/* -*- 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 <cppuhelper/supportsservice.hxx> #include <characterclassificationImpl.hxx> #include <localedata.hxx> #include <rtl/ustrbuf.hxx> using namespace com::sun::star::uno; using namespace ::com::sun::star::i18n; using namespace com::sun::star::lang; namespace i18npool { CharacterClassificationImpl::CharacterClassificationImpl( const Reference < XComponentContext >& rxContext ) : m_xContext( rxContext ) { if (createLocaleSpecificCharacterClassification("Unicode", Locale())) xUCI = cachedItem->xCI; } CharacterClassificationImpl::~CharacterClassificationImpl() { } OUString SAL_CALL CharacterClassificationImpl::toUpper( const OUString& Text, sal_Int32 nPos, sal_Int32 nCount, const Locale& rLocale ) { return getLocaleSpecificCharacterClassification(rLocale)->toUpper(Text, nPos, nCount, rLocale); } OUString SAL_CALL CharacterClassificationImpl::toLower( const OUString& Text, sal_Int32 nPos, sal_Int32 nCount, const Locale& rLocale ) { return getLocaleSpecificCharacterClassification(rLocale)->toLower(Text, nPos, nCount, rLocale); } OUString SAL_CALL CharacterClassificationImpl::toTitle( const OUString& Text, sal_Int32 nPos, sal_Int32 nCount, const Locale& rLocale ) { return getLocaleSpecificCharacterClassification(rLocale)->toTitle(Text, nPos, nCount, rLocale); } sal_Int16 SAL_CALL CharacterClassificationImpl::getType( const OUString& Text, sal_Int32 nPos ) { if (xUCI.is()) return xUCI->getType(Text, nPos); throw RuntimeException(); } sal_Int16 SAL_CALL CharacterClassificationImpl::getCharacterDirection( const OUString& Text, sal_Int32 nPos ) { if (xUCI.is()) return xUCI->getCharacterDirection(Text, nPos); throw RuntimeException(); } sal_Int16 SAL_CALL CharacterClassificationImpl::getScript( const OUString& Text, sal_Int32 nPos ) { if (xUCI.is()) return xUCI->getScript(Text, nPos); throw RuntimeException(); } sal_Int32 SAL_CALL CharacterClassificationImpl::getCharacterType( const OUString& Text, sal_Int32 nPos, const Locale& rLocale ) { return getLocaleSpecificCharacterClassification(rLocale)->getCharacterType(Text, nPos, rLocale); } sal_Int32 SAL_CALL CharacterClassificationImpl::getStringType( const OUString& Text, sal_Int32 nPos, sal_Int32 nCount, const Locale& rLocale ) { return getLocaleSpecificCharacterClassification(rLocale)->getStringType(Text, nPos, nCount, rLocale); } ParseResult SAL_CALL CharacterClassificationImpl::parseAnyToken( const OUString& Text, sal_Int32 nPos, const Locale& rLocale, sal_Int32 startCharTokenType, const OUString& userDefinedCharactersStart, sal_Int32 contCharTokenType, const OUString& userDefinedCharactersCont ) { return getLocaleSpecificCharacterClassification(rLocale)->parseAnyToken(Text, nPos, rLocale, startCharTokenType,userDefinedCharactersStart, contCharTokenType, userDefinedCharactersCont); } ParseResult SAL_CALL CharacterClassificationImpl::parsePredefinedToken( sal_Int32 nTokenType, const OUString& Text, sal_Int32 nPos, const Locale& rLocale, sal_Int32 startCharTokenType, const OUString& userDefinedCharactersStart, sal_Int32 contCharTokenType, const OUString& userDefinedCharactersCont ) { return getLocaleSpecificCharacterClassification(rLocale)->parsePredefinedToken( nTokenType, Text, nPos, rLocale, startCharTokenType, userDefinedCharactersStart, contCharTokenType, userDefinedCharactersCont); } bool CharacterClassificationImpl::createLocaleSpecificCharacterClassification(const OUString& serviceName, const Locale& rLocale) { // to share service between same Language but different Country code, like zh_CN and zh_SG for (size_t l = 0; l < lookupTable.size(); l++) { cachedItem = lookupTable[l].get(); if (serviceName == cachedItem->aName) { lookupTable.emplace_back( new lookupTableItem(rLocale, serviceName, cachedItem->xCI) ); cachedItem = lookupTable.back().get(); return true; } } Reference < XInterface > xI = m_xContext->getServiceManager()->createInstanceWithContext( "com.sun.star.i18n.CharacterClassification_" + serviceName, m_xContext); Reference < XCharacterClassification > xCI; if ( xI.is() ) { xCI.set( xI, UNO_QUERY ); if (xCI.is()) { lookupTable.emplace_back( new lookupTableItem(rLocale, serviceName, xCI) ); cachedItem = lookupTable.back().get(); return true; } } return false; } Reference < XCharacterClassification > const & CharacterClassificationImpl::getLocaleSpecificCharacterClassification(const Locale& rLocale) { // reuse instance if locale didn't change if (cachedItem && cachedItem->equals(rLocale)) return cachedItem->xCI; else { for (auto & i : lookupTable) { cachedItem = i.get(); if (cachedItem->equals(rLocale)) return cachedItem->xCI; } // Load service with name <base>_<lang>_<country> or // <base>_<bcp47> and fallbacks. bool bLoaded = createLocaleSpecificCharacterClassification( LocaleDataImpl::getFirstLocaleServiceName( rLocale), rLocale); if (!bLoaded) { ::std::vector< OUString > aFallbacks( LocaleDataImpl::getFallbackLocaleServiceNames( rLocale)); for (::std::vector< OUString >::const_iterator it( aFallbacks.begin()); it != aFallbacks.end(); ++it) { bLoaded = createLocaleSpecificCharacterClassification( *it, rLocale); if (bLoaded) break; } } if (bLoaded) return cachedItem->xCI; else if (xUCI.is()) { lookupTable.emplace_back( new lookupTableItem(rLocale, "Unicode", xUCI) ); cachedItem = lookupTable.back().get(); return cachedItem->xCI; } } throw RuntimeException(); } OUString SAL_CALL CharacterClassificationImpl::getImplementationName() { return OUString("com.sun.star.i18n.CharacterClassification"); } sal_Bool SAL_CALL CharacterClassificationImpl::supportsService(const OUString& rServiceName) { return cppu::supportsService(this, rServiceName); } Sequence< OUString > SAL_CALL CharacterClassificationImpl::getSupportedServiceNames() { Sequence< OUString > aRet { "com.sun.star.i18n.CharacterClassification" }; return aRet; } } extern "C" SAL_DLLPUBLIC_EXPORT css::uno::XInterface * com_sun_star_i18n_CharacterClassification_get_implementation( css::uno::XComponentContext *context, css::uno::Sequence<css::uno::Any> const &) { return cppu::acquire(new i18npool::CharacterClassificationImpl(context)); } /* vim:set shiftwidth=4 softtabstop=4 expandtab: */

↑ V1023 A pointer without owner is added to the 'lookupTable' container by the 'emplace_back' method. A memory leak will occur in case of an exception.