545 lines
24 KiB
C++
545 lines
24 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*************************************************************************
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*
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* Copyright 2000, 2010 Oracle and/or its affiliates.
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*
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* OpenOffice.org - a multi-platform office productivity suite
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*
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* This file is part of OpenOffice.org.
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*
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* OpenOffice.org is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License version 3
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* only, as published by the Free Software Foundation.
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*
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* OpenOffice.org is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License version 3 for more details
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* (a copy is included in the LICENSE file that accompanied this code).
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*
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* You should have received a copy of the GNU Lesser General Public License
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* version 3 along with OpenOffice.org. If not, see
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* <http://www.openoffice.org/license.html>
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* for a copy of the LGPLv3 License.
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*
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************************************************************************/
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#include <comphelper/propertycontainerhelper.hxx>
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#include <comphelper/property.hxx>
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#include <osl/diagnose.h>
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#include <uno/data.h>
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#include <com/sun/star/uno/genfunc.h>
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#include <com/sun/star/beans/PropertyAttribute.hpp>
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#include <com/sun/star/beans/UnknownPropertyException.hpp>
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#include <rtl/ustrbuf.hxx>
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#include <algorithm>
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//.........................................................................
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namespace comphelper
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{
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//.........................................................................
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using namespace ::com::sun::star::uno;
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using namespace ::com::sun::star::lang;
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using namespace ::com::sun::star::beans;
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//--------------------------------------------------------------------------
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namespace
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{
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// comparing two property descriptions
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struct PropertyDescriptionCompareByHandle : public ::std::binary_function< PropertyDescription, PropertyDescription, bool >
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{
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bool operator() (const PropertyDescription& x, const PropertyDescription& y) const
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{
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return x.aProperty.Handle < y.aProperty.Handle;
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}
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};
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// comparing two property descriptions
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struct PropertyDescriptionHandleCompare : public ::std::binary_function< PropertyDescription, PropertyDescription, bool >
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{
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bool operator() (const PropertyDescription& x, const PropertyDescription& y) const
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{
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return x.aProperty.Handle < y.aProperty.Handle;
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}
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};
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// comparing two property descriptions (by name)
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struct PropertyDescriptionNameMatch : public ::std::unary_function< PropertyDescription, bool >
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{
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::rtl::OUString m_rCompare;
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PropertyDescriptionNameMatch( const ::rtl::OUString& _rCompare ) : m_rCompare( _rCompare ) { }
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bool operator() (const PropertyDescription& x ) const
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{
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return x.aProperty.Name.equals(m_rCompare);
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}
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};
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}
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//==========================================================================
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//= OPropertyContainerHelper
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//==========================================================================
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//--------------------------------------------------------------------------
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OPropertyContainerHelper::OPropertyContainerHelper()
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:m_bUnused(sal_False)
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{
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}
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// -------------------------------------------------------------------------
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OPropertyContainerHelper::~OPropertyContainerHelper()
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{
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}
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//--------------------------------------------------------------------------
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void OPropertyContainerHelper::registerProperty(const ::rtl::OUString& _rName, sal_Int32 _nHandle,
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sal_Int32 _nAttributes, void* _pPointerToMember, const Type& _rMemberType)
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{
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OSL_ENSURE((_nAttributes & PropertyAttribute::MAYBEVOID) == 0,
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"OPropertyContainerHelper::registerProperty: don't use this for properties which may be void ! There is a method called \"registerMayBeVoidProperty\" for this !");
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OSL_ENSURE(!_rMemberType.equals(::getCppuType(static_cast< Any* >(NULL))),
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"OPropertyContainerHelper::registerProperty: don't give my the type of an uno::Any ! Really can't handle this !");
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OSL_ENSURE(_pPointerToMember,
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"OPropertyContainerHelper::registerProperty: you gave me nonsense : the pointer must be non-NULL");
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PropertyDescription aNewProp;
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aNewProp.aProperty = Property( _rName, _nHandle, _rMemberType, (sal_Int16)_nAttributes );
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aNewProp.eLocated = PropertyDescription::ltDerivedClassRealType;
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aNewProp.aLocation.pDerivedClassMember = _pPointerToMember;
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implPushBackProperty(aNewProp);
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}
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//--------------------------------------------------------------------------
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void OPropertyContainerHelper::revokeProperty( sal_Int32 _nHandle )
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{
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PropertiesIterator aPos = searchHandle( _nHandle );
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if ( aPos == m_aProperties.end() )
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throw UnknownPropertyException();
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m_aProperties.erase( aPos );
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}
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//--------------------------------------------------------------------------
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void OPropertyContainerHelper::registerMayBeVoidProperty(const ::rtl::OUString& _rName, sal_Int32 _nHandle, sal_Int32 _nAttributes,
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Any* _pPointerToMember, const Type& _rExpectedType)
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{
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OSL_ENSURE((_nAttributes & PropertyAttribute::MAYBEVOID) != 0,
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"OPropertyContainerHelper::registerMayBeVoidProperty: why calling this when the attributes say nothing about may-be-void ?");
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OSL_ENSURE(!_rExpectedType.equals(::getCppuType(static_cast< Any* >(NULL))),
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"OPropertyContainerHelper::registerMayBeVoidProperty: don't give my the type of an uno::Any ! Really can't handle this !");
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OSL_ENSURE(_pPointerToMember,
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"OPropertyContainerHelper::registerMayBeVoidProperty: you gave me nonsense : the pointer must be non-NULL");
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_nAttributes |= PropertyAttribute::MAYBEVOID;
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PropertyDescription aNewProp;
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aNewProp.aProperty = Property( _rName, _nHandle, _rExpectedType, (sal_Int16)_nAttributes );
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aNewProp.eLocated = PropertyDescription::ltDerivedClassAnyType;
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aNewProp.aLocation.pDerivedClassMember = _pPointerToMember;
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implPushBackProperty(aNewProp);
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}
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//--------------------------------------------------------------------------
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void OPropertyContainerHelper::registerPropertyNoMember(const ::rtl::OUString& _rName, sal_Int32 _nHandle, sal_Int32 _nAttributes,
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const Type& _rType, const void* _pInitialValue)
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{
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OSL_ENSURE(!_rType.equals(::getCppuType(static_cast< Any* >(NULL))),
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"OPropertyContainerHelper::registerPropertyNoMember : don't give my the type of an uno::Any ! Really can't handle this !");
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OSL_ENSURE(_pInitialValue || ((_nAttributes & PropertyAttribute::MAYBEVOID) != 0),
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"OPropertyContainerHelper::registerPropertyNoMember : you should not ommit the initial value if the property can't be void ! This will definitivly crash later !");
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PropertyDescription aNewProp;
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aNewProp.aProperty = Property( _rName, _nHandle, _rType, (sal_Int16)_nAttributes );
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aNewProp.eLocated = PropertyDescription::ltHoldMyself;
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aNewProp.aLocation.nOwnClassVectorIndex = m_aHoldProperties.size();
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if (_pInitialValue)
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m_aHoldProperties.push_back(Any(_pInitialValue, _rType));
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else
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m_aHoldProperties.push_back(Any());
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implPushBackProperty(aNewProp);
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}
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//--------------------------------------------------------------------------
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sal_Bool OPropertyContainerHelper::isRegisteredProperty( sal_Int32 _nHandle ) const
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{
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return const_cast< OPropertyContainerHelper* >( this )->searchHandle( _nHandle ) != m_aProperties.end();
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}
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//--------------------------------------------------------------------------
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sal_Bool OPropertyContainerHelper::isRegisteredProperty( const ::rtl::OUString& _rName ) const
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{
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// TODO: the current structure is from a time where properties were
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// static, not dynamic. Since we allow that properties are also dynamic,
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// i.e. registered and revoked even though the XPropertySet has already been
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// accessed, a vector is not really the best data structure anymore ...
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ConstPropertiesIterator pos = ::std::find_if(
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m_aProperties.begin(),
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m_aProperties.end(),
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PropertyDescriptionNameMatch( _rName )
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);
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return pos != m_aProperties.end();
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}
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//--------------------------------------------------------------------------
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namespace
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{
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struct ComparePropertyHandles
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{
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bool operator()( const PropertyDescription& _rLHS, const PropertyDescription& _nRHS ) const
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{
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return _rLHS.aProperty.Handle < _nRHS.aProperty.Handle;
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}
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};
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}
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//--------------------------------------------------------------------------
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void OPropertyContainerHelper::implPushBackProperty(const PropertyDescription& _rProp)
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{
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#ifdef DBG_UTIL
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for ( PropertiesIterator checkConflicts = m_aProperties.begin();
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checkConflicts != m_aProperties.end();
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++checkConflicts
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)
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{
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OSL_ENSURE(checkConflicts->aProperty.Name != _rProp.aProperty.Name, "OPropertyContainerHelper::implPushBackProperty: name already exists!");
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OSL_ENSURE(checkConflicts->aProperty.Handle != _rProp.aProperty.Handle, "OPropertyContainerHelper::implPushBackProperty: handle already exists!");
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}
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#endif
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PropertiesIterator pos = ::std::lower_bound(
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m_aProperties.begin(), m_aProperties.end(),
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_rProp, ComparePropertyHandles() );
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m_aProperties.insert( pos, _rProp );
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}
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//--------------------------------------------------------------------------
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namespace
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{
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void lcl_throwIllegalPropertyValueTypeException( const PropertyDescription& _rProperty, const Any& _rValue )
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{
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::rtl::OUStringBuffer aErrorMessage;
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aErrorMessage.appendAscii( "The given value cannot be converted to the required property type." );
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aErrorMessage.appendAscii( "\n(property name \"" );
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aErrorMessage.append( _rProperty.aProperty.Name );
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aErrorMessage.appendAscii( "\", found value type \"" );
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aErrorMessage.append( _rValue.getValueType().getTypeName() );
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aErrorMessage.appendAscii( "\", required property type \"" );
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aErrorMessage.append( _rProperty.aProperty.Type.getTypeName() );
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aErrorMessage.appendAscii( "\")" );
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throw IllegalArgumentException( aErrorMessage.makeStringAndClear(), NULL, 4 );
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}
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}
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//--------------------------------------------------------------------------
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sal_Bool OPropertyContainerHelper::convertFastPropertyValue(
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Any& _rConvertedValue, Any& _rOldValue, sal_Int32 _nHandle, const Any& _rValue ) SAL_THROW( (IllegalArgumentException) )
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{
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sal_Bool bModified = sal_False;
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// get the property somebody is asking for
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PropertiesIterator aPos = searchHandle(_nHandle);
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if (aPos == m_aProperties.end())
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{
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OSL_FAIL( "OPropertyContainerHelper::convertFastPropertyValue: unknown handle!" );
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// should not happen if the derived class has built a correct property set info helper to be used by
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// our base class OPropertySetHelper
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return bModified;
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}
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switch (aPos->eLocated)
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{
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// similar handling for the two cases where the value is stored in an any
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case PropertyDescription::ltHoldMyself:
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case PropertyDescription::ltDerivedClassAnyType:
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{
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sal_Bool bMayBeVoid = ((aPos->aProperty.Attributes & PropertyAttribute::MAYBEVOID) != 0);
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// non modifiable version of the value-to-be-set
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Any aNewRequestedValue( _rValue );
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// normalization
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// #i29490#
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if ( !aNewRequestedValue.getValueType().equals( aPos->aProperty.Type ) )
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{ // the actually given value is not of the same type as the one required
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Any aProperlyTyped( NULL, aPos->aProperty.Type.getTypeLibType() );
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if ( uno_type_assignData(
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const_cast< void* >( aProperlyTyped.getValue() ), aProperlyTyped.getValueType().getTypeLibType(),
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const_cast< void* >( aNewRequestedValue.getValue() ), aNewRequestedValue.getValueType().getTypeLibType(),
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reinterpret_cast< uno_QueryInterfaceFunc >( cpp_queryInterface ),
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reinterpret_cast< uno_AcquireFunc >( cpp_acquire ),
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reinterpret_cast< uno_ReleaseFunc >( cpp_release )
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)
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)
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{
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// we were able to query the given XInterface-derivee for the interface
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// which is required for this property
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aNewRequestedValue = aProperlyTyped;
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}
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}
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// argument check
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if ( ! ( (bMayBeVoid && !aNewRequestedValue.hasValue()) // void is allowed if the attribute says so
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|| (aNewRequestedValue.getValueType().equals(aPos->aProperty.Type)) // else the types have to be equal
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)
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)
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{
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lcl_throwIllegalPropertyValueTypeException( *aPos, _rValue );
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}
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Any* pPropContainer = NULL;
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// the pointer to the any which holds the property value, no matter if located in the derived clas
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// or in out vector
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if (PropertyDescription::ltHoldMyself == aPos->eLocated)
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{
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OSL_ENSURE(aPos->aLocation.nOwnClassVectorIndex < (sal_Int32)m_aHoldProperties.size(),
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"OPropertyContainerHelper::convertFastPropertyValue: invalid position !");
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PropertyContainerIterator aIter = m_aHoldProperties.begin() + aPos->aLocation.nOwnClassVectorIndex;
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pPropContainer = &(*aIter);
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}
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else
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pPropContainer = reinterpret_cast<Any*>(aPos->aLocation.pDerivedClassMember);
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// check if the new value differs from the current one
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if (!pPropContainer->hasValue() || !aNewRequestedValue.hasValue())
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bModified = pPropContainer->hasValue() != aNewRequestedValue.hasValue();
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else
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bModified = !uno_type_equalData(
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const_cast< void* >( pPropContainer->getValue() ), aPos->aProperty.Type.getTypeLibType(),
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const_cast< void* >( aNewRequestedValue.getValue() ), aPos->aProperty.Type.getTypeLibType(),
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reinterpret_cast< uno_QueryInterfaceFunc >( cpp_queryInterface ),
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reinterpret_cast< uno_ReleaseFunc >( cpp_release )
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);
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if (bModified)
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{
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_rOldValue = *pPropContainer;
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_rConvertedValue = aNewRequestedValue;
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}
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}
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break;
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case PropertyDescription::ltDerivedClassRealType:
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// let the UNO runtime library do any possible conversion
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// this may include a change of the type - for instance, if a LONG is required,
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// but a short is given, then this is valid, as it can be converted without any potential
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// data loss
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Any aProperlyTyped;
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const Any* pNewValue = &_rValue;
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if (!_rValue.getValueType().equals(aPos->aProperty.Type))
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{
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sal_Bool bConverted = sal_False;
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// a temporary any of the correct (required) type
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aProperlyTyped = Any( NULL, aPos->aProperty.Type.getTypeLibType() );
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// (need this as we do not want to overwrite the derived class member here)
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if ( uno_type_assignData(
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const_cast<void*>(aProperlyTyped.getValue()), aProperlyTyped.getValueType().getTypeLibType(),
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const_cast<void*>(_rValue.getValue()), _rValue.getValueType().getTypeLibType(),
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reinterpret_cast< uno_QueryInterfaceFunc >( cpp_queryInterface ),
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reinterpret_cast< uno_AcquireFunc >( cpp_acquire ),
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reinterpret_cast< uno_ReleaseFunc >( cpp_release )
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)
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)
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{
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// could query for the requested interface
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bConverted = sal_True;
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pNewValue = &aProperlyTyped;
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}
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if ( !bConverted )
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lcl_throwIllegalPropertyValueTypeException( *aPos, _rValue );
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}
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// from here on, we should have the proper type
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OSL_ENSURE( pNewValue->getValueType() == aPos->aProperty.Type,
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"OPropertyContainerHelper::convertFastPropertyValue: conversion failed!" );
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bModified = !uno_type_equalData(
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aPos->aLocation.pDerivedClassMember, aPos->aProperty.Type.getTypeLibType(),
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const_cast<void*>(pNewValue->getValue()), aPos->aProperty.Type.getTypeLibType(),
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reinterpret_cast< uno_QueryInterfaceFunc >( cpp_queryInterface ),
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reinterpret_cast< uno_ReleaseFunc >( cpp_release )
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);
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if (bModified)
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{
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_rOldValue.setValue(aPos->aLocation.pDerivedClassMember, aPos->aProperty.Type);
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_rConvertedValue = *pNewValue;
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}
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break;
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}
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return bModified;
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}
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//--------------------------------------------------------------------------
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void OPropertyContainerHelper::setFastPropertyValue(sal_Int32 _nHandle, const Any& _rValue) SAL_THROW( (Exception) )
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{
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// get the property somebody is asking for
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PropertiesIterator aPos = searchHandle(_nHandle);
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if (aPos == m_aProperties.end())
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{
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OSL_FAIL( "OPropertyContainerHelper::setFastPropertyValue: unknown handle!" );
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// should not happen if the derived class has built a correct property set info helper to be used by
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// our base class OPropertySetHelper
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return;
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}
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switch (aPos->eLocated)
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{
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case PropertyDescription::ltHoldMyself:
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m_aHoldProperties[aPos->aLocation.nOwnClassVectorIndex] = _rValue;
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break;
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case PropertyDescription::ltDerivedClassAnyType:
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*reinterpret_cast< Any* >(aPos->aLocation.pDerivedClassMember) = _rValue;
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break;
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case PropertyDescription::ltDerivedClassRealType:
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#if OSL_DEBUG_LEVEL > 0
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sal_Bool bSuccess =
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#endif
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// copy the data from the to-be-set value
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uno_type_assignData(
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aPos->aLocation.pDerivedClassMember, aPos->aProperty.Type.getTypeLibType(),
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const_cast< void* >( _rValue.getValue() ), _rValue.getValueType().getTypeLibType(),
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reinterpret_cast< uno_QueryInterfaceFunc >( cpp_queryInterface ),
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reinterpret_cast< uno_AcquireFunc >( cpp_acquire ),
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reinterpret_cast< uno_ReleaseFunc >( cpp_release ) );
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OSL_ENSURE( bSuccess,
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"OPropertyContainerHelper::setFastPropertyValue: ooops .... the value could not be assigned!");
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break;
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}
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}
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//--------------------------------------------------------------------------
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void OPropertyContainerHelper::getFastPropertyValue(Any& _rValue, sal_Int32 _nHandle) const
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{
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// get the property somebody is asking for
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PropertiesIterator aPos = const_cast<OPropertyContainerHelper*>(this)->searchHandle(_nHandle);
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if (aPos == m_aProperties.end())
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{
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OSL_FAIL( "OPropertyContainerHelper::getFastPropertyValue: unknown handle!" );
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// should not happen if the derived class has built a correct property set info helper to be used by
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// our base class OPropertySetHelper
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return;
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}
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switch (aPos->eLocated)
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{
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case PropertyDescription::ltHoldMyself:
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OSL_ENSURE(aPos->aLocation.nOwnClassVectorIndex < (sal_Int32)m_aHoldProperties.size(),
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"OPropertyContainerHelper::convertFastPropertyValue: invalid position !");
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_rValue = m_aHoldProperties[aPos->aLocation.nOwnClassVectorIndex];
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break;
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case PropertyDescription::ltDerivedClassAnyType:
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_rValue = *reinterpret_cast<Any*>(aPos->aLocation.pDerivedClassMember);
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break;
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case PropertyDescription::ltDerivedClassRealType:
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_rValue.setValue(aPos->aLocation.pDerivedClassMember, aPos->aProperty.Type);
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break;
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}
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}
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//--------------------------------------------------------------------------
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OPropertyContainerHelper::PropertiesIterator OPropertyContainerHelper::searchHandle(sal_Int32 _nHandle)
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{
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PropertyDescription aHandlePropDesc;
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aHandlePropDesc.aProperty.Handle = _nHandle;
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// search a lower bound
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PropertiesIterator aLowerBound = ::std::lower_bound(
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m_aProperties.begin(),
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m_aProperties.end(),
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aHandlePropDesc,
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PropertyDescriptionHandleCompare());
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// check for identity
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if ((aLowerBound != m_aProperties.end()) && aLowerBound->aProperty.Handle != _nHandle)
|
|
aLowerBound = m_aProperties.end();
|
|
|
|
return aLowerBound;
|
|
}
|
|
|
|
//--------------------------------------------------------------------------
|
|
const Property& OPropertyContainerHelper::getProperty( const ::rtl::OUString& _rName ) const
|
|
{
|
|
ConstPropertiesIterator pos = ::std::find_if(
|
|
m_aProperties.begin(),
|
|
m_aProperties.end(),
|
|
PropertyDescriptionNameMatch( _rName )
|
|
);
|
|
if ( pos == m_aProperties.end() )
|
|
throw UnknownPropertyException( _rName, NULL );
|
|
|
|
return pos->aProperty;
|
|
}
|
|
|
|
//--------------------------------------------------------------------------
|
|
void OPropertyContainerHelper::modifyAttributes(sal_Int32 _nHandle, sal_Int32 _nAddAttrib, sal_Int32 _nRemoveAttrib)
|
|
{
|
|
// get the property somebody is asking for
|
|
PropertiesIterator aPos = searchHandle(_nHandle);
|
|
if (aPos == m_aProperties.end())
|
|
{
|
|
OSL_FAIL( "OPropertyContainerHelper::modifyAttributes: unknown handle!" );
|
|
// should not happen if the derived class has built a correct property set info helper to be used by
|
|
// our base class OPropertySetHelper
|
|
return;
|
|
}
|
|
aPos->aProperty.Handle |= _nAddAttrib;
|
|
aPos->aProperty.Handle &= ~_nRemoveAttrib;
|
|
}
|
|
|
|
//--------------------------------------------------------------------------
|
|
void OPropertyContainerHelper::describeProperties(Sequence< Property >& _rProps) const
|
|
{
|
|
Sequence< Property > aOwnProps(m_aProperties.size());
|
|
Property* pOwnProps = aOwnProps.getArray();
|
|
|
|
for ( ConstPropertiesIterator aLoop = m_aProperties.begin();
|
|
aLoop != m_aProperties.end();
|
|
++aLoop, ++pOwnProps
|
|
)
|
|
{
|
|
pOwnProps->Name = aLoop->aProperty.Name;
|
|
pOwnProps->Handle = aLoop->aProperty.Handle;
|
|
pOwnProps->Attributes = (sal_Int16)aLoop->aProperty.Attributes;
|
|
pOwnProps->Type = aLoop->aProperty.Type;
|
|
}
|
|
|
|
// as our property vector is sorted by handles, not by name, we have to sort aOwnProps
|
|
::std::sort(aOwnProps.getArray(), aOwnProps.getArray() + aOwnProps.getLength(), PropertyCompareByName());
|
|
|
|
// unfortunally the STL merge function does not allow the output range to overlap one of the input ranges,
|
|
// so we need an extra sequence
|
|
Sequence< Property > aOutput;
|
|
aOutput.realloc(_rProps.getLength() + aOwnProps.getLength());
|
|
// do the merge
|
|
::std::merge( _rProps.getConstArray(), _rProps.getConstArray() + _rProps.getLength(), // input 1
|
|
aOwnProps.getConstArray(), aOwnProps.getConstArray() + aOwnProps.getLength(), // input 2
|
|
aOutput.getArray(), // output
|
|
PropertyCompareByName() // compare operator
|
|
);
|
|
|
|
// copy the output
|
|
_rProps = aOutput;
|
|
}
|
|
|
|
//.........................................................................
|
|
} // namespace comphelper
|
|
//.........................................................................
|
|
|
|
|
|
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|