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 <com/sun/star/uno/Reference.h>
21 : #include <com/sun/star/linguistic2/XSearchableDictionaryList.hpp>
22 :
23 : #include <com/sun/star/linguistic2/SpellFailure.hpp>
24 : #include <cppuhelper/factory.hxx>
25 : #include <cppuhelper/supportsservice.hxx>
26 : #include <com/sun/star/registry/XRegistryKey.hpp>
27 : #include <tools/debug.hxx>
28 : #include <osl/mutex.hxx>
29 :
30 : #include <lingutil.hxx>
31 : #include <hunspell.hxx>
32 : #include <dictmgr.hxx>
33 : #include <sspellimp.hxx>
34 :
35 : #include <linguistic/lngprops.hxx>
36 : #include <linguistic/spelldta.hxx>
37 : #include <i18nlangtag/languagetag.hxx>
38 : #include <unotools/pathoptions.hxx>
39 : #include <unotools/lingucfg.hxx>
40 : #include <unotools/useroptions.hxx>
41 : #include <osl/file.hxx>
42 : #include <rtl/ustrbuf.hxx>
43 : #include <rtl/textenc.h>
44 :
45 : #include <list>
46 : #include <set>
47 : #include <string.h>
48 :
49 : using namespace utl;
50 : using namespace osl;
51 : using namespace com::sun::star;
52 : using namespace com::sun::star::beans;
53 : using namespace com::sun::star::lang;
54 : using namespace com::sun::star::uno;
55 : using namespace com::sun::star::linguistic2;
56 : using namespace linguistic;
57 :
58 : // XML-header of SPELLML queries
59 : #define SPELLML_HEADER "<?xml?>"
60 :
61 0 : SpellChecker::SpellChecker() :
62 : aDicts(NULL),
63 : aDEncs(NULL),
64 : aDLocs(NULL),
65 : aDNames(NULL),
66 : numdict(0),
67 0 : aEvtListeners(GetLinguMutex()),
68 : pPropHelper(NULL),
69 0 : bDisposing(false)
70 : {
71 0 : }
72 :
73 0 : SpellChecker::~SpellChecker()
74 : {
75 0 : if (aDicts)
76 : {
77 0 : for (int i = 0; i < numdict; ++i)
78 : {
79 0 : delete aDicts[i];
80 : }
81 0 : delete[] aDicts;
82 : }
83 0 : delete[] aDEncs;
84 0 : delete[] aDLocs;
85 0 : delete[] aDNames;
86 0 : if (pPropHelper)
87 : {
88 0 : pPropHelper->RemoveAsPropListener();
89 0 : delete pPropHelper;
90 : }
91 0 : }
92 :
93 0 : PropertyHelper_Spelling & SpellChecker::GetPropHelper_Impl()
94 : {
95 0 : if (!pPropHelper)
96 : {
97 0 : Reference< XLinguProperties > xPropSet( GetLinguProperties(), UNO_QUERY );
98 :
99 0 : pPropHelper = new PropertyHelper_Spelling( (XSpellChecker *) this, xPropSet );
100 0 : pPropHelper->AddAsPropListener(); //! after a reference is established
101 : }
102 0 : return *pPropHelper;
103 : }
104 :
105 0 : Sequence< Locale > SAL_CALL SpellChecker::getLocales()
106 : throw(RuntimeException, std::exception)
107 : {
108 0 : MutexGuard aGuard( GetLinguMutex() );
109 :
110 : // this routine should return the locales supported by the installed
111 : // dictionaries.
112 0 : if (!numdict)
113 : {
114 0 : SvtLinguConfig aLinguCfg;
115 :
116 : // get list of extension dictionaries-to-use
117 : // (or better speaking: the list of dictionaries using the
118 : // new configuration entries).
119 0 : std::list< SvtLinguConfigDictionaryEntry > aDics;
120 0 : uno::Sequence< OUString > aFormatList;
121 : aLinguCfg.GetSupportedDictionaryFormatsFor( "SpellCheckers",
122 0 : "org.openoffice.lingu.MySpellSpellChecker", aFormatList );
123 0 : sal_Int32 nLen = aFormatList.getLength();
124 0 : for (sal_Int32 i = 0; i < nLen; ++i)
125 : {
126 : std::vector< SvtLinguConfigDictionaryEntry > aTmpDic(
127 0 : aLinguCfg.GetActiveDictionariesByFormat( aFormatList[i] ) );
128 0 : aDics.insert( aDics.end(), aTmpDic.begin(), aTmpDic.end() );
129 0 : }
130 :
131 : //!! for compatibility with old dictionaries (the ones not using extensions
132 : //!! or new configuration entries, but still using the dictionary.lst file)
133 : //!! Get the list of old style spell checking dictionaries to use...
134 : std::vector< SvtLinguConfigDictionaryEntry > aOldStyleDics(
135 0 : GetOldStyleDics( "DICT" ) );
136 :
137 : // to prefer dictionaries with configuration entries we will only
138 : // use those old style dictionaries that add a language that
139 : // is not yet supported by the list od new style dictionaries
140 0 : MergeNewStyleDicsAndOldStyleDics( aDics, aOldStyleDics );
141 :
142 0 : if (!aDics.empty())
143 : {
144 : // get supported locales from the dictionaries-to-use...
145 0 : sal_Int32 k = 0;
146 0 : std::set< OUString, lt_rtl_OUString > aLocaleNamesSet;
147 0 : std::list< SvtLinguConfigDictionaryEntry >::const_iterator aDictIt;
148 0 : for (aDictIt = aDics.begin(); aDictIt != aDics.end(); ++aDictIt)
149 : {
150 0 : uno::Sequence< OUString > aLocaleNames( aDictIt->aLocaleNames );
151 0 : sal_Int32 nLen2 = aLocaleNames.getLength();
152 0 : for (k = 0; k < nLen2; ++k)
153 : {
154 0 : aLocaleNamesSet.insert( aLocaleNames[k] );
155 : }
156 0 : }
157 : // ... and add them to the resulting sequence
158 0 : aSuppLocales.realloc( aLocaleNamesSet.size() );
159 0 : std::set< OUString, lt_rtl_OUString >::const_iterator aItB;
160 0 : k = 0;
161 0 : for (aItB = aLocaleNamesSet.begin(); aItB != aLocaleNamesSet.end(); ++aItB)
162 : {
163 0 : Locale aTmp( LanguageTag::convertToLocale( *aItB ));
164 0 : aSuppLocales[k++] = aTmp;
165 0 : }
166 :
167 : //! For each dictionary and each locale we need a separate entry.
168 : //! If this results in more than one dictionary per locale than (for now)
169 : //! it is undefined which dictionary gets used.
170 : //! In the future the implementation should support using several dictionaries
171 : //! for one locale.
172 0 : numdict = 0;
173 0 : for (aDictIt = aDics.begin(); aDictIt != aDics.end(); ++aDictIt)
174 0 : numdict = numdict + aDictIt->aLocaleNames.getLength();
175 :
176 : // add dictionary information
177 0 : aDicts = new Hunspell* [numdict];
178 0 : aDEncs = new rtl_TextEncoding [numdict];
179 0 : aDLocs = new Locale [numdict];
180 0 : aDNames = new OUString [numdict];
181 0 : k = 0;
182 0 : for (aDictIt = aDics.begin(); aDictIt != aDics.end(); ++aDictIt)
183 : {
184 0 : if (aDictIt->aLocaleNames.getLength() > 0 &&
185 0 : aDictIt->aLocations.getLength() > 0)
186 : {
187 0 : uno::Sequence< OUString > aLocaleNames( aDictIt->aLocaleNames );
188 0 : sal_Int32 nLocales = aLocaleNames.getLength();
189 :
190 : // currently only one language per dictionary is supported in the actual implementation...
191 : // Thus here we work-around this by adding the same dictionary several times.
192 : // Once for each of it's supported locales.
193 0 : for (sal_Int32 i = 0; i < nLocales; ++i)
194 : {
195 0 : aDicts[k] = NULL;
196 0 : aDEncs[k] = RTL_TEXTENCODING_DONTKNOW;
197 0 : aDLocs[k] = LanguageTag::convertToLocale( aLocaleNames[i] );
198 : // also both files have to be in the same directory and the
199 : // file names must only differ in the extension (.aff/.dic).
200 : // Thus we use the first location only and strip the extension part.
201 0 : OUString aLocation = aDictIt->aLocations[0];
202 0 : sal_Int32 nPos = aLocation.lastIndexOf( '.' );
203 0 : aLocation = aLocation.copy( 0, nPos );
204 0 : aDNames[k] = aLocation;
205 :
206 0 : ++k;
207 0 : }
208 : }
209 : }
210 0 : DBG_ASSERT( k == numdict, "index mismatch?" );
211 : }
212 : else
213 : {
214 : // no dictionary found so register no dictionaries
215 0 : numdict = 0;
216 0 : delete[] aDicts;
217 0 : aDicts = NULL;
218 0 : delete[] aDEncs;
219 0 : aDEncs = NULL;
220 0 : delete[] aDLocs;
221 0 : aDLocs = NULL;
222 0 : delete[] aDNames;
223 0 : aDNames = NULL;
224 0 : aSuppLocales.realloc(0);
225 0 : }
226 : }
227 :
228 0 : return aSuppLocales;
229 : }
230 :
231 0 : sal_Bool SAL_CALL SpellChecker::hasLocale(const Locale& rLocale)
232 : throw(RuntimeException, std::exception)
233 : {
234 0 : MutexGuard aGuard( GetLinguMutex() );
235 :
236 0 : sal_Bool bRes = sal_False;
237 0 : if (!aSuppLocales.getLength())
238 0 : getLocales();
239 :
240 0 : const Locale *pLocale = aSuppLocales.getConstArray();
241 0 : sal_Int32 nLen = aSuppLocales.getLength();
242 0 : for (sal_Int32 i = 0; i < nLen; ++i)
243 : {
244 0 : if (rLocale == pLocale[i])
245 : {
246 0 : bRes = sal_True;
247 0 : break;
248 : }
249 : }
250 0 : return bRes;
251 : }
252 :
253 0 : sal_Int16 SpellChecker::GetSpellFailure( const OUString &rWord, const Locale &rLocale )
254 : {
255 0 : Hunspell * pMS = NULL;
256 0 : rtl_TextEncoding eEnc = RTL_TEXTENCODING_DONTKNOW;
257 :
258 : // initialize a myspell object for each dictionary once
259 : // (note: mutex is held higher up in isValid)
260 :
261 0 : sal_Int16 nRes = -1;
262 :
263 : // first handle smart quotes both single and double
264 0 : OUStringBuffer rBuf(rWord);
265 0 : sal_Int32 n = rBuf.getLength();
266 : sal_Unicode c;
267 0 : sal_Int32 extrachar = 0;
268 :
269 0 : for (sal_Int32 ix=0; ix < n; ix++)
270 : {
271 0 : c = rBuf[ix];
272 0 : if ((c == 0x201C) || (c == 0x201D))
273 0 : rBuf[ix] = (sal_Unicode)0x0022;
274 0 : else if ((c == 0x2018) || (c == 0x2019))
275 0 : rBuf[ix] = (sal_Unicode)0x0027;
276 :
277 : // recognize words with Unicode ligatures and ZWNJ/ZWJ characters (only
278 : // with 8-bit encoded dictionaries. For UTF-8 encoded dictionaries
279 : // set ICONV and IGNORE aff file options, if needed.)
280 0 : else if ((c == 0x200C) || (c == 0x200D) ||
281 0 : ((c >= 0xFB00) && (c <= 0xFB04)))
282 0 : extrachar = 1;
283 : }
284 0 : OUString nWord(rBuf.makeStringAndClear());
285 :
286 0 : if (n)
287 : {
288 0 : for (sal_Int32 i = 0; i < numdict; ++i)
289 : {
290 0 : pMS = NULL;
291 0 : eEnc = RTL_TEXTENCODING_DONTKNOW;
292 :
293 0 : if (rLocale == aDLocs[i])
294 : {
295 0 : if (!aDicts[i])
296 : {
297 0 : OUString dicpath = aDNames[i] + ".dic";
298 0 : OUString affpath = aDNames[i] + ".aff";
299 0 : OUString dict;
300 0 : OUString aff;
301 0 : osl::FileBase::getSystemPathFromFileURL(dicpath,dict);
302 0 : osl::FileBase::getSystemPathFromFileURL(affpath,aff);
303 0 : OString aTmpaff(OU2ENC(aff,osl_getThreadTextEncoding()));
304 0 : OString aTmpdict(OU2ENC(dict,osl_getThreadTextEncoding()));
305 :
306 : #if defined(WNT)
307 : // workaround for Windows specific problem that the
308 : // path length in calls to 'fopen' is limted to somewhat
309 : // about 120+ characters which will usually be exceed when
310 : // using dictionaries as extensions.
311 : aTmpaff = Win_GetShortPathName( aff );
312 : aTmpdict = Win_GetShortPathName( dict );
313 : #endif
314 :
315 0 : aDicts[i] = new Hunspell(aTmpaff.getStr(),aTmpdict.getStr());
316 0 : aDEncs[i] = RTL_TEXTENCODING_DONTKNOW;
317 0 : if (aDicts[i])
318 0 : aDEncs[i] = getTextEncodingFromCharset(aDicts[i]->get_dic_encoding());
319 : }
320 0 : pMS = aDicts[i];
321 0 : eEnc = aDEncs[i];
322 : }
323 :
324 0 : if (pMS)
325 : {
326 : // we don't want to work with a default text encoding since following incorrect
327 : // results may occur only for specific text and thus may be hard to notice.
328 : // Thus better always make a clean exit here if the text encoding is in question.
329 : // Hopefully something not working at all will raise proper attention quickly. ;-)
330 : DBG_ASSERT( eEnc != RTL_TEXTENCODING_DONTKNOW, "failed to get text encoding! (maybe incorrect encoding string in file)" );
331 0 : if (eEnc == RTL_TEXTENCODING_DONTKNOW)
332 0 : return -1;
333 :
334 0 : OString aWrd(OU2ENC(nWord,eEnc));
335 0 : int rVal = pMS->spell((char*)aWrd.getStr());
336 0 : if (rVal != 1) {
337 0 : if (extrachar && (eEnc != RTL_TEXTENCODING_UTF8)) {
338 0 : OUStringBuffer mBuf(nWord);
339 0 : n = mBuf.getLength();
340 0 : for (sal_Int32 ix=n-1; ix >= 0; ix--)
341 : {
342 0 : switch (mBuf[ix]) {
343 0 : case 0xFB00: mBuf.remove(ix, 1); mBuf.insert(ix, "ff"); break;
344 0 : case 0xFB01: mBuf.remove(ix, 1); mBuf.insert(ix, "fi"); break;
345 0 : case 0xFB02: mBuf.remove(ix, 1); mBuf.insert(ix, "fl"); break;
346 0 : case 0xFB03: mBuf.remove(ix, 1); mBuf.insert(ix, "ffi"); break;
347 0 : case 0xFB04: mBuf.remove(ix, 1); mBuf.insert(ix, "ffl"); break;
348 : case 0x200C:
349 0 : case 0x200D: mBuf.remove(ix, 1); break;
350 : }
351 : }
352 0 : OUString mWord(mBuf.makeStringAndClear());
353 0 : OString bWrd(OU2ENC(mWord, eEnc));
354 0 : rVal = pMS->spell((char*)bWrd.getStr());
355 0 : if (rVal == 1) return -1;
356 : }
357 0 : nRes = SpellFailure::SPELLING_ERROR;
358 : } else {
359 0 : return -1;
360 : }
361 0 : pMS = NULL;
362 : }
363 : }
364 : }
365 :
366 0 : return nRes;
367 : }
368 :
369 0 : sal_Bool SAL_CALL SpellChecker::isValid( const OUString& rWord, const Locale& rLocale,
370 : const PropertyValues& rProperties )
371 : throw(IllegalArgumentException, RuntimeException, std::exception)
372 : {
373 0 : MutexGuard aGuard( GetLinguMutex() );
374 :
375 0 : if (rLocale == Locale() || rWord.isEmpty())
376 0 : return sal_True;
377 :
378 0 : if (!hasLocale( rLocale ))
379 0 : return sal_True;
380 :
381 : // return sal_False to process SPELLML requests (they are longer than the header)
382 0 : if (rWord.match(SPELLML_HEADER, 0) && (rWord.getLength() > 10)) return sal_False;
383 :
384 : // Get property values to be used.
385 : // These are be the default values set in the SN_LINGU_PROPERTIES
386 : // PropertySet which are overridden by the supplied ones from the
387 : // last argument.
388 : // You'll probably like to use a simplier solution than the provided
389 : // one using the PropertyHelper_Spell.
390 0 : PropertyHelper_Spelling& rHelper = GetPropHelper();
391 0 : rHelper.SetTmpPropVals( rProperties );
392 :
393 0 : sal_Int16 nFailure = GetSpellFailure( rWord, rLocale );
394 0 : if (nFailure != -1 && !rWord.match(SPELLML_HEADER, 0))
395 : {
396 0 : sal_Int16 nLang = LinguLocaleToLanguage( rLocale );
397 : // postprocess result for errors that should be ignored
398 : const bool bIgnoreError =
399 0 : (!rHelper.IsSpellUpperCase() && IsUpper( rWord, nLang )) ||
400 0 : (!rHelper.IsSpellWithDigits() && HasDigits( rWord )) ||
401 0 : (!rHelper.IsSpellCapitalization() && nFailure == SpellFailure::CAPTION_ERROR);
402 0 : if (bIgnoreError)
403 0 : nFailure = -1;
404 : }
405 :
406 0 : return (nFailure == -1);
407 : }
408 :
409 : Reference< XSpellAlternatives >
410 0 : SpellChecker::GetProposals( const OUString &rWord, const Locale &rLocale )
411 : {
412 : // Retrieves the return values for the 'spell' function call in case
413 : // of a misspelled word.
414 : // Especially it may give a list of suggested (correct) words:
415 0 : Reference< XSpellAlternatives > xRes;
416 : // note: mutex is held by higher up by spell which covers both
417 :
418 0 : Hunspell* pMS = NULL;
419 0 : rtl_TextEncoding eEnc = RTL_TEXTENCODING_DONTKNOW;
420 :
421 : // first handle smart quotes (single and double)
422 0 : OUStringBuffer rBuf(rWord);
423 0 : sal_Int32 n = rBuf.getLength();
424 : sal_Unicode c;
425 0 : for (sal_Int32 ix=0; ix < n; ix++)
426 : {
427 0 : c = rBuf[ix];
428 0 : if ((c == 0x201C) || (c == 0x201D))
429 0 : rBuf[ix] = (sal_Unicode)0x0022;
430 0 : if ((c == 0x2018) || (c == 0x2019))
431 0 : rBuf[ix] = (sal_Unicode)0x0027;
432 : }
433 0 : OUString nWord(rBuf.makeStringAndClear());
434 :
435 0 : if (n)
436 : {
437 0 : sal_Int16 nLang = LinguLocaleToLanguage( rLocale );
438 0 : int numsug = 0;
439 :
440 0 : Sequence< OUString > aStr( 0 );
441 0 : for (int i = 0; i < numdict; i++)
442 : {
443 0 : pMS = NULL;
444 0 : eEnc = RTL_TEXTENCODING_DONTKNOW;
445 :
446 0 : if (rLocale == aDLocs[i])
447 : {
448 0 : pMS = aDicts[i];
449 0 : eEnc = aDEncs[i];
450 : }
451 :
452 0 : if (pMS)
453 : {
454 0 : char ** suglst = NULL;
455 0 : OString aWrd(OU2ENC(nWord,eEnc));
456 0 : int count = pMS->suggest(&suglst, (const char *) aWrd.getStr());
457 :
458 0 : if (count)
459 : {
460 0 : aStr.realloc( numsug + count );
461 0 : OUString *pStr = aStr.getArray();
462 0 : for (int ii=0; ii < count; ++ii)
463 : {
464 0 : OUString cvtwrd(suglst[ii],strlen(suglst[ii]),eEnc);
465 0 : pStr[numsug + ii] = cvtwrd;
466 0 : }
467 0 : numsug += count;
468 : }
469 :
470 0 : pMS->free_list(&suglst, count);
471 : }
472 : }
473 :
474 : // now return an empty alternative for no suggestions or the list of alternatives if some found
475 0 : OUString aTmp(rWord);
476 0 : xRes = SpellAlternatives::CreateSpellAlternatives( aTmp, nLang, SpellFailure::SPELLING_ERROR, aStr );
477 0 : return xRes;
478 : }
479 0 : return xRes;
480 : }
481 :
482 0 : Reference< XSpellAlternatives > SAL_CALL SpellChecker::spell(
483 : const OUString& rWord, const Locale& rLocale,
484 : const PropertyValues& rProperties )
485 : throw(IllegalArgumentException, RuntimeException, std::exception)
486 : {
487 0 : MutexGuard aGuard( GetLinguMutex() );
488 :
489 0 : if (rLocale == Locale() || rWord.isEmpty())
490 0 : return NULL;
491 :
492 0 : if (!hasLocale( rLocale ))
493 0 : return NULL;
494 :
495 0 : Reference< XSpellAlternatives > xAlt;
496 0 : if (!isValid( rWord, rLocale, rProperties ))
497 : {
498 0 : xAlt = GetProposals( rWord, rLocale );
499 : }
500 0 : return xAlt;
501 : }
502 :
503 0 : Reference< XInterface > SAL_CALL SpellChecker_CreateInstance(
504 : const Reference< XMultiServiceFactory > & /*rSMgr*/ )
505 : throw(Exception)
506 : {
507 :
508 0 : Reference< XInterface > xService = (cppu::OWeakObject*) new SpellChecker;
509 0 : return xService;
510 : }
511 :
512 0 : sal_Bool SAL_CALL SpellChecker::addLinguServiceEventListener(
513 : const Reference< XLinguServiceEventListener >& rxLstnr )
514 : throw(RuntimeException, std::exception)
515 : {
516 0 : MutexGuard aGuard( GetLinguMutex() );
517 :
518 0 : sal_Bool bRes = sal_False;
519 0 : if (!bDisposing && rxLstnr.is())
520 : {
521 0 : bRes = GetPropHelper().addLinguServiceEventListener( rxLstnr );
522 : }
523 0 : return bRes;
524 : }
525 :
526 0 : sal_Bool SAL_CALL SpellChecker::removeLinguServiceEventListener(
527 : const Reference< XLinguServiceEventListener >& rxLstnr )
528 : throw(RuntimeException, std::exception)
529 : {
530 0 : MutexGuard aGuard( GetLinguMutex() );
531 :
532 0 : sal_Bool bRes = sal_False;
533 0 : if (!bDisposing && rxLstnr.is())
534 : {
535 0 : bRes = GetPropHelper().removeLinguServiceEventListener( rxLstnr );
536 : }
537 0 : return bRes;
538 : }
539 :
540 0 : OUString SAL_CALL SpellChecker::getServiceDisplayName( const Locale& /*rLocale*/ )
541 : throw(RuntimeException, std::exception)
542 : {
543 0 : MutexGuard aGuard( GetLinguMutex() );
544 0 : return OUString( "Hunspell SpellChecker" );
545 : }
546 :
547 0 : void SAL_CALL SpellChecker::initialize( const Sequence< Any >& rArguments )
548 : throw(Exception, RuntimeException, std::exception)
549 : {
550 0 : MutexGuard aGuard( GetLinguMutex() );
551 :
552 0 : if (!pPropHelper)
553 : {
554 0 : sal_Int32 nLen = rArguments.getLength();
555 0 : if (2 == nLen)
556 : {
557 0 : Reference< XLinguProperties > xPropSet;
558 0 : rArguments.getConstArray()[0] >>= xPropSet;
559 : // rArguments.getConstArray()[1] >>= xDicList;
560 :
561 : //! Pointer allows for access of the non-UNO functions.
562 : //! And the reference to the UNO-functions while increasing
563 : //! the ref-count and will implicitly free the memory
564 : //! when the object is not longer used.
565 0 : pPropHelper = new PropertyHelper_Spelling( (XSpellChecker *) this, xPropSet );
566 0 : pPropHelper->AddAsPropListener(); //! after a reference is established
567 : }
568 : else {
569 : OSL_FAIL( "wrong number of arguments in sequence" );
570 : }
571 0 : }
572 0 : }
573 :
574 0 : void SAL_CALL SpellChecker::dispose()
575 : throw(RuntimeException, std::exception)
576 : {
577 0 : MutexGuard aGuard( GetLinguMutex() );
578 :
579 0 : if (!bDisposing)
580 : {
581 0 : bDisposing = true;
582 0 : EventObject aEvtObj( (XSpellChecker *) this );
583 0 : aEvtListeners.disposeAndClear( aEvtObj );
584 0 : if (pPropHelper)
585 : {
586 0 : pPropHelper->RemoveAsPropListener();
587 0 : delete pPropHelper;
588 0 : pPropHelper = NULL;
589 0 : }
590 0 : }
591 0 : }
592 :
593 0 : void SAL_CALL SpellChecker::addEventListener( const Reference< XEventListener >& rxListener )
594 : throw(RuntimeException, std::exception)
595 : {
596 0 : MutexGuard aGuard( GetLinguMutex() );
597 :
598 0 : if (!bDisposing && rxListener.is())
599 0 : aEvtListeners.addInterface( rxListener );
600 0 : }
601 :
602 0 : void SAL_CALL SpellChecker::removeEventListener( const Reference< XEventListener >& rxListener )
603 : throw(RuntimeException, std::exception)
604 : {
605 0 : MutexGuard aGuard( GetLinguMutex() );
606 :
607 0 : if (!bDisposing && rxListener.is())
608 0 : aEvtListeners.removeInterface( rxListener );
609 0 : }
610 :
611 : // Service specific part
612 0 : OUString SAL_CALL SpellChecker::getImplementationName()
613 : throw(RuntimeException, std::exception)
614 : {
615 0 : MutexGuard aGuard( GetLinguMutex() );
616 :
617 0 : return getImplementationName_Static();
618 : }
619 :
620 0 : sal_Bool SAL_CALL SpellChecker::supportsService( const OUString& ServiceName )
621 : throw(RuntimeException, std::exception)
622 : {
623 0 : return cppu::supportsService(this, ServiceName);
624 : }
625 :
626 0 : Sequence< OUString > SAL_CALL SpellChecker::getSupportedServiceNames()
627 : throw(RuntimeException, std::exception)
628 : {
629 0 : MutexGuard aGuard( GetLinguMutex() );
630 :
631 0 : return getSupportedServiceNames_Static();
632 : }
633 :
634 0 : Sequence< OUString > SpellChecker::getSupportedServiceNames_Static()
635 : throw()
636 : {
637 0 : MutexGuard aGuard( GetLinguMutex() );
638 :
639 0 : Sequence< OUString > aSNS( 1 ); // more than 1 service is possible, too
640 0 : aSNS.getArray()[0] = SN_SPELLCHECKER;
641 0 : return aSNS;
642 : }
643 :
644 0 : void * SAL_CALL SpellChecker_getFactory( const sal_Char * pImplName,
645 : XMultiServiceFactory * pServiceManager, void * )
646 : {
647 0 : void * pRet = 0;
648 0 : if ( SpellChecker::getImplementationName_Static().equalsAscii( pImplName ) )
649 : {
650 : Reference< XSingleServiceFactory > xFactory =
651 : cppu::createOneInstanceFactory(
652 : pServiceManager,
653 : SpellChecker::getImplementationName_Static(),
654 : SpellChecker_CreateInstance,
655 0 : SpellChecker::getSupportedServiceNames_Static());
656 : // acquire, because we return an interface pointer instead of a reference
657 0 : xFactory->acquire();
658 0 : pRet = xFactory.get();
659 : }
660 0 : return pRet;
661 : }
662 :
663 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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