/* -*- 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 <collatorImpl.hxx> #include <localedata.hxx> #include <com/sun/star/i18n/CollatorOptions.hpp> #include <com/sun/star/i18n/LocaleData2.hpp> #include <rtl/ustrbuf.hxx> #include <cppuhelper/supportsservice.hxx> using namespace com::sun::star; using namespace com::sun::star::i18n; using namespace com::sun::star::lang; using namespace com::sun::star::uno; namespace i18npool { CollatorImpl::CollatorImpl( const Reference < XComponentContext >& rxContext ) : m_xContext(rxContext) { mxLocaleData.set( LocaleData2::create(rxContext) ); cachedItem = nullptr; } CollatorImpl::~CollatorImpl() { } sal_Int32 SAL_CALL CollatorImpl::compareSubstring( const OUString& str1, sal_Int32 off1, sal_Int32 len1, const OUString& str2, sal_Int32 off2, sal_Int32 len2) { if (cachedItem) return cachedItem->xC->compareSubstring(str1, off1, len1, str2, off2, len2); sal_Unicode *unistr1 = const_cast<sal_Unicode*>(str1.getStr()) + off1; sal_Unicode *unistr2 = const_cast<sal_Unicode*>(str2.getStr()) + off2; for (int i = 0; i < len1 && i < len2; i++) if (unistr1[i] != unistr2[i]) return unistr1[i] < unistr2[i] ? -1 : 1; return len1 == len2 ? 0 : (len1 < len2 ? -1 : 1); } sal_Int32 SAL_CALL CollatorImpl::compareString( const OUString& in_str1, const OUString& in_str2) { if (cachedItem) return cachedItem->xC->compareString(in_str1, in_str2); return CollatorImpl::compareSubstring(in_str1, 0, in_str1.getLength(), in_str2, 0, in_str2.getLength()); } sal_Int32 SAL_CALL CollatorImpl::loadDefaultCollator(const lang::Locale& rLocale, sal_Int32 collatorOptions) { const Sequence< Implementation > &imp = mxLocaleData->getCollatorImplementations(rLocale); for (sal_Int32 i = 0; i < imp.getLength(); i++) if (imp[i].isDefault) return loadCollatorAlgorithm(imp[i].unoID, rLocale, collatorOptions); throw RuntimeException(); // not default is defined //return 0; } sal_Int32 SAL_CALL CollatorImpl::loadCollatorAlgorithm(const OUString& impl, const lang::Locale& rLocale, sal_Int32 collatorOptions) { if (! cachedItem || ! cachedItem->equals(rLocale, impl)) loadCachedCollator(rLocale, impl); if (!cachedItem) throw RuntimeException(); // impl could not be loaded cachedItem->xC->loadCollatorAlgorithm(cachedItem->algorithm, nLocale = rLocale, collatorOptions); return 0; } void SAL_CALL CollatorImpl::loadCollatorAlgorithmWithEndUserOption(const OUString& impl, const lang::Locale& rLocale, const Sequence< sal_Int32 >& collatorOptions) { sal_Int32 options = 0; for (sal_Int32 i = 0; i < collatorOptions.getLength(); i++) options |= collatorOptions[i]; loadCollatorAlgorithm(impl, rLocale, options); } Sequence< OUString > SAL_CALL CollatorImpl::listCollatorAlgorithms( const lang::Locale& rLocale ) { nLocale = rLocale; const Sequence< Implementation > &imp = mxLocaleData->getCollatorImplementations(rLocale); Sequence< OUString > list(imp.getLength()); for (sal_Int32 i = 0; i < imp.getLength(); i++) { //if the current algorithm is default and the position is not on the first one, then switch if (imp[i].isDefault && i) { list[i] = list[0]; list[0] = imp[i].unoID; } else list[i] = imp[i].unoID; } return list; } Sequence< sal_Int32 > SAL_CALL CollatorImpl::listCollatorOptions( const OUString& /*collatorAlgorithmName*/ ) { Sequence< OUString > option_str = mxLocaleData->getCollationOptions(nLocale); Sequence< sal_Int32 > option_int(option_str.getLength()); for (sal_Int32 i = 0; i < option_str.getLength(); i++) option_int[i] = option_str[i] == "IGNORE_CASE" ? CollatorOptions::CollatorOptions_IGNORE_CASE : option_str[i] == "IGNORE_KANA" ? CollatorOptions::CollatorOptions_IGNORE_KANA : option_str[i] == "IGNORE_WIDTH" ? CollatorOptions::CollatorOptions_IGNORE_WIDTH : 0; return option_int; } bool CollatorImpl::createCollator(const lang::Locale& rLocale, const OUString& serviceName, const OUString& rSortAlgorithm) { for (size_t l = 0; l < lookupTable.size(); l++) { cachedItem = lookupTable[l].get(); if (cachedItem->service == serviceName) {// cross locale sharing lookupTable.emplace_back(new lookupTableItem(rLocale, rSortAlgorithm, serviceName, cachedItem->xC)); cachedItem = lookupTable.back().get(); return true; } } Reference < XInterface > xI = m_xContext->getServiceManager()->createInstanceWithContext("com.sun.star.i18n.Collator_" + serviceName, m_xContext ); if (xI.is()) { Reference < XCollator > xC; xC.set( xI, UNO_QUERY ); if (xC.is()) { lookupTable.emplace_back(new lookupTableItem(rLocale, rSortAlgorithm, serviceName, xC)); cachedItem = lookupTable.back().get(); return true; } } return false; } void CollatorImpl::loadCachedCollator(const lang::Locale& rLocale, const OUString& rSortAlgorithm) { for (auto& i : lookupTable) { cachedItem = i.get(); if (cachedItem->equals(rLocale, rSortAlgorithm)) { return; } } bool bLoaded = false; if (!rSortAlgorithm.isEmpty()) { // Load service with name <base>_<lang>_<country>_<algorithm> or // <base>_<bcp47>_<algorithm> and fallbacks. bLoaded = createCollator( rLocale, LocaleDataImpl::getFirstLocaleServiceName( rLocale) + "_" + rSortAlgorithm, rSortAlgorithm); if (!bLoaded) { ::std::vector< OUString > aFallbacks( LocaleDataImpl::getFallbackLocaleServiceNames( rLocale)); for (auto const& fallback : aFallbacks) { bLoaded = createCollator( rLocale, fallback + "_" + rSortAlgorithm, rSortAlgorithm); if (bLoaded) break; } if (!bLoaded) { // load service with name <base>_<algorithm> bLoaded = createCollator( rLocale, rSortAlgorithm, rSortAlgorithm); } } } if (!bLoaded) { // load default service with name <base>_Unicode bLoaded = createCollator( rLocale, "Unicode", rSortAlgorithm); if (!bLoaded) { cachedItem = nullptr; throw RuntimeException(); // could not load any service } } } OUString SAL_CALL CollatorImpl::getImplementationName() { return OUString("com.sun.star.i18n.Collator"); } sal_Bool SAL_CALL CollatorImpl::supportsService(const OUString& rServiceName) { return cppu::supportsService(this, rServiceName); } Sequence< OUString > SAL_CALL CollatorImpl::getSupportedServiceNames() { Sequence< OUString > aRet { "com.sun.star.i18n.Collator" }; return aRet; } } extern "C" SAL_DLLPUBLIC_EXPORT css::uno::XInterface * com_sun_star_i18n_Collator_get_implementation( css::uno::XComponentContext *context, css::uno::Sequence<css::uno::Any> const &) { return cppu::acquire(new i18npool::CollatorImpl(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.