LCOV - code coverage report
Current view: top level - usr/local/src/libreoffice/unotools/source/i18n - transliterationwrapper.cxx (source / functions) Hit Total Coverage
Test: libreoffice_filtered.info Lines: 70 90 77.8 %
Date: 2013-07-09 Functions: 12 13 92.3 %
Legend: Lines: hit not hit

          Line data    Source code
       1             : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
       2             : /*
       3             :  * This file is part of the LibreOffice project.
       4             :  *
       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             : 
      21             : #include <unotools/transliterationwrapper.hxx>
      22             : #include <tools/debug.hxx>
      23             : #include <i18nlangtag/languagetag.hxx>
      24             : 
      25             : #include <com/sun/star/i18n/TransliterationModulesExtra.hpp>
      26             : #include <com/sun/star/i18n/Transliteration.hpp>
      27             : 
      28             : using namespace ::com::sun::star::lang;
      29             : using namespace ::com::sun::star::i18n;
      30             : using namespace ::com::sun::star::uno;
      31             : using namespace ::utl;
      32             : 
      33         215 : TransliterationWrapper::TransliterationWrapper(
      34             :                     const Reference< XComponentContext > & rxContext,
      35             :                     sal_uInt32 nTyp )
      36             :     : xTrans( Transliteration::create(rxContext) ),
      37         215 :       aLanguageTag( LANGUAGE_SYSTEM ), nType( nTyp ), bFirstCall( sal_True )
      38             : {
      39         215 : }
      40             : 
      41             : 
      42         161 : TransliterationWrapper::~TransliterationWrapper()
      43             : {
      44         161 : }
      45             : 
      46             : 
      47          36 : OUString TransliterationWrapper::transliterate(const OUString& rStr, sal_uInt16 nLang,
      48             :                                                sal_Int32 nStart, sal_Int32 nLen,
      49             :                                                Sequence <sal_Int32>* pOffset )
      50             : {
      51          36 :     OUString sRet;
      52          36 :     if( xTrans.is() )
      53             :     {
      54             :         try
      55             :         {
      56          36 :             loadModuleIfNeeded( nLang );
      57             : 
      58          36 :             if ( pOffset )
      59          36 :                 sRet = xTrans->transliterate( rStr, nStart, nLen, *pOffset );
      60             :             else
      61           0 :                 sRet = xTrans->transliterateString2String( rStr, nStart, nLen);
      62             :         }
      63           0 :         catch( Exception&  )
      64             :         {
      65             :             SAL_WARN( "unotools.i18n", "transliterate: Exception caught!" );
      66             :         }
      67             :     }
      68          36 :     return sRet;
      69             : }
      70             : 
      71             : 
      72           0 : OUString TransliterationWrapper::transliterate( const OUString& rStr,
      73             :                                                 sal_Int32 nStart, sal_Int32 nLen,
      74             :                                                 Sequence <sal_Int32>* pOffset ) const
      75             : {
      76           0 :     OUString sRet( rStr );
      77           0 :     if( xTrans.is() )
      78             :     {
      79             :         try
      80             :         {
      81           0 :             if ( pOffset )
      82           0 :                 sRet = xTrans->transliterate( rStr, nStart, nLen, *pOffset );
      83             :             else
      84           0 :                 sRet = xTrans->transliterateString2String( rStr, nStart, nLen);
      85             :         }
      86           0 :         catch( Exception&  )
      87             :         {
      88             :             SAL_WARN( "unotools.i18n", "transliterate: Exception caught!" );
      89             :         }
      90             :     }
      91           0 :     return sRet;
      92             : }
      93             : 
      94         267 : bool TransliterationWrapper::needLanguageForTheMode() const
      95             : {
      96         532 :     return TransliterationModules_UPPERCASE_LOWERCASE == nType ||
      97         528 :            TransliterationModules_LOWERCASE_UPPERCASE == nType ||
      98         265 :            TransliterationModules_IGNORE_CASE == nType ||
      99           4 :            (sal_uInt32) TransliterationModulesExtra::SENTENCE_CASE == (sal_uInt32) nType ||
     100         271 :            (sal_uInt32) TransliterationModulesExtra::TITLE_CASE    == (sal_uInt32) nType ||
     101         269 :            (sal_uInt32) TransliterationModulesExtra::TOGGLE_CASE   == (sal_uInt32) nType;
     102             : }
     103             : 
     104             : 
     105         358 : void TransliterationWrapper::setLanguageLocaleImpl( sal_uInt16 nLang )
     106             : {
     107         358 :     if( LANGUAGE_NONE == nLang )
     108           0 :         nLang = LANGUAGE_SYSTEM;
     109         358 :     aLanguageTag.reset( nLang);
     110         358 : }
     111             : 
     112             : 
     113         751 : void TransliterationWrapper::loadModuleIfNeeded( sal_uInt16 nLang )
     114             : {
     115         751 :     bool bLoad = bFirstCall;
     116         751 :     bFirstCall = false;
     117             : 
     118         751 :     if( static_cast< sal_Int32 >(nType) == TransliterationModulesExtra::SENTENCE_CASE )
     119             :     {
     120           1 :         if( bLoad )
     121           1 :             loadModuleByImplName(OUString("SENTENCE_CASE"), nLang);
     122             :     }
     123         750 :     else if( static_cast< sal_Int32 >(nType) == TransliterationModulesExtra::TITLE_CASE )
     124             :     {
     125           1 :         if( bLoad )
     126           1 :             loadModuleByImplName(OUString("TITLE_CASE"), nLang);
     127             :     }
     128         749 :     else if( static_cast< sal_Int32 >(nType) == TransliterationModulesExtra::TOGGLE_CASE )
     129             :     {
     130           1 :         if( bLoad )
     131           1 :             loadModuleByImplName(OUString("TOGGLE_CASE"), nLang);
     132             :     }
     133             :     else
     134             :     {
     135         748 :         if( aLanguageTag.getLanguageType() != nLang )
     136             :         {
     137         355 :             setLanguageLocaleImpl( nLang );
     138         355 :             if( !bLoad )
     139         263 :                 bLoad = needLanguageForTheMode();
     140             :         }
     141         748 :         if( bLoad )
     142         473 :             loadModuleImpl();
     143             :     }
     144         751 : }
     145             : 
     146             : 
     147         473 : void TransliterationWrapper::loadModuleImpl() const
     148             : {
     149         473 :     if ( bFirstCall )
     150           0 :         ((TransliterationWrapper*)this)->setLanguageLocaleImpl( LANGUAGE_SYSTEM );
     151             : 
     152             :     try
     153             :     {
     154         473 :         if ( xTrans.is() )
     155         473 :             xTrans->loadModule( (TransliterationModules)nType, aLanguageTag.getLocale() );
     156             :     }
     157           0 :     catch ( const Exception& e )
     158             :     {
     159             :         SAL_WARN( "unotools.i18n", "loadModuleImpl: Exception caught " << e.Message );
     160             :     }
     161             : 
     162         473 :     bFirstCall = false;
     163         473 : }
     164             : 
     165             : 
     166           3 : void TransliterationWrapper::loadModuleByImplName(const OUString& rModuleName,
     167             :                                                   sal_uInt16 nLang )
     168             : {
     169             :     try
     170             :     {
     171           3 :         setLanguageLocaleImpl( nLang );
     172           3 :         com::sun::star::lang::Locale aLocale( aLanguageTag.getLocale());
     173             :         // Reset LanguageTag, so the next call to loadModuleIfNeeded() forces
     174             :         // new settings.
     175           3 :         aLanguageTag.reset( LANGUAGE_DONTKNOW);
     176           3 :         if ( xTrans.is() )
     177           3 :             xTrans->loadModuleByImplName( rModuleName, aLocale );
     178             :     }
     179           0 :     catch ( const Exception& e )
     180             :     {
     181             :         SAL_WARN( "unotools.i18n", "loadModuleByImplName: Exception caught " << e.Message );
     182             :     }
     183             : 
     184           3 :     bFirstCall = false;
     185           3 : }
     186             : 
     187             : 
     188        5886 : bool TransliterationWrapper::equals(
     189             :     const OUString& rStr1, sal_Int32 nPos1, sal_Int32 nCount1, sal_Int32& nMatch1,
     190             :     const OUString& rStr2, sal_Int32 nPos2, sal_Int32 nCount2, sal_Int32& nMatch2 ) const
     191             : {
     192             :     try
     193             :     {
     194        5886 :         if( bFirstCall )
     195           0 :             loadModuleImpl();
     196        5886 :         if ( xTrans.is() )
     197        5886 :             return xTrans->equals( rStr1, nPos1, nCount1, nMatch1, rStr2, nPos2, nCount2, nMatch2 );
     198             :     }
     199           0 :     catch ( const Exception& e )
     200             :     {
     201             :         SAL_WARN( "unotools.i18n", "equals: Exception caught " << e.Message );
     202             :     }
     203           0 :     return false;
     204             : }
     205             : 
     206          74 : sal_Int32 TransliterationWrapper::compareString( const OUString& rStr1, const OUString& rStr2 ) const
     207             : {
     208             :     try
     209             :     {
     210          74 :         if( bFirstCall )
     211           0 :             loadModuleImpl();
     212          74 :         if ( xTrans.is() )
     213          74 :             return xTrans->compareString( rStr1, rStr2 );
     214             :     }
     215           0 :     catch (const Exception& e)
     216             :     {
     217             :         SAL_WARN( "unotools.i18n", "compareString: Exception caught " << e.Message );
     218             :     }
     219           0 :     return 0;
     220             : }
     221             : 
     222             : 
     223             : // --- helpers --------------------------------------------------------
     224             : 
     225        4287 : bool TransliterationWrapper::isEqual( const OUString& rStr1, const OUString& rStr2 ) const
     226             : {
     227             :     sal_Int32 nMatch1, nMatch2;
     228             :     bool bMatch = equals(
     229             :         rStr1, 0, rStr1.getLength(), nMatch1,
     230        4287 :         rStr2, 0, rStr2.getLength(), nMatch2 );
     231        4287 :     return bMatch;
     232             : }
     233             : 
     234             : 
     235        1599 : bool TransliterationWrapper::isMatch( const OUString& rStr1, const OUString& rStr2 ) const
     236             : {
     237             :     sal_Int32 nMatch1, nMatch2;
     238             :     equals(
     239             :         rStr1, 0, rStr1.getLength(), nMatch1,
     240        1599 :         rStr2, 0, rStr2.getLength(), nMatch2 );
     241        1599 :     return (nMatch1 <= nMatch2) && (nMatch1 == rStr1.getLength());
     242             : }
     243             : 
     244             : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */

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