229 lines
9.1 KiB
C++
229 lines
9.1 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#include <characterclassificationImpl.hxx>
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#include <rtl/ustrbuf.hxx>
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using namespace com::sun::star::uno;
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using namespace com::sun::star::lang;
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using ::rtl::OUString;
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using ::rtl::OUStringBuffer;
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namespace com { namespace sun { namespace star { namespace i18n {
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CharacterClassificationImpl::CharacterClassificationImpl(
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const Reference < uno::XComponentContext >& rxContext ) : m_xContext( rxContext )
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{
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if (createLocaleSpecificCharacterClassification(OUString("Unicode"), Locale()))
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xUCI = cachedItem->xCI;
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}
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CharacterClassificationImpl::~CharacterClassificationImpl() {
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// Clear lookuptable
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for (size_t l = 0; l < lookupTable.size(); l++)
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delete lookupTable[l];
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lookupTable.clear();
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}
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OUString SAL_CALL
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CharacterClassificationImpl::toUpper( const OUString& Text, sal_Int32 nPos,
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sal_Int32 nCount, const Locale& rLocale ) throw(RuntimeException)
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{
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return getLocaleSpecificCharacterClassification(rLocale)->toUpper(Text, nPos, nCount, rLocale);
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}
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OUString SAL_CALL
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CharacterClassificationImpl::toLower( const OUString& Text, sal_Int32 nPos,
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sal_Int32 nCount, const Locale& rLocale ) throw(RuntimeException)
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{
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return getLocaleSpecificCharacterClassification(rLocale)->toLower(Text, nPos, nCount, rLocale);
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}
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OUString SAL_CALL
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CharacterClassificationImpl::toTitle( const OUString& Text, sal_Int32 nPos,
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sal_Int32 nCount, const Locale& rLocale ) throw(RuntimeException)
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{
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return getLocaleSpecificCharacterClassification(rLocale)->toTitle(Text, nPos, nCount, rLocale);
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}
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sal_Int16 SAL_CALL
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CharacterClassificationImpl::getType( const OUString& Text, sal_Int32 nPos )
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throw(RuntimeException)
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{
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if (xUCI.is())
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return xUCI->getType(Text, nPos);
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throw RuntimeException();
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}
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sal_Int16 SAL_CALL
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CharacterClassificationImpl::getCharacterDirection( const OUString& Text, sal_Int32 nPos )
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throw(RuntimeException)
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{
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if (xUCI.is())
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return xUCI->getCharacterDirection(Text, nPos);
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throw RuntimeException();
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}
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sal_Int16 SAL_CALL
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CharacterClassificationImpl::getScript( const OUString& Text, sal_Int32 nPos )
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throw(RuntimeException)
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{
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if (xUCI.is())
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return xUCI->getScript(Text, nPos);
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throw RuntimeException();
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}
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sal_Int32 SAL_CALL
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CharacterClassificationImpl::getCharacterType( const OUString& Text, sal_Int32 nPos,
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const Locale& rLocale ) throw(RuntimeException)
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{
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return getLocaleSpecificCharacterClassification(rLocale)->getCharacterType(Text, nPos, rLocale);
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}
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sal_Int32 SAL_CALL
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CharacterClassificationImpl::getStringType( const OUString& Text, sal_Int32 nPos,
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sal_Int32 nCount, const Locale& rLocale ) throw(RuntimeException)
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{
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return getLocaleSpecificCharacterClassification(rLocale)->getStringType(Text, nPos, nCount, rLocale);
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}
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ParseResult SAL_CALL CharacterClassificationImpl::parseAnyToken(
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const OUString& Text, sal_Int32 nPos, const Locale& rLocale,
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sal_Int32 startCharTokenType, const OUString& userDefinedCharactersStart,
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sal_Int32 contCharTokenType, const OUString& userDefinedCharactersCont )
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throw(RuntimeException)
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{
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return getLocaleSpecificCharacterClassification(rLocale)->parseAnyToken(Text, nPos, rLocale,
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startCharTokenType,userDefinedCharactersStart,
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contCharTokenType, userDefinedCharactersCont);
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}
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ParseResult SAL_CALL CharacterClassificationImpl::parsePredefinedToken(
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sal_Int32 nTokenType, const OUString& Text, sal_Int32 nPos,
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const Locale& rLocale, sal_Int32 startCharTokenType,
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const OUString& userDefinedCharactersStart, sal_Int32 contCharTokenType,
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const OUString& userDefinedCharactersCont ) throw(RuntimeException)
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{
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return getLocaleSpecificCharacterClassification(rLocale)->parsePredefinedToken(
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nTokenType, Text, nPos, rLocale, startCharTokenType, userDefinedCharactersStart,
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contCharTokenType, userDefinedCharactersCont);
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}
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sal_Bool SAL_CALL CharacterClassificationImpl::createLocaleSpecificCharacterClassification(const OUString& serviceName, const Locale& rLocale)
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{
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// to share service between same Language but different Country code, like zh_CN and zh_SG
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for (size_t l = 0; l < lookupTable.size(); l++) {
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cachedItem = lookupTable[l];
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if (serviceName == cachedItem->aName) {
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lookupTable.push_back( cachedItem = new lookupTableItem(rLocale, serviceName, cachedItem->xCI) );
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return sal_True;
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}
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}
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Reference < XInterface > xI = m_xContext->getServiceManager()->createInstanceWithContext(
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OUString("com.sun.star.i18n.CharacterClassification_") + serviceName, m_xContext);
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Reference < XCharacterClassification > xCI;
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if ( xI.is() ) {
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xI->queryInterface(::getCppuType((const Reference< XCharacterClassification>*)0) ) >>= xCI;
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if (xCI.is()) {
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lookupTable.push_back( cachedItem = new lookupTableItem(rLocale, serviceName, xCI) );
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return sal_True;
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}
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}
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return sal_False;
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}
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Reference < XCharacterClassification > SAL_CALL
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CharacterClassificationImpl::getLocaleSpecificCharacterClassification(const Locale& rLocale)
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throw(RuntimeException)
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{
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// reuse instance if locale didn't change
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if (cachedItem && cachedItem->equals(rLocale))
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return cachedItem->xCI;
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else {
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for (size_t i = 0; i < lookupTable.size(); i++) {
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cachedItem = lookupTable[i];
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if (cachedItem->equals(rLocale))
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return cachedItem->xCI;
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}
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static sal_Unicode under = (sal_Unicode)'_';
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sal_Int32 l = rLocale.Language.getLength();
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sal_Int32 c = rLocale.Country.getLength();
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sal_Int32 v = rLocale.Variant.getLength();
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OUStringBuffer aBuf(l+c+v+3);
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// load service with name <base>_<lang>_<country>_<varian>
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if ((l > 0 && c > 0 && v > 0 &&
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createLocaleSpecificCharacterClassification(aBuf.append(rLocale.Language).append(under).append(
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rLocale.Country).append(under).append(rLocale.Variant).makeStringAndClear(), rLocale)) ||
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// load service with name <base>_<lang>_<country>
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(l > 0 && c > 0 &&
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createLocaleSpecificCharacterClassification(aBuf.append(rLocale.Language).append(under).append(
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rLocale.Country).makeStringAndClear(), rLocale)) ||
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(l > 0 && c > 0 && rLocale.Language.compareToAscii("zh") == 0 &&
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(rLocale.Country.compareToAscii("HK") == 0 ||
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rLocale.Country.compareToAscii("MO") == 0) &&
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// if the country code is HK or MO, one more step to try TW.
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createLocaleSpecificCharacterClassification(aBuf.append(rLocale.Language).append(under).append(
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"TW").makeStringAndClear(), rLocale)) ||
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(l > 0 &&
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// load service with name <base>_<lang>
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createLocaleSpecificCharacterClassification(rLocale.Language, rLocale))) {
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return cachedItem->xCI;
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} else if (xUCI.is()) {
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lookupTable.push_back( cachedItem = new lookupTableItem(rLocale, OUString("Unicode"), xUCI) );
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return cachedItem->xCI;
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}
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}
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throw RuntimeException();
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}
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const sal_Char cClass[] = "com.sun.star.i18n.CharacterClassification";
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OUString SAL_CALL
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CharacterClassificationImpl::getImplementationName(void)
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throw( RuntimeException )
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{
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return OUString::createFromAscii(cClass);
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}
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sal_Bool SAL_CALL
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CharacterClassificationImpl::supportsService(const rtl::OUString& rServiceName)
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throw( RuntimeException )
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{
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return !rServiceName.compareToAscii(cClass);
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}
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Sequence< OUString > SAL_CALL
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CharacterClassificationImpl::getSupportedServiceNames(void) throw( RuntimeException )
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{
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Sequence< OUString > aRet(1);
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aRet[0] = OUString::createFromAscii(cClass);
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return aRet;
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}
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} } } }
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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