PluginCommunication.cc 22.3 KB
Newer Older
1
/*===========================================================================*\
Jan Möbius's avatar
Jan Möbius committed
2
3
*                                                                            *
*                              OpenFlipper                                   *
Martin Schultz's avatar
Martin Schultz committed
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
 *           Copyright (c) 2001-2015, RWTH-Aachen University                 *
 *           Department of Computer Graphics and Multimedia                  *
 *                          All rights reserved.                             *
 *                            www.openflipper.org                            *
 *                                                                           *
 *---------------------------------------------------------------------------*
 * This file is part of OpenFlipper.                                         *
 *---------------------------------------------------------------------------*
 *                                                                           *
 * Redistribution and use in source and binary forms, with or without        *
 * modification, are permitted provided that the following conditions        *
 * are met:                                                                  *
 *                                                                           *
 * 1. Redistributions of source code must retain the above copyright notice, *
 *    this list of conditions and the following disclaimer.                  *
 *                                                                           *
 * 2. Redistributions in binary form must reproduce the above copyright      *
 *    notice, this list of conditions and the following disclaimer in the    *
 *    documentation and/or other materials provided with the distribution.   *
 *                                                                           *
 * 3. Neither the name of the copyright holder nor the names of its          *
 *    contributors may be used to endorse or promote products derived from   *
 *    this software without specific prior written permission.               *
 *                                                                           *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS       *
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED *
 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A           *
 * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER *
 * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,  *
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,       *
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR        *
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF    *
 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING      *
 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS        *
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.              *
Jan Möbius's avatar
Jan Möbius committed
39
*                                                                            *
40
41
42
\*===========================================================================*/

/*===========================================================================*\
Jan Möbius's avatar
Jan Möbius committed
43
44
45
46
47
*                                                                            *
*   $Revision$                                                       *
*   $LastChangedBy$                                                *
*   $Date$                     *
*                                                                            *
48
\*===========================================================================*/
Jan Möbius's avatar
 
Jan Möbius committed
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69




//=============================================================================
//
//  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"

70
#include "OpenFlipper/BasePlugin/PluginFunctionsCore.hh"
71

72
73
#include <OpenFlipper/common/RendererInfo.hh>

74
75
#include <stdexcept>

Jan Möbius's avatar
Jan Möbius committed
76
//== IMPLEMENTATION ==========================================================
Jan Möbius's avatar
 
Jan Möbius committed
77
78
79

//========================================================================================
// ===             Object List Communication                       =======================
Jan Möbius's avatar
Jan Möbius committed
80
81
//========================================================================================

Jan Möbius's avatar
Jan Möbius committed
82
83
84
85
86
/** \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
87
 * @param _identifier Id of the updated object
88
 * @param _type       What part of the object has been updated
Jan Möbius's avatar
 
Jan Möbius committed
89
 */
90
void Core::slotObjectUpdated(int _identifier, const UpdateType& _type) {
Jan Möbius's avatar
Jan Möbius committed
91
92
93
  if ( OpenFlipper::Options::doSlotDebugging() ) {
    if ( sender() != 0 ) {
      if ( sender()->metaObject() != 0 ) {
Dirk Wilden's avatar
Dirk Wilden committed
94
95
        emit log(LOGINFO,"updatedObject( " + QString::number(_identifier) + ", " + updateTypeName(_type)
                 + tr(" ) called by ") + QString( sender()->metaObject()->className() ) );
Jan Möbius's avatar
Jan Möbius committed
96
      }
97
    } else {
Dirk Wilden's avatar
Dirk Wilden committed
98
      emit log(LOGINFO,"updatedObject( " + QString::number(_identifier) + ", " + updateTypeName(_type) + tr(" ) called by Core") );
Jan Möbius's avatar
Jan Möbius committed
99
100
101
    }
  }

102
103
104
  // Disable redraws as everything here has to update the object only once
  OpenFlipper::Options::redrawDisabled(true);

105
  // If we are called for a special object, we update it ourself so the Plugins dont need to do that.
106
  BaseObject* object = 0;
107
  if ( _identifier != -1 ) {
Jan Möbius's avatar
   
Jan Möbius committed
108
    if ( !PluginFunctions::getObject(_identifier,object) ) {
109
      emit log(LOGERR,tr("updated_objects called for non existing object with id : ") + QString::number(_identifier) );
110
111
112
113
      return;
    }
  }

114

115
116
117
  // 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 ) {

118
119
120
121
122
123
124
125
    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!") );
    }
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144

    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
145
  if ( object != 0 )
Dirk Wilden's avatar
Dirk Wilden committed
146
    object->update(_type);
147
148
149
150

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

Jan Möbius's avatar
Jan Möbius committed
151

152
153
  // Reset scenegraph but keep scene center!
  resetScenegraph(false);
154

155
  updateView();
Jan Möbius's avatar
Jan Möbius committed
156
157
}

158
void Core::slotVisibilityChanged( int _id ) {
159

160
161
  // tell plugins
  emit visibilityChanged( _id );
162

163
164
165
  // Reset scenegraph but keep scene center!
  resetScenegraph(false);
  
166
  updateView();
167
168
169
170
171
172
}

/** This function is called if the active object has changed. The information is passed to all plugins.
*/
void Core::slotObjectSelectionChanged( int _id )
{
173
  // just inform the plugins as we don't do anything else
174
175
  emit objectSelectionChanged(_id);

176
  // Send via second interface
Jan Möbius's avatar
Jan Möbius committed
177
  emit signalObjectUpdated(_id,UPDATE_STATE);
178

179
  updateView();
180
}
Jan Möbius's avatar
 
Jan Möbius committed
181

Jan Möbius's avatar
Jan Möbius committed
182
183
184
185
186
void Core::slotObjectPropertiesChanged( int _id )
{
  emit objectPropertiesChanged(_id);
}

Jan Möbius's avatar
 
Jan Möbius committed
187
188
189
190
191
//========================================================================================
// ===             Texture Communication                       ===========================
//========================================================================================


Dirk Wilden's avatar
Dirk Wilden committed
192
193
194
195
/** 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) {
196
197
198
199
200
201
202
203

  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
204
205
206
207
208
209
210
211
212
213
214
  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
215
216
217
  emit addTexture(_textureName , _filename,_dimension,_id);
}

Jan Möbius's avatar
 
Jan Möbius committed
218
219
220
221
/** 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
222
  
223
224
225
226
227
228
229
  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
230
231
232
233
234
235
236
237
238
239
240
  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
241
  emit addTexture(_textureName , _filename,_dimension);
Jan Möbius's avatar
 
Jan Möbius committed
242
243
244
245
246
247
}

/** 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){
248
249
250
251

  if ( OpenFlipper::Options::doSlotDebugging() ) {
    if ( sender() != 0 ) {
      if ( sender()->metaObject() != 0 ) {
252
        emit log(LOGINFO,"slotUpdateTexture( "  + _name + " , " + QString::number(_identifier) + tr(" ) called by ") +
253
254
255
256
257
                 QString( sender()->metaObject()->className() ) );
      }
    }
  }

Jan Möbius's avatar
Jan Möbius committed
258
  emit updateTexture(_name, _identifier);
Jan Möbius's avatar
 
Jan Möbius committed
259
260
}

261
262
263
void Core::slotMultiTextureAdded( QString _textureGroup , QString _name , QString _filename , int _id , int* _textureId ) {
  slotMultiTextureAdded(_textureGroup, _name, _filename, _id, *_textureId);
}
264
265

void Core::slotMultiTextureAdded( QString _textureGroup , QString _name , QString _filename , int _id , int& _textureId ) {
Jan Möbius's avatar
Jan Möbius committed
266
  
267
268
269
270
271
272
273
  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
274
275
276
277
278
279
280
281
282
283
284
  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") );
    }
  }
  
285
286
287
  emit addMultiTexture( _textureGroup , _name , _filename , _id , _textureId  );
}

Jan Möbius's avatar
 
Jan Möbius committed
288
289
290
291
/** 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
292
  emit updateAllTextures();
Jan Möbius's avatar
 
Jan Möbius committed
293
294
}

Dirk Wilden's avatar
Dirk Wilden committed
295
296
297
298
299
300
301
302
/** 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 ) {
303
        emit log(LOGINFO,"slotSetTextureMode( " + _textureName + " , " + _mode + " , " + QString::number(_id) + tr(" ) called by ") +
Dirk Wilden's avatar
Dirk Wilden committed
304
305
306
307
308
309
310
311
                 QString( sender()->metaObject()->className() ) );
      }
    }
  }

  emit setTextureMode(_textureName,_mode,_id);
}

Jan Möbius's avatar
 
Jan Möbius committed
312
313
314
315
/** 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) {
316
317
318
319

  if ( OpenFlipper::Options::doSlotDebugging() ) {
    if ( sender() != 0 ) {
      if ( sender()->metaObject() != 0 ) {
320
        emit log(LOGINFO,"slotSetTextureMode( " + _textureName + " , " + _mode + tr(" ) called by ") +
321
322
323
324
325
                 QString( sender()->metaObject()->className() ) );
      }
    }
  }

Jan Möbius's avatar
Jan Möbius committed
326
  emit setTextureMode(_textureName,_mode);
Jan Möbius's avatar
 
Jan Möbius committed
327
328
329
330
331
332
}

/** 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 ) {
333
334
335
  if ( OpenFlipper::Options::doSlotDebugging() ) {
    if ( sender() != 0 ) {
      if ( sender()->metaObject() != 0 ) {
336
        emit log(LOGINFO,"slotTextureUpdated( " + _textureName + " , " + QString::number(_identifier) + tr(" ) called by ") +
337
338
339
340
                 QString( sender()->metaObject()->className() ) );
      }
    }
  }
Jan Möbius's avatar
Jan Möbius committed
341
  emit updatedTextures(_textureName,_identifier);
Jan Möbius's avatar
 
Jan Möbius committed
342
343
}

Dirk Wilden's avatar
Dirk Wilden committed
344
345
346
347
348
349
/** 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
350
351
352
353
354
355
/** Called by plugins if texture mode should be switched
 */
void Core::slotSwitchTexture( QString _textureName ) {
  emit switchTexture(_textureName);
}

356
357
358
359
360
361
362
363
364
365
366
367
368

/** 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 );
}

369
370
371
372
373
374
375
376
377
378
379
380
/** 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 );
}

381
382
383
384
385
386
/** Called by plugins if texture index should be fetched
 */
void Core::slotTextureIndex( QString _textureName, int _id, int& _index){
  emit textureIndex( _textureName, _id, _index);
}

387
388
389
390
391
392
/** Called by plugins if texture index property name should be fetched
 */
void Core::slotTextureIndexPropertyName( int _id, QString& _propertyName){
  emit textureIndexPropertyName( _id, _propertyName);
}

393
394
395
396
397
398
/** Called by plugins if texture name should be fetched
 */
void Core::slotTextureName( int _id, int _textureIndex, QString& _textureName){
  emit textureName( _id, _textureIndex, _textureName);
}

399
400
401
402
403
404
/** Called by plugins if texture filename should be fetched
 */
void Core::slotTextureFilename( int _id, QString _textureName, QString& _textureFilename){
  emit textureFilename( _id, _textureName, _textureFilename);
}

405
406
407
408
409
410
411
412
413
414
415
416
/** 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
417
418
419
//========================================================================================
// ===            Object Manager                              ============================
//========================================================================================
Jan Möbius's avatar
 
Jan Möbius committed
420

Jan Möbius's avatar
Jan Möbius committed
421
422
/// This slot is called by the object manager when a new object is created
void Core::newObject(int _objectId) {
423
  
424
425
426
427
   BaseObject* baseObject = 0;
   PluginFunctions::getObject(_objectId,baseObject);
   
   if ( baseObject ) {
428
429
430
    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 );
431
432
   } else {
     emit log(LOGERR,tr("newObject received from objectManager with invalid id! This should not happen. The new Object will not work correctly!"));
433
434
   }
   
Jan Möbius's avatar
Jan Möbius committed
435
}
Jan Möbius's avatar
 
Jan Möbius committed
436

Jan Möbius's avatar
Jan Möbius committed
437
/// This slot is called by the object manager when a object is deleted
Dirk Wilden's avatar
Dirk Wilden committed
438
void Core::deletedObject(int /*_objectId*/) {
Jan Möbius's avatar
Jan Möbius committed
439
440
}

Jan Möbius's avatar
 
Jan Möbius committed
441

442
443
444
445
446
447
448
//========================================================================================
// ===            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
449
450
451
  for ( int i = 0 ; i < (int)plugins_.size(); ++i ) {
    if ( plugins_[i].rpcName == _pluginName1 ) {
      plugin1 = plugins_[i].plugin;
452
    }
Jan Möbius's avatar
Jan Möbius committed
453
454
    if ( plugins_[i].rpcName == _pluginName2 ) {
      plugin2 = plugins_[i].plugin;
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
    }
  }

  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);
}

472
473
474
475
476
477
//========================================================================================
// ===            Renderer Settings                    ============================
//========================================================================================
void Core::slotSetRenderer(unsigned int _viewer, QString _rendererName) {
  renderManager().setActive(_rendererName,_viewer);
}
Jan Möbius's avatar
 
Jan Möbius committed
478

Jan Möbius's avatar
Jan Möbius committed
479
480
481
482
void Core::slotGetCurrentRenderer(unsigned int _viewer, QString& _rendererName) {
  _rendererName = renderManager().active(_viewer)->name;
}

483
484
485
486
487
488
489
490
491
492
493
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
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
542
543
544
545
546
547
548
    /*
     * 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
549

Jan Möbius's avatar
 
Jan Möbius committed
550
//=============================================================================