1 files changed, 197 insertions, 0 deletions
diff --git a/i18npool/source/indexentry/indexentrysupplier.cxx b/i18npool/source/indexentry/indexentrysupplier.cxx
new file mode 100644
index 0000000000..ad92f605ec
--- /dev/null
+++ b/i18npool/source/indexentry/indexentrysupplier.cxx
@@ -0,0 +1,197 @@
+/* -*- 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 <rtl/ref.hxx>
+#include <cppuhelper/supportsservice.hxx>
+#include <indexentrysupplier.hxx>
+#include <localedata.hxx>
+
+#include <com/sun/star/uno/XComponentContext.hpp>
+
+using namespace ::com::sun::star::uno;
+using namespace ::com::sun::star::lang;
+
+namespace i18npool {
+
+IndexEntrySupplier::IndexEntrySupplier( const Reference < XComponentContext >& rxContext ) : m_xContext( rxContext )
+{
+}
+
+Sequence < Locale > SAL_CALL IndexEntrySupplier::getLocaleList()
+{
+    return LocaleDataImpl::get()->getAllInstalledLocaleNames();
+}
+
+Sequence < OUString > SAL_CALL IndexEntrySupplier::getAlgorithmList( const Locale& rLocale )
+{
+    return LocaleDataImpl::get()->getIndexAlgorithm(rLocale);
+}
+
+sal_Bool SAL_CALL IndexEntrySupplier::loadAlgorithm( const Locale& rLocale, const OUString& SortAlgorithm,
+        sal_Int32 collatorOptions )
+{
+    const Sequence < OUString > algorithmList = getAlgorithmList( rLocale );
+    if (std::any_of(algorithmList.begin(), algorithmList.end(),
+            [this, &SortAlgorithm, &rLocale](const OUString& rAlgorithm) {
+                return rAlgorithm == SortAlgorithm
+                    && getLocaleSpecificIndexEntrySupplier(rLocale, SortAlgorithm).is(); }))
+        return xIES->loadAlgorithm(rLocale, SortAlgorithm, collatorOptions);
+    return false;
+}
+
+sal_Bool SAL_CALL IndexEntrySupplier::usePhoneticEntry( const Locale& rLocale )
+{
+    return LocaleDataImpl::get()->hasPhonetic(rLocale);
+}
+
+OUString SAL_CALL IndexEntrySupplier::getPhoneticCandidate( const OUString& rIndexEntry,
+        const Locale& rLocale )
+{
+    if (!getLocaleSpecificIndexEntrySupplier(rLocale, OUString()).is())
+        throw RuntimeException();
+    return xIES->getPhoneticCandidate(rIndexEntry, rLocale);
+}
+
+OUString SAL_CALL IndexEntrySupplier::getIndexKey( const OUString& rIndexEntry,
+        const OUString& rPhoneticEntry, const Locale& rLocale )
+{
+    if (!xIES.is())
+        throw RuntimeException();
+    return xIES->getIndexKey(rIndexEntry, rPhoneticEntry, rLocale);
+}
+
+sal_Int16 SAL_CALL IndexEntrySupplier::compareIndexEntry(
+        const OUString& rIndexEntry1, const OUString& rPhoneticEntry1, const Locale& rLocale1,
+        const OUString& rIndexEntry2, const OUString& rPhoneticEntry2, const Locale& rLocale2 )
+{
+    if (!xIES.is())
+        throw RuntimeException();
+    return xIES->compareIndexEntry(rIndexEntry1, rPhoneticEntry1, rLocale1,
+            rIndexEntry2, rPhoneticEntry2, rLocale2);
+}
+
+OUString SAL_CALL IndexEntrySupplier::getIndexCharacter( const OUString& rIndexEntry,
+        const Locale& rLocale, const OUString& rSortAlgorithm )
+{
+    return getLocaleSpecificIndexEntrySupplier(rLocale, rSortAlgorithm)->
+        getIndexCharacter( rIndexEntry, rLocale, rSortAlgorithm );
+}
+
+bool IndexEntrySupplier::createLocaleSpecificIndexEntrySupplier(std::u16string_view name)
+{
+    Reference < XInterface > xI = m_xContext->getServiceManager()->createInstanceWithContext(
+            OUString::Concat("com.sun.star.i18n.IndexEntrySupplier_") + name, m_xContext);
+
+    if ( xI.is() ) {
+        xIES.set( xI, UNO_QUERY );
+        return xIES.is();
+    }
+    return false;
+}
+
+Reference < css::i18n::XExtendedIndexEntrySupplier > const &
+IndexEntrySupplier::getLocaleSpecificIndexEntrySupplier(const Locale& rLocale, const OUString& rSortAlgorithm)
+{
+    if (xIES.is() && rSortAlgorithm == aSortAlgorithm && rLocale.Language == aLocale.Language &&
+            rLocale.Country == aLocale.Country && rLocale.Variant == aLocale.Variant)
+        return xIES;
+    else {
+        rtl::Reference<LocaleDataImpl> ld(new LocaleDataImpl);
+        aLocale = rLocale;
+        if (rSortAlgorithm.isEmpty())
+            aSortAlgorithm = ld->getDefaultIndexAlgorithm( rLocale );
+        else
+            aSortAlgorithm = rSortAlgorithm;
+
+        OUString module = ld->getIndexModuleByAlgorithm(rLocale, aSortAlgorithm);
+        if (!module.isEmpty() && createLocaleSpecificIndexEntrySupplier(module))
+            return xIES;
+
+        bool bLoaded = false;
+        if (!aSortAlgorithm.isEmpty())
+        {
+            // Load service with name <base>_<lang>_<country>_<algorithm>
+            // or <base>_<bcp47>_<algorithm> and fallbacks.
+            bLoaded = createLocaleSpecificIndexEntrySupplier(
+                    Concat2View(
+                        LocaleDataImpl::getFirstLocaleServiceName( rLocale) + "_"
+                        + aSortAlgorithm));
+            if (!bLoaded)
+            {
+                ::std::vector< OUString > aFallbacks( LocaleDataImpl::getFallbackLocaleServiceNames( rLocale));
+                for (auto const& fallback : aFallbacks)
+                {
+                    bLoaded = createLocaleSpecificIndexEntrySupplier(Concat2View(fallback + "_" + aSortAlgorithm));
+                    if (bLoaded)
+                        break;
+                }
+                if (!bLoaded)
+                {
+                    // load service with name <base>_<algorithm>
+                    bLoaded = createLocaleSpecificIndexEntrySupplier( aSortAlgorithm);
+                }
+            }
+        }
+        if (!bLoaded)
+        {
+            // load default service with name <base>_Unicode
+            bLoaded = createLocaleSpecificIndexEntrySupplier( u"Unicode");
+            if (!bLoaded)
+            {
+                throw RuntimeException();   // could not load any service
+            }
+        }
+        return xIES;
+    }
+}
+
+OUString SAL_CALL IndexEntrySupplier::getIndexFollowPageWord( sal_Bool bMorePages,
+        const Locale& rLocale )
+{
+    Sequence< OUString > aFollowPageWords = LocaleDataImpl::get()->getFollowPageWords(rLocale);
+
+    return (bMorePages && aFollowPageWords.getLength() > 1) ?
+        aFollowPageWords[1] : (aFollowPageWords.hasElements() ?
+                aFollowPageWords[0] : OUString());
+}
+
+constexpr OUString implementationName = u"com.sun.star.i18n.IndexEntrySupplier"_ustr;
+
+OUString SAL_CALL
+IndexEntrySupplier::getImplementationName()
+{
+    return implementationName;
+}
+
+sal_Bool SAL_CALL
+IndexEntrySupplier::supportsService(const OUString& rServiceName)
+{
+    return cppu::supportsService(this, rServiceName);
+}
+
+Sequence< OUString > SAL_CALL
+IndexEntrySupplier::getSupportedServiceNames()
+{
+    Sequence< OUString > aRet { implementationName };
+    return aRet;
+}
+
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */