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Diffstat (limited to 'i18npool/source/collator/collatorImpl.cxx')
| -rw-r--r-- | i18npool/source/collator/collatorImpl.cxx | 236 |
1 files changed, 236 insertions, 0 deletions
diff --git a/i18npool/source/collator/collatorImpl.cxx b/i18npool/source/collator/collatorImpl.cxx new file mode 100644 index 000000000..450e57ad6 --- /dev/null +++ b/i18npool/source/collator/collatorImpl.cxx @@ -0,0 +1,236 @@ +/* -*- 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 <comphelper/sequence.hxx> +#include <cppuhelper/supportsservice.hxx> +#include <numeric> + +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); + auto pImpl = std::find_if(imp.begin(), imp.end(), + [](const Implementation& rImp) { return rImp.isDefault; }); + if (pImpl != imp.end()) + return loadCollatorAlgorithm(pImpl->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 + nLocale = rLocale; + cachedItem->xC->loadCollatorAlgorithm(cachedItem->algorithm, nLocale, collatorOptions); + + return 0; +} + +void SAL_CALL +CollatorImpl::loadCollatorAlgorithmWithEndUserOption(const OUString& impl, const lang::Locale& rLocale, + const Sequence< sal_Int32 >& collatorOptions) +{ + sal_Int32 options = std::accumulate(collatorOptions.begin(), collatorOptions.end(), + sal_Int32(0), [](sal_Int32 nSum, sal_Int32 nOpt) { return nSum | nOpt; }); + 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()); + auto pBegin = list.begin(); + auto pId = pBegin; + + for (const auto& rImpl : imp) { + *pId = rImpl.unoID; + //if the current algorithm is default and the position is not on the first one, then switch + if (rImpl.isDefault && pId != pBegin) + std::swap(*pBegin, *pId); + ++pId; + } + return list; +} + +Sequence< sal_Int32 > SAL_CALL +CollatorImpl::listCollatorOptions( const OUString& /*collatorAlgorithmName*/ ) +{ + const Sequence< OUString > option_str = mxLocaleData->getCollationOptions(nLocale); + Sequence< sal_Int32 > option_int(option_str.getLength()); + + std::transform(option_str.begin(), option_str.end(), option_int.begin(), [](const OUString& rOpt) { + return rOpt == "IGNORE_CASE" ? CollatorOptions::CollatorOptions_IGNORE_CASE : + rOpt == "IGNORE_KANA" ? CollatorOptions::CollatorOptions_IGNORE_KANA : + rOpt == "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 (const 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 "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() +{ + return { "com.sun.star.i18n.Collator" }; +} + +} + +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: */ |