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.
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   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/ustrbuf.hxx>
  21 #include <indexentrysupplier.hxx>
  22 #include <localedata.hxx>
  23
  24 using namespace ::com::sun::star::uno;
  25 using namespace ::com::sun::star::lang;
  26 using namespace ::rtl;
  27
  28 static const sal_Unicode under = sal_Unicode('_');
  29
  30 namespace com { namespace sun { namespace star { namespace i18n {
  31
  32 IndexEntrySupplier::IndexEntrySupplier( const Reference < XMultiServiceFactory >& rxMSF ) : xMSF( rxMSF )
  33 {
  34 }
  35
  36 Sequence < Locale > SAL_CALL IndexEntrySupplier::getLocaleList() throw (RuntimeException)
  37 {
  38         return LocaleData().getAllInstalledLocaleNames();
  39 }
  40
  41 Sequence < OUString > SAL_CALL IndexEntrySupplier::getAlgorithmList( const Locale& rLocale ) throw (RuntimeException)
  42 {
  43         return LocaleData().getIndexAlgorithm(rLocale);
  44 }
  45
  46 sal_Bool SAL_CALL IndexEntrySupplier::loadAlgorithm( const Locale& rLocale, const OUString& SortAlgorithm,
  47         sal_Int32 collatorOptions ) throw (RuntimeException)
  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 sal_False;
  57 }
  58
  59 sal_Bool SAL_CALL IndexEntrySupplier::usePhoneticEntry( const Locale& rLocale ) throw (RuntimeException)
  60 {
  61         return LocaleData().hasPhonetic(rLocale);
  62 }
  63
  64 OUString SAL_CALL IndexEntrySupplier::getPhoneticCandidate( const OUString& rIndexEntry,
  65         const Locale& rLocale ) throw (RuntimeException)
  66 {
  67         if (getLocaleSpecificIndexEntrySupplier(rLocale, OUString()).is())
  68             return xIES->getPhoneticCandidate(rIndexEntry, rLocale);
  69         else
  70             throw RuntimeException();
  71 }
  72
  73 OUString SAL_CALL IndexEntrySupplier::getIndexKey( const OUString& rIndexEntry,
  74         const OUString& rPhoneticEntry, const Locale& rLocale ) throw (RuntimeException)
  75 {
  76         if (xIES.is())
  77             return xIES->getIndexKey(rIndexEntry, rPhoneticEntry, rLocale);
  78         else
  79             throw RuntimeException();
  80 }
  81
  82 sal_Int16 SAL_CALL IndexEntrySupplier::compareIndexEntry(
  83         const OUString& rIndexEntry1, const OUString& rPhoneticEntry1, const Locale& rLocale1,
  84         const OUString& rIndexEntry2, const OUString& rPhoneticEntry2, const Locale& rLocale2 )
  85         throw (com::sun::star::uno::RuntimeException)
  86 {
  87         if (xIES.is())
  88             return xIES->compareIndexEntry(rIndexEntry1, rPhoneticEntry1, rLocale1,
  89                                         rIndexEntry2, rPhoneticEntry2, rLocale2);
  90         else
  91             throw RuntimeException();
  92 }
  93
  94 OUString SAL_CALL IndexEntrySupplier::getIndexCharacter( const OUString& rIndexEntry,
  95         const Locale& rLocale, const OUString& rSortAlgorithm )
  96         throw (RuntimeException)
  97 {
  98         return getLocaleSpecificIndexEntrySupplier(rLocale, rSortAlgorithm)->
  99                         getIndexCharacter( rIndexEntry, rLocale, rSortAlgorithm );
 100 }
 101
 102 sal_Bool SAL_CALL IndexEntrySupplier::createLocaleSpecificIndexEntrySupplier(const OUString& name) throw( RuntimeException )
 103 {
 104         Reference < XInterface > xI = xMSF->createInstance(
 105             OUString("com.sun.star.i18n.IndexEntrySupplier_") + name);
 106
 107         if ( xI.is() ) {
 108             xI->queryInterface( ::getCppuType((const Reference< com::sun::star::i18n::XExtendedIndexEntrySupplier>*)0) ) >>= xIES;
 109             return xIES.is();
 110         }
 111         return sal_False;
 112 }
 113
 114 Reference < com::sun::star::i18n::XExtendedIndexEntrySupplier > SAL_CALL
 115 IndexEntrySupplier::getLocaleSpecificIndexEntrySupplier(const Locale& rLocale, const OUString& rSortAlgorithm) throw (RuntimeException)
 116 {
 117         if (xIES.is() && rSortAlgorithm == aSortAlgorithm && rLocale.Language == aLocale.Language &&
 118                 rLocale.Country == aLocale.Country && rLocale.Variant == aLocale.Variant)
 119             return xIES;
 120         else if (xMSF.is()) {
 121             LocaleData ld;
 122             aLocale = rLocale;
 123             if (rSortAlgorithm.isEmpty())
 124                 aSortAlgorithm = ld.getDefaultIndexAlgorithm( rLocale );
 125             else
 126                 aSortAlgorithm = rSortAlgorithm;
 127
 128             OUString module = ld.getIndexModuleByAlgorithm(rLocale, aSortAlgorithm);
 129             if (!module.isEmpty() && createLocaleSpecificIndexEntrySupplier(module))
 130                 return xIES;
 131
 132             sal_Int32 l = rLocale.Language.getLength();
 133             sal_Int32 c = rLocale.Country.getLength();
 134             sal_Int32 v = rLocale.Variant.getLength();
 135             sal_Int32 a = aSortAlgorithm.getLength();
 136             OUStringBuffer aBuf(l+c+v+a+4);
 137
 138             if ((l > 0 && c > 0 && v > 0 && a > 0 &&
 139                         // load service with name <base>_<lang>_<country>_<varian>_<algorithm>
 140                         createLocaleSpecificIndexEntrySupplier(aBuf.append(rLocale.Language).append(under).append(
 141                                     rLocale.Country).append(under).append(rLocale.Variant).append(under).append(
 142                                     aSortAlgorithm).makeStringAndClear())) ||
 143                 (l > 0 && c > 0 && a > 0 &&
 144                         // load service with name <base>_<lang>_<country>_<algorithm>
 145                         createLocaleSpecificIndexEntrySupplier(aBuf.append(rLocale.Language).append(under).append(
 146                                     rLocale.Country).append(under).append(aSortAlgorithm).makeStringAndClear())) ||
 147                 (l > 0 && c > 0 && a > 0 && rLocale.Language.compareToAscii("zh") == 0 &&
 148                                             (rLocale.Country.compareToAscii("HK") == 0 ||
 149                                             rLocale.Country.compareToAscii("MO") == 0) &&
 150                         // if the country code is HK or MO, one more step to try TW.
 151                         createLocaleSpecificIndexEntrySupplier(aBuf.append(rLocale.Language).append(under).appendAscii(
 152                                     "TW").append(under).append(aSortAlgorithm).makeStringAndClear())) ||
 153                 (l > 0 && a > 0 &&
 154                         // load service with name <base>_<lang>_<algorithm>
 155                         createLocaleSpecificIndexEntrySupplier(aBuf.append(rLocale.Language).append(under).append(
 156                                     aSortAlgorithm).makeStringAndClear())) ||
 157                         // load service with name <base>_<algorithm>
 158                 (a > 0 && createLocaleSpecificIndexEntrySupplier(aSortAlgorithm)) ||
 159                         // load default service with name <base>_Unicode
 160                         createLocaleSpecificIndexEntrySupplier(OUString("Unicode"))) {
 161                 return xIES;
 162             }
 163         }
 164         throw RuntimeException();
 165 }
 166
 167 OUString SAL_CALL IndexEntrySupplier::getIndexFollowPageWord( sal_Bool bMorePages,
 168         const Locale& rLocale ) throw (RuntimeException)
 169 {
 170         Sequence< OUString > aFollowPageWords = LocaleData().getFollowPageWords(rLocale);
 171
 172         return (bMorePages && aFollowPageWords.getLength() > 1) ?
 173             aFollowPageWords[1] : (aFollowPageWords.getLength() > 0 ?
 174             aFollowPageWords[0] : OUString());
 175 }
 176
 177 #define implementationName "com.sun.star.i18n.IndexEntrySupplier"
 178
 179 OUString SAL_CALL
 180 IndexEntrySupplier::getImplementationName() throw( RuntimeException )
 181 {
 182         return OUString::createFromAscii( implementationName );
 183 }
 184
 185 sal_Bool SAL_CALL
 186 IndexEntrySupplier::supportsService(const OUString& rServiceName) throw( RuntimeException )
 187 {
 188         return rServiceName.compareToAscii(implementationName) == 0;
 189 }
 190
 191 Sequence< OUString > SAL_CALL
 192 IndexEntrySupplier::getSupportedServiceNames() throw( RuntimeException )
 193 {
 194         Sequence< OUString > aRet(1);
 195         aRet[0] = OUString::createFromAscii( implementationName );
 196         return aRet;
 197 }
 198
 199 } } } }
 200
 201 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */