Bug Summary

File:home/maarten/src/libreoffice/core/dbaccess/source/ui/querydesign/QueryTableView.cxx
Warning:line 292, column 16
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 QueryTableView.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 -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 DBACCESS_DLLIMPLEMENTATION -D EXCEPTIONS_ON -D LIBO_INTERNAL_ONLY -I /home/maarten/src/libreoffice/core/external/unixODBC/inc -I /home/maarten/src/libreoffice/core/external/boost/include -I /home/maarten/src/libreoffice/core/workdir/UnpackedTarball/boost -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/dbaccess/inc -I /home/maarten/src/libreoffice/core/dbaccess/source/inc -I /home/maarten/src/libreoffice/core/dbaccess/source/ui/inc -I /home/maarten/src/libreoffice/core/workdir/YaccTarget/connectivity/source/parse -I /home/maarten/src/libreoffice/core/workdir/CustomTarget/officecfg/registry -I /home/maarten/src/libreoffice/core/workdir/UnoApiHeadersTarget/udkapi/normal -I /home/maarten/src/libreoffice/core/workdir/UnoApiHeadersTarget/offapi/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/dbaccess/source/ui/querydesign/QueryTableView.cxx

/home/maarten/src/libreoffice/core/dbaccess/source/ui/querydesign/QueryTableView.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 <QueryTableView.hxx>
21#include <TableFieldDescription.hxx>
22#include <tools/diagnose_ex.h>
23#include <osl/diagnose.h>
24#include <helpids.h>
25#include "QTableWindow.hxx"
26#include "QTableConnection.hxx"
27#include "QTableConnectionData.hxx"
28#include <QueryDesignView.hxx>
29#include "QueryAddTabConnUndoAction.hxx"
30#include "QueryTabWinShowUndoAct.hxx"
31#include <browserids.hxx>
32#include <com/sun/star/sdbc/XConnection.hpp>
33#include <com/sun/star/sdbcx/XColumnsSupplier.hpp>
34#include <com/sun/star/accessibility/AccessibleEventId.hpp>
35#include <JAccess.hxx>
36#include <com/sun/star/sdbcx/KeyType.hpp>
37#include <com/sun/star/container/XIndexAccess.hpp>
38#include <com/sun/star/beans/XPropertySet.hpp>
39#include <connectivity/dbtools.hxx>
40#include <comphelper/sequence.hxx>
41#include "querydlg.hxx"
42#include <core_resource.hxx>
43#include <strings.hrc>
44#include <strings.hxx>
45
46using namespace dbaui;
47using namespace ::com::sun::star::uno;
48using namespace ::com::sun::star::sdbc;
49using namespace ::com::sun::star::sdbcx;
50using namespace ::com::sun::star::beans;
51using namespace ::com::sun::star::container;
52using namespace ::com::sun::star::accessibility;
53
54namespace
55{
56 /** appends a new TabAdd Undo action at controller
57 @param _pView the view which we use
58 @param _pUndoAction the undo action which should be added
59 @param _pConnection the connection for which the undo action should be appended
60 @param _bOwner is the undo action the owner
61 */
62 void addUndoAction( OQueryTableView const * _pView,
63 std::unique_ptr<OQueryTabConnUndoAction> _pUndoAction,
64 OQueryTableConnection* _pConnection,
65 bool _bOwner = false)
66 {
67 _pUndoAction->SetOwnership(_bOwner);
68 _pUndoAction->SetConnection(_pConnection);
69 _pView->getDesignView()->getController().addUndoActionAndInvalidate(std::move(_pUndoAction));
70 }
71 /** openJoinDialog opens the join dialog with this connection data
72 @param _pView the view which we use
73 @param _pConnectionData the connection data
74
75 @return true when OK was pressed otherwise false
76 */
77 bool openJoinDialog(OQueryTableView* _pView,const TTableConnectionData::value_type& _pConnectionData,bool _bSelectableTables)
78 {
79 OQueryTableConnectionData* pData = static_cast< OQueryTableConnectionData*>(_pConnectionData.get());
80
81 DlgQryJoin aDlg(_pView,_pConnectionData,&_pView->GetTabWinMap(),_pView->getDesignView()->getController().getConnection(),_bSelectableTables);
82 bool bOk = aDlg.run() == RET_OK;
83 if( bOk )
84 {
85 pData->SetJoinType(aDlg.GetJoinType());
86 _pView->getDesignView()->getController().setModified(true);
87 }
88
89 return bOk;
90 }
91 /** connectionModified adds an undo action for the modified connection and forces a redraw
92 @param _pView the view which we use
93 @param _pConnection the connection which was modified
94 @param _bAddUndo true when an undo action should be appended
95 */
96 void connectionModified(OQueryTableView* _pView,
97 OTableConnection* _pConnection,
98 bool _bAddUndo)
99 {
100 OSL_ENSURE(_pConnection,"Invalid connection!")do { if (true && (!(_pConnection))) { sal_detail_logFormat
((SAL_DETAIL_LOG_LEVEL_WARN), ("legacy.osl"), ("/home/maarten/src/libreoffice/core/dbaccess/source/ui/querydesign/QueryTableView.cxx"
":" "100" ": "), "%s", "Invalid connection!"); } } while (false
)
;
101 _pConnection->UpdateLineList();
102
103 // add an undo action
104 if ( _bAddUndo )
105 addUndoAction( _pView,
106 std::make_unique<OQueryAddTabConnUndoAction>(_pView),
107 static_cast< OQueryTableConnection*>(_pConnection));
108 // redraw
109 _pConnection->RecalcLines();
110 // force an invalidation of the bounding rectangle
111 _pConnection->InvalidateConnection();
112
113 _pView->Invalidate(InvalidateFlags::NoChildren);
114 }
115 void addConnections(OQueryTableView* _pView,
116 const OQueryTableWindow& _rSource,
117 const OQueryTableWindow& _rDest,
118 const Reference<XNameAccess>& _rxSourceForeignKeyColumns)
119 {
120 if ( _rSource.GetData()->isQuery() || _rDest.GetData()->isQuery() )
121 // nothing to do if one of both denotes a query
122 return;
123
124 // we found a table in our view where we can insert some connections
125 // the key columns have a property called RelatedColumn
126 // build OQueryTableConnectionData
127 auto xNewConnData = std::make_shared<OQueryTableConnectionData>( _rSource.GetData(), _rDest.GetData() );
128
129 OUString sRelatedColumn;
130
131 // iterate through all foreignkey columns to create the connections
132 const Sequence<OUString> aKeyCols = _rxSourceForeignKeyColumns->getElementNames();
133 for(const OUString& rElement : aKeyCols)
134 {
135 Reference<XPropertySet> xColumn;
136 if ( !( _rxSourceForeignKeyColumns->getByName(rElement) >>= xColumn ) )
137 {
138 OSL_FAIL( "addConnections: invalid foreign key column!" )do { if (true && (((sal_Bool)1))) { sal_detail_logFormat
((SAL_DETAIL_LOG_LEVEL_WARN), ("legacy.osl"), ("/home/maarten/src/libreoffice/core/dbaccess/source/ui/querydesign/QueryTableView.cxx"
":" "138" ": "), "%s", "addConnections: invalid foreign key column!"
); } } while (false)
;
139 continue;
140 }
141
142 xColumn->getPropertyValue(PROPERTY_RELATEDCOLUMN"RelatedColumn") >>= sRelatedColumn;
143
144 {
145 sal_Int32 nFindIndex = ::comphelper::findValue(_rSource.GetOriginalColumns()->getElementNames(),rElement);
146 if(nFindIndex != -1)
147 xNewConnData->SetFieldIndex(JTCS_FROM,nFindIndex+1);
148 else
149 OSL_FAIL("Column not found!")do { if (true && (((sal_Bool)1))) { sal_detail_logFormat
((SAL_DETAIL_LOG_LEVEL_WARN), ("legacy.osl"), ("/home/maarten/src/libreoffice/core/dbaccess/source/ui/querydesign/QueryTableView.cxx"
":" "149" ": "), "%s", "Column not found!"); } } while (false
)
;
150 }
151 // get the position inside the table
152 Reference<XNameAccess> xRefColumns = _rDest.GetOriginalColumns();
153 if(xRefColumns.is())
154 {
155 sal_Int32 nFindIndex = ::comphelper::findValue(xRefColumns->getElementNames(),sRelatedColumn);
156 if(nFindIndex != -1)
157 xNewConnData->SetFieldIndex(JTCS_TO,nFindIndex+1);
158 else
159 OSL_FAIL("Column not found!")do { if (true && (((sal_Bool)1))) { sal_detail_logFormat
((SAL_DETAIL_LOG_LEVEL_WARN), ("legacy.osl"), ("/home/maarten/src/libreoffice/core/dbaccess/source/ui/querydesign/QueryTableView.cxx"
":" "159" ": "), "%s", "Column not found!"); } } while (false
)
;
160 }
161 xNewConnData->AppendConnLine(rElement,sRelatedColumn);
162
163 // now add the Conn itself
164 ScopedVclPtrInstance< OQueryTableConnection > aNewConn(_pView, xNewConnData);
165 // referring to the local variable is not important, as NotifyQueryTabConn creates a new copy
166 // to add me (if not existent)
167 _pView->NotifyTabConnection(*aNewConn, false);
168 // don't create an Undo-Action for the new connection : the connection is
169 // covered by the Undo-Action for the tabwin, as the "Undo the insert" will
170 // automatically remove all connections adjacent to the win.
171 // (Because of this automatism we would have an ownership ambiguity for
172 // the connection data if we would insert the conn-Undo-Action)
173 }
174 }
175}
176
177OQueryTableView::OQueryTableView( vcl::Window* pParent,OQueryDesignView* pView)
178 : OJoinTableView( pParent,pView)
179{
180 SetHelpId(HID_CTL_QRYDGNTAB"DBACCESS_HID_CTL_QRYDGNTAB");
181}
182
183sal_Int32 OQueryTableView::CountTableAlias(const OUString& rName, sal_Int32& rMax)
184{
185 sal_Int32 nRet = 0;
186
187 OTableWindowMap::const_iterator aIter = GetTabWinMap().find(rName);
188 while(aIter != GetTabWinMap().end())
189 {
190 OUString aNewName = rName + "_" + OUString::number(++nRet);
191 aIter = GetTabWinMap().find(aNewName);
192 }
193
194 rMax = nRet;
195
196 return nRet;
197}
198
199void OQueryTableView::ReSync()
200{
201 TTableWindowData& rTabWinDataList = m_pView->getController().getTableWindowData();
202 OSL_ENSURE((getTableConnections().empty()) && (GetTabWinMap().empty()),do { if (true && (!((getTableConnections().empty()) &&
(GetTabWinMap().empty())))) { sal_detail_logFormat((SAL_DETAIL_LOG_LEVEL_WARN
), ("legacy.osl"), ("/home/maarten/src/libreoffice/core/dbaccess/source/ui/querydesign/QueryTableView.cxx"
":" "203" ": "), "%s", "before calling OQueryTableView::ReSync() please call ClearAll !"
); } } while (false)
203 "before calling OQueryTableView::ReSync() please call ClearAll !")do { if (true && (!((getTableConnections().empty()) &&
(GetTabWinMap().empty())))) { sal_detail_logFormat((SAL_DETAIL_LOG_LEVEL_WARN
), ("legacy.osl"), ("/home/maarten/src/libreoffice/core/dbaccess/source/ui/querydesign/QueryTableView.cxx"
":" "203" ": "), "%s", "before calling OQueryTableView::ReSync() please call ClearAll !"
); } } while (false)
;
204
205 // I need a collection of all window names that cannot be created so that I do not initialize connections for them.
206 std::vector<OUString> arrInvalidTables;
207
208 TTableWindowData::const_reverse_iterator aIter = rTabWinDataList.rbegin();
209 // Create the window and add it
210
211 for(;aIter != rTabWinDataList.rend();++aIter)
212 {
213 OQueryTableWindowData* pData = static_cast<OQueryTableWindowData*>(aIter->get());
214 VclPtr<OTableWindow> pTabWin = createWindow(*aIter);
215
216 // I don't use ShowTabWin as this adds the window data to the list of documents.
217 // This would be bad as I am getting them from there.
218 // Instead, I do it step by step
219 if (!pTabWin->Init())
220 {
221 // The initialisation has gone wrong, this TabWin is not available, so
222 // I must clean up the data and the document
223 pTabWin->clearListBox();
224 pTabWin.disposeAndClear();
225 arrInvalidTables.push_back(pData->GetAliasName());
226
227 rTabWinDataList.erase( std::remove(rTabWinDataList.begin(), rTabWinDataList.end(), *aIter), rTabWinDataList.end());
228 continue;
229 }
230
231 GetTabWinMap()[pData->GetAliasName()] = pTabWin; // add at the beginning as I am going backwards through the DataList
232 // Use the default if there is no position or size
233 if (!pData->HasPosition() && !pData->HasSize())
234 SetDefaultTabWinPosSize(pTabWin);
235
236 pTabWin->Show();
237 }
238
239 // Add the connections
240 TTableConnectionData& rTabConnDataList = m_pView->getController().getTableConnectionData();
241 TTableConnectionData::const_reverse_iterator aConIter = rTabConnDataList.rbegin();
242
243 for(;aConIter != rTabConnDataList.rend();++aConIter)
244 {
245 OQueryTableConnectionData* pTabConnData = static_cast<OQueryTableConnectionData*>(aConIter->get());
246
247 // do both tables for the connection exist ?
248 OUString strTabExistenceTest = pTabConnData->getReferencingTable()->GetWinName();
249 bool bInvalid = std::find(arrInvalidTables.begin(),arrInvalidTables.end(),strTabExistenceTest) != arrInvalidTables.end();
250 strTabExistenceTest = pTabConnData->getReferencedTable()->GetWinName();
251 bInvalid = bInvalid && std::find(arrInvalidTables.begin(),arrInvalidTables.end(),strTabExistenceTest) != arrInvalidTables.end();
252
253 if (bInvalid)
254 {
255 // no -> bad luck, no connection
256 rTabConnDataList.erase( std::remove(rTabConnDataList.begin(), rTabConnDataList.end(), *aConIter), rTabConnDataList.end());
257 continue;
258 }
259
260 // adds a new connection to join view and notifies our accessible and invalidates the controller
261 addConnection(VclPtr<OQueryTableConnection>::Create(this, *aConIter));
262 }
263}
264
265void OQueryTableView::ClearAll()
266{
267 OJoinTableView::ClearAll();
268
269 SetUpdateMode(true);
270 m_pView->getController().setModified(true);
271}
272
273VclPtr<OTableWindow> OQueryTableView::createWindow(const TTableWindowData::value_type& _pData)
274{
275 return VclPtr<OQueryTableWindow>::Create(this,_pData);
276}
277
278void OQueryTableView::NotifyTabConnection(const OQueryTableConnection& rNewConn, bool _bCreateUndoAction)
279{
280 // let's first check if I have the connection already
281 OQueryTableConnection* pTabConn = nullptr;
282 const auto& rConnections = getTableConnections();
283 auto aEnd = rConnections.end();
284 auto aIter = std::find( rConnections.begin(),
285 aEnd,
286 VclPtr<OTableConnection>(const_cast<OTableConnection*>(static_cast<const OTableConnection*>(&rNewConn)))
7
Calling implicit destructor for 'VclPtr<dbaui::OTableConnection>'
8
Calling '~Reference'
15
Returning from '~Reference'
16
Returning from destructor for 'VclPtr<dbaui::OTableConnection>'
287 );
288 if(aIter == aEnd)
17
Taking true branch
289 {
290 for (auto const& connection : rConnections)
291 {
292 if(*static_cast<OQueryTableConnection*>(connection.get()) == rNewConn)
18
Use of memory after it is freed
293 {
294 pTabConn = static_cast<OQueryTableConnection*>(connection.get());
295 break;
296 }
297 }
298 }
299 else
300 pTabConn = static_cast<OQueryTableConnection*>((*aIter).get());
301
302 // no -> insert
303 if (pTabConn == nullptr)
304 {
305 // the new data ...
306 auto pNewData = std::static_pointer_cast<OQueryTableConnectionData>(rNewConn.GetData()->NewInstance());
307 pNewData->CopyFrom(*rNewConn.GetData());
308 VclPtrInstance<OQueryTableConnection> pNewConn(this, pNewData);
309 GetConnection(pNewConn);
310
311 connectionModified(this,pNewConn,_bCreateUndoAction);
312 }
313}
314
315std::shared_ptr<OTableWindowData> OQueryTableView::CreateImpl(const OUString& _rComposedName
316 ,const OUString& _sTableName
317 ,const OUString& _rWinName)
318{
319 return std::make_shared<OQueryTableWindowData>( _rComposedName, _sTableName,_rWinName );
320}
321
322void OQueryTableView::AddTabWin(const OUString& _rTableName, const OUString& _rAliasName, bool bNewTable)
323{
324 // this method has been inherited from the base class, linking back to the parent and which constructs
325 // an Alias and which passes on to my other AddTabWin
326
327 // pity _rTableName is fully qualified, OQueryDesignView expects a string which only
328 // contains schema and tables but no catalog.
329 Reference< XConnection> xConnection = m_pView->getController().getConnection();
330 if(!xConnection.is())
331 return;
332 try
333 {
334 Reference< XDatabaseMetaData > xMetaData = xConnection->getMetaData();
335 OUString sCatalog, sSchema, sTable;
336 ::dbtools::qualifiedNameComponents(xMetaData,
337 _rTableName,
338 sCatalog,
339 sSchema,
340 sTable,
341 ::dbtools::EComposeRule::InDataManipulation);
342 OUString sRealName(sSchema);
343 if (!sRealName.isEmpty())
344 sRealName += ".";
345 sRealName += sTable;
346
347 AddTabWin(_rTableName, sRealName, _rAliasName, bNewTable);
348 }
349 catch(SQLException&)
350 {
351 OSL_FAIL("qualifiedNameComponents")do { if (true && (((sal_Bool)1))) { sal_detail_logFormat
((SAL_DETAIL_LOG_LEVEL_WARN), ("legacy.osl"), ("/home/maarten/src/libreoffice/core/dbaccess/source/ui/querydesign/QueryTableView.cxx"
":" "351" ": "), "%s", "qualifiedNameComponents"); } } while
(false)
;
352 }
353}
354
355// find the table which has a foreign key with this referencedTable name
356static Reference<XPropertySet> getKeyReferencedTo(const Reference<XIndexAccess>& _rxKeys,const OUString& _rReferencedTable)
357{
358 if(!_rxKeys.is())
359 return Reference<XPropertySet>();
360
361 // search the one and only primary key
362 const sal_Int32 nCount = _rxKeys->getCount();
363 for(sal_Int32 i=0;i<nCount ;++i)
364 {
365 Reference<XPropertySet> xKey(_rxKeys->getByIndex(i),UNO_QUERY);
366 if(xKey.is())
367 {
368 sal_Int32 nKeyType = 0;
369 xKey->getPropertyValue(PROPERTY_TYPE"Type") >>= nKeyType;
370 if(KeyType::FOREIGN == nKeyType)
371 {
372 OUString sReferencedTable;
373 xKey->getPropertyValue(PROPERTY_REFERENCEDTABLE"ReferencedTable") >>= sReferencedTable;
374 // TODO check case
375 if(sReferencedTable == _rReferencedTable)
376 return xKey;
377 }
378 }
379 }
380 return Reference<XPropertySet>();
381}
382
383void OQueryTableView::AddTabWin(const OUString& _rComposedName, const OUString& _rTableName, const OUString& strAlias, bool bNewTable)
384{
385 OSL_ENSURE(!_rTableName.isEmpty() || !strAlias.isEmpty(), "OQueryTableView::AddTabWin : no tables or aliases !")do { if (true && (!(!_rTableName.isEmpty() || !strAlias
.isEmpty()))) { sal_detail_logFormat((SAL_DETAIL_LOG_LEVEL_WARN
), ("legacy.osl"), ("/home/maarten/src/libreoffice/core/dbaccess/source/ui/querydesign/QueryTableView.cxx"
":" "385" ": "), "%s", "OQueryTableView::AddTabWin : no tables or aliases !"
); } } while (false)
;
386 // If the table is not set, then it is a dummy window, but at least the alias must be set
387
388 // build a new data structure
389 // first check if this already has its data
390 bool bAppend = bNewTable;
391 TTableWindowData::value_type pNewTabWinData;
392 TTableWindowData& rWindowData = getDesignView()->getController().getTableWindowData();
393 bool bFoundElem = false;
394 for (auto const& elem : rWindowData)
395 {
396 pNewTabWinData = elem;
397 if (pNewTabWinData && pNewTabWinData->GetWinName() == strAlias && pNewTabWinData->GetComposedName() == _rComposedName && pNewTabWinData->GetTableName() == _rTableName)
398 {
399 bFoundElem = true;
400 break;
401 }
402 }
403 if ( !bAppend )
404 bAppend = !bFoundElem;
405 if ( bAppend )
406 pNewTabWinData = createTableWindowData(_rComposedName, _rTableName, strAlias);
407 // I do not need to add TabWinData to the DocShell list, ShowTabWin does that.
408
409 // Create a new window
410 VclPtr<OQueryTableWindow> pNewTabWin = static_cast<OQueryTableWindow*>(createWindow(pNewTabWinData).get());
411 // No need to initialize, as that happens in ShowTabWin
412
413 // New UndoAction
414 std::unique_ptr<OQueryTabWinShowUndoAct> pUndoAction(new OQueryTabWinShowUndoAct(this));
415 pUndoAction->SetTabWin(pNewTabWin); // Window
416 bool bSuccess = ShowTabWin(pNewTabWin, pUndoAction.get(), bAppend);
417 if(!bSuccess)
418 {
419 // reset table window
420 pUndoAction->SetTabWin(nullptr);
421 pUndoAction->SetOwnership(false);
422 return;
423 }
424
425 // Show the relations between the individual tables
426 OTableWindowMap& rTabWins = GetTabWinMap();
427 if(bNewTable && !rTabWins.empty() && !_rTableName.isEmpty())
428 {
429 modified();
430 if ( m_pAccessible )
431 m_pAccessible->notifyAccessibleEvent( AccessibleEventId::CHILD,
432 Any(),
433 makeAny(pNewTabWin->GetAccessible())
434 );
435
436 do {
437
438 if ( pNewTabWin->GetData()->isQuery() )
439 break;
440
441 try
442 {
443 // find relations between the table and the tables already inserted
444 Reference< XIndexAccess> xKeyIndex = pNewTabWin->GetData()->getKeys();
445 if ( !xKeyIndex.is() )
446 break;
447
448 Reference<XNameAccess> xFKeyColumns;
449 OUString aReferencedTable;
450 Reference<XColumnsSupplier> xColumnsSupplier;
451
452 const sal_Int32 nKeyCount = xKeyIndex->getCount();
453 for ( sal_Int32 i=0; i<nKeyCount ; ++i )
454 {
455 Reference< XPropertySet > xProp( xKeyIndex->getByIndex(i), UNO_QUERY_THROW );
456 xColumnsSupplier.set( xProp, UNO_QUERY_THROW );
457 xFKeyColumns.set( xColumnsSupplier->getColumns(), UNO_SET_THROW );
458
459 sal_Int32 nKeyType = 0;
460 xProp->getPropertyValue(PROPERTY_TYPE"Type") >>= nKeyType;
461
462 switch ( nKeyType )
463 {
464 case KeyType::FOREIGN:
465 { // our new table has a foreign key
466 // so look if the referenced table is already in our list
467 xProp->getPropertyValue(PROPERTY_REFERENCEDTABLE"ReferencedTable") >>= aReferencedTable;
468 OSL_ENSURE(!aReferencedTable.isEmpty(),"Foreign key without referencedTableName")do { if (true && (!(!aReferencedTable.isEmpty()))) { sal_detail_logFormat
((SAL_DETAIL_LOG_LEVEL_WARN), ("legacy.osl"), ("/home/maarten/src/libreoffice/core/dbaccess/source/ui/querydesign/QueryTableView.cxx"
":" "468" ": "), "%s", "Foreign key without referencedTableName"
); } } while (false)
;
469
470 OTableWindowMap::const_iterator aIter = rTabWins.find(aReferencedTable);
471 OTableWindowMap::const_iterator aEnd = rTabWins.end();
472 if(aIter == aEnd)
473 {
474 for(aIter = rTabWins.begin();aIter != aEnd;++aIter)
475 {
476 OQueryTableWindow* pTabWinTmp = static_cast<OQueryTableWindow*>(aIter->second.get());
477 OSL_ENSURE( pTabWinTmp,"TableWindow is null!" )do { if (true && (!(pTabWinTmp))) { sal_detail_logFormat
((SAL_DETAIL_LOG_LEVEL_WARN), ("legacy.osl"), ("/home/maarten/src/libreoffice/core/dbaccess/source/ui/querydesign/QueryTableView.cxx"
":" "477" ": "), "%s", "TableWindow is null!"); } } while (false
)
;
478 if ( pTabWinTmp != pNewTabWin && pTabWinTmp->GetComposedName() == aReferencedTable )
479 break;
480 }
481 }
482 if ( aIter != aEnd && pNewTabWin.get() != aIter->second.get() )
483 addConnections( this, *pNewTabWin, *static_cast<OQueryTableWindow*>(aIter->second.get()), xFKeyColumns );
484 }
485 break;
486
487 case KeyType::PRIMARY:
488 {
489 // we have a primary key so look in our list if there exists a key which this is referred to
490 for (auto const& tabWin : rTabWins)
491 {
492 OQueryTableWindow* pTabWinTmp = static_cast<OQueryTableWindow*>(tabWin.second.get());
493 if ( pTabWinTmp == pNewTabWin )
494 continue;
495
496 if ( pTabWinTmp->GetData()->isQuery() )
497 continue;
498
499 OSL_ENSURE(pTabWinTmp,"TableWindow is null!")do { if (true && (!(pTabWinTmp))) { sal_detail_logFormat
((SAL_DETAIL_LOG_LEVEL_WARN), ("legacy.osl"), ("/home/maarten/src/libreoffice/core/dbaccess/source/ui/querydesign/QueryTableView.cxx"
":" "499" ": "), "%s", "TableWindow is null!"); } } while (false
)
;
500 Reference< XPropertySet > xFKKey = getKeyReferencedTo( pTabWinTmp->GetData()->getKeys(), pNewTabWin->GetComposedName() );
501 if ( !xFKKey.is() )
502 continue;
503
504 Reference<XColumnsSupplier> xFKColumnsSupplier( xFKKey, UNO_QUERY_THROW );
505 Reference< XNameAccess > xTColumns( xFKColumnsSupplier->getColumns(), UNO_SET_THROW );
506 addConnections( this, *pTabWinTmp, *pNewTabWin, xTColumns );
507 }
508 }
509 break;
510 }
511 }
512 }
513 catch( const Exception& )
514 {
515 DBG_UNHANDLED_EXCEPTION("dbaccess")DbgUnhandledException( DbgGetCaughtException(), __func__, "/home/maarten/src/libreoffice/core/dbaccess/source/ui/querydesign/QueryTableView.cxx"
":" "515" ": ", "dbaccess" );
;
516 }
517
518 } while ( false );
519 }
520
521 // My parent needs to be informed about the delete
522 m_pView->getController().addUndoActionAndInvalidate( std::move(pUndoAction) );
523}
524
525void OQueryTableView::AddConnection(const OJoinExchangeData& jxdSource, const OJoinExchangeData& jxdDest)
526{
527 OQueryTableWindow* pSourceWin = static_cast< OQueryTableWindow*>(jxdSource.pListBox->GetTabWin());
528 OQueryTableWindow* pDestWin = static_cast< OQueryTableWindow*>(jxdDest.pListBox->GetTabWin());
529
530 OUString aSourceFieldName, aDestFieldName;
531 weld::TreeView& rSourceTreeView = jxdSource.pListBox->get_widget();
532 aSourceFieldName = rSourceTreeView.get_text(jxdSource.nEntry);
533 weld::TreeView& rDestTreeView = jxdDest.pListBox->get_widget();
534 aDestFieldName = rDestTreeView.get_text(jxdDest.nEntry);
535
536 OTableConnection* pConn = GetTabConn(pSourceWin,pDestWin,true);
537 if ( !pConn )
1
Assuming 'pConn' is null
2
Taking true branch
538 {
539 // new data object
540 auto xNewConnectionData = std::make_shared<OQueryTableConnectionData>(pSourceWin->GetData(), pDestWin->GetData());
541
542 sal_uInt32 nSourceFieldIndex, nDestFieldIndex;
543
544 // Get name/position of both affected fields ...
545 // Source
546 nSourceFieldIndex = jxdSource.nEntry;
547 // Dest
548 nDestFieldIndex = jxdDest.nEntry;
549
550 // ... and set them
551 xNewConnectionData->SetFieldIndex(JTCS_FROM, nSourceFieldIndex);
552 xNewConnectionData->SetFieldIndex(JTCS_TO, nDestFieldIndex);
553
554 xNewConnectionData->AppendConnLine( aSourceFieldName,aDestFieldName );
555
556 ScopedVclPtrInstance< OQueryTableConnection > aNewConnection(this, xNewConnectionData);
3
Calling constructor for 'ScopedVclPtrInstance<dbaui::OQueryTableConnection>'
5
Returning from constructor for 'ScopedVclPtrInstance<dbaui::OQueryTableConnection>'
557 NotifyTabConnection(*aNewConnection);
6
Calling 'OQueryTableView::NotifyTabConnection'
558 // As usual with NotifyTabConnection, using a local variable is fine because a copy is made
559 }
560 else
561 {
562 // the connection could point on the other side
563 if(pConn->GetSourceWin() == pDestWin)
564 {
565 OUString aTmp(aSourceFieldName);
566 aSourceFieldName = aDestFieldName;
567 aDestFieldName = aTmp;
568 }
569
570 pConn->GetData()->AppendConnLine( aSourceFieldName,aDestFieldName );
571
572 connectionModified(this,pConn,false);
573 }
574}
575
576void OQueryTableView::ConnDoubleClicked(VclPtr<OTableConnection>& rConnection)
577{
578 if (openJoinDialog(this, rConnection->GetData(), false))
579 {
580 connectionModified(this, rConnection, false);
581 SelectConn(rConnection);
582 }
583}
584
585void OQueryTableView::createNewConnection()
586{
587 TTableConnectionData::value_type pData = std::make_shared<OQueryTableConnectionData>();
588 if( !openJoinDialog(this,pData,true) )
589 return;
590
591 OTableWindowMap& rMap = GetTabWinMap();
592 OQueryTableWindow* pSourceWin = static_cast< OQueryTableWindow*>(rMap[pData->getReferencingTable()->GetWinName()].get());
593 OQueryTableWindow* pDestWin = static_cast< OQueryTableWindow*>(rMap[pData->getReferencedTable()->GetWinName()].get());
594 // first we have to look if the this connection already exists
595 OTableConnection* pConn = GetTabConn(pSourceWin,pDestWin,true);
596 bool bNew = true;
597 if ( pConn )
598 {
599 pConn->GetData()->CopyFrom( *pData );
600 bNew = false;
601 }
602 else
603 {
604 // create a new connection and append it
605 VclPtrInstance<OQueryTableConnection> pQConn(this, pData);
606 GetConnection(pQConn);
607 pConn = pQConn;
608 }
609 connectionModified(this,pConn,bNew);
610 if ( !bNew && pConn == GetSelectedConn() ) // our connection was selected before so we have to reselect it
611 SelectConn( pConn );
612}
613
614bool OQueryTableView::RemoveConnection(VclPtr<OTableConnection>& rConnection, bool /*_bDelete*/)
615{
616 VclPtr<OQueryTableConnection> xConnection(static_cast<OQueryTableConnection*>(rConnection.get()));
617
618 // we don't want that our connection will be deleted, we put it in the undo manager
619 bool bRet = OJoinTableView::RemoveConnection(rConnection, false);
620
621 // add undo action
622 addUndoAction(this,
623 std::make_unique<OQueryDelTabConnUndoAction>(this),
624 xConnection.get(),
625 true);
626
627 return bRet;
628}
629
630OQueryTableWindow* OQueryTableView::FindTable(const OUString& rAliasName)
631{
632 OSL_ENSURE(!rAliasName.isEmpty(), "OQueryTableView::FindTable : the AliasName should not be empty !")do { if (true && (!(!rAliasName.isEmpty()))) { sal_detail_logFormat
((SAL_DETAIL_LOG_LEVEL_WARN), ("legacy.osl"), ("/home/maarten/src/libreoffice/core/dbaccess/source/ui/querydesign/QueryTableView.cxx"
":" "632" ": "), "%s", "OQueryTableView::FindTable : the AliasName should not be empty !"
); } } while (false)
;
633 // (it is harmless but does not make sense and indicates that there is probably an error in the caller)
634 OTableWindowMap::const_iterator aIter = GetTabWinMap().find(rAliasName);
635 if(aIter != GetTabWinMap().end())
636 return static_cast<OQueryTableWindow*>(aIter->second.get());
637 return nullptr;
638}
639
640bool OQueryTableView::FindTableFromField(const OUString& rFieldName, OTableFieldDescRef const & rInfo, sal_uInt16& rCnt)
641{
642 rCnt = 0;
643 for (auto const& tabWin : GetTabWinMap())
644 {
645 if(static_cast<OQueryTableWindow*>(tabWin.second.get())->ExistsField(rFieldName, rInfo))
646 ++rCnt;
647 }
648 // TODO JNA : what should we rCnt > 1?
649
650 return rCnt == 1;
651}
652
653bool OQueryTableView::ContainsTabWin(const OTableWindow& rTabWin)
654{
655
656 for (auto const& tabWin : GetTabWinMap())
657 {
658 if ( tabWin.second == &rTabWin )
659 {
660 return true;
661 }
662 }
663
664 return false;
665}
666
667void OQueryTableView::RemoveTabWin(OTableWindow* pTabWin)
668{
669 OSL_ENSURE(pTabWin != nullptr, "OQueryTableView::RemoveTabWin : Window should not be NULL !")do { if (true && (!(pTabWin != nullptr))) { sal_detail_logFormat
((SAL_DETAIL_LOG_LEVEL_WARN), ("legacy.osl"), ("/home/maarten/src/libreoffice/core/dbaccess/source/ui/querydesign/QueryTableView.cxx"
":" "669" ": "), "%s", "OQueryTableView::RemoveTabWin : Window should not be NULL !"
); } } while (false)
;
670
671 if(!(pTabWin && ContainsTabWin(*pTabWin))) // #i122589# check if registered before deleting
672 return;
673
674 // I need my parent so it can be informed about the deletion
675 OQueryDesignView* pParent = static_cast<OQueryDesignView*>(getDesignView());
676
677 SfxUndoManager& rUndoMgr = m_pView->getController().GetUndoManager();
678 rUndoMgr.EnterListAction(DBA_RES(STR_QUERY_UNDO_TABWINDELETE)::dbaccess::ResourceManager::loadString( reinterpret_cast<
char const *>("STR_QUERY_UNDO_TABWINDELETE" "\004" u8"Delete Table Window"
) )
, OUString(), 0, ViewShellId(-1));
679
680 // add the Undo-Action
681 std::unique_ptr<OQueryTabWinDelUndoAct> pUndoAction(new OQueryTabWinDelUndoAct(this));
682 pUndoAction->SetTabWin(static_cast< OQueryTableWindow*>(pTabWin));
683
684 // and hide the window
685 HideTabWin(static_cast< OQueryTableWindow*>(pTabWin), pUndoAction.get());
686
687 // Undo Actions and delete the fields in SelectionBrowseBox
688 pParent->TableDeleted( static_cast< OQueryTableWindowData*>(pTabWin->GetData().get())->GetAliasName() );
689
690 m_pView->getController().addUndoActionAndInvalidate( std::move(pUndoAction) );
691 rUndoMgr.LeaveListAction();
692
693 modified();
694 if ( m_pAccessible )
695 m_pAccessible->notifyAccessibleEvent( AccessibleEventId::CHILD,
696 makeAny(pTabWin->GetAccessible()),
697 Any()
698 );
699}
700
701void OQueryTableView::EnsureVisible(const OTableWindow* pWin)
702{
703
704 Invalidate(InvalidateFlags::NoChildren);
705 OJoinTableView::EnsureVisible(pWin);
706}
707
708void OQueryTableView::GetConnection(OQueryTableConnection* pConn)
709{
710 // add to me and the document
711
712 addConnection( pConn );
713}
714
715void OQueryTableView::DropConnection(VclPtr<OQueryTableConnection> const & rConn)
716{
717 // Pay attention to the selection
718 // remove from me and the document
719 VclPtr<OTableConnection> xConn(rConn.get());
720 RemoveConnection(xConn, false);
721}
722
723void OQueryTableView::HideTabWin( OQueryTableWindow* pTabWin, OQueryTabWinUndoAct* pUndoAction )
724{
725 OTableWindowMap& rTabWins = GetTabWinMap();
726
727 // Window
728 // save the position in its data
729 getDesignView()->SaveTabWinUIConfig(pTabWin);
730 // (I need to go via the parent, as only the parent knows the position of the scrollbars)
731 // and then out of the TabWins list and hide
732 OTableWindowMap::const_iterator aIter = std::find_if(rTabWins.begin(), rTabWins.end(),
733 [&pTabWin](const OTableWindowMap::value_type& rEntry) { return rEntry.second == pTabWin; });
734 if (aIter != rTabWins.end())
735 rTabWins.erase( aIter );
736
737 pTabWin->Hide(); // do not destroy it, as it is still in the undo list!!
738
739 // the TabWin data must also be passed out of my responsibility
740 TTableWindowData& rTabWinDataList = m_pView->getController().getTableWindowData();
741 rTabWinDataList.erase( std::remove(rTabWinDataList.begin(), rTabWinDataList.end(), pTabWin->GetData()), rTabWinDataList.end());
742 // The data should not be destroyed as TabWin itself - which is still alive - needs them
743 // Either it goes back into my responsibility, (via ShowTabWin), then I add the data back,
744 // or the Undo-Action, which currently has full responsibility for the window
745 // and its data, gets destroyed and destroys both the window and its data
746
747 if (m_pLastFocusTabWin == pTabWin)
748 m_pLastFocusTabWin = nullptr;
749
750 // collect connections belonging to the window and pass to UndoAction
751 sal_Int16 nCnt = 0;
752 const auto& rTabConList = getTableConnections();
753 auto aIter2 = rTabConList.begin();
754 for(;aIter2 != rTabConList.end();)// the end may change
755 {
756 VclPtr<OTableConnection> xTmpEntry = *aIter2;
757 OQueryTableConnection* pTmpEntry = static_cast<OQueryTableConnection*>(xTmpEntry.get());
758 OSL_ENSURE(pTmpEntry,"OQueryTableConnection is null!")do { if (true && (!(pTmpEntry))) { sal_detail_logFormat
((SAL_DETAIL_LOG_LEVEL_WARN), ("legacy.osl"), ("/home/maarten/src/libreoffice/core/dbaccess/source/ui/querydesign/QueryTableView.cxx"
":" "758" ": "), "%s", "OQueryTableConnection is null!"); } }
while (false)
;
759 if( pTmpEntry->GetAliasName(JTCS_FROM) == pTabWin->GetAliasName() ||
760 pTmpEntry->GetAliasName(JTCS_TO) == pTabWin->GetAliasName() )
761 {
762 // add to undo list
763 pUndoAction->InsertConnection(xTmpEntry);
764
765 // call base class because we append an undo action
766 // but this time we are in an undo action list
767 OJoinTableView::RemoveConnection(xTmpEntry, false);
768 aIter2 = rTabConList.begin();
769 ++nCnt;
770 }
771 else
772 ++aIter2;
773 }
774
775 if (nCnt)
776 InvalidateConnections();
777
778 m_pView->getController().InvalidateFeature(ID_BROWSER_ADDTABLE( 10000 + 722 ));
779
780 // inform the UndoAction that the window and connections belong to it
781 pUndoAction->SetOwnership(true);
782
783 // by doing so, we have modified the document
784 m_pView->getController().setModified( true );
785 m_pView->getController().InvalidateFeature(SID_BROWSER_CLEAR_QUERY( ((((((((10000 + 1499) + 1) + 499) + 1) + 100) + 1) + 149) +
1) + 44 )
);
786}
787
788bool OQueryTableView::ShowTabWin( OQueryTableWindow* pTabWin, OQueryTabWinUndoAct* pUndoAction, bool _bAppend )
789{
790
791 bool bSuccess = false;
792
793 if (pTabWin)
794 {
795 if (pTabWin->Init())
796 {
797 TTableWindowData::value_type pData = pTabWin->GetData();
798 OSL_ENSURE(pData != nullptr, "OQueryTableView::ShowTabWin : TabWin has no data !")do { if (true && (!(pData != nullptr))) { sal_detail_logFormat
((SAL_DETAIL_LOG_LEVEL_WARN), ("legacy.osl"), ("/home/maarten/src/libreoffice/core/dbaccess/source/ui/querydesign/QueryTableView.cxx"
":" "798" ": "), "%s", "OQueryTableView::ShowTabWin : TabWin has no data !"
); } } while (false)
;
799 // If there is a position and size defined, we use them
800 if (pData->HasPosition() && pData->HasSize())
801 {
802 Size aSize(CalcZoom(pData->GetSize().Width()),CalcZoom(pData->GetSize().Height()));
803 pTabWin->SetPosSizePixel(pData->GetPosition(), aSize);
804 }
805 else
806 // else set a default position
807 SetDefaultTabWinPosSize(pTabWin);
808
809 // Show the window and add to the list
810 OUString sName = static_cast< OQueryTableWindowData*>(pData.get())->GetAliasName();
811 OSL_ENSURE(GetTabWinMap().find(sName) == GetTabWinMap().end(),"Alias name already in list!")do { if (true && (!(GetTabWinMap().find(sName) == GetTabWinMap
().end()))) { sal_detail_logFormat((SAL_DETAIL_LOG_LEVEL_WARN
), ("legacy.osl"), ("/home/maarten/src/libreoffice/core/dbaccess/source/ui/querydesign/QueryTableView.cxx"
":" "811" ": "), "%s", "Alias name already in list!"); } } while
(false)
;
812 GetTabWinMap().emplace(sName,pTabWin);
813
814 pTabWin->Show();
815
816 pTabWin->PaintImmediately();
817 // We must call Update() in order to show the connections in the window correctly. This sounds strange,
818 // but the Listbox has an internal Member which is initialized when the Listbox is first shown (after the Listbox
819 // is filled in Init). This Member will eventually be needed for
820 // GetEntryPos, and then in turn by the Connection, when its starting point to the window must be determined.
821
822 // the Connections
823 auto rTableCon = pUndoAction->GetTabConnList();
824 for(const auto& conn : rTableCon)
825 addConnection(conn); // add all connections from the undo action
826
827 rTableCon.clear();
828
829 // and add the window's data to the list (of the document)
830 if(_bAppend)
831 m_pView->getController().getTableWindowData().push_back(pTabWin->GetData());
832
833 m_pView->getController().InvalidateFeature(ID_BROWSER_ADDTABLE( 10000 + 722 ));
834
835 // and inform the UndoAction that the window belongs to me
836 pUndoAction->SetOwnership(false);
837
838 bSuccess = true;
839 }
840 else
841 {
842 // Initialisation failed
843 // (for example when the Connection to the database is not available at the moment)
844 pTabWin->clearListBox();
845 pTabWin->disposeOnce();
846 }
847 }
848
849 // show that I have changed the document
850 if(!m_pView->getController().isReadOnly())
851 m_pView->getController().setModified( true );
852
853 m_pView->getController().InvalidateFeature(SID_BROWSER_CLEAR_QUERY( ((((((((10000 + 1499) + 1) + 499) + 1) + 100) + 1) + 149) +
1) + 44 )
);
854
855 return bSuccess;
856}
857
858void OQueryTableView::InsertField(const OTableFieldDescRef& rInfo)
859{
860 OSL_ENSURE(getDesignView() != nullptr, "OQueryTableView::InsertField : has no Parent !")do { if (true && (!(getDesignView() != nullptr))) { sal_detail_logFormat
((SAL_DETAIL_LOG_LEVEL_WARN), ("legacy.osl"), ("/home/maarten/src/libreoffice/core/dbaccess/source/ui/querydesign/QueryTableView.cxx"
":" "860" ": "), "%s", "OQueryTableView::InsertField : has no Parent !"
); } } while (false)
;
861 static_cast<OQueryDesignView*>(getDesignView())->InsertField(rInfo);
862}
863
864bool OQueryTableView::ExistsAVisitedConn(const OQueryTableWindow* pFrom) const
865{
866 for(const auto& conn : getTableConnections())
867 {
868 OQueryTableConnection* pTemp = static_cast<OQueryTableConnection*>(conn.get());
869 if (pTemp->IsVisited() &&
870 (pFrom == static_cast< OQueryTableWindow*>(pTemp->GetSourceWin()) || pFrom == static_cast< OQueryTableWindow*>(pTemp->GetDestWin())))
871 return true;
872 }
873
874 return false;
875}
876
877void OQueryTableView::onNoColumns_throw()
878{
879 OUString sError(DBA_RES(STR_STATEMENT_WITHOUT_RESULT_SET)::dbaccess::ResourceManager::loadString( reinterpret_cast<
char const *>("STR_STATEMENT_WITHOUT_RESULT_SET" "\004" u8"The query does not create a result set, and thus cannot be part of another query."
) )
);
880 ::dbtools::throwSQLException( sError, ::dbtools::StandardSQLState::GENERAL_ERROR, nullptr );
881}
882
883bool OQueryTableView::supressCrossNaturalJoin(const TTableConnectionData::value_type& _pData) const
884{
885 OQueryTableConnectionData* pQueryData = static_cast<OQueryTableConnectionData*>(_pData.get());
886 return pQueryData && (pQueryData->GetJoinType() == CROSS_JOIN);
887}
888
889/* 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);
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)
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 )
4
Memory is allocated
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)
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
8.1
Field 'm_pBody' is non-null
8.1
Field 'm_pBody' is non-null
8.1
Field 'm_pBody' is non-null
8.1
Field 'm_pBody' is non-null
)
9
Taking true branch
113 m_pBody->release();
10
Calling 'VclReferenceBase::release'
14
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;
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)
11
Assuming the condition is true
12
Taking true branch
40 delete this;
13
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