/* -*- 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 #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include "dlistimp.hxx" #include "dicimp.hxx" #include "lngopt.hxx" using namespace osl; using namespace com::sun::star; using namespace com::sun::star::lang; using namespace com::sun::star::uno; using namespace com::sun::star::linguistic2; using namespace linguistic; static bool IsVers2OrNewer( const OUString& rFileURL, LanguageType& nLng, bool& bNeg, OUString& aDicName ); static void AddInternal( const uno::Reference< XDictionary > &rDic, const OUString& rNew ); static void AddUserData( const uno::Reference< XDictionary > &rDic ); class DicEvtListenerHelper : public cppu::WeakImplHelper < XDictionaryEventListener > { comphelper::OInterfaceContainerHelper3 aDicListEvtListeners; uno::Reference< XDictionaryList > xMyDicList; sal_Int16 nCondensedEvt; sal_Int16 nNumCollectEvtListeners; public: explicit DicEvtListenerHelper( uno::Reference< XDictionaryList > xDicList ); virtual ~DicEvtListenerHelper() override; // XEventListener virtual void SAL_CALL disposing( const EventObject& rSource ) override; // XDictionaryEventListener virtual void SAL_CALL processDictionaryEvent( const DictionaryEvent& rDicEvent ) override; // non-UNO functions void DisposeAndClear( const EventObject &rEvtObj ); bool AddDicListEvtListener( const uno::Reference< XDictionaryListEventListener >& rxListener ); bool RemoveDicListEvtListener( const uno::Reference< XDictionaryListEventListener >& rxListener ); sal_Int16 BeginCollectEvents() { return ++nNumCollectEvtListeners;} sal_Int16 EndCollectEvents(); sal_Int16 FlushEvents(); void ClearEvents() { nCondensedEvt = 0; } }; DicEvtListenerHelper::DicEvtListenerHelper( uno::Reference< XDictionaryList > xDicList ) : aDicListEvtListeners ( GetLinguMutex() ), xMyDicList (std::move( xDicList )), nCondensedEvt(0), nNumCollectEvtListeners(0) { } DicEvtListenerHelper::~DicEvtListenerHelper() { DBG_ASSERT(aDicListEvtListeners.getLength() == 0, "lng : event listeners are still existing"); } void DicEvtListenerHelper::DisposeAndClear( const EventObject &rEvtObj ) { aDicListEvtListeners.disposeAndClear( rEvtObj ); } void SAL_CALL DicEvtListenerHelper::disposing( const EventObject& rSource ) { osl::MutexGuard aGuard( GetLinguMutex() ); uno::Reference< XDictionaryListEventListener > xSrc( rSource.Source, UNO_QUERY ); // remove event object from EventListener list if (xSrc.is()) aDicListEvtListeners.removeInterface( xSrc ); // if object is a dictionary then remove it from the dictionary list // Note: this will probably happen only if someone makes a XDictionary // implementation of his own that is also a XComponent. uno::Reference< XDictionary > xDic( rSource.Source, UNO_QUERY ); if (xDic.is()) { xMyDicList->removeDictionary( xDic ); } } void SAL_CALL DicEvtListenerHelper::processDictionaryEvent( const DictionaryEvent& rDicEvent ) { osl::MutexGuard aGuard( GetLinguMutex() ); uno::Reference< XDictionary > xDic( rDicEvent.Source, UNO_QUERY ); DBG_ASSERT(xDic.is(), "lng : missing event source"); // assert that there is a corresponding dictionary entry if one was // added or deleted DBG_ASSERT( !(rDicEvent.nEvent & (DictionaryEventFlags::ADD_ENTRY | DictionaryEventFlags::DEL_ENTRY)) || rDicEvent.xDictionaryEntry.is(), "lng : missing dictionary entry" ); // evaluate DictionaryEvents and update data for next DictionaryListEvent DictionaryType eDicType = xDic->getDictionaryType(); DBG_ASSERT(eDicType != DictionaryType_MIXED, "lng : unexpected dictionary type"); if ((rDicEvent.nEvent & DictionaryEventFlags::ADD_ENTRY) && xDic->isActive()) nCondensedEvt |= rDicEvent.xDictionaryEntry->isNegative() ? DictionaryListEventFlags::ADD_NEG_ENTRY : DictionaryListEventFlags::ADD_POS_ENTRY; if ((rDicEvent.nEvent & DictionaryEventFlags::DEL_ENTRY) && xDic->isActive()) nCondensedEvt |= rDicEvent.xDictionaryEntry->isNegative() ? DictionaryListEventFlags::DEL_NEG_ENTRY : DictionaryListEventFlags::DEL_POS_ENTRY; if ((rDicEvent.nEvent & DictionaryEventFlags::ENTRIES_CLEARED) && xDic->isActive()) nCondensedEvt |= eDicType == DictionaryType_NEGATIVE ? DictionaryListEventFlags::DEL_NEG_ENTRY : DictionaryListEventFlags::DEL_POS_ENTRY; if ((rDicEvent.nEvent & DictionaryEventFlags::CHG_LANGUAGE) && xDic->isActive()) nCondensedEvt |= eDicType == DictionaryType_NEGATIVE ? DictionaryListEventFlags::DEACTIVATE_NEG_DIC | DictionaryListEventFlags::ACTIVATE_NEG_DIC : DictionaryListEventFlags::DEACTIVATE_POS_DIC | DictionaryListEventFlags::ACTIVATE_POS_DIC; if (rDicEvent.nEvent & DictionaryEventFlags::ACTIVATE_DIC) nCondensedEvt |= eDicType == DictionaryType_NEGATIVE ? DictionaryListEventFlags::ACTIVATE_NEG_DIC : DictionaryListEventFlags::ACTIVATE_POS_DIC; if (rDicEvent.nEvent & DictionaryEventFlags::DEACTIVATE_DIC) nCondensedEvt |= eDicType == DictionaryType_NEGATIVE ? DictionaryListEventFlags::DEACTIVATE_NEG_DIC : DictionaryListEventFlags::DEACTIVATE_POS_DIC; if (nNumCollectEvtListeners == 0 && nCondensedEvt != 0) FlushEvents(); } bool DicEvtListenerHelper::AddDicListEvtListener( const uno::Reference< XDictionaryListEventListener >& xListener ) { DBG_ASSERT( xListener.is(), "empty reference" ); sal_Int32 nCount = aDicListEvtListeners.getLength(); return aDicListEvtListeners.addInterface( xListener ) != nCount; } bool DicEvtListenerHelper::RemoveDicListEvtListener( const uno::Reference< XDictionaryListEventListener >& xListener ) { DBG_ASSERT( xListener.is(), "empty reference" ); sal_Int32 nCount = aDicListEvtListeners.getLength(); return aDicListEvtListeners.removeInterface( xListener ) != nCount; } sal_Int16 DicEvtListenerHelper::EndCollectEvents() { DBG_ASSERT(nNumCollectEvtListeners > 0, "lng: mismatched function call"); if (nNumCollectEvtListeners > 0) { FlushEvents(); nNumCollectEvtListeners--; } return nNumCollectEvtListeners; } sal_Int16 DicEvtListenerHelper::FlushEvents() { if (0 != nCondensedEvt) { // build DictionaryListEvent to pass on to listeners uno::Sequence< DictionaryEvent > aDicEvents; DictionaryListEvent aEvent( xMyDicList, nCondensedEvt, aDicEvents ); // pass on event aDicListEvtListeners.notifyEach( &XDictionaryListEventListener::processDictionaryListEvent, aEvent ); // clear "list" of events nCondensedEvt = 0; } return nNumCollectEvtListeners; } void DicList::MyAppExitListener::AtExit() { rMyDicList.SaveDics(); } DicList::DicList() : aEvtListeners ( GetLinguMutex() ) { mxDicEvtLstnrHelper = new DicEvtListenerHelper( this ); bDisposing = false; bInCreation = false; mxExitListener = new MyAppExitListener( *this ); mxExitListener->Activate(); } DicList::~DicList() { mxExitListener->Deactivate(); } void DicList::SearchForDictionaries( DictionaryVec_t&rDicList, const OUString &rDicDirURL, bool bIsWriteablePath ) { osl::MutexGuard aGuard( GetLinguMutex() ); const uno::Sequence< OUString > aDirCnt( utl::LocalFileHelper:: GetFolderContents( rDicDirURL, false ) ); SvtSysLocale aSysLocale; for (const OUString& aURL : aDirCnt) { LanguageType nLang = LANGUAGE_NONE; bool bNeg = false; OUString aDicTitle = ""; if(!::IsVers2OrNewer( aURL, nLang, bNeg, aDicTitle )) { // When not sal_Int32 nPos = aURL.indexOf('.'); OUString aExt( aURL.copy(nPos + 1).toAsciiLowerCase() ); if ("dcn" == aExt) // negative bNeg = true; else if ("dcp" == aExt) // positive bNeg = false; else continue; // other files } // Record in the list of Dictionaries // When it already exists don't record OUString aTmp1 = aSysLocale.GetCharClass().lowercase( aURL); sal_Int32 nPos = aTmp1.lastIndexOf( '/' ); if (-1 != nPos) aTmp1 = aTmp1.copy( nPos + 1 ); OUString aTmp2; size_t j; size_t nCount = rDicList.size(); for(j = 0; j < nCount; j++) { aTmp2 = rDicList[j]->getName(); aTmp2 = aSysLocale.GetCharClass().lowercase( aTmp2); if(aTmp1 == aTmp2) break; } if(j >= nCount) // dictionary not yet in DicList { // get decoded dictionary file name INetURLObject aURLObj( aURL ); OUString aDicName = aURLObj.getName( INetURLObject::LAST_SEGMENT, true, INetURLObject::DecodeMechanism::WithCharset ); DictionaryType eType = bNeg ? DictionaryType_NEGATIVE : DictionaryType_POSITIVE; uno::Reference< XDictionary > xDic = new DictionaryNeo( aDicTitle.isEmpty() ? aDicName : aDicTitle, nLang, eType, aURL, bIsWriteablePath ); addDictionary( xDic ); nCount++; } } } sal_Int32 DicList::GetDicPos(const uno::Reference< XDictionary > &xDic) { osl::MutexGuard aGuard( GetLinguMutex() ); DictionaryVec_t& rDicList = GetOrCreateDicList(); size_t n = rDicList.size(); for (size_t i = 0; i < n; i++) { if ( rDicList[i] == xDic ) return i; } return -1; } sal_Int16 SAL_CALL DicList::getCount() { osl::MutexGuard aGuard( GetLinguMutex() ); return static_cast< sal_Int16 >(GetOrCreateDicList().size()); } uno::Sequence< uno::Reference< XDictionary > > SAL_CALL DicList::getDictionaries() { osl::MutexGuard aGuard( GetLinguMutex() ); DictionaryVec_t& rDicList = GetOrCreateDicList(); return comphelper::containerToSequence(rDicList); } uno::Reference< XDictionary > SAL_CALL DicList::getDictionaryByName( const OUString& aDictionaryName ) { osl::MutexGuard aGuard( GetLinguMutex() ); uno::Reference< XDictionary > xDic; DictionaryVec_t& rDicList = GetOrCreateDicList(); size_t nCount = rDicList.size(); for (size_t i = 0; i < nCount; i++) { const uno::Reference< XDictionary > &rDic = rDicList[i]; if (rDic.is() && rDic->getName() == aDictionaryName) { xDic = rDic; break; } } return xDic; } sal_Bool SAL_CALL DicList::addDictionary( const uno::Reference< XDictionary >& xDictionary ) { osl::MutexGuard aGuard( GetLinguMutex() ); if (bDisposing) return false; bool bRes = false; if (xDictionary.is()) { DictionaryVec_t& rDicList = GetOrCreateDicList(); rDicList.push_back( xDictionary ); bRes = true; // add listener helper to the dictionaries listener lists xDictionary->addDictionaryEventListener( mxDicEvtLstnrHelper ); } return bRes; } sal_Bool SAL_CALL DicList::removeDictionary( const uno::Reference< XDictionary >& xDictionary ) { osl::MutexGuard aGuard( GetLinguMutex() ); if (bDisposing) return false; bool bRes = false; sal_Int32 nPos = GetDicPos( xDictionary ); if (nPos >= 0) { // remove dictionary list from the dictionaries listener lists DictionaryVec_t& rDicList = GetOrCreateDicList(); uno::Reference< XDictionary > xDic( rDicList[ nPos ] ); DBG_ASSERT(xDic.is(), "lng : empty reference"); if (xDic.is()) { // deactivate dictionary if not already done xDic->setActive( false ); xDic->removeDictionaryEventListener( mxDicEvtLstnrHelper ); } // remove element at nPos rDicList.erase( rDicList.begin() + nPos ); bRes = true; } return bRes; } sal_Bool SAL_CALL DicList::addDictionaryListEventListener( const uno::Reference< XDictionaryListEventListener >& xListener, sal_Bool bReceiveVerbose ) { osl::MutexGuard aGuard( GetLinguMutex() ); if (bDisposing) return false; DBG_ASSERT(!bReceiveVerbose, "lng : not yet supported"); bool bRes = false; if (xListener.is()) //! don't add empty references { bRes = mxDicEvtLstnrHelper->AddDicListEvtListener( xListener ); } return bRes; } sal_Bool SAL_CALL DicList::removeDictionaryListEventListener( const uno::Reference< XDictionaryListEventListener >& xListener ) { osl::MutexGuard aGuard( GetLinguMutex() ); if (bDisposing) return false; bool bRes = false; if(xListener.is()) { bRes = mxDicEvtLstnrHelper->RemoveDicListEvtListener( xListener ); } return bRes; } sal_Int16 SAL_CALL DicList::beginCollectEvents() { osl::MutexGuard aGuard( GetLinguMutex() ); return mxDicEvtLstnrHelper->BeginCollectEvents(); } sal_Int16 SAL_CALL DicList::endCollectEvents() { osl::MutexGuard aGuard( GetLinguMutex() ); return mxDicEvtLstnrHelper->EndCollectEvents(); } sal_Int16 SAL_CALL DicList::flushEvents() { osl::MutexGuard aGuard( GetLinguMutex() ); return mxDicEvtLstnrHelper->FlushEvents(); } uno::Reference< XDictionary > SAL_CALL DicList::createDictionary( const OUString& rName, const Locale& rLocale, DictionaryType eDicType, const OUString& rURL ) { osl::MutexGuard aGuard( GetLinguMutex() ); LanguageType nLanguage = LinguLocaleToLanguage( rLocale ); bool bIsWriteablePath = rURL.match( GetDictionaryWriteablePath() ); return new DictionaryNeo( rName, nLanguage, eDicType, rURL, bIsWriteablePath ); } uno::Reference< XDictionaryEntry > SAL_CALL DicList::queryDictionaryEntry( const OUString& rWord, const Locale& rLocale, sal_Bool bSearchPosDics, sal_Bool bSearchSpellEntry ) { osl::MutexGuard aGuard( GetLinguMutex() ); return SearchDicList( this, rWord, LinguLocaleToLanguage( rLocale ), bSearchPosDics, bSearchSpellEntry ); } void SAL_CALL DicList::dispose() { osl::MutexGuard aGuard( GetLinguMutex() ); if (bDisposing) return; bDisposing = true; EventObject aEvtObj( static_cast(this) ); aEvtListeners.disposeAndClear( aEvtObj ); if (mxDicEvtLstnrHelper.is()) mxDicEvtLstnrHelper->DisposeAndClear( aEvtObj ); //! avoid creation of dictionaries if not already done if ( !aDicList.empty() ) { DictionaryVec_t& rDicList = GetOrCreateDicList(); size_t nCount = rDicList.size(); for (size_t i = 0; i < nCount; i++) { // save (modified) dictionaries uno::Reference< frame::XStorable > xStor( rDicList[i] , UNO_QUERY ); if (xStor.is()) { try { if (!xStor->isReadonly() && xStor->hasLocation()) xStor->store(); } catch(Exception &) { } } // release references to (members of) this object hold by // dictionaries if (rDicList[i].is()) rDicList[i]->removeDictionaryEventListener( mxDicEvtLstnrHelper ); } } mxDicEvtLstnrHelper.clear(); } void SAL_CALL DicList::addEventListener( const uno::Reference< XEventListener >& rxListener ) { osl::MutexGuard aGuard( GetLinguMutex() ); if (!bDisposing && rxListener.is()) aEvtListeners.addInterface( rxListener ); } void SAL_CALL DicList::removeEventListener( const uno::Reference< XEventListener >& rxListener ) { osl::MutexGuard aGuard( GetLinguMutex() ); if (!bDisposing && rxListener.is()) aEvtListeners.removeInterface( rxListener ); } void DicList::CreateDicList() { bInCreation = true; // look for dictionaries const OUString aWriteablePath( GetDictionaryWriteablePath() ); std::vector< OUString > aPaths( GetDictionaryPaths() ); for (const OUString & aPath : aPaths) { const bool bIsWriteablePath = (aPath == aWriteablePath); SearchForDictionaries( aDicList, aPath, bIsWriteablePath ); } // create IgnoreAllList dictionary with empty URL (non persistent) // and add it to list std::locale loc(Translate::Create("svt")); uno::Reference< XDictionary > xIgnAll( createDictionary( Translate::get(STR_DESCRIPTION_IGNOREALLLIST, loc), LinguLanguageToLocale( LANGUAGE_NONE ), DictionaryType_POSITIVE, OUString() ) ); if (xIgnAll.is()) { AddUserData( xIgnAll ); xIgnAll->setActive( true ); addDictionary( xIgnAll ); } // evaluate list of dictionaries to be activated from configuration //! to suppress overwriting the list of active dictionaries in the //! configuration with incorrect arguments during the following //! activation of the dictionaries mxDicEvtLstnrHelper->BeginCollectEvents(); const uno::Sequence< OUString > aActiveDics( aOpt.GetActiveDics() ); for (const OUString& rActiveDic : aActiveDics) { if (!rActiveDic.isEmpty()) { uno::Reference< XDictionary > xDic( getDictionaryByName( rActiveDic ) ); if (xDic.is()) xDic->setActive( true ); } } // suppress collected events during creation of the dictionary list. // there should be no events during creation. mxDicEvtLstnrHelper->ClearEvents(); mxDicEvtLstnrHelper->EndCollectEvents(); bInCreation = false; } void DicList::SaveDics() { // save dics only if they have already been used/created. //! don't create them just for the purpose of saving them ! if ( aDicList.empty() ) return; // save (modified) dictionaries DictionaryVec_t& rDicList = GetOrCreateDicList(); size_t nCount = rDicList.size(); for (size_t i = 0; i < nCount; i++) { // save (modified) dictionaries uno::Reference< frame::XStorable > xStor( rDicList[i], UNO_QUERY ); if (xStor.is()) { try { if (!xStor->isReadonly() && xStor->hasLocation()) xStor->store(); } catch(Exception &) { } } } } // Service specific part OUString SAL_CALL DicList::getImplementationName( ) { return "com.sun.star.lingu2.DicList"; } sal_Bool SAL_CALL DicList::supportsService( const OUString& ServiceName ) { return cppu::supportsService(this, ServiceName); } uno::Sequence< OUString > SAL_CALL DicList::getSupportedServiceNames( ) { return { "com.sun.star.linguistic2.DictionaryList" }; } static sal_Int32 lcl_GetToken( OUString &rToken, const OUString &rText, sal_Int32 nPos, std::u16string_view rDelim ) { sal_Int32 nRes = -1; if (rText.isEmpty() || nPos >= rText.getLength()) rToken.clear(); else if (rDelim.empty()) { rToken = rText; if (!rToken.isEmpty()) nRes = rText.getLength(); } else { sal_Int32 i; for (i = nPos; i < rText.getLength(); ++i) { if (std::string_view::npos != rDelim.find( rText[i] )) break; } if (i >= rText.getLength()) // delimiter not found rToken = rText.copy( nPos ); else rToken = rText.copy( nPos, i - nPos ); nRes = i + 1; // continue after found delimiter } return nRes; } static void AddInternal( const uno::Reference &rDic, const OUString& rNew ) { if (!rDic.is()) return; //! TL TODO: word iterator should be used to break up the text OUString aDelim("!\"#$%&'()*+,-/:;<=>?[]\\_^`{|}~\t \n"); OSL_ENSURE(aDelim.indexOf(u'.') == -1, "ensure no '.'"); OUString aToken; sal_Int32 nPos = 0; while (-1 != (nPos = lcl_GetToken( aToken, rNew, nPos, aDelim ))) { if( !aToken.isEmpty() && !IsNumeric( aToken ) ) { rDic->add( aToken, false, OUString() ); } } } static void AddUserData( const uno::Reference< XDictionary > &rDic ) { if (rDic.is()) { SvtUserOptions aUserOpt; AddInternal( rDic, aUserOpt.GetFullName() ); AddInternal( rDic, aUserOpt.GetCompany() ); AddInternal( rDic, aUserOpt.GetStreet() ); AddInternal( rDic, aUserOpt.GetCity() ); AddInternal( rDic, aUserOpt.GetTitle() ); AddInternal( rDic, aUserOpt.GetPosition() ); AddInternal( rDic, aUserOpt.GetEmail() ); } } static bool IsVers2OrNewer( const OUString& rFileURL, LanguageType& nLng, bool& bNeg, OUString& aDicName ) { if (rFileURL.isEmpty()) return false; OUString aExt; sal_Int32 nPos = rFileURL.lastIndexOf( '.' ); if (-1 != nPos) aExt = rFileURL.copy( nPos + 1 ).toAsciiLowerCase(); if (aExt != "dic") return false; // get stream to be used uno::Reference< uno::XComponentContext > xContext( comphelper::getProcessComponentContext() ); // get XInputStream stream uno::Reference< io::XInputStream > xStream; try { uno::Reference< ucb::XSimpleFileAccess3 > xAccess( ucb::SimpleFileAccess::create(xContext) ); xStream = xAccess->openFileRead( rFileURL ); } catch (const uno::Exception &) { SAL_WARN( "linguistic", "failed to get input stream" ); } DBG_ASSERT( xStream.is(), "failed to get stream for read" ); if (!xStream.is()) return false; std::unique_ptr pStream( utl::UcbStreamHelper::CreateStream( xStream ) ); int nDicVersion = ReadDicVersion(*pStream, nLng, bNeg, aDicName); return 2 == nDicVersion || nDicVersion >= 5; } extern "C" SAL_DLLPUBLIC_EXPORT css::uno::XInterface* linguistic_DicList_get_implementation( css::uno::XComponentContext* , css::uno::Sequence const&) { return cppu::acquire(new DicList()); } /* vim:set shiftwidth=4 softtabstop=4 expandtab: */