xref: /AOO41X/main/lingucomponent/source/spellcheck/spell/sspellimp.cxx (revision 626e624c128f1faec44d18081e6f415e4f6877c8)
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21 
22 
23 
24 // MARKER(update_precomp.py): autogen include statement, do not remove
25 #include "precompiled_lingucomponent.hxx"
26 
27 #include <com/sun/star/uno/Reference.h>
28 #include <com/sun/star/linguistic2/XSearchableDictionaryList.hpp>
29 
30 #include <com/sun/star/linguistic2/SpellFailure.hpp>
31 #include <cppuhelper/factory.hxx>	// helper for factories
32 #include <com/sun/star/registry/XRegistryKey.hpp>
33 #include <tools/debug.hxx>
34 #include <unotools/processfactory.hxx>
35 #include <osl/mutex.hxx>
36 #include <com/sun/star/ucb/XSimpleFileAccess.hpp>
37 
38 #include <lingutil.hxx>
39 #include <hunspell.hxx>
40 #include <sspellimp.hxx>
41 
42 #include <linguistic/lngprops.hxx>
43 #include <linguistic/spelldta.hxx>
44 #include <i18npool/mslangid.hxx>
45 #include <unotools/pathoptions.hxx>
46 #include <unotools/lingucfg.hxx>
47 #include <unotools/useroptions.hxx>
48 #include <osl/file.hxx>
49 #include <rtl/ustrbuf.hxx>
50 #include <rtl/textenc.h>
51 
52 #include <list>
53 #include <set>
54 #include <string.h>
55 
56 using namespace utl;
57 using namespace osl;
58 using namespace rtl;
59 using namespace com::sun::star;
60 using namespace com::sun::star::beans;
61 using namespace com::sun::star::lang;
62 using namespace com::sun::star::uno;
63 using namespace com::sun::star::linguistic2;
64 using namespace linguistic;
65 
66 // XML-header of SPELLML queries
67 #define SPELLML_HEADER "<?xml?>"
68 
69 ///////////////////////////////////////////////////////////////////////////
70 
71 SpellChecker::SpellChecker() :
72 	aEvtListeners	( GetLinguMutex() )
73 {
74     aDicts = NULL;
75 	aDEncs = NULL;
76 	aDLocs = NULL;
77 	aDNames = NULL;
78 	bDisposing = sal_False;
79 	pPropHelper = NULL;
80     numdict = 0;
81 }
82 
83 
84 SpellChecker::~SpellChecker()
85 {
86     if (aDicts)
87     {
88        for (int i = 0; i < numdict; i++)
89        {
90             if (aDicts[i]) delete aDicts[i];
91             aDicts[i] = NULL;
92        }
93        delete[] aDicts;
94     }
95     aDicts = NULL;
96     numdict = 0;
97     if (aDEncs) delete[] aDEncs;
98     aDEncs = NULL;
99     if (aDLocs) delete[] aDLocs;
100     aDLocs = NULL;
101     if (aDNames) delete[] aDNames;
102     aDNames = NULL;
103     if (pPropHelper)
104         pPropHelper->RemoveAsPropListener();
105 }
106 
107 
108 PropertyHelper_Spell & SpellChecker::GetPropHelper_Impl()
109 {
110 	if (!pPropHelper)
111 	{
112 		Reference< XPropertySet	>	xPropSet( GetLinguProperties(), UNO_QUERY );
113 
114 		pPropHelper	= new PropertyHelper_Spell( (XSpellChecker *) this, xPropSet );
115 		xPropHelper = pPropHelper;
116 		pPropHelper->AddAsPropListener();	//! after a reference is established
117 	}
118 	return *pPropHelper;
119 }
120 
121 
122 Sequence< Locale > SAL_CALL SpellChecker::getLocales()
123 		throw(RuntimeException)
124 {
125     MutexGuard  aGuard( GetLinguMutex() );
126 
127     // this routine should return the locales supported by the installed
128     // dictionaries.
129 
130     if (!numdict)
131     {
132         SvtLinguConfig aLinguCfg;
133 
134         // get list of extension dictionaries-to-use
135 		// (or better speaking: the list of dictionaries using the
136 		// new configuration entries).
137         std::list< SvtLinguConfigDictionaryEntry > aDics;
138         uno::Sequence< rtl::OUString > aFormatList;
139         aLinguCfg.GetSupportedDictionaryFormatsFor( A2OU("SpellCheckers"),
140                 A2OU("org.openoffice.lingu.MySpellSpellChecker"), aFormatList );
141         sal_Int32 nLen = aFormatList.getLength();
142         for (sal_Int32 i = 0;  i < nLen;  ++i)
143         {
144             std::vector< SvtLinguConfigDictionaryEntry > aTmpDic(
145                     aLinguCfg.GetActiveDictionariesByFormat( aFormatList[i] ) );
146             aDics.insert( aDics.end(), aTmpDic.begin(), aTmpDic.end() );
147         }
148 
149         //!! for compatibility with old dictionaries (the ones not using extensions
150         //!! or new configuration entries, but still using the dictionary.lst file)
151 		//!! Get the list of old style spell checking dictionaries to use...
152         std::vector< SvtLinguConfigDictionaryEntry > aOldStyleDics(
153 				GetOldStyleDics( "DICT" ) );
154 
155 		// to prefer dictionaries with configuration entries we will only
156 		// use those old style dictionaries that add a language that
157 		// is not yet supported by the list od new style dictionaries
158 		MergeNewStyleDicsAndOldStyleDics( aDics, aOldStyleDics );
159 
160         numdict = aDics.size();
161         if (numdict)
162         {
163             uno::Reference< lang::XMultiServiceFactory > xServiceFactory( utl::getProcessServiceFactory() );
164             uno::Reference< ucb::XSimpleFileAccess > xAccess;
165             try
166             {
167                 xAccess.set( xServiceFactory->createInstance(
168                         A2OU( "com.sun.star.ucb.SimpleFileAccess" ) ), uno::UNO_QUERY_THROW );
169             }
170             catch (uno::Exception & e)
171             {
172                 DBG_ASSERT( 0, "failed to get input stream" );
173                 (void) e;
174             }
175             // get supported locales from the dictionaries-to-use...
176             sal_Int32 k = 0;
177             std::set< rtl::OUString, lt_rtl_OUString > aLocaleNamesSet;
178             std::list< SvtLinguConfigDictionaryEntry >::const_iterator aDictIt;
179             for (aDictIt = aDics.begin();  aDictIt != aDics.end();  ++aDictIt)
180             {
181                 uno::Sequence< rtl::OUString > aLocaleNames( aDictIt->aLocaleNames );
182                 uno::Sequence< rtl::OUString > aLocations( aDictIt->aLocations );
183                 sal_Int32 nLen2 = aLocaleNames.getLength();
184                 for (k = 0;  k < nLen2;  ++k)
185                 {
186                     if (xAccess.is() && xAccess->exists(aLocations[k]))
187                     {
188                         aLocaleNamesSet.insert( aLocaleNames[k] );
189                     }
190                 }
191             }
192             // ... and add them to the resulting sequence
193             aSuppLocales.realloc( aLocaleNamesSet.size() );
194             std::set< rtl::OUString, lt_rtl_OUString >::const_iterator aItB;
195             k = 0;
196             for (aItB = aLocaleNamesSet.begin();  aItB != aLocaleNamesSet.end();  ++aItB)
197             {
198 				Locale aTmp( MsLangId::convertLanguageToLocale(
199 						MsLangId::convertIsoStringToLanguage( *aItB )));
200                 aSuppLocales[k++] = aTmp;
201             }
202 
203             //! For each dictionary and each locale we need a seperate entry.
204             //! If this results in more than one dictionary per locale than (for now)
205 			//! it is undefined which dictionary gets used.
206 			//! In the future the implementation should support using several dictionaries
207 			//! for one locale.
208 			numdict = 0;
209             for (aDictIt = aDics.begin();  aDictIt != aDics.end();  ++aDictIt)
210 				numdict = numdict + aDictIt->aLocaleNames.getLength();
211 
212             // add dictionary information
213             aDicts  = new Hunspell* [numdict];
214             aDEncs  = new rtl_TextEncoding [numdict];
215             aDLocs  = new Locale [numdict];
216             aDNames = new OUString [numdict];
217             k = 0;
218             for (aDictIt = aDics.begin();  aDictIt != aDics.end();  ++aDictIt)
219             {
220                 if (aDictIt->aLocaleNames.getLength() > 0 &&
221                     aDictIt->aLocations.getLength() > 0)
222                 {
223                     uno::Sequence< rtl::OUString > aLocaleNames( aDictIt->aLocaleNames );
224                     sal_Int32 nLocales = aLocaleNames.getLength();
225 
226                     // currently only one language per dictionary is supported in the actual implementation...
227                     // Thus here we work-around this by adding the same dictionary several times.
228                     // Once for each of it's supported locales.
229                     for (sal_Int32 i = 0;  i < nLocales;  ++i)
230                     {
231                         aDicts[k]  = NULL;
232                         aDEncs[k]  = RTL_TEXTENCODING_DONTKNOW;
233                         aDLocs[k]  = MsLangId::convertLanguageToLocale(
234                                         MsLangId::convertIsoStringToLanguage( aLocaleNames[i] ));
235                         // also both files have to be in the same directory and the
236                         // file names must only differ in the extension (.aff/.dic).
237                         // Thus we use the first location only and strip the extension part.
238                         rtl::OUString aLocation = aDictIt->aLocations[0];
239                         sal_Int32 nPos = aLocation.lastIndexOf( '.' );
240                         aLocation = aLocation.copy( 0, nPos );
241                         aDNames[k] = aLocation;
242 
243                         ++k;
244                     }
245                 }
246             }
247             DBG_ASSERT( k == numdict, "index mismatch?" );
248         }
249         else
250         {
251             /* no dictionary found so register no dictionaries */
252             numdict = 0;
253             aDicts  = NULL;
254             aDEncs  = NULL;
255             aDLocs  = NULL;
256             aDNames = NULL;
257             aSuppLocales.realloc(0);
258         }
259     }
260 
261 	return aSuppLocales;
262 }
263 
264 
265 sal_Bool SAL_CALL SpellChecker::hasLocale(const Locale& rLocale)
266 		throw(RuntimeException)
267 {
268 	MutexGuard	aGuard( GetLinguMutex() );
269 
270 	sal_Bool bRes = sal_False;
271 	if (!aSuppLocales.getLength())
272 		getLocales();
273 
274 	sal_Int32 nLen = aSuppLocales.getLength();
275 	for (sal_Int32 i = 0;  i < nLen;  ++i)
276 	{
277 		const Locale *pLocale = aSuppLocales.getConstArray();
278 		if (rLocale == pLocale[i])
279 		{
280 			bRes = sal_True;
281 			break;
282 		}
283 	}
284 	return bRes;
285 }
286 
287 
288 sal_Int16 SpellChecker::GetSpellFailure( const OUString &rWord, const Locale &rLocale )
289 {
290     Hunspell * pMS = NULL;
291     rtl_TextEncoding eEnc = RTL_TEXTENCODING_DONTKNOW;
292 
293 	// initialize a myspell object for each dictionary once
294     // (note: mutex is held higher up in isValid)
295 
296 	sal_Int16 nRes = -1;
297 
298     // first handle smart quotes both single and double
299 	OUStringBuffer rBuf(rWord);
300     sal_Int32 n = rBuf.getLength();
301     sal_Unicode c;
302     for (sal_Int32 ix=0; ix < n; ix++)
303     {
304 	    c = rBuf.charAt(ix);
305         if ((c == 0x201C) || (c == 0x201D))
306             rBuf.setCharAt(ix,(sal_Unicode)0x0022);
307         if ((c == 0x2018) || (c == 0x2019))
308             rBuf.setCharAt(ix,(sal_Unicode)0x0027);
309     }
310     OUString nWord(rBuf.makeStringAndClear());
311 
312 	if (n)
313 	{
314         for (sal_Int32 i = 0; i < numdict; ++i)
315         {
316             pMS = NULL;
317             eEnc = RTL_TEXTENCODING_DONTKNOW;
318 
319             if (rLocale == aDLocs[i])
320             {
321                 if (!aDicts[i])
322                 {
323                     OUString dicpath = aDNames[i] + A2OU(".dic");
324                     OUString affpath = aDNames[i] + A2OU(".aff");
325                     OUString dict;
326                     OUString aff;
327                     osl::FileBase::getSystemPathFromFileURL(dicpath,dict);
328                     osl::FileBase::getSystemPathFromFileURL(affpath,aff);
329                     OString aTmpaff(OU2ENC(aff,osl_getThreadTextEncoding()));
330                     OString aTmpdict(OU2ENC(dict,osl_getThreadTextEncoding()));
331 
332 #if defined(WNT)
333                     // workaround for Windows specifc problem that the
334                     // path length in calls to 'fopen' is limted to somewhat
335                     // about 120+ characters which will usually be exceed when
336                     // using dictionaries as extensions.
337                     aTmpaff = Win_GetShortPathName( aff );
338                     aTmpdict = Win_GetShortPathName( dict );
339 #endif
340 
341                     aDicts[i] = new Hunspell(aTmpaff.getStr(),aTmpdict.getStr());
342                     aDEncs[i] = RTL_TEXTENCODING_DONTKNOW;
343                     if (aDicts[i])
344                         aDEncs[i] = getTextEncodingFromCharset(aDicts[i]->get_dic_encoding());
345                 }
346                 pMS = aDicts[i];
347                 eEnc = aDEncs[i];
348             }
349 
350             if (pMS)
351             {
352                 // we don't want to work with a default text encoding since following incorrect
353                 // results may occur only for specific text and thus may be hard to notice.
354                 // Thus better always make a clean exit here if the text encoding is in question.
355                 // Hopefully something not working at all will raise proper attention quickly. ;-)
356                 DBG_ASSERT( eEnc != RTL_TEXTENCODING_DONTKNOW, "failed to get text encoding! (maybe incorrect encoding string in file)" );
357                 if (eEnc == RTL_TEXTENCODING_DONTKNOW)
358                     return -1;
359 
360                 OString aWrd(OU2ENC(nWord,eEnc));
361                 int rVal = pMS->spell((char*)aWrd.getStr());
362                 if (rVal != 1)
363                     nRes = SpellFailure::SPELLING_ERROR;
364                 else
365                     return -1;
366                 pMS = NULL;
367             }
368         }
369 	}
370 
371 	return nRes;
372 }
373 
374 
375 sal_Bool SAL_CALL SpellChecker::isValid( const OUString& rWord, const Locale& rLocale,
376 			const PropertyValues& rProperties )
377 		throw(IllegalArgumentException, RuntimeException)
378 {
379 	MutexGuard	aGuard( GetLinguMutex() );
380 
381  	if (rLocale == Locale()  ||  !rWord.getLength())
382 		return sal_True;
383 
384 	if (!hasLocale( rLocale ))
385 #ifdef LINGU_EXCEPTIONS
386 		throw( IllegalArgumentException() );
387 #else
388 		return sal_True;
389 #endif
390 
391 	// return sal_False to process SPELLML requests (they are longer than the header)
392 	if (rWord.match(A2OU(SPELLML_HEADER), 0) && (rWord.getLength() > 10)) return sal_False;
393 
394 	// Get property values to be used.
395 	// These are be the default values set in the SN_LINGU_PROPERTIES
396 	// PropertySet which are overridden by the supplied ones from the
397 	// last argument.
398 	// You'll probably like to use a simplier solution than the provided
399 	// one using the PropertyHelper_Spell.
400 
401 	PropertyHelper_Spell &rHelper = GetPropHelper();
402 	rHelper.SetTmpPropVals( rProperties );
403 
404 	sal_Int16 nFailure = GetSpellFailure( rWord, rLocale );
405 	if (nFailure != -1 && !rWord.match(A2OU(SPELLML_HEADER), 0))
406 	{
407 		sal_Int16 nLang = LocaleToLanguage( rLocale );
408 		// postprocess result for errors that should be ignored
409         const bool bIgnoreError =
410                 (!rHelper.IsSpellUpperCase()  && IsUpper( rWord, nLang )) ||
411                 (!rHelper.IsSpellWithDigits() && HasDigits( rWord )) ||
412                 (!rHelper.IsSpellCapitalization()  &&  nFailure == SpellFailure::CAPTION_ERROR);
413         if (bIgnoreError)
414             nFailure = -1;
415 	}
416 
417 	return (nFailure == -1);
418 }
419 
420 
421 Reference< XSpellAlternatives >
422 	SpellChecker::GetProposals( const OUString &rWord, const Locale &rLocale )
423 {
424 	// Retrieves the return values for the 'spell' function call in case
425 	// of a misspelled word.
426 	// Especially it may give a list of suggested (correct) words:
427 
428 	Reference< XSpellAlternatives > xRes;
429     // note: mutex is held by higher up by spell which covers both
430 
431     Hunspell* pMS = NULL;
432     rtl_TextEncoding eEnc = RTL_TEXTENCODING_DONTKNOW;
433     int count = 0;
434     int numsug = 0;
435 
436     // first handle smart quotes (single and double)
437 	OUStringBuffer rBuf(rWord);
438     sal_Int32 n = rBuf.getLength();
439     sal_Unicode c;
440     for (sal_Int32 ix=0; ix < n; ix++)
441     {
442         c = rBuf.charAt(ix);
443         if ((c == 0x201C) || (c == 0x201D))
444             rBuf.setCharAt(ix,(sal_Unicode)0x0022);
445         if ((c == 0x2018) || (c == 0x2019))
446             rBuf.setCharAt(ix,(sal_Unicode)0x0027);
447     }
448     OUString nWord(rBuf.makeStringAndClear());
449 
450 	if (n)
451 	{
452         sal_Int16 nLang = LocaleToLanguage( rLocale );
453 
454 	    Sequence< OUString > aStr( 0 );
455 
456         for (int i =0; i < numdict; i++)
457         {
458             pMS = NULL;
459             eEnc = RTL_TEXTENCODING_DONTKNOW;
460             count = 0;
461 
462             if (rLocale == aDLocs[i])
463             {
464                 pMS = aDicts[i];
465                 eEnc = aDEncs[i];
466             }
467 
468 	        if (pMS)
469 	        {
470                 char ** suglst = NULL;
471                 OString aWrd(OU2ENC(nWord,eEnc));
472                 count = pMS->suggest(&suglst, (const char *) aWrd.getStr());
473 
474                 if (count)
475                 {
476                     aStr.realloc( numsug + count );
477                     OUString *pStr = aStr.getArray();
478                     for (int ii=0; ii < count; ++ii)
479                     {
480                         OUString cvtwrd(suglst[ii],strlen(suglst[ii]),eEnc);
481                         pStr[numsug + ii] = cvtwrd;
482                     }
483                     pMS->free_list(&suglst, count);
484                     numsug += count;
485                 }
486             }
487 	    }
488 
489         // now return an empty alternative for no suggestions or the list of alternatives if some found
490 	    SpellAlternatives *pAlt = new SpellAlternatives;
491         String aTmp(rWord);
492 	    pAlt->SetWordLanguage( aTmp, nLang );
493 	    pAlt->SetFailureType( SpellFailure::SPELLING_ERROR );
494 	    pAlt->SetAlternatives( aStr );
495 	    xRes = pAlt;
496         return xRes;
497 	}
498     return xRes;
499 }
500 
501 
502 Reference< XSpellAlternatives > SAL_CALL SpellChecker::spell(
503         const OUString& rWord, const Locale& rLocale,
504         const PropertyValues& rProperties )
505 		throw(IllegalArgumentException, RuntimeException)
506 {
507 	MutexGuard	aGuard( GetLinguMutex() );
508 
509  	if (rLocale == Locale()  ||  !rWord.getLength())
510 		return NULL;
511 
512 	if (!hasLocale( rLocale ))
513 #ifdef LINGU_EXCEPTIONS
514 		throw( IllegalArgumentException() );
515 #else
516 		return NULL;
517 #endif
518 
519 	Reference< XSpellAlternatives > xAlt;
520 	if (!isValid( rWord, rLocale, rProperties ))
521 	{
522 		xAlt =  GetProposals( rWord, rLocale );
523 	}
524 	return xAlt;
525 }
526 
527 
528 Reference< XInterface > SAL_CALL SpellChecker_CreateInstance(
529         const Reference< XMultiServiceFactory > & /*rSMgr*/ )
530         throw(Exception)
531 {
532 
533 	Reference< XInterface > xService = (cppu::OWeakObject*) new SpellChecker;
534 	return xService;
535 }
536 
537 
538 sal_Bool SAL_CALL SpellChecker::addLinguServiceEventListener(
539         const Reference< XLinguServiceEventListener >& rxLstnr )
540         throw(RuntimeException)
541 {
542 	MutexGuard	aGuard( GetLinguMutex() );
543 
544 	sal_Bool bRes = sal_False;
545 	if (!bDisposing && rxLstnr.is())
546 	{
547 		bRes = GetPropHelper().addLinguServiceEventListener( rxLstnr );
548 	}
549 	return bRes;
550 }
551 
552 
553 sal_Bool SAL_CALL SpellChecker::removeLinguServiceEventListener(
554         const Reference< XLinguServiceEventListener >& rxLstnr )
555         throw(RuntimeException)
556 {
557 	MutexGuard	aGuard( GetLinguMutex() );
558 
559 	sal_Bool bRes = sal_False;
560 	if (!bDisposing && rxLstnr.is())
561 	{
562 		DBG_ASSERT( xPropHelper.is(), "xPropHelper non existent" );
563 		bRes = GetPropHelper().removeLinguServiceEventListener( rxLstnr );
564 	}
565 	return bRes;
566 }
567 
568 
569 OUString SAL_CALL SpellChecker::getServiceDisplayName( const Locale& /*rLocale*/ )
570 		throw(RuntimeException)
571 {
572 	MutexGuard	aGuard( GetLinguMutex() );
573 	return A2OU( "Hunspell SpellChecker" );
574 }
575 
576 
577 void SAL_CALL SpellChecker::initialize( const Sequence< Any >& rArguments )
578 		throw(Exception, RuntimeException)
579 {
580 	MutexGuard	aGuard( GetLinguMutex() );
581 
582 	if (!pPropHelper)
583 	{
584 		sal_Int32 nLen = rArguments.getLength();
585 		if (2 == nLen)
586 		{
587 			Reference< XPropertySet	>	xPropSet;
588 			rArguments.getConstArray()[0] >>= xPropSet;
589 			//rArguments.getConstArray()[1] >>= xDicList;
590 
591 			//! Pointer allows for access of the non-UNO functions.
592 			//! And the reference to the UNO-functions while increasing
593 			//! the ref-count and will implicitly free the memory
594 			//! when the object is not longer used.
595 			pPropHelper = new PropertyHelper_Spell( (XSpellChecker *) this, xPropSet );
596 			xPropHelper = pPropHelper;
597 			pPropHelper->AddAsPropListener();	//! after a reference is established
598 		}
599         else
600         {
601 			DBG_ERROR( "wrong number of arguments in sequence" );
602         }
603 	}
604 }
605 
606 
607 void SAL_CALL SpellChecker::dispose()
608 		throw(RuntimeException)
609 {
610 	MutexGuard	aGuard( GetLinguMutex() );
611 
612 	if (!bDisposing)
613 	{
614 		bDisposing = sal_True;
615 		EventObject	aEvtObj( (XSpellChecker *) this );
616 		aEvtListeners.disposeAndClear( aEvtObj );
617 	}
618 }
619 
620 
621 void SAL_CALL SpellChecker::addEventListener( const Reference< XEventListener >& rxListener )
622 		throw(RuntimeException)
623 {
624 	MutexGuard	aGuard( GetLinguMutex() );
625 
626 	if (!bDisposing && rxListener.is())
627 		aEvtListeners.addInterface( rxListener );
628 }
629 
630 
631 void SAL_CALL SpellChecker::removeEventListener( const Reference< XEventListener >& rxListener )
632 		throw(RuntimeException)
633 {
634 	MutexGuard	aGuard( GetLinguMutex() );
635 
636 	if (!bDisposing && rxListener.is())
637 		aEvtListeners.removeInterface( rxListener );
638 }
639 
640 
641 ///////////////////////////////////////////////////////////////////////////
642 // Service specific part
643 //
644 
645 OUString SAL_CALL SpellChecker::getImplementationName()
646 		throw(RuntimeException)
647 {
648 	MutexGuard	aGuard( GetLinguMutex() );
649 
650 	return getImplementationName_Static();
651 }
652 
653 
654 sal_Bool SAL_CALL SpellChecker::supportsService( const OUString& ServiceName )
655 		throw(RuntimeException)
656 {
657 	MutexGuard	aGuard( GetLinguMutex() );
658 
659 	Sequence< OUString > aSNL = getSupportedServiceNames();
660 	const OUString * pArray = aSNL.getConstArray();
661 	for( sal_Int32 i = 0; i < aSNL.getLength(); i++ )
662 		if( pArray[i] == ServiceName )
663 			return sal_True;
664 	return sal_False;
665 }
666 
667 
668 Sequence< OUString > SAL_CALL SpellChecker::getSupportedServiceNames()
669 		throw(RuntimeException)
670 {
671 	MutexGuard	aGuard( GetLinguMutex() );
672 
673 	return getSupportedServiceNames_Static();
674 }
675 
676 
677 Sequence< OUString > SpellChecker::getSupportedServiceNames_Static()
678 		throw()
679 {
680 	MutexGuard	aGuard( GetLinguMutex() );
681 
682 	Sequence< OUString > aSNS( 1 );	// auch mehr als 1 Service moeglich
683 	aSNS.getArray()[0] = A2OU( SN_SPELLCHECKER );
684 	return aSNS;
685 }
686 
687 void * SAL_CALL SpellChecker_getFactory( const sal_Char * pImplName,
688 			XMultiServiceFactory * pServiceManager, void *  )
689 {
690 	void * pRet = 0;
691 	if ( !SpellChecker::getImplementationName_Static().compareToAscii( pImplName ) )
692 	{
693 		Reference< XSingleServiceFactory > xFactory =
694 			cppu::createOneInstanceFactory(
695 				pServiceManager,
696 				SpellChecker::getImplementationName_Static(),
697 				SpellChecker_CreateInstance,
698 				SpellChecker::getSupportedServiceNames_Static());
699 		// acquire, because we return an interface pointer instead of a reference
700 		xFactory->acquire();
701 		pRet = xFactory.get();
702 	}
703 	return pRet;
704 }
705 
706 
707 ///////////////////////////////////////////////////////////////////////////
708