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/* -*- 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 <unotools/transliterationwrapper.hxx>
#include <tools/debug.hxx>
#include <i18nlangtag/languagetag.hxx>
#include <com/sun/star/i18n/TransliterationModulesExtra.hpp>
#include <com/sun/star/i18n/Transliteration.hpp>
using namespace ::com::sun::star::lang;
using namespace ::com::sun::star::i18n;
using namespace ::com::sun::star::uno;
using namespace ::utl;
TransliterationWrapper::TransliterationWrapper(
const Reference< XComponentContext > & rxContext,
sal_uInt32 nTyp )
: xTrans( Transliteration::create(rxContext) ),
aLanguageTag( LANGUAGE_SYSTEM ), nType( nTyp ), bFirstCall( sal_True )
{
}
TransliterationWrapper::~TransliterationWrapper()
{
}
String TransliterationWrapper::transliterate(
const String& rStr, sal_uInt16 nLang,
xub_StrLen nStart, xub_StrLen nLen,
Sequence <sal_Int32>* pOffset )
{
String sRet;
if( xTrans.is() )
{
try
{
loadModuleIfNeeded( nLang );
if ( pOffset )
sRet = xTrans->transliterate( rStr, nStart, nLen, *pOffset );
else
sRet = xTrans->transliterateString2String( rStr, nStart, nLen);
}
catch( Exception& )
{
SAL_WARN( "unotools.i18n", "transliterate: Exception caught!" );
}
}
return sRet;
}
String TransliterationWrapper::transliterate(
const String& rStr,
xub_StrLen nStart, xub_StrLen nLen,
Sequence <sal_Int32>* pOffset ) const
{
String sRet( rStr );
if( xTrans.is() )
{
try
{
if ( pOffset )
sRet = xTrans->transliterate( rStr, nStart, nLen, *pOffset );
else
sRet = xTrans->transliterateString2String( rStr, nStart, nLen);
}
catch( Exception& )
{
SAL_WARN( "unotools.i18n", "transliterate: Exception caught!" );
}
}
return sRet;
}
sal_Bool TransliterationWrapper::needLanguageForTheMode() const
{
return TransliterationModules_UPPERCASE_LOWERCASE == nType ||
TransliterationModules_LOWERCASE_UPPERCASE == nType ||
TransliterationModules_IGNORE_CASE == nType ||
(sal_uInt32) TransliterationModulesExtra::SENTENCE_CASE == (sal_uInt32) nType ||
(sal_uInt32) TransliterationModulesExtra::TITLE_CASE == (sal_uInt32) nType ||
(sal_uInt32) TransliterationModulesExtra::TOGGLE_CASE == (sal_uInt32) nType;
}
void TransliterationWrapper::setLanguageLocaleImpl( sal_uInt16 nLang )
{
if( LANGUAGE_NONE == nLang )
nLang = LANGUAGE_SYSTEM;
aLanguageTag.reset( nLang);
}
void TransliterationWrapper::loadModuleIfNeeded( sal_uInt16 nLang )
{
sal_Bool bLoad = bFirstCall;
bFirstCall = sal_False;
if( static_cast< sal_Int32 >(nType) == TransliterationModulesExtra::SENTENCE_CASE )
{
if( bLoad )
loadModuleByImplName(rtl::OUString("SENTENCE_CASE"), nLang);
}
else if( static_cast< sal_Int32 >(nType) == TransliterationModulesExtra::TITLE_CASE )
{
if( bLoad )
loadModuleByImplName(rtl::OUString("TITLE_CASE"), nLang);
}
else if( static_cast< sal_Int32 >(nType) == TransliterationModulesExtra::TOGGLE_CASE )
{
if( bLoad )
loadModuleByImplName(rtl::OUString("TOGGLE_CASE"), nLang);
}
else
{
if( aLanguageTag.getLanguageType() != nLang )
{
setLanguageLocaleImpl( nLang );
if( !bLoad )
bLoad = needLanguageForTheMode();
}
if( bLoad )
loadModuleImpl();
}
}
void TransliterationWrapper::loadModuleImpl() const
{
if ( bFirstCall )
((TransliterationWrapper*)this)->setLanguageLocaleImpl( LANGUAGE_SYSTEM );
try
{
if ( xTrans.is() )
xTrans->loadModule( (TransliterationModules)nType, aLanguageTag.getLocale() );
}
catch ( const Exception& e )
{
SAL_WARN( "unotools.i18n", "loadModuleImpl: Exception caught " << e.Message );
}
bFirstCall = sal_False;
}
void TransliterationWrapper::loadModuleByImplName(
const String& rModuleName, sal_uInt16 nLang )
{
try
{
setLanguageLocaleImpl( nLang );
com::sun::star::lang::Locale aLocale( aLanguageTag.getLocale());
// Reset LanguageTag, so the next call to loadModuleIfNeeded() forces
// new settings.
aLanguageTag.reset( LANGUAGE_DONTKNOW);
if ( xTrans.is() )
xTrans->loadModuleByImplName( rModuleName, aLocale );
}
catch ( const Exception& e )
{
SAL_WARN( "unotools.i18n", "loadModuleByImplName: Exception caught " << e.Message );
}
bFirstCall = sal_False;
}
sal_Bool TransliterationWrapper::equals(
const String& rStr1, sal_Int32 nPos1, sal_Int32 nCount1, sal_Int32& nMatch1,
const String& rStr2, sal_Int32 nPos2, sal_Int32 nCount2, sal_Int32& nMatch2 ) const
{
try
{
if( bFirstCall )
loadModuleImpl();
if ( xTrans.is() )
return xTrans->equals( rStr1, nPos1, nCount1, nMatch1, rStr2, nPos2, nCount2, nMatch2 );
}
catch ( const Exception& e )
{
SAL_WARN( "unotools.i18n", "equals: Exception caught " << e.Message );
}
return sal_False;
}
sal_Int32 TransliterationWrapper::compareString( const String& rStr1, const String& rStr2 ) const
{
try
{
if( bFirstCall )
loadModuleImpl();
if ( xTrans.is() )
return xTrans->compareString( rStr1, rStr2 );
}
catch (const Exception& e)
{
SAL_WARN( "unotools.i18n", "compareString: Exception caught " << e.Message );
}
return 0;
}
// --- helpers --------------------------------------------------------
sal_Bool TransliterationWrapper::isEqual( const String& rStr1, const String& rStr2 ) const
{
sal_Int32 nMatch1, nMatch2;
sal_Bool bMatch = equals(
rStr1, 0, rStr1.Len(), nMatch1,
rStr2, 0, rStr2.Len(), nMatch2 );
return bMatch;
}
sal_Bool TransliterationWrapper::isMatch( const String& rStr1, const String& rStr2 ) const
{
sal_Int32 nMatch1, nMatch2;
equals(
rStr1, 0, rStr1.Len(), nMatch1,
rStr2, 0, rStr2.Len(), nMatch2 );
return (nMatch1 <= nMatch2) && (nMatch1 == rStr1.Len());
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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