PluginCommunication.cc 21.8 KB
Newer Older
1
/*===========================================================================*\
Jan Möbius's avatar
Jan Möbius committed
2
3
*                                                                            *
*                              OpenFlipper                                   *
Jan Möbius's avatar
Jan Möbius committed
4
*      Copyright (C) 2001-2014 by Computer Graphics Group, RWTH Aachen       *
Jan Möbius's avatar
Jan Möbius committed
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
*                           www.openflipper.org                              *
*                                                                            *
*--------------------------------------------------------------------------- *
*  This file is part of OpenFlipper.                                         *
*                                                                            *
*  OpenFlipper is free software: you can redistribute it and/or modify       *
*  it under the terms of the GNU Lesser General Public License as            *
*  published by the Free Software Foundation, either version 3 of            *
*  the License, or (at your option) any later version with the               *
*  following exceptions:                                                     *
*                                                                            *
*  If other files instantiate templates or use macros                        *
*  or inline functions from this file, or you compile this file and          *
*  link it with other files to produce an executable, this file does         *
*  not by itself cause the resulting executable to be covered by the         *
*  GNU Lesser General Public License. This exception does not however        *
*  invalidate any other reasons why the executable file might be             *
*  covered by the GNU Lesser General Public License.                         *
*                                                                            *
*  OpenFlipper 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 LesserGeneral Public           *
*  License along with OpenFlipper. If not,                                   *
*  see <http://www.gnu.org/licenses/>.                                       *
*                                                                            *
33
34
35
\*===========================================================================*/

/*===========================================================================*\
Jan Möbius's avatar
Jan Möbius committed
36
37
38
39
40
*                                                                            *
*   $Revision$                                                       *
*   $LastChangedBy$                                                *
*   $Date$                     *
*                                                                            *
41
\*===========================================================================*/
Jan Möbius's avatar
 
Jan Möbius committed
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62




//=============================================================================
//
//  CLASS Core - IMPLEMENTATION of Comunication with plugins
//
//=============================================================================


//== INCLUDES =================================================================

#include "Core.hh"

#include <QToolBox>

#include "OpenFlipper/BasePlugin/BaseInterface.hh"
#include "OpenFlipper/BasePlugin/ToolboxInterface.hh"
#include "OpenFlipper/BasePlugin/TextureInterface.hh"

63
#include "OpenFlipper/BasePlugin/PluginFunctionsCore.hh"
64

65
66
#include <OpenFlipper/common/RendererInfo.hh>

67
68
#include <stdexcept>

Jan Möbius's avatar
Jan Möbius committed
69
//== IMPLEMENTATION ==========================================================
Jan Möbius's avatar
 
Jan Möbius committed
70
71
72

//========================================================================================
// ===             Object List Communication                       =======================
Jan Möbius's avatar
Jan Möbius committed
73
74
//========================================================================================

Jan Möbius's avatar
Jan Möbius committed
75
76
77
78
79
/** \brief Handle object updates by plugins
 *
 * This function is called by a plugin if it changed something in the object list (source,target, or other properties ).
 * The information is passed to all plugins.
 *
Jan Möbius's avatar
 
Jan Möbius committed
80
 * @param _identifier Id of the updated object
81
 * @param _type       What part of the object has been updated
Jan Möbius's avatar
 
Jan Möbius committed
82
 */
83
void Core::slotObjectUpdated(int _identifier, const UpdateType& _type) {
Jan Möbius's avatar
Jan Möbius committed
84
85
86
  if ( OpenFlipper::Options::doSlotDebugging() ) {
    if ( sender() != 0 ) {
      if ( sender()->metaObject() != 0 ) {
Dirk Wilden's avatar
Dirk Wilden committed
87
88
        emit log(LOGINFO,"updatedObject( " + QString::number(_identifier) + ", " + updateTypeName(_type)
                 + tr(" ) called by ") + QString( sender()->metaObject()->className() ) );
Jan Möbius's avatar
Jan Möbius committed
89
      }
90
    } else {
Dirk Wilden's avatar
Dirk Wilden committed
91
      emit log(LOGINFO,"updatedObject( " + QString::number(_identifier) + ", " + updateTypeName(_type) + tr(" ) called by Core") );
Jan Möbius's avatar
Jan Möbius committed
92
93
94
    }
  }

95
96
97
  // Disable redraws as everything here has to update the object only once
  OpenFlipper::Options::redrawDisabled(true);

98
  // If we are called for a special object, we update it ourself so the Plugins dont need to do that.
99
  BaseObject* object = 0;
100
  if ( _identifier != -1 ) {
Jan Möbius's avatar
   
Jan Möbius committed
101
    if ( !PluginFunctions::getObject(_identifier,object) ) {
102
      emit log(LOGERR,tr("updated_objects called for non existing object with id : ") + QString::number(_identifier) );
103
104
105
106
      return;
    }
  }

107

108
109
110
  // If the identifier is -1 we force an update of all objects in the scene (Bad idea for scenes with many objects)
  if ( _identifier == -1 ) {

111
112
113
114
115
116
117
118
    if ( sender() != 0 ) {
      if ( sender()->metaObject() != 0 ) {
        emit log(LOGWARN,"updatedObject( " + QString::number(_identifier) + ", " + updateTypeName(_type)
            + tr(" ) called by ") + QString( sender()->metaObject()->className() + tr(" which is inefficient)") ) );
      }
    } else {
      emit log(LOGWARN,"updatedObject( " + QString::number(_identifier) + ", " + updateTypeName(_type) + tr(" ) called by Core, which is inefficient!") );
    }
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137

    for ( PluginFunctions::ObjectIterator o_it(PluginFunctions::ALL_OBJECTS,DATA_ALL ) ;  o_it != PluginFunctions::objectsEnd(); ++o_it) {

      // just inform the plugins as we don't do anything else (Do deprecated and new updatedObjects here)
      emit signalObjectUpdated(o_it->id());
      emit signalObjectUpdated(o_it->id(), _type);

      // Call the objects update function
      o_it->update();

    }
  } else {
    // just inform the plugins as we don't do anything else (Do deprecated and new updatedObjects here)
    emit signalObjectUpdated(_identifier);
    emit signalObjectUpdated(_identifier, _type);
  }


  // If we have an single object, call it's update function
138
  if ( object != 0 )
Dirk Wilden's avatar
Dirk Wilden committed
139
    object->update(_type);
140
141
142
143

  // Reenable redraws
  OpenFlipper::Options::redrawDisabled(false);

Jan Möbius's avatar
Jan Möbius committed
144

145
146
  // Reset scenegraph but keep scene center!
  resetScenegraph(false);
147

148
  updateView();
Jan Möbius's avatar
Jan Möbius committed
149
150
}

151
void Core::slotVisibilityChanged( int _id ) {
152

153
154
  // tell plugins
  emit visibilityChanged( _id );
155

156
157
158
  // Reset scenegraph but keep scene center!
  resetScenegraph(false);
  
159
  updateView();
160
161
162
163
164
165
}

/** This function is called if the active object has changed. The information is passed to all plugins.
*/
void Core::slotObjectSelectionChanged( int _id )
{
166
  // just inform the plugins as we don't do anything else
167
168
  emit objectSelectionChanged(_id);

169
  // Send via second interface
Jan Möbius's avatar
Jan Möbius committed
170
  emit signalObjectUpdated(_id,UPDATE_STATE);
171

172
  updateView();
173
}
Jan Möbius's avatar
 
Jan Möbius committed
174

Jan Möbius's avatar
Jan Möbius committed
175
176
177
178
179
void Core::slotObjectPropertiesChanged( int _id )
{
  emit objectPropertiesChanged(_id);
}

Jan Möbius's avatar
 
Jan Möbius committed
180
181
182
183
184
//========================================================================================
// ===             Texture Communication                       ===========================
//========================================================================================


Dirk Wilden's avatar
Dirk Wilden committed
185
186
187
188
/** Called by a plugin if it created a texture. The information is passed to all plugins. If a texture control plugin is available it has to react on the signal.\n
 * See in the documentation of the texture plugin interfaces for further detail.
*/
void Core::slotAddTexture( QString _textureName , QString _filename, uint _dimension, int _id) {
189
190
191
192
193
194
195
196

  if (QThread::currentThread() != QApplication::instance()->thread())
  {
    //execute method in main thread
    QMetaObject::invokeMethod(this,"slotAddTexture",Qt::BlockingQueuedConnection, Q_ARG(QString, _textureName), Q_ARG(QString, _filename), Q_ARG(uint, _dimension), Q_ARG(int, _id));
    return;
  }

Jan Möbius's avatar
Jan Möbius committed
197
198
199
200
201
202
203
204
205
206
207
  if ( OpenFlipper::Options::doSlotDebugging() ) {
    if ( sender() != 0 ) {
      if ( sender()->metaObject() != 0 ) {
        emit log(LOGINFO,"addTexture( " + _textureName + "," + _filename + ","  +  QString::number(_dimension) + ", " + QString::number(_id) +  tr(" ) called by ") +
        QString( sender()->metaObject()->className() ) );
      }
    } else {
      emit log(LOGINFO,"addTexture( " + _textureName + "," + _filename + "," +  QString::number(_dimension) + ", " + QString::number(_id) +  tr(" ) called by Core") );
    }
  }
  
Dirk Wilden's avatar
Dirk Wilden committed
208
209
210
  emit addTexture(_textureName , _filename,_dimension,_id);
}

Jan Möbius's avatar
 
Jan Möbius committed
211
212
213
214
/** Called by a plugin if it created a texture. The information is passed to all plugins. If a texture control plugin is available it has to react on the signal.\n
 * See in the documentation of the texture plugin interfaces for further detail.
*/
void Core::slotAddTexture( QString _textureName , QString _filename, uint _dimension) {
Jan Möbius's avatar
Jan Möbius committed
215
  
216
217
218
219
220
221
222
  if (QThread::currentThread() != QApplication::instance()->thread())
  {
    //execute method in main thread
    QMetaObject::invokeMethod(this,"slotAddTexture",Qt::BlockingQueuedConnection, Q_ARG(QString, _textureName), Q_ARG(QString, _filename), Q_ARG(uint, _dimension));
    return;
  }

Jan Möbius's avatar
Jan Möbius committed
223
224
225
226
227
228
229
230
231
232
233
  if ( OpenFlipper::Options::doSlotDebugging() ) {
    if ( sender() != 0 ) {
      if ( sender()->metaObject() != 0 ) {
        emit log(LOGINFO,"slotAddTexture( " + _textureName + "," + _filename + ","  +  QString::number(_dimension)  +  tr(" ) called by ") +
        QString( sender()->metaObject()->className() ) );
      }
    } else {
      emit log(LOGINFO,"slotAddTexture( " + _textureName + "," + _filename + "," +", " +  QString::number(_dimension) + tr(" ) called by Core") );
    }
  }
  
Jan Möbius's avatar
Jan Möbius committed
234
  emit addTexture(_textureName , _filename,_dimension);
Jan Möbius's avatar
 
Jan Möbius committed
235
236
237
238
239
240
}

/** Called by a plugin if a texture has to be updated. The information is passed to all plugins. The Plugin providing the given Texture should react on this event.\n
 * See in the documentation of the texture plugin interfaces for further detail.
*/
void Core::slotUpdateTexture( QString _name , int _identifier){
241
242
243
244

  if ( OpenFlipper::Options::doSlotDebugging() ) {
    if ( sender() != 0 ) {
      if ( sender()->metaObject() != 0 ) {
245
        emit log(LOGINFO,"slotUpdateTexture( "  + _name + " , " + QString::number(_identifier) + tr(" ) called by ") +
246
247
248
249
250
                 QString( sender()->metaObject()->className() ) );
      }
    }
  }

Jan Möbius's avatar
Jan Möbius committed
251
  emit updateTexture(_name, _identifier);
Jan Möbius's avatar
 
Jan Möbius committed
252
253
}

254
255
256
void Core::slotMultiTextureAdded( QString _textureGroup , QString _name , QString _filename , int _id , int* _textureId ) {
  slotMultiTextureAdded(_textureGroup, _name, _filename, _id, *_textureId);
}
257
258

void Core::slotMultiTextureAdded( QString _textureGroup , QString _name , QString _filename , int _id , int& _textureId ) {
Jan Möbius's avatar
Jan Möbius committed
259
  
260
261
262
263
264
265
266
  if (QThread::currentThread() != QApplication::instance()->thread())
  {
    //execute method in main thread
    QMetaObject::invokeMethod(this,"slotMultiTextureAdded",Qt::BlockingQueuedConnection, Q_ARG(QString, _textureGroup), Q_ARG(QString, _name), Q_ARG(QString, _filename), Q_ARG(int, _id), Q_ARG(int*, &_textureId));
    return;
  }

Jan Möbius's avatar
Jan Möbius committed
267
268
269
270
271
272
273
274
275
276
277
  if ( OpenFlipper::Options::doSlotDebugging() ) {
    if ( sender() != 0 ) {
      if ( sender()->metaObject() != 0 ) {
        emit log(LOGINFO,"slotMultiTextureAdded( " + _textureGroup + ", " + _name + "," + _filename + ","  + QString::number(_id) + tr(" ) called by ") +
        QString( sender()->metaObject()->className() ) );
      }
    } else {
      emit log(LOGINFO,"slotMultiTextureAdded( " + _textureGroup + ", " + _name + "," + _filename + ","  + QString::number(_id) + tr(" ) called by Core") );
    }
  }
  
278
279
280
  emit addMultiTexture( _textureGroup , _name , _filename , _id , _textureId  );
}

Jan Möbius's avatar
 
Jan Möbius committed
281
282
283
284
/** Called by a plugin if all textures should be updated. The information is passed to all plugins. All plugins providing textures should react on this event.\n
 * See in the documentation of the texture plugin interfaces for further detail.
*/
void Core::slotUpdateAllTextures( ){
Jan Möbius's avatar
Jan Möbius committed
285
  emit updateAllTextures();
Jan Möbius's avatar
 
Jan Möbius committed
286
287
}

Dirk Wilden's avatar
Dirk Wilden committed
288
289
290
291
292
293
294
295
/** Called by a plugin if the parameters of a texture should be changed. The information is passed to all plugins. A Texturecontrol plugin should react on this event.\n
 * See in the documentation of the texture plugin interfaces for further detail.
*/
void Core::slotSetTextureMode(QString _textureName, QString _mode, int _id) {

  if ( OpenFlipper::Options::doSlotDebugging() ) {
    if ( sender() != 0 ) {
      if ( sender()->metaObject() != 0 ) {
296
        emit log(LOGINFO,"slotSetTextureMode( " + _textureName + " , " + _mode + " , " + QString::number(_id) + tr(" ) called by ") +
Dirk Wilden's avatar
Dirk Wilden committed
297
298
299
300
301
302
303
304
                 QString( sender()->metaObject()->className() ) );
      }
    }
  }

  emit setTextureMode(_textureName,_mode,_id);
}

Jan Möbius's avatar
 
Jan Möbius committed
305
306
307
308
/** Called by a plugin if the parameters of a texture should be changed. The information is passed to all plugins. A Texturecontrol plugin should react on this event.\n
 * See in the documentation of the texture plugin interfaces for further detail.
*/
void Core::slotSetTextureMode(QString _textureName ,QString _mode) {
309
310
311
312

  if ( OpenFlipper::Options::doSlotDebugging() ) {
    if ( sender() != 0 ) {
      if ( sender()->metaObject() != 0 ) {
313
        emit log(LOGINFO,"slotSetTextureMode( " + _textureName + " , " + _mode + tr(" ) called by ") +
314
315
316
317
318
                 QString( sender()->metaObject()->className() ) );
      }
    }
  }

Jan Möbius's avatar
Jan Möbius committed
319
  emit setTextureMode(_textureName,_mode);
Jan Möbius's avatar
 
Jan Möbius committed
320
321
322
323
324
325
}

/** Called by a plugin if it updated a texture. The information is passed to all plugins. If a texture control plugin is available it has to react on the signal and update the visualization of the texture.\n
 * See in the documentation of the texture plugin interfaces for further detail.
*/
void Core::slotTextureUpdated( QString _textureName , int _identifier ) {
326
327
328
  if ( OpenFlipper::Options::doSlotDebugging() ) {
    if ( sender() != 0 ) {
      if ( sender()->metaObject() != 0 ) {
329
        emit log(LOGINFO,"slotTextureUpdated( " + _textureName + " , " + QString::number(_identifier) + tr(" ) called by ") +
330
331
332
333
                 QString( sender()->metaObject()->className() ) );
      }
    }
  }
Jan Möbius's avatar
Jan Möbius committed
334
  emit updatedTextures(_textureName,_identifier);
Jan Möbius's avatar
 
Jan Möbius committed
335
336
}

Dirk Wilden's avatar
Dirk Wilden committed
337
338
339
340
341
342
/** Called by plugins if texture mode should be switched
 */
void Core::slotSwitchTexture( QString _textureName, int _id ) {
  emit switchTexture(_textureName, _id);
}

Jan Möbius's avatar
 
Jan Möbius committed
343
344
345
346
347
348
/** Called by plugins if texture mode should be switched
 */
void Core::slotSwitchTexture( QString _textureName ) {
  emit switchTexture(_textureName);
}

349
350
351
352
353
354
355
356
357
358
359
360
361

/** Called by plugins if texture image should be changed
 */
void Core::slotTextureChangeImage( QString _textureName , QImage& _image ) {
  emit textureChangeImage( _textureName ,_image );
}

/** Called by plugins if texture image should be changed
 */
void Core::slotTextureChangeImage( QString _textureName , QImage& _image , int _id )  {
  emit textureChangeImage( _textureName , _image , _id );
}

362
363
364
365
366
367
368
369
370
371
372
373
/** Called by plugins if texture image should be fetched
 */
void Core::slotTextureGetImage( QString _textureName , QImage& _image ) {
  emit textureGetImage( _textureName ,_image );
}

/** Called by plugins if texture image should be fetched
 */
void Core::slotTextureGetImage( QString _textureName , QImage& _image , int _id )  {
  emit textureGetImage( _textureName , _image , _id );
}

374
375
376
377
378
379
/** Called by plugins if texture index should be fetched
 */
void Core::slotTextureIndex( QString _textureName, int _id, int& _index){
  emit textureIndex( _textureName, _id, _index);
}

380
381
382
383
384
385
/** Called by plugins if texture index property name should be fetched
 */
void Core::slotTextureIndexPropertyName( int _id, QString& _propertyName){
  emit textureIndexPropertyName( _id, _propertyName);
}

386
387
388
389
390
391
/** Called by plugins if texture name should be fetched
 */
void Core::slotTextureName( int _id, int _textureIndex, QString& _textureName){
  emit textureName( _id, _textureIndex, _textureName);
}

392
393
394
395
396
397
/** Called by plugins if texture filename should be fetched
 */
void Core::slotTextureFilename( int _id, QString _textureName, QString& _textureFilename){
  emit textureFilename( _id, _textureName, _textureFilename);
}

398
399
400
401
402
403
404
405
406
407
408
409
/** Called by plugins if current texture name should be returned
 */
void Core::slotGetCurrentTexture( int _id, QString& _textureName ){
  emit getCurrentTexture( _id, _textureName );
}

/** Called by plugins if texture image should be fetched
 */
void Core::slotGetSubTextures( int _id, QString _multiTextureName, QStringList& _subTextures ){
  emit getSubTextures( _id, _multiTextureName, _subTextures );
}

Jan Möbius's avatar
Jan Möbius committed
410
411
412
//========================================================================================
// ===            Object Manager                              ============================
//========================================================================================
Jan Möbius's avatar
 
Jan Möbius committed
413

Jan Möbius's avatar
Jan Möbius committed
414
415
/// This slot is called by the object manager when a new object is created
void Core::newObject(int _objectId) {
416
  
417
418
419
420
   BaseObject* baseObject = 0;
   PluginFunctions::getObject(_objectId,baseObject);
   
   if ( baseObject ) {
421
422
423
    connect( baseObject, SIGNAL(visibilityChanged(int)),       this, SLOT(slotVisibilityChanged(int)),       Qt::DirectConnection) ;
    connect( baseObject, SIGNAL(objectSelectionChanged(int)),  this, SLOT(slotObjectSelectionChanged(int)),  Qt::DirectConnection );
    connect( baseObject, SIGNAL(objectPropertiesChanged(int)), this, SLOT(slotObjectPropertiesChanged(int)), Qt::DirectConnection );
424
425
   } else {
     emit log(LOGERR,tr("newObject received from objectManager with invalid id! This should not happen. The new Object will not work correctly!"));
426
427
   }
   
Jan Möbius's avatar
Jan Möbius committed
428
}
Jan Möbius's avatar
 
Jan Möbius committed
429

Jan Möbius's avatar
Jan Möbius committed
430
/// This slot is called by the object manager when a object is deleted
Dirk Wilden's avatar
Dirk Wilden committed
431
void Core::deletedObject(int /*_objectId*/) {
Jan Möbius's avatar
Jan Möbius committed
432
433
}

Jan Möbius's avatar
 
Jan Möbius committed
434

435
436
437
438
439
440
441
//========================================================================================
// ===            Cross Plugin connections                    ============================
//========================================================================================
void Core::slotCrossPluginConnect( QString _pluginName1, const char* _signal, QString _pluginName2, const char* _slot) {
  QObject* plugin1 = 0;
  QObject* plugin2 = 0;
  
Jan Möbius's avatar
Jan Möbius committed
442
443
444
  for ( int i = 0 ; i < (int)plugins_.size(); ++i ) {
    if ( plugins_[i].rpcName == _pluginName1 ) {
      plugin1 = plugins_[i].plugin;
445
    }
Jan Möbius's avatar
Jan Möbius committed
446
447
    if ( plugins_[i].rpcName == _pluginName2 ) {
      plugin2 = plugins_[i].plugin;
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
    }
  }

  if (  plugin1 == 0 ) {
    emit log(LOGERR,tr("Cross Plugin Interconnection failed because plugin %1 was not found!").arg(_pluginName1)); 
    return;
  }

  if (  plugin2 == 0 ) {
    emit log(LOGERR,tr("Cross Plugin Interconnection failed because plugin %1 was not found!").arg(_pluginName2)); 
    return;
  }
  
  // now connect them
  connect(plugin1,_signal,plugin2,_slot);
}

465
466
467
468
469
470
//========================================================================================
// ===            Renderer Settings                    ============================
//========================================================================================
void Core::slotSetRenderer(unsigned int _viewer, QString _rendererName) {
  renderManager().setActive(_rendererName,_viewer);
}
Jan Möbius's avatar
 
Jan Möbius committed
471

Jan Möbius's avatar
Jan Möbius committed
472
473
474
475
void Core::slotGetCurrentRenderer(unsigned int _viewer, QString& _rendererName) {
  _rendererName = renderManager().active(_viewer)->name;
}

476
477
478
479
480
481
482
483
484
485
486
void Core::slotMetadataDeserialized(
        const QVector<QPair<QString, QString> > &data) {

    QString obj_metadata;
    for (QVector<QPair<QString, QString> >::const_iterator
            it = data.begin(); it != data.end(); ++it) {
        if (it->first == "Mesh Comments")
            obj_metadata = it->second;

        emit genericMetadataDeserialized(it->first, it->second);
    }
Jan Möbius's avatar
Jan Möbius committed
487

488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
    /*
     * Now handle object metadata.
     */
    QRegExp re_begin("BEGIN Comments for object \"([^\\n]*)\"");
    QRegExp re_end("\\nEND Comments for object \"([^\\n]*)\"");
    enum STATE {
        STATE_SEARCH_BEGIN,
        STATE_CONSUME_INNER,
        STATE_EOS,
    };

    int cursor = 0;
    QString current_object_name;
    for (STATE state = STATE_SEARCH_BEGIN; state != STATE_EOS; ) {
        switch (state) {
            case STATE_SEARCH_BEGIN:
                cursor = re_begin.indexIn(obj_metadata, cursor);
                if (cursor == -1) {
                    state = STATE_EOS;
                    break;
                }
                current_object_name = re_begin.cap(1);
                cursor += re_begin.matchedLength();
                state = STATE_CONSUME_INNER;
                break;
            case STATE_CONSUME_INNER:
            {
                int next = re_end.indexIn(obj_metadata, cursor);
                if (next == -1) {
                    state = STATE_EOS;
                    break;
                }

                const QStringRef value = obj_metadata.midRef(cursor, next - cursor);

                emit objectMetadataDeserialized(current_object_name, value.toString());
#if QT_VERSION >= 0x050000
                QJsonParseError json_error;
                QJsonDocument json_doc =
                        QJsonDocument::fromJson(value.toUtf8(), &json_error);
                if (json_error.error == QJsonParseError::NoError) {
                    emit objectMetadataDeserializedJson(
                            current_object_name, json_doc);
                }
#endif
                cursor = next + re_end.matchedLength();
                state = STATE_SEARCH_BEGIN;
                break;
            }
            default:
                throw std::logic_error("metadataDeserialized(): Invalid state.");
        }
    }
}
Jan Möbius's avatar
Jan Möbius committed
542

Jan Möbius's avatar
 
Jan Möbius committed
543
//=============================================================================