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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2000, 2010 Oracle and/or its affiliates.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* This file is part of OpenOffice.org.
*
* OpenOffice.org is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
* OpenOffice.org is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with OpenOffice.org. If not, see
* <http://www.openoffice.org/license.html>
* for a copy of the LGPLv3 License.
*
************************************************************************/
#include <string.h>
#include "iprcache.hxx"
#include "linguistic/misc.hxx"
#include <com/sun/star/linguistic2/DictionaryListEventFlags.hpp>
#include <tools/debug.hxx>
#include <osl/mutex.hxx>
#include <linguistic/lngprops.hxx>
using namespace utl;
using namespace osl;
using namespace com::sun::star;
using namespace com::sun::star::beans;
using namespace com::sun::star::lang;
using namespace com::sun::star::uno;
using namespace com::sun::star::linguistic2;
using ::rtl::OUString;
namespace linguistic
{
#define NUM_FLUSH_PROPS 6
static const struct
{
const char *pPropName;
sal_Int32 nPropHdl;
} aFlushProperties[ NUM_FLUSH_PROPS ] =
{
{ UPN_IS_USE_DICTIONARY_LIST, UPH_IS_USE_DICTIONARY_LIST },
{ UPN_IS_IGNORE_CONTROL_CHARACTERS, UPH_IS_IGNORE_CONTROL_CHARACTERS },
{ UPN_IS_SPELL_UPPER_CASE, UPH_IS_SPELL_UPPER_CASE },
{ UPN_IS_SPELL_WITH_DIGITS, UPH_IS_SPELL_WITH_DIGITS },
{ UPN_IS_SPELL_CAPITALIZATION, UPH_IS_SPELL_CAPITALIZATION }
};
static void lcl_AddAsPropertyChangeListener(
Reference< XPropertyChangeListener > xListener,
Reference< XPropertySet > &rPropSet )
{
if (xListener.is() && rPropSet.is())
{
for (int i = 0; i < NUM_FLUSH_PROPS; ++i)
{
rPropSet->addPropertyChangeListener(
::rtl::OUString::createFromAscii(aFlushProperties[i].pPropName), xListener );
}
}
}
static void lcl_RemoveAsPropertyChangeListener(
Reference< XPropertyChangeListener > xListener,
Reference< XPropertySet > &rPropSet )
{
if (xListener.is() && rPropSet.is())
{
for (int i = 0; i < NUM_FLUSH_PROPS; ++i)
{
rPropSet->removePropertyChangeListener(
::rtl::OUString::createFromAscii(aFlushProperties[i].pPropName), xListener );
}
}
}
static sal_Bool lcl_IsFlushProperty( sal_Int32 nHandle )
{
int i;
for (i = 0; i < NUM_FLUSH_PROPS; ++i)
{
if (nHandle == aFlushProperties[i].nPropHdl)
break;
}
return i < NUM_FLUSH_PROPS;
}
FlushListener::FlushListener( Flushable *pFO )
{
SetFlushObj( pFO );
}
FlushListener::~FlushListener()
{
}
void FlushListener::SetDicList( Reference<XDictionaryList> &rDL )
{
MutexGuard aGuard( GetLinguMutex() );
if (xDicList != rDL)
{
if (xDicList.is())
xDicList->removeDictionaryListEventListener( this );
xDicList = rDL;
if (xDicList.is())
xDicList->addDictionaryListEventListener( this, sal_False );
}
}
void FlushListener::SetPropSet( Reference< XPropertySet > &rPS )
{
MutexGuard aGuard( GetLinguMutex() );
if (xPropSet != rPS)
{
if (xPropSet.is())
lcl_RemoveAsPropertyChangeListener( this, xPropSet );
xPropSet = rPS;
if (xPropSet.is())
lcl_AddAsPropertyChangeListener( this, xPropSet );
}
}
void SAL_CALL FlushListener::disposing( const EventObject& rSource )
throw(RuntimeException)
{
MutexGuard aGuard( GetLinguMutex() );
if (xDicList.is() && rSource.Source == xDicList)
{
xDicList->removeDictionaryListEventListener( this );
xDicList = NULL; //! release reference
}
if (xPropSet.is() && rSource.Source == xPropSet)
{
lcl_RemoveAsPropertyChangeListener( this, xPropSet );
xPropSet = NULL; //! release reference
}
}
void SAL_CALL FlushListener::processDictionaryListEvent(
const DictionaryListEvent& rDicListEvent )
throw(RuntimeException)
{
MutexGuard aGuard( GetLinguMutex() );
if (rDicListEvent.Source == xDicList)
{
sal_Int16 nEvt = rDicListEvent.nCondensedEvent;
sal_Int16 nFlushFlags =
DictionaryListEventFlags::ADD_NEG_ENTRY |
DictionaryListEventFlags::DEL_POS_ENTRY |
DictionaryListEventFlags::ACTIVATE_NEG_DIC |
DictionaryListEventFlags::DEACTIVATE_POS_DIC;
sal_Bool bFlush = 0 != (nEvt & nFlushFlags);
DBG_ASSERT( pFlushObj, "missing object (NULL pointer)" );
if (bFlush && pFlushObj != NULL)
pFlushObj->Flush();
}
}
void SAL_CALL FlushListener::propertyChange(
const PropertyChangeEvent& rEvt )
throw(RuntimeException)
{
MutexGuard aGuard( GetLinguMutex() );
if (rEvt.Source == xPropSet)
{
sal_Bool bFlush = lcl_IsFlushProperty( rEvt.PropertyHandle );
DBG_ASSERT( pFlushObj, "missing object (NULL pointer)" );
if (bFlush && pFlushObj != NULL)
pFlushObj->Flush();
}
}
SpellCache::SpellCache()
{
pFlushLstnr = new FlushListener( this );
xFlushLstnr = pFlushLstnr;
Reference<XDictionaryList> aDictionaryList(GetDictionaryList());
pFlushLstnr->SetDicList( aDictionaryList ); //! after reference is established
Reference<XPropertySet> aPropertySet(GetLinguProperties());
pFlushLstnr->SetPropSet( aPropertySet ); //! after reference is established
}
SpellCache::~SpellCache()
{
Reference<XDictionaryList> aEmptyList;
Reference<XPropertySet> aEmptySet;
pFlushLstnr->SetDicList( aEmptyList );
pFlushLstnr->SetPropSet( aEmptySet );
}
void SpellCache::Flush()
{
MutexGuard aGuard( GetLinguMutex() );
// clear word list
LangWordList_t aEmpty;
aWordLists.swap( aEmpty );
}
bool SpellCache::CheckWord( const OUString& rWord, LanguageType nLang )
{
MutexGuard aGuard( GetLinguMutex() );
WordList_t &rList = aWordLists[ nLang ];
const WordList_t::const_iterator aIt = rList.find( rWord );
return aIt != rList.end();
}
void SpellCache::AddWord( const OUString& rWord, LanguageType nLang )
{
MutexGuard aGuard( GetLinguMutex() );
WordList_t & rList = aWordLists[ nLang ];
// occasional clean-up...
if (rList.size() > 500)
rList.clear();
rList.insert( rWord );
}
} // namespace linguistic
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