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+/* -*- 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 .
+ */
+#pragma once
+
+#include <memory>
+#include <com/sun/star/script/CannotConvertException.hpp>
+#include <com/sun/star/script/XInvocationAdapterFactory.hpp>
+#include <com/sun/star/script/XInvocationAdapterFactory2.hpp>
+#include <com/sun/star/script/XTypeConverter.hpp>
+#include <com/sun/star/script/FailReason.hpp>
+#include <com/sun/star/bridge/ModelDependent.hpp>
+#include <com/sun/star/bridge/XBridgeSupplier2.hpp>
+#include <com/sun/star/bridge/oleautomation/Date.hpp>
+#include <com/sun/star/bridge/oleautomation/Currency.hpp>
+#include <com/sun/star/bridge/oleautomation/SCode.hpp>
+#include <com/sun/star/bridge/oleautomation/Decimal.hpp>
+#include <com/sun/star/lang/XInitialization.hpp>
+#include <typelib/typedescription.hxx>
+#include <o3tl/any.hxx>
+#include <o3tl/char16_t2wchar_t.hxx>
+#include "ole2uno.hxx"
+#include <cppuhelper/weakref.hxx>
+
+#include "unotypewrapper.hxx"
+#include <unordered_map>
+
+// for some reason DECIMAL_NEG (wtypes.h) which contains BYTE is not resolved.
+typedef unsigned char BYTE;
+// classes for wrapping uno objects
+#define INTERFACE_OLE_WRAPPER_IMPL 1
+#define UNO_OBJECT_WRAPPER_REMOTE_OPT 2
+
+#define INVOCATION_SERVICE "com.sun.star.script.Invocation"
+
+
+// classes for wrapping ole objects
+#define IUNKNOWN_WRAPPER_IMPL 1
+
+#define INTERFACE_ADAPTER_FACTORY "com.sun.star.script.InvocationAdapterFactory"
+// COM or JScript objects implementing UNO interfaces have to implement this property
+#define SUPPORTED_INTERFACES_PROP L"_implementedInterfaces"
+// Second property without leading underscore for use in VB
+#define SUPPORTED_INTERFACES_PROP2 L"Bridge_ImplementedInterfaces"
+
+using namespace com::sun::star::script;
+using namespace com::sun::star::beans;
+using namespace com::sun::star::uno;
+using namespace com::sun::star::bridge::oleautomation;
+
+extern std::unordered_map<sal_uIntPtr, sal_uIntPtr> AdapterToWrapperMap;
+extern std::unordered_map<sal_uIntPtr, sal_uIntPtr> WrapperToAdapterMap;
+
+//Maps IUnknown pointers to a weak reference of the respective wrapper class (e.g.
+// IUnknownWrapperImpl. It is the responsibility of the wrapper to remove the entry when
+// it is being destroyed.
+// Used to ensure that an Automation object is always mapped to the same UNO objects.
+extern std::unordered_map<sal_uIntPtr, WeakReference<XInterface> > ComPtrToWrapperMap;
+
+// Maps XInterface pointers to a weak reference of its wrapper class (i.e.
+// InterfaceOleWrapper). It is the responsibility of the wrapper to remove the entry when
+// it is being destroyed. It is used to ensure the identity of objects. That is, a UNO interface
+// is mapped to IDispatch which is kept alive in the COM environment. If the same
+// UNO interface is mapped again to COM then the IDispach of the first mapped instance
+// must be returned.
+extern std::unordered_map<sal_uIntPtr, WeakReference<XInterface> > UnoObjToWrapperMap;
+
+// This function tries to the change the type of a value (contained in the Any)
+// to the smallest possible that can hold the value. This is actually done only
+// for types of VT_I4 (see o2u_variantToAny). The reason is the following:
+// JavaScript passes integer values always as VT_I4. If there is a parameter or
+// property of type any then the bridge converts the any's content according
+// to "o2u_variantToAny". Because the VARTYPE is VT_I4 the value would be converted
+// to TypeClass_LONG. Say the method XPropertySet::setPropertyValue( string name, any value)
+// would be called on an object and the property actually is of TypeClass_SHORT.
+// After conversion of the VARIANT parameter the Any would contain type
+// TypeClass_LONG. Because the corereflection does not cast from long to short
+// the "setPropertValue" would fail as the value has not the right type.
+
+// The corereflection does convert small integer types to bigger types.
+// Therefore we can reduce the type if possible and avoid the above mentioned
+// problem.
+
+// The function is not used when elements are to be converted for Sequences.
+
+inline void reduceRange( Any& any)
+{
+ OSL_ASSERT( any.getValueTypeClass() == TypeClass_LONG);
+
+ sal_Int32 value= *o3tl::doAccess<sal_Int32>(any);
+ if( value <= 0x7f && value >= -0x80)
+ {// -128 bis 127
+ sal_Int8 charVal= static_cast<sal_Int8>( value);
+ any.setValue( &charVal, cppu::UnoType<sal_Int8>::get());
+ }
+ else if( value <= 0x7fff && value >= -0x8000)
+ {// -32768 bis 32767
+ sal_Int16 shortVal= static_cast<sal_Int16>( value);
+ any.setValue( &shortVal, cppu::UnoType<sal_Int16>::get());
+ }
+}
+
+// createUnoObjectWrapper gets a wrapper instance by calling createUnoWrapperInstance
+ // and initializes it via XInitialization. The wrapper object is required to implement
+ // XBridgeSupplier so that it can convert itself to IDispatch.
+ // class T: Deriving class ( must implement XInterface )
+/** All methods are allowed to throw at least a BridgeRuntimeError.
+ */
+template< class >
+class UnoConversionUtilities
+{
+public:
+ explicit UnoConversionUtilities( const Reference<XMultiServiceFactory> & smgr):
+ m_nUnoWrapperClass( INTERFACE_OLE_WRAPPER_IMPL),
+ m_nComWrapperClass( IUNKNOWN_WRAPPER_IMPL),
+ m_smgr( smgr)
+ {}
+
+ UnoConversionUtilities( const Reference<XMultiServiceFactory> & xFactory, sal_uInt8 unoWrapperClass, sal_uInt8 comWrapperClass )
+ : m_nUnoWrapperClass(unoWrapperClass),
+ m_nComWrapperClass(comWrapperClass), m_smgr(xFactory)
+ {}
+
+ virtual ~UnoConversionUtilities() {}
+ /** converts only into oleautomation types, that is there is no VT_I1, VT_UI2, VT_UI4
+ a sal_Unicode character is converted into a BSTR.
+ @exception com.sun.star.lang.IllegalArgumentException
+ If the any was inappropriate for conversion.
+ @exception com.sun.star.script.CannotConvertException
+ The any contains a type class for which no conversion is provided.
+ */
+ void anyToVariant(VARIANT* pVariant, const Any& rAny);
+ void anyToVariant(VARIANT* pVariant, const Any& rAny, VARTYPE type);
+
+ /** @exception com.sun.star.lang.IllegalArgumentException
+ If rSeq does not contain a sequence then the exception is thrown.
+ */
+ SAFEARRAY* createUnoSequenceWrapper(const Any& rSeq);
+ /** @exception com.sun.star.lang.IllegalArgumentException
+ If rSeq does not contain a sequence or elemtype has no proper value
+ then the exception is thrown.
+ */
+ SAFEARRAY* createUnoSequenceWrapper(const Any& rSeq, VARTYPE elemtype);
+ /**
+ @exception com.sun.star.lang.IllegalArgumentException
+ If rObj does not contain a struct or interface
+ */
+ void createUnoObjectWrapper(const Any & rObj, VARIANT * pVar);
+ /** @exception CannotConvertException
+ Thrown if the VARIANT contains a type that cannot be coerced in the expected Any.
+ ArgumentIndex is 0.
+ @IllegalArgumentException
+ Thrown if the VARIANT is inappropriate for conversion. ArgumentPosition is -1,
+ */
+ void variantToAny(const VARIANT* pVariant, Any& rAny, bool bReduceValueRange = true);
+ /** This method converts variants arguments in calls from COM -> UNO. Only then
+ the expected UNO type is known.
+ @exception CannotConvertException
+ Thrown if the VARIANT contains a type that cannot be coerced in the expected Any.
+ ArgumentIndex is 0.
+ @IllegalArgumentException
+ Thrown if the VARIANT is inappropriate for conversion. ArgumentPosition is -1,
+ */
+ void variantToAny( const VARIANTARG* pArg, Any& rAny, const Type& ptype, bool bReduceValueRange = true);
+
+ /**
+ @exception IllegalArgumentException
+ -if pVar does not contain VT_UNKNOWN or VT_DISPATCH or
+ pVar is used for a particular UNO type which is not supported by pVar
+ */
+ Any createOleObjectWrapper(VARIANT* pVar, const Type& aType= Type());
+
+ /*
+ Return true means var contained a ValueObject, and it was successfully converted.
+ The result is in any. It an error occurred a BridgeRuntimeError will be thrown.
+ */
+ bool convertValueObject( const VARIANTARG *var, Any& any);
+ void dispatchExObject2Sequence( const VARIANTARG* pvar, Any& anySeq, const Type& type);
+
+ Sequence<Any> createOleArrayWrapperOfDim(SAFEARRAY* pArray, unsigned int dimCount, unsigned int actDim, LONG* index,
+ VARTYPE type, const Type& unotype);
+ Sequence<Any> createOleArrayWrapper(SAFEARRAY* pArray, VARTYPE type, const Type& unotype= Type());
+
+
+ VARTYPE mapTypeClassToVartype( TypeClass type);
+ Reference< XSingleServiceFactory > getInvocationFactory(const Any& anyObject);
+
+
+ virtual Reference< XInterface > createUnoWrapperInstance()=0;
+ virtual Reference< XInterface > createComWrapperInstance()=0;
+
+ static bool isJScriptArray(const VARIANT* pvar);
+
+ Sequence<Type> getImplementedInterfaces(IUnknown* pUnk);
+
+protected:
+ Reference<XInterface> createAdapter(const Sequence<Type>& types, const Reference<XInterface>& receiver);
+
+ // helper function for Sequence conversion
+ void getElementCountAndTypeOfSequence( const Any& rSeq, sal_Int32 dim, Sequence< sal_Int32 >& seqElementCounts, TypeDescription& typeDesc);
+ // helper function for Sequence conversion
+ static bool incrementMultidimensionalIndex(sal_Int32 dimensions, const sal_Int32 * parDimensionLength,
+ sal_Int32 * parMultidimensionalIndex);
+ // helper function for Sequence conversion
+ static size_t getOleElementSize( VARTYPE type);
+
+ static Type getElementTypeOfSequence( const Type& seqType);
+
+ //Provides a typeconverter
+ Reference<XTypeConverter> getTypeConverter();
+
+ // This member determines what class is used to convert a UNO object
+ // or struct to a COM object. It is passed along to the anyToVariant
+ // function in the createBridge function implementation
+ const sal_uInt8 m_nUnoWrapperClass;
+ const sal_uInt8 m_nComWrapperClass;
+
+ // The servicemanager is either a local smgr or remote when the service
+ // com.sun.star.bridge.OleBridgeSupplierVar1 is used. This service can be
+ // created by createInstanceWithArguments where one can supply a service
+ // manager that is to be used.
+ // Local service manager as supplied by the loader when the creator function
+ // of the service is being called.
+ Reference<XMultiServiceFactory> m_smgr;
+ // An explicitly supplied service manager when the service
+ // com.sun.star.bridge.OleBridgeSupplierVar1 is used. That can be a remote
+ // manager.
+ Reference<XMultiServiceFactory> m_smgrRemote;
+ Reference<XSingleServiceFactory> m_xInvocationFactoryLocal;
+ Reference<XSingleServiceFactory> m_xInvocationFactoryRemote;
+
+private:
+ // Holds the type converter which is used for sequence conversion etc.
+ // Use the getTypeConverter function to obtain the interface.
+ Reference<XTypeConverter> m_typeConverter;
+
+
+};
+
+// ask the object for XBridgeSupplier2 and on success bridges
+// the uno object to IUnknown or IDispatch.
+// return true the UNO object supports
+template < class T >
+bool convertSelfToCom( T& unoInterface, VARIANT * pVar)
+{
+ bool ret = false;
+ Reference< XInterface > xInt( unoInterface, UNO_QUERY);
+ if( xInt.is())
+ {
+ Reference< css::bridge::XBridgeSupplier2 > xSupplier( xInt, UNO_QUERY);
+ if( xSupplier.is())
+ {
+ sal_Int8 arId[16];
+ rtl_getGlobalProcessId( reinterpret_cast<sal_uInt8*>(arId));
+ Sequence<sal_Int8> seqId( arId, 16);
+ Any anySource;
+ anySource <<= xInt;
+ Any anyDisp = xSupplier->createBridge(
+ anySource, seqId, css::bridge::ModelDependent::UNO,
+ css::bridge::ModelDependent::OLE);
+
+ // due to global-process-id check this must be in-process pointer
+ if (auto v = o3tl::tryAccess<sal_uIntPtr>(anyDisp))
+ {
+ VARIANT* pvariant= reinterpret_cast<VARIANT*>(*v);
+ HRESULT hr;
+ if (FAILED(hr = VariantCopy(pVar, pvariant)))
+ throw BridgeRuntimeError(
+ "[automation bridge] convertSelfToCom\n"
+ "VariantCopy failed! Error: " +
+ OUString::number(hr));
+ VariantClear( pvariant);
+ CoTaskMemFree( pvariant);
+ ret = true;
+ }
+ }
+ }
+ return ret;
+}
+
+
+// Gets the invocation factory depending on the Type in the Any.
+// The factory can be created by a local or remote multi service factory.
+// In case there is a remote multi service factory available there are
+// some services or types for which the local factory is used. The exceptions
+// are: all structs.
+// Param anyObject - contains the object ( interface, struct) for what we need an invocation object.
+
+template<class T>
+Reference< XSingleServiceFactory > UnoConversionUtilities<T>::getInvocationFactory(const Any& anyObject)
+{
+ Reference< XSingleServiceFactory > retVal;
+ MutexGuard guard( getBridgeMutex());
+ if( anyObject.getValueTypeClass() != TypeClass_STRUCT &&
+ m_smgrRemote.is() )
+ {
+ if( ! m_xInvocationFactoryRemote.is() )
+ m_xInvocationFactoryRemote.set(m_smgrRemote->createInstance( INVOCATION_SERVICE), UNO_QUERY);
+ retVal= m_xInvocationFactoryRemote;
+ }
+ else
+ {
+ if( ! m_xInvocationFactoryLocal.is() )
+ m_xInvocationFactoryLocal.set(m_smgr->createInstance(INVOCATION_SERVICE ), UNO_QUERY);
+ retVal= m_xInvocationFactoryLocal;
+ }
+ return retVal;
+}
+
+template<class T>
+void UnoConversionUtilities<T>::variantToAny( const VARIANTARG* pArg, Any& rAny, const Type& ptype, bool bReduceValueRange /* = sal_True */)
+{
+ try
+ {
+ HRESULT hr;
+ bool bFail = false;
+ bool bCannotConvert = false;
+ CComVariant var;
+
+ // There is no need to support indirect values, since they're not supported by UNO
+ if( FAILED(hr= VariantCopyInd( &var, pArg))) // remove VT_BYREF
+ throw BridgeRuntimeError(
+ "[automation bridge] UnoConversionUtilities<T>::variantToAny \n"
+ "VariantCopyInd failed for reason : " + OUString::number(hr));
+ bool bHandled = convertValueObject( & var, rAny);
+ if( bHandled)
+ OSL_ENSURE( rAny.getValueType() == ptype, "type in Value Object must match the type parameter");
+
+ if( ! bHandled)
+ {
+ // convert into a variant type that is the equivalent to the type
+ // the sequence expects. Thus variantToAny produces the correct type
+ // E.g. An Array object contains VT_I4 and the sequence expects shorts
+ // than the vartype must be changed. The reason is, you can't specify the
+ // type in JavaScript and the script engine determines the type being used.
+ switch( ptype.getTypeClass())
+ {
+ case TypeClass_CHAR: // could be: new Array( 12, 'w', "w")
+ if( var.vt == VT_BSTR)
+ {
+ if(SUCCEEDED( hr= VariantChangeType( &var, &var, 0, VT_BSTR)))
+ rAny.setValue( V_BSTR( &var), ptype);
+ else if (hr == DISP_E_TYPEMISMATCH)
+ bCannotConvert = true;
+ else
+ bFail = true;
+ }
+ else
+ {
+ if(SUCCEEDED(hr = VariantChangeType( & var, &var, 0, VT_I2)))
+ rAny.setValue(& var.iVal, ptype);
+ else if (hr == DISP_E_TYPEMISMATCH)
+ bCannotConvert = true;
+ else
+ bFail = true;
+ }
+ break;
+ case TypeClass_INTERFACE: // could also be an IUnknown
+ case TypeClass_STRUCT:
+ {
+ rAny = createOleObjectWrapper( & var, ptype);
+ break;
+ }
+ case TypeClass_ENUM:
+ if(SUCCEEDED(hr = VariantChangeType( & var, &var, 0, VT_I4)))
+ rAny.setValue(& var.lVal, ptype);
+ else if (hr == DISP_E_TYPEMISMATCH)
+ bCannotConvert = true;
+ else
+ bFail = true;
+ break;
+ case TypeClass_SEQUENCE:
+ // There are different ways of receiving a sequence:
+ // 1: JScript, VARTYPE: VT_DISPATCH
+ // 2. VBScript simple arraysVT_VARIANT|VT_BYREF the referenced VARIANT contains
+ // a VT_ARRAY| <type>
+ // 3. VBScript multi dimensional arrays: VT_ARRAY|VT_BYREF
+ if( pArg->vt == VT_DISPATCH)
+ {
+ dispatchExObject2Sequence( pArg, rAny, ptype);
+ }
+ else
+ {
+ if ((var.vt & VT_ARRAY) != 0)
+ {
+ VARTYPE oleType = ::sal::static_int_cast< VARTYPE, int >( var.vt ^ VT_ARRAY );
+ Sequence<Any> unoSeq = createOleArrayWrapper( var.parray, oleType, ptype);
+ Reference<XTypeConverter> conv = getTypeConverter();
+ if (conv.is())
+ {
+ try
+ {
+ Any anySeq(unoSeq);
+ Any convAny = conv->convertTo(anySeq, ptype);
+ rAny = convAny;
+ }
+ catch (const IllegalArgumentException& e)
+ {
+ throw BridgeRuntimeError(
+ "[automation bridge]com.sun.star.lang.IllegalArgumentException "
+ "in UnoConversionUtilities<T>::variantToAny! Message: " +
+ e.Message);
+ }
+ catch (const CannotConvertException& e)
+ {
+ throw BridgeRuntimeError(
+ "[automation bridge]com.sun.star.script.CannotConvertException "
+ "in UnoConversionUtilities<T>::variantToAny! Message: " +
+ e.Message);
+ }
+ }
+ }
+ }
+ break;
+ case TypeClass_VOID:
+ rAny.setValue(nullptr,Type());
+ break;
+ case TypeClass_ANY: // Any
+ // There could be a JScript Array that needs special handling
+ // If an Any is expected and this Any must contain a Sequence
+ // then we cannot figure out what element type is required.
+ // Therefore we convert to Sequence< Any >
+ if( pArg->vt == VT_DISPATCH && isJScriptArray( pArg))
+ {
+ dispatchExObject2Sequence( pArg, rAny,
+ cppu::UnoType<Sequence<Any>>::get());
+ }
+ else if (pArg->vt == VT_DECIMAL)
+ {
+ //Decimal maps to hyper in calls from COM -> UNO
+ // It does not matter if we create a sal_uInt64 or sal_Int64,
+ // because the UNO object is called through invocation which
+ //will do a type conversion if necessary
+ if (var.decVal.sign == 0)
+ {
+ // positive value
+ variantToAny( & var, rAny, cppu::UnoType<sal_uInt64>::get(),
+ bReduceValueRange);
+ }
+ else
+ {
+ //negative value
+ variantToAny( & var, rAny, cppu::UnoType<sal_Int64>::get(),
+ bReduceValueRange);
+ }
+ }
+ else
+ {
+ variantToAny( & var, rAny);
+ }
+ break;
+ case TypeClass_BOOLEAN: // VARIANT could be VARIANT_BOOL or other
+ if(SUCCEEDED(hr = VariantChangeType( & var, &var, 0, VT_BOOL)))
+ variantToAny( & var, rAny);
+ else if (hr == DISP_E_TYPEMISMATCH)
+ bCannotConvert = true;
+ else
+ bFail = true;
+ break;
+ case TypeClass_STRING: // UString
+ if(var.vt == VT_NULL)
+ var = CComBSTR("");
+ if(SUCCEEDED(hr = VariantChangeType( & var, &var, 0, VT_BSTR)))
+ variantToAny( & var, rAny);
+ else if (hr == DISP_E_TYPEMISMATCH)
+ bCannotConvert = true;
+ else
+ bFail = true;
+ break;
+ case TypeClass_FLOAT: // float
+ if(SUCCEEDED(hr = VariantChangeType( & var, &var, 0, VT_R4)))
+ variantToAny( & var, rAny);
+ else if (hr == DISP_E_TYPEMISMATCH)
+ bCannotConvert = true;
+ else
+ bFail = true;
+ break;
+ case TypeClass_DOUBLE: // double
+ if(SUCCEEDED(hr = VariantChangeType( & var, &var, 0, VT_R8)))
+ variantToAny(& var, rAny);
+ else if (hr == DISP_E_TYPEMISMATCH)
+ bCannotConvert = true;
+ else
+ bFail = true;
+ break;
+ case TypeClass_BYTE: // BYTE
+ if(SUCCEEDED(hr = VariantChangeType( & var, &var, 0, VT_I1)))
+ variantToAny( & var, rAny);
+ else if (hr == DISP_E_TYPEMISMATCH)
+ bCannotConvert = true;
+ else
+ bFail = true;
+ break;
+ case TypeClass_SHORT: // INT16
+ if(SUCCEEDED(hr = VariantChangeType( & var, &var, 0, VT_I2)))
+ variantToAny( & var, rAny);
+ else if (hr == DISP_E_TYPEMISMATCH)
+ bCannotConvert = true;
+ else
+ bFail = true;
+ break;
+ case TypeClass_LONG:
+ if(SUCCEEDED(hr = VariantChangeType(& var, &var, 0, VT_I4)))
+ variantToAny( & var, rAny, bReduceValueRange);
+ else if (hr == DISP_E_TYPEMISMATCH)
+ bCannotConvert = true;
+ else
+ bFail = true;
+ break;
+ case TypeClass_HYPER:
+ if(SUCCEEDED(hr = VariantChangeType(& var, &var, 0, VT_DECIMAL)))
+ {
+ if (var.decVal.Lo64 > SAL_CONST_UINT64(0x8000000000000000)
+ || var.decVal.Hi32 > 0
+ || var.decVal.scale > 0)
+ {
+ bFail = true;
+ break;
+ }
+ sal_Int64 value = var.decVal.Lo64;
+ if (var.decVal.sign == DECIMAL_NEG)
+ value |= SAL_CONST_UINT64(0x8000000000000000);
+ rAny <<= value;
+ }
+ else if (hr == DISP_E_TYPEMISMATCH)
+ bCannotConvert = true;
+ else
+ bFail = true;
+ break;
+ case TypeClass_UNSIGNED_SHORT: // UINT16
+ if(SUCCEEDED(hr = VariantChangeType( & var, &var, 0, VT_UI2)))
+ variantToAny( & var, rAny);
+ else if (hr == DISP_E_TYPEMISMATCH)
+ bCannotConvert = true;
+ else
+ bFail = true;
+ break;
+ case TypeClass_UNSIGNED_LONG:
+ if(SUCCEEDED(hr = VariantChangeType( & var, &var, 0, VT_UI4)))
+ variantToAny( & var, rAny, bReduceValueRange);
+ else if (hr == DISP_E_TYPEMISMATCH)
+ bCannotConvert = true;
+ else
+ bFail = true;
+ break;
+ case TypeClass_UNSIGNED_HYPER:
+ if(SUCCEEDED(hr = VariantChangeType(& var, &var, 0, VT_DECIMAL)))
+ {
+ if (var.decVal.Hi32 > 0 || var.decVal.scale > 0)
+ {
+ bFail = true;
+ break;
+ }
+ rAny <<= var.decVal.Lo64;
+ }
+ else if (hr == DISP_E_TYPEMISMATCH)
+ bCannotConvert = true;
+ else
+ bFail = true;
+ break;
+ case TypeClass_TYPE:
+ if(SUCCEEDED(hr = VariantChangeType(& var, &var, 0, VT_UNKNOWN)))
+ variantToAny( & var, rAny);
+ else if (hr == DISP_E_TYPEMISMATCH)
+ bCannotConvert = true;
+ else
+ bFail = true;
+ break;
+ default:
+ bCannotConvert = true;
+ break;
+ }
+ }
+ if (bCannotConvert)
+ throw CannotConvertException(
+ "[automation bridge]UnoConversionUtilities<T>::variantToAny \n"
+ "Cannot convert the value of vartype :\"" +
+ OUString::number(static_cast<sal_Int32>(var.vt)) +
+ "\" to the expected UNO type of type class: " +
+ OUString::number(static_cast<sal_Int32>(ptype.getTypeClass())),
+ nullptr, TypeClass_UNKNOWN, FailReason::TYPE_NOT_SUPPORTED,0);
+
+ if (bFail)
+ throw IllegalArgumentException(
+ "[automation bridge]UnoConversionUtilities<T>:variantToAny\n"
+ "The provided VARIANT of type\" " + OUString::number(static_cast<sal_Int32>(var.vt)) +
+ "\" is unappropriate for conversion!", Reference<XInterface>(), -1);
+ }
+ catch (const CannotConvertException &)
+ {
+ throw;
+ }
+ catch (const IllegalArgumentException &)
+ {
+ throw;
+ }
+ catch (const BridgeRuntimeError &)
+ {
+ throw;
+ }
+ catch (const Exception & e)
+ {
+ throw BridgeRuntimeError("[automation bridge] unexpected exception in "
+ "UnoConversionUtilities<T>::variantToAny ! Message : \n" +
+ e.Message);
+ }
+ catch(...)
+ {
+ throw BridgeRuntimeError(
+ "[automation bridge] unexpected exception in "
+ "UnoConversionUtilities<T>::variantToAny !");
+ }
+}
+
+// The function only converts Sequences to SAFEARRAYS with elements of the type
+// specified by the parameter type. Everything else is forwarded to
+// anyToVariant(VARIANT* pVariant, const Any& rAny)
+// Param type must not be VT_BYREF
+template<class T>
+void UnoConversionUtilities<T>::anyToVariant(VARIANT* pVariant, const Any& rAny, VARTYPE type)
+{
+ try
+ {
+ HRESULT hr= S_OK;
+
+ OSL_ASSERT( (type & VT_BYREF) == 0);
+ if (type & VT_ARRAY)
+ {
+ type ^= VT_ARRAY;
+ SAFEARRAY* ar= createUnoSequenceWrapper( rAny, type);
+ if( ar)
+ {
+ VariantClear( pVariant);
+ pVariant->vt= ::sal::static_int_cast< VARTYPE, int >( VT_ARRAY | type );
+ pVariant->byref= ar;
+ }
+ }
+ else if(type == VT_VARIANT)
+ {
+ anyToVariant(pVariant, rAny);
+ }
+ else
+ {
+ CComVariant var;
+ anyToVariant( &var, rAny);
+ if(FAILED(hr = VariantChangeType(&var, &var, 0, type)))
+ {
+ if (hr == DISP_E_TYPEMISMATCH)
+ throw CannotConvertException(
+ "[automation bridge]UnoConversionUtilities<T>::anyToVariant \n"
+ "Cannot convert the value of type :\"" +
+ rAny.getValueTypeName() +
+ "\" to the expected Automation type of VARTYPE: " +
+ OUString::number(static_cast<sal_Int32>(type)),
+ nullptr, TypeClass_UNKNOWN, FailReason::TYPE_NOT_SUPPORTED,0);
+
+ throw BridgeRuntimeError(
+ "[automation bridge]UnoConversionUtilities<T>::anyToVariant \n"
+ "Conversion of any with " +
+ rAny.getValueType().getTypeName() +
+ " to VARIANT with type: " + OUString::number(static_cast<sal_Int32>(type)) +
+ " failed! Error code: " + OUString::number(hr));
+
+ }
+ if(FAILED(hr = VariantCopy(pVariant, &var)))
+ {
+ throw BridgeRuntimeError(
+ "[automation bridge]UnoConversionUtilities<T>::anyToVariant \n"
+ "VariantCopy failed for reason: " + OUString::number(hr));
+ }
+ }
+ }
+ catch (const IllegalArgumentException &)
+ {
+ throw;
+ }
+ catch (const CannotConvertException &)
+ {
+ throw;
+ }
+ catch (const BridgeRuntimeError&)
+ {
+ throw;
+ }
+ catch(const Exception & e)
+ {
+ throw BridgeRuntimeError(
+ "[automation bridge]UnoConversionUtilities<T>::anyToVariant \n"
+ "Unexpected exception occurred. Message: " + e.Message);
+ }
+ catch(...)
+ {
+ throw BridgeRuntimeError(
+ "[automation bridge]UnoConversionUtilities<T>::anyToVariant \n"
+ "Unexpected exception occurred.");
+ }
+}
+
+template<class T>
+void UnoConversionUtilities<T>::anyToVariant(VARIANT* pVariant, const Any& rAny)
+{
+ try
+ {
+ bool bIllegal = false;
+ switch (rAny.getValueTypeClass())
+ {
+ case TypeClass_INTERFACE:
+ {
+ Reference<XInterface> xInt;
+ if (rAny >>= xInt)
+ {
+ createUnoObjectWrapper(rAny, pVariant);
+ }
+ else
+ {
+ bIllegal = true;
+ }
+ break;
+ }
+ case TypeClass_STRUCT:
+ {
+ if (rAny.getValueType() == cppu::UnoType<Date>::get() )
+ {
+ Date d;
+ if (rAny >>= d)
+ {
+ pVariant->vt = VT_DATE;
+ pVariant->date = d.Value;
+ }
+ else
+ {
+ bIllegal = true;
+ }
+ }
+ else if(rAny.getValueType() == cppu::UnoType<Decimal>::get())
+ {
+ Decimal d;
+ if (rAny >>= d)
+ {
+ pVariant->vt = VT_DECIMAL;
+ pVariant->decVal.scale = d.Scale;
+ pVariant->decVal.sign = d.Sign;
+ pVariant->decVal.Lo32 = d.LowValue;
+ pVariant->decVal.Mid32 = d.MiddleValue;
+ pVariant->decVal.Hi32 = d.HighValue;
+ }
+ else
+ {
+ bIllegal = true;
+ }
+ }
+ else if (rAny.getValueType() == cppu::UnoType<Currency>::get())
+ {
+ Currency c;
+ if (rAny >>= c)
+ {
+ pVariant->vt = VT_CY;
+ pVariant->cyVal.int64 = c.Value;
+ }
+ else
+ {
+ bIllegal = true;
+ }
+ }
+ else if(rAny.getValueType() == cppu::UnoType<SCode>::get())
+ {
+ SCode s;
+ if (rAny >>= s)
+ {
+ pVariant->vt = VT_ERROR;
+ pVariant->scode = s.Value;
+ }
+ else
+ {
+ bIllegal = true;
+ }
+ }
+ else
+ {
+ createUnoObjectWrapper(rAny, pVariant);
+ }
+ break;
+ }
+ case TypeClass_SEQUENCE: // sequence ??? SafeArray descriptor
+ {
+ SAFEARRAY* pArray = createUnoSequenceWrapper(rAny);
+ if (pArray)
+ {
+ V_VT(pVariant) = VT_ARRAY | VT_VARIANT;
+ V_ARRAY(pVariant) = pArray;
+ }
+ else
+ {
+ bIllegal = true;
+ }
+ break;
+ }
+ case TypeClass_VOID:
+ {
+ HRESULT hr = S_OK;
+ if (FAILED(hr = VariantClear(pVariant)))
+ {
+ throw BridgeRuntimeError(
+ "[automation bridge]UnoConversionUtilities<T>::anyToVariant\n"
+ "VariantClear failed with error:" + OUString::number(hr));
+ }
+ break;
+ }
+ case TypeClass_BOOLEAN:
+ {
+ bool value;
+ if (rAny >>= value)
+ {
+ pVariant->vt = VT_BOOL;
+ pVariant->boolVal = value ? VARIANT_TRUE: VARIANT_FALSE;
+ }
+ else
+ {
+ bIllegal = true;
+ }
+ break;
+ }
+ case TypeClass_CHAR:
+ {
+ // Because VT_UI2 does not conform to oleautomation we convert into VT_I2 instead
+ sal_uInt16 value = *o3tl::forceAccess<sal_Unicode>(rAny);
+ pVariant->vt = VT_I2;
+ pVariant->iVal = value;
+ break;
+ }
+ case TypeClass_STRING:
+ {
+ OUString value;
+ if (rAny >>= value)
+ {
+ pVariant->vt = VT_BSTR;
+ pVariant->bstrVal = SysAllocString(o3tl::toW(value.getStr()));
+ }
+ else
+ {
+ bIllegal = true;
+ }
+ break;
+ }
+ case TypeClass_FLOAT:
+ {
+ float value;
+ if (rAny >>= value)
+ {
+ pVariant->vt = VT_R4;
+ pVariant->fltVal = value;
+ }
+ else
+ {
+ bIllegal = true;
+ }
+ break;
+ }
+ case TypeClass_DOUBLE:
+ {
+ double value;
+ if (rAny >>= value)
+ {
+ pVariant->vt = VT_R8;
+ pVariant->dblVal = value;
+ }
+ else
+ {
+ bIllegal = true;
+ }
+ break;
+ }
+ case TypeClass_BYTE:
+ {
+ // ole automation does not know a signed char but only unsigned char
+ sal_Int8 value;
+ if (rAny >>= value)
+ {
+ pVariant->vt = VT_UI1;
+ pVariant->bVal = value;
+ }
+ else
+ {
+ bIllegal = true;
+ }
+ break;
+ }
+ case TypeClass_SHORT: // INT16
+ case TypeClass_UNSIGNED_SHORT: // UINT16
+ {
+ sal_Int16 value;
+ if (rAny >>= value)
+ {
+ pVariant->vt = VT_I2;
+ pVariant->iVal = value;
+ }
+ else
+ {
+ bIllegal = true;
+ }
+ break;
+ }
+ case TypeClass_ENUM:
+ {
+ sal_Int32 value = *static_cast<sal_Int32 const *>(rAny.getValue());
+ pVariant->vt = VT_I4;
+ pVariant->lVal= value;
+ break;
+ }
+ case TypeClass_LONG:
+ case TypeClass_UNSIGNED_LONG:
+ {
+ sal_Int32 value;
+ if (rAny >>= value)
+ {
+ pVariant->vt = VT_I4;
+ pVariant->lVal= value;
+ }
+ else
+ {
+ bIllegal = true;
+ }
+ break;
+ }
+ case TypeClass_HYPER:
+ {
+
+ pVariant->vt = VT_DECIMAL;
+ pVariant->decVal.scale = 0;
+ pVariant->decVal.sign = 0;
+ pVariant->decVal.Hi32 = 0;
+
+ sal_Int64 value;
+ rAny >>= value;
+
+ if (value & SAL_CONST_UINT64(0x8000000000000000))
+ pVariant->decVal.sign = DECIMAL_NEG;
+
+ pVariant->decVal.Lo64 = value;
+ break;
+ }
+ case TypeClass_UNSIGNED_HYPER:
+ {
+ pVariant->vt = VT_DECIMAL;
+ pVariant->decVal.scale = 0;
+ pVariant->decVal.sign = 0;
+ pVariant->decVal.Hi32 = 0;
+
+ sal_uInt64 value;
+ rAny >>= value;
+ pVariant->decVal.Lo64 = value;
+ break;
+ }
+ case TypeClass_TYPE:
+ {
+ Type type;
+ rAny >>= type;
+ CComVariant var;
+ if (!createUnoTypeWrapper(type.getTypeName(), & var))
+ throw BridgeRuntimeError(
+ "[automation bridge] UnoConversionUtilities<T>::anyToVariant \n"
+ "Error during conversion of UNO type to Automation object!");
+
+ if (FAILED(VariantCopy(pVariant, &var)))
+ throw BridgeRuntimeError(
+ "[automation bridge] UnoConversionUtilities<T>::anyToVariant \n"
+ "Unexpected error!");
+ break;
+ }
+ default:
+ //TypeClass_SERVICE:
+ //TypeClass_EXCEPTION:
+ //When an InvocationTargetException is thrown when calling XInvocation::invoke
+ //on a UNO object, then the target exception is directly used to create a
+ //EXEPINFO structure
+ //TypeClass_TYPEDEF
+ //TypeClass_ANY:
+ //TypeClass_UNKNOWN:
+ //TypeClass_MODULE:
+ throw CannotConvertException(
+ "[automation bridge]UnoConversionUtilities<T>::anyToVariant\n"
+ "There is no conversion for this UNO type to an Automation type."
+ "The destination type class is the type class of the UNO "
+ "argument which was to be converted.",
+ Reference<XInterface>(), rAny.getValueTypeClass(),
+ FailReason::TYPE_NOT_SUPPORTED, 0);
+
+ break;
+ }
+ if (bIllegal)
+ {
+ throw IllegalArgumentException(
+ "[automation bridge]UnoConversionUtilities<T>::anyToVariant\n"
+ "The provided any of type\" " + rAny.getValueType().getTypeName() +
+ "\" is unappropriate for conversion!", Reference<XInterface>(), -1);
+
+ }
+ }
+ catch (const CannotConvertException &)
+ {
+ throw;
+ }
+ catch (const IllegalArgumentException &)
+ {
+ throw;
+ }
+ catch(const BridgeRuntimeError&)
+ {
+ throw;
+ }
+ catch(const Exception & e)
+ {
+ throw BridgeRuntimeError(
+ "[automation bridge]UnoConversionUtilities<T>::anyToVariant \n"
+ "Unexpected exception occurred. Message: " + e.Message);
+ }
+ catch(...)
+ {
+ throw BridgeRuntimeError(
+ "[automation bridge]UnoConversionUtilities<T>::anyToVariant \n"
+ "Unexpected exception occurred. " );
+ }
+}
+
+// Creates an SAFEARRAY of the specified element and if necessary
+// creates a SAFEARRAY with multiple dimensions.
+// Used by sal_Bool anyToVariant(VARIANT* pVariant, const Any& rAny, VARTYPE type);
+template<class T>
+SAFEARRAY* UnoConversionUtilities<T>::createUnoSequenceWrapper(const Any& rSeq, VARTYPE elemtype)
+{
+ if (rSeq.getValueTypeClass() != TypeClass_SEQUENCE)
+ throw IllegalArgumentException(
+ "[automation bridge]UnoConversionUtilities<T>::createUnoSequenceWrapper \n"
+ "The any does not contain a sequence!", nullptr, 0);
+ if (elemtype == VT_NULL || elemtype == VT_EMPTY)
+ throw IllegalArgumentException(
+ "[automation bridge]UnoConversionUtilities<T>::createUnoSequenceWrapper \n"
+ "No element type supplied!",nullptr, -1);
+ SAFEARRAY* pArray= nullptr;
+ // Get the dimensions. This is done by examining the type name string
+ // The count of brackets determines the dimensions.
+ OUString sTypeName= rSeq.getValueType().getTypeName();
+ sal_Int32 dims=0;
+ for(sal_Int32 lastIndex=0;(lastIndex= sTypeName.indexOf( L'[', lastIndex)) != -1; lastIndex++,dims++);
+
+ //get the maximum number of elements per dimensions and the typedescription of the elements
+ Sequence<sal_Int32> seqElementCounts( dims);
+ TypeDescription elementTypeDesc;
+ getElementCountAndTypeOfSequence( rSeq, 1, seqElementCounts, elementTypeDesc );
+
+ if( elementTypeDesc.is() )
+ {
+ // set up the SAFEARRAY
+ std::unique_ptr<SAFEARRAYBOUND[]> sarSafeArrayBound(new SAFEARRAYBOUND[dims]);
+ SAFEARRAYBOUND* prgsabound= sarSafeArrayBound.get();
+ for( sal_Int32 i=0; i < dims; i++)
+ {
+ //prgsabound[0] is the right most dimension
+ prgsabound[dims - i - 1].lLbound = 0;
+ prgsabound[dims - i - 1].cElements = seqElementCounts[i];
+ }
+
+ typelib_TypeDescription* rawTypeDesc= elementTypeDesc.get();
+ sal_Int32 elementSize= rawTypeDesc->nSize;
+ size_t oleElementSize= getOleElementSize( elemtype);
+ // SafeArrayCreate clears the memory for the data itself.
+ pArray = SafeArrayCreate(elemtype, dims, prgsabound);
+
+ // convert the Sequence's elements and populate the SAFEARRAY
+ if( pArray)
+ {
+ // Iterate over every Sequence that contains the actual elements
+ void* pSAData;
+ if( SUCCEEDED( SafeArrayAccessData( pArray, &pSAData)))
+ {
+ const sal_Int32* parElementCount= seqElementCounts.getConstArray();
+ uno_Sequence * pMultiSeq= *static_cast<uno_Sequence* const*>(rSeq.getValue());
+ sal_Int32 dimsSeq= dims - 1;
+
+ // arDimSeqIndices contains the current index of a block of data.
+ // E.g. Sequence<Sequence<sal_Int32>> , the index would refer to Sequence<sal_Int32>
+ // In this case arDimSeqIndices would have the size 1. That is the elements are not counted
+ // but the Sequences that contain those elements.
+ // The indices are 0 based
+ std::unique_ptr<sal_Int32[]> sarDimsSeqIndices;
+ sal_Int32* arDimsSeqIndices= nullptr;
+ if( dimsSeq > 0)
+ {
+ sarDimsSeqIndices.reset(new sal_Int32[dimsSeq]);
+ arDimsSeqIndices = sarDimsSeqIndices.get();
+ memset( arDimsSeqIndices, 0, sizeof( sal_Int32 ) * dimsSeq);
+ }
+
+ char* psaCurrentData= static_cast<char*>(pSAData);
+
+ do
+ {
+ // Get the Sequence at the current index , see arDimsSeqIndices
+ uno_Sequence * pCurrentSeq= pMultiSeq;
+ sal_Int32 curDim=1; // 1 based
+ bool skipSeq= false;
+ while( curDim <= dimsSeq )
+ {
+ // get the Sequence at the index if valid
+ if( pCurrentSeq->nElements > arDimsSeqIndices[ curDim - 1] ) // don't point to Nirvana
+ {
+ // size of Sequence is 4
+ sal_Int32 offset= arDimsSeqIndices[ curDim - 1] * 4;
+ pCurrentSeq= *reinterpret_cast<uno_Sequence**>(&pCurrentSeq->elements[ offset]);
+ curDim++;
+ }
+ else
+ {
+ // There is no Sequence at this index, so skip this index
+ skipSeq= true;
+ break;
+ }
+ }
+
+ if( skipSeq)
+ continue;
+
+ // Calculate the current position within the datablock of the SAFEARRAY
+ // for the next Sequence.
+ sal_Int32 memOffset= 0;
+ sal_Int32 dimWeight= parElementCount[ dims - 1]; // size of the rightmost dimension
+ for(sal_Int32 idims=0; idims < dimsSeq; idims++ )
+ {
+ memOffset+= arDimsSeqIndices[dimsSeq - 1 - idims] * dimWeight;
+ // now determine the weight of the dimension to the left of the current.
+ if( dims - 2 - idims >=0)
+ dimWeight*= parElementCount[dims - 2 - idims];
+ }
+ psaCurrentData= static_cast<char*>(pSAData) + memOffset * oleElementSize;
+ // convert the Sequence and put the elements into the Safearray
+ for( sal_Int32 i= 0; i < pCurrentSeq->nElements; i++)
+ {
+ Any unoElement( pCurrentSeq->elements + i * elementSize, rawTypeDesc );
+ // The any is being converted into a VARIANT which value is then copied
+ // to the SAFEARRAY's data block. When copying one has to follow the rules for
+ // copying certain types, as are VT_DISPATCH, VT_UNKNOWN, VT_VARIANT, VT_BSTR.
+ // To increase performance, we just do a memcpy of VARIANT::byref. This is possible
+ // because anyToVariant has already followed the copying rules. To make this
+ // work there must not be a VariantClear.
+ // One Exception is VARIANT because I don't know how VariantCopy works.
+
+ VARIANT var;
+ VariantInit( &var);
+ anyToVariant( &var, unoElement);
+ if( elemtype == VT_VARIANT )
+ {
+ VariantCopy( reinterpret_cast<VARIANT*>(psaCurrentData), &var);
+ VariantClear( &var);
+ }
+ else
+ memcpy( psaCurrentData, &var.byref, oleElementSize);
+
+ psaCurrentData+= oleElementSize;
+ }
+ }
+ while( incrementMultidimensionalIndex( dimsSeq, parElementCount, arDimsSeqIndices));
+
+ SafeArrayUnaccessData( pArray);
+ }
+ }
+ }
+ return pArray;
+}
+
+// Increments a multi dimensional index.
+// Returns true as long as the index has been successfully incremented, false otherwise.
+// False is also returned if an overflow of the most significant dimension occurs. E.g.
+// assume an array with the dimensions (2,2), then the lowest index is (0,0) and the highest
+// index is (1,1). If the function is being called with the index (1,1) then the overflow would
+// occur, with the result (0,0) and a sal_False as return value.
+// Param dimensions - number of dimensions
+// Param parDimensionsLength - The array contains the size of each dimension, that is the
+// size of the array equals the parameter dimensions.
+// The rightmost dimensions is the least significant one
+// ( parDimensionsLengths[ dimensions -1 ] ).
+// Param parMultiDimensionalIndex - The array contains the index. Each dimension index is
+// 0 based.
+template<class T>
+bool UnoConversionUtilities<T>::incrementMultidimensionalIndex(sal_Int32 dimensions,
+ const sal_Int32 * parDimensionLengths,
+ sal_Int32 * parMultidimensionalIndex)
+{
+ if( dimensions < 1)
+ return false;
+
+ bool ret= true;
+ bool carry= true; // to get into the while loop
+
+ sal_Int32 currentDimension= dimensions; //most significant is 1
+ while( carry)
+ {
+ parMultidimensionalIndex[ currentDimension - 1]++;
+ // if carryover, set index to 0 and handle carry on a level above
+ if( parMultidimensionalIndex[ currentDimension - 1] > (parDimensionLengths[ currentDimension - 1] - 1))
+ parMultidimensionalIndex[ currentDimension - 1]= 0;
+ else
+ carry= false;
+
+ currentDimension --;
+ // if dimensions drops below 1 and carry is set than then all indices are 0 again
+ // this is signalled by returning sal_False
+ if( currentDimension < 1 && carry)
+ {
+ carry= false;
+ ret= false;
+ }
+ }
+ return ret;
+}
+
+// Determines the size of a certain OLE type. The function takes
+// only those types into account which are oleautomation types and
+// can have a value ( unless VT_NULL, VT_EMPTY, VT_ARRAY, VT_BYREF).
+// Currently used in createUnoSequenceWrapper to calculate addresses
+// for data within a SAFEARRAY.
+template<class T>
+size_t UnoConversionUtilities<T>::getOleElementSize( VARTYPE type)
+{
+ size_t size;
+ switch( type)
+ {
+ case VT_BOOL: size= sizeof( VARIANT_BOOL);break;
+ case VT_UI1: size= sizeof( unsigned char);break;
+ case VT_R8: size= sizeof( double);break;
+ case VT_R4: size= sizeof( float);break;
+ case VT_I2: size= sizeof( short);break;
+ case VT_I4: size= sizeof( long);break;
+ case VT_BSTR: size= sizeof( BSTR); break;
+ case VT_ERROR: size= sizeof( SCODE); break;
+ case VT_DISPATCH:
+ case VT_UNKNOWN: size= sizeof( IUnknown*); break;
+ case VT_VARIANT: size= sizeof( VARIANT);break;
+ default: size= 0;
+ }
+ return size;
+}
+
+//If a Sequence is being converted into a SAFEARRAY then we possibly have
+// to create a SAFEARRAY with multiple dimensions. This is the case when a
+// Sequence contains Sequences ( Sequence< Sequence < XXX > > ). The leftmost
+// Sequence in the declaration is assumed to represent dimension 1. Because
+// all Sequence elements of a Sequence can have different length, we have to
+// determine the maximum length which is then the length of the respective
+// dimension.
+// getElementCountAndTypeOfSequence determines the length of each dimension and calls itself recursively
+// in the process.
+// param rSeq - an Any that has to contain a Sequence
+// param dim - the dimension for which the number of elements is being determined,
+// must be one.
+// param seqElementCounts - contains the maximum number of elements for each
+// dimension. Index 0 contains the number of dimension one.
+// After return the Sequence contains the maximum number of
+// elements for each dimension.
+// The length of the Sequence must equal the number of dimensions.
+// param typeClass - TypeClass of the element type that is no Sequence, e.g.
+// Sequence< Sequence <Sequence <sal_Int32> > > - type is sal_Int32)
+template<class T>
+void UnoConversionUtilities<T>::getElementCountAndTypeOfSequence( const Any& rSeq, sal_Int32 dim,
+ Sequence< sal_Int32 >& seqElementCounts, TypeDescription& typeDesc)
+{
+ sal_Int32 dimCount= (*static_cast<uno_Sequence* const *>(rSeq.getValue()))->nElements;
+ if( dimCount > seqElementCounts[ dim-1])
+ seqElementCounts.getArray()[ dim-1]= dimCount;
+
+ // we need the element type to construct the any that is
+ // passed into getElementCountAndTypeOfSequence again
+ typelib_TypeDescription* pSeqDesc= nullptr;
+ rSeq.getValueTypeDescription( &pSeqDesc);
+ typelib_TypeDescriptionReference* pElementDescRef= reinterpret_cast<typelib_IndirectTypeDescription*>(pSeqDesc)->pType;
+
+ // if the elements are Sequences then do recursion
+ if( dim < seqElementCounts.getLength() )
+ {
+ uno_Sequence* pSeq = *static_cast<uno_Sequence* const*>(rSeq.getValue());
+ uno_Sequence** arSequences= reinterpret_cast<uno_Sequence**>(pSeq->elements);
+ for( sal_Int32 i=0; i < dimCount; i++)
+ {
+ uno_Sequence* arElement= arSequences[ i];
+ getElementCountAndTypeOfSequence( Any( &arElement, pElementDescRef), dim + 1 , seqElementCounts, typeDesc);
+ }
+ }
+ else
+ {
+ // determine the element type ( e.g. Sequence< Sequence <Sequence <sal_Int32> > > - type is sal_Int32)
+ typeDesc= pElementDescRef;
+ }
+ typelib_typedescription_release( pSeqDesc);
+}
+
+
+template<class T>
+SAFEARRAY* UnoConversionUtilities<T>::createUnoSequenceWrapper(const Any& rSeq)
+{
+ SAFEARRAY* pArray = nullptr;
+ sal_uInt32 n = 0;
+
+ if( rSeq.getValueTypeClass() != TypeClass_SEQUENCE )
+ throw IllegalArgumentException(
+ "[automation bridge]UnoConversionUtilities<T>::createUnoSequenceWrapper\n"
+ "The UNO argument is not a sequence", nullptr, -1);
+
+ uno_Sequence * punoSeq= *static_cast<uno_Sequence* const *>(rSeq.getValue());
+
+ typelib_TypeDescriptionReference* pSeqTypeRef= rSeq.getValueTypeRef();
+ typelib_TypeDescription* pSeqType= nullptr;
+ TYPELIB_DANGER_GET( &pSeqType, pSeqTypeRef);
+ typelib_IndirectTypeDescription * pSeqIndDec= reinterpret_cast<typelib_IndirectTypeDescription*>(pSeqType);
+
+
+ typelib_TypeDescriptionReference * pSeqElementTypeRef= pSeqIndDec->pType;
+ TYPELIB_DANGER_RELEASE( pSeqType);
+
+ typelib_TypeDescription* pSeqElementDesc= nullptr;
+ TYPELIB_DANGER_GET( &pSeqElementDesc, pSeqElementTypeRef);
+ sal_Int32 nElementSize= pSeqElementDesc->nSize;
+ n= punoSeq->nElements;
+
+ SAFEARRAYBOUND rgsabound[1];
+ rgsabound[0].lLbound = 0;
+ rgsabound[0].cElements = n;
+ VARIANT oleElement;
+ LONG safeI[1];
+
+ pArray = SafeArrayCreate(VT_VARIANT, 1, rgsabound);
+
+ Any unoElement;
+ char * pSeqData= punoSeq->elements;
+
+ for (sal_uInt32 i = 0; i < n; i++)
+ {
+ unoElement.setValue( pSeqData + i * nElementSize, pSeqElementDesc);
+ VariantInit(&oleElement);
+
+ anyToVariant(&oleElement, unoElement);
+
+ safeI[0] = i;
+ SafeArrayPutElement(pArray, safeI, &oleElement);
+
+ VariantClear(&oleElement);
+ }
+ TYPELIB_DANGER_RELEASE( pSeqElementDesc);
+
+ return pArray;
+}
+
+/* The argument rObj can contain
+- UNO struct
+- UNO interface
+- UNO interface created by this bridge (adapter factory)
+- UNO interface created by this bridge ( COM Wrapper)
+
+pVar must be initialized.
+*/
+template<class T>
+void UnoConversionUtilities<T>::createUnoObjectWrapper(const Any & rObj, VARIANT * pVar)
+{
+ MutexGuard guard(getBridgeMutex());
+
+ Reference<XInterface> xInt;
+
+ TypeClass tc = rObj.getValueTypeClass();
+ if (tc != TypeClass_INTERFACE && tc != TypeClass_STRUCT)
+ throw IllegalArgumentException(
+ "[automation bridge]UnoConversionUtilities<T>::createUnoObjectWrapper \n"
+ "Cannot create an Automation interface for a UNO type which is not "
+ "a struct or interface!", nullptr, -1);
+
+ if (rObj.getValueTypeClass() == TypeClass_INTERFACE)
+ {
+ if (! (rObj >>= xInt))
+ throw IllegalArgumentException(
+ "[automation bridge] UnoConversionUtilities<T>::createUnoObjectWrapper\n "
+ "Could not create wrapper object for UNO object!", nullptr, -1);
+ //If XInterface is NULL, which is a valid value, then simply return NULL.
+ if ( ! xInt.is())
+ {
+ pVar->vt = VT_UNKNOWN;
+ pVar->punkVal = nullptr;
+ return;
+ }
+ //make sure we have the main XInterface which is used with a map
+ xInt.set(xInt, UNO_QUERY);
+ //If there is already a wrapper for the UNO object then use it
+
+ Reference<XInterface> xIntWrapper;
+ // Does a UNO wrapper exist already ?
+ auto it_uno = UnoObjToWrapperMap.find( reinterpret_cast<sal_uIntPtr>(xInt.get()));
+ if(it_uno != UnoObjToWrapperMap.end())
+ {
+ xIntWrapper = it_uno->second;
+ if (xIntWrapper.is())
+ {
+ convertSelfToCom(xIntWrapper, pVar);
+ return;
+ }
+ }
+ // Is the object a COM wrapper ( either XInvocation, or Adapter object)
+ // or does it supply an IDispatch by its own ?
+ else
+ {
+ Reference<XInterface> xIntComWrapper = xInt;
+
+ // Adapter? then get the COM wrapper to which the adapter delegates its calls
+ auto it = AdapterToWrapperMap.find( reinterpret_cast<sal_uIntPtr>(xInt.get()));
+ if( it != AdapterToWrapperMap.end() )
+ xIntComWrapper= reinterpret_cast<XInterface*>(it->second);
+
+ if (convertSelfToCom(xIntComWrapper, pVar))
+ return;
+ }
+ }
+ // If we have no UNO wrapper nor the IDispatch yet then we have to create
+ // a wrapper. For that we need an XInvocation.
+
+ // create an XInvocation using the invocation service
+ Reference<XInvocation> xInv;
+ Reference<XSingleServiceFactory> xInvFactory= getInvocationFactory(rObj);
+ if (xInvFactory.is())
+ {
+ Sequence<Any> params(2);
+ params.getArray()[0] = rObj;
+ params.getArray()[1] <<= OUString("FromOLE");
+ Reference<XInterface> xInt2 = xInvFactory->createInstanceWithArguments(params);
+ xInv.set(xInt2, UNO_QUERY);
+ }
+
+ if (xInv.is())
+ {
+ Reference<XInterface> xNewWrapper = createUnoWrapperInstance();
+ Reference<css::lang::XInitialization> xInitWrapper(xNewWrapper, UNO_QUERY);
+ if (xInitWrapper.is())
+ {
+ VARTYPE vartype= getVarType( rObj);
+
+ if (xInt.is())
+ {
+ Any params[3];
+ params[0] <<= xInv;
+ params[1] <<= xInt;
+ params[2] <<= vartype;
+ xInitWrapper->initialize( Sequence<Any>(params, 3));
+ }
+ else
+ {
+ Any params[2];
+ params[0] <<= xInv;
+ params[1] <<= vartype;
+ xInitWrapper->initialize( Sequence<Any>(params, 2));
+ }
+
+ // put the newly created object into a map. If the same object will
+ // be mapped again and there is already a wrapper then the old wrapper
+ // will be used.
+ if(xInt.is()) // only interfaces
+ UnoObjToWrapperMap[reinterpret_cast<sal_uIntPtr>(xInt.get())]= xNewWrapper;
+ convertSelfToCom(xNewWrapper, pVar);
+ return;
+ }
+ }
+}
+
+template<class T>
+void UnoConversionUtilities<T>::variantToAny( const VARIANT* pVariant, Any& rAny,
+ bool bReduceValueRange /* = sal_True */)
+{
+ HRESULT hr = S_OK;
+ try
+ {
+ CComVariant var;
+
+ // There is no need to support indirect values, since they're not supported by UNO
+ if( FAILED(hr= VariantCopyInd( &var, pVariant))) // remove VT_BYREF
+ throw BridgeRuntimeError(
+ "[automation bridge] UnoConversionUtilities<T>::variantToAny \n"
+ "VariantCopyInd failed for reason : " + OUString::number(hr));
+
+ if ( ! convertValueObject( & var, rAny))
+ {
+ if ((var.vt & VT_ARRAY) > 0)
+ {
+ VARTYPE oleTypeFlags = ::sal::static_int_cast< VARTYPE, int >( var.vt ^ VT_ARRAY );
+
+ Sequence<Any> unoSeq = createOleArrayWrapper(var.parray, oleTypeFlags);
+ rAny.setValue( &unoSeq, cppu::UnoType<decltype(unoSeq)>::get());
+ }
+ else
+ {
+ switch (var.vt)
+ {
+ case VT_EMPTY:
+ rAny.setValue(nullptr, Type());
+ break;
+ case VT_NULL:
+ rAny.setValue(nullptr, Type());
+ break;
+ case VT_I2:
+ rAny.setValue( & var.iVal, cppu::UnoType<sal_Int16>::get());
+ break;
+ case VT_I4:
+ rAny.setValue( & var.lVal, cppu::UnoType<sal_Int32>::get());
+ // necessary for use in JavaScript ( see "reduceRange")
+ if( bReduceValueRange)
+ reduceRange(rAny);
+ break;
+ case VT_R4:
+ rAny.setValue( & var.fltVal, cppu::UnoType<float>::get());
+ break;
+ case VT_R8:
+ rAny.setValue(& var.dblVal, cppu::UnoType<double>::get());
+ break;
+ case VT_CY:
+ {
+ Currency cy(var.cyVal.int64);
+ rAny <<= cy;
+ break;
+ }
+ case VT_DATE:
+ {
+ Date d(var.date);
+ rAny <<= d;
+ break;
+ }
+ case VT_BSTR:
+ {
+ OUString b(o3tl::toU(var.bstrVal));
+ rAny.setValue( &b, cppu::UnoType<decltype(b)>::get());
+ break;
+ }
+ case VT_UNKNOWN:
+ case VT_DISPATCH:
+ {
+ //check if it is a UNO type
+ CComQIPtr<IUnoTypeWrapper> spType(static_cast<IUnknown*>(var.byref));
+ if (spType)
+ {
+ CComBSTR sName;
+ if (FAILED(spType->get_Name(&sName)))
+ throw BridgeRuntimeError(
+ "[automation bridge]UnoConversionUtilities<T>::variantToAny \n"
+ "Failed to get the type name from a UnoTypeWrapper!");
+ Type type;
+ if (!getType(sName, type))
+ {
+ throw CannotConvertException(
+ OUString::Concat("[automation bridge]UnoConversionUtilities<T>::variantToAny \n"
+ "A UNO type with the name: ") + o3tl::toU(LPCOLESTR(sName)) +
+ "does not exist!",
+ nullptr, TypeClass_UNKNOWN, FailReason::TYPE_NOT_SUPPORTED,0);
+ }
+ rAny <<= type;
+ }
+ else
+ {
+ rAny = createOleObjectWrapper( & var);
+ }
+ break;
+ }
+ case VT_ERROR:
+ {
+ SCode scode(var.scode);
+ rAny <<= scode;
+ break;
+ }
+ case VT_BOOL:
+ {
+ rAny <<= (var.boolVal == VARIANT_TRUE);
+ break;
+ }
+ case VT_I1:
+ rAny.setValue( & var.cVal, cppu::UnoType<sal_Int8>::get());
+ break;
+ case VT_UI1: // there is no unsigned char in UNO
+ rAny <<= sal_Int8(var.bVal);
+ break;
+ case VT_UI2:
+ rAny.setValue( & var.uiVal, cppu::UnoType<cppu::UnoUnsignedShortType>::get() );
+ break;
+ case VT_UI4:
+ rAny.setValue( & var.ulVal, cppu::UnoType<sal_uInt32>::get());
+ break;
+ case VT_INT:
+ rAny.setValue( & var.intVal, cppu::UnoType<sal_Int32>::get());
+ break;
+ case VT_UINT:
+ rAny.setValue( & var.uintVal, cppu::UnoType<sal_uInt32>::get());
+ break;
+ case VT_VOID:
+ rAny.setValue( nullptr, Type());
+ break;
+ case VT_DECIMAL:
+ {
+ Decimal dec;
+ dec.Scale = var.decVal.scale;
+ dec.Sign = var.decVal.sign;
+ dec.LowValue = var.decVal.Lo32;
+ dec.MiddleValue = var.decVal.Mid32;
+ dec.HighValue = var.decVal.Hi32;
+ rAny <<= dec;
+ break;
+ }
+
+ default:
+ break;
+ }
+ }
+ }
+ }
+ catch (const IllegalArgumentException &)
+ {
+ throw;
+ }
+ catch (const CannotConvertException &)
+ {
+ throw;
+ }
+ catch (const BridgeRuntimeError &)
+ {
+ throw;
+ }
+ catch (const Exception & e)
+ {
+ throw BridgeRuntimeError("[automation bridge] unexpected exception in "
+ "UnoConversionUtilities<T>::variantToAny ! Message : \n" +
+ e.Message);
+ }
+ catch(...)
+ {
+ throw BridgeRuntimeError(
+ "[automation bridge] unexpected exception in "
+ "UnoConversionUtilities<T>::variantToAny !");
+ }
+
+}
+// The function converts an IUnknown* into a UNO interface or struct. The
+// IUnknown pointer can constitute different kind of objects:
+// 1. a wrapper of a UNO struct (the wrapper was created by this bridge)
+// 2. a wrapper of a UNO interface (created by this bridge)
+// 3. a dispatch object that implements UNO interfaces
+// 4. a dispatch object.
+
+// If the parameter "aType" has a value then the COM object ( pUnknown) is supposed to
+// implement the interface described by "aType". Moreover it ( pUnknown) can implement
+// several other
+// UNO interfaces in which case it has to support the SUPPORTED_INTERFACES_PROP (see
+// #define) property. That property contains all names of interfaces.
+// "pUnknown" is wrapped by a COM wrapper object that implements XInvocation, e.g.
+// IUnknownWrapper. Additionally an object of type "aType" is created by help
+// of the INTERFACE_ADAPTER_FACTORY (see #define) service. The implementation of
+// "aType" calls on the COM wrapper's XInvocation::invoke. If the COM object supports
+// more than one UNO interfaces, as can be determined by the property
+// SUPPORTED_INTERFACES_PROP, then the INTERFACE_ADAPTER_FACTORY creates an object that
+// implements all these interfaces.
+// This is only done if "pUnknown" is not already a UNO wrapper,
+// that is it is actually NOT a UNO object that was converted to a COM object. If it is an
+// UNO wrapper than the original UNO object is being extracted, queried for "aType" (if
+// it is no struct) and returned.
+template<class T>
+Any UnoConversionUtilities<T>::createOleObjectWrapper(VARIANT* pVar, const Type& aType)
+{
+ //To allow passing "Nothing" in VS 2008 we need to accept VT_EMPTY
+ if (pVar->vt != VT_UNKNOWN && pVar->vt != VT_DISPATCH && pVar->vt != VT_EMPTY)
+ throw IllegalArgumentException(
+ "[automation bridge]UnoConversionUtilities<T>::createOleObjectWrapper \n"
+ "The VARIANT does not contain an object type! ", nullptr, -1);
+
+ MutexGuard guard( getBridgeMutex());
+
+ CComPtr<IUnknown> spUnknown;
+ CComPtr<IDispatch> spDispatch;
+
+ if (pVar->vt == VT_UNKNOWN)
+ {
+ spUnknown = pVar->punkVal;
+ if (spUnknown)
+ spUnknown.QueryInterface( & spDispatch.p);
+ }
+ else if (pVar->vt == VT_DISPATCH && pVar->pdispVal != nullptr)
+ {
+ CComPtr<IDispatch> spDispatch2(pVar->pdispVal);
+ if (spDispatch2)
+ spDispatch2.QueryInterface( & spUnknown.p);
+ }
+
+ static Type VOID_TYPE;
+ Any ret;
+ //If no Type is provided and pVar contains IUnknown then we return a XInterface.
+ //If pVar contains an IDispatch then we return a XInvocation.
+ Type desiredType = aType;
+
+ if (aType == VOID_TYPE)
+ {
+ switch (pVar->vt)
+ {
+ case VT_EMPTY:
+ case VT_UNKNOWN:
+ desiredType = cppu::UnoType<XInterface>::get();
+ break;
+ case VT_DISPATCH:
+ desiredType = cppu::UnoType<XInvocation>::get();
+ break;
+ default:
+ desiredType = aType;
+ }
+ }
+
+ // COM pointer are NULL, no wrapper required
+ if (spUnknown == nullptr)
+ {
+ Reference<XInterface> xInt;
+ if( aType.getTypeClass() == TypeClass_INTERFACE)
+ ret.setValue( &xInt, aType);
+ else if( aType.getTypeClass() == TypeClass_STRUCT)
+ ret.setValue( nullptr, aType);
+ else
+ ret <<= xInt;
+ return ret;
+ }
+
+
+ // Check if "spUnknown" is a UNO wrapper, that is a UNO object that has been
+ // passed to COM. Then it supports IUnoObjectWrapper
+ // and we extract the original UNO object.
+ CComQIPtr<IUnoObjectWrapper> spUno( spUnknown);
+ if( spUno)
+ { // it is a wrapper
+ Reference<XInterface> xInt;
+ if( SUCCEEDED( spUno->getOriginalUnoObject( &xInt)))
+ {
+ ret <<= xInt;
+ }
+ else
+ {
+ Any any;
+ if( SUCCEEDED( spUno->getOriginalUnoStruct(&any)))
+ ret= any;
+ }
+ return ret;
+ }
+
+ // "spUnknown" is a real COM object.
+ // Before we create a new wrapper object we check if there is an existing wrapper
+ // There can be two kinds of wrappers, those who wrap dispatch - UNO objects, and those who
+ // wrap ordinary dispatch objects. The dispatch-UNO objects usually are adapted to represent
+ // particular UNO interfaces.
+ Reference<XInterface> xIntWrapper;
+ auto cit_currWrapper= ComPtrToWrapperMap.find( reinterpret_cast<sal_uIntPtr>(spUnknown.p));
+ if(cit_currWrapper != ComPtrToWrapperMap.end())
+ xIntWrapper = cit_currWrapper->second;
+ if (xIntWrapper.is())
+ {
+ //Try to find an adapter for the wrapper
+ //find the proper Adapter. The pointer in the WrapperToAdapterMap are valid as long as
+ //we get a pointer to the wrapper from ComPtrToWrapperMap, because the Adapter hold references
+ //to the wrapper.
+ auto it = WrapperToAdapterMap.find(reinterpret_cast<sal_uIntPtr>(xIntWrapper.get()));
+ if (it == WrapperToAdapterMap.end())
+ {
+ // No adapter available.
+ //The COM component could be a UNO object. Then we need to provide
+ // a proxy that implements all interfaces
+ Sequence<Type> seqTypes= getImplementedInterfaces(spUnknown);
+ Reference<XInterface> xIntAdapter;
+ if (seqTypes.getLength() > 0)
+ {
+ //It is a COM UNO object
+ xIntAdapter = createAdapter(seqTypes, xIntWrapper);
+ }
+ else
+ {
+ // Some ordinary COM object
+ xIntAdapter = xIntWrapper;
+ }
+ // return the wrapper directly, return XInterface or XInvocation
+ ret = xIntWrapper->queryInterface(desiredType);
+ if ( ! ret.hasValue())
+ throw IllegalArgumentException(
+ "[automation bridge]UnoConversionUtilities<T>::createOleObjectWrapper \n"
+ "The COM object is not suitable for the UNO type: " +
+ desiredType.getTypeName(), nullptr, -1);
+ }
+ else
+ {
+ //There is an adapter available
+ Reference<XInterface> xIntAdapter(reinterpret_cast<XInterface*>(it->second));
+ ret = xIntAdapter->queryInterface( desiredType);
+ if ( ! ret.hasValue())
+ throw IllegalArgumentException(
+ "[automation bridge]UnoConversionUtilities<T>::createOleObjectWrapper \n"
+ "The COM object is not suitable for the UNO type: " +
+ desiredType.getTypeName(), nullptr, -1);
+ }
+
+ return ret;
+ }
+ // No existing wrapper. Therefore create a new proxy.
+ // If the object implements UNO interfaces then get the types.
+ Sequence<Type> seqTypes = getImplementedInterfaces(spUnknown);
+ if (seqTypes.getLength() == 0 &&
+ aType != VOID_TYPE && aType != cppu::UnoType<XInvocation>::get())
+ {
+ seqTypes = Sequence<Type>( & aType, 1);
+ }
+
+ //There is no existing wrapper, therefore we create one for the real COM object
+ Reference<XInterface> xIntNewProxy= createComWrapperInstance();
+ if ( ! xIntNewProxy.is())
+ throw BridgeRuntimeError(
+ "[automation bridge]UnoConversionUtilities<T>::createOleObjectWrapper \n"
+ "Could not create proxy object for COM object!");
+
+ // initialize the COM wrapper
+ Reference<XInitialization> xInit( xIntNewProxy, UNO_QUERY);
+ OSL_ASSERT( xInit.is());
+
+ Any params[3];
+ params[0] <<= reinterpret_cast<sal_uIntPtr>(spUnknown.p);
+ params[1] <<= (pVar->vt == VT_DISPATCH);
+ params[2] <<= seqTypes;
+
+ xInit->initialize( Sequence<Any>( params, 3));
+ ComPtrToWrapperMap[reinterpret_cast<sal_uInt64>(spUnknown.p)] = xIntNewProxy;
+
+ // we have a wrapper object
+ //The wrapper implements already XInvocation and XInterface. If
+ //param aType is void then the object is supposed to have XInvocation.
+ if (aType == cppu::UnoType<XInvocation>::get()||
+ (aType == VOID_TYPE && seqTypes.getLength() == 0 ))
+ {
+ ret = xIntNewProxy->queryInterface(desiredType);
+ }
+ else
+ {
+ Reference<XInterface> xIntAdapter =
+ createAdapter(seqTypes, xIntNewProxy);
+ ret = xIntAdapter->queryInterface(desiredType);
+ }
+ return ret;
+}
+template<class T>
+Reference<XInterface> UnoConversionUtilities<T>::createAdapter(const Sequence<Type>& seqTypes,
+ const Reference<XInterface>& receiver)
+{
+ Reference< XInterface> xIntAdapterFac;
+ xIntAdapterFac= m_smgr->createInstance(INTERFACE_ADAPTER_FACTORY);
+ // We create an adapter object that does not only implement the required type but also
+ // all types that the COM object pretends to implement. A COM object must therefore
+ // support the property "_implementedInterfaces".
+ Reference<XInterface> xIntAdapted;
+ Reference<XInvocation> xInv(receiver, UNO_QUERY);
+ Reference<XInvocationAdapterFactory2> xAdapterFac( xIntAdapterFac, UNO_QUERY);
+ if( xAdapterFac.is())
+ xIntAdapted= xAdapterFac->createAdapter( xInv, seqTypes);
+
+ if( !xIntAdapted.is())
+ {
+ throw BridgeRuntimeError(
+ "[automation bridge]UnoConversionUtilities<T>::createOleObjectWrapper \n"
+ "Could not create a proxy for COM object! Creation of adapter failed.");
+ }
+
+ // Put the pointer to the wrapper object and the interface pointer of the adapted interface
+ // in a global map. Thus we can determine in a call to createUnoObjectWrapper whether the UNO
+ // object is a wrapped COM object. In that case we extract the original COM object rather than
+ // creating a wrapper around the UNO object.
+ typedef std::unordered_map<sal_uInt64,sal_uInt64>::value_type VALUE;
+ AdapterToWrapperMap.insert( VALUE( reinterpret_cast<sal_uInt64>(xIntAdapted.get()), reinterpret_cast<sal_uInt64>(receiver.get())));
+ WrapperToAdapterMap.insert( VALUE( reinterpret_cast<sal_uInt64>(receiver.get()), reinterpret_cast<sal_uInt64>(xIntAdapted.get())));
+
+ return xIntAdapted;
+}
+// "convertValueObject" converts a JScriptValue object contained in "var" into
+// an any. The type contained in the any is stipulated by a "type value" thas
+// was set within the JScript script on the value object ( see JScriptValue).
+template<class T>
+bool UnoConversionUtilities<T>::convertValueObject( const VARIANTARG *var, Any& any)
+{
+ bool ret = false;
+ try
+ {
+ bool bFail = false;
+ HRESULT hr= S_OK;
+ CComVariant varDisp;
+
+ if(SUCCEEDED(hr = varDisp.ChangeType( VT_DISPATCH, var)))
+ {
+ CComPtr <IJScriptValueObject> spValue;
+ VARIANT_BOOL varBool;
+ CComBSTR bstrType;
+ CComVariant varValue;
+ CComPtr<IDispatch> spDisp( varDisp.pdispVal);
+ if(spDisp)
+ {
+ if(SUCCEEDED( spDisp->QueryInterface( __uuidof( IJScriptValueObject),
+ reinterpret_cast<void**> (&spValue))))
+ {
+ ret = true; // is a ValueObject
+ //If it is an out - param then it does not need to be converted. In/out and
+ // in params does so.
+ if (SUCCEEDED(hr= spValue->IsOutParam( &varBool)))
+ {
+ // if varBool == true then no conversion needed because out param
+ if (varBool == VARIANT_FALSE)
+ {
+ if(SUCCEEDED(hr = spValue->GetValue( & bstrType, & varValue)))
+ {
+ Type type;
+ if (getType(bstrType, type))
+ variantToAny( & varValue, any, type);
+ else
+ bFail = true;
+ }
+ else
+ bFail = true;
+ }
+ }
+ else
+ bFail = true;
+ }
+ }
+ }
+ else if( hr != DISP_E_TYPEMISMATCH && hr != E_NOINTERFACE)
+ bFail = true;
+
+ if (bFail)
+ throw BridgeRuntimeError(
+ "[automation bridge] Conversion of ValueObject failed ");
+ }
+ catch (const BridgeRuntimeError &)
+ {
+ throw;
+ }
+ catch (const Exception & e)
+ {
+ throw BridgeRuntimeError("[automation bridge] unexpected exception in "
+ "UnoConversionUtilities<T>::convertValueObject ! Message : \n" +
+ e.Message);
+ }
+ catch(...)
+ {
+ throw BridgeRuntimeError(
+ "[automation bridge] unexpected exception in "
+ "UnoConversionUtilities<T>::convertValueObject !");
+ }
+ return ret;
+}
+
+template<class T>
+void UnoConversionUtilities<T>::dispatchExObject2Sequence( const VARIANTARG* pvar, Any& anySeq, const Type& type)
+{
+ try
+ {
+ if( pvar->vt != VT_DISPATCH)
+ throw BridgeRuntimeError("[automation bridge] UnoConversionUtilities<T>::dispatchExObject2Sequence \n"
+ "Conversion of dispatch object to Sequence failed!");
+ IDispatchEx* pdispEx;
+ HRESULT hr;
+ if( FAILED( hr= pvar->pdispVal->QueryInterface( IID_IDispatchEx,
+ reinterpret_cast<void**>( &pdispEx))))
+ throw BridgeRuntimeError("[automation bridge] UnoConversionUtilities<T>::dispatchExObject2Sequence \n"
+ "Conversion of dispatch object to Sequence failed!");
+
+ DISPID dispid;
+ DISPPARAMS param= {nullptr,nullptr,0,0};
+ CComVariant result;
+
+ OLECHAR const * sLength= L"length";
+
+ // Get the length of the array. Can also be obtained through GetNextDispID. The
+ // method only returns DISPIDs of the array data. Their names are like "0", "1" etc.
+ if( FAILED( hr= pdispEx->GetIDsOfNames(IID_NULL, const_cast<OLECHAR **>(&sLength), 1, LOCALE_USER_DEFAULT, &dispid)))
+ throw BridgeRuntimeError("[automation bridge] UnoConversionUtilities<T>::dispatchExObject2Sequence \n"
+ "Conversion of dispatch object to Sequence failed!");
+ if( FAILED( hr= pdispEx->InvokeEx(dispid, LOCALE_USER_DEFAULT, DISPATCH_PROPERTYGET,
+ &param, &result, nullptr, nullptr)))
+ throw BridgeRuntimeError("[automation bridge] UnoConversionUtilities<T>::dispatchExObject2Sequence \n"
+ "Conversion of dispatch object to Sequence failed!");
+ if( FAILED( VariantChangeType( &result, &result, 0, VT_I4)))
+ throw BridgeRuntimeError("[automation bridge] UnoConversionUtilities<T>::dispatchExObject2Sequence \n"
+ "Conversion of dispatch object to Sequence failed!");
+ LONG length= result.lVal;
+
+ result.Clear();
+
+ // get a few basic facts about the sequence, and reallocate:
+ // create the Sequences
+ // get the size of the elements
+ typelib_TypeDescription *pDesc= nullptr;
+ type.getDescription( &pDesc);
+
+ typelib_IndirectTypeDescription *pSeqDesc= reinterpret_cast<typelib_IndirectTypeDescription*>(pDesc);
+ typelib_TypeDescriptionReference *pSeqElemDescRef= pSeqDesc->pType; // type of the Sequence' elements
+ Type elemType( pSeqElemDescRef);
+ _typelib_TypeDescription* pSeqElemDesc=nullptr;
+ TYPELIB_DANGER_GET( &pSeqElemDesc, pSeqElemDescRef);
+ sal_uInt32 nelementSize= pSeqElemDesc->nSize;
+ TYPELIB_DANGER_RELEASE( pSeqElemDesc);
+
+ uno_Sequence *p_uno_Seq;
+ uno_sequence_construct( &p_uno_Seq, pDesc, nullptr, length, cpp_acquire);
+
+ typelib_TypeClass typeElement= pSeqDesc->pType->eTypeClass;
+ char *pArray= p_uno_Seq->elements;
+
+ // Get All properties in the object, convert their values to the expected type and
+ // put them into the passed in sequence
+ for( sal_Int32 i= 0; i< length; i++)
+ {
+ OUString ousIndex=OUString::number( i);
+ OLECHAR* sindex = const_cast<OLECHAR *>(o3tl::toW(ousIndex.getStr()));
+
+ if( FAILED( hr= pdispEx->GetIDsOfNames(IID_NULL, &sindex , 1, LOCALE_USER_DEFAULT, &dispid)))
+ {
+ throw BridgeRuntimeError("[automation bridge] UnoConversionUtilities<T>::dispatchExObject2Sequence \n"
+ "Conversion of dispatch object to Sequence failed!");
+ }
+ if( FAILED( hr= pdispEx->InvokeEx(dispid, LOCALE_USER_DEFAULT, DISPATCH_PROPERTYGET,
+ &param, &result, nullptr, nullptr)))
+ {
+ throw BridgeRuntimeError("[automation bridge] UnoConversionUtilities<T>::dispatchExObject2Sequence \n"
+ "Conversion of dispatch object to Sequence failed!");
+ }
+
+ // If the result is VT_DISPATCH than the Sequence's element type could be Sequence
+ // Look that up in the CoreReflection to make clear.
+ // That requires a recursiv conversion
+ Any any;
+ // Destination address within the out-Sequence "anySeq" where to copy the next converted element
+ void* pDest= pArray + (i * nelementSize);
+
+ if( result.vt & VT_DISPATCH && typeElement == typelib_TypeClass_SEQUENCE)
+ {
+ variantToAny( &result, any, elemType, false);
+ // copy the converted VARIANT, that is a Sequence to the Sequence
+ uno_Sequence * p_unoSeq= *static_cast<uno_Sequence* const *>(any.getValue());
+ // just copy the pointer of the uno_Sequence
+ // nelementSize should be 4 !!!!
+ memcpy( pDest, &p_unoSeq, nelementSize);
+ osl_atomic_increment( &p_unoSeq->nRefCount);
+ }
+ else // Element type is no Sequence -> do one conversion
+ {
+ variantToAny( &result, any, elemType, false);
+ if( typeElement == typelib_TypeClass_ANY)
+ {
+ // copy the converted VARIANT to the Sequence
+ uno_type_assignData( pDest, pSeqElemDescRef , &any, pSeqElemDescRef,cpp_queryInterface,
+ cpp_acquire, cpp_release);
+ }
+ else
+ {
+ // type after conversion must be the element type of the sequence
+ OSL_ENSURE(any.getValueTypeClass() == css::uno::TypeClass(typeElement), "wrong conversion");
+ uno_type_assignData( pDest, pSeqElemDescRef,const_cast<void*>( any.getValue()), any.getValueTypeRef(),
+ cpp_queryInterface, cpp_acquire, cpp_release);
+ }
+ }
+ } // else
+ result.Clear();
+ anySeq.setValue( &p_uno_Seq, pDesc);
+ uno_destructData( &p_uno_Seq, pDesc, cpp_release);
+ typelib_typedescription_release( pDesc);
+ }
+ catch (const BridgeRuntimeError &)
+ {
+ throw;
+ }
+ catch (const Exception & e)
+ {
+ throw BridgeRuntimeError("[automation bridge] unexpected exception in "
+ "UnoConversionUtilities<T>::convertValueObject ! Message : \n" +
+ e.Message);
+ }
+ catch(...)
+ {
+ throw BridgeRuntimeError(
+ "[automation bridge] unexpected exception in "
+ "UnoConversionUtilities<T>::convertValueObject !");
+ }
+}
+
+/* The argument unotype is the type that is expected by the currently called UNO function.
+ For example: []long, [][]long. If the function calls itself recursively then the element type
+ is passed on. For example a two dimensional SAFEARRAY of type VT_I4 is to be converted. Then
+ unotype has to be either void or [][]long. When the function calls itself recursively then
+ it passes the element type which is []long.
+*/
+template<class T>
+Sequence<Any> UnoConversionUtilities<T>::createOleArrayWrapperOfDim(SAFEARRAY* pArray,
+ unsigned int dimCount, unsigned int actDim, LONG* index, VARTYPE type, const Type& unotype)
+{
+ LONG lBound;
+ LONG uBound;
+ LONG nCountElements;
+
+ SafeArrayGetLBound(pArray, actDim, &lBound);
+ SafeArrayGetUBound(pArray, actDim, &uBound);
+ nCountElements= uBound - lBound +1;
+
+ Sequence<Any> anySeq(nCountElements);
+ Any* pUnoArray = anySeq.getArray();
+
+ for (index[actDim - 1] = lBound; index[actDim - 1] <= uBound; index[actDim - 1]++)
+ {
+ if (actDim > 1 )
+ {
+ Sequence<Any> element = createOleArrayWrapperOfDim(pArray, dimCount,
+ actDim - 1, index, type, getElementTypeOfSequence(unotype));
+
+ pUnoArray[index[actDim - 1] - lBound].setValue(&element, cppu::UnoType<decltype(element)>::get());
+ }
+ else
+ {
+ VARIANT variant;
+
+ VariantInit(&variant);
+
+ V_VT(&variant) = type;
+
+ switch (type)
+ {
+ case VT_I2:
+ SafeArrayGetElement(pArray, index, &V_I2(&variant));
+ break;
+ case VT_I4:
+ SafeArrayGetElement(pArray, index, &V_I4(&variant));
+ break;
+ case VT_R4:
+ SafeArrayGetElement(pArray, index, &V_R4(&variant));
+ break;
+ case VT_R8:
+ SafeArrayGetElement(pArray, index, &V_R8(&variant));
+ break;
+ case VT_CY:
+ SafeArrayGetElement(pArray, index, &V_CY(&variant));
+ break;
+ case VT_DATE:
+ SafeArrayGetElement(pArray, index, &V_DATE(&variant));
+ break;
+ case VT_BSTR:
+ SafeArrayGetElement(pArray, index, &V_BSTR(&variant));
+ break;
+ case VT_DISPATCH:
+ SafeArrayGetElement(pArray, index, &V_DISPATCH(&variant));
+ break;
+ case VT_ERROR:
+ SafeArrayGetElement(pArray, index, &V_ERROR(&variant));
+ break;
+ case VT_BOOL:
+ SafeArrayGetElement(pArray, index, &V_BOOL(&variant));
+ break;
+ case VT_VARIANT:
+ SafeArrayGetElement(pArray, index, &variant);
+ break;
+ case VT_UNKNOWN:
+ SafeArrayGetElement(pArray, index, &V_UNKNOWN(&variant));
+ break;
+ case VT_I1:
+ SafeArrayGetElement(pArray, index, &V_I1(&variant));
+ break;
+ case VT_UI1:
+ SafeArrayGetElement(pArray, index, &V_UI1(&variant));
+ break;
+ case VT_UI2:
+ SafeArrayGetElement(pArray, index, &V_UI2(&variant));
+ break;
+ case VT_UI4:
+ SafeArrayGetElement(pArray, index, &V_UI4(&variant));
+ break;
+ default:
+ break;
+ }
+
+ if( unotype.getTypeClass() == TypeClass_VOID)
+ // the function was called without specifying the destination type
+ variantToAny(&variant, pUnoArray[index[actDim - 1] - lBound], false);
+ else
+ variantToAny(&variant, pUnoArray[index[actDim - 1] - lBound],
+ getElementTypeOfSequence(unotype), false);
+
+ VariantClear(&variant);
+ }
+ }
+ return anySeq;
+}
+
+template<class T>
+Type UnoConversionUtilities<T>::getElementTypeOfSequence( const Type& seqType)
+{
+ Type retValue;
+ if( seqType.getTypeClass() != TypeClass_VOID)
+ {
+ OSL_ASSERT( seqType.getTypeClass() == TypeClass_SEQUENCE);
+ typelib_TypeDescription* pDescSeq= nullptr;
+ seqType.getDescription(& pDescSeq);
+ retValue = Type(reinterpret_cast<typelib_IndirectTypeDescription *>(pDescSeq)->pType);
+ typelib_typedescription_release(pDescSeq);
+ }
+ return retValue;
+}
+template<class T>
+Sequence<Any> UnoConversionUtilities<T>::createOleArrayWrapper(SAFEARRAY* pArray, VARTYPE type, const Type& unoType)
+{
+ sal_uInt32 dim = SafeArrayGetDim(pArray);
+
+ Sequence<Any> ret;
+
+ if (dim > 0)
+ {
+ std::unique_ptr<LONG[]> sarIndex(new LONG[dim]);
+ LONG * index = sarIndex.get();
+
+ for (unsigned int i = 0; i < dim; i++)
+ {
+ index[i] = 0;
+ }
+
+ ret = createOleArrayWrapperOfDim(pArray, dim, dim, index, type, unoType);
+ }
+
+ return ret;
+}
+
+// If a VARIANT has the type VT_DISPATCH it can either be a JScript Array
+// or some other object. This function finds out if it is such an array or
+// not. Currently there's no way to make sure it's an array
+// so we assume that when the object has a property "0" then it is an Array.
+// A JScript has property like "0", "1", "2" etc. which represent the
+// value at the corresponding index of the array
+template<class T>
+bool UnoConversionUtilities<T>::isJScriptArray(const VARIANT* rvar)
+{
+ OSL_ENSURE( rvar->vt == VT_DISPATCH, "param is not a VT_DISPATCH");
+ HRESULT hr;
+ OLECHAR const * sindex= L"0";
+ DISPID id;
+ if ( rvar->vt == VT_DISPATCH && rvar->pdispVal )
+ {
+ hr= rvar->pdispVal->GetIDsOfNames(
+ IID_NULL, const_cast<OLECHAR **>(&sindex), 1, LOCALE_USER_DEFAULT,
+ &id);
+
+ if( SUCCEEDED ( hr) )
+ return true;
+ }
+
+ return false;
+}
+
+template<class T>
+VARTYPE UnoConversionUtilities<T>::mapTypeClassToVartype( TypeClass type)
+{
+ VARTYPE ret;
+ switch( type)
+ {
+ case TypeClass_INTERFACE: ret= VT_DISPATCH;
+ break;
+ case TypeClass_STRUCT: ret= VT_DISPATCH;
+ break;
+ case TypeClass_ENUM: ret= VT_I4;
+ break;
+ case TypeClass_SEQUENCE: ret= VT_ARRAY;
+ break;
+ case TypeClass_ANY: ret= VT_VARIANT;
+ break;
+ case TypeClass_BOOLEAN: ret= VT_BOOL;
+ break;
+ case TypeClass_CHAR: ret= VT_I2;
+ break;
+ case TypeClass_STRING: ret= VT_BSTR;
+ break;
+ case TypeClass_FLOAT: ret= VT_R4;
+ break;
+ case TypeClass_DOUBLE: ret= VT_R8;
+ break;
+ case TypeClass_BYTE: ret= VT_UI1;
+ break;
+ case TypeClass_SHORT: ret= VT_I2;
+ break;
+ case TypeClass_LONG: ret= VT_I4;
+ break;
+ case TypeClass_UNSIGNED_SHORT: ret= VT_UI2;
+ break;
+ case TypeClass_UNSIGNED_LONG: ret= VT_UI4;
+ break;
+ default:
+ ret= VT_EMPTY;
+ }
+ return ret;
+}
+
+template<class T>
+Sequence<Type> UnoConversionUtilities<T>::getImplementedInterfaces(IUnknown* pUnk)
+{
+ Sequence<Type> seqTypes;
+ CComDispatchDriver disp( pUnk);
+ if( disp)
+ {
+ CComVariant var;
+ HRESULT hr= S_OK;
+ // There are two different property names possible.
+ if( FAILED( hr= disp.GetPropertyByName( SUPPORTED_INTERFACES_PROP, &var)))
+ {
+ hr= disp.GetPropertyByName( SUPPORTED_INTERFACES_PROP2, &var);
+ }
+ if (SUCCEEDED( hr))
+ {
+ // we expect an array( SafeArray or IDispatch) of Strings.
+ Any anyNames;
+ variantToAny( &var, anyNames, cppu::UnoType<Sequence<Any>>::get());
+ Sequence<Any> seqAny;
+ if( anyNames >>= seqAny)
+ {
+ seqTypes.realloc( seqAny.getLength());
+ auto pseqTypes = seqTypes.getArray();
+ for( sal_Int32 i=0; i < seqAny.getLength(); i++)
+ {
+ OUString typeName;
+ seqAny[i] >>= typeName;
+ pseqTypes[i]= Type( TypeClass_INTERFACE, typeName);
+ }
+ }
+ }
+ }
+ return seqTypes;
+}
+template<class T>
+Reference<XTypeConverter> UnoConversionUtilities<T>::getTypeConverter()
+{
+ if ( ! m_typeConverter.is())
+ {
+ MutexGuard guard(getBridgeMutex());
+ if ( ! m_typeConverter.is())
+ {
+ Reference<XInterface> xIntConverter =
+ m_smgr->createInstance("com.sun.star.script.Converter");
+ if (xIntConverter.is())
+ m_typeConverter.set(xIntConverter, UNO_QUERY);
+ }
+ }
+ return m_typeConverter;
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */