Bug Summary

File:home/maarten/src/libreoffice/core/include/rtl/ref.hxx
Warning:line 192, column 9
Use of memory after it is freed

Annotated Source Code

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clang -cc1 -cc1 -triple x86_64-unknown-linux-gnu -analyze -disable-free -disable-llvm-verifier -discard-value-names -main-file-name numfmtlb.cxx -analyzer-store=region -analyzer-opt-analyze-nested-blocks -analyzer-checker=core -analyzer-checker=apiModeling -analyzer-checker=unix -analyzer-checker=deadcode -analyzer-checker=cplusplus -analyzer-checker=security.insecureAPI.UncheckedReturn -analyzer-checker=security.insecureAPI.getpw -analyzer-checker=security.insecureAPI.gets -analyzer-checker=security.insecureAPI.mktemp -analyzer-checker=security.insecureAPI.mkstemp -analyzer-checker=security.insecureAPI.vfork -analyzer-checker=nullability.NullPassedToNonnull -analyzer-checker=nullability.NullReturnedFromNonnull -analyzer-output plist -w -setup-static-analyzer -mrelocation-model pic -pic-level 2 -mframe-pointer=all -fmath-errno -fno-rounding-math -mconstructor-aliases -munwind-tables -target-cpu x86-64 -fno-split-dwarf-inlining -debugger-tuning=gdb -resource-dir /usr/lib64/clang/11.0.0 -isystem /usr/include/libxml2 -D BOOST_ERROR_CODE_HEADER_ONLY -D BOOST_SYSTEM_NO_DEPRECATED -D CPPU_ENV=gcc3 -D LINUX -D OSL_DEBUG_LEVEL=1 -D SAL_LOG_INFO -D SAL_LOG_WARN -D UNIX -D UNX -D X86_64 -D _PTHREADS -D _REENTRANT -D SW_DLLIMPLEMENTATION -D SWUI_DLL_NAME="libswuilo.so" -D SYSTEM_LIBXML -D EXCEPTIONS_ON -D LIBO_INTERNAL_ONLY -I /home/maarten/src/libreoffice/core/workdir/UnpackedTarball/icu/source -I /home/maarten/src/libreoffice/core/workdir/UnpackedTarball/icu/source/i18n -I /home/maarten/src/libreoffice/core/workdir/UnpackedTarball/icu/source/common -I /home/maarten/src/libreoffice/core/external/boost/include -I /home/maarten/src/libreoffice/core/workdir/UnpackedTarball/boost -I /home/maarten/src/libreoffice/core/sw/source/core/inc -I /home/maarten/src/libreoffice/core/sw/source/filter/inc -I /home/maarten/src/libreoffice/core/sw/source/uibase/inc -I /home/maarten/src/libreoffice/core/sw/inc -I /home/maarten/src/libreoffice/core/workdir/SdiTarget/sw/sdi -I /home/maarten/src/libreoffice/core/include -I /usr/lib/jvm/java-11-openjdk-11.0.9.10-0.0.ea.fc33.x86_64/include -I /usr/lib/jvm/java-11-openjdk-11.0.9.10-0.0.ea.fc33.x86_64/include/linux -I /home/maarten/src/libreoffice/core/config_host -I /home/maarten/src/libreoffice/core/workdir/CustomTarget/officecfg/registry -I /home/maarten/src/libreoffice/core/workdir/CustomTarget/sw/generated -I /home/maarten/src/libreoffice/core/workdir/UnoApiHeadersTarget/udkapi/normal -I /home/maarten/src/libreoffice/core/workdir/UnoApiHeadersTarget/offapi/normal -I /home/maarten/src/libreoffice/core/workdir/UnoApiHeadersTarget/oovbaapi/normal -internal-isystem /usr/bin/../lib/gcc/x86_64-redhat-linux/10/../../../../include/c++/10 -internal-isystem /usr/bin/../lib/gcc/x86_64-redhat-linux/10/../../../../include/c++/10/x86_64-redhat-linux -internal-isystem /usr/bin/../lib/gcc/x86_64-redhat-linux/10/../../../../include/c++/10/backward -internal-isystem /usr/local/include -internal-isystem /usr/lib64/clang/11.0.0/include -internal-externc-isystem /include -internal-externc-isystem /usr/include -O0 -Wno-missing-braces -std=c++17 -fdeprecated-macro -fdebug-compilation-dir /home/maarten/src/libreoffice/core -ferror-limit 19 -fvisibility hidden -fvisibility-inlines-hidden -stack-protector 2 -fgnuc-version=4.2.1 -fcxx-exceptions -fexceptions -debug-info-kind=constructor -analyzer-output=html -faddrsig -o /home/maarten/tmp/wis/scan-build-libreoffice/output/report/2020-10-07-141433-9725-1 -x c++ /home/maarten/src/libreoffice/core/sw/source/uibase/utlui/numfmtlb.cxx

/home/maarten/src/libreoffice/core/sw/source/uibase/utlui/numfmtlb.cxx

→
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 <i18nlangtag/lang.h>
21#include <svl/zformat.hxx>
22#include <svl/eitem.hxx>
23#include <svx/svxids.hrc>
24#include <svx/numinf.hxx>
25#include <svx/flagsdef.hxx>
26#include <svl/itemset.hxx>
27#include <docsh.hxx>
28#include <swtypes.hxx>
29#include <swmodule.hxx>
30#include <view.hxx>
31#include <wrtsh.hxx>
32#include <numfmtlb.hxx>
33#include <strings.hrc>
34#include <swabstdlg.hxx>
35#include <memory>
36
37using namespace ::com::sun::star::uno;
38using namespace ::com::sun::star::lang;
39
40/**
41 * Description:
42 * nFormatType: Display the formats of this Type
43 * nDefaultFormat: Select this format and possibly insert it
44 */
45
46namespace
47{
48
49bool lcl_isSystemFormat(sal_uInt32 nDefaultFormat, SvNumberFormatter* pFormatter, LanguageType eCurLanguage)
50{
51 const sal_uInt32 nSysNumFormat = pFormatter->GetFormatIndex(NF_NUMBER_SYSTEM, eCurLanguage);
52 if (nDefaultFormat == nSysNumFormat)
53 return true;
54 const sal_uInt32 nSysShortDateFormat = pFormatter->GetFormatIndex(NF_DATE_SYSTEM_SHORT, eCurLanguage);
55 if (nDefaultFormat == nSysShortDateFormat)
56 return true;
57 const sal_uInt32 nSysLongDateFormat = pFormatter->GetFormatIndex(NF_DATE_SYSTEM_LONG, eCurLanguage);
58 if (nDefaultFormat == nSysLongDateFormat)
59 return true;
60
61 if ( eCurLanguage != GetAppLanguage() )
62 return false;
63
64 if (nDefaultFormat == pFormatter->GetFormatForLanguageIfBuiltIn(nSysNumFormat, LANGUAGE_SYSTEMLanguageType(0x0000)))
65 return true;
66 if (nDefaultFormat == pFormatter->GetFormatForLanguageIfBuiltIn(nSysShortDateFormat, LANGUAGE_SYSTEMLanguageType(0x0000)))
67 return true;
68 if (nDefaultFormat == pFormatter->GetFormatForLanguageIfBuiltIn(nSysLongDateFormat, LANGUAGE_SYSTEMLanguageType(0x0000)))
69 return true;
70
71 return false;
72}
73
74}
75
76double SwNumFormatBase::GetDefValue(const SvNumFormatType nFormatType)
77{
78 SvxNumValCategory nDefValue = SvxNumValCategory::Standard;
79
80 switch (nFormatType)
81 {
82 case SvNumFormatType::DATE:
83 case SvNumFormatType::DATE|SvNumFormatType::TIME:
84 nDefValue = SvxNumValCategory::Date;
85 break;
86
87 case SvNumFormatType::TIME:
88 nDefValue = SvxNumValCategory::Time;
89 break;
90
91 case SvNumFormatType::TEXT:
92 case SvNumFormatType::UNDEFINED:
93 nDefValue = SvxNumValCategory::Standard;
94 break;
95
96 case SvNumFormatType::CURRENCY:
97 nDefValue = SvxNumValCategory::Currency;
98 break;
99
100 case SvNumFormatType::PERCENT:
101 nDefValue = SvxNumValCategory::Percent;
102 break;
103
104 case SvNumFormatType::LOGICAL:
105 nDefValue = SvxNumValCategory::Boolean;
106 break;
107
108 default:
109 nDefValue = SvxNumValCategory::Standard;
110 break;
111 }
112
113 return fSvxNumValConst[nDefValue];
114}
115
116SwNumFormatBase::SwNumFormatBase()
117 : nStdEntry(0)
118 , nDefFormat(0)
119 , nCurrFormatType(SvNumFormatType::ALL)
120 , bOneArea(false)
121 , mbCurrFormatTypeNeedsInit(true)
122 , bShowLanguageControl(false)
123 , bUseAutomaticLanguage(true)
124{
125}
126
127NumFormatListBox::NumFormatListBox(std::unique_ptr<weld::ComboBox> xControl)
128 : mxControl(std::move(xControl))
129{
130 Init();
131}
132
133SwNumFormatTreeView::SwNumFormatTreeView(std::unique_ptr<weld::TreeView> xControl)
134 : mxControl(std::move(xControl))
135{
136 Init();
137}
138
139void SwNumFormatBase::Init()
140{
141 SwView *pView = GetActiveView();
142
143 if (pView)
144 eCurLanguage = pView->GetWrtShell().GetCurLang();
145 else
146 eCurLanguage = SvtSysLocale().GetLanguageTag().getLanguageType();
147
148 SetFormatType(SvNumFormatType::NUMBER);
149 SetDefFormat(nDefFormat);
150}
151
152void NumFormatListBox::Init()
153{
154 SwNumFormatBase::Init();
155
156 mxControl->connect_changed(LINK(this, NumFormatListBox, SelectHdl)::tools::detail::makeLink( ::tools::detail::castTo<NumFormatListBox
*>(this), &NumFormatListBox::LinkStubSelectHdl));
157}
158
159void SwNumFormatTreeView::Init()
160{
161 SwNumFormatBase::Init();
162
163 mxControl->connect_changed(LINK(this, SwNumFormatTreeView, SelectHdl)::tools::detail::makeLink( ::tools::detail::castTo<SwNumFormatTreeView
*>(this), &SwNumFormatTreeView::LinkStubSelectHdl));
164}
165
166void SwNumFormatBase::SetFormatType(const SvNumFormatType nFormatType)
167{
168 if (!mbCurrFormatTypeNeedsInit &&
169 (nCurrFormatType & nFormatType)) // there are mixed formats, like for example DateTime
170 return;
171
172 SwView *pView = GetActiveView();
173 OSL_ENSURE(pView, "no view found")do { if (true && (!(pView))) { sal_detail_logFormat((
SAL_DETAIL_LOG_LEVEL_WARN), ("legacy.osl"), ("/home/maarten/src/libreoffice/core/sw/source/uibase/utlui/numfmtlb.cxx"
":" "173" ": "), "%s", "no view found"); } } while (false);
174 if(!pView)
175 return;
176 SwWrtShell &rSh = pView->GetWrtShell();
177 SvNumberFormatter* pFormatter = rSh.GetNumberFormatter();
178
179 clear(); // Remove all entries from the Listbox
180
181 NfIndexTableOffset eOffsetStart = NF_NUMBER_START;
182 NfIndexTableOffset eOffsetEnd = NF_NUMBER_START;
183
184 switch( nFormatType )
185 {
186 case SvNumFormatType::NUMBER:
187 eOffsetStart=NF_NUMBER_START;
188 eOffsetEnd=NF_NUMBER_END;
189 break;
190
191 case SvNumFormatType::PERCENT:
192 eOffsetStart=NF_PERCENT_START;
193 eOffsetEnd=NF_PERCENT_END;
194 break;
195
196 case SvNumFormatType::CURRENCY:
197 eOffsetStart=NF_CURRENCY_START;
198 eOffsetEnd=NF_CURRENCY_END;
199 break;
200
201 case SvNumFormatType::DATETIME:
202 eOffsetStart=NF_DATE_START;
203 eOffsetEnd=NF_TIME_END;
204 break;
205
206 case SvNumFormatType::DATE:
207 eOffsetStart=NF_DATE_START;
208 eOffsetEnd=NF_DATE_END;
209 break;
210
211 case SvNumFormatType::TIME:
212 eOffsetStart=NF_TIME_START;
213 eOffsetEnd=NF_TIME_END;
214 break;
215
216 case SvNumFormatType::SCIENTIFIC:
217 eOffsetStart=NF_SCIENTIFIC_START;
218 eOffsetEnd=NF_SCIENTIFIC_END;
219 break;
220
221 case SvNumFormatType::FRACTION:
222 eOffsetStart=NF_FRACTION_START;
223 eOffsetEnd=NF_FRACTION_END;
224 break;
225
226 case SvNumFormatType::LOGICAL:
227 eOffsetStart=NF_BOOLEAN;
228 eOffsetEnd=NF_BOOLEAN;
229 break;
230
231 case SvNumFormatType::TEXT:
232 eOffsetStart=NF_TEXT;
233 eOffsetEnd=NF_TEXT;
234 break;
235
236 case SvNumFormatType::ALL:
237 eOffsetStart=NF_NUMERIC_START;
238 eOffsetEnd = NfIndexTableOffset( NF_INDEX_TABLE_ENTRIES - 1 );
239 break;
240
241 default:
242 OSL_FAIL("what a format?")do { if (true && (((sal_Bool)1))) { sal_detail_logFormat
((SAL_DETAIL_LOG_LEVEL_WARN), ("legacy.osl"), ("/home/maarten/src/libreoffice/core/sw/source/uibase/utlui/numfmtlb.cxx"
":" "242" ": "), "%s", "what a format?"); } } while (false);
243 break;
244 }
245
246 const SvNumberformat* pFormat;
247 sal_Int32 i = 0;
248 const Color* pCol;
249 double fVal = SwNumFormatBase::GetDefValue(nFormatType);
250 OUString sValue;
251
252 const sal_uInt32 nSysNumFormat = pFormatter->GetFormatIndex(
253 NF_NUMBER_SYSTEM, eCurLanguage );
254 const sal_uInt32 nSysShortDateFormat = pFormatter->GetFormatIndex(
255 NF_DATE_SYSTEM_SHORT, eCurLanguage );
256 const sal_uInt32 nSysLongDateFormat = pFormatter->GetFormatIndex(
257 NF_DATE_SYSTEM_LONG, eCurLanguage );
258
259 for( long nIndex = eOffsetStart; nIndex <= eOffsetEnd; ++nIndex )
260 {
261 const sal_uInt32 nFormat = pFormatter->GetFormatIndex(
262 static_cast<NfIndexTableOffset>(nIndex), eCurLanguage );
263 pFormat = pFormatter->GetEntry( nFormat );
264
265 if( nFormat == pFormatter->GetFormatIndex( NF_NUMBER_STANDARD,
266 eCurLanguage )
267 || const_cast<SvNumberformat*>(pFormat)->GetOutputString( fVal, sValue, &pCol )
268 || nFormatType == SvNumFormatType::UNDEFINED )
269 {
270 sValue = pFormat->GetFormatstring();
271 }
272 else if( nFormatType == SvNumFormatType::TEXT )
273 {
274 pFormatter->GetOutputString( "\"ABC\"", nFormat, sValue, &pCol);
275 }
276
277 if (nFormat != nSysNumFormat &&
278 nFormat != nSysShortDateFormat &&
279 nFormat != nSysLongDateFormat)
280 {
281 append(OUString::number(nFormat), sValue);
282
283 if( nFormat == pFormatter->GetStandardFormat(
284 nFormatType, eCurLanguage ) )
285 nStdEntry = i;
286 ++i;
287 }
288 }
289
290 append_text(SwResId(STR_DEFINE_NUMBERFORMATreinterpret_cast<char const *>("STR_DEFINE_NUMBERFORMAT"
"\004" u8"Additional formats...")));
291
292 set_active(nStdEntry);
293
294 nCurrFormatType = nFormatType;
295 mbCurrFormatTypeNeedsInit = false;
296
297}
298
299void SwNumFormatBase::SetDefFormat(const sal_uInt32 nDefaultFormat)
300{
301 if (nDefaultFormat == NUMBERFORMAT_ENTRY_NOT_FOUND)
302 {
303 nDefFormat = nDefaultFormat;
304 return;
305 }
306
307 SwView *pView = GetActiveView();
308 OSL_ENSURE(pView, "no view found")do { if (true && (!(pView))) { sal_detail_logFormat((
SAL_DETAIL_LOG_LEVEL_WARN), ("legacy.osl"), ("/home/maarten/src/libreoffice/core/sw/source/uibase/utlui/numfmtlb.cxx"
":" "308" ": "), "%s", "no view found"); } } while (false);
309 if(!pView)
310 return;
311 SwWrtShell &rSh = pView->GetWrtShell();
312 SvNumberFormatter* pFormatter = rSh.GetNumberFormatter();
313
314 SvNumFormatType nType = pFormatter->GetType(nDefaultFormat);
315
316 SetFormatType(nType);
317
318 sal_uInt32 nFormat = pFormatter->GetFormatForLanguageIfBuiltIn(nDefaultFormat, eCurLanguage);
319
320 for (sal_Int32 i = 0, nCount = get_count(); i < nCount; ++i)
321 {
322 if (nFormat == get_id(i).toUInt32())
323 {
324 set_active(i);
325 nStdEntry = i;
326 nDefFormat = GetFormat();
327 return;
328 }
329 }
330
331 // No entry found:
332 OUString sValue;
333 const Color* pCol = nullptr;
334
335 if (nType == SvNumFormatType::TEXT)
336 {
337 pFormatter->GetOutputString("\"ABC\"", nDefaultFormat, sValue, &pCol);
338 }
339 else
340 {
341 pFormatter->GetOutputString(SwNumFormatBase::GetDefValue(nType), nDefaultFormat, sValue, &pCol);
342 }
343
344 sal_Int32 nPos = 0;
345 while (get_id(nPos).toUInt32() == NUMBERFORMAT_ENTRY_NOT_FOUND)
346 nPos++;
347
348 if ( lcl_isSystemFormat(nDefaultFormat, pFormatter, eCurLanguage) )
349 {
350 sValue += SwResId(RID_STR_SYSTEMreinterpret_cast<char const *>("RID_STR_SYSTEM" "\004" u8"[System]"
));
351 }
352
353 insert_text(nPos, sValue); // Insert as first numeric entry
354 set_id(nPos, OUString::number(nDefaultFormat));
355 set_active(nPos);
356 nDefFormat = GetFormat();
357}
358
359sal_uInt32 NumFormatListBox::GetFormat() const
360{
361 return mxControl->get_active_id().toUInt32();
362}
363
364sal_uInt32 SwNumFormatTreeView::GetFormat() const
365{
366 return mxControl->get_selected_id().toUInt32();
367}
368
369void SwNumFormatBase::CallSelectHdl()
370{
371 const sal_Int32 nPos = get_active();
372 OUString sDefine(SwResId( STR_DEFINE_NUMBERFORMATreinterpret_cast<char const *>("STR_DEFINE_NUMBERFORMAT"
"\004" u8"Additional formats...") ));
373 SwView *pView = GetActiveView();
374
375 if (!pView || nPos != get_count() - 1 || get_text(nPos) != sDefine)
3
←
Assuming 'pView' is non-null
→
4
←
Assuming the condition is false
→
5
←
Taking false branch
→
376 return;
377
378 SwWrtShell &rSh = pView->GetWrtShell();
379 SvNumberFormatter* pFormatter = rSh.GetNumberFormatter();
380
381 SfxItemSet aCoreSet(
382 rSh.GetAttrPool(),
383 svl::Items<
384 SID_ATTR_NUMBERFORMAT_VALUETypedWhichId<SfxUInt32Item>( 10000 + 85 ), SID_ATTR_NUMBERFORMAT_INFOTypedWhichId<SvxNumberInfoItem>( 10000 + 86 ),
385 SID_ATTR_NUMBERFORMAT_ONE_AREA( 10000 + 580 ), SID_ATTR_NUMBERFORMAT_ONE_AREA( 10000 + 580 ),
386 SID_ATTR_NUMBERFORMAT_NOLANGUAGE( 10000 + 700 ),
387 SID_ATTR_NUMBERFORMAT_NOLANGUAGE( 10000 + 700 ),
388 SID_ATTR_NUMBERFORMAT_ADD_AUTO( 10000 + 954 ),
389 SID_ATTR_NUMBERFORMAT_ADD_AUTO( 10000 + 954 )>{});
390
391 double fValue = SwNumFormatBase::GetDefValue(nCurrFormatType);
392
393 sal_uInt32 nFormat = pFormatter->GetStandardFormat( nCurrFormatType, eCurLanguage);
394 aCoreSet.Put( SfxUInt32Item( SID_ATTR_NUMBERFORMAT_VALUETypedWhichId<SfxUInt32Item>( 10000 + 85 ), nFormat ));
395
396 aCoreSet.Put( SvxNumberInfoItem( pFormatter, fValue,
397 SID_ATTR_NUMBERFORMAT_INFOTypedWhichId<SvxNumberInfoItem>( 10000 + 86 ) ) );
398
399 if( (SvNumFormatType::DATE | SvNumFormatType::TIME) & nCurrFormatType )
6
←
Taking false branch
→
400 aCoreSet.Put(SfxBoolItem(SID_ATTR_NUMBERFORMAT_ONE_AREA( 10000 + 580 ), bOneArea));
401
402 aCoreSet.Put(SfxBoolItem(SID_ATTR_NUMBERFORMAT_NOLANGUAGE( 10000 + 700 ), !bShowLanguageControl));
7
←
Assuming field 'bShowLanguageControl' is true
→
403 aCoreSet.Put(SfxBoolItem(SID_ATTR_NUMBERFORMAT_ADD_AUTO( 10000 + 954 ), bUseAutomaticLanguage));
404
405 // force deselect to break mouse lock on selected entry
406 set_active(-1);
407
408 SwAbstractDialogFactory* pFact = SwAbstractDialogFactory::Create();
409 ScopedVclPtr<SfxAbstractDialog> pDlg(pFact->CreateNumFormatDialog(&get_widget(), aCoreSet));
8
←
Calling constructor for 'ScopedVclPtr<SfxAbstractDialog>'
→
15
←
Returning from constructor for 'ScopedVclPtr<SfxAbstractDialog>'
→
16
←
Calling implicit destructor for 'VclPtr<SfxAbstractDialog>'
→
17
←
Calling '~Reference'
→
24
←
Returning from '~Reference'
→
25
←
Returning from destructor for 'VclPtr<SfxAbstractDialog>'
→
410
411 if (RET_OK == pDlg->Execute())
26
←
Calling 'VclPtr::operator->'
→
412 {
413 const SfxPoolItem* pItem = pView->GetDocShell()->
414 GetItem( SID_ATTR_NUMBERFORMAT_INFOTypedWhichId<SvxNumberInfoItem>( 10000 + 86 ) );
415
416 if( pItem )
417 {
418 for ( sal_uInt32 key : static_cast<const SvxNumberInfoItem*>(pItem)->GetDelFormats() )
419 pFormatter->DeleteEntry( key );
420 }
421
422 const SfxItemSet* pOutSet = pDlg->GetOutputItemSet();
423 if( SfxItemState::SET == pOutSet->GetItemState(
424 SID_ATTR_NUMBERFORMAT_VALUETypedWhichId<SfxUInt32Item>( 10000 + 85 ), false, &pItem ))
425 {
426 sal_uInt32 nNumberFormat = static_cast<const SfxUInt32Item*>(pItem)->GetValue();
427 // oj #105473# change order of calls
428 const SvNumberformat* pFormat = pFormatter->GetEntry(nNumberFormat);
429 if( pFormat )
430 eCurLanguage = pFormat->GetLanguage();
431 // SetDefFormat uses eCurLanguage to look for if this format already in the list
432 SetDefFormat(nNumberFormat);
433 }
434 if( bShowLanguageControl && SfxItemState::SET == pOutSet->GetItemState(
435 SID_ATTR_NUMBERFORMAT_ADD_AUTO( 10000 + 954 ), false, &pItem ))
436 {
437 bUseAutomaticLanguage = static_cast<const SfxBoolItem*>(pItem)->GetValue();
438 }
439 }
440 else
441 SetDefFormat(nFormat);
442
443}
444
445IMPL_LINK_NOARG(NumFormatListBox, SelectHdl, weld::ComboBox&, void)void NumFormatListBox::LinkStubSelectHdl(void * instance, weld
::ComboBox& data) { return static_cast<NumFormatListBox
*>(instance)->SelectHdl(data); } void NumFormatListBox
::SelectHdl(__attribute__ ((unused)) weld::ComboBox&)
446{
447 CallSelectHdl();
448}
449
450IMPL_LINK_NOARG(SwNumFormatTreeView, SelectHdl, weld::TreeView&, void)void SwNumFormatTreeView::LinkStubSelectHdl(void * instance, weld
::TreeView& data) { return static_cast<SwNumFormatTreeView
*>(instance)->SelectHdl(data); } void SwNumFormatTreeView
::SelectHdl(__attribute__ ((unused)) weld::TreeView&)
1
Calling 'SwNumFormatTreeView::SelectHdl'
→
451{
452 CallSelectHdl();
2
←
Calling 'SwNumFormatBase::CallSelectHdl'
→
453}
454
455void SwNumFormatBase::clear()
456{
457 mbCurrFormatTypeNeedsInit = true;
458 nCurrFormatType = SvNumFormatType::ALL;
459}
460
461void NumFormatListBox::clear()
462{
463 mxControl->clear();
464 SwNumFormatBase::clear();
465}
466
467void SwNumFormatTreeView::clear()
468{
469 mxControl->clear();
470 SwNumFormatBase::clear();
471}
472
473/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
←

/home/maarten/src/libreoffice/core/include/vcl/vclptr.hxx

→
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#ifndef INCLUDED_VCL_PTR_HXX
21#define INCLUDED_VCL_PTR_HXX
22
23#include <sal/config.h>
24
25#include <rtl/ref.hxx>
26
27#include <utility>
28#include <type_traits>
29
30#ifdef DBG_UTIL
31#ifndef _WIN32
32#include <vcl/vclmain.hxx>
33#endif
34#endif
35
36class VclReferenceBase;
37
38namespace vcl::detail {
39
40template<typename>
41constexpr bool isIncompleteOrDerivedFromVclReferenceBase(...) { return true; }
42
43template<typename T> constexpr bool isIncompleteOrDerivedFromVclReferenceBase(
44 int (*)[sizeof(T)])
45{ return std::is_base_of<VclReferenceBase, T>::value; }
46
47} // namespace vcl::detail
48
49/**
50 * A thin wrapper around rtl::Reference to implement the acquire and dispose semantics we want for references to vcl::Window subclasses.
51 *
52 * For more details on the design please see vcl/README.lifecycle
53 *
54 * @param reference_type must be a subclass of vcl::Window
55 */
56template <class reference_type>
57class VclPtr
58{
59 static_assert(
60 vcl::detail::isIncompleteOrDerivedFromVclReferenceBase<reference_type>(
61 nullptr),
62 "template argument type must be derived from VclReferenceBase");
63
64 ::rtl::Reference<reference_type> m_rInnerRef;
65
66public:
67 /** Constructor...
68 */
69 VclPtr()
70 : m_rInnerRef()
71 {}
72
73 /** Constructor...
74 */
75 VclPtr (reference_type * pBody)
76 : m_rInnerRef(pBody)
77 {}
78
79 /** Constructor... that doesn't take a ref.
80 */
81 VclPtr (reference_type * pBody, __sal_NoAcquire)
82 : m_rInnerRef(pBody, SAL_NO_ACQUIRE)
83 {}
84
85 /** Up-casting conversion constructor: Copies interface reference.
86
87 Does not work for up-casts to ambiguous bases. For the special case of
88 up-casting to Reference< XInterface >, see the corresponding conversion
89 operator.
90
91 @param rRef another reference
92 */
93 template< class derived_type >
94 VclPtr(
95 const VclPtr< derived_type > & rRef,
96 typename std::enable_if<
97 std::is_base_of<reference_type, derived_type>::value, int>::type
98 = 0 )
99 : m_rInnerRef( static_cast<reference_type*>(rRef) )
100 {
101 }
102
103#if defined(DBG_UTIL) && !defined(_WIN32)
104 virtual ~VclPtr()
105 {
106 assert(m_rInnerRef.get() == nullptr || vclmain::isAlive())(static_cast <bool> (m_rInnerRef.get() == nullptr || vclmain
::isAlive()) ? void (0) : __assert_fail ("m_rInnerRef.get() == nullptr || vclmain::isAlive()"
, "/home/maarten/src/libreoffice/core/include/vcl/vclptr.hxx"
, 106, __extension__ __PRETTY_FUNCTION__));
107 // We can be one of the intermediate counts, but if we are the last
108 // VclPtr keeping this object alive, then something forgot to call dispose().
109 assert((!m_rInnerRef.get() || m_rInnerRef->isDisposed() || m_rInnerRef->getRefCount() > 1)(static_cast <bool> ((!m_rInnerRef.get() || m_rInnerRef
->isDisposed() || m_rInnerRef->getRefCount() > 1) &&
"someone forgot to call dispose()") ? void (0) : __assert_fail
("(!m_rInnerRef.get() || m_rInnerRef->isDisposed() || m_rInnerRef->getRefCount() > 1) && \"someone forgot to call dispose()\""
, "/home/maarten/src/libreoffice/core/include/vcl/vclptr.hxx"
, 110, __extension__ __PRETTY_FUNCTION__))
110 && "someone forgot to call dispose()")(static_cast <bool> ((!m_rInnerRef.get() || m_rInnerRef
->isDisposed() || m_rInnerRef->getRefCount() > 1) &&
"someone forgot to call dispose()") ? void (0) : __assert_fail
("(!m_rInnerRef.get() || m_rInnerRef->isDisposed() || m_rInnerRef->getRefCount() > 1) && \"someone forgot to call dispose()\""
, "/home/maarten/src/libreoffice/core/include/vcl/vclptr.hxx"
, 110, __extension__ __PRETTY_FUNCTION__));
111 }
112 VclPtr(VclPtr const &) = default;
113 VclPtr(VclPtr &&) = default;
114 VclPtr & operator =(VclPtr const &) = default;
115 VclPtr & operator =(VclPtr &&) = default;
116#endif
117
118 /**
119 * A construction helper for VclPtr. Since VclPtr types are created
120 * with a reference-count of one - to help fit into the existing
121 * code-flow; this helps us to construct them easily.
122 *
123 * For more details on the design please see vcl/README.lifecycle
124 *
125 * @tparam reference_type must be a subclass of vcl::Window
126 */
127 template<typename... Arg> [[nodiscard]] static VclPtr< reference_type > Create(Arg &&... arg)
128 {
129 return VclPtr< reference_type >( new reference_type(std::forward<Arg>(arg)...), SAL_NO_ACQUIRE );
130 }
131
132 /** Probably most common used: handle->someBodyOp().
133 */
134 reference_type * operator->() const
135 {
136 return m_rInnerRef.get();
27
←
Calling 'Reference::get'
→
137 }
138
139 /** Get the body. Can be used instead of operator->().
140 I.e. handle->someBodyOp() and handle.get()->someBodyOp()
141 are the same.
142 */
143 reference_type * get() const
144 {
145 return m_rInnerRef.get();
146 }
147
148 void set(reference_type *pBody)
149 {
150 m_rInnerRef.set(pBody);
151 }
152
153 void reset(reference_type *pBody)
154 {
155 m_rInnerRef.set(pBody);
156 }
157
158 /** Up-casting copy assignment operator.
159
160 Does not work for up-casts to ambiguous bases.
161
162 @param rRef another reference
163 */
164 template<typename derived_type>
165 typename std::enable_if<
166 std::is_base_of<reference_type, derived_type>::value,
167 VclPtr &>::type
168 operator =(VclPtr<derived_type> const & rRef)
169 {
170 m_rInnerRef.set(rRef.get());
171 return *this;
172 }
173
174 VclPtr & operator =(reference_type * pBody)
175 {
176 m_rInnerRef.set(pBody);
177 return *this;
178 }
179
180 operator reference_type * () const
181 {
182 return m_rInnerRef.get();
183 }
184
185 explicit operator bool () const
186 {
187 return m_rInnerRef.get() != nullptr;
188 }
189
190 void clear()
191 {
192 m_rInnerRef.clear();
193 }
194
195 void reset()
196 {
197 m_rInnerRef.clear();
198 }
199
200 void disposeAndClear()
201 {
202 // hold it alive for the lifetime of this method
203 ::rtl::Reference<reference_type> aTmp(m_rInnerRef);
204 m_rInnerRef.clear(); // we should use some 'swap' method ideally ;-)
205 if (aTmp.get()) {
206 aTmp->disposeOnce();
207 }
208 }
209
210 /** Needed to place VclPtr's into STL collection.
211 */
212 bool operator< (const VclPtr<reference_type> & handle) const
213 {
214 return (m_rInnerRef < handle.m_rInnerRef);
215 }
216}; // class VclPtr
217
218template<typename T1, typename T2>
219inline bool operator ==(VclPtr<T1> const & p1, VclPtr<T2> const & p2) {
220 return p1.get() == p2.get();
221}
222
223template<typename T> inline bool operator ==(VclPtr<T> const & p1, T const * p2)
224{
225 return p1.get() == p2;
226}
227
228template<typename T> inline bool operator ==(VclPtr<T> const & p1, T * p2) {
229 return p1.get() == p2;
230}
231
232template<typename T> inline bool operator ==(T const * p1, VclPtr<T> const & p2)
233{
234 return p1 == p2.get();
235}
236
237template<typename T> inline bool operator ==(T * p1, VclPtr<T> const & p2) {
238 return p1 == p2.get();
239}
240
241template<typename T1, typename T2>
242inline bool operator !=(VclPtr<T1> const & p1, VclPtr<T2> const & p2) {
243 return !(p1 == p2);
244}
245
246template<typename T> inline bool operator !=(VclPtr<T> const & p1, T const * p2)
247{
248 return !(p1 == p2);
249}
250
251template<typename T> inline bool operator !=(VclPtr<T> const & p1, T * p2) {
252 return !(p1 == p2);
253}
254
255template<typename T> inline bool operator !=(T const * p1, VclPtr<T> const & p2)
256{
257 return !(p1 == p2);
258}
259
260template<typename T> inline bool operator !=(T * p1, VclPtr<T> const & p2) {
261 return !(p1 == p2);
262}
263
264/**
265 * A construction helper for a temporary VclPtr. Since VclPtr types
266 * are created with a reference-count of one - to help fit into
267 * the existing code-flow; this helps us to construct them easily.
268 * see also VclPtr::Create and ScopedVclPtr
269 *
270 * For more details on the design please see vcl/README.lifecycle
271 *
272 * @param reference_type must be a subclass of vcl::Window
273 */
274template <class reference_type>
275class SAL_WARN_UNUSED__attribute__((warn_unused)) VclPtrInstance final : public VclPtr<reference_type>
276{
277public:
278 template<typename... Arg> VclPtrInstance(Arg &&... arg)
279 : VclPtr<reference_type>( new reference_type(std::forward<Arg>(arg)...), SAL_NO_ACQUIRE )
280 {
281 }
282
283 /**
284 * Override and disallow this, to prevent people accidentally calling it and actually
285 * getting VclPtr::Create and getting a naked VclPtr<> instance
286 */
287 template<typename... Arg> static VclPtrInstance< reference_type > Create(Arg &&... ) = delete;
288};
289
290template <class reference_type>
291class ScopedVclPtr : public VclPtr<reference_type>
292{
293public:
294 /** Constructor...
295 */
296 ScopedVclPtr()
297 : VclPtr<reference_type>()
298 {}
299
300 /** Constructor
301 */
302 ScopedVclPtr (reference_type * pBody)
303 : VclPtr<reference_type>(pBody)
304 {}
305
306 /** Copy constructor...
307 */
308 ScopedVclPtr (const VclPtr<reference_type> & handle)
309 : VclPtr<reference_type>(handle)
9
←
Calling implicit copy constructor for 'VclPtr<SfxAbstractDialog>'
→
10
←
Calling copy constructor for 'Reference<SfxAbstractDialog>'
→
13
←
Returning from copy constructor for 'Reference<SfxAbstractDialog>'
→
14
←
Returning from copy constructor for 'VclPtr<SfxAbstractDialog>'
→
310 {}
311
312 /**
313 Assignment that releases the last reference.
314 */
315 void disposeAndReset(reference_type *pBody)
316 {
317 if (pBody != this->get()) {
318 VclPtr<reference_type>::disposeAndClear();
319 VclPtr<reference_type>::set(pBody);
320 }
321 }
322
323 /**
324 Assignment that releases the last reference.
325 */
326 ScopedVclPtr<reference_type>& operator = (reference_type * pBody)
327 {
328 disposeAndReset(pBody);
329 return *this;
330 }
331
332 /** Up-casting conversion constructor: Copies interface reference.
333
334 Does not work for up-casts to ambiguous bases. For the special case of
335 up-casting to Reference< XInterface >, see the corresponding conversion
336 operator.
337
338 @param rRef another reference
339 */
340 template< class derived_type >
341 ScopedVclPtr(
342 const VclPtr< derived_type > & rRef,
343 typename std::enable_if<
344 std::is_base_of<reference_type, derived_type>::value, int>::type
345 = 0 )
346 : VclPtr<reference_type>( rRef )
347 {
348 }
349
350 /** Up-casting assignment operator.
351
352 Does not work for up-casts to ambiguous bases.
353
354 @param rRef another VclPtr
355 */
356 template<typename derived_type>
357 typename std::enable_if<
358 std::is_base_of<reference_type, derived_type>::value,
359 ScopedVclPtr &>::type
360 operator =(VclPtr<derived_type> const & rRef)
361 {
362 disposeAndReset(rRef.get());
363 return *this;
364 }
365
366 /**
367 * Override and disallow this, to prevent people accidentally calling it and actually
368 * getting VclPtr::Create and getting a naked VclPtr<> instance
369 */
370 template<typename... Arg> static ScopedVclPtr< reference_type > Create(Arg &&... ) = delete;
371
372 ~ScopedVclPtr()
373 {
374 VclPtr<reference_type>::disposeAndClear();
375 assert(VclPtr<reference_type>::get() == nullptr)(static_cast <bool> (VclPtr<reference_type>::get(
) == nullptr) ? void (0) : __assert_fail ("VclPtr<reference_type>::get() == nullptr"
, "/home/maarten/src/libreoffice/core/include/vcl/vclptr.hxx"
, 375, __extension__ __PRETTY_FUNCTION__)); // make sure there are no lingering references
376 }
377
378private:
379 // Most likely we don't want this default copy-constructor.
380 ScopedVclPtr (const ScopedVclPtr<reference_type> &) = delete;
381 // And certainly we don't want a default assignment operator.
382 ScopedVclPtr<reference_type>& operator = (const ScopedVclPtr<reference_type> &) = delete;
383 // And disallow reset as that doesn't call disposeAndClear on the original reference
384 void reset() = delete;
385 void reset(reference_type *pBody) = delete;
386
387protected:
388 ScopedVclPtr (reference_type * pBody, __sal_NoAcquire)
389 : VclPtr<reference_type>(pBody, SAL_NO_ACQUIRE)
390 {}
391};
392
393/**
394 * A construction helper for ScopedVclPtr. Since VclPtr types are created
395 * with a reference-count of one - to help fit into the existing
396 * code-flow; this helps us to construct them easily.
397 *
398 * For more details on the design please see vcl/README.lifecycle
399 *
400 * @param reference_type must be a subclass of vcl::Window
401 */
402#if defined _MSC_VER
403#pragma warning(push)
404#pragma warning(disable: 4521) // " multiple copy constructors specified"
405#endif
406template <class reference_type>
407class SAL_WARN_UNUSED__attribute__((warn_unused)) ScopedVclPtrInstance final : public ScopedVclPtr<reference_type>
408{
409public:
410 template<typename... Arg> ScopedVclPtrInstance(Arg &&... arg)
411 : ScopedVclPtr<reference_type>( new reference_type(std::forward<Arg>(arg)...), SAL_NO_ACQUIRE )
412 {
413 }
414
415 /**
416 * Override and disallow this, to prevent people accidentally calling it and actually
417 * getting VclPtr::Create and getting a naked VclPtr<> instance
418 */
419 template<typename... Arg> static ScopedVclPtrInstance< reference_type > Create(Arg &&...) = delete;
420
421private:
422 // Prevent the above perfect forwarding ctor from hijacking (accidental)
423 // attempts at ScopedVclPtrInstance copy construction (where the hijacking
424 // would typically lead to somewhat obscure error messages); both non-const
425 // and const variants are needed here, as the ScopedVclPtr base class has a
426 // const--variant copy ctor, so the implicitly declared copy ctor for
427 // ScopedVclPtrInstance would also be the const variant, so non-const copy
428 // construction attempts would be hijacked by the perfect forwarding ctor;
429 // but if we only declared a non-const variant here, the const variant would
430 // no longer be implicitly declared (as there would already be an explicitly
431 // declared copy ctor), so const copy construction attempts would then be
432 // hijacked by the perfect forwarding ctor:
433 ScopedVclPtrInstance(ScopedVclPtrInstance &) = delete;
434 ScopedVclPtrInstance(ScopedVclPtrInstance const &) = delete;
435};
436#if defined _MSC_VER
437#pragma warning(pop)
438#endif
439
440#endif // INCLUDED_VCL_PTR_HXX
441
442/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
←

/home/maarten/src/libreoffice/core/include/rtl/ref.hxx

→
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#ifndef INCLUDED_RTL_REF_HXX
21#define INCLUDED_RTL_REF_HXX
22
23#include "sal/config.h"
24
25#include <cassert>
26#include <cstddef>
27#include <functional>
28#ifdef LIBO_INTERNAL_ONLY1
29#include <type_traits>
30#endif
31
32#include "sal/types.h"
33
34namespace rtl
35{
36
37/** Template reference class for reference type.
38*/
39template <class reference_type>
40class Reference
41{
42 /** The <b>reference_type</b> body pointer.
43 */
44 reference_type * m_pBody;
45
46
47public:
48 /** Constructor...
49 */
50 Reference()
51 : m_pBody (NULL__null)
52 {}
53
54
55 /** Constructor...
56 */
57 Reference (reference_type * pBody, __sal_NoAcquire)
58 : m_pBody (pBody)
59 {
60 }
61
62 /** Constructor...
63 */
64 Reference (reference_type * pBody)
65 : m_pBody (pBody)
66 {
67 if (m_pBody)
68 m_pBody->acquire();
69 }
70
71 /** Copy constructor...
72 */
73 Reference (const Reference<reference_type> & handle)
74 : m_pBody (handle.m_pBody)
75 {
76 if (m_pBody)
11
←
Assuming field 'm_pBody' is non-null
→
12
←
Taking true branch
→
77 m_pBody->acquire();
78 }
79
80#ifdef LIBO_INTERNAL_ONLY1
81 /** Move constructor...
82 */
83 Reference (Reference<reference_type> && handle) noexcept
84 : m_pBody (handle.m_pBody)
85 {
86 handle.m_pBody = nullptr;
87 }
88#endif
89
90#if defined LIBO_INTERNAL_ONLY1
91 /** Up-casting conversion constructor: Copies interface reference.
92
93 Does not work for up-casts to ambiguous bases.
94
95 @param rRef another reference
96 */
97 template< class derived_type >
98 inline Reference(
99 const Reference< derived_type > & rRef,
100 std::enable_if_t<std::is_base_of_v<reference_type, derived_type>, int> = 0 )
101 : m_pBody (rRef.get())
102 {
103 if (m_pBody)
104 m_pBody->acquire();
105 }
106#endif
107
108 /** Destructor...
109 */
110 ~Reference() COVERITY_NOEXCEPT_FALSE
111 {
112 if (m_pBody
17.1
Field 'm_pBody' is non-null
17.1
Field 'm_pBody' is non-null
17.1
Field 'm_pBody' is non-null
17.1
Field 'm_pBody' is non-null
)
18
←
Taking true branch
→
113 m_pBody->release();
19
←
Calling 'VclReferenceBase::release'
→
23
←
Returning; memory was released
→
114 }
115
116 /** Set...
117 Similar to assignment.
118 */
119 Reference<reference_type> &
120 SAL_CALL set (reference_type * pBody)
121 {
122 if (pBody)
123 pBody->acquire();
124 reference_type * const pOld = m_pBody;
125 m_pBody = pBody;
126 if (pOld)
127 pOld->release();
128 return *this;
129 }
130
131 /** Assignment.
132 Unbinds this instance from its body (if bound) and
133 bind it to the body represented by the handle.
134 */
135 Reference<reference_type> &
136 SAL_CALL operator= (const Reference<reference_type> & handle)
137 {
138 return set( handle.m_pBody );
139 }
140
141#ifdef LIBO_INTERNAL_ONLY1
142 /** Assignment.
143 * Unbinds this instance from its body (if bound),
144 * bind it to the body represented by the handle, and
145 * set the body represented by the handle to nullptr.
146 */
147 Reference<reference_type> &
148 operator= (Reference<reference_type> && handle)
149 {
150 // self-movement guts ourself
151 if (m_pBody)
152 m_pBody->release();
153 m_pBody = handle.m_pBody;
154 handle.m_pBody = nullptr;
155 return *this;
156 }
157#endif
158
159 /** Assignment...
160 */
161 Reference<reference_type> &
162 SAL_CALL operator= (reference_type * pBody)
163 {
164 return set( pBody );
165 }
166
167 /** Unbind the body from this handle.
168 Note that for a handle representing a large body,
169 "handle.clear().set(new body());" _might_
170 perform a little bit better than "handle.set(new body());",
171 since in the second case two large objects exist in memory
172 (the old body and the new body).
173 */
174 Reference<reference_type> & SAL_CALL clear()
175 {
176 if (m_pBody)
177 {
178 reference_type * const pOld = m_pBody;
179 m_pBody = NULL__null;
180 pOld->release();
181 }
182 return *this;
183 }
184
185
186 /** Get the body. Can be used instead of operator->().
187 I.e. handle->someBodyOp() and handle.get()->someBodyOp()
188 are the same.
189 */
190 reference_type * SAL_CALL get() const
191 {
192 return m_pBody;
28
←
Use of memory after it is freed
193 }
194
195
196 /** Probably most common used: handle->someBodyOp().
197 */
198 reference_type * SAL_CALL operator->() const
199 {
200 assert(m_pBody != NULL)(static_cast <bool> (m_pBody != __null) ? void (0) : __assert_fail
("m_pBody != NULL", "/home/maarten/src/libreoffice/core/include/rtl/ref.hxx"
, 200, __extension__ __PRETTY_FUNCTION__));
201 return m_pBody;
202 }
203
204
205 /** Allows (*handle).someBodyOp().
206 */
207 reference_type & SAL_CALL operator*() const
208 {
209 assert(m_pBody != NULL)(static_cast <bool> (m_pBody != __null) ? void (0) : __assert_fail
("m_pBody != NULL", "/home/maarten/src/libreoffice/core/include/rtl/ref.hxx"
, 209, __extension__ __PRETTY_FUNCTION__));
210 return *m_pBody;
211 }
212
213
214 /** Returns True if the handle does point to a valid body.
215 */
216 bool SAL_CALL is() const
217 {
218 return (m_pBody != NULL__null);
219 }
220
221#if defined LIBO_INTERNAL_ONLY1
222 /** Returns True if the handle does point to a valid body.
223 */
224 explicit operator bool() const
225 {
226 return is();
227 }
228#endif
229
230 /** Returns True if this points to pBody.
231 */
232 bool SAL_CALL operator== (const reference_type * pBody) const
233 {
234 return (m_pBody == pBody);
235 }
236
237
238 /** Returns True if handle points to the same body.
239 */
240 bool
241 SAL_CALL operator== (const Reference<reference_type> & handle) const
242 {
243 return (m_pBody == handle.m_pBody);
244 }
245
246
247 /** Needed to place References into STL collection.
248 */
249 bool
250 SAL_CALL operator!= (const Reference<reference_type> & handle) const
251 {
252 return (m_pBody != handle.m_pBody);
253 }
254
255
256 /** Needed to place References into STL collection.
257 */
258 bool
259 SAL_CALL operator< (const Reference<reference_type> & handle) const
260 {
261 return (m_pBody < handle.m_pBody);
262 }
263
264
265 /** Needed to place References into STL collection.
266 */
267 bool
268 SAL_CALL operator> (const Reference<reference_type> & handle) const
269 {
270 return (m_pBody > handle.m_pBody);
271 }
272};
273
274} // namespace rtl
275
276#if defined LIBO_INTERNAL_ONLY1
277namespace std
278{
279
280/// @cond INTERNAL
281/**
282 Make rtl::Reference hashable by default for use in STL containers.
283
284 @since LibreOffice 6.3
285*/
286template<typename T>
287struct hash<::rtl::Reference<T>>
288{
289 std::size_t operator()(::rtl::Reference<T> const & s) const
290 { return std::size_t(s.get()); }
291};
292/// @endcond
293
294}
295
296#endif
297
298#endif /* ! INCLUDED_RTL_REF_HXX */
299
300/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
←

/home/maarten/src/libreoffice/core/include/vcl/vclreferencebase.hxx

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#ifndef INCLUDED_VCL_Reference_HXX
20#define INCLUDED_VCL_Reference_HXX
21
22#include <vcl/dllapi.h>
23#include <osl/interlck.h>
24
25class VCL_DLLPUBLIC__attribute__ ((visibility("default"))) VclReferenceBase
26{
27 mutable oslInterlockedCount mnRefCnt;
28
29 template<typename T> friend class VclPtr;
30
31public:
32 void acquire() const
33 {
34 osl_atomic_increment(&mnRefCnt)__sync_add_and_fetch((&mnRefCnt), 1);
35 }
36
37 void release() const
38 {
39 if (osl_atomic_decrement(&mnRefCnt)__sync_sub_and_fetch((&mnRefCnt), 1) == 0)
20
←
Assuming the condition is true
→
21
←
Taking true branch
→
40 delete this;
22
←
Memory is released
→
41 }
42#ifdef DBG_UTIL
43#ifndef _WIN32
44 sal_Int32 getRefCount() const { return mnRefCnt; }
45#endif
46#endif
47
48
49private:
50 VclReferenceBase(const VclReferenceBase&) = delete;
51 VclReferenceBase& operator=(const VclReferenceBase&) = delete;
52
53 bool mbDisposed : 1;
54
55protected:
56 VclReferenceBase();
57protected:
58 virtual ~VclReferenceBase();
59
60protected:
61 virtual void dispose();
62
63public:
64 void disposeOnce();
65 bool isDisposed() const { return mbDisposed; }
66
67};
68#endif