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 DocumentDeviceManager.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/core/doc/DocumentDeviceManager.cxx

/home/maarten/src/libreoffice/core/sw/source/core/doc/DocumentDeviceManager.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 <DocumentDeviceManager.hxx>
21
22#include <memory>
23#include <utility>
24
25#include <doc.hxx>
26#include <DocumentSettingManager.hxx>
27#include <IDocumentDrawModelAccess.hxx>
28#include <IDocumentState.hxx>
29#include <IDocumentLayoutAccess.hxx>
30#include <sfx2/printer.hxx>
31#include <vcl/virdev.hxx>
32#include <vcl/outdev.hxx>
33#include <vcl/jobset.hxx>
34#include <printdata.hxx>
35#include <vcl/mapmod.hxx>
36#include <svl/itemset.hxx>
37#include <cfgitems.hxx>
38#include <cmdid.h>
39#include <drawdoc.hxx>
40#include <wdocsh.hxx>
41#include <prtopt.hxx>
42#include <viewsh.hxx>
43#include <rootfrm.hxx>
44#include <viewopt.hxx>
45#include <swwait.hxx>
46#include <fntcache.hxx>
47
48class SwDocShell;
49class SwWait;
50
51namespace sw {
52
53DocumentDeviceManager::DocumentDeviceManager( SwDoc& i_rSwdoc ) : m_rDoc( i_rSwdoc ), mpPrt(nullptr), mpVirDev(nullptr) {}
54
55SfxPrinter* DocumentDeviceManager::getPrinter(/*[in]*/ bool bCreate ) const
56{
57 SfxPrinter* pRet = nullptr;
58 if ( !bCreate || mpPrt )
59 pRet = mpPrt;
60 else
61 pRet = &CreatePrinter_();
62
63 return pRet;
64}
65
66void DocumentDeviceManager::setPrinter(/*[in]*/ SfxPrinter *pP,/*[in]*/ bool bDeleteOld,/*[in]*/ bool bCallPrtDataChanged )
67{
68 assert ( !pP || !pP->isDisposed() )(static_cast <bool> (!pP || !pP->isDisposed()) ? void
(0) : __assert_fail ("!pP || !pP->isDisposed()", "/home/maarten/src/libreoffice/core/sw/source/core/doc/DocumentDeviceManager.cxx"
, 68, __extension__ __PRETTY_FUNCTION__))
;
69 if ( pP != mpPrt )
70 {
71 if ( bDeleteOld )
72 mpPrt.disposeAndClear();
73 mpPrt = pP;
74
75 // our printer should always use TWIP. Don't rely on this being set in SwViewShell::InitPrt, there
76 // are situations where this isn't called. #i108712#
77 if ( mpPrt )
78 {
79 MapMode aMapMode( mpPrt->GetMapMode() );
80 aMapMode.SetMapUnit( MapUnit::MapTwip );
81 mpPrt->SetMapMode( aMapMode );
82 }
83
84 if ( m_rDoc.getIDocumentDrawModelAccess().GetDrawModel() && !m_rDoc.GetDocumentSettingManager().get( DocumentSettingId::USE_VIRTUAL_DEVICE ) )
85 m_rDoc.getIDocumentDrawModelAccess().GetDrawModel()->SetRefDevice( mpPrt );
86 }
87
88 if ( bCallPrtDataChanged &&
89 // #i41075# Do not call PrtDataChanged() if we do not
90 // use the printer for formatting:
91 !m_rDoc.GetDocumentSettingManager().get(DocumentSettingId::USE_VIRTUAL_DEVICE) )
92 PrtDataChanged();
93}
94
95VirtualDevice* DocumentDeviceManager::getVirtualDevice(/*[in]*/ bool bCreate ) const
96{
97 VirtualDevice* pRet = nullptr;
98 if ( !bCreate || mpVirDev )
99 pRet = mpVirDev;
100 else
101 pRet = &CreateVirtualDevice_();
102
103 assert ( !pRet || !pRet->isDisposed() )(static_cast <bool> (!pRet || !pRet->isDisposed()) ?
void (0) : __assert_fail ("!pRet || !pRet->isDisposed()",
"/home/maarten/src/libreoffice/core/sw/source/core/doc/DocumentDeviceManager.cxx"
, 103, __extension__ __PRETTY_FUNCTION__))
;
104
105 return pRet;
106}
107
108void DocumentDeviceManager::setVirtualDevice(/*[in]*/ VirtualDevice* pVd )
109{
110 assert ( !pVd->isDisposed() )(static_cast <bool> (!pVd->isDisposed()) ? void (0) :
__assert_fail ("!pVd->isDisposed()", "/home/maarten/src/libreoffice/core/sw/source/core/doc/DocumentDeviceManager.cxx"
, 110, __extension__ __PRETTY_FUNCTION__))
;
111
112 if ( mpVirDev.get() != pVd )
113 {
114 mpVirDev.disposeAndClear();
115 mpVirDev = pVd;
116
117 if ( m_rDoc.getIDocumentDrawModelAccess().GetDrawModel() && m_rDoc.GetDocumentSettingManager().get( DocumentSettingId::USE_VIRTUAL_DEVICE ) )
118 m_rDoc.getIDocumentDrawModelAccess().GetDrawModel()->SetRefDevice( mpVirDev );
119 }
120}
121
122OutputDevice* DocumentDeviceManager::getReferenceDevice(/*[in]*/ bool bCreate ) const
123{
124 OutputDevice* pRet = nullptr;
125 if ( !m_rDoc.GetDocumentSettingManager().get(DocumentSettingId::USE_VIRTUAL_DEVICE) )
126 {
127 pRet = getPrinter( bCreate );
128
129 if ( bCreate && !mpPrt->IsValid() )
130 {
131 pRet = getVirtualDevice( true );
132 }
133 }
134 else
135 {
136 pRet = getVirtualDevice( bCreate );
137 }
138
139 assert ( !pRet || !pRet->isDisposed() )(static_cast <bool> (!pRet || !pRet->isDisposed()) ?
void (0) : __assert_fail ("!pRet || !pRet->isDisposed()",
"/home/maarten/src/libreoffice/core/sw/source/core/doc/DocumentDeviceManager.cxx"
, 139, __extension__ __PRETTY_FUNCTION__))
;
140
141 return pRet;
142}
143
144void DocumentDeviceManager::setReferenceDeviceType(/*[in]*/ bool bNewVirtual, /*[in]*/ bool bNewHiRes )
145{
146 if ( m_rDoc.GetDocumentSettingManager().get(DocumentSettingId::USE_VIRTUAL_DEVICE) == bNewVirtual &&
147 m_rDoc.GetDocumentSettingManager().get(DocumentSettingId::USE_HIRES_VIRTUAL_DEVICE) == bNewHiRes )
148 return;
149
150 if ( bNewVirtual )
151 {
152 VirtualDevice* pMyVirDev = getVirtualDevice( true );
153 if ( !bNewHiRes )
154 pMyVirDev->SetReferenceDevice( VirtualDevice::RefDevMode::Dpi600 );
155 else
156 pMyVirDev->SetReferenceDevice( VirtualDevice::RefDevMode::MSO1 );
157
158 if( m_rDoc.getIDocumentDrawModelAccess().GetDrawModel() )
159 m_rDoc.getIDocumentDrawModelAccess().GetDrawModel()->SetRefDevice( pMyVirDev );
160 }
161 else
162 {
163 // #i41075#
164 // We have to take care that a printer exists before calling
165 // PrtDataChanged() in order to prevent that PrtDataChanged()
166 // triggers this funny situation:
167 // getReferenceDevice()->getPrinter()->CreatePrinter_()
168 // ->setPrinter()-> PrtDataChanged()
169 SfxPrinter* pPrinter = getPrinter( true );
170 if( m_rDoc.getIDocumentDrawModelAccess().GetDrawModel() )
171 m_rDoc.getIDocumentDrawModelAccess().GetDrawModel()->SetRefDevice( pPrinter );
172 }
173
174 m_rDoc.GetDocumentSettingManager().set(DocumentSettingId::USE_VIRTUAL_DEVICE, bNewVirtual );
175 m_rDoc.GetDocumentSettingManager().set(DocumentSettingId::USE_HIRES_VIRTUAL_DEVICE, bNewHiRes );
176 PrtDataChanged();
177 m_rDoc.getIDocumentState().SetModified();
178}
179
180const JobSetup* DocumentDeviceManager::getJobsetup() const
181{
182 return mpPrt ? &mpPrt->GetJobSetup() : nullptr;
183}
184
185void DocumentDeviceManager::setJobsetup(/*[in]*/ const JobSetup &rJobSetup )
186{
187 bool bCheckPageDescs = !mpPrt;
188 bool bDataChanged = false;
189
190 if ( mpPrt )
191 {
192 if ( mpPrt->GetName() == rJobSetup.GetPrinterName() )
193 {
194 if ( mpPrt->GetJobSetup() != rJobSetup )
195 {
196 mpPrt->SetJobSetup( rJobSetup );
197 bDataChanged = true;
198 }
199 }
200 else
201 mpPrt.disposeAndClear();
202 }
203
204 if( !mpPrt )
205 {
206 //The ItemSet is deleted by Sfx!
207 auto pSet = std::make_unique<SfxItemSet>(
208 m_rDoc.GetAttrPool(),
209 svl::Items<
210 SID_PRINTER_NOTFOUND_WARN(5000 + 320), SID_PRINTER_NOTFOUND_WARN(5000 + 320),
211 SID_PRINTER_CHANGESTODOC(5000 + 324), SID_PRINTER_CHANGESTODOC(5000 + 324),
212 SID_HTML_MODE(10000 + 414), SID_HTML_MODE(10000 + 414),
213 FN_PARAM_ADDPRINTER((20000 + 1100)+18), FN_PARAM_ADDPRINTER((20000 + 1100)+18)>{});
214 VclPtr<SfxPrinter> p = VclPtr<SfxPrinter>::Create( std::move(pSet), rJobSetup );
215 if ( bCheckPageDescs )
216 setPrinter( p, true, true );
217 else
218 {
219 mpPrt = p;
220 bDataChanged = true;
221 }
222 }
223 if ( bDataChanged && !m_rDoc.GetDocumentSettingManager().get(DocumentSettingId::USE_VIRTUAL_DEVICE) )
224 PrtDataChanged();
225}
226
227const SwPrintData & DocumentDeviceManager::getPrintData() const
228{
229 if(!mpPrtData)
230 {
231 DocumentDeviceManager * pThis = const_cast< DocumentDeviceManager * >(this);
232 pThis->mpPrtData.reset(new SwPrintData);
233
234 // SwPrintData should be initialized from the configuration,
235 // the respective config item is implemented by SwPrintOptions which
236 // is also derived from SwPrintData
237 const SwDocShell *pDocSh = m_rDoc.GetDocShell();
238 OSL_ENSURE( pDocSh, "pDocSh is 0, can't determine if this is a WebDoc or not" )do { if (true && (!(pDocSh))) { sal_detail_logFormat(
(SAL_DETAIL_LOG_LEVEL_WARN), ("legacy.osl"), ("/home/maarten/src/libreoffice/core/sw/source/core/doc/DocumentDeviceManager.cxx"
":" "238" ": "), "%s", "pDocSh is 0, can't determine if this is a WebDoc or not"
); } } while (false)
;
239 bool bWeb = dynamic_cast< const SwWebDocShell * >(pDocSh) != nullptr;
240 SwPrintOptions aPrintOptions( bWeb );
241 *pThis->mpPrtData = aPrintOptions;
242 }
243 return *mpPrtData;
244}
245
246void DocumentDeviceManager::setPrintData(/*[in]*/ const SwPrintData& rPrtData )
247{
248 if(!mpPrtData)
249 mpPrtData.reset(new SwPrintData);
250 *mpPrtData = rPrtData;
251}
252
253DocumentDeviceManager::~DocumentDeviceManager()
254{
255 mpPrtData.reset();
256 mpVirDev.disposeAndClear();
257 mpPrt.disposeAndClear();
1
Calling 'VclPtr::disposeAndClear'
258}
259
260VirtualDevice& DocumentDeviceManager::CreateVirtualDevice_() const
261{
262#ifdef IOS
263 VclPtr<VirtualDevice> pNewVir = VclPtr<VirtualDevice>::Create(DeviceFormat::GRAYSCALE);
264#else
265 VclPtr<VirtualDevice> pNewVir = VclPtr<VirtualDevice>::Create(DeviceFormat::BITMASK);
266#endif
267
268 pNewVir->SetReferenceDevice( VirtualDevice::RefDevMode::MSO1 );
269
270 // #i60945# External leading compatibility for unix systems.
271 if ( m_rDoc.GetDocumentSettingManager().get(DocumentSettingId::UNIX_FORCE_ZERO_EXT_LEADING ) )
272 pNewVir->Compat_ZeroExtleadBug();
273
274 MapMode aMapMode( pNewVir->GetMapMode() );
275 aMapMode.SetMapUnit( MapUnit::MapTwip );
276 pNewVir->SetMapMode( aMapMode );
277
278 const_cast<DocumentDeviceManager*>(this)->setVirtualDevice( pNewVir );
279 return *mpVirDev;
280}
281
282SfxPrinter& DocumentDeviceManager::CreatePrinter_() const
283{
284 OSL_ENSURE( ! mpPrt, "Do not call CreatePrinter_(), call getPrinter() instead" )do { if (true && (!(! mpPrt))) { sal_detail_logFormat
((SAL_DETAIL_LOG_LEVEL_WARN), ("legacy.osl"), ("/home/maarten/src/libreoffice/core/sw/source/core/doc/DocumentDeviceManager.cxx"
":" "284" ": "), "%s", "Do not call CreatePrinter_(), call getPrinter() instead"
); } } while (false)
;
285
286#if OSL_DEBUG_LEVEL1 > 1
287 SAL_INFO("sw", "Printer will be created!" )do { if (true) { switch (sal_detail_log_report(::SAL_DETAIL_LOG_LEVEL_INFO
, "sw")) { case SAL_DETAIL_LOG_ACTION_IGNORE: break; case SAL_DETAIL_LOG_ACTION_LOG
: if (sizeof ::sal::detail::getResult( ::sal::detail::StreamStart
() << "Printer will be created!") == 1) { ::sal_detail_log
( (::SAL_DETAIL_LOG_LEVEL_INFO), ("sw"), ("/home/maarten/src/libreoffice/core/sw/source/core/doc/DocumentDeviceManager.cxx"
":" "287" ": "), ::sal::detail::unwrapStream( ::sal::detail::
StreamStart() << "Printer will be created!"), 0); } else
{ ::std::ostringstream sal_detail_stream; sal_detail_stream <<
"Printer will be created!"; ::sal::detail::log( (::SAL_DETAIL_LOG_LEVEL_INFO
), ("sw"), ("/home/maarten/src/libreoffice/core/sw/source/core/doc/DocumentDeviceManager.cxx"
":" "287" ": "), sal_detail_stream, 0); }; break; case SAL_DETAIL_LOG_ACTION_FATAL
: if (sizeof ::sal::detail::getResult( ::sal::detail::StreamStart
() << "Printer will be created!") == 1) { ::sal_detail_log
( (::SAL_DETAIL_LOG_LEVEL_INFO), ("sw"), ("/home/maarten/src/libreoffice/core/sw/source/core/doc/DocumentDeviceManager.cxx"
":" "287" ": "), ::sal::detail::unwrapStream( ::sal::detail::
StreamStart() << "Printer will be created!"), 0); } else
{ ::std::ostringstream sal_detail_stream; sal_detail_stream <<
"Printer will be created!"; ::sal::detail::log( (::SAL_DETAIL_LOG_LEVEL_INFO
), ("sw"), ("/home/maarten/src/libreoffice/core/sw/source/core/doc/DocumentDeviceManager.cxx"
":" "287" ": "), sal_detail_stream, 0); }; std::abort(); break
; } } } while (false)
;
288#endif
289
290 // We create a default SfxPrinter.
291 // The ItemSet is deleted by Sfx!
292 auto pSet = std::make_unique<SfxItemSet>(
293 m_rDoc.GetAttrPool(),
294 svl::Items<
295 SID_PRINTER_NOTFOUND_WARN(5000 + 320), SID_PRINTER_NOTFOUND_WARN(5000 + 320),
296 SID_PRINTER_CHANGESTODOC(5000 + 324), SID_PRINTER_CHANGESTODOC(5000 + 324),
297 SID_HTML_MODE(10000 + 414), SID_HTML_MODE(10000 + 414),
298 FN_PARAM_ADDPRINTER((20000 + 1100)+18), FN_PARAM_ADDPRINTER((20000 + 1100)+18)>{});
299
300 VclPtr<SfxPrinter> pNewPrt = VclPtr<SfxPrinter>::Create( std::move(pSet) );
301
302 // assign PrintData to newly created printer
303 const SwPrintData& rPrtData = getPrintData();
304 SwAddPrinterItem aAddPrinterItem(rPrtData);
305 SfxItemSet aOptions(pNewPrt->GetOptions());
306 aOptions.Put(aAddPrinterItem);
307 pNewPrt->SetOptions(aOptions);
308
309 const_cast<DocumentDeviceManager*>(this)->setPrinter( pNewPrt, true, true );
310 return *mpPrt;
311}
312
313void DocumentDeviceManager::PrtDataChanged()
314{
315// If you change this, also modify InJobSetup in Sw3io if appropriate.
316
317 // #i41075#
318 OSL_ENSURE( m_rDoc.getIDocumentSettingAccess().get(DocumentSettingId::USE_VIRTUAL_DEVICE) ||do { if (true && (!(m_rDoc.getIDocumentSettingAccess(
).get(DocumentSettingId::USE_VIRTUAL_DEVICE) || nullptr != getPrinter
( false )))) { sal_detail_logFormat((SAL_DETAIL_LOG_LEVEL_WARN
), ("legacy.osl"), ("/home/maarten/src/libreoffice/core/sw/source/core/doc/DocumentDeviceManager.cxx"
":" "319" ": "), "%s", "PrtDataChanged will be called recursively!"
); } } while (false)
319 nullptr != getPrinter( false ), "PrtDataChanged will be called recursively!" )do { if (true && (!(m_rDoc.getIDocumentSettingAccess(
).get(DocumentSettingId::USE_VIRTUAL_DEVICE) || nullptr != getPrinter
( false )))) { sal_detail_logFormat((SAL_DETAIL_LOG_LEVEL_WARN
), ("legacy.osl"), ("/home/maarten/src/libreoffice/core/sw/source/core/doc/DocumentDeviceManager.cxx"
":" "319" ": "), "%s", "PrtDataChanged will be called recursively!"
); } } while (false)
;
320 SwRootFrame* pTmpRoot = m_rDoc.getIDocumentLayoutAccess().GetCurrentLayout();
321 std::unique_ptr<SwWait> pWait;
322 bool bEndAction = false;
323
324 if( m_rDoc.GetDocShell() )
325 m_rDoc.GetDocShell()->UpdateFontList();
326
327 bool bDraw = true;
328 if ( pTmpRoot )
329 {
330 SwViewShell *pSh = m_rDoc.getIDocumentLayoutAccess().GetCurrentViewShell();
331 if( pSh &&
332 (!pSh->GetViewOptions()->getBrowseMode() ||
333 pSh->GetViewOptions()->IsPrtFormat()) )
334 {
335 if ( m_rDoc.GetDocShell() )
336 pWait.reset(new SwWait( *m_rDoc.GetDocShell(), true ));
337
338 pTmpRoot->StartAllAction();
339 bEndAction = true;
340
341 bDraw = false;
342 if( m_rDoc.getIDocumentDrawModelAccess().GetDrawModel() )
343 {
344 m_rDoc.getIDocumentDrawModelAccess().GetDrawModel()->SetAddExtLeading( m_rDoc.GetDocumentSettingManager().get(DocumentSettingId::ADD_EXT_LEADING) );
345 m_rDoc.getIDocumentDrawModelAccess().GetDrawModel()->SetRefDevice( getReferenceDevice( false ) );
346 }
347
348 pFntCache->Flush();
349
350 for(SwRootFrame* aLayout : m_rDoc.GetAllLayouts())
351 aLayout->InvalidateAllContent(SwInvalidateFlags::Size);
352
353 for(SwViewShell& rShell : pSh->GetRingContainer())
354 rShell.InitPrt(getPrinter(false));
355 }
356 }
357 if ( bDraw && m_rDoc.getIDocumentDrawModelAccess().GetDrawModel() )
358 {
359 const bool bTmpAddExtLeading = m_rDoc.GetDocumentSettingManager().get(DocumentSettingId::ADD_EXT_LEADING);
360 if ( bTmpAddExtLeading != m_rDoc.getIDocumentDrawModelAccess().GetDrawModel()->IsAddExtLeading() )
361 m_rDoc.getIDocumentDrawModelAccess().GetDrawModel()->SetAddExtLeading( bTmpAddExtLeading );
362
363 OutputDevice* pOutDev = getReferenceDevice( false );
364 if ( pOutDev != m_rDoc.getIDocumentDrawModelAccess().GetDrawModel()->GetRefDevice() )
365 m_rDoc.getIDocumentDrawModelAccess().GetDrawModel()->SetRefDevice( pOutDev );
366 }
367
368 m_rDoc.PrtOLENotify( true );
369
370 if ( bEndAction )
371 pTmpRoot->EndAllAction();
372}
373
374}
375
376/* 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();
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);
2
Calling copy constructor for 'Reference<SfxPrinter>'
5
Returning from copy constructor for 'Reference<SfxPrinter>'
204 m_rInnerRef.clear(); // we should use some 'swap' method ideally ;-)
6
Calling 'Reference::clear'
13
Returning; memory was released
205 if (aTmp.get()) {
14
Calling 'Reference::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)
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)
3
Assuming field 'm_pBody' is non-null
4
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)
113 m_pBody->release();
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
6.1
Field 'm_pBody' is non-null
6.1
Field 'm_pBody' is non-null
6.1
Field 'm_pBody' is non-null
6.1
Field 'm_pBody' is non-null
)
7
Taking true branch
177 {
178 reference_type * const pOld = m_pBody;
179 m_pBody = NULL__null;
180 pOld->release();
8
Calling 'VclReferenceBase::release'
12
Returning; memory was released
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;
15
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)
9
Assuming the condition is true
10
Taking true branch
40 delete this;
11
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