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 fuinsfil.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 -isystem /usr/include/dbus-1.0 -isystem /usr/lib64/dbus-1.0/include -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 SD_DLLIMPLEMENTATION -D SDUI_DLL_NAME="libsduilo.so" -D SYSTEM_LIBXML -D ENABLE_SDREMOTE -D ENABLE_SDREMOTE_BLUETOOTH -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/external/bluez_bluetooth/inc -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/sd/inc -I /home/maarten/src/libreoffice/core/sd/source/ui/inc -I /home/maarten/src/libreoffice/core/sd/source/ui/slidesorter/inc -I /home/maarten/src/libreoffice/core/workdir/SdiTarget/sd/sdi -I /home/maarten/src/libreoffice/core/workdir/CustomTarget/officecfg/registry -I /home/maarten/src/libreoffice/core/workdir/CustomTarget/oox/generated -I /home/maarten/src/libreoffice/core/workdir/UnoApiHeadersTarget/udkapi/normal -I /home/maarten/src/libreoffice/core/workdir/UnoApiHeadersTarget/offapi/normal -I /usr/include/glib-2.0 -I /usr/lib64/glib-2.0/include -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/sd/source/ui/func/fuinsfil.cxx

/home/maarten/src/libreoffice/core/sd/source/ui/func/fuinsfil.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 <fuinsfil.hxx>
21#include <vcl/svapp.hxx>
22#include <sfx2/progress.hxx>
23#include <editeng/outliner.hxx>
24#include <editeng/outlobj.hxx>
25#include <editeng/editeng.hxx>
26#include <svl/stritem.hxx>
27#include <sfx2/request.hxx>
28#include <sfx2/app.hxx>
29#include <vcl/weld.hxx>
30#include <svx/svdorect.hxx>
31#include <svx/svdundo.hxx>
32#include <svx/svdoutl.hxx>
33#include <sfx2/filedlghelper.hxx>
34#include <sot/formats.hxx>
35#include <sfx2/docfile.hxx>
36#include <sfx2/docfilt.hxx>
37#include <sfx2/fcontnr.hxx>
38#include <svx/svdpagv.hxx>
39#include <svx/svxids.hrc>
40#include <tools/debug.hxx>
41#include <com/sun/star/ui/dialogs/XFilterManager.hpp>
42#include <com/sun/star/ui/dialogs/XFilePicker.hpp>
43#include <com/sun/star/ui/dialogs/XFilePicker3.hpp>
44#include <com/sun/star/ui/dialogs/TemplateDescription.hpp>
45
46#include <sdresid.hxx>
47#include <drawdoc.hxx>
48#include <Window.hxx>
49#include <View.hxx>
50#include <strings.hrc>
51#include <sdmod.hxx>
52#include <sdpage.hxx>
53#include <ViewShellBase.hxx>
54#include <DrawViewShell.hxx>
55#include <OutlineView.hxx>
56#include <DrawDocShell.hxx>
57#include <GraphicDocShell.hxx>
58#include <app.hrc>
59#include <Outliner.hxx>
60#include <sdabstdlg.hxx>
61#include <memory>
62
63using namespace ::com::sun::star::lang;
64using namespace ::com::sun::star::uno;
65using namespace ::com::sun::star::ui::dialogs;
66using namespace ::com::sun::star;
67
68typedef ::std::pair< OUString, OUString > FilterDesc;
69
70namespace
71{
72
73OUString lcl_GetExtensionsList ( ::std::vector< FilterDesc > const& rFilterDescList )
74{
75 OUStringBuffer aExtensions;
76
77 for (const auto& rFilterDesc : rFilterDescList)
78 {
79 OUString sWildcard = rFilterDesc.second;
80
81 if ( aExtensions.indexOf( sWildcard ) == -1 )
82 {
83 if ( !aExtensions.isEmpty() )
84 aExtensions.append(";");
85 aExtensions.append(sWildcard);
86 }
87
88 }
89
90 return aExtensions.makeStringAndClear();
91}
92
93void lcl_AddFilter ( ::std::vector< FilterDesc >& rFilterDescList,
94 const std::shared_ptr<const SfxFilter>& pFilter )
95{
96 if (pFilter)
97 rFilterDescList.emplace_back( pFilter->GetUIName(), pFilter->GetDefaultExtension() );
98}
99
100}
101
102namespace sd {
103
104
105FuInsertFile::FuInsertFile (
106 ViewShell* pViewSh,
107 ::sd::Window* pWin,
108 ::sd::View* pView,
109 SdDrawDocument* pDoc,
110 SfxRequest& rReq)
111 : FuPoor(pViewSh, pWin, pView, pDoc, rReq)
112{
113}
114
115rtl::Reference<FuPoor> FuInsertFile::Create( ViewShell* pViewSh, ::sd::Window* pWin, ::sd::View* pView, SdDrawDocument* pDoc, SfxRequest& rReq )
116{
117 rtl::Reference<FuPoor> xFunc( new FuInsertFile( pViewSh, pWin, pView, pDoc, rReq ) );
118 xFunc->DoExecute(rReq);
119 return xFunc;
120}
121
122void FuInsertFile::DoExecute( SfxRequest& rReq )
123{
124 SfxFilterMatcher& rMatcher = SfxGetpApp()->GetFilterMatcher();
125 ::std::vector< FilterDesc > aFilterVector;
126 ::std::vector< OUString > aOtherFilterVector;
127 const SfxItemSet* pArgs = rReq.GetArgs ();
128
129 FuInsertFile::GetSupportedFilterVector( aOtherFilterVector );
130
131 if (!pArgs)
132 {
133 sfx2::FileDialogHelper aFileDialog(
134 ui::dialogs::TemplateDescription::FILEOPEN_SIMPLE,
135 FileDialogFlags::Insert, mpWindow ? mpWindow->GetFrameWeld() : nullptr);
136 Reference< XFilePicker > xFilePicker( aFileDialog.GetFilePicker() );
137 Reference< XFilterManager > xFilterManager( xFilePicker, UNO_QUERY );
138 OUString aOwnCont;
139 OUString aOtherCont;
140
141 aFileDialog.SetTitle( SdResId(STR_DLG_INSERT_PAGES_FROM_FILEreinterpret_cast<char const *>("STR_DLG_INSERT_PAGES_FROM_FILE"
"\004" u8"Insert File")) );
142
143 if( mpDoc->GetDocumentType() == DocumentType::Impress )
144 {
145 aOwnCont = "simpress";
146 aOtherCont = "sdraw";
147 }
148 else
149 {
150 aOtherCont = "simpress";
151 aOwnCont = "sdraw" ;
152 }
153
154 SfxFilterMatcher aMatch( aOwnCont );
155
156 if( xFilterManager.is() )
157 {
158 // Get filter for current format
159 try
160 {
161 // Get main filter
162 std::shared_ptr<const SfxFilter> pFilter = SfxFilter::GetDefaultFilterFromFactory( aOwnCont );
163 lcl_AddFilter( aFilterVector, pFilter );
164
165 // get template filter
166 if( mpDoc->GetDocumentType() == DocumentType::Impress )
167 pFilter = DrawDocShell::Factory().GetTemplateFilter();
168 else
169 pFilter = GraphicDocShell::Factory().GetTemplateFilter();
170 lcl_AddFilter( aFilterVector, pFilter );
171
172 // get cross filter
173 pFilter = SfxFilter::GetDefaultFilterFromFactory( aOtherCont );
174 lcl_AddFilter( aFilterVector, pFilter );
175
176 // get Powerpoint filter
177 pFilter = aMatch.GetFilter4Extension( ".ppt" );
178 lcl_AddFilter( aFilterVector, pFilter );
179
180 // Get other draw/impress filters
181 pFilter = aMatch.GetFilter4ClipBoardId( SotClipboardFormatId::STARIMPRESS_60, SfxFilterFlags::IMPORT, SfxFilterFlags::TEMPLATEPATH );
182 lcl_AddFilter( aFilterVector, pFilter );
183
184 pFilter = aMatch.GetFilter4ClipBoardId( SotClipboardFormatId::STARIMPRESS_60, SfxFilterFlags::TEMPLATEPATH );
185 lcl_AddFilter( aFilterVector, pFilter );
186
187 pFilter = aMatch.GetFilter4ClipBoardId( SotClipboardFormatId::STARDRAW_60, SfxFilterFlags::IMPORT, SfxFilterFlags::TEMPLATEPATH );
188 lcl_AddFilter( aFilterVector, pFilter );
189
190 pFilter = aMatch.GetFilter4ClipBoardId( SotClipboardFormatId::STARDRAW_60, SfxFilterFlags::TEMPLATEPATH );
191 lcl_AddFilter( aFilterVector, pFilter );
192
193 pFilter = aMatch.GetFilter4ClipBoardId( SotClipboardFormatId::STARDRAW, SfxFilterFlags::IMPORT, SfxFilterFlags::TEMPLATEPATH );
194 lcl_AddFilter( aFilterVector, pFilter );
195
196 pFilter = aMatch.GetFilter4ClipBoardId( SotClipboardFormatId::STARDRAW, SfxFilterFlags::TEMPLATEPATH );
197 lcl_AddFilter( aFilterVector, pFilter );
198
199 // add additional supported filters
200 for( const auto& rOtherFilter : aOtherFilterVector )
201 {
202 if( ( pFilter = rMatcher.GetFilter4Mime( rOtherFilter ) ) != nullptr )
203 lcl_AddFilter( aFilterVector, pFilter );
204 }
205
206 // set "All supported formats" as the default filter
207 OUString aAllSpec( SdResId( STR_ALL_SUPPORTED_FORMATSreinterpret_cast<char const *>("STR_ALL_SUPPORTED_FORMATS"
"\004" u8"All supported formats") ) );
208 OUString aExtensions = lcl_GetExtensionsList( aFilterVector );
209 OUString aGUIName = aAllSpec + " (" + aExtensions + ")";
210
211 xFilterManager->appendFilter( aGUIName, aExtensions );
212 xFilterManager->setCurrentFilter( aAllSpec );
213
214 // append individual filters
215 for( const auto& rFilter : aFilterVector )
216 {
217 xFilterManager->appendFilter( rFilter.first, rFilter.second );
218 }
219
220 // end with "All files" as fallback
221 xFilterManager->appendFilter( SdResId( STR_ALL_FILESreinterpret_cast<char const *>("STR_ALL_FILES" "\004" u8"All files"
) ), "*.*" );
222 }
223 catch (const IllegalArgumentException&)
224 {
225 }
226 }
227
228 if( aFileDialog.Execute() != ERRCODE_NONEErrCode(0) )
229 return;
230 else
231 {
232 aFilterName = aFileDialog.GetCurrentFilter();
233 aFile = aFileDialog.GetPath();
234 }
235 }
236 else
237 {
238 const SfxStringItem* pFileName = rReq.GetArg<SfxStringItem>(ID_VAL_DUMMY0(27000 +230));
239 const SfxStringItem* pFilterName = rReq.GetArg<SfxStringItem>(ID_VAL_DUMMY1(27000 +383));
240
241 aFile = pFileName->GetValue ();
242
243 if( pFilterName )
244 aFilterName = pFilterName->GetValue ();
245 }
246
247 mpDocSh->SetWaitCursor( true );
248
249 std::unique_ptr<SfxMedium> xMedium(new SfxMedium(aFile, StreamMode::READ | StreamMode::NOCREATE));
250 std::shared_ptr<const SfxFilter> pFilter;
251
252 SfxGetpApp()->GetFilterMatcher().GuessFilter(*xMedium, pFilter);
253
254 bool bDrawMode = dynamic_cast< const DrawViewShell *>( mpViewShell ) != nullptr;
255 bool bInserted = false;
256
257 if( pFilter )
258 {
259 xMedium->SetFilter( pFilter );
260 aFilterName = pFilter->GetFilterName();
261
262 if( xMedium->IsStorage() || ( xMedium->GetInStream() && SotStorage::IsStorageFile( xMedium->GetInStream() ) ) )
263 {
264 if ( pFilter->GetServiceName() == "com.sun.star.presentation.PresentationDocument" ||
265 pFilter->GetServiceName() == "com.sun.star.drawing.DrawingDocument" )
266 {
267 // Draw, Impress or PowerPoint document
268 // the ownership of the Medium is transferred
269 if( bDrawMode )
270 InsSDDinDrMode(xMedium.release());
271 else
272 InsSDDinOlMode(xMedium.release());
273
274 // ownership of pMedium has changed in this case
275 bInserted = true;
276 }
277 }
278 else
279 {
280 bool bFound = ( ::std::find( aOtherFilterVector.begin(), aOtherFilterVector.end(), pFilter->GetMimeType() ) != aOtherFilterVector.end() );
281 if( !bFound &&
282 ( aFilterName.indexOf( "Text" ) != -1 ||
283 aFilterName.indexOf( "Rich" ) != -1 ||
284 aFilterName.indexOf( "RTF" ) != -1 ||
285 aFilterName.indexOf( "HTML" ) != -1 ) )
286 {
287 bFound = true;
288 }
289
290 if( bFound )
291 {
292 if( bDrawMode )
293 InsTextOrRTFinDrMode(xMedium.get());
294 else
295 InsTextOrRTFinOlMode(xMedium.get());
296
297 bInserted = true;
298 xMedium.reset();
299 }
300 }
301 }
302
303 mpDocSh->SetWaitCursor( false );
304
305 if( !bInserted )
306 {
307 std::unique_ptr<weld::MessageDialog> xErrorBox(Application::CreateMessageDialog(mpWindow->GetFrameWeld(),
308 VclMessageType::Warning, VclButtonsType::Ok, SdResId(STR_READ_DATA_ERRORreinterpret_cast<char const *>("STR_READ_DATA_ERROR" "\004"
u8"The file could not be loaded!"))));
309 xErrorBox->run();
310 }
311}
312
313bool FuInsertFile::InsSDDinDrMode(SfxMedium* pMedium)
314{
315 bool bOK = false;
316
317 mpDocSh->SetWaitCursor( false );
318 SdAbstractDialogFactory* pFact = SdAbstractDialogFactory::Create();
319 weld::Window* pParent = mpViewShell ? mpViewShell->GetFrameWeld() : nullptr;
320 ScopedVclPtr<AbstractSdInsertPagesObjsDlg> pDlg( pFact->CreateSdInsertPagesObjsDlg(pParent, mpDoc, pMedium, aFile) );
321
322 sal_uInt16 nRet = pDlg->Execute();
323
324 mpDocSh->SetWaitCursor( true );
325
326 if( nRet == RET_OK )
327 {
328 /* list with page names (if NULL, then all pages)
329 First, insert pages */
330 std::vector<OUString> aBookmarkList = pDlg->GetList( 1 ); // pages
331 bool bLink = pDlg->IsLink();
332 SdPage* pPage = nullptr;
333 ::sd::View* pView = mpViewShell ? mpViewShell->GetView() : nullptr;
334
335 if (pView)
336 {
337 if( dynamic_cast< const OutlineView *>( pView ) != nullptr)
338 {
339 pPage = static_cast<OutlineView*>(pView)->GetActualPage();
340 }
341 else
342 {
343 pPage = static_cast<SdPage*>(pView->GetSdrPageView()->GetPage());
344 }
345 }
346
347 sal_uInt16 nPos = 0xFFFF;
348
349 if (pPage && !pPage->IsMasterPage())
350 {
351 if (pPage->GetPageKind() == PageKind::Standard)
352 {
353 nPos = pPage->GetPageNum() + 2;
354 }
355 else if (pPage->GetPageKind() == PageKind::Notes)
356 {
357 nPos = pPage->GetPageNum() + 1;
358 }
359 }
360
361 bool bNameOK;
362 std::vector<OUString> aExchangeList;
363 std::vector<OUString> aObjectBookmarkList = pDlg->GetList( 2 ); // objects
364
365 /* if pBookmarkList is NULL, we insert selected pages, and/or selected
366 objects or everything. */
367 if( !aBookmarkList.empty() || aObjectBookmarkList.empty() )
368 {
369 /* To ensure that all page names are unique, we check the ones we
370 want to insert and insert them into a substitution list if
371 necessary.
372 bNameOK is sal_False if the user has canceled. */
373 bNameOK = mpView->GetExchangeList( aExchangeList, aBookmarkList, 0 );
374
375 if( bNameOK )
376 bOK = mpDoc->InsertBookmarkAsPage( aBookmarkList, &aExchangeList,
377 bLink, false/*bReplace*/, nPos,
378 false, nullptr, true, true, false );
379
380 aBookmarkList.clear();
381 aExchangeList.clear();
382 }
383
384 // to ensure ... (see above)
385 bNameOK = mpView->GetExchangeList( aExchangeList, aObjectBookmarkList, 1 );
386
387 if( bNameOK )
388 bOK = mpDoc->InsertBookmarkAsObject( aObjectBookmarkList, aExchangeList,
389 nullptr, nullptr, false );
390
391 if( pDlg->IsRemoveUnnecessaryMasterPages() )
392 mpDoc->RemoveUnnecessaryMasterPages();
393 }
394
395 return bOK;
396}
397
398void FuInsertFile::InsTextOrRTFinDrMode(SfxMedium* pMedium)
399{
400 SdAbstractDialogFactory* pFact = SdAbstractDialogFactory::Create();
401 ScopedVclPtr<AbstractSdInsertPagesObjsDlg> pDlg( pFact->CreateSdInsertPagesObjsDlg(mpViewShell->GetFrameWeld(), mpDoc, nullptr, aFile) );
1
Calling constructor for 'ScopedVclPtr<AbstractSdInsertPagesObjsDlg>'
→
8
←
Returning from constructor for 'ScopedVclPtr<AbstractSdInsertPagesObjsDlg>'
→
9
←
Calling implicit destructor for 'VclPtr<AbstractSdInsertPagesObjsDlg>'
→
10
←
Calling '~Reference'
→
17
←
Returning from '~Reference'
→
18
←
Returning from destructor for 'VclPtr<AbstractSdInsertPagesObjsDlg>'
→
402
403 mpDocSh->SetWaitCursor( false );
404
405 sal_uInt16 nRet = pDlg->Execute();
19
←
Calling 'VclPtr::operator->'
→
406 mpDocSh->SetWaitCursor( true );
407
408 if( nRet != RET_OK )
409 return;
410
411 // selected file format: text, RTF or HTML (default is text)
412 EETextFormat nFormat = EETextFormat::Text;
413
414 if( aFilterName.indexOf( "Rich") != -1 )
415 nFormat = EETextFormat::Rtf;
416 else if( aFilterName.indexOf( "HTML" ) != -1 )
417 nFormat = EETextFormat::Html;
418
419 /* create our own outline since:
420 - it is possible that the document outliner is actually used in the
421 structuring mode
422 - the draw outliner of the drawing engine has to draw something in
423 between
424 - the global outliner could be used in SdPage::CreatePresObj */
425 std::unique_ptr<SdrOutliner> pOutliner(new SdOutliner( mpDoc, OutlinerMode::TextObject ));
426
427 // set reference device
428 pOutliner->SetRefDevice( SD_MOD()( static_cast<SdModule*>(SfxApplication::GetModule(SfxToolsModule
::Draw)) )->GetVirtualRefDevice() );
429
430 SdPage* pPage = static_cast<DrawViewShell*>(mpViewShell)->GetActualPage();
431 aLayoutName = pPage->GetLayoutName();
432 sal_Int32 nIndex = aLayoutName.indexOf(SD_LT_SEPARATOR"~LT~");
433 if( nIndex != -1 )
434 aLayoutName = aLayoutName.copy(0, nIndex);
435
436 pOutliner->SetPaperSize(pPage->GetSize());
437
438 SvStream* pStream = pMedium->GetInStream();
439 assert(pStream && "No InStream!")(static_cast <bool> (pStream && "No InStream!")
? void (0) : __assert_fail ("pStream && \"No InStream!\""
, "/home/maarten/src/libreoffice/core/sd/source/ui/func/fuinsfil.cxx"
, 439, __extension__ __PRETTY_FUNCTION__));
440 pStream->Seek( 0 );
441
442 ErrCode nErr = pOutliner->Read( *pStream, pMedium->GetBaseURL(), nFormat, mpDocSh->GetHeaderAttributes() );
443
444 if (nErr || pOutliner->GetEditEngine().GetText().isEmpty())
445 {
446 std::unique_ptr<weld::MessageDialog> xErrorBox(Application::CreateMessageDialog(mpWindow->GetFrameWeld(),
447 VclMessageType::Warning, VclButtonsType::Ok, SdResId(STR_READ_DATA_ERRORreinterpret_cast<char const *>("STR_READ_DATA_ERROR" "\004"
u8"The file could not be loaded!"))));
448 xErrorBox->run();
449 }
450 else
451 {
452 // is it a master page?
453 if (static_cast<DrawViewShell*>(mpViewShell)->GetEditMode() == EditMode::MasterPage &&
454 !pPage->IsMasterPage())
455 {
456 pPage = static_cast<SdPage*>(&(pPage->TRG_GetMasterPage()));
457 }
458
459 assert(pPage && "page not found")(static_cast <bool> (pPage && "page not found")
? void (0) : __assert_fail ("pPage && \"page not found\""
, "/home/maarten/src/libreoffice/core/sd/source/ui/func/fuinsfil.cxx"
, 459, __extension__ __PRETTY_FUNCTION__));
460
461 // if editing is going on right now, let it flow into this text object
462 OutlinerView* pOutlinerView = mpView->GetTextEditOutlinerView();
463 if( pOutlinerView )
464 {
465 SdrObject* pObj = mpView->GetTextEditObject();
466 if( pObj &&
467 pObj->GetObjInventor() == SdrInventor::Default &&
468 pObj->GetObjIdentifier() == OBJ_TITLETEXT &&
469 pOutliner->GetParagraphCount() > 1 )
470 {
471 // in title objects, only one paragraph is allowed
472 while ( pOutliner->GetParagraphCount() > 1 )
473 {
474 Paragraph* pPara = pOutliner->GetParagraph( 0 );
475 sal_uLong nLen = pOutliner->GetText( pPara ).getLength();
476 pOutliner->QuickDelete( ESelection( 0, nLen, 1, 0 ) );
477 pOutliner->QuickInsertLineBreak( ESelection( 0, nLen, 0, nLen ) );
478 }
479 }
480 }
481
482 std::unique_ptr<OutlinerParaObject> pOPO = pOutliner->CreateParaObject();
483
484 if (pOutlinerView)
485 {
486 pOutlinerView->InsertText(*pOPO);
487 }
488 else
489 {
490 SdrRectObj* pTO = new SdrRectObj(
491 mpView->getSdrModelFromSdrView(),
492 OBJ_TEXT);
493 pTO->SetOutlinerParaObject(std::move(pOPO));
494
495 const bool bUndo = mpView->IsUndoEnabled();
496 if( bUndo )
497 mpView->BegUndo(SdResId(STR_UNDO_INSERT_TEXTFRAMEreinterpret_cast<char const *>("STR_UNDO_INSERT_TEXTFRAME"
"\004" u8"Insert text frame")));
498 pPage->InsertObject(pTO);
499
500 /* can be bigger as the maximal allowed size:
501 limit object size if necessary */
502 Size aSize(pOutliner->CalcTextSize());
503 Size aMaxSize = mpDoc->GetMaxObjSize();
504 aSize.setHeight( std::min(aSize.Height(), aMaxSize.Height()) );
505 aSize.setWidth( std::min(aSize.Width(), aMaxSize.Width()) );
506 aSize = mpWindow->LogicToPixel(aSize);
507
508 // put it at the center of the window
509 Size aTemp(mpWindow->GetOutputSizePixel());
510 Point aPos(aTemp.Width() / 2, aTemp.Height() / 2);
511 aPos.AdjustX( -(aSize.Width() / 2) );
512 aPos.AdjustY( -(aSize.Height() / 2) );
513 aSize = mpWindow->PixelToLogic(aSize);
514 aPos = mpWindow->PixelToLogic(aPos);
515 pTO->SetLogicRect(::tools::Rectangle(aPos, aSize));
516
517 if (pDlg->IsLink())
518 {
519 pTO->SetTextLink(aFile, aFilterName );
520 }
521
522 if( bUndo )
523 {
524 mpView->AddUndo(mpDoc->GetSdrUndoFactory().CreateUndoInsertObject(*pTO));
525 mpView->EndUndo();
526 }
527 }
528 }
529}
530
531void FuInsertFile::InsTextOrRTFinOlMode(SfxMedium* pMedium)
532{
533 // selected file format: text, RTF or HTML (default is text)
534 EETextFormat nFormat = EETextFormat::Text;
535
536 if( aFilterName.indexOf( "Rich") != -1 )
537 nFormat = EETextFormat::Rtf;
538 else if( aFilterName.indexOf( "HTML" ) != -1 )
539 nFormat = EETextFormat::Html;
540
541 ::Outliner& rDocliner = static_cast<OutlineView*>(mpView)->GetOutliner();
542
543 std::vector<Paragraph*> aSelList;
544 rDocliner.GetView(0)->CreateSelectionList(aSelList);
545
546 Paragraph* pPara = aSelList.empty() ? nullptr : *(aSelList.begin());
547
548 // what should we insert?
549 while (pPara && !Outliner::HasParaFlag(pPara, ParaFlag::ISPAGE))
550 pPara = rDocliner.GetParent(pPara);
551
552 sal_Int32 nTargetPos = rDocliner.GetAbsPos(pPara) + 1;
553
554 // apply layout of predecessor page
555 sal_uInt16 nPage = 0;
556 pPara = rDocliner.GetParagraph( rDocliner.GetAbsPos( pPara ) - 1 );
557 while (pPara)
558 {
559 sal_Int32 nPos = rDocliner.GetAbsPos( pPara );
560 if ( Outliner::HasParaFlag( pPara, ParaFlag::ISPAGE ) )
561 nPage++;
562 pPara = rDocliner.GetParagraph( nPos - 1 );
563 }
564 SdPage* pPage = mpDoc->GetSdPage(nPage, PageKind::Standard);
565 aLayoutName = pPage->GetLayoutName();
566 sal_Int32 nIndex = aLayoutName.indexOf(SD_LT_SEPARATOR"~LT~");
567 if( nIndex != -1 )
568 aLayoutName = aLayoutName.copy(0, nIndex);
569
570 /* create our own outline since:
571 - it is possible that the document outliner is actually used in the
572 structuring mode
573 - the draw outliner of the drawing engine has to draw something in
574 between
575 - the global outliner could be used in SdPage::CreatePresObj */
576 std::unique_ptr< ::Outliner> pOutliner(new ::Outliner( &mpDoc->GetItemPool(), OutlinerMode::OutlineObject ));
577 pOutliner->SetStyleSheetPool(static_cast<SfxStyleSheetPool*>(mpDoc->GetStyleSheetPool()));
578
579 // set reference device
580 pOutliner->SetRefDevice(SD_MOD()( static_cast<SdModule*>(SfxApplication::GetModule(SfxToolsModule
::Draw)) )->GetVirtualRefDevice());
581 pOutliner->SetPaperSize(Size(0x7fffffff, 0x7fffffff));
582
583 SvStream* pStream = pMedium->GetInStream();
584 DBG_ASSERT( pStream, "No InStream!" )do { if (true && (!(pStream))) { sal_detail_logFormat
((SAL_DETAIL_LOG_LEVEL_WARN), ("legacy.tools"), ("/home/maarten/src/libreoffice/core/sd/source/ui/func/fuinsfil.cxx"
":" "584" ": "), "%s", "No InStream!"); } } while (false);
585 pStream->Seek( 0 );
586
587 ErrCode nErr = pOutliner->Read(*pStream, pMedium->GetBaseURL(), nFormat, mpDocSh->GetHeaderAttributes());
588
589 if (nErr || pOutliner->GetEditEngine().GetText().isEmpty())
590 {
591 std::unique_ptr<weld::MessageDialog> xErrorBox(Application::CreateMessageDialog(mpWindow->GetFrameWeld(),
592 VclMessageType::Warning, VclButtonsType::Ok, SdResId(STR_READ_DATA_ERRORreinterpret_cast<char const *>("STR_READ_DATA_ERROR" "\004"
u8"The file could not be loaded!"))));
593 xErrorBox->run();
594 }
595 else
596 {
597 sal_Int32 nParaCount = pOutliner->GetParagraphCount();
598
599 // for progress bar: number of level-0-paragraphs
600 sal_uInt16 nNewPages = 0;
601 pPara = pOutliner->GetParagraph( 0 );
602 while (pPara)
603 {
604 sal_Int32 nPos = pOutliner->GetAbsPos( pPara );
605 if( Outliner::HasParaFlag( pPara, ParaFlag::ISPAGE ) )
606 nNewPages++;
607 pPara = pOutliner->GetParagraph( ++nPos );
608 }
609
610 mpDocSh->SetWaitCursor( false );
611
612 std::unique_ptr<SfxProgress> pProgress(new SfxProgress( mpDocSh, SdResId(STR_CREATE_PAGESreinterpret_cast<char const *>("STR_CREATE_PAGES" "\004"
u8"Create Slides")), nNewPages));
613 pProgress->SetState( 0, 100 );
614
615 nNewPages = 0;
616
617 ViewShellId nViewShellId = mpViewShell ? mpViewShell->GetViewShellBase().GetViewShellId() : ViewShellId(-1);
618 rDocliner.GetUndoManager().EnterListAction(
619 SdResId(STR_UNDO_INSERT_FILEreinterpret_cast<char const *>("STR_UNDO_INSERT_FILE" "\004"
u8"Insert file")), OUString(), 0, nViewShellId );
620
621 sal_Int32 nSourcePos = 0;
622 SfxStyleSheet* pStyleSheet = pPage->GetStyleSheetForPresObj( PresObjKind::Outline );
623 Paragraph* pSourcePara = pOutliner->GetParagraph( 0 );
624 while (pSourcePara)
625 {
626 sal_Int32 nPos = pOutliner->GetAbsPos( pSourcePara );
627 sal_Int16 nDepth = pOutliner->GetDepth( nPos );
628
629 // only take the last paragraph if it is filled
630 if (nSourcePos < nParaCount - 1 ||
631 !pOutliner->GetText(pSourcePara).isEmpty())
632 {
633 rDocliner.Insert( pOutliner->GetText(pSourcePara), nTargetPos, nDepth );
634 OUString aStyleSheetName( pStyleSheet->GetName() );
635 aStyleSheetName = aStyleSheetName.copy( 0, aStyleSheetName.getLength()-1 ) +
636 OUString::number( nDepth <= 0 ? 1 : nDepth+1 );
637 SfxStyleSheetBasePool* pStylePool = mpDoc->GetStyleSheetPool();
638 SfxStyleSheet* pOutlStyle = static_cast<SfxStyleSheet*>( pStylePool->Find( aStyleSheetName, pStyleSheet->GetFamily() ) );
639 rDocliner.SetStyleSheet( nTargetPos, pOutlStyle );
640 }
641
642 if( Outliner::HasParaFlag( pSourcePara, ParaFlag::ISPAGE ) )
643 {
644 nNewPages++;
645 pProgress->SetState( nNewPages );
646 }
647
648 pSourcePara = pOutliner->GetParagraph( ++nPos );
649 nTargetPos++;
650 nSourcePos++;
651 }
652
653 rDocliner.GetUndoManager().LeaveListAction();
654
655 pProgress.reset();
656
657 mpDocSh->SetWaitCursor( true );
658 }
659}
660
661bool FuInsertFile::InsSDDinOlMode(SfxMedium* pMedium)
662{
663 OutlineView* pOlView = static_cast<OutlineView*>(mpView);
664
665 // transfer Outliner content to SdDrawDocument
666 pOlView->PrepareClose();
667
668 // read in like in the character mode
669 if (InsSDDinDrMode(pMedium))
670 {
671 ::Outliner* pOutliner = pOlView->GetViewByWindow(mpWindow)->GetOutliner();
672
673 // cut notification links temporarily
674 Link<Outliner::ParagraphHdlParam,void> aOldParagraphInsertedHdl = pOutliner->GetParaInsertedHdl();
675 pOutliner->SetParaInsertedHdl( Link<Outliner::ParagraphHdlParam,void>());
676 Link<Outliner::ParagraphHdlParam,void> aOldParagraphRemovingHdl = pOutliner->GetParaRemovingHdl();
677 pOutliner->SetParaRemovingHdl( Link<Outliner::ParagraphHdlParam,void>());
678 Link<Outliner::DepthChangeHdlParam,void> aOldDepthChangedHdl = pOutliner->GetDepthChangedHdl();
679 pOutliner->SetDepthChangedHdl( Link<::Outliner::DepthChangeHdlParam,void>());
680 Link<::Outliner*,void> aOldBeginMovingHdl = pOutliner->GetBeginMovingHdl();
681 pOutliner->SetBeginMovingHdl( Link<::Outliner*,void>());
682 Link<::Outliner*,void> aOldEndMovingHdl = pOutliner->GetEndMovingHdl();
683 pOutliner->SetEndMovingHdl( Link<::Outliner*,void>());
684
685 Link<EditStatus&,void> aOldStatusEventHdl = pOutliner->GetStatusEventHdl();
686 pOutliner->SetStatusEventHdl(Link<EditStatus&,void>());
687
688 pOutliner->Clear();
689 pOlView->FillOutliner();
690
691 // set links again
692 pOutliner->SetParaInsertedHdl(aOldParagraphInsertedHdl);
693 pOutliner->SetParaRemovingHdl(aOldParagraphRemovingHdl);
694 pOutliner->SetDepthChangedHdl(aOldDepthChangedHdl);
695 pOutliner->SetBeginMovingHdl(aOldBeginMovingHdl);
696 pOutliner->SetEndMovingHdl(aOldEndMovingHdl);
697 pOutliner->SetStatusEventHdl(aOldStatusEventHdl);
698
699 return true;
700 }
701 else
702 return false;
703}
704
705void FuInsertFile::GetSupportedFilterVector( ::std::vector< OUString >& rFilterVector )
706{
707 SfxFilterMatcher& rMatcher = SfxGetpApp()->GetFilterMatcher();
708 std::shared_ptr<const SfxFilter> pSearchFilter;
709
710 rFilterVector.clear();
711
712 if( ( pSearchFilter = rMatcher.GetFilter4Mime( "text/plain" )) != nullptr )
713 rFilterVector.push_back( pSearchFilter->GetMimeType() );
714
715 if( ( pSearchFilter = rMatcher.GetFilter4Mime( "application/rtf" ) ) != nullptr )
716 rFilterVector.push_back( pSearchFilter->GetMimeType() );
717
718 if( ( pSearchFilter = rMatcher.GetFilter4Mime( "text/html" ) ) != nullptr )
719 rFilterVector.push_back( pSearchFilter->GetMimeType() );
720}
721
722} // end of namespace sd
723
724/* 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();
20
←
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)
2
←
Calling implicit copy constructor for 'VclPtr<AbstractSdInsertPagesObjsDlg>'
→
3
←
Calling copy constructor for 'Reference<AbstractSdInsertPagesObjsDlg>'
→
6
←
Returning from copy constructor for 'Reference<AbstractSdInsertPagesObjsDlg>'
→
7
←
Returning from copy constructor for 'VclPtr<AbstractSdInsertPagesObjsDlg>'
→
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)
4
←
Assuming field 'm_pBody' is non-null
→
5
←
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
10.1
Field 'm_pBody' is non-null
10.1
Field 'm_pBody' is non-null
10.1
Field 'm_pBody' is non-null
10.1
Field 'm_pBody' is non-null
)
11
←
Taking true branch
→
113 m_pBody->release();
12
←
Calling 'VclReferenceBase::release'
→
16
←
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;
21
←
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)
13
←
Assuming the condition is true
→
14
←
Taking true branch
→
40 delete this;
15
←
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