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     Sequence < OUString > algorithmList = getAlgorithmList( rLocale );
  50     for (sal_Int32 i = 0; i < algorithmList.getLength(); i++) {
  51         if (algorithmList[i] == SortAlgorithm) {
  52             if (getLocaleSpecificIndexEntrySupplier(rLocale, SortAlgorithm).is())
  53                 return xIES->loadAlgorithm(rLocale, SortAlgorithm, collatorOptions);
  54         }
  55     }
  56     return false;
  57 }
  58
  59 sal_Bool SAL_CALL IndexEntrySupplier::usePhoneticEntry( const Locale& rLocale )
  60 {
  61     return LocaleDataImpl::get()->hasPhonetic(rLocale);
  62 }
  63
  64 OUString SAL_CALL IndexEntrySupplier::getPhoneticCandidate( const OUString& rIndexEntry,
  65         const Locale& rLocale )
  66 {
  67     if (!getLocaleSpecificIndexEntrySupplier(rLocale, OUString()).is())
  68         throw RuntimeException();
  69     return xIES->getPhoneticCandidate(rIndexEntry, rLocale);
  70 }
  71
  72 OUString SAL_CALL IndexEntrySupplier::getIndexKey( const OUString& rIndexEntry,
  73         const OUString& rPhoneticEntry, const Locale& rLocale )
  74 {
  75     if (!xIES.is())
  76         throw RuntimeException();
  77     return xIES->getIndexKey(rIndexEntry, rPhoneticEntry, rLocale);
  78 }
  79
  80 sal_Int16 SAL_CALL IndexEntrySupplier::compareIndexEntry(
  81         const OUString& rIndexEntry1, const OUString& rPhoneticEntry1, const Locale& rLocale1,
  82         const OUString& rIndexEntry2, const OUString& rPhoneticEntry2, const Locale& rLocale2 )
  83 {
  84     if (!xIES.is())
  85         throw RuntimeException();
  86     return xIES->compareIndexEntry(rIndexEntry1, rPhoneticEntry1, rLocale1,
  87             rIndexEntry2, rPhoneticEntry2, rLocale2);
  88 }
  89
  90 OUString SAL_CALL IndexEntrySupplier::getIndexCharacter( const OUString& rIndexEntry,
  91         const Locale& rLocale, const OUString& rSortAlgorithm )
  92 {
  93     return getLocaleSpecificIndexEntrySupplier(rLocale, rSortAlgorithm)->
  94         getIndexCharacter( rIndexEntry, rLocale, rSortAlgorithm );
  95 }
  96
  97 bool IndexEntrySupplier::createLocaleSpecificIndexEntrySupplier(const OUString& name)
  98 {
  99     Reference < XInterface > xI = m_xContext->getServiceManager()->createInstanceWithContext(
 100             "com.sun.star.i18n.IndexEntrySupplier_" + name, m_xContext);
 101
 102     if ( xI.is() ) {
 103         xIES.set( xI, UNO_QUERY );
 104         return xIES.is();
 105     }
 106     return false;
 107 }
 108
 109 Reference < css::i18n::XExtendedIndexEntrySupplier > const &
 110 IndexEntrySupplier::getLocaleSpecificIndexEntrySupplier(const Locale& rLocale, const OUString& rSortAlgorithm)
 111 {
 112     if (xIES.is() && rSortAlgorithm == aSortAlgorithm && rLocale.Language == aLocale.Language &&
 113             rLocale.Country == aLocale.Country && rLocale.Variant == aLocale.Variant)
 114         return xIES;
 115     else {
 116         rtl::Reference<LocaleDataImpl> ld(new LocaleDataImpl);
 117         aLocale = rLocale;
 118         if (rSortAlgorithm.isEmpty())
 119             aSortAlgorithm = ld->getDefaultIndexAlgorithm( rLocale );
 120         else
 121             aSortAlgorithm = rSortAlgorithm;
 122
 123         OUString module = ld->getIndexModuleByAlgorithm(rLocale, aSortAlgorithm);
 124         if (!module.isEmpty() && createLocaleSpecificIndexEntrySupplier(module))
 125             return xIES;
 126
 127         bool bLoaded = false;
 128         if (!aSortAlgorithm.isEmpty())
 129         {
 130             // Load service with name <base>_<lang>_<country>_<algorithm>
 131             // or <base>_<bcp47>_<algorithm> and fallbacks.
 132             bLoaded = createLocaleSpecificIndexEntrySupplier(
 133                     LocaleDataImpl::getFirstLocaleServiceName( rLocale) + "_" + aSortAlgorithm);
 134             if (!bLoaded)
 135             {
 136                 ::std::vector< OUString > aFallbacks( LocaleDataImpl::getFallbackLocaleServiceNames( rLocale));
 137                 for (auto const& fallback : aFallbacks)
 138                 {
 139                     bLoaded = createLocaleSpecificIndexEntrySupplier(fallback + "_" + aSortAlgorithm);
 140                     if (bLoaded)
 141                         break;
 142                 }
 143                 if (!bLoaded)
 144                 {
 145                     // load service with name <base>_<algorithm>
 146                     bLoaded = createLocaleSpecificIndexEntrySupplier( aSortAlgorithm);
 147                 }
 148             }
 149         }
 150         if (!bLoaded)
 151         {
 152             // load default service with name <base>_Unicode
 153             bLoaded = createLocaleSpecificIndexEntrySupplier( "Unicode");
 154             if (!bLoaded)
 155             {
 156                 throw RuntimeException();   // could not load any service
 157             }
 158         }
 159         return xIES;
 160     }
 161 }
 162
 163 OUString SAL_CALL IndexEntrySupplier::getIndexFollowPageWord( sal_Bool bMorePages,
 164         const Locale& rLocale )
 165 {
 166     Sequence< OUString > aFollowPageWords = LocaleDataImpl::get()->getFollowPageWords(rLocale);
 167
 168     return (bMorePages && aFollowPageWords.getLength() > 1) ?
 169         aFollowPageWords[1] : (aFollowPageWords.hasElements() ?
 170                 aFollowPageWords[0] : OUString());
 171 }
 172
 173 #define implementationName "com.sun.star.i18n.IndexEntrySupplier"
 174
 175 OUString SAL_CALL
 176 IndexEntrySupplier::getImplementationName()
 177 {
 178     return OUString( implementationName );
 179 }
 180
 181 sal_Bool SAL_CALL
 182 IndexEntrySupplier::supportsService(const OUString& rServiceName)
 183 {
 184     return cppu::supportsService(this, rServiceName);
 185 }
 186
 187 Sequence< OUString > SAL_CALL
 188 IndexEntrySupplier::getSupportedServiceNames()
 189 {
 190     Sequence< OUString > aRet { implementationName };
 191     return aRet;
 192 }
 193
 194 }
 195
 196 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */