i18npool/source/indexentry/indexentrysupplier.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #include <rtl/ref.hxx>
  21 #include <cppuhelper/supportsservice.hxx>
  22 #include <indexentrysupplier.hxx>
  23 #include <localedata.hxx>
  24
  25 #include <com/sun/star/uno/XComponentContext.hpp>
  26
  27 using namespace ::com::sun::star::uno;
  28 using namespace ::com::sun::star::lang;
  29
  30 namespace i18npool {
  31
  32 IndexEntrySupplier::IndexEntrySupplier( const Reference < XComponentContext >& rxContext ) : m_xContext( rxContext )
  33 {
  34 }
  35
  36 Sequence < Locale > SAL_CALL IndexEntrySupplier::getLocaleList()
  37 {
  38     return LocaleDataImpl::get()->getAllInstalledLocaleNames();
  39 }
  40
  41 Sequence < OUString > SAL_CALL IndexEntrySupplier::getAlgorithmList( const Locale& rLocale )
  42 {
  43     return LocaleDataImpl::get()->getIndexAlgorithm(rLocale);
  44 }
  45
  46 sal_Bool SAL_CALL IndexEntrySupplier::loadAlgorithm( const Locale& rLocale, const OUString& SortAlgorithm,
  47         sal_Int32 collatorOptions )
  48 {
  49     const Sequence < OUString > algorithmList = getAlgorithmList( rLocale );
  50     if (std::any_of(algorithmList.begin(), algorithmList.end(),
  51             [this, &SortAlgorithm, &rLocale](const OUString& rAlgorithm) {
  52                 return rAlgorithm == SortAlgorithm
  53                     && getLocaleSpecificIndexEntrySupplier(rLocale, SortAlgorithm).is(); }))
  54         return xIES->loadAlgorithm(rLocale, SortAlgorithm, collatorOptions);
  55     return false;
  56 }
  57
  58 sal_Bool SAL_CALL IndexEntrySupplier::usePhoneticEntry( const Locale& rLocale )
  59 {
  60     return LocaleDataImpl::get()->hasPhonetic(rLocale);
  61 }
  62
  63 OUString SAL_CALL IndexEntrySupplier::getPhoneticCandidate( const OUString& rIndexEntry,
  64         const Locale& rLocale )
  65 {
  66     if (!getLocaleSpecificIndexEntrySupplier(rLocale, OUString()).is())
  67         throw RuntimeException();
  68     return xIES->getPhoneticCandidate(rIndexEntry, rLocale);
  69 }
  70
  71 OUString SAL_CALL IndexEntrySupplier::getIndexKey( const OUString& rIndexEntry,
  72         const OUString& rPhoneticEntry, const Locale& rLocale )
  73 {
  74     if (!xIES.is())
  75         throw RuntimeException();
  76     return xIES->getIndexKey(rIndexEntry, rPhoneticEntry, rLocale);
  77 }
  78
  79 sal_Int16 SAL_CALL IndexEntrySupplier::compareIndexEntry(
  80         const OUString& rIndexEntry1, const OUString& rPhoneticEntry1, const Locale& rLocale1,
  81         const OUString& rIndexEntry2, const OUString& rPhoneticEntry2, const Locale& rLocale2 )
  82 {
  83     if (!xIES.is())
  84         throw RuntimeException();
  85     return xIES->compareIndexEntry(rIndexEntry1, rPhoneticEntry1, rLocale1,
  86             rIndexEntry2, rPhoneticEntry2, rLocale2);
  87 }
  88
  89 OUString SAL_CALL IndexEntrySupplier::getIndexCharacter( const OUString& rIndexEntry,
  90         const Locale& rLocale, const OUString& rSortAlgorithm )
  91 {
  92     return getLocaleSpecificIndexEntrySupplier(rLocale, rSortAlgorithm)->
  93         getIndexCharacter( rIndexEntry, rLocale, rSortAlgorithm );
  94 }
  95
  96 bool IndexEntrySupplier::createLocaleSpecificIndexEntrySupplier(const OUString& name)
  97 {
  98     Reference < XInterface > xI = m_xContext->getServiceManager()->createInstanceWithContext(
  99             "com.sun.star.i18n.IndexEntrySupplier_" + name, m_xContext);
 100
 101     if ( xI.is() ) {
 102         xIES.set( xI, UNO_QUERY );
 103         return xIES.is();
 104     }
 105     return false;
 106 }
 107
 108 Reference < css::i18n::XExtendedIndexEntrySupplier > const &
 109 IndexEntrySupplier::getLocaleSpecificIndexEntrySupplier(const Locale& rLocale, const OUString& rSortAlgorithm)
 110 {
 111     if (xIES.is() && rSortAlgorithm == aSortAlgorithm && rLocale.Language == aLocale.Language &&
 112             rLocale.Country == aLocale.Country && rLocale.Variant == aLocale.Variant)
 113         return xIES;
 114     else {
 115         rtl::Reference<LocaleDataImpl> ld(new LocaleDataImpl);
 116         aLocale = rLocale;
 117         if (rSortAlgorithm.isEmpty())
 118             aSortAlgorithm = ld->getDefaultIndexAlgorithm( rLocale );
 119         else
 120             aSortAlgorithm = rSortAlgorithm;
 121
 122         OUString module = ld->getIndexModuleByAlgorithm(rLocale, aSortAlgorithm);
 123         if (!module.isEmpty() && createLocaleSpecificIndexEntrySupplier(module))
 124             return xIES;
 125
 126         bool bLoaded = false;
 127         if (!aSortAlgorithm.isEmpty())
 128         {
 129             // Load service with name <base>_<lang>_<country>_<algorithm>
 130             // or <base>_<bcp47>_<algorithm> and fallbacks.
 131             bLoaded = createLocaleSpecificIndexEntrySupplier(
 132                     LocaleDataImpl::getFirstLocaleServiceName( rLocale) + "_" + aSortAlgorithm);
 133             if (!bLoaded)
 134             {
 135                 ::std::vector< OUString > aFallbacks( LocaleDataImpl::getFallbackLocaleServiceNames( rLocale));
 136                 for (auto const& fallback : aFallbacks)
 137                 {
 138                     bLoaded = createLocaleSpecificIndexEntrySupplier(fallback + "_" + aSortAlgorithm);
 139                     if (bLoaded)
 140                         break;
 141                 }
 142                 if (!bLoaded)
 143                 {
 144                     // load service with name <base>_<algorithm>
 145                     bLoaded = createLocaleSpecificIndexEntrySupplier( aSortAlgorithm);
 146                 }
 147             }
 148         }
 149         if (!bLoaded)
 150         {
 151             // load default service with name <base>_Unicode
 152             bLoaded = createLocaleSpecificIndexEntrySupplier( "Unicode");
 153             if (!bLoaded)
 154             {
 155                 throw RuntimeException();   // could not load any service
 156             }
 157         }
 158         return xIES;
 159     }
 160 }
 161
 162 OUString SAL_CALL IndexEntrySupplier::getIndexFollowPageWord( sal_Bool bMorePages,
 163         const Locale& rLocale )
 164 {
 165     Sequence< OUString > aFollowPageWords = LocaleDataImpl::get()->getFollowPageWords(rLocale);
 166
 167     return (bMorePages && aFollowPageWords.getLength() > 1) ?
 168         aFollowPageWords[1] : (aFollowPageWords.hasElements() ?
 169                 aFollowPageWords[0] : OUString());
 170 }
 171
 172 #define implementationName "com.sun.star.i18n.IndexEntrySupplier"
 173
 174 OUString SAL_CALL
 175 IndexEntrySupplier::getImplementationName()
 176 {
 177     return implementationName;
 178 }
 179
 180 sal_Bool SAL_CALL
 181 IndexEntrySupplier::supportsService(const OUString& rServiceName)
 182 {
 183     return cppu::supportsService(this, rServiceName);
 184 }
 185
 186 Sequence< OUString > SAL_CALL
 187 IndexEntrySupplier::getSupportedServiceNames()
 188 {
 189     Sequence< OUString > aRet { implementationName };
 190     return aRet;
 191 }
 192
 193 }
 194
 195 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */