LCOV - code coverage report
Current view: top level - linguistic/source - gciterator.cxx (source / functions) Hit Total Coverage
Test: commit 10e77ab3ff6f4314137acd6e2702a6e5c1ce1fae Lines: 65 466 13.9 %
Date: 2014-11-03 Functions: 11 40 27.5 %
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             : #include <sal/macros.h>
      21             : #include <com/sun/star/container/XContentEnumerationAccess.hpp>
      22             : #include <com/sun/star/container/XEnumeration.hpp>
      23             : #include <com/sun/star/container/XNameAccess.hpp>
      24             : #include <com/sun/star/container/XNameContainer.hpp>
      25             : #include <com/sun/star/container/XNameReplace.hpp>
      26             : #include <com/sun/star/configuration/theDefaultProvider.hpp>
      27             : #include <com/sun/star/i18n/BreakIterator.hpp>
      28             : #include <com/sun/star/lang/XComponent.hpp>
      29             : #include <com/sun/star/lang/XServiceInfo.hpp>
      30             : #include <com/sun/star/lang/XMultiServiceFactory.hpp>
      31             : #include <com/sun/star/linguistic2/XSupportedLocales.hpp>
      32             : #include <com/sun/star/linguistic2/XProofreader.hpp>
      33             : #include <com/sun/star/linguistic2/XProofreadingIterator.hpp>
      34             : #include <com/sun/star/linguistic2/SingleProofreadingError.hpp>
      35             : #include <com/sun/star/linguistic2/ProofreadingResult.hpp>
      36             : #include <com/sun/star/linguistic2/LinguServiceEvent.hpp>
      37             : #include <com/sun/star/linguistic2/LinguServiceEventFlags.hpp>
      38             : #include <com/sun/star/registry/XRegistryKey.hpp>
      39             : #include <com/sun/star/text/TextMarkupType.hpp>
      40             : #include <com/sun/star/text/TextMarkupDescriptor.hpp>
      41             : #include <com/sun/star/text/XTextMarkup.hpp>
      42             : #include <com/sun/star/text/XMultiTextMarkup.hpp>
      43             : #include <com/sun/star/text/XFlatParagraph.hpp>
      44             : #include <com/sun/star/text/XFlatParagraphIterator.hpp>
      45             : #include <com/sun/star/uno/XComponentContext.hpp>
      46             : #include <com/sun/star/lang/XSingleComponentFactory.hpp>
      47             : 
      48             : #include <sal/config.h>
      49             : #include <osl/conditn.hxx>
      50             : #include <osl/thread.hxx>
      51             : #include <cppuhelper/implbase4.hxx>
      52             : #include <cppuhelper/implementationentry.hxx>
      53             : #include <cppuhelper/interfacecontainer.h>
      54             : #include <cppuhelper/factory.hxx>
      55             : #include <cppuhelper/supportsservice.hxx>
      56             : #include <i18nlangtag/languagetag.hxx>
      57             : #include <comphelper/processfactory.hxx>
      58             : #include <comphelper/extract.hxx>
      59             : 
      60             : #include <deque>
      61             : #include <map>
      62             : #include <vector>
      63             : 
      64             : #include "linguistic/misc.hxx"
      65             : #include "defs.hxx"
      66             : #include "lngopt.hxx"
      67             : #include "lngreg.hxx"
      68             : 
      69             : #include "gciterator.hxx"
      70             : 
      71             : using namespace linguistic;
      72             : using namespace ::com::sun::star;
      73             : 
      74             : // forward declarations
      75             : static OUString GrammarCheckingIterator_getImplementationName() throw();
      76             : static uno::Sequence< OUString > GrammarCheckingIterator_getSupportedServiceNames() throw();
      77             : 
      78             : 
      79             : 
      80             : // white space list: obtained from the fonts.config.txt of a Linux system.
      81             : static const sal_Unicode aWhiteSpaces[] =
      82             : {
      83             :     0x0020,   /* SPACE */
      84             :     0x00a0,   /* NO-BREAK SPACE */
      85             :     0x00ad,   /* SOFT HYPHEN */
      86             :     0x115f,   /* HANGUL CHOSEONG FILLER */
      87             :     0x1160,   /* HANGUL JUNGSEONG FILLER */
      88             :     0x1680,   /* OGHAM SPACE MARK */
      89             :     0x2000,   /* EN QUAD */
      90             :     0x2001,   /* EM QUAD */
      91             :     0x2002,   /* EN SPACE */
      92             :     0x2003,   /* EM SPACE */
      93             :     0x2004,   /* THREE-PER-EM SPACE */
      94             :     0x2005,   /* FOUR-PER-EM SPACE */
      95             :     0x2006,   /* SIX-PER-EM SPACE */
      96             :     0x2007,   /* FIGURE SPACE */
      97             :     0x2008,   /* PUNCTUATION SPACE */
      98             :     0x2009,   /* THIN SPACE */
      99             :     0x200a,   /* HAIR SPACE */
     100             :     0x200b,   /* ZERO WIDTH SPACE */
     101             :     0x200c,   /* ZERO WIDTH NON-JOINER */
     102             :     0x200d,   /* ZERO WIDTH JOINER */
     103             :     0x200e,   /* LEFT-TO-RIGHT MARK */
     104             :     0x200f,   /* RIGHT-TO-LEFT MARK */
     105             :     0x2028,   /* LINE SEPARATOR */
     106             :     0x2029,   /* PARAGRAPH SEPARATOR */
     107             :     0x202a,   /* LEFT-TO-RIGHT EMBEDDING */
     108             :     0x202b,   /* RIGHT-TO-LEFT EMBEDDING */
     109             :     0x202c,   /* POP DIRECTIONAL FORMATTING */
     110             :     0x202d,   /* LEFT-TO-RIGHT OVERRIDE */
     111             :     0x202e,   /* RIGHT-TO-LEFT OVERRIDE */
     112             :     0x202f,   /* NARROW NO-BREAK SPACE */
     113             :     0x205f,   /* MEDIUM MATHEMATICAL SPACE */
     114             :     0x2060,   /* WORD JOINER */
     115             :     0x2061,   /* FUNCTION APPLICATION */
     116             :     0x2062,   /* INVISIBLE TIMES */
     117             :     0x2063,   /* INVISIBLE SEPARATOR */
     118             :     0x206A,   /* INHIBIT SYMMETRIC SWAPPING */
     119             :     0x206B,   /* ACTIVATE SYMMETRIC SWAPPING */
     120             :     0x206C,   /* INHIBIT ARABIC FORM SHAPING */
     121             :     0x206D,   /* ACTIVATE ARABIC FORM SHAPING */
     122             :     0x206E,   /* NATIONAL DIGIT SHAPES */
     123             :     0x206F,   /* NOMINAL DIGIT SHAPES */
     124             :     0x3000,   /* IDEOGRAPHIC SPACE */
     125             :     0x3164,   /* HANGUL FILLER */
     126             :     0xfeff,   /* ZERO WIDTH NO-BREAK SPACE */
     127             :     0xffa0,   /* HALFWIDTH HANGUL FILLER */
     128             :     0xfff9,   /* INTERLINEAR ANNOTATION ANCHOR */
     129             :     0xfffa,   /* INTERLINEAR ANNOTATION SEPARATOR */
     130             :     0xfffb    /* INTERLINEAR ANNOTATION TERMINATOR */
     131             : };
     132             : 
     133             : static const int nWhiteSpaces = sizeof( aWhiteSpaces ) / sizeof( aWhiteSpaces[0] );
     134             : 
     135           0 : static bool lcl_IsWhiteSpace( sal_Unicode cChar )
     136             : {
     137           0 :     bool bFound = false;
     138           0 :     for (int i = 0;  i < nWhiteSpaces && !bFound;  ++i)
     139             :     {
     140           0 :         if (cChar == aWhiteSpaces[i])
     141           0 :             bFound = true;
     142             :     }
     143           0 :     return bFound;
     144             : }
     145             : 
     146           0 : static sal_Int32 lcl_SkipWhiteSpaces( const OUString &rText, sal_Int32 nStartPos )
     147             : {
     148             :     // note having nStartPos point right behind the string is OK since that one
     149             :     // is a correct end-of-sentence position to be returned from a grammar checker...
     150             : 
     151           0 :     const sal_Int32 nLen = rText.getLength();
     152           0 :     bool bIllegalArgument = false;
     153           0 :     if (nStartPos < 0)
     154             :     {
     155           0 :         bIllegalArgument = true;
     156           0 :         nStartPos = 0;
     157             :     }
     158           0 :     if (nStartPos > nLen)
     159             :     {
     160           0 :         bIllegalArgument = true;
     161           0 :         nStartPos = nLen;
     162             :     }
     163             :     if (bIllegalArgument)
     164             :     {
     165             :         DBG_ASSERT( false, "lcl_SkipWhiteSpaces: illegal arguments" );
     166             :     }
     167             : 
     168           0 :     sal_Int32 nRes = nStartPos;
     169           0 :     if (0 <= nStartPos && nStartPos < nLen)
     170             :     {
     171           0 :         const sal_Unicode *pText = rText.getStr() + nStartPos;
     172           0 :         while (nStartPos < nLen && lcl_IsWhiteSpace( *pText ))
     173           0 :             ++pText;
     174           0 :         nRes = pText - rText.getStr();
     175             :     }
     176             : 
     177             :     DBG_ASSERT( 0 <= nRes && nRes <= nLen, "lcl_SkipWhiteSpaces return value out of range" );
     178           0 :     return nRes;
     179             : }
     180             : 
     181           0 : static sal_Int32 lcl_BacktraceWhiteSpaces( const OUString &rText, sal_Int32 nStartPos )
     182             : {
     183             :     // note: having nStartPos point right behind the string is OK since that one
     184             :     // is a correct end-of-sentence position to be returned from a grammar checker...
     185             : 
     186           0 :     const sal_Int32 nLen = rText.getLength();
     187           0 :     bool bIllegalArgument = false;
     188           0 :     if (nStartPos < 0)
     189             :     {
     190           0 :         bIllegalArgument = true;
     191           0 :         nStartPos = 0;
     192             :     }
     193           0 :     if (nStartPos > nLen)
     194             :     {
     195           0 :         bIllegalArgument = true;
     196           0 :         nStartPos = nLen;
     197             :     }
     198             :     if (bIllegalArgument)
     199             :     {
     200             :         DBG_ASSERT( false, "lcl_BacktraceWhiteSpaces: illegal arguments" );
     201             :     }
     202             : 
     203           0 :     sal_Int32 nRes = nStartPos;
     204           0 :     sal_Int32 nPosBefore = nStartPos - 1;
     205           0 :     const sal_Unicode *pStart = rText.getStr();
     206           0 :     if (0 <= nPosBefore && nPosBefore < nLen && lcl_IsWhiteSpace( pStart[ nPosBefore ] ))
     207             :     {
     208           0 :         nStartPos = nPosBefore;
     209           0 :         if (0 <= nStartPos && nStartPos < nLen)
     210             :         {
     211           0 :             const sal_Unicode *pText = rText.getStr() + nStartPos;
     212           0 :             while (pText > pStart && lcl_IsWhiteSpace( *pText ))
     213           0 :                 --pText;
     214             :             // now add 1 since we want to point to the first char after the last char in the sentence...
     215           0 :             nRes = pText - pStart + 1;
     216             :         }
     217             :     }
     218             : 
     219             :     DBG_ASSERT( 0 <= nRes && nRes <= nLen, "lcl_BacktraceWhiteSpaces return value out of range" );
     220           0 :     return nRes;
     221             : }
     222             : 
     223             : 
     224           2 : extern "C" void lcl_workerfunc (void * gci)
     225             : {
     226           2 :     osl_setThreadName("GrammarCheckingIterator");
     227             : 
     228           2 :     ((GrammarCheckingIterator*)gci)->DequeueAndCheck();
     229           2 : }
     230             : 
     231           0 : static lang::Locale lcl_GetPrimaryLanguageOfSentence(
     232             :     uno::Reference< text::XFlatParagraph > xFlatPara,
     233             :     sal_Int32 nStartIndex )
     234             : {
     235             :     //get the language of the first word
     236           0 :     return xFlatPara->getLanguageOfText( nStartIndex, 1 );
     237             : }
     238             : 
     239             : 
     240           2 : GrammarCheckingIterator::GrammarCheckingIterator() :
     241             :     m_bEnd( false ),
     242             :     m_aCurCheckedDocId(),
     243             :     m_bGCServicesChecked( false ),
     244             :     m_nDocIdCounter( 0 ),
     245             :     m_nLastEndOfSentencePos( -1 ),
     246           2 :     m_aEventListeners( MyMutex::get() ),
     247           4 :     m_aNotifyListeners( MyMutex::get() )
     248             : {
     249           2 :     m_thread = osl_createThread( lcl_workerfunc, this );
     250           2 : }
     251             : 
     252             : 
     253           6 : GrammarCheckingIterator::~GrammarCheckingIterator()
     254             : {
     255           2 :     TerminateThread();
     256           4 : }
     257             : 
     258           6 : void GrammarCheckingIterator::TerminateThread()
     259             : {
     260             :     oslThread t;
     261             :     {
     262           6 :         ::osl::Guard< ::osl::Mutex > aGuard( MyMutex::get() );
     263           6 :         t = m_thread;
     264           6 :         m_thread = 0;
     265           6 :         m_bEnd = true;
     266           6 :         m_aWakeUpThread.set();
     267             :     }
     268           6 :     if (t != 0)
     269             :     {
     270           2 :         osl_joinWithThread(t);
     271           2 :         osl_destroyThread(t);
     272             :     }
     273           6 : }
     274             : 
     275           0 : sal_Int32 GrammarCheckingIterator::NextDocId()
     276             : {
     277           0 :     ::osl::Guard< ::osl::Mutex > aGuard( MyMutex::get() );
     278           0 :     m_nDocIdCounter += 1;
     279           0 :     return m_nDocIdCounter;
     280             : }
     281             : 
     282             : 
     283           0 : OUString GrammarCheckingIterator::GetOrCreateDocId(
     284             :     const uno::Reference< lang::XComponent > &xComponent )
     285             : {
     286             :     // internal method; will always be called with locked mutex
     287             : 
     288           0 :     OUString aRes;
     289           0 :     if (xComponent.is())
     290             :     {
     291           0 :         if (m_aDocIdMap.find( xComponent.get() ) != m_aDocIdMap.end())
     292             :         {
     293             :             // return already existing entry
     294           0 :             aRes = m_aDocIdMap[ xComponent.get() ];
     295             :         }
     296             :         else // add new entry
     297             :         {
     298           0 :             sal_Int32 nRes = NextDocId();
     299           0 :             aRes = OUString::number( nRes );
     300           0 :             m_aDocIdMap[ xComponent.get() ] = aRes;
     301           0 :             xComponent->addEventListener( this );
     302             :         }
     303             :     }
     304           0 :     return aRes;
     305             : }
     306             : 
     307             : 
     308           0 : void GrammarCheckingIterator::AddEntry(
     309             :     uno::WeakReference< text::XFlatParagraphIterator > xFlatParaIterator,
     310             :     uno::WeakReference< text::XFlatParagraph > xFlatPara,
     311             :     const OUString & rDocId,
     312             :     sal_Int32 nStartIndex,
     313             :     bool bAutomatic )
     314             : {
     315             :     // we may not need/have a xFlatParaIterator (e.g. if checkGrammarAtPos was called)
     316             :     // but we always need a xFlatPara...
     317           0 :     uno::Reference< text::XFlatParagraph > xPara( xFlatPara );
     318           0 :     if (xPara.is())
     319             :     {
     320           0 :         FPEntry aNewFPEntry;
     321           0 :         aNewFPEntry.m_xParaIterator = xFlatParaIterator;
     322           0 :         aNewFPEntry.m_xPara         = xFlatPara;
     323           0 :         aNewFPEntry.m_aDocId        = rDocId;
     324           0 :         aNewFPEntry.m_nStartIndex   = nStartIndex;
     325           0 :         aNewFPEntry.m_bAutomatic    = bAutomatic;
     326             : 
     327             :         // add new entry to the end of this queue
     328           0 :         ::osl::Guard< ::osl::Mutex > aGuard( MyMutex::get() );
     329           0 :         m_aFPEntriesQueue.push_back( aNewFPEntry );
     330             : 
     331             :         // wake up the thread in order to do grammar checking
     332           0 :         m_aWakeUpThread.set();
     333           0 :     }
     334           0 : }
     335             : 
     336             : 
     337           0 : void GrammarCheckingIterator::ProcessResult(
     338             :     const linguistic2::ProofreadingResult &rRes,
     339             :     const uno::Reference< text::XFlatParagraphIterator > &rxFlatParagraphIterator,
     340             :     bool bIsAutomaticChecking )
     341             : {
     342             :     DBG_ASSERT( rRes.xFlatParagraph.is(), "xFlatParagraph is missing" );
     343             :      //no guard necessary as no members are used
     344           0 :     bool bContinueWithNextPara = false;
     345           0 :     if (!rRes.xFlatParagraph.is() || rRes.xFlatParagraph->isModified())
     346             :     {
     347             :         // if paragraph was modified/deleted meanwhile continue with the next one...
     348           0 :         bContinueWithNextPara = true;
     349             :     }
     350             :     else    // paragraph is still unchanged...
     351             :     {
     352             :         // mark found errors...
     353             : 
     354           0 :         sal_Int32 nTextLen = rRes.aText.getLength();
     355           0 :         bool bBoundariesOk = 0 <= rRes.nStartOfSentencePosition     && rRes.nStartOfSentencePosition <= nTextLen &&
     356           0 :                              0 <= rRes.nBehindEndOfSentencePosition && rRes.nBehindEndOfSentencePosition <= nTextLen &&
     357           0 :                              0 <= rRes.nStartOfNextSentencePosition && rRes.nStartOfNextSentencePosition <= nTextLen &&
     358           0 :                              rRes.nStartOfSentencePosition      <= rRes.nBehindEndOfSentencePosition &&
     359           0 :                              rRes.nBehindEndOfSentencePosition  <= rRes.nStartOfNextSentencePosition;
     360             :         (void) bBoundariesOk;
     361             :         DBG_ASSERT( bBoundariesOk, "inconsistent sentence boundaries" );
     362             : 
     363           0 :         uno::Reference< text::XMultiTextMarkup > xMulti( rRes.xFlatParagraph, uno::UNO_QUERY );
     364           0 :         if (xMulti.is())    // use new API for markups
     365             :         {
     366             :             try
     367             :             {
     368             :                 // length = number of found errors + 1 sentence markup
     369           0 :                 sal_Int32 nErrors = rRes.aErrors.getLength();
     370           0 :                 uno::Sequence< text::TextMarkupDescriptor > aDescriptors( nErrors + 1 );
     371           0 :                 text::TextMarkupDescriptor * pDescriptors = aDescriptors.getArray();
     372             : 
     373             :                 // at pos 0 .. nErrors-1 -> all grammar errors
     374           0 :                 for (sal_Int32 i = 0;  i < nErrors;  ++i)
     375             :                 {
     376           0 :                     const linguistic2::SingleProofreadingError &rError = rRes.aErrors[i];
     377           0 :                     text::TextMarkupDescriptor &rDesc = aDescriptors[i];
     378             : 
     379           0 :                     rDesc.nType   = rError.nErrorType;
     380           0 :                     rDesc.nOffset = rError.nErrorStart;
     381           0 :                     rDesc.nLength = rError.nErrorLength;
     382             : 
     383             :                     // the proofreader may return SPELLING but right now our core
     384             :                     // does only handle PROOFREADING if the result is from the proofreader...
     385             :                     // (later on we may wish to color spelling errors found by the proofreader
     386             :                     // differently for example. But no special handling right now.
     387           0 :                     if (rDesc.nType == text::TextMarkupType::SPELLCHECK)
     388           0 :                         rDesc.nType = text::TextMarkupType::PROOFREADING;
     389             :                 }
     390             : 
     391             :                 // at pos nErrors -> sentence markup
     392             :                 // nSentenceLength: includes the white-spaces following the sentence end...
     393           0 :                 const sal_Int32 nSentenceLength = rRes.nStartOfNextSentencePosition - rRes.nStartOfSentencePosition;
     394           0 :                 pDescriptors[ nErrors ].nType   = text::TextMarkupType::SENTENCE;
     395           0 :                 pDescriptors[ nErrors ].nOffset = rRes.nStartOfSentencePosition;
     396           0 :                 pDescriptors[ nErrors ].nLength = nSentenceLength;
     397             : 
     398           0 :                 xMulti->commitMultiTextMarkup( aDescriptors ) ;
     399             :             }
     400           0 :             catch (lang::IllegalArgumentException &)
     401             :             {
     402             :                 OSL_FAIL( "commitMultiTextMarkup: IllegalArgumentException exception caught" );
     403             :             }
     404             :         }
     405             : 
     406             :         // other sentences left to be checked in this paragraph?
     407           0 :         if (rRes.nStartOfNextSentencePosition < rRes.aText.getLength())
     408             :         {
     409           0 :             AddEntry( rxFlatParagraphIterator, rRes.xFlatParagraph, rRes.aDocumentIdentifier, rRes.nStartOfNextSentencePosition, bIsAutomaticChecking );
     410             :         }
     411             :         else    // current paragraph finished
     412             :         {
     413             :             // set "already checked" flag for the current flat paragraph
     414           0 :             if (rRes.xFlatParagraph.is())
     415           0 :                 rRes.xFlatParagraph->setChecked( text::TextMarkupType::PROOFREADING, true );
     416             : 
     417           0 :             bContinueWithNextPara = true;
     418           0 :         }
     419             :     }
     420             : 
     421           0 :     if (bContinueWithNextPara)
     422             :     {
     423             :         // we need to continue with the next paragraph
     424           0 :         uno::Reference< text::XFlatParagraph > xFlatParaNext;
     425           0 :         if (rxFlatParagraphIterator.is())
     426           0 :             xFlatParaNext = rxFlatParagraphIterator->getNextPara();
     427             :         {
     428           0 :             AddEntry( rxFlatParagraphIterator, xFlatParaNext, rRes.aDocumentIdentifier, 0, bIsAutomaticChecking );
     429           0 :         }
     430             :     }
     431           0 : }
     432             : 
     433             : 
     434           0 : uno::Reference< linguistic2::XProofreader > GrammarCheckingIterator::GetGrammarChecker(
     435             :     const lang::Locale &rLocale )
     436             : {
     437             :     (void) rLocale;
     438           0 :     uno::Reference< linguistic2::XProofreader > xRes;
     439             : 
     440             :     // ---- THREAD SAFE START ----
     441           0 :     ::osl::Guard< ::osl::Mutex > aGuard( MyMutex::get() );
     442             : 
     443             :     // check supported locales for each grammarchecker if not already done
     444           0 :     if (!m_bGCServicesChecked)
     445             :     {
     446           0 :         GetConfiguredGCSvcs_Impl();
     447           0 :         m_bGCServicesChecked = true;
     448             :     }
     449             : 
     450           0 :     const LanguageType nLang = LanguageTag::convertToLanguageType( rLocale, false);
     451           0 :     GCImplNames_t::const_iterator aLangIt( m_aGCImplNamesByLang.find( nLang ) );
     452           0 :     if (aLangIt != m_aGCImplNamesByLang.end())  // matching configured language found?
     453             :     {
     454           0 :         OUString aSvcImplName( aLangIt->second );
     455           0 :         GCReferences_t::const_iterator aImplNameIt( m_aGCReferencesByService.find( aSvcImplName ) );
     456           0 :         if (aImplNameIt != m_aGCReferencesByService.end())  // matching impl name found?
     457             :         {
     458           0 :             xRes = aImplNameIt->second;
     459             :         }
     460             :         else    // the service is to be instatiated here for the first time...
     461             :         {
     462             :             try
     463             :             {
     464           0 :                 uno::Reference< uno::XComponentContext > xContext( comphelper::getProcessComponentContext() );
     465             :                 uno::Reference< linguistic2::XProofreader > xGC(
     466           0 :                         xContext->getServiceManager()->createInstanceWithContext(aSvcImplName, xContext),
     467           0 :                         uno::UNO_QUERY_THROW );
     468           0 :                 uno::Reference< linguistic2::XSupportedLocales > xSuppLoc( xGC, uno::UNO_QUERY_THROW );
     469             : 
     470           0 :                 if (xSuppLoc->hasLocale( rLocale ))
     471             :                 {
     472           0 :                     m_aGCReferencesByService[ aSvcImplName ] = xGC;
     473           0 :                     xRes = xGC;
     474             : 
     475           0 :                     uno::Reference< linguistic2::XLinguServiceEventBroadcaster > xBC( xGC, uno::UNO_QUERY );
     476           0 :                     if (xBC.is())
     477           0 :                         xBC->addLinguServiceEventListener( this );
     478             :                 }
     479             :                 else
     480             :                 {
     481             :                     DBG_ASSERT( false, "grammar checker does not support required locale" );
     482           0 :                 }
     483             :             }
     484           0 :             catch (uno::Exception &)
     485             :             {
     486             :                 DBG_ASSERT( false, "instantiating grammar checker failed" );
     487             :             }
     488           0 :         }
     489             :     }
     490             :     // ---- THREAD SAFE END ----
     491             : 
     492           0 :     return xRes;
     493             : }
     494             : 
     495             : static uno::Sequence<beans::PropertyValue>
     496           0 : lcl_makeProperties(uno::Reference<text::XFlatParagraph> const& xFlatPara)
     497             : {
     498           0 :     uno::Sequence<beans::PropertyValue> ret(2);
     499             :     uno::Reference<beans::XPropertySet> const xProps(
     500           0 :             xFlatPara, uno::UNO_QUERY_THROW);
     501           0 :     ret[0] = beans::PropertyValue("FieldPositions", -1,
     502           0 :         xProps->getPropertyValue("FieldPositions"),
     503           0 :         beans::PropertyState_DIRECT_VALUE);
     504           0 :     ret[1] = beans::PropertyValue("FootnotePositions", -1,
     505           0 :         xProps->getPropertyValue("FootnotePositions"),
     506           0 :         beans::PropertyState_DIRECT_VALUE);
     507           0 :     return ret;
     508             : }
     509             : 
     510           4 : void GrammarCheckingIterator::DequeueAndCheck()
     511             : {
     512             :     for (;;)
     513             :     {
     514             :         // ---- THREAD SAFE START ----
     515           4 :         bool bQueueEmpty = false;
     516             :         {
     517           4 :             ::osl::Guard< ::osl::Mutex > aGuard( MyMutex::get() );
     518           4 :             if (m_bEnd)
     519             :             {
     520           2 :                 break;
     521             :             }
     522           2 :             bQueueEmpty = m_aFPEntriesQueue.empty();
     523             :         }
     524             :         // ---- THREAD SAFE END ----
     525             : 
     526           2 :         if (!bQueueEmpty)
     527             :         {
     528           0 :             uno::Reference< text::XFlatParagraphIterator > xFPIterator;
     529           0 :             uno::Reference< text::XFlatParagraph > xFlatPara;
     530           0 :             FPEntry aFPEntryItem;
     531           0 :             OUString aCurDocId;
     532           0 :             bool bModified = false;
     533             :             // ---- THREAD SAFE START ----
     534             :             {
     535           0 :                 ::osl::Guard< ::osl::Mutex > aGuard( MyMutex::get() );
     536           0 :                 aFPEntryItem        = m_aFPEntriesQueue.front();
     537           0 :                 xFPIterator         = aFPEntryItem.m_xParaIterator;
     538           0 :                 xFlatPara           = aFPEntryItem.m_xPara;
     539           0 :                 m_aCurCheckedDocId  = aFPEntryItem.m_aDocId;
     540           0 :                 aCurDocId = m_aCurCheckedDocId;
     541             : 
     542           0 :                 m_aFPEntriesQueue.pop_front();
     543             :             }
     544             :             // ---- THREAD SAFE END ----
     545             : 
     546           0 :             if (xFlatPara.is() && xFPIterator.is())
     547             :             {
     548           0 :                 OUString aCurTxt( xFlatPara->getText() );
     549           0 :                 lang::Locale aCurLocale = lcl_GetPrimaryLanguageOfSentence( xFlatPara, aFPEntryItem.m_nStartIndex );
     550             : 
     551           0 :                 bModified = xFlatPara->isModified();
     552           0 :                 if (!bModified)
     553             :                 {
     554             :                     // ---- THREAD SAFE START ----
     555           0 :                     ::osl::ClearableGuard< ::osl::Mutex > aGuard( MyMutex::get() );
     556             : 
     557           0 :                     sal_Int32 nStartPos = aFPEntryItem.m_nStartIndex;
     558           0 :                     sal_Int32 nSuggestedEnd = GetSuggestedEndOfSentence( aCurTxt, nStartPos, aCurLocale );
     559             :                     DBG_ASSERT( (nSuggestedEnd == 0 && aCurTxt.isEmpty()) || nSuggestedEnd > nStartPos,
     560             :                             "nSuggestedEndOfSentencePos calculation failed?" );
     561             : 
     562           0 :                     linguistic2::ProofreadingResult aRes;
     563             : 
     564           0 :                     uno::Reference< linguistic2::XProofreader > xGC( GetGrammarChecker( aCurLocale ), uno::UNO_QUERY );
     565           0 :                     if (xGC.is())
     566             :                     {
     567           0 :                         aGuard.clear();
     568             :                         uno::Sequence<beans::PropertyValue> const aProps(
     569           0 :                                 lcl_makeProperties(xFlatPara));
     570           0 :                         aRes = xGC->doProofreading( aCurDocId, aCurTxt,
     571           0 :                                 aCurLocale, nStartPos, nSuggestedEnd, aProps );
     572             : 
     573             :                         //!! work-around to prevent looping if the grammar checker
     574             :                         //!! failed to properly identify the sentence end
     575           0 :                         if (
     576           0 :                             aRes.nBehindEndOfSentencePosition <= nStartPos &&
     577           0 :                             aRes.nBehindEndOfSentencePosition != nSuggestedEnd
     578             :                            )
     579             :                         {
     580             :                             DBG_ASSERT( false, "!! Grammarchecker failed to provide end of sentence !!" );
     581           0 :                             aRes.nBehindEndOfSentencePosition = nSuggestedEnd;
     582             :                         }
     583             : 
     584           0 :                         aRes.xFlatParagraph      = xFlatPara;
     585           0 :                         aRes.nStartOfSentencePosition = nStartPos;
     586             :                     }
     587             :                     else
     588             :                     {
     589             :                         // no grammar checker -> no error
     590             :                         // but we need to provide the data below in order to continue with the next sentence
     591           0 :                         aRes.aDocumentIdentifier = aCurDocId;
     592           0 :                         aRes.xFlatParagraph      = xFlatPara;
     593           0 :                         aRes.aText               = aCurTxt;
     594           0 :                         aRes.aLocale             = aCurLocale;
     595           0 :                         aRes.nStartOfSentencePosition       = nStartPos;
     596           0 :                         aRes.nBehindEndOfSentencePosition   = nSuggestedEnd;
     597             :                     }
     598           0 :                     aRes.nStartOfNextSentencePosition = lcl_SkipWhiteSpaces( aCurTxt, aRes.nBehindEndOfSentencePosition );
     599           0 :                     aRes.nBehindEndOfSentencePosition = lcl_BacktraceWhiteSpaces( aCurTxt, aRes.nStartOfNextSentencePosition );
     600             : 
     601             :                     //guard has to be cleared as ProcessResult calls out of this class
     602           0 :                     aGuard.clear();
     603           0 :                     ProcessResult( aRes, xFPIterator, aFPEntryItem.m_bAutomatic );
     604             :                     // ---- THREAD SAFE END ----
     605             :                 }
     606             :                 else
     607             :                 {
     608             :                     // the paragraph changed meanwhile... (and maybe is still edited)
     609             :                     // thus we simply continue to ask for the next to be checked.
     610           0 :                     uno::Reference< text::XFlatParagraph > xFlatParaNext( xFPIterator->getNextPara() );
     611           0 :                     AddEntry( xFPIterator, xFlatParaNext, aCurDocId, 0, aFPEntryItem.m_bAutomatic );
     612           0 :                 }
     613             :             }
     614             : 
     615             :             // ---- THREAD SAFE START ----
     616             :             {
     617           0 :                 ::osl::Guard< ::osl::Mutex > aGuard( MyMutex::get() );
     618           0 :                 m_aCurCheckedDocId  = OUString();
     619           0 :             }
     620             :             // ---- THREAD SAFE END ----
     621             :         }
     622             :         else
     623             :         {
     624             :             // ---- THREAD SAFE START ----
     625             :             {
     626           2 :                 ::osl::Guard< ::osl::Mutex > aGuard( MyMutex::get() );
     627           2 :                 if (m_bEnd)
     628             :                 {
     629           0 :                     break;
     630             :                 }
     631             :                 // Check queue state again
     632           2 :                 if (m_aFPEntriesQueue.empty())
     633           2 :                     m_aWakeUpThread.reset();
     634             :             }
     635             :             // ---- THREAD SAFE END ----
     636             : 
     637             :             //if the queue is empty
     638             :             // IMPORTANT: Don't call condition.wait() with locked
     639             :             // mutex. Otherwise you would keep out other threads
     640             :             // to add entries to the queue! A condition is thread-
     641             :             // safe implemented.
     642           2 :             m_aWakeUpThread.wait();
     643             :         }
     644           2 :     }
     645           2 : }
     646             : 
     647             : 
     648           0 : void SAL_CALL GrammarCheckingIterator::startProofreading(
     649             :     const uno::Reference< ::uno::XInterface > & xDoc,
     650             :     const uno::Reference< text::XFlatParagraphIteratorProvider > & xIteratorProvider )
     651             : throw (uno::RuntimeException, lang::IllegalArgumentException, std::exception)
     652             : {
     653             :     // get paragraph to start checking with
     654           0 :     const bool bAutomatic = true;
     655           0 :     uno::Reference<text::XFlatParagraphIterator> xFPIterator = xIteratorProvider->getFlatParagraphIterator(
     656           0 :             text::TextMarkupType::PROOFREADING, bAutomatic );
     657           0 :     uno::Reference< text::XFlatParagraph > xPara( xFPIterator.is()? xFPIterator->getFirstPara() : NULL );
     658           0 :     uno::Reference< lang::XComponent > xComponent( xDoc, uno::UNO_QUERY );
     659             : 
     660             :     // ---- THREAD SAFE START ----
     661           0 :     ::osl::Guard< ::osl::Mutex > aGuard( MyMutex::get() );
     662           0 :     if (xPara.is() && xComponent.is())
     663             :     {
     664           0 :         OUString aDocId = GetOrCreateDocId( xComponent );
     665             : 
     666             :         // create new entry and add it to queue
     667           0 :         AddEntry( xFPIterator, xPara, aDocId, 0, bAutomatic );
     668           0 :     }
     669             :     // ---- THREAD SAFE END ----
     670           0 : }
     671             : 
     672             : 
     673           0 : linguistic2::ProofreadingResult SAL_CALL GrammarCheckingIterator::checkSentenceAtPosition(
     674             :     const uno::Reference< uno::XInterface >& xDoc,
     675             :     const uno::Reference< text::XFlatParagraph >& xFlatPara,
     676             :     const OUString& rText,
     677             :     const lang::Locale& rLocale,
     678             :     sal_Int32 nStartOfSentencePos,
     679             :     sal_Int32 nSuggestedEndOfSentencePos,
     680             :     sal_Int32 nErrorPosInPara )
     681             : throw (lang::IllegalArgumentException, uno::RuntimeException, std::exception)
     682             : {
     683             :     (void) rLocale;
     684             : 
     685             :     // for the context menu...
     686             : 
     687           0 :     linguistic2::ProofreadingResult aRes;
     688             : 
     689           0 :     uno::Reference< lang::XComponent > xComponent( xDoc, uno::UNO_QUERY );
     690           0 :     if (xFlatPara.is() && xComponent.is() &&
     691           0 :         ( nErrorPosInPara < 0 || nErrorPosInPara < rText.getLength()))
     692             :     {
     693             :         // iterate through paragraph until we find the sentence we are interested in
     694           0 :         linguistic2::ProofreadingResult aTmpRes;
     695           0 :         sal_Int32 nStartPos = nStartOfSentencePos >= 0 ? nStartOfSentencePos : 0;
     696             : 
     697           0 :         bool bFound = false;
     698           0 :         do
     699             :         {
     700           0 :             lang::Locale aCurLocale = lcl_GetPrimaryLanguageOfSentence( xFlatPara, nStartPos );
     701           0 :             sal_Int32 nOldStartOfSentencePos = nStartPos;
     702           0 :             uno::Reference< linguistic2::XProofreader > xGC;
     703           0 :             OUString aDocId;
     704             : 
     705             :             // ---- THREAD SAFE START ----
     706             :             {
     707           0 :                 ::osl::ClearableGuard< ::osl::Mutex > aGuard( MyMutex::get() );
     708           0 :                 aDocId = GetOrCreateDocId( xComponent );
     709           0 :                 nSuggestedEndOfSentencePos = GetSuggestedEndOfSentence( rText, nStartPos, aCurLocale );
     710             :                 DBG_ASSERT( nSuggestedEndOfSentencePos > nStartPos, "nSuggestedEndOfSentencePos calculation failed?" );
     711             : 
     712           0 :                 xGC = GetGrammarChecker( aCurLocale );
     713             :             }
     714             :             // ---- THREAD SAFE START ----
     715           0 :             sal_Int32 nEndPos = -1;
     716           0 :             if (xGC.is())
     717             :             {
     718             :                 uno::Sequence<beans::PropertyValue> const aProps(
     719           0 :                         lcl_makeProperties(xFlatPara));
     720           0 :                 aTmpRes = xGC->doProofreading( aDocId, rText,
     721           0 :                     aCurLocale, nStartPos, nSuggestedEndOfSentencePos, aProps );
     722             : 
     723             :                 //!! work-around to prevent looping if the grammar checker
     724             :                 //!! failed to properly identify the sentence end
     725           0 :                 if (aTmpRes.nBehindEndOfSentencePosition <= nStartPos)
     726             :                 {
     727             :                     DBG_ASSERT( false, "!! Grammarchecker failed to provide end of sentence !!" );
     728           0 :                     aTmpRes.nBehindEndOfSentencePosition = nSuggestedEndOfSentencePos;
     729             :                 }
     730             : 
     731           0 :                 aTmpRes.xFlatParagraph           = xFlatPara;
     732           0 :                 aTmpRes.nStartOfSentencePosition = nStartPos;
     733           0 :                 nEndPos = aTmpRes.nBehindEndOfSentencePosition;
     734             : 
     735           0 :                 if ((nErrorPosInPara< 0 || nStartPos <= nErrorPosInPara) && nErrorPosInPara < nEndPos)
     736           0 :                     bFound = true;
     737             :             }
     738           0 :             if (nEndPos == -1) // no result from grammar checker
     739           0 :                 nEndPos = nSuggestedEndOfSentencePos;
     740           0 :             nStartPos = lcl_SkipWhiteSpaces( rText, nEndPos );
     741           0 :             aTmpRes.nBehindEndOfSentencePosition = nEndPos;
     742           0 :             aTmpRes.nStartOfNextSentencePosition = nStartPos;
     743           0 :             aTmpRes.nBehindEndOfSentencePosition = lcl_BacktraceWhiteSpaces( rText, aTmpRes.nStartOfNextSentencePosition );
     744             : 
     745             :             // prevent endless loop by forcefully advancing if needs be...
     746           0 :             if (nStartPos <= nOldStartOfSentencePos)
     747             :             {
     748             :                 DBG_ASSERT( false, "end-of-sentence detection failed?" );
     749           0 :                 nStartPos = nOldStartOfSentencePos + 1;
     750           0 :             }
     751             :         }
     752           0 :         while (!bFound && nStartPos < rText.getLength());
     753             : 
     754           0 :         if (bFound && !xFlatPara->isModified())
     755           0 :             aRes = aTmpRes;
     756             :     }
     757             : 
     758           0 :     return aRes;
     759             : }
     760             : 
     761             : 
     762           0 : sal_Int32 GrammarCheckingIterator::GetSuggestedEndOfSentence(
     763             :     const OUString &rText,
     764             :     sal_Int32 nSentenceStartPos,
     765             :     const lang::Locale &rLocale )
     766             : {
     767             :     // internal method; will always be called with locked mutex
     768             : 
     769           0 :     if (!m_xBreakIterator.is())
     770             :     {
     771           0 :         uno::Reference< uno::XComponentContext > xContext = ::comphelper::getProcessComponentContext();
     772           0 :         m_xBreakIterator = i18n::BreakIterator::create(xContext);
     773             :     }
     774           0 :     sal_Int32 nTextLen = rText.getLength();
     775           0 :     sal_Int32 nEndPosition(0);
     776           0 :     sal_Int32 nTmpStartPos = nSentenceStartPos;
     777           0 :     do
     778             :     {
     779           0 :         sal_Int32 const nPrevEndPosition(nEndPosition);
     780           0 :         nEndPosition = nTextLen;
     781           0 :         if (nTmpStartPos < nTextLen)
     782             :         {
     783           0 :             nEndPosition = m_xBreakIterator->endOfSentence( rText, nTmpStartPos, rLocale );
     784           0 :             if (nEndPosition <= nPrevEndPosition)
     785             :             {
     786             :                 // fdo#68750 if there's no progress at all then presumably
     787             :                 // there's no end of sentence in this paragraph so just
     788             :                 // set the end position to end of paragraph
     789           0 :                 nEndPosition = nTextLen;
     790             :             }
     791             :         }
     792           0 :         if (nEndPosition < 0)
     793           0 :             nEndPosition = nTextLen;
     794             : 
     795           0 :         ++nTmpStartPos;
     796             :     }
     797           0 :     while (nEndPosition <= nSentenceStartPos && nEndPosition < nTextLen);
     798           0 :     if (nEndPosition > nTextLen)
     799           0 :         nEndPosition = nTextLen;
     800           0 :     return nEndPosition;
     801             : }
     802             : 
     803             : 
     804           0 : void SAL_CALL GrammarCheckingIterator::resetIgnoreRules(  )
     805             : throw (uno::RuntimeException, std::exception)
     806             : {
     807           0 :     GCReferences_t::iterator aIt( m_aGCReferencesByService.begin() );
     808           0 :     while (aIt != m_aGCReferencesByService.end())
     809             :     {
     810           0 :         uno::Reference< linguistic2::XProofreader > xGC( aIt->second );
     811           0 :         if (xGC.is())
     812           0 :             xGC->resetIgnoreRules();
     813           0 :         ++aIt;
     814           0 :     }
     815           0 : }
     816             : 
     817             : 
     818           0 : sal_Bool SAL_CALL GrammarCheckingIterator::isProofreading(
     819             :     const uno::Reference< uno::XInterface >& xDoc )
     820             : throw (uno::RuntimeException, std::exception)
     821             : {
     822             :     // ---- THREAD SAFE START ----
     823           0 :     ::osl::Guard< ::osl::Mutex > aGuard( MyMutex::get() );
     824             : 
     825           0 :     bool bRes = false;
     826             : 
     827           0 :     uno::Reference< lang::XComponent > xComponent( xDoc, uno::UNO_QUERY );
     828           0 :     if (xComponent.is())
     829             :     {
     830             :         // if the component was already used in one of the two calls to check text
     831             :         // i.e. in startGrammarChecking or checkGrammarAtPos it will be found in the
     832             :         // m_aDocIdMap unless the document already disposed.
     833             :         // If it is not found then it is not yet being checked (or requested to being checked)
     834           0 :         const DocMap_t::const_iterator aIt( m_aDocIdMap.find( xComponent.get() ) );
     835           0 :         if (aIt != m_aDocIdMap.end())
     836             :         {
     837             :             // check in document is checked automatically in the background...
     838           0 :             OUString aDocId = aIt->second;
     839           0 :             if (!m_aCurCheckedDocId.isEmpty() && m_aCurCheckedDocId == aDocId)
     840             :             {
     841             :                 // an entry for that document was dequed and is currently being checked.
     842           0 :                 bRes = true;
     843             :             }
     844             :             else
     845             :             {
     846             :                 // we need to check if there is an entry for that document in the queue...
     847             :                 // That is the document is going to be checked sooner or later.
     848             : 
     849           0 :                 sal_Int32 nSize = m_aFPEntriesQueue.size();
     850           0 :                 for (sal_Int32 i = 0; i < nSize && !bRes; ++i)
     851             :                 {
     852           0 :                     if (aDocId == m_aFPEntriesQueue[i].m_aDocId)
     853           0 :                         bRes = true;
     854             :                 }
     855           0 :             }
     856             :         }
     857             :     }
     858             :     // ---- THREAD SAFE END ----
     859             : 
     860           0 :     return bRes;
     861             : }
     862             : 
     863             : 
     864           0 : void SAL_CALL GrammarCheckingIterator::processLinguServiceEvent(
     865             :     const linguistic2::LinguServiceEvent& rLngSvcEvent )
     866             : throw (uno::RuntimeException, std::exception)
     867             : {
     868           0 :     if (rLngSvcEvent.nEvent == linguistic2::LinguServiceEventFlags::PROOFREAD_AGAIN)
     869             :     {
     870             :         try
     871             :         {
     872           0 :              uno::Reference< uno::XInterface > xThis( static_cast< OWeakObject * >(this) );
     873           0 :              linguistic2::LinguServiceEvent aEvent( xThis, linguistic2::LinguServiceEventFlags::PROOFREAD_AGAIN );
     874             :              m_aNotifyListeners.notifyEach(
     875             :                     &linguistic2::XLinguServiceEventListener::processLinguServiceEvent,
     876           0 :                     aEvent);
     877             :         }
     878           0 :         catch (uno::RuntimeException &)
     879             :         {
     880           0 :              throw;
     881             :         }
     882           0 :         catch (const ::uno::Exception &rE)
     883             :         {
     884             :             // ignore
     885             :             SAL_WARN("linguistic", "processLinguServiceEvent: exception: " << rE.Message);
     886             :         }
     887             :     }
     888           0 : }
     889             : 
     890             : 
     891           0 : sal_Bool SAL_CALL GrammarCheckingIterator::addLinguServiceEventListener(
     892             :     const uno::Reference< linguistic2::XLinguServiceEventListener >& xListener )
     893             : throw (uno::RuntimeException, std::exception)
     894             : {
     895           0 :     if (xListener.is())
     896             :     {
     897           0 :         m_aNotifyListeners.addInterface( xListener );
     898             :     }
     899           0 :     return sal_True;
     900             : }
     901             : 
     902             : 
     903           0 : sal_Bool SAL_CALL GrammarCheckingIterator::removeLinguServiceEventListener(
     904             :     const uno::Reference< linguistic2::XLinguServiceEventListener >& xListener )
     905             : throw (uno::RuntimeException, std::exception)
     906             : {
     907           0 :     if (xListener.is())
     908             :     {
     909           0 :         m_aNotifyListeners.removeInterface( xListener );
     910             :     }
     911           0 :     return sal_True;
     912             : }
     913             : 
     914             : 
     915           4 : void SAL_CALL GrammarCheckingIterator::dispose()
     916             : throw (uno::RuntimeException, std::exception)
     917             : {
     918           4 :     lang::EventObject aEvt( (linguistic2::XProofreadingIterator *) this );
     919           4 :     m_aEventListeners.disposeAndClear( aEvt );
     920             : 
     921           4 :     TerminateThread();
     922             : 
     923             :     // ---- THREAD SAFE START ----
     924             :     {
     925           4 :         ::osl::Guard< ::osl::Mutex > aGuard( MyMutex::get() );
     926             : 
     927             :         // releaase all UNO references
     928             : 
     929           4 :         m_xBreakIterator.clear();
     930             : 
     931             :         // clear containers with UNO references AND have those references released
     932           8 :         GCReferences_t  aTmpEmpty1;
     933           8 :         DocMap_t        aTmpEmpty2;
     934           8 :         FPQueue_t       aTmpEmpty3;
     935           4 :         m_aGCReferencesByService.swap( aTmpEmpty1 );
     936           4 :         m_aDocIdMap.swap( aTmpEmpty2 );
     937           8 :         m_aFPEntriesQueue.swap( aTmpEmpty3 );
     938           4 :     }
     939             :     // ---- THREAD SAFE END ----
     940           4 : }
     941             : 
     942             : 
     943           0 : void SAL_CALL GrammarCheckingIterator::addEventListener(
     944             :     const uno::Reference< lang::XEventListener >& xListener )
     945             : throw (uno::RuntimeException, std::exception)
     946             : {
     947           0 :     if (xListener.is())
     948             :     {
     949           0 :         m_aEventListeners.addInterface( xListener );
     950             :     }
     951           0 : }
     952             : 
     953             : 
     954           0 : void SAL_CALL GrammarCheckingIterator::removeEventListener(
     955             :     const uno::Reference< lang::XEventListener >& xListener )
     956             : throw (uno::RuntimeException, std::exception)
     957             : {
     958           0 :     if (xListener.is())
     959             :     {
     960           0 :         m_aEventListeners.removeInterface( xListener );
     961             :     }
     962           0 : }
     963             : 
     964             : 
     965           0 : void SAL_CALL GrammarCheckingIterator::disposing( const lang::EventObject &rSource )
     966             : throw (uno::RuntimeException, std::exception)
     967             : {
     968             :     // if the component (document) is disposing release all references
     969             :     //!! There is no need to remove entries from the queue that are from this document
     970             :     //!! since the respectives xFlatParagraphs should become invalid (isModified() == true)
     971             :     //!! and the call to xFlatParagraphIterator->getNextPara() will result in an empty reference.
     972             :     //!! And if an entry is currently checked by a grammar checker upon return the results
     973             :     //!! should be ignored.
     974             :     //!! Also GetOrCreateDocId will not use that very same Id again...
     975             :     //!! All of the above resulting in that we only have to get rid of the implementation pointer here.
     976           0 :     uno::Reference< lang::XComponent > xDoc( rSource.Source, uno::UNO_QUERY );
     977           0 :     if (xDoc.is())
     978             :     {
     979             :         // ---- THREAD SAFE START ----
     980           0 :         ::osl::Guard< ::osl::Mutex > aGuard( MyMutex::get() );
     981           0 :         m_aDocIdMap.erase( xDoc.get() );
     982             :         // ---- THREAD SAFE END ----
     983           0 :     }
     984           0 : }
     985             : 
     986             : 
     987           0 : uno::Reference< util::XChangesBatch > GrammarCheckingIterator::GetUpdateAccess() const
     988             : {
     989           0 :     if (!m_xUpdateAccess.is())
     990             :     {
     991             :         try
     992             :         {
     993             :             // get configuration provider
     994           0 :             uno::Reference< uno::XComponentContext > xContext = comphelper::getProcessComponentContext();
     995             :             uno::Reference< lang::XMultiServiceFactory > xConfigurationProvider =
     996           0 :                     configuration::theDefaultProvider::get( xContext );
     997             : 
     998             :             // get configuration update access
     999           0 :             beans::PropertyValue aValue;
    1000           0 :             aValue.Name  = "nodepath";
    1001           0 :             aValue.Value = uno::makeAny( OUString("org.openoffice.Office.Linguistic/ServiceManager") );
    1002           0 :             uno::Sequence< uno::Any > aProps(1);
    1003           0 :             aProps[0] <<= aValue;
    1004           0 :             m_xUpdateAccess = uno::Reference< util::XChangesBatch >(
    1005           0 :                     xConfigurationProvider->createInstanceWithArguments(
    1006           0 :                         "com.sun.star.configuration.ConfigurationUpdateAccess", aProps ),
    1007           0 :                         uno::UNO_QUERY_THROW );
    1008             :         }
    1009           0 :         catch (uno::Exception &)
    1010             :         {
    1011             :         }
    1012             :     }
    1013             : 
    1014           0 :     return m_xUpdateAccess;
    1015             : }
    1016             : 
    1017             : 
    1018           0 : void GrammarCheckingIterator::GetConfiguredGCSvcs_Impl()
    1019             : {
    1020           0 :     GCImplNames_t   aTmpGCImplNamesByLang;
    1021             : 
    1022             :     try
    1023             :     {
    1024             :         // get node names (locale iso strings) for configured grammar checkers
    1025           0 :         uno::Reference< container::XNameAccess > xNA( GetUpdateAccess(), uno::UNO_QUERY_THROW );
    1026           0 :         xNA.set( xNA->getByName( "GrammarCheckerList" ), uno::UNO_QUERY_THROW );
    1027           0 :         const uno::Sequence< OUString > aElementNames( xNA->getElementNames() );
    1028           0 :         const OUString *pElementNames = aElementNames.getConstArray();
    1029             : 
    1030           0 :         sal_Int32 nLen = aElementNames.getLength();
    1031           0 :         for (sal_Int32 i = 0;  i < nLen;  ++i)
    1032             :         {
    1033           0 :             uno::Sequence< OUString > aImplNames;
    1034           0 :             uno::Any aTmp( xNA->getByName( pElementNames[i] ) );
    1035           0 :             if (aTmp >>= aImplNames)
    1036             :             {
    1037           0 :                 if (aImplNames.getLength() > 0)
    1038             :                 {
    1039             :                     // only the first entry is used, there should be only one grammar checker per language
    1040           0 :                     const OUString aImplName( aImplNames[0] );
    1041           0 :                     const LanguageType nLang = LanguageTag::convertToLanguageTypeWithFallback( pElementNames[i] );
    1042           0 :                     aTmpGCImplNamesByLang[ nLang ] = aImplName;
    1043             :                 }
    1044             :             }
    1045             :             else
    1046             :             {
    1047             :                 DBG_ASSERT( false, "failed to get aImplNames. Wrong type?" );
    1048             :             }
    1049           0 :         }
    1050             :     }
    1051           0 :     catch (uno::Exception &)
    1052             :     {
    1053             :         DBG_ASSERT( false, "exception caught. Failed to get configured services" );
    1054             :     }
    1055             : 
    1056             :     {
    1057             :         // ---- THREAD SAFE START ----
    1058           0 :         ::osl::Guard< ::osl::Mutex > aGuard( MyMutex::get() );
    1059           0 :         m_aGCImplNamesByLang     = aTmpGCImplNamesByLang;
    1060             :         // ---- THREAD SAFE END ----
    1061           0 :     }
    1062           0 : }
    1063             : 
    1064             : 
    1065             : 
    1066             : 
    1067           0 : sal_Bool SAL_CALL GrammarCheckingIterator::supportsService(
    1068             :     const OUString & rServiceName )
    1069             : throw(uno::RuntimeException, std::exception)
    1070             : {
    1071           0 :     return cppu::supportsService(this, rServiceName);
    1072             : }
    1073             : 
    1074             : 
    1075           0 : OUString SAL_CALL GrammarCheckingIterator::getImplementationName(  ) throw (uno::RuntimeException, std::exception)
    1076             : {
    1077           0 :     return GrammarCheckingIterator_getImplementationName();
    1078             : }
    1079             : 
    1080             : 
    1081           0 : uno::Sequence< OUString > SAL_CALL GrammarCheckingIterator::getSupportedServiceNames(  ) throw (uno::RuntimeException, std::exception)
    1082             : {
    1083           0 :     return GrammarCheckingIterator_getSupportedServiceNames();
    1084             : }
    1085             : 
    1086             : 
    1087           0 : void GrammarCheckingIterator::SetServiceList(
    1088             :     const lang::Locale &rLocale,
    1089             :     const uno::Sequence< OUString > &rSvcImplNames )
    1090             : {
    1091           0 :     ::osl::Guard< ::osl::Mutex > aGuard( MyMutex::get() );
    1092             : 
    1093           0 :     LanguageType nLanguage = LinguLocaleToLanguage( rLocale );
    1094           0 :     OUString aImplName;
    1095           0 :     if (rSvcImplNames.getLength() > 0)
    1096           0 :         aImplName = rSvcImplNames[0];   // there is only one grammar checker per language
    1097             : 
    1098           0 :     if (!LinguIsUnspecified(nLanguage) && nLanguage != LANGUAGE_DONTKNOW)
    1099             :     {
    1100           0 :         if (!aImplName.isEmpty())
    1101           0 :             m_aGCImplNamesByLang[ nLanguage ] = aImplName;
    1102             :         else
    1103           0 :             m_aGCImplNamesByLang.erase( nLanguage );
    1104           0 :     }
    1105           0 : }
    1106             : 
    1107             : 
    1108           0 : uno::Sequence< OUString > GrammarCheckingIterator::GetServiceList(
    1109             :     const lang::Locale &rLocale ) const
    1110             : {
    1111           0 :     ::osl::Guard< ::osl::Mutex > aGuard( MyMutex::get() );
    1112             : 
    1113           0 :     uno::Sequence< OUString > aRes(1);
    1114             : 
    1115           0 :     OUString aImplName;     // there is only one grammar checker per language
    1116           0 :     LanguageType nLang  = LinguLocaleToLanguage( rLocale );
    1117           0 :     GCImplNames_t::const_iterator aIt( m_aGCImplNamesByLang.find( nLang ) );
    1118           0 :     if (aIt != m_aGCImplNamesByLang.end())
    1119           0 :         aImplName = aIt->second;
    1120             : 
    1121           0 :     if (!aImplName.isEmpty())
    1122           0 :         aRes[0] = aImplName;
    1123             :     else
    1124           0 :         aRes.realloc(0);
    1125             : 
    1126           0 :     return aRes;
    1127             : }
    1128             : 
    1129             : 
    1130           0 : LinguDispatcher::DspType GrammarCheckingIterator::GetDspType() const
    1131             : {
    1132           0 :     return DSP_GRAMMAR;
    1133             : }
    1134             : 
    1135             : 
    1136             : 
    1137             : 
    1138           4 : static OUString GrammarCheckingIterator_getImplementationName() throw()
    1139             : {
    1140           4 :     return OUString( "com.sun.star.lingu2.ProofreadingIterator" );
    1141             : }
    1142             : 
    1143             : 
    1144           2 : static uno::Sequence< OUString > GrammarCheckingIterator_getSupportedServiceNames() throw()
    1145             : {
    1146           2 :     uno::Sequence< OUString > aSNS( 1 );
    1147           2 :     aSNS[0] = "com.sun.star.linguistic2.ProofreadingIterator";
    1148           2 :     return aSNS;
    1149             : }
    1150             : 
    1151             : 
    1152           2 : static uno::Reference< uno::XInterface > SAL_CALL GrammarCheckingIterator_createInstance(
    1153             :     const uno::Reference< lang::XMultiServiceFactory > & /*rxSMgr*/ )
    1154             : throw(uno::Exception)
    1155             : {
    1156           2 :     return static_cast< ::cppu::OWeakObject * >(new GrammarCheckingIterator());
    1157             : }
    1158             : 
    1159             : 
    1160           2 : void * SAL_CALL GrammarCheckingIterator_getFactory(
    1161             :     const sal_Char *pImplName,
    1162             :     lang::XMultiServiceFactory *pServiceManager,
    1163             :     void * /*pRegistryKey*/ )
    1164             : {
    1165           2 :     void * pRet = 0;
    1166           2 :     if ( GrammarCheckingIterator_getImplementationName().equalsAscii( pImplName ) )
    1167             :     {
    1168             :         uno::Reference< lang::XSingleServiceFactory > xFactory =
    1169             :             cppu::createOneInstanceFactory(
    1170             :                 pServiceManager,
    1171             :                 GrammarCheckingIterator_getImplementationName(),
    1172             :                 GrammarCheckingIterator_createInstance,
    1173           2 :                 GrammarCheckingIterator_getSupportedServiceNames());
    1174             :         // acquire, because we return an interface pointer instead of a reference
    1175           2 :         xFactory->acquire();
    1176           2 :         pRet = xFactory.get();
    1177             :     }
    1178           2 :     return pRet;
    1179             : }
    1180             : 
    1181             : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */

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