * pdispparams, VARIANT * pvarResult, + EXCEPINFO * pexcepinfo, OUString & name ); + + virtual HRESULT doSetProperty( DISPPARAMS * pdispparams, VARIANT * pvarResult, + EXCEPINFO * pexcepinfo, unsigned int * puArgErr, OUString & name, Sequence<Any> const & params); + + virtual HRESULT InvokeGeneral( DISPID dispidMember, unsigned short wFlags, + DISPPARAMS * pdispparams, VARIANT * pvarResult, EXCEPINFO * pexcepinfo, + unsigned int * puArgErr, bool& bHandled); + + void convertDispparamsArgs( DISPID id, unsigned short wFlags, DISPPARAMS* pdispparams, + Sequence<Any>& rSeq); + + bool getInvocationInfoForCall(DISPID id, InvocationInfo& info); + + Reference<XInvocation> m_xInvocation; + Reference<XExactName> m_xExactName; + Reference<XInterface> m_xOrigin; + NameToIdMap m_nameToDispIdMap; + vector<MemberInfo> m_MemberInfos; + // This member is used to determine the default value + // denoted by DISPID_VALUE (0). For proper results in JavaScript + // we have to return the default value when we write an object + // as out parameter. That is, we get a JScript Array as parameter + // and put a wrapped object on index null. The array object tries + // to detect the default value. The wrapped object must then return + // its own IDispatch* otherwise we cannot access it within the script. + // see InterfaceOleWrapper::Invoke + VARTYPE m_defaultValueType; + + // The name of the implementation. Can be empty if unknown. + OUString m_sImplementationName; +}; + +/***************************************************************************** + + UnoObjectWrapperRemoteOpt = Uno Object Wrapper Remote Optimized + + This is the UNO wrapper used in the service com.sun.star.bridge.OleBridgeSupplierVar1. + Key features: + DISPIDs are passed out blindly. That is in GetIDsOfNames is no name checking carried out. + Only if Invoke fails the name is being checked. Moreover Invoke tries to figure out + if a call is made to a property or method if the flags are DISPATCH_METHOD | DISPATCH_PROPERTYPUT. + If something has been found out about a property or member than it is saved + in a MemberInfo structure hold by an IdToMemberInfoMap stl map. + +*****************************************************************************/ +class UnoObjectWrapperRemoteOpt: public InterfaceOleWrapper +{ +public: + UnoObjectWrapperRemoteOpt( Reference<XMultiServiceFactory> const & aFactory, sal_uInt8 unoWrapperClass, sal_uInt8 comWrapperClass); + ~UnoObjectWrapperRemoteOpt() override; + + STDMETHOD( GetIDsOfNames )( REFIID riid, LPOLESTR * rgszNames, UINT cNames, + LCID lcid, DISPID * rgdispid ) override; + STDMETHOD( Invoke )( DISPID dispidMember, REFIID riid, LCID lcid, WORD wFlags, + DISPPARAMS * pdispparams, VARIANT * pvarResult, EXCEPINFO * pexcepinfo, + UINT * puArgErr ) override; + + // UnoConversionUtility + // If UNO interfaces are converted in methods of this class then + // they are always wrapped with instances of this class + virtual Reference< XInterface > createUnoWrapperInstance() override; + +protected: + + static HRESULT methodInvoke( DISPID dispidMember, DISPPARAMS * pdispparams, VARIANT * pvarResult, + EXCEPINFO * pexcepinfo, unsigned int * puArgErr, Sequence<Any> const & params); + // In GetIDsOfNames are blindly passed out, that is without verifying + // the name. If two names are passed in during different calls to + // GetIDsOfNames and the names differ only in their cases then different + // id's are passed out ( e.g. "doSomethingMethod" or "dosomethingmethod"). + // In Invoke the DISPID is remapped to the name passed to GetIDsOfNames + // and the name is used as parameter for XInvocation::invoke. If invoke + // fails because of a wrong name, then m_xExactName ( XExactName) is used + // to verify the name. The correct name is then inserted to m_MemberInfos + // ( vector<MemberInfo> ). During the next call to Invoke the right name + // is used. . + + + BadNameMap m_badNameMap; + + IdToMemberInfoMap m_idToMemberInfoMap; + + DISPID m_currentId; + + +}; + +#endif + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |