/* -*- 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 <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) );
}
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.getArray();
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.getArray(), [](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];
if (cachedItem->service == serviceName) {// cross locale sharing
lookupTable.emplace_back(rLocale, rSortAlgorithm, serviceName, cachedItem->xC);
cachedItem = lookupTable.back();
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(rLocale, rSortAlgorithm, serviceName, xC);
cachedItem = lookupTable.back();
return true ;
}
}
return false ;
}
void
CollatorImpl::loadCachedCollator(const lang::Locale& rLocale, const OUString& rSortAlgorithm)
{
for (const auto & i : lookupTable) {
cachedItem = i;
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, u"Unicode" _ustr, rSortAlgorithm);
if (!bLoaded)
{
cachedItem.reset();
throw RuntimeException(); // could not load any service
}
}
}
OUString SAL_CALL CollatorImpl::getImplementationName()
{
return u"com.sun.star.i18n.Collator" _ustr;
}
sal_Bool SAL_CALL CollatorImpl::supportsService(const OUString& rServiceName)
{
return cppu::supportsService(this , rServiceName);
}
Sequence< OUString > SAL_CALL
CollatorImpl::getSupportedServiceNames()
{
return { u"com.sun.star.i18n.Collator" _ustr };
}
}
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: */
Messung V0.5 in Prozent C=93 H=91 G=91
¤ Dauer der Verarbeitung: 0.9 Sekunden
(vorverarbeitet am 2026-09-29)
¤
*© Formatika GbR, Deutschland