232 lines
7 KiB
C++
232 lines
7 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 <sal/config.h>
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#include <sal/log.hxx>
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#include <unotools/transliterationwrapper.hxx>
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#include <i18nlangtag/languagetag.hxx>
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#include <i18nutil/transliteration.hxx>
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#include <com/sun/star/i18n/TransliterationModulesExtra.hpp>
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#include <com/sun/star/i18n/Transliteration.hpp>
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using namespace ::com::sun::star::lang;
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using namespace ::com::sun::star::i18n;
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using namespace ::com::sun::star::uno;
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using namespace ::utl;
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TransliterationWrapper::TransliterationWrapper(
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const Reference< XComponentContext > & rxContext,
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TransliterationFlags nTyp )
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: xTrans( Transliteration::create(rxContext) ),
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aLanguageTag( LANGUAGE_SYSTEM ), nType( nTyp ), bFirstCall( true )
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{
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}
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TransliterationWrapper::~TransliterationWrapper()
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{
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}
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OUString TransliterationWrapper::transliterate(const OUString& rStr, LanguageType nLang,
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sal_Int32 nStart, sal_Int32 nLen,
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Sequence <sal_Int32>* pOffset )
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{
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OUString sRet;
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if( xTrans.is() )
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{
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try
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{
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loadModuleIfNeeded( nLang );
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if ( pOffset )
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sRet = xTrans->transliterate( rStr, nStart, nLen, *pOffset );
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else
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sRet = xTrans->transliterateString2String( rStr, nStart, nLen);
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}
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catch( Exception& )
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{
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SAL_WARN( "unotools.i18n", "transliterate: Exception caught!" );
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}
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}
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return sRet;
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}
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OUString TransliterationWrapper::transliterate( const OUString& rStr,
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sal_Int32 nStart, sal_Int32 nLen ) const
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{
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OUString sRet( rStr );
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if( xTrans.is() )
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{
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try
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{
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sRet = xTrans->transliterateString2String( rStr, nStart, nLen);
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}
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catch( Exception& )
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{
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SAL_WARN( "unotools.i18n", "transliterate: Exception caught!" );
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}
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}
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return sRet;
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}
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bool TransliterationWrapper::needLanguageForTheMode() const
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{
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return TransliterationFlags::UPPERCASE_LOWERCASE == nType ||
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TransliterationFlags::LOWERCASE_UPPERCASE == nType ||
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TransliterationFlags::IGNORE_CASE == nType ||
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TransliterationFlags::SENTENCE_CASE == nType ||
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TransliterationFlags::TITLE_CASE == nType ||
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TransliterationFlags::TOGGLE_CASE == nType;
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}
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void TransliterationWrapper::setLanguageLocaleImpl( LanguageType nLang )
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{
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if( LANGUAGE_NONE == nLang )
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nLang = LANGUAGE_SYSTEM;
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aLanguageTag.reset( nLang);
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}
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void TransliterationWrapper::loadModuleIfNeeded( LanguageType nLang )
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{
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bool bLoad = bFirstCall;
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bFirstCall = false;
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if( nType == TransliterationFlags::SENTENCE_CASE )
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{
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if( bLoad )
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loadModuleByImplName("SENTENCE_CASE", nLang);
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}
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else if( nType == TransliterationFlags::TITLE_CASE )
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{
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if( bLoad )
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loadModuleByImplName("TITLE_CASE", nLang);
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}
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else if( nType == TransliterationFlags::TOGGLE_CASE )
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{
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if( bLoad )
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loadModuleByImplName("TOGGLE_CASE", nLang);
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}
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else
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{
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if( aLanguageTag.getLanguageType() != nLang )
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{
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setLanguageLocaleImpl( nLang );
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if( !bLoad )
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bLoad = needLanguageForTheMode();
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}
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if( bLoad )
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loadModuleImpl();
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}
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}
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void TransliterationWrapper::loadModuleImpl() const
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{
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if ( bFirstCall )
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const_cast<TransliterationWrapper*>(this)->setLanguageLocaleImpl( LANGUAGE_SYSTEM );
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try
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{
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if ( xTrans.is() )
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xTrans->loadModule( static_cast<TransliterationModules>(nType), aLanguageTag.getLocale() );
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}
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catch ( const Exception& e )
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{
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SAL_WARN( "unotools.i18n", "loadModuleImpl: Exception caught " << e );
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}
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bFirstCall = false;
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}
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void TransliterationWrapper::loadModuleByImplName(const OUString& rModuleName,
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LanguageType nLang )
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{
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try
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{
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setLanguageLocaleImpl( nLang );
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css::lang::Locale aLocale( aLanguageTag.getLocale());
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// Reset LanguageTag, so the next call to loadModuleIfNeeded() forces
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// new settings.
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aLanguageTag.reset( LANGUAGE_DONTKNOW);
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if ( xTrans.is() )
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xTrans->loadModuleByImplName( rModuleName, aLocale );
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}
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catch ( const Exception& e )
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{
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SAL_WARN( "unotools.i18n", "loadModuleByImplName: Exception caught " << e );
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}
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bFirstCall = false;
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}
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bool TransliterationWrapper::equals(
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const OUString& rStr1, sal_Int32 nPos1, sal_Int32 nCount1, sal_Int32& nMatch1,
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const OUString& rStr2, sal_Int32 nPos2, sal_Int32 nCount2, sal_Int32& nMatch2 ) const
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{
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try
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{
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if( bFirstCall )
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loadModuleImpl();
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if ( xTrans.is() )
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return xTrans->equals( rStr1, nPos1, nCount1, nMatch1, rStr2, nPos2, nCount2, nMatch2 );
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}
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catch ( const Exception& e )
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{
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SAL_WARN( "unotools.i18n", "equals: Exception caught " << e );
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}
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return false;
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}
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sal_Int32 TransliterationWrapper::compareString( const OUString& rStr1, const OUString& rStr2 ) const
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{
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try
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{
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if( bFirstCall )
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loadModuleImpl();
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if ( xTrans.is() )
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return xTrans->compareString( rStr1, rStr2 );
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}
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catch (const Exception& e)
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{
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SAL_WARN( "unotools.i18n", "compareString: Exception caught " << e );
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}
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return 0;
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}
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// --- helpers --------------------------------------------------------
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bool TransliterationWrapper::isEqual( const OUString& rStr1, const OUString& rStr2 ) const
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{
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sal_Int32 nMatch1(0), nMatch2(0);
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bool bMatch = equals(
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rStr1, 0, rStr1.getLength(), nMatch1,
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rStr2, 0, rStr2.getLength(), nMatch2 );
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return bMatch;
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}
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bool TransliterationWrapper::isMatch( const OUString& rStr1, const OUString& rStr2 ) const
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{
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sal_Int32 nMatch1(0), nMatch2(0);
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equals(
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rStr1, 0, rStr1.getLength(), nMatch1,
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rStr2, 0, rStr2.getLength(), nMatch2 );
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return (nMatch1 <= nMatch2) && (nMatch1 == rStr1.getLength());
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}
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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