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office-gobmx/cppuhelper/source/propshlp.cxx
Noel Grandin f8deb64c3c throw more useful exception from OPropertySetHelper::getPropertyValue 
Change-Id: I90e7ab5763bf368cec795a8c39ece17579dd851d
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/172905
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>
Tested-by: Jenkins
2024-09-05 13:51:34 +02:00

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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 .
*/
#include <osl/diagnose.h>
#include <cppuhelper/implbase.hxx>
#include <cppuhelper/queryinterface.hxx>
#include <cppuhelper/propshlp.hxx>
#include <cppuhelper/exc_hlp.hxx>
#include <com/sun/star/beans/PropertyAttribute.hpp>
#include <com/sun/star/lang/DisposedException.hpp>
#include <com/sun/star/lang/IllegalArgumentException.hpp>
#include <memory>
#include <sal/log.hxx>
using namespace osl;
using namespace com::sun::star::uno;
using namespace com::sun::star::beans;
using namespace com::sun::star::lang;
using namespace cppu;
namespace cppu {
IPropertyArrayHelper::~IPropertyArrayHelper()
{
}
static const css::uno::Type & getPropertyTypeIdentifier( )
{
return cppu::UnoType<XPropertyChangeListener>::get();
}
static const css::uno::Type & getPropertiesTypeIdentifier()
{
return cppu::UnoType<XPropertiesChangeListener>::get();
}
static const css::uno::Type & getVetoableTypeIdentifier()
{
return cppu::UnoType<XVetoableChangeListener>::get();
}
extern "C" {
static int compare_OUString_Property_Impl( const void *arg1, const void *arg2 )
SAL_THROW_EXTERN_C()
{
return static_cast<OUString const *>(arg1)->compareTo( static_cast<Property const *>(arg2)->Name );
}
}
/**
* The class which implements the PropertySetInfo interface.
*/
namespace {
class OPropertySetHelperInfo_Impl
: public WeakImplHelper< css::beans::XPropertySetInfo >
{
Sequence < Property > aInfos;
public:
explicit OPropertySetHelperInfo_Impl( IPropertyArrayHelper & rHelper_ );
// XPropertySetInfo-methods
virtual Sequence< Property > SAL_CALL getProperties() override;
virtual Property SAL_CALL getPropertyByName(const OUString& PropertyName) override;
virtual sal_Bool SAL_CALL hasPropertyByName(const OUString& PropertyName) override;
};
}
/**
* Create an object that implements XPropertySetInfo IPropertyArrayHelper.
*/
OPropertySetHelperInfo_Impl::OPropertySetHelperInfo_Impl(
IPropertyArrayHelper & rHelper_ )
:aInfos( rHelper_.getProperties() )
{
}
/**
* Return the sequence of properties, which are provided through the constructor.
*/
Sequence< Property > OPropertySetHelperInfo_Impl::getProperties()
{
return aInfos;
}
/**
* Return the sequence of properties, which are provided through the constructor.
*/
Property OPropertySetHelperInfo_Impl::getPropertyByName( const OUString & PropertyName )
{
Property * pR;
pR = static_cast<Property *>(bsearch( &PropertyName, aInfos.getConstArray(), aInfos.getLength(),
sizeof( Property ),
compare_OUString_Property_Impl ));
if( !pR ) {
throw UnknownPropertyException(PropertyName);
}
return *pR;
}
/**
* Return the sequence of properties, which are provided through the constructor.
*/
sal_Bool OPropertySetHelperInfo_Impl::hasPropertyByName( const OUString & PropertyName )
{
Property * pR;
pR = static_cast<Property *>(bsearch( &PropertyName, aInfos.getConstArray(), aInfos.getLength(),
sizeof( Property ),
compare_OUString_Property_Impl ));
return pR != nullptr;
}
class OPropertySetHelper::Impl {
public:
Impl( bool i_bIgnoreRuntimeExceptionsWhileFiring,
IEventNotificationHook *i_pFireEvents
)
:m_bIgnoreRuntimeExceptionsWhileFiring( i_bIgnoreRuntimeExceptionsWhileFiring )
,m_bFireEvents(true)
,m_pFireEvents( i_pFireEvents )
{
}
bool m_bIgnoreRuntimeExceptionsWhileFiring;
bool m_bFireEvents;
class IEventNotificationHook * const m_pFireEvents;
std::vector< sal_Int32 > m_handles;
std::vector< Any > m_newValues;
std::vector< Any > m_oldValues;
};
OPropertySetHelper::OPropertySetHelper(
OBroadcastHelper & rBHelper_ )
: rBHelper( rBHelper_ ),
aBoundLC( rBHelper_.rMutex ),
aVetoableLC( rBHelper_.rMutex ),
m_pReserved( new Impl(false, nullptr) )
{
}
OPropertySetHelper::OPropertySetHelper(
OBroadcastHelper & rBHelper_, bool bIgnoreRuntimeExceptionsWhileFiring )
: rBHelper( rBHelper_ ),
aBoundLC( rBHelper_.rMutex ),
aVetoableLC( rBHelper_.rMutex ),
m_pReserved( new Impl( bIgnoreRuntimeExceptionsWhileFiring, nullptr ) )
{
}
OPropertySetHelper::OPropertySetHelper(
OBroadcastHelper & rBHelper_, IEventNotificationHook * i_pFireEvents,
bool bIgnoreRuntimeExceptionsWhileFiring)
: rBHelper( rBHelper_ ),
aBoundLC( rBHelper_.rMutex ),
aVetoableLC( rBHelper_.rMutex ),
m_pReserved(
new Impl( bIgnoreRuntimeExceptionsWhileFiring, i_pFireEvents) )
{
}
OPropertySetHelper2::OPropertySetHelper2(
OBroadcastHelper & irBHelper,
IEventNotificationHook *i_pFireEvents,
bool bIgnoreRuntimeExceptionsWhileFiring)
:OPropertySetHelper( irBHelper, i_pFireEvents, bIgnoreRuntimeExceptionsWhileFiring )
{
}
/**
* You must call disposing before.
*/
OPropertySetHelper::~OPropertySetHelper()
{
delete m_pReserved;
}
OPropertySetHelper2::~OPropertySetHelper2()
{
}
// XInterface
Any OPropertySetHelper::queryInterface( const css::uno::Type & rType )
{
return ::cppu::queryInterface(
rType,
static_cast< XPropertySet * >( this ),
static_cast< XMultiPropertySet * >( this ),
static_cast< XFastPropertySet * >( this ) );
}
Any OPropertySetHelper2::queryInterface( const css::uno::Type & rType )
{
Any cnd(cppu::queryInterface(rType, static_cast< XPropertySetOption * >(this)));
if ( cnd.hasValue() )
return cnd;
return OPropertySetHelper::queryInterface(rType);
}
/**
* called from the derivee's XTypeProvider::getTypes implementation
*/
css::uno::Sequence< css::uno::Type > OPropertySetHelper::getTypes()
{
return {
UnoType<css::beans::XPropertySet>::get(),
UnoType<css::beans::XMultiPropertySet>::get(),
UnoType<css::beans::XFastPropertySet>::get()};
}
// ComponentHelper
void OPropertySetHelper::disposing()
{
// Create an event with this as sender
Reference < XPropertySet > rSource = this;
EventObject aEvt;
aEvt.Source = rSource;
// inform all listeners to release this object
// The listener containers are automatically cleared
aBoundLC.disposeAndClear( aEvt );
aVetoableLC.disposeAndClear( aEvt );
}
Reference < XPropertySetInfo > OPropertySetHelper::createPropertySetInfo(
IPropertyArrayHelper & rProperties )
{
return new OPropertySetHelperInfo_Impl(rProperties);
}
// XPropertySet
void OPropertySetHelper::setPropertyValue(
const OUString& rPropertyName, const Any& rValue )
{
// get the map table
IPropertyArrayHelper & rPH = getInfoHelper();
// map the name to the handle
sal_Int32 nHandle = rPH.getHandleByName( rPropertyName );
// call the method of the XFastPropertySet interface
setFastPropertyValue( nHandle, rValue );
}
// XPropertySet
Any OPropertySetHelper::getPropertyValue(
const OUString& rPropertyName )
{
// get the map table
IPropertyArrayHelper & rPH = getInfoHelper();
// map the name to the handle
sal_Int32 nHandle = rPH.getHandleByName( rPropertyName );
if (nHandle == -1)
throw UnknownPropertyException(rPropertyName);
// call the method of the XFastPropertySet interface
return getFastPropertyValue( nHandle );
}
// XPropertySet
void OPropertySetHelper::addPropertyChangeListener(
const OUString& rPropertyName,
const Reference < XPropertyChangeListener > & rxListener )
{
MutexGuard aGuard( rBHelper.rMutex );
OSL_ENSURE( !rBHelper.bInDispose, "do not addPropertyChangeListener in the dispose call" );
OSL_ENSURE( !rBHelper.bDisposed, "object is disposed" );
if( rBHelper.bInDispose || rBHelper.bDisposed )
return;
// only add listeners if you are not disposed
// a listener with no name means all properties
if( !rPropertyName.isEmpty() )
{
// get the map table
IPropertyArrayHelper & rPH = getInfoHelper();
// map the name to the handle
sal_Int32 nHandle = rPH.getHandleByName( rPropertyName );
if( nHandle == -1 ) {
// property not known throw exception
throw UnknownPropertyException(rPropertyName);
}
sal_Int16 nAttributes;
rPH.fillPropertyMembersByHandle( nullptr, &nAttributes, nHandle );
if( !(nAttributes & css::beans::PropertyAttribute::BOUND) )
{
OSL_FAIL( "add listener to an unbound property" );
// silent ignore this
return;
}
// add the change listener to the helper container
aBoundLC.addInterface( nHandle, rxListener );
}
else
// add the change listener to the helper container
rBHelper.aLC.addInterface(
getPropertyTypeIdentifier( ),
rxListener
);
}
// XPropertySet
void OPropertySetHelper::removePropertyChangeListener(
const OUString& rPropertyName,
const Reference < XPropertyChangeListener >& rxListener )
{
MutexGuard aGuard( rBHelper.rMutex );
OSL_ENSURE( !rBHelper.bDisposed, "object is disposed" );
// all listeners are automatically released in a dispose call
if( rBHelper.bInDispose || rBHelper.bDisposed )
return;
if( !rPropertyName.isEmpty() )
{
// get the map table
IPropertyArrayHelper & rPH = getInfoHelper();
// map the name to the handle
sal_Int32 nHandle = rPH.getHandleByName( rPropertyName );
if( nHandle == -1 )
// property not known throw exception
throw UnknownPropertyException(rPropertyName);
aBoundLC.removeInterface( nHandle, rxListener );
}
else {
// remove the change listener to the helper container
rBHelper.aLC.removeInterface(
getPropertyTypeIdentifier( ),
rxListener
);
}
}
// XPropertySet
void OPropertySetHelper::addVetoableChangeListener(
const OUString& rPropertyName,
const Reference< XVetoableChangeListener > & rxListener )
{
MutexGuard aGuard( rBHelper.rMutex );
OSL_ENSURE( !rBHelper.bInDispose, "do not addVetoableChangeListener in the dispose call" );
OSL_ENSURE( !rBHelper.bDisposed, "object is disposed" );
if( rBHelper.bInDispose || rBHelper.bDisposed )
return;
// only add listeners if you are not disposed
// a listener with no name means all properties
if( !rPropertyName.isEmpty() )
{
// get the map table
IPropertyArrayHelper & rPH = getInfoHelper();
// map the name to the handle
sal_Int32 nHandle = rPH.getHandleByName( rPropertyName );
if( nHandle == -1 ) {
// property not known throw exception
throw UnknownPropertyException(rPropertyName);
}
sal_Int16 nAttributes;
rPH.fillPropertyMembersByHandle( nullptr, &nAttributes, nHandle );
if( !(nAttributes & PropertyAttribute::CONSTRAINED) )
{
OSL_FAIL( "addVetoableChangeListener, and property is not constrained" );
// silent ignore this
return;
}
// add the vetoable listener to the helper container
aVetoableLC.addInterface( nHandle, rxListener );
}
else
// add the vetoable listener to the helper container
rBHelper.aLC.addInterface(
getVetoableTypeIdentifier( ),
rxListener
);
}
// XPropertySet
void OPropertySetHelper::removeVetoableChangeListener(
const OUString& rPropertyName,
const Reference < XVetoableChangeListener > & rxListener )
{
MutexGuard aGuard( rBHelper.rMutex );
OSL_ENSURE( !rBHelper.bDisposed, "object is disposed" );
// all listeners are automatically released in a dispose call
if( rBHelper.bInDispose || rBHelper.bDisposed )
return;
if( !rPropertyName.isEmpty() )
{
// get the map table
IPropertyArrayHelper & rPH = getInfoHelper();
// map the name to the handle
sal_Int32 nHandle = rPH.getHandleByName( rPropertyName );
if( nHandle == -1 ) {
// property not known throw exception
throw UnknownPropertyException(rPropertyName);
}
// remove the vetoable listener to the helper container
aVetoableLC.removeInterface( nHandle, rxListener );
}
else
// add the vetoable listener to the helper container
rBHelper.aLC.removeInterface(
getVetoableTypeIdentifier( ),
rxListener
);
}
void OPropertySetHelper::setDependentFastPropertyValue( sal_Int32 i_handle, const css::uno::Any& i_value )
{
//OSL_PRECOND( rBHelper.rMutex.isAcquired(), "OPropertySetHelper::setDependentFastPropertyValue: to be called with a locked mutex only!" );
// there is no such thing as Mutex.isAcquired, sadly ...
sal_Int16 nAttributes(0);
IPropertyArrayHelper& rInfo = getInfoHelper();
if ( !rInfo.fillPropertyMembersByHandle( nullptr, &nAttributes, i_handle ) )
// unknown property
throw UnknownPropertyException(OUString::number(i_handle));
// no need to check for READONLY-ness of the property. The method is intended to be called internally, which
// implies it might be invoked for properties which are read-only to the instance's clients, but well allowed
// to change their value.
Any aConverted, aOld;
bool bChanged = convertFastPropertyValue( aConverted, aOld, i_handle, i_value );
if ( !bChanged )
return;
// don't fire vetoable events. This method is called with our mutex locked, so calling into listeners would not be
// a good idea. The caller is responsible for not invoking this for constrained properties.
OSL_ENSURE( ( nAttributes & PropertyAttribute::CONSTRAINED ) == 0,
"OPropertySetHelper::setDependentFastPropertyValue: not to be used for constrained properties!" );
// actually set the new value
try
{
setFastPropertyValue_NoBroadcast( i_handle, aConverted );
}
catch (const UnknownPropertyException& ) { throw; /* allowed to leave */ }
catch (const PropertyVetoException& ) { throw; /* allowed to leave */ }
catch (const IllegalArgumentException& ) { throw; /* allowed to leave */ }
catch (const WrappedTargetException& ) { throw; /* allowed to leave */ }
catch (const RuntimeException& ) { throw; /* allowed to leave */ }
catch (const Exception& )
{
// not allowed to leave this method
WrappedTargetException aWrapped;
aWrapped.TargetException = ::cppu::getCaughtException();
aWrapped.Context = static_cast< XPropertySet* >( this );
throw aWrapped;
}
// remember the handle/values, for the events to be fired later
m_pReserved->m_handles.push_back( i_handle );
m_pReserved->m_newValues.push_back( aConverted ); // TODO: setFastPropertyValue notifies the unconverted value here ...?
m_pReserved->m_oldValues.push_back( aOld );
}
// XFastPropertySet
void OPropertySetHelper::setFastPropertyValue( sal_Int32 nHandle, const Any& rValue )
{
OSL_ENSURE( !rBHelper.bInDispose, "do not setFastPropertyValue in the dispose call" );
OSL_ENSURE( !rBHelper.bDisposed, "object is disposed" );
IPropertyArrayHelper & rInfo = getInfoHelper();
sal_Int16 nAttributes;
if( !rInfo.fillPropertyMembersByHandle( nullptr, &nAttributes, nHandle ) ) {
// unknown property
throw UnknownPropertyException(OUString::number(nHandle));
}
if( nAttributes & PropertyAttribute::READONLY )
throw PropertyVetoException();
Any aConvertedVal;
Any aOldVal;
// Will the property change?
bool bChanged;
{
MutexGuard aGuard( rBHelper.rMutex );
bChanged = convertFastPropertyValue( aConvertedVal, aOldVal, nHandle, rValue );
// release guard to fire events
}
if( !bChanged )
return;
// Is it a constrained property?
if( nAttributes & PropertyAttribute::CONSTRAINED )
{
// In aValue is the converted rValue
// fire a constrained event
// second parameter NULL means constrained
fire( &nHandle, &rValue, &aOldVal, 1, true );
}
{
MutexGuard aGuard( rBHelper.rMutex );
try
{
// set the property to the new value
setFastPropertyValue_NoBroadcast( nHandle, aConvertedVal );
}
catch (const css::beans::UnknownPropertyException& ) { throw; /* allowed to leave */ }
catch (const css::beans::PropertyVetoException& ) { throw; /* allowed to leave */ }
catch (const css::lang::IllegalArgumentException& ) { throw; /* allowed to leave */ }
catch (const css::lang::WrappedTargetException& ) { throw; /* allowed to leave */ }
catch (const css::uno::RuntimeException& ) { throw; /* allowed to leave */ }
catch (const css::uno::Exception& e )
{
// not allowed to leave this method
css::lang::WrappedTargetException aWrap;
aWrap.Context = static_cast< css::beans::XPropertySet* >( this );
aWrap.TargetException <<= e;
throw aWrap;
}
// release guard to fire events
}
// file a change event, if the value changed
impl_fireAll( &nHandle, &rValue, &aOldVal, 1 );
}
// XFastPropertySet
Any OPropertySetHelper::getFastPropertyValue( sal_Int32 nHandle )
{
assert(nHandle != -1 && "passing -1 here indicates that the caller knows this is not a valid handle");
IPropertyArrayHelper & rInfo = getInfoHelper();
if( !rInfo.fillPropertyMembersByHandle( nullptr, nullptr, nHandle ) )
// unknown property
throw UnknownPropertyException(OUString::number(nHandle));
Any aRet;
MutexGuard aGuard( rBHelper.rMutex );
getFastPropertyValue( aRet, nHandle );
return aRet;
}
void OPropertySetHelper::impl_fireAll( sal_Int32* i_handles, const Any* i_newValues, const Any* i_oldValues, sal_Int32 i_count )
{
ClearableMutexGuard aGuard( rBHelper.rMutex );
if ( m_pReserved->m_handles.empty() )
{
aGuard.clear();
fire( i_handles, i_newValues, i_oldValues, i_count, false );
return;
}
const size_t additionalEvents = m_pReserved->m_handles.size();
OSL_ENSURE( additionalEvents == m_pReserved->m_newValues.size()
&& additionalEvents == m_pReserved->m_oldValues.size(),
"OPropertySetHelper::impl_fireAll: inconsistency!" );
std::vector< sal_Int32 > allHandles( additionalEvents + i_count );
std::copy( m_pReserved->m_handles.begin(), m_pReserved->m_handles.end(), allHandles.begin() );
std::copy( i_handles, i_handles + i_count, allHandles.begin() + additionalEvents );
std::vector< Any > allNewValues( additionalEvents + i_count );
std::copy( m_pReserved->m_newValues.begin(), m_pReserved->m_newValues.end(), allNewValues.begin() );
std::copy( i_newValues, i_newValues + i_count, allNewValues.begin() + additionalEvents );
std::vector< Any > allOldValues( additionalEvents + i_count );
std::copy( m_pReserved->m_oldValues.begin(), m_pReserved->m_oldValues.end(), allOldValues.begin() );
std::copy( i_oldValues, i_oldValues + i_count, allOldValues.begin() + additionalEvents );
m_pReserved->m_handles.clear();
m_pReserved->m_newValues.clear();
m_pReserved->m_oldValues.clear();
aGuard.clear();
fire( allHandles.data(), allNewValues.data(), allOldValues.data(), additionalEvents + i_count, false );
}
void OPropertySetHelper::fire
(
sal_Int32 * pnHandles,
const Any * pNewValues,
const Any * pOldValues,
sal_Int32 nHandles, // This is the Count of the array
sal_Bool bVetoable
)
{
if (! m_pReserved->m_bFireEvents)
return;
if (m_pReserved->m_pFireEvents) {
m_pReserved->m_pFireEvents->fireEvents(
pnHandles, nHandles, bVetoable,
m_pReserved->m_bIgnoreRuntimeExceptionsWhileFiring);
}
// Only fire, if one or more properties changed
if( !nHandles )
return;
// create the event sequence of all changed properties
Sequence< PropertyChangeEvent > aEvts( nHandles );
PropertyChangeEvent * pEvts = aEvts.getArray();
Reference < XInterface > xSource( static_cast<XPropertySet *>(this), UNO_QUERY );
sal_Int32 i;
sal_Int32 nChangesLen = 0;
// Loop over all changed properties to fill the event struct
for( i = 0; i < nHandles; i++ )
{
// Vetoable fire and constrained attribute set or
// Change fire and Changed and bound attribute set
IPropertyArrayHelper & rInfo = getInfoHelper();
sal_Int16 nAttributes;
OUString aPropName;
rInfo.fillPropertyMembersByHandle( &aPropName, &nAttributes, pnHandles[i] );
if(
(bVetoable && (nAttributes & PropertyAttribute::CONSTRAINED)) ||
(!bVetoable && (nAttributes & PropertyAttribute::BOUND))
)
{
pEvts[nChangesLen].Source = xSource;
pEvts[nChangesLen].PropertyName = aPropName;
pEvts[nChangesLen].PropertyHandle = pnHandles[i];
pEvts[nChangesLen].OldValue = pOldValues[i];
pEvts[nChangesLen].NewValue = pNewValues[i];
nChangesLen++;
}
}
bool bIgnoreRuntimeExceptionsWhileFiring =
m_pReserved->m_bIgnoreRuntimeExceptionsWhileFiring;
// fire the events for all changed properties
for( i = 0; i < nChangesLen; i++ )
{
// get the listener container for the property name
OInterfaceContainerHelper * pLC;
if( bVetoable ) // fire change Events?
pLC = aVetoableLC.getContainer( pEvts[i].PropertyHandle );
else
pLC = aBoundLC.getContainer( pEvts[i].PropertyHandle );
if( pLC )
{
// Iterate over all listeners and send events
OInterfaceIteratorHelper aIt( *pLC);
while( aIt.hasMoreElements() )
{
XInterface * pL = aIt.next();
try
{
try
{
if( bVetoable ) // fire change Events?
{
static_cast<XVetoableChangeListener *>(pL)->vetoableChange(
pEvts[i] );
}
else
{
static_cast<XPropertyChangeListener *>(pL)->propertyChange(
pEvts[i] );
}
}
catch (DisposedException & exc)
{
OSL_ENSURE( exc.Context.is(),
"DisposedException without Context!" );
if (exc.Context == pL)
aIt.remove();
else
throw;
}
}
catch (RuntimeException & exc)
{
SAL_INFO("cppuhelper", "caught RuntimeException while firing listeners: " << exc);
if (! bIgnoreRuntimeExceptionsWhileFiring)
throw;
}
}
}
// broadcast to all listeners with "" property name
if( bVetoable ){
// fire change Events?
pLC = rBHelper.aLC.getContainer(
getVetoableTypeIdentifier()
);
}
else {
pLC = rBHelper.aLC.getContainer(
getPropertyTypeIdentifier( )
);
}
if( pLC )
{
// Iterate over all listeners and send events.
OInterfaceIteratorHelper aIt( *pLC);
while( aIt.hasMoreElements() )
{
XInterface * pL = aIt.next();
try
{
try
{
if( bVetoable ) // fire change Events?
{
static_cast<XVetoableChangeListener *>(pL)->vetoableChange(
pEvts[i] );
}
else
{
static_cast<XPropertyChangeListener *>(pL)->propertyChange(
pEvts[i] );
}
}
catch (DisposedException & exc)
{
OSL_ENSURE( exc.Context.is(),
"DisposedException without Context!" );
if (exc.Context == pL)
aIt.remove();
else
throw;
}
}
catch (RuntimeException & exc)
{
SAL_INFO("cppuhelper", "caught RuntimeException while firing listeners: " << exc);
if (! bIgnoreRuntimeExceptionsWhileFiring)
throw;
}
}
}
}
// reduce array to changed properties
aEvts.realloc( nChangesLen );
if( bVetoable )
return;
auto pCont = rBHelper.aLC.getContainer(getPropertiesTypeIdentifier());
if (!pCont)
return;
// Here is a Bug, unbound properties are also fired
OInterfaceIteratorHelper aIt( *pCont );
while( aIt.hasMoreElements() )
{
XPropertiesChangeListener * pL =
static_cast<XPropertiesChangeListener *>(aIt.next());
try
{
try
{
// fire the whole event sequence to the
// XPropertiesChangeListener's
pL->propertiesChange( aEvts );
}
catch (DisposedException & exc)
{
OSL_ENSURE( exc.Context.is(),
"DisposedException without Context!" );
if (exc.Context == pL)
aIt.remove();
else
throw;
}
}
catch (RuntimeException & exc)
{
SAL_INFO("cppuhelper", "caught RuntimeException while firing listeners: " << exc);
if (! bIgnoreRuntimeExceptionsWhileFiring)
throw;
}
}
}
// OPropertySetHelper
void OPropertySetHelper::setFastPropertyValues(
sal_Int32 nSeqLen,
sal_Int32 * pHandles,
const Any * pValues,
sal_Int32 nHitCount )
{
OSL_ENSURE( !rBHelper.bInDispose, "do not getFastPropertyValue in the dispose call" );
OSL_ENSURE( !rBHelper.bDisposed, "object is disposed" );
// get the map table
IPropertyArrayHelper & rPH = getInfoHelper();
std::unique_ptr<Any[]> pConvertedValues(new Any[ nHitCount ]);
std::unique_ptr<Any[]> pOldValues(new Any[ nHitCount ]);
sal_Int32 n = 0;
sal_Int32 i;
{
// must lock the mutex outside the loop. So all values are consistent.
MutexGuard aGuard( rBHelper.rMutex );
for( i = 0; i < nSeqLen; i++ )
{
if( pHandles[i] != -1 )
{
sal_Int16 nAttributes;
rPH.fillPropertyMembersByHandle( nullptr, &nAttributes, pHandles[i] );
if( nAttributes & PropertyAttribute::READONLY ) {
throw PropertyVetoException();
}
// Will the property change?
if( convertFastPropertyValue( pConvertedValues[ n ], pOldValues[n],
pHandles[i], pValues[i] ) )
{
// only increment if the property really change
pHandles[n] = pHandles[i];
n++;
}
}
}
// release guard to fire events
}
// fire vetoable events
fire( pHandles, pConvertedValues.get(), pOldValues.get(), n, true );
{
// must lock the mutex outside the loop.
MutexGuard aGuard( rBHelper.rMutex );
// Loop over all changed properties
for( i = 0; i < n; i++ )
{
// Will the property change?
setFastPropertyValue_NoBroadcast( pHandles[i], pConvertedValues[i] );
}
// release guard to fire events
}
// fire change events
impl_fireAll( pHandles, pConvertedValues.get(), pOldValues.get(), n );
}
// XMultiPropertySet
/**
* The sequence may be contain not known properties. The implementation
* must ignore these properties.
*/
void OPropertySetHelper::setPropertyValues(
const Sequence<OUString>& rPropertyNames,
const Sequence<Any>& rValues )
{
sal_Int32 nSeqLen = rPropertyNames.getLength();
if (nSeqLen != rValues.getLength())
throw IllegalArgumentException(u"lengths do not match"_ustr, static_cast<XPropertySet*>(this),
-1);
std::unique_ptr<sal_Int32[]> pHandles(new sal_Int32[ nSeqLen ]);
// get the map table
IPropertyArrayHelper & rPH = getInfoHelper();
// fill the handle array
sal_Int32 nHitCount = rPH.fillHandles( pHandles.get(), rPropertyNames );
if( nHitCount != 0 )
setFastPropertyValues( nSeqLen, pHandles.get(), rValues.getConstArray(), nHitCount );
}
// XMultiPropertySet
Sequence<Any> OPropertySetHelper::getPropertyValues( const Sequence<OUString>& rPropertyNames )
{
sal_Int32 nSeqLen = rPropertyNames.getLength();
std::unique_ptr<sal_Int32[]> pHandles(new sal_Int32[ nSeqLen ]);
Sequence< Any > aValues( nSeqLen );
// get the map table
IPropertyArrayHelper & rPH = getInfoHelper();
// fill the handle array
rPH.fillHandles( pHandles.get(), rPropertyNames );
Any * pValues = aValues.getArray();
MutexGuard aGuard( rBHelper.rMutex );
// fill the sequence with the values
for( sal_Int32 i = 0; i < nSeqLen; i++ )
getFastPropertyValue( pValues[i], pHandles[i] );
return aValues;
}
// XMultiPropertySet
void OPropertySetHelper::addPropertiesChangeListener(
const Sequence<OUString> & ,
const Reference < XPropertiesChangeListener > & rListener )
{
rBHelper.addListener( cppu::UnoType<decltype(rListener)>::get(), rListener );
}
// XMultiPropertySet
void OPropertySetHelper::removePropertiesChangeListener(
const Reference < XPropertiesChangeListener > & rListener )
{
rBHelper.removeListener( cppu::UnoType<decltype(rListener)>::get(), rListener );
}
// XMultiPropertySet
void OPropertySetHelper::firePropertiesChangeEvent(
const Sequence<OUString>& rPropertyNames,
const Reference < XPropertiesChangeListener >& rListener )
{
sal_Int32 nLen = rPropertyNames.getLength();
std::unique_ptr<sal_Int32[]> pHandles(new sal_Int32[nLen]);
IPropertyArrayHelper & rPH = getInfoHelper();
rPH.fillHandles( pHandles.get(), rPropertyNames );
// get the count of matching properties
sal_Int32 nFireLen = 0;
sal_Int32 i;
for( i = 0; i < nLen; i++ )
if( pHandles[i] != -1 )
nFireLen++;
Sequence<PropertyChangeEvent> aChanges( nFireLen );
PropertyChangeEvent* pChanges = aChanges.getArray();
{
// must lock the mutex outside the loop. So all values are consistent.
MutexGuard aGuard( rBHelper.rMutex );
Reference < XInterface > xSource( static_cast<XPropertySet *>(this), UNO_QUERY );
sal_Int32 nFirePos = 0;
for( i = 0; i < nLen; i++ )
{
if( pHandles[i] != -1 )
{
pChanges[nFirePos].Source = xSource;
pChanges[nFirePos].PropertyName = rPropertyNames[i];
pChanges[nFirePos].PropertyHandle = pHandles[i];
getFastPropertyValue( pChanges[nFirePos].OldValue, pHandles[i] );
pChanges[nFirePos].NewValue = pChanges[nFirePos].OldValue;
nFirePos++;
}
}
// release guard to fire events
}
if( nFireLen )
rListener->propertiesChange( aChanges );
}
void OPropertySetHelper2::enableChangeListenerNotification( sal_Bool bEnable )
{
m_pReserved->m_bFireEvents = bEnable;
}
extern "C" {
static int compare_Property_Impl( const void *arg1, const void *arg2 )
SAL_THROW_EXTERN_C()
{
return static_cast<Property const *>(arg1)->Name.compareTo( static_cast<Property const *>(arg2)->Name );
}
}
void OPropertyArrayHelper::init( sal_Bool bSorted )
{
sal_Int32 i, nElements = aInfos.getLength();
for( i = 1; i < nElements; i++ )
{
if (aInfos[i - 1].Name > aInfos[i].Name)
{
if (bSorted) {
OSL_FAIL( "Property array is not sorted" );
}
// not sorted
qsort( aInfos.getArray(), nElements, sizeof( Property ),
compare_Property_Impl );
break;
}
}
for( i = 0; i < nElements; i++ )
if (aInfos[i].Handle != i)
return;
// The handle is the index
bRightOrdered = true;
}
OPropertyArrayHelper::OPropertyArrayHelper(
Property * pProps,
sal_Int32 nEle,
sal_Bool bSorted )
: m_pReserved(nullptr)
, aInfos(pProps, nEle)
, bRightOrdered( false )
{
init( bSorted );
}
OPropertyArrayHelper::OPropertyArrayHelper(
const Sequence< Property > & aProps,
sal_Bool bSorted )
: m_pReserved(nullptr)
, aInfos(aProps)
, bRightOrdered( false )
{
init( bSorted );
}
sal_Int32 OPropertyArrayHelper::getCount() const
{
return aInfos.getLength();
}
sal_Bool OPropertyArrayHelper::fillPropertyMembersByHandle
(
OUString * pPropName,
sal_Int16 * pAttributes,
sal_Int32 nHandle
)
{
sal_Int32 nElements = aInfos.getLength();
if( bRightOrdered )
{
if( nHandle < 0 || nHandle >= nElements )
return false;
if( pPropName )
*pPropName = aInfos[nHandle].Name;
if( pAttributes )
*pAttributes = aInfos[nHandle].Attributes;
return true;
}
// normally the array is sorted
for( sal_Int32 i = 0; i < nElements; i++ )
{
if (aInfos[i].Handle == nHandle)
{
if( pPropName )
*pPropName = aInfos[i].Name;
if( pAttributes )
*pAttributes = aInfos[i].Attributes;
return true;
}
}
return false;
}
Sequence< Property > OPropertyArrayHelper::getProperties()
{
return aInfos;
}
Property OPropertyArrayHelper::getPropertyByName(const OUString& aPropertyName)
{
Property * pR;
pR = static_cast<Property *>(bsearch( &aPropertyName, aInfos.getConstArray(), aInfos.getLength(),
sizeof( Property ),
compare_OUString_Property_Impl ));
if( !pR ) {
throw UnknownPropertyException(aPropertyName);
}
return *pR;
}
sal_Bool OPropertyArrayHelper::hasPropertyByName(const OUString& aPropertyName)
{
Property * pR;
pR = static_cast<Property *>(bsearch( &aPropertyName, aInfos.getConstArray(), aInfos.getLength(),
sizeof( Property ),
compare_OUString_Property_Impl ));
return pR != nullptr;
}
sal_Int32 OPropertyArrayHelper::getHandleByName( const OUString & rPropName )
{
Property * pR;
pR = static_cast<Property *>(bsearch( &rPropName, aInfos.getConstArray(), aInfos.getLength(),
sizeof( Property ),
compare_OUString_Property_Impl ));
return pR ? pR->Handle : -1;
}
sal_Int32 OPropertyArrayHelper::fillHandles( sal_Int32 * pHandles, const Sequence< OUString > & rPropNames )
{
sal_Int32 nHitCount = 0;
sal_Int32 nReqLen = rPropNames.getLength();
const Property * pCur = aInfos.begin();
const Property * pEnd = aInfos.end();
for( sal_Int32 i = 0; i < nReqLen; i++ )
{
// Calculate logarithm
sal_Int32 n = static_cast<sal_Int32>(pEnd - pCur);
sal_Int32 nLog = 0;
while( n )
{
nLog += 1;
n = n >> 1;
}
// Number of properties to search for * Log2 of the number of remaining
// properties to search in.
if( (nReqLen - i) * nLog >= pEnd - pCur )
{
// linear search is better
while (pCur < pEnd && rPropNames[i] > pCur->Name)
{
pCur++;
}
if (pCur < pEnd && rPropNames[i] == pCur->Name)
{
pHandles[i] = pCur->Handle;
nHitCount++;
}
else
pHandles[i] = -1;
}
else
{
// binary search is better
sal_Int32 nCompVal = 1;
const Property * pOldEnd = pEnd--;
const Property * pMid = pCur;
while( nCompVal != 0 && pCur <= pEnd )
{
pMid = (pEnd - pCur) / 2 + pCur;
nCompVal = rPropNames[i].compareTo(pMid->Name);
if( nCompVal > 0 )
pCur = pMid + 1;
else
pEnd = pMid - 1;
}
if( nCompVal == 0 )
{
pHandles[i] = pMid->Handle;
nHitCount++;
pCur = pMid +1;
}
else if( nCompVal > 0 )
{
pHandles[i] = -1;
pCur = pMid +1;
}
else
{
pHandles[i] = -1;
pCur = pMid;
}
pEnd = pOldEnd;
}
}
return nHitCount;
}
} // end namespace cppu
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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