1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
|
/*************************************************************************
*
* OpenOffice.org - a multi-platform office productivity suite
*
* $RCSfile: implbase.cxx,v $
*
* $Revision: 1.17 $
*
* last change: $Author: hr $ $Date: 2006-06-19 10:33:40 $
*
* The Contents of this file are made available subject to
* the terms of GNU Lesser General Public License Version 2.1.
*
*
* GNU Lesser General Public License Version 2.1
* =============================================
* Copyright 2005 by Sun Microsystems, Inc.
* 901 San Antonio Road, Palo Alto, CA 94303, USA
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License version 2.1, as published by the Free Software Foundation.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*
************************************************************************/
#ifndef _CPPUHELPER_IMPLBASE_HXX_
#include <cppuhelper/implbase.hxx>
#endif
#ifndef _CPPUHELPER_COMPBASE_HXX_
#include <cppuhelper/compbase.hxx>
#endif
#ifndef _OSL_DIAGNOSE_H_
#include <osl/diagnose.h>
#endif
#ifndef _RTL_UUID_H_
#include <rtl/uuid.h>
#endif
#include <com/sun/star/lang/XComponent.hpp>
#include "com/sun/star/uno/RuntimeException.hpp"
using namespace ::osl;
using namespace ::rtl;
using namespace ::com::sun::star;
using namespace ::com::sun::star::uno;
namespace cppu
{
//==================================================================================================
Mutex & SAL_CALL getImplHelperInitMutex(void) SAL_THROW( () )
{
static Mutex * s_pMutex = 0;
if (! s_pMutex)
{
MutexGuard aGuard( Mutex::getGlobalMutex() );
if (! s_pMutex)
{
static Mutex s_aMutex;
s_pMutex = & s_aMutex;
}
}
return * s_pMutex;
}
// ClassDataBase
//__________________________________________________________________________________________________
ClassDataBase::ClassDataBase() SAL_THROW( () )
: bOffsetsInit( sal_False )
, nType2Offset( 0 )
, nClassCode( 0 )
, pTypes( 0 )
, pId( 0 )
{
}
//__________________________________________________________________________________________________
ClassDataBase::ClassDataBase( sal_Int32 nClassCode_ ) SAL_THROW( () )
: bOffsetsInit( sal_False )
, nType2Offset( 0 )
, nClassCode( nClassCode_ )
, pTypes( 0 )
, pId( 0 )
{
}
//__________________________________________________________________________________________________
ClassDataBase::~ClassDataBase() SAL_THROW( () )
{
delete pTypes;
delete pId;
for ( sal_Int32 nPos = nType2Offset; nPos--; )
{
typelib_typedescription_release(
(typelib_TypeDescription *)((ClassData *)this)->arType2Offset[nPos].pTD );
}
}
// ClassData
//__________________________________________________________________________________________________
void ClassData::writeTypeOffset( const Type & rType, sal_Int32 nOffset ) SAL_THROW( () )
{
arType2Offset[nType2Offset].nOffset = nOffset;
arType2Offset[nType2Offset].pTD = 0;
typelib_typedescriptionreference_getDescription(
(typelib_TypeDescription **)&arType2Offset[nType2Offset].pTD, rType.getTypeLibType() );
if (arType2Offset[nType2Offset].pTD)
++nType2Offset;
#if OSL_DEBUG_LEVEL > 1
else
{
OString msg( "### cannot get type description for " );
msg += OUStringToOString( rType.getTypeName(), RTL_TEXTENCODING_ASCII_US );
OSL_ENSURE( sal_False, msg.getStr() );
}
#endif
}
//__________________________________________________________________________________________________
void ClassData::initTypeProvider() SAL_THROW( () )
{
::osl::MutexGuard aGuard( ::osl::Mutex::getGlobalMutex() );
if (! pTypes)
{
// create id
pId = new Sequence< sal_Int8 >( 16 );
rtl_createUuid( (sal_uInt8 *)pId->getArray(), 0, sal_True );
// collect types
Sequence< Type > * types = new Sequence< Type >(
nType2Offset + 1 + (nClassCode == 4 ? 2 : nClassCode) );
Type * pTypeAr = types->getArray();
// given types
sal_Int32 nPos = nType2Offset;
while (nPos--)
pTypeAr[nPos] = ((typelib_TypeDescription *)arType2Offset[nPos].pTD)->pWeakRef;
// XTypeProvider
pTypeAr[nType2Offset] = ::getCppuType( (const Reference< lang::XTypeProvider > *)0 );
// class code extra types: [[XComponent,] XWeak[, XAggregation]]
switch (nClassCode)
{
case 4:
pTypeAr[nType2Offset +2] = ::getCppuType( (const Reference< lang::XComponent > *)0 );
pTypeAr[nType2Offset +1] = ::getCppuType( (const Reference< XWeak > *)0 );
break;
case 3:
pTypeAr[nType2Offset +3] = ::getCppuType( (const Reference< lang::XComponent > *)0 );
case 2:
pTypeAr[nType2Offset +2] = ::getCppuType( (const Reference< XAggregation > *)0 );
case 1:
pTypeAr[nType2Offset +1] = ::getCppuType( (const Reference< XWeak > *)0 );
}
pTypes = types;
}
}
//__________________________________________________________________________________________________
Sequence< Type > ClassData::getTypes() SAL_THROW( () )
{
if (! pTypes)
initTypeProvider();
return *pTypes;
}
//__________________________________________________________________________________________________
Sequence< sal_Int8 > ClassData::getImplementationId() SAL_THROW( () )
{
if (! pTypes)
initTypeProvider();
return *pId;
}
//--------------------------------------------------------------------------------------------------
static inline sal_Bool td_equals(
typelib_TypeDescription * pTD, typelib_TypeDescriptionReference * pType )
SAL_THROW( () )
{
return (pTD->pWeakRef == pType ||
(pTD->pTypeName->length == pType->pTypeName->length &&
rtl_ustr_compare( pTD->pTypeName->buffer, pType->pTypeName->buffer ) == 0));
}
//__________________________________________________________________________________________________
Any ClassData::query( const Type & rType, lang::XTypeProvider * pBase ) SAL_THROW( () )
{
if (rType == ::getCppuType( (const Reference< XInterface > *)0 ))
return Any( &pBase, ::getCppuType( (const Reference< XInterface > *)0 ) );
for ( sal_Int32 nPos = 0; nPos < nType2Offset; ++nPos )
{
const Type_Offset & rTO = arType2Offset[nPos];
typelib_InterfaceTypeDescription * pTD = rTO.pTD;
while (pTD)
{
if (td_equals( (typelib_TypeDescription *)pTD,
*(typelib_TypeDescriptionReference **)&rType ))
{
void * pInterface = (char *)pBase + rTO.nOffset;
return Any( &pInterface, (typelib_TypeDescription *)pTD );
}
pTD = pTD->pBaseTypeDescription;
}
}
if (rType == ::getCppuType( (const Reference< lang::XTypeProvider > *)0 ))
return Any( &pBase, ::getCppuType( (const Reference< lang::XTypeProvider > *)0 ) );
return Any();
}
//##################################################################################################
//##################################################################################################
//##################################################################################################
// WeakComponentImplHelperBase
//__________________________________________________________________________________________________
WeakComponentImplHelperBase::WeakComponentImplHelperBase( Mutex & rMutex )
SAL_THROW( () )
: rBHelper( rMutex )
{
}
//__________________________________________________________________________________________________
WeakComponentImplHelperBase::~WeakComponentImplHelperBase()
SAL_THROW( () )
{
}
//__________________________________________________________________________________________________
void WeakComponentImplHelperBase::disposing()
{
}
//__________________________________________________________________________________________________
Any WeakComponentImplHelperBase::queryInterface( Type const & rType )
throw (RuntimeException)
{
if (rType == ::getCppuType( (Reference< lang::XComponent > const *)0 ))
{
void * p = static_cast< lang::XComponent * >( this );
return Any( &p, rType );
}
return OWeakObject::queryInterface( rType );
}
//__________________________________________________________________________________________________
void WeakComponentImplHelperBase::acquire()
throw ()
{
OWeakObject::acquire();
}
//__________________________________________________________________________________________________
void WeakComponentImplHelperBase::release()
throw ()
{
if (osl_decrementInterlockedCount( &m_refCount ) == 0) {
// restore reference count:
osl_incrementInterlockedCount( &m_refCount );
if (! rBHelper.bDisposed) {
try {
dispose();
}
catch (RuntimeException const& exc) { // don't break throw ()
OSL_ENSURE(
false, OUStringToOString(
exc.Message, RTL_TEXTENCODING_ASCII_US ).getStr() );
static_cast<void>(exc);
}
OSL_ASSERT( rBHelper.bDisposed );
}
OWeakObject::release();
}
}
//__________________________________________________________________________________________________
void WeakComponentImplHelperBase::dispose()
throw (RuntimeException)
{
ClearableMutexGuard aGuard( rBHelper.rMutex );
if (!rBHelper.bDisposed && !rBHelper.bInDispose)
{
rBHelper.bInDispose = sal_True;
aGuard.clear();
try
{
// side effect: keeping a reference to this
lang::EventObject aEvt( static_cast< OWeakObject * >( this ) );
try
{
rBHelper.aLC.disposeAndClear( aEvt );
disposing();
}
catch (...)
{
MutexGuard aGuard2( rBHelper.rMutex );
// bDisposed and bInDispose must be set in this order:
rBHelper.bDisposed = sal_True;
rBHelper.bInDispose = sal_False;
throw;
}
MutexGuard aGuard2( rBHelper.rMutex );
// bDisposed and bInDispose must be set in this order:
rBHelper.bDisposed = sal_True;
rBHelper.bInDispose = sal_False;
}
catch (RuntimeException &)
{
throw;
}
catch (Exception & exc)
{
throw RuntimeException(
OUString( RTL_CONSTASCII_USTRINGPARAM(
"unexpected UNO exception caught: ") ) +
exc.Message, Reference< XInterface >() );
}
}
}
//__________________________________________________________________________________________________
void WeakComponentImplHelperBase::addEventListener(
Reference< lang::XEventListener > const & xListener )
throw (RuntimeException)
{
ClearableMutexGuard aGuard( rBHelper.rMutex );
if (rBHelper.bDisposed || rBHelper.bInDispose)
{
aGuard.clear();
lang::EventObject aEvt( static_cast< OWeakObject * >( this ) );
xListener->disposing( aEvt );
}
else
{
rBHelper.addListener( ::getCppuType( &xListener ), xListener );
}
}
//__________________________________________________________________________________________________
void WeakComponentImplHelperBase::removeEventListener(
Reference< lang::XEventListener > const & xListener )
throw (RuntimeException)
{
rBHelper.removeListener( ::getCppuType( &xListener ), xListener );
}
// WeakAggComponentImplHelperBase
//__________________________________________________________________________________________________
WeakAggComponentImplHelperBase::WeakAggComponentImplHelperBase( Mutex & rMutex )
SAL_THROW( () )
: rBHelper( rMutex )
{
}
//__________________________________________________________________________________________________
WeakAggComponentImplHelperBase::~WeakAggComponentImplHelperBase()
SAL_THROW( () )
{
}
//__________________________________________________________________________________________________
void WeakAggComponentImplHelperBase::disposing()
{
}
//__________________________________________________________________________________________________
Any WeakAggComponentImplHelperBase::queryInterface( Type const & rType )
throw (RuntimeException)
{
return OWeakAggObject::queryInterface( rType );
}
//__________________________________________________________________________________________________
Any WeakAggComponentImplHelperBase::queryAggregation( Type const & rType )
throw (RuntimeException)
{
if (rType == ::getCppuType( (Reference< lang::XComponent > const *)0 ))
{
void * p = static_cast< lang::XComponent * >( this );
return Any( &p, rType );
}
return OWeakAggObject::queryAggregation( rType );
}
//__________________________________________________________________________________________________
void WeakAggComponentImplHelperBase::acquire()
throw ()
{
OWeakAggObject::acquire();
}
//__________________________________________________________________________________________________
void WeakAggComponentImplHelperBase::release()
throw ()
{
Reference<XInterface> const xDelegator_(xDelegator);
if (xDelegator_.is()) {
OWeakAggObject::release();
}
else if (osl_decrementInterlockedCount( &m_refCount ) == 0) {
// restore reference count:
osl_incrementInterlockedCount( &m_refCount );
if (! rBHelper.bDisposed) {
try {
dispose();
}
catch (RuntimeException const& exc) { // don't break throw ()
OSL_ENSURE(
false, OUStringToOString(
exc.Message, RTL_TEXTENCODING_ASCII_US ).getStr() );
static_cast<void>(exc);
}
OSL_ASSERT( rBHelper.bDisposed );
}
OWeakAggObject::release();
}
}
//__________________________________________________________________________________________________
void WeakAggComponentImplHelperBase::dispose()
throw (RuntimeException)
{
ClearableMutexGuard aGuard( rBHelper.rMutex );
if (!rBHelper.bDisposed && !rBHelper.bInDispose)
{
rBHelper.bInDispose = sal_True;
aGuard.clear();
try
{
// side effect: keeping a reference to this
lang::EventObject aEvt( static_cast< OWeakObject * >( this ) );
try
{
rBHelper.aLC.disposeAndClear( aEvt );
disposing();
}
catch (...)
{
MutexGuard aGuard2( rBHelper.rMutex );
// bDisposed and bInDispose must be set in this order:
rBHelper.bDisposed = sal_True;
rBHelper.bInDispose = sal_False;
throw;
}
MutexGuard aGuard2( rBHelper.rMutex );
// bDisposed and bInDispose must be set in this order:
rBHelper.bDisposed = sal_True;
rBHelper.bInDispose = sal_False;
}
catch (RuntimeException &)
{
throw;
}
catch (Exception & exc)
{
throw RuntimeException(
OUString( RTL_CONSTASCII_USTRINGPARAM(
"unexpected UNO exception caught: ") ) +
exc.Message, Reference< XInterface >() );
}
}
}
//__________________________________________________________________________________________________
void WeakAggComponentImplHelperBase::addEventListener(
Reference< lang::XEventListener > const & xListener )
throw (RuntimeException)
{
ClearableMutexGuard aGuard( rBHelper.rMutex );
if (rBHelper.bDisposed || rBHelper.bInDispose)
{
aGuard.clear();
lang::EventObject aEvt( static_cast< OWeakObject * >( this ) );
xListener->disposing( aEvt );
}
else
{
rBHelper.addListener( ::getCppuType( &xListener ), xListener );
}
}
//__________________________________________________________________________________________________
void WeakAggComponentImplHelperBase::removeEventListener(
Reference< lang::XEventListener > const & xListener )
throw (RuntimeException)
{
rBHelper.removeListener( ::getCppuType( &xListener ), xListener );
}
}
|