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

/home/maarten/src/libreoffice/core/sw/source/ui/dialog/ascfldlg.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 <sal/config.h>
21
22#include <utility>
23
24#include <hintids.hxx>
25#include <rtl/textenc.h>
26#include <i18nlangtag/mslangid.hxx>
27#include <com/sun/star/i18n/ScriptType.hpp>
28#include <unotools/lingucfg.hxx>
29#include <unotools/viewoptions.hxx>
30#include <sfx2/sfxsids.hrc>
31#include <sfx2/printer.hxx>
32#include <svl/languageoptions.hxx>
33#include <editeng/langitem.hxx>
34#include <swtypes.hxx>
35#include <ascfldlg.hxx>
36#include <shellio.hxx>
37#include <docsh.hxx>
38#include <doc.hxx>
39#include <IDocumentDeviceAccess.hxx>
40
41#include <vcl/metric.hxx>
42
43using namespace ::com::sun::star;
44
45namespace
46{
47
48const sal_Unicode cDialogExtraDataClose = '}';
49const char sDialogImpExtraData[] = "EncImpDlg:{";
50const char sDialogExpExtraData[] = "EncExpDlg:{";
51const sal_Int32 nDialogExtraDataLen = 11; // 12345678901
52
53}
54
55SwAsciiFilterDlg::SwAsciiFilterDlg( weld::Window* pParent, SwDocShell& rDocSh,
56 SvStream* pStream )
57 : SfxDialogController(pParent, "modules/swriter/ui/asciifilterdialog.ui", "AsciiFilterDialog")
58 , m_bSaveLineStatus(true)
59 , m_xCharSetLB(new SvxTextEncodingBox(m_xBuilder->weld_combo_box("charset")))
60 , m_xFontFT(m_xBuilder->weld_label("fontft"))
61 , m_xFontLB(m_xBuilder->weld_combo_box("font"))
62 , m_xLanguageFT(m_xBuilder->weld_label("languageft"))
63 , m_xLanguageLB(new SvxLanguageBox(m_xBuilder->weld_combo_box("language")))
64 , m_xCRLF_RB(m_xBuilder->weld_radio_button("crlf"))
65 , m_xCR_RB(m_xBuilder->weld_radio_button("cr"))
66 , m_xLF_RB(m_xBuilder->weld_radio_button("lf"))
67 , m_xIncludeBOM_CB(m_xBuilder->weld_check_button("includebom"))
68{
69 m_xFontLB->make_sorted();
70
71 SwAsciiOptions aOpt;
72 {
73 SvtViewOptions aDlgOpt(EViewType::Dialog, OStringToOUString(m_xDialog->get_help_id(), RTL_TEXTENCODING_UTF8(((rtl_TextEncoding) 76))));
74 if (aDlgOpt.Exists())
1
Assuming the condition is false
2
Taking false branch
75 {
76 css::uno::Any aUserItem = aDlgOpt.GetUserItem("UserItem");
77 aUserItem >>= m_sExtraData;
78 }
79
80 const OUString sFindNm = OUString::createFromAscii(
81 pStream ? sDialogImpExtraData
3
Assuming 'pStream' is non-null
4
'?' condition is true
82 : sDialogExpExtraData);
83 sal_Int32 nStt = m_sExtraData.indexOf( sFindNm );
84 if( -1 != nStt )
5
Assuming the condition is false
6
Taking false branch
85 {
86 nStt += nDialogExtraDataLen;
87 sal_Int32 nEnd = m_sExtraData.indexOf( cDialogExtraDataClose, nStt );
88 if( -1 != nEnd )
89 {
90 aOpt.ReadUserData(m_sExtraData.copy(nStt, nEnd - nStt));
91 nStt -= nDialogExtraDataLen;
92 m_sExtraData = m_sExtraData.replaceAt(nStt, nEnd - nStt + 1, "");
93 }
94 }
95 }
96
97 // read the first chars and check the charset, (language - with L&H)
98 if( pStream
6.1
'pStream' is non-null
6.1
'pStream' is non-null
6.1
'pStream' is non-null
6.1
'pStream' is non-null
)
7
Taking true branch
99 {
100 char aBuffer[ 4098 ];
101 const sal_uLong nOldPos = pStream->Tell();
102 const size_t nBytesRead = pStream->ReadBytes(aBuffer, 4096);
103 pStream->Seek( nOldPos );
104
105 if( nBytesRead <= 4096 )
8
Assuming 'nBytesRead' is <= 4096
9
Taking true branch
106 {
107 aBuffer[ nBytesRead ] = '0';
108 aBuffer[ nBytesRead+1 ] = '0';
109 }
110
111 bool bCR = false, bLF = false, bNullChar = false;
112 for( sal_uLong nCnt = 0; nCnt < nBytesRead; ++nCnt )
10
Assuming 'nCnt' is >= 'nBytesRead'
11
Loop condition is false. Execution continues on line 124
113 switch( aBuffer[ nCnt ] )
114 {
115 case 0x0: bNullChar = true; break;
116 case 0xA: bLF = true; break;
117 case 0xD: bCR = true; break;
118 case 0xC:
119 case 0x1A:
120 case 0x9: break;
121 default: break;
122 }
123
124 if( !bNullChar
11.1
'bNullChar' is false
11.1
'bNullChar' is false
11.1
'bNullChar' is false
11.1
'bNullChar' is false
)
12
Taking true branch
125 {
126 if( bCR
12.1
'bCR' is false
12.1
'bCR' is false
12.1
'bCR' is false
12.1
'bCR' is false
)
13
Taking false branch
127 {
128 if( bLF )
129 {
130 aOpt.SetParaFlags( LINEEND_CRLF );
131 }
132 else
133 {
134 aOpt.SetParaFlags( LINEEND_CR );
135 }
136 }
137 else if( bLF
13.1
'bLF' is false
13.1
'bLF' is false
13.1
'bLF' is false
13.1
'bLF' is false
)
14
Taking false branch
138 {
139 aOpt.SetParaFlags( LINEEND_LF );
140 }
141 }
142
143 const sal_uInt16 nAppScriptType = SvtLanguageOptions::GetI18NScriptTypeOfLanguage( GetAppLanguage() );
144 SwDoc* pDoc = rDocSh.GetDoc();
145
146 // initialize language
147 {
148 if( !aOpt.GetLanguage() )
15
Taking true branch
149 {
150 if(pDoc)
16
Assuming 'pDoc' is non-null
17
Taking true branch
151 {
152 const sal_uInt16 nWhich = GetWhichOfScript( RES_CHRATR_LANGUAGE, nAppScriptType);
153 aOpt.SetLanguage( static_cast<const SvxLanguageItem&>(pDoc->
154 GetDefault( nWhich )).GetLanguage());
155 }
156 else
157 {
158 SvtLinguOptions aLinguOpt;
159 SvtLinguConfig().GetOptions( aLinguOpt );
160 switch(nAppScriptType)
161 {
162 case css::i18n::ScriptType::ASIAN:
163 aOpt.SetLanguage(MsLangId::resolveSystemLanguageByScriptType(aLinguOpt.nDefaultLanguage_CJK, css::i18n::ScriptType::ASIAN));
164 break;
165 case css::i18n::ScriptType::COMPLEX:
166 aOpt.SetLanguage(MsLangId::resolveSystemLanguageByScriptType(aLinguOpt.nDefaultLanguage_CTL, css::i18n::ScriptType::COMPLEX));
167 break;
168 //SvtScriptType::LATIN:
169 default:
170 aOpt.SetLanguage(MsLangId::resolveSystemLanguageByScriptType(aLinguOpt.nDefaultLanguage, css::i18n::ScriptType::LATIN));
171 }
172 }
173 }
174
175 m_xLanguageLB->SetLanguageList( SvxLanguageListFlags::ALL, true );
176 m_xLanguageLB->set_active_id(aOpt.GetLanguage());
177 }
178
179 {
180 bool bDelPrinter = false;
181 VclPtr<SfxPrinter> pPrt = pDoc
17.1
'pDoc' is non-null
17.1
'pDoc' is non-null
17.1
'pDoc' is non-null
17.1
'pDoc' is non-null
? pDoc->getIDocumentDeviceAccess().getPrinter(false) : nullptr;
18
'?' condition is true
182 if( !pPrt )
19
Taking true branch
183 {
184 auto pSet = std::make_unique<SfxItemSet>( rDocSh.GetPool(),
185 svl::Items<SID_PRINTER_NOTFOUND_WARN(5000 + 320), SID_PRINTER_NOTFOUND_WARN(5000 + 320),
186 SID_PRINTER_CHANGESTODOC(5000 + 324), SID_PRINTER_CHANGESTODOC(5000 + 324)>{} );
187 pPrt = VclPtr<SfxPrinter>::Create( std::move(pSet) );
20
Calling 'VclPtr::Create'
22
Returned allocated memory
188 bDelPrinter = true;
189 }
190
191 // get the set of distinct available family names
192 std::set< OUString > aFontNames;
193 int nFontNames = pPrt->GetDevFontCount();
194 for( int i = 0; i < nFontNames; i++ )
23
Assuming 'i' is >= 'nFontNames'
24
Loop condition is false. Execution continues on line 201
195 {
196 FontMetric aFontMetric( pPrt->GetDevFont( i ) );
197 aFontNames.insert( aFontMetric.GetFamilyName() );
198 }
199
200 // insert into listbox
201 for( const auto& rFontName : aFontNames )
202 {
203 m_xFontLB->append_text(rFontName);
204 }
205
206 if( aOpt.GetFontName().isEmpty() )
25
Taking false branch
207 {
208 LanguageType eLang = aOpt.GetLanguage();
209 vcl::Font aTmpFont(OutputDevice::GetDefaultFont(DefaultFontType::FIXED, eLang, GetDefaultFontFlags::OnlyOne, pPrt));
210 aOpt.SetFontName(aTmpFont.GetFamilyName());
211 }
212
213 m_xFontLB->set_active_text(aOpt.GetFontName());
214
215 if( bDelPrinter
25.1
'bDelPrinter' is true
25.1
'bDelPrinter' is true
25.1
'bDelPrinter' is true
25.1
'bDelPrinter' is true
)
26
Taking true branch
216 pPrt.disposeAndClear();
27
Calling 'VclPtr::disposeAndClear'
217 }
218
219 // hide the unused Controls for Export
220 m_xIncludeBOM_CB->hide();
221 }
222 else
223 {
224 // hide the unused Controls for Export
225 m_xFontFT->hide();
226 m_xFontLB->hide();
227 m_xLanguageFT->hide();
228 m_xLanguageLB->hide();
229
230
231 SetIncludeBOM(aOpt.GetIncludeBOM());
232 m_xIncludeBOM_CB->save_state();
233 }
234
235 // initialize character set
236 m_xCharSetLB->FillFromTextEncodingTable( pStream != nullptr );
237 m_xCharSetLB->SelectTextEncoding( aOpt.GetCharSet() );
238
239 m_xCharSetLB->connect_changed( LINK( this, SwAsciiFilterDlg, CharSetSelHdl )::tools::detail::makeLink( ::tools::detail::castTo<SwAsciiFilterDlg
*>(this), &SwAsciiFilterDlg::LinkStubCharSetSelHdl)
);
240 m_xCRLF_RB->connect_toggled( LINK( this, SwAsciiFilterDlg, LineEndHdl )::tools::detail::makeLink( ::tools::detail::castTo<SwAsciiFilterDlg
*>(this), &SwAsciiFilterDlg::LinkStubLineEndHdl)
);
241 m_xLF_RB->connect_toggled( LINK( this, SwAsciiFilterDlg, LineEndHdl )::tools::detail::makeLink( ::tools::detail::castTo<SwAsciiFilterDlg
*>(this), &SwAsciiFilterDlg::LinkStubLineEndHdl)
);
242 m_xCR_RB->connect_toggled( LINK( this, SwAsciiFilterDlg, LineEndHdl )::tools::detail::makeLink( ::tools::detail::castTo<SwAsciiFilterDlg
*>(this), &SwAsciiFilterDlg::LinkStubLineEndHdl)
);
243
244 SetCRLF( aOpt.GetParaFlags() );
245
246 m_xCRLF_RB->save_state();
247 m_xLF_RB->save_state();
248 m_xCR_RB->save_state();
249
250 UpdateIncludeBOMSensitiveState();
251}
252
253SwAsciiFilterDlg::~SwAsciiFilterDlg()
254{
255 SvtViewOptions aDlgOpt(EViewType::Dialog, OStringToOUString(m_xDialog->get_help_id(), RTL_TEXTENCODING_UTF8(((rtl_TextEncoding) 76))));
256 aDlgOpt.SetUserItem("UserItem", uno::makeAny(m_sExtraData));
257}
258
259void SwAsciiFilterDlg::FillOptions( SwAsciiOptions& rOptions )
260{
261 sal_uLong nCCode = m_xCharSetLB->GetSelectTextEncoding();
262 OUString sFont;
263 LanguageType nLng = LANGUAGE_SYSTEMLanguageType(0x0000);
264 if (m_xFontLB->get_visible())
265 {
266 sFont = m_xFontLB->get_active_text();
267 nLng = m_xLanguageLB->get_active_id();
268 }
269
270 rOptions.SetFontName( sFont );
271 rOptions.SetCharSet( rtl_TextEncoding( nCCode ) );
272 rOptions.SetLanguage( nLng );
273 rOptions.SetParaFlags( GetCRLF() );
274 rOptions.SetIncludeBOM( GetIncludeBOM() );
275
276 // save the user settings
277 OUString sData;
278 rOptions.WriteUserData( sData );
279 if (sData.isEmpty())
280 return;
281
282 const OUString sFindNm = OUString::createFromAscii(
283 m_xFontLB->get_visible() ? sDialogImpExtraData
284 : sDialogExpExtraData);
285 sal_Int32 nStt = m_sExtraData.indexOf( sFindNm );
286 if( -1 != nStt )
287 {
288 // called twice, so remove "old" settings
289 sal_Int32 nEnd = m_sExtraData.indexOf( cDialogExtraDataClose,
290 nStt + nDialogExtraDataLen );
291 if( -1 != nEnd )
292 m_sExtraData = m_sExtraData.replaceAt( nStt, nEnd - nStt + 1, "" );
293 }
294 m_sExtraData += sFindNm + sData + OUStringChar(cDialogExtraDataClose);
295}
296
297void SwAsciiFilterDlg::SetCRLF( LineEnd eEnd )
298{
299 switch (eEnd)
300 {
301 case LINEEND_CR:
302 m_xCR_RB->set_active(true);
303 break;
304 case LINEEND_CRLF:
305 m_xCRLF_RB->set_active(true);
306 break;
307 case LINEEND_LF:
308 m_xLF_RB->set_active(true);
309 break;
310 }
311}
312
313LineEnd SwAsciiFilterDlg::GetCRLF() const
314{
315 LineEnd eEnd;
316 if(m_xCR_RB->get_active())
317 eEnd = LINEEND_CR;
318 else if (m_xLF_RB->get_active())
319 eEnd = LINEEND_LF;
320 else
321 eEnd = LINEEND_CRLF;
322 return eEnd;
323}
324
325void SwAsciiFilterDlg::SetIncludeBOM( bool bIncludeBOM )
326{
327 m_xIncludeBOM_CB->set_state(bIncludeBOM ? TRISTATE_TRUE : TRISTATE_FALSE);
328}
329
330bool SwAsciiFilterDlg::GetIncludeBOM() const
331{
332 return m_xIncludeBOM_CB->get_state() != TRISTATE_FALSE;
333}
334
335void SwAsciiFilterDlg::UpdateIncludeBOMSensitiveState()
336{
337 if (!m_xIncludeBOM_CB->get_visible())
338 return;
339
340 switch (m_xCharSetLB->GetSelectTextEncoding())
341 {
342 case RTL_TEXTENCODING_UTF8(((rtl_TextEncoding) 76)):
343 case RTL_TEXTENCODING_UCS2(((rtl_TextEncoding) 0xFFFF)):
344 m_xIncludeBOM_CB->set_sensitive(true);
345 break;
346 default:
347 m_xIncludeBOM_CB->set_sensitive(false);
348 break;
349 }
350}
351
352IMPL_LINK_NOARG(SwAsciiFilterDlg, CharSetSelHdl, weld::ComboBox&, void)void SwAsciiFilterDlg::LinkStubCharSetSelHdl(void * instance,
weld::ComboBox& data) { return static_cast<SwAsciiFilterDlg
*>(instance)->CharSetSelHdl(data); } void SwAsciiFilterDlg
::CharSetSelHdl(__attribute__ ((unused)) weld::ComboBox&)
353{
354 LineEnd eOldEnd = GetCRLF(), eEnd = LineEnd(-1);
355 LanguageType nLng = m_xFontLB->get_visible()
356 ? m_xLanguageLB->get_active_id()
357 : LANGUAGE_SYSTEMLanguageType(0x0000),
358 nOldLng = nLng;
359
360 rtl_TextEncoding nChrSet = m_xCharSetLB->GetSelectTextEncoding();
361 if( nChrSet == osl_getThreadTextEncoding() )
362 eEnd = GetSystemLineEnd();
363 else
364 {
365 switch( nChrSet )
366 {
367 case RTL_TEXTENCODING_MS_1252(((rtl_TextEncoding) 1)):
368#ifdef UNX1
369 eEnd = LINEEND_LF;
370#else
371 eEnd = LINEEND_CRLF; // ANSI
372#endif
373 break;
374
375 case RTL_TEXTENCODING_APPLE_ROMAN(((rtl_TextEncoding) 2)): // MAC
376 eEnd = LINEEND_CR;
377 break;
378
379 case RTL_TEXTENCODING_IBM_850(((rtl_TextEncoding) 4)): // DOS
380 eEnd = LINEEND_CRLF;
381 break;
382
383 case RTL_TEXTENCODING_APPLE_ARABIC(((rtl_TextEncoding) 41)):
384 case RTL_TEXTENCODING_APPLE_CENTEURO(((rtl_TextEncoding) 42)):
385 case RTL_TEXTENCODING_APPLE_CROATIAN(((rtl_TextEncoding) 43)):
386 case RTL_TEXTENCODING_APPLE_CYRILLIC(((rtl_TextEncoding) 44)):
387 case RTL_TEXTENCODING_APPLE_DEVANAGARI(((rtl_TextEncoding) 45)):
388 case RTL_TEXTENCODING_APPLE_FARSI(((rtl_TextEncoding) 46)):
389 case RTL_TEXTENCODING_APPLE_GREEK(((rtl_TextEncoding) 47)):
390 case RTL_TEXTENCODING_APPLE_GUJARATI(((rtl_TextEncoding) 48)):
391 case RTL_TEXTENCODING_APPLE_GURMUKHI(((rtl_TextEncoding) 49)):
392 case RTL_TEXTENCODING_APPLE_HEBREW(((rtl_TextEncoding) 50)):
393 case RTL_TEXTENCODING_APPLE_ICELAND(((rtl_TextEncoding) 51)):
394 case RTL_TEXTENCODING_APPLE_ROMANIAN(((rtl_TextEncoding) 52)):
395 case RTL_TEXTENCODING_APPLE_THAI(((rtl_TextEncoding) 53)):
396 case RTL_TEXTENCODING_APPLE_TURKISH(((rtl_TextEncoding) 54)):
397 case RTL_TEXTENCODING_APPLE_UKRAINIAN(((rtl_TextEncoding) 55)):
398 case RTL_TEXTENCODING_APPLE_CHINSIMP(((rtl_TextEncoding) 56)):
399 case RTL_TEXTENCODING_APPLE_CHINTRAD(((rtl_TextEncoding) 57)):
400 case RTL_TEXTENCODING_APPLE_JAPANESE(((rtl_TextEncoding) 58)):
401 case RTL_TEXTENCODING_APPLE_KOREAN(((rtl_TextEncoding) 59)):
402 eEnd = LINEEND_CR;
403 break;
404 }
405 }
406
407 m_bSaveLineStatus = false;
408 if( eEnd != LineEnd(-1) ) // changed?
409 {
410 if( eOldEnd != eEnd )
411 SetCRLF( eEnd );
412 }
413 else
414 {
415 // restore old user choice (not the automatic!)
416 m_xCRLF_RB->set_state(m_xCRLF_RB->get_saved_state());
417 m_xCR_RB->set_state(m_xCR_RB->get_saved_state());
418 m_xLF_RB->set_state(m_xLF_RB->get_saved_state());
419 }
420 m_bSaveLineStatus = true;
421
422 if (nOldLng != nLng && m_xFontLB->get_visible())
423 m_xLanguageLB->set_active_id(nLng);
424
425 UpdateIncludeBOMSensitiveState();
426}
427
428IMPL_LINK(SwAsciiFilterDlg, LineEndHdl, weld::ToggleButton&, rBtn, void)void SwAsciiFilterDlg::LinkStubLineEndHdl(void * instance, weld
::ToggleButton& data) { return static_cast<SwAsciiFilterDlg
*>(instance)->LineEndHdl(data); } void SwAsciiFilterDlg
::LineEndHdl(weld::ToggleButton& rBtn)
429{
430 if (m_bSaveLineStatus)
431 rBtn.save_state();
432}
433
434/* 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 );
21
Memory is allocated
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 ;-)
28
Calling 'Reference::clear'
35
Returning; memory was released
205 if (aTmp.get()) {
36
Calling 'Reference::get'
206 aTmp->disposeOnce();
207 }
208 }
209
210 /** Needed to place VclPtr's into STL collection.
211 */
212 bool operator< (const VclPtr<reference_type> & handle) const
213 {
214 return (m_rInnerRef < handle.m_rInnerRef);
215 }
216}; // class VclPtr
217
218template<typename T1, typename T2>
219inline bool operator ==(VclPtr<T1> const & p1, VclPtr<T2> const & p2) {
220 return p1.get() == p2.get();
221}
222
223template<typename T> inline bool operator ==(VclPtr<T> const & p1, T const * p2)
224{
225 return p1.get() == p2;
226}
227
228template<typename T> inline bool operator ==(VclPtr<T> const & p1, T * p2) {
229 return p1.get() == p2;
230}
231
232template<typename T> inline bool operator ==(T const * p1, VclPtr<T> const & p2)
233{
234 return p1 == p2.get();
235}
236
237template<typename T> inline bool operator ==(T * p1, VclPtr<T> const & p2) {
238 return p1 == p2.get();
239}
240
241template<typename T1, typename T2>
242inline bool operator !=(VclPtr<T1> const & p1, VclPtr<T2> const & p2) {
243 return !(p1 == p2);
244}
245
246template<typename T> inline bool operator !=(VclPtr<T> const & p1, T const * p2)
247{
248 return !(p1 == p2);
249}
250
251template<typename T> inline bool operator !=(VclPtr<T> const & p1, T * p2) {
252 return !(p1 == p2);
253}
254
255template<typename T> inline bool operator !=(T const * p1, VclPtr<T> const & p2)
256{
257 return !(p1 == p2);
258}
259
260template<typename T> inline bool operator !=(T * p1, VclPtr<T> const & p2) {
261 return !(p1 == p2);
262}
263
264/**
265 * A construction helper for a temporary VclPtr. Since VclPtr types
266 * are created with a reference-count of one - to help fit into
267 * the existing code-flow; this helps us to construct them easily.
268 * see also VclPtr::Create and ScopedVclPtr
269 *
270 * For more details on the design please see vcl/README.lifecycle
271 *
272 * @param reference_type must be a subclass of vcl::Window
273 */
274template <class reference_type>
275class SAL_WARN_UNUSED__attribute__((warn_unused)) VclPtrInstance final : public VclPtr<reference_type>
276{
277public:
278 template<typename... Arg> VclPtrInstance(Arg &&... arg)
279 : VclPtr<reference_type>( new reference_type(std::forward<Arg>(arg)...), SAL_NO_ACQUIRE )
280 {
281 }
282
283 /**
284 * Override and disallow this, to prevent people accidentally calling it and actually
285 * getting VclPtr::Create and getting a naked VclPtr<> instance
286 */
287 template<typename... Arg> static VclPtrInstance< reference_type > Create(Arg &&... ) = delete;
288};
289
290template <class reference_type>
291class ScopedVclPtr : public VclPtr<reference_type>
292{
293public:
294 /** Constructor...
295 */
296 ScopedVclPtr()
297 : VclPtr<reference_type>()
298 {}
299
300 /** Constructor
301 */
302 ScopedVclPtr (reference_type * pBody)
303 : VclPtr<reference_type>(pBody)
304 {}
305
306 /** Copy constructor...
307 */
308 ScopedVclPtr (const VclPtr<reference_type> & handle)
309 : VclPtr<reference_type>(handle)
310 {}
311
312 /**
313 Assignment that releases the last reference.
314 */
315 void disposeAndReset(reference_type *pBody)
316 {
317 if (pBody != this->get()) {
318 VclPtr<reference_type>::disposeAndClear();
319 VclPtr<reference_type>::set(pBody);
320 }
321 }
322
323 /**
324 Assignment that releases the last reference.
325 */
326 ScopedVclPtr<reference_type>& operator = (reference_type * pBody)
327 {
328 disposeAndReset(pBody);
329 return *this;
330 }
331
332 /** Up-casting conversion constructor: Copies interface reference.
333
334 Does not work for up-casts to ambiguous bases. For the special case of
335 up-casting to Reference< XInterface >, see the corresponding conversion
336 operator.
337
338 @param rRef another reference
339 */
340 template< class derived_type >
341 ScopedVclPtr(
342 const VclPtr< derived_type > & rRef,
343 typename std::enable_if<
344 std::is_base_of<reference_type, derived_type>::value, int>::type
345 = 0 )
346 : VclPtr<reference_type>( rRef )
347 {
348 }
349
350 /** Up-casting assignment operator.
351
352 Does not work for up-casts to ambiguous bases.
353
354 @param rRef another VclPtr
355 */
356 template<typename derived_type>
357 typename std::enable_if<
358 std::is_base_of<reference_type, derived_type>::value,
359 ScopedVclPtr &>::type
360 operator =(VclPtr<derived_type> const & rRef)
361 {
362 disposeAndReset(rRef.get());
363 return *this;
364 }
365
366 /**
367 * Override and disallow this, to prevent people accidentally calling it and actually
368 * getting VclPtr::Create and getting a naked VclPtr<> instance
369 */
370 template<typename... Arg> static ScopedVclPtr< reference_type > Create(Arg &&... ) = delete;
371
372 ~ScopedVclPtr()
373 {
374 VclPtr<reference_type>::disposeAndClear();
375 assert(VclPtr<reference_type>::get() == nullptr)(static_cast <bool> (VclPtr<reference_type>::get(
) == nullptr) ? void (0) : __assert_fail ("VclPtr<reference_type>::get() == nullptr"
, "/home/maarten/src/libreoffice/core/include/vcl/vclptr.hxx"
, 375, __extension__ __PRETTY_FUNCTION__))
; // make sure there are no lingering references
376 }
377
378private:
379 // Most likely we don't want this default copy-constructor.
380 ScopedVclPtr (const ScopedVclPtr<reference_type> &) = delete;
381 // And certainly we don't want a default assignment operator.
382 ScopedVclPtr<reference_type>& operator = (const ScopedVclPtr<reference_type> &) = delete;
383 // And disallow reset as that doesn't call disposeAndClear on the original reference
384 void reset() = delete;
385 void reset(reference_type *pBody) = delete;
386
387protected:
388 ScopedVclPtr (reference_type * pBody, __sal_NoAcquire)
389 : VclPtr<reference_type>(pBody, SAL_NO_ACQUIRE)
390 {}
391};
392
393/**
394 * A construction helper for ScopedVclPtr. Since VclPtr types are created
395 * with a reference-count of one - to help fit into the existing
396 * code-flow; this helps us to construct them easily.
397 *
398 * For more details on the design please see vcl/README.lifecycle
399 *
400 * @param reference_type must be a subclass of vcl::Window
401 */
402#if defined _MSC_VER
403#pragma warning(push)
404#pragma warning(disable: 4521) // " multiple copy constructors specified"
405#endif
406template <class reference_type>
407class SAL_WARN_UNUSED__attribute__((warn_unused)) ScopedVclPtrInstance final : public ScopedVclPtr<reference_type>
408{
409public:
410 template<typename... Arg> ScopedVclPtrInstance(Arg &&... arg)
411 : ScopedVclPtr<reference_type>( new reference_type(std::forward<Arg>(arg)...), SAL_NO_ACQUIRE )
412 {
413 }
414
415 /**
416 * Override and disallow this, to prevent people accidentally calling it and actually
417 * getting VclPtr::Create and getting a naked VclPtr<> instance
418 */
419 template<typename... Arg> static ScopedVclPtrInstance< reference_type > Create(Arg &&...) = delete;
420
421private:
422 // Prevent the above perfect forwarding ctor from hijacking (accidental)
423 // attempts at ScopedVclPtrInstance copy construction (where the hijacking
424 // would typically lead to somewhat obscure error messages); both non-const
425 // and const variants are needed here, as the ScopedVclPtr base class has a
426 // const--variant copy ctor, so the implicitly declared copy ctor for
427 // ScopedVclPtrInstance would also be the const variant, so non-const copy
428 // construction attempts would be hijacked by the perfect forwarding ctor;
429 // but if we only declared a non-const variant here, the const variant would
430 // no longer be implicitly declared (as there would already be an explicitly
431 // declared copy ctor), so const copy construction attempts would then be
432 // hijacked by the perfect forwarding ctor:
433 ScopedVclPtrInstance(ScopedVclPtrInstance &) = delete;
434 ScopedVclPtrInstance(ScopedVclPtrInstance const &) = delete;
435};
436#if defined _MSC_VER
437#pragma warning(pop)
438#endif
439
440#endif // INCLUDED_VCL_PTR_HXX
441
442/* vim:set shiftwidth=4 softtabstop=4 expandtab: */

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

1/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
2/*
3 * This file is part of the LibreOffice project.
4 *
5 * This Source Code Form is subject to the terms of the Mozilla Public
6 * License, v. 2.0. If a copy of the MPL was not distributed with this
7 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
8 *
9 * This file incorporates work covered by the following license notice:
10 *
11 * Licensed to the Apache Software Foundation (ASF) under one or more
12 * contributor license agreements. See the NOTICE file distributed
13 * with this work for additional information regarding copyright
14 * ownership. The ASF licenses this file to you under the Apache
15 * License, Version 2.0 (the "License"); you may not use this file
16 * except in compliance with the License. You may obtain a copy of
17 * the License at http://www.apache.org/licenses/LICENSE-2.0 .
18 */
19
20#ifndef INCLUDED_RTL_REF_HXX
21#define INCLUDED_RTL_REF_HXX
22
23#include "sal/config.h"
24
25#include <cassert>
26#include <cstddef>
27#include <functional>
28#ifdef LIBO_INTERNAL_ONLY1
29#include <type_traits>
30#endif
31
32#include "sal/types.h"
33
34namespace rtl
35{
36
37/** Template reference class for reference type.
38*/
39template <class reference_type>
40class Reference
41{
42 /** The <b>reference_type</b> body pointer.
43 */
44 reference_type * m_pBody;
45
46
47public:
48 /** Constructor...
49 */
50 Reference()
51 : m_pBody (NULL__null)
52 {}
53
54
55 /** Constructor...
56 */
57 Reference (reference_type * pBody, __sal_NoAcquire)
58 : m_pBody (pBody)
59 {
60 }
61
62 /** Constructor...
63 */
64 Reference (reference_type * pBody)
65 : m_pBody (pBody)
66 {
67 if (m_pBody)
68 m_pBody->acquire();
69 }
70
71 /** Copy constructor...
72 */
73 Reference (const Reference<reference_type> & handle)
74 : m_pBody (handle.m_pBody)
75 {
76 if (m_pBody)
77 m_pBody->acquire();
78 }
79
80#ifdef LIBO_INTERNAL_ONLY1
81 /** Move constructor...
82 */
83 Reference (Reference<reference_type> && handle) noexcept
84 : m_pBody (handle.m_pBody)
85 {
86 handle.m_pBody = nullptr;
87 }
88#endif
89
90#if defined LIBO_INTERNAL_ONLY1
91 /** Up-casting conversion constructor: Copies interface reference.
92
93 Does not work for up-casts to ambiguous bases.
94
95 @param rRef another reference
96 */
97 template< class derived_type >
98 inline Reference(
99 const Reference< derived_type > & rRef,
100 std::enable_if_t<std::is_base_of_v<reference_type, derived_type>, int> = 0 )
101 : m_pBody (rRef.get())
102 {
103 if (m_pBody)
104 m_pBody->acquire();
105 }
106#endif
107
108 /** Destructor...
109 */
110 ~Reference() COVERITY_NOEXCEPT_FALSE
111 {
112 if (m_pBody)
113 m_pBody->release();
114 }
115
116 /** Set...
117 Similar to assignment.
118 */
119 Reference<reference_type> &
120 SAL_CALL set (reference_type * pBody)
121 {
122 if (pBody)
123 pBody->acquire();
124 reference_type * const pOld = m_pBody;
125 m_pBody = pBody;
126 if (pOld)
127 pOld->release();
128 return *this;
129 }
130
131 /** Assignment.
132 Unbinds this instance from its body (if bound) and
133 bind it to the body represented by the handle.
134 */
135 Reference<reference_type> &
136 SAL_CALL operator= (const Reference<reference_type> & handle)
137 {
138 return set( handle.m_pBody );
139 }
140
141#ifdef LIBO_INTERNAL_ONLY1
142 /** Assignment.
143 * Unbinds this instance from its body (if bound),
144 * bind it to the body represented by the handle, and
145 * set the body represented by the handle to nullptr.
146 */
147 Reference<reference_type> &
148 operator= (Reference<reference_type> && handle)
149 {
150 // self-movement guts ourself
151 if (m_pBody)
152 m_pBody->release();
153 m_pBody = handle.m_pBody;
154 handle.m_pBody = nullptr;
155 return *this;
156 }
157#endif
158
159 /** Assignment...
160 */
161 Reference<reference_type> &
162 SAL_CALL operator= (reference_type * pBody)
163 {
164 return set( pBody );
165 }
166
167 /** Unbind the body from this handle.
168 Note that for a handle representing a large body,
169 "handle.clear().set(new body());" _might_
170 perform a little bit better than "handle.set(new body());",
171 since in the second case two large objects exist in memory
172 (the old body and the new body).
173 */
174 Reference<reference_type> & SAL_CALL clear()
175 {
176 if (m_pBody
28.1
Field 'm_pBody' is non-null
28.1
Field 'm_pBody' is non-null
28.1
Field 'm_pBody' is non-null
28.1
Field 'm_pBody' is non-null
)
29
Taking true branch
177 {
178 reference_type * const pOld = m_pBody;
179 m_pBody = NULL__null;
180 pOld->release();
30
Calling 'VclReferenceBase::release'
34
Returning; memory was released
181 }
182 return *this;
183 }
184
185
186 /** Get the body. Can be used instead of operator->().
187 I.e. handle->someBodyOp() and handle.get()->someBodyOp()
188 are the same.
189 */
190 reference_type * SAL_CALL get() const
191 {
192 return m_pBody;
37
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)
31
Assuming the condition is true
32
Taking true branch
40 delete this;
33
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