-
-
Notifications
You must be signed in to change notification settings - Fork 3k
/
qgsprocessingutils.cpp
697 lines (610 loc) · 21.7 KB
/
qgsprocessingutils.cpp
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
483
484
485
486
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
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
/***************************************************************************
qgsprocessingutils.cpp
------------------------
begin : April 2017
copyright : (C) 2017 by Nyall Dawson
email : nyall dot dawson at gmail dot com
***************************************************************************/
/***************************************************************************
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
***************************************************************************/
#include "qgsprocessingutils.h"
#include "qgsproject.h"
#include "qgssettings.h"
#include "qgsexception.h"
#include "qgsprocessingcontext.h"
#include "qgsvectorlayerexporter.h"
#include "qgsvectorfilewriter.h"
#include "qgsmemoryproviderutils.h"
#include "qgsprocessingparameters.h"
#include "qgsprocessingalgorithm.h"
#include "qgsvectorlayerfeatureiterator.h"
QList<QgsRasterLayer *> QgsProcessingUtils::compatibleRasterLayers( QgsProject *project, bool sort )
{
if ( !project )
return QList<QgsRasterLayer *>();
QList<QgsRasterLayer *> layers;
Q_FOREACH ( QgsRasterLayer *l, project->layers<QgsRasterLayer *>() )
{
if ( canUseLayer( l ) )
layers << l;
}
if ( sort )
{
std::sort( layers.begin(), layers.end(), []( const QgsRasterLayer * a, const QgsRasterLayer * b ) -> bool
{
return QString::localeAwareCompare( a->name(), b->name() ) < 0;
} );
}
return layers;
}
QList<QgsVectorLayer *> QgsProcessingUtils::compatibleVectorLayers( QgsProject *project, const QList<QgsWkbTypes::GeometryType> &geometryTypes, bool sort )
{
if ( !project )
return QList<QgsVectorLayer *>();
QList<QgsVectorLayer *> layers;
Q_FOREACH ( QgsVectorLayer *l, project->layers<QgsVectorLayer *>() )
{
if ( canUseLayer( l, geometryTypes ) )
layers << l;
}
if ( sort )
{
std::sort( layers.begin(), layers.end(), []( const QgsVectorLayer * a, const QgsVectorLayer * b ) -> bool
{
return QString::localeAwareCompare( a->name(), b->name() ) < 0;
} );
}
return layers;
}
QList<QgsMapLayer *> QgsProcessingUtils::compatibleLayers( QgsProject *project, bool sort )
{
if ( !project )
return QList<QgsMapLayer *>();
QList<QgsMapLayer *> layers;
Q_FOREACH ( QgsRasterLayer *rl, compatibleRasterLayers( project, false ) )
layers << rl;
Q_FOREACH ( QgsVectorLayer *vl, compatibleVectorLayers( project, QList< QgsWkbTypes::GeometryType >(), false ) )
layers << vl;
if ( sort )
{
std::sort( layers.begin(), layers.end(), []( const QgsMapLayer * a, const QgsMapLayer * b ) -> bool
{
return QString::localeAwareCompare( a->name(), b->name() ) < 0;
} );
}
return layers;
}
QgsMapLayer *QgsProcessingUtils::mapLayerFromStore( const QString &string, QgsMapLayerStore *store )
{
if ( !store || string.isEmpty() )
return nullptr;
QList< QgsMapLayer * > layers = store->mapLayers().values();
layers.erase( std::remove_if( layers.begin(), layers.end(), []( QgsMapLayer * layer )
{
switch ( layer->type() )
{
case QgsMapLayer::VectorLayer:
return !canUseLayer( qobject_cast< QgsVectorLayer * >( layer ) );
case QgsMapLayer::RasterLayer:
return !canUseLayer( qobject_cast< QgsRasterLayer * >( layer ) );
case QgsMapLayer::PluginLayer:
return true;
}
return true;
} ), layers.end() );
Q_FOREACH ( QgsMapLayer *l, layers )
{
if ( l->id() == string )
return l;
}
Q_FOREACH ( QgsMapLayer *l, layers )
{
if ( l->name() == string )
return l;
}
Q_FOREACH ( QgsMapLayer *l, layers )
{
if ( normalizeLayerSource( l->source() ) == normalizeLayerSource( string ) )
return l;
}
return nullptr;
}
///@cond PRIVATE
class ProjectionSettingRestorer
{
public:
ProjectionSettingRestorer()
{
QgsSettings settings;
previousSetting = settings.value( QStringLiteral( "/Projections/defaultBehavior" ) ).toString();
settings.setValue( QStringLiteral( "/Projections/defaultBehavior" ), QString() );
}
~ProjectionSettingRestorer()
{
QgsSettings settings;
settings.setValue( QStringLiteral( "/Projections/defaultBehavior" ), previousSetting );
}
QString previousSetting;
};
///@endcond PRIVATE
QgsMapLayer *QgsProcessingUtils::loadMapLayerFromString( const QString &string )
{
QStringList components = string.split( '|' );
if ( components.isEmpty() )
return nullptr;
QFileInfo fi;
if ( QFileInfo::exists( string ) )
fi = QFileInfo( string );
else if ( QFileInfo::exists( components.at( 0 ) ) )
fi = QFileInfo( components.at( 0 ) );
else
return nullptr;
// TODO - remove when there is a cleaner way to block the unknown projection dialog!
ProjectionSettingRestorer restorer;
( void )restorer; // no warnings
QString name = fi.baseName();
// brute force attempt to load a matching layer
QgsVectorLayer::LayerOptions options;
options.loadDefaultStyle = false;
std::unique_ptr< QgsVectorLayer > layer( new QgsVectorLayer( string, name, QStringLiteral( "ogr" ), options ) );
if ( layer->isValid() )
{
return layer.release();
}
QgsRasterLayer::LayerOptions rasterOptions;
rasterOptions.loadDefaultStyle = false;
std::unique_ptr< QgsRasterLayer > rasterLayer( new QgsRasterLayer( string, name, QStringLiteral( "gdal" ), rasterOptions ) );
if ( rasterLayer->isValid() )
{
return rasterLayer.release();
}
return nullptr;
}
QgsMapLayer *QgsProcessingUtils::mapLayerFromString( const QString &string, QgsProcessingContext &context, bool allowLoadingNewLayers )
{
if ( string.isEmpty() )
return nullptr;
// prefer project layers
QgsMapLayer *layer = nullptr;
if ( context.project() )
{
QgsMapLayer *layer = mapLayerFromStore( string, context.project()->layerStore() );
if ( layer )
return layer;
}
layer = mapLayerFromStore( string, context.temporaryLayerStore() );
if ( layer )
return layer;
if ( !allowLoadingNewLayers )
return nullptr;
layer = loadMapLayerFromString( string );
if ( layer )
{
context.temporaryLayerStore()->addMapLayer( layer );
return layer;
}
else
{
return nullptr;
}
}
QgsProcessingFeatureSource *QgsProcessingUtils::variantToSource( const QVariant &value, QgsProcessingContext &context, const QVariant &fallbackValue )
{
QVariant val = value;
bool selectedFeaturesOnly = false;
if ( val.canConvert<QgsProcessingFeatureSourceDefinition>() )
{
// input is a QgsProcessingFeatureSourceDefinition - get extra properties from it
QgsProcessingFeatureSourceDefinition fromVar = qvariant_cast<QgsProcessingFeatureSourceDefinition>( val );
selectedFeaturesOnly = fromVar.selectedFeaturesOnly;
val = fromVar.source;
}
if ( QgsVectorLayer *layer = qobject_cast< QgsVectorLayer * >( qvariant_cast<QObject *>( val ) ) )
{
return new QgsProcessingFeatureSource( layer, context );
}
QString layerRef;
if ( val.canConvert<QgsProperty>() )
{
layerRef = val.value< QgsProperty >().valueAsString( context.expressionContext(), fallbackValue.toString() );
}
else if ( !val.isValid() || val.toString().isEmpty() )
{
// fall back to default
if ( QgsVectorLayer *layer = qobject_cast< QgsVectorLayer * >( qvariant_cast<QObject *>( fallbackValue ) ) )
{
return new QgsProcessingFeatureSource( layer, context );
}
layerRef = fallbackValue.toString();
}
else
{
layerRef = val.toString();
}
if ( layerRef.isEmpty() )
return nullptr;
QgsVectorLayer *vl = qobject_cast< QgsVectorLayer *>( QgsProcessingUtils::mapLayerFromString( layerRef, context ) );
if ( !vl )
return nullptr;
if ( selectedFeaturesOnly )
{
return new QgsProcessingFeatureSource( new QgsVectorLayerSelectedFeatureSource( vl ), context, true );
}
else
{
return new QgsProcessingFeatureSource( vl, context );
}
}
bool QgsProcessingUtils::canUseLayer( const QgsRasterLayer *layer )
{
// only gdal file-based layers
return layer && layer->providerType() == QStringLiteral( "gdal" );
}
bool QgsProcessingUtils::canUseLayer( const QgsVectorLayer *layer, const QList<QgsWkbTypes::GeometryType> &geometryTypes )
{
return layer &&
( geometryTypes.isEmpty() || geometryTypes.contains( layer->geometryType() ) );
}
QString QgsProcessingUtils::normalizeLayerSource( const QString &source )
{
QString normalized = source;
normalized.replace( '\\', '/' );
normalized.replace( '"', QLatin1String( "'" ) );
return normalized.trimmed();
}
QString QgsProcessingUtils::stringToPythonLiteral( const QString &string )
{
QString s = string;
s.replace( '"', QStringLiteral( "\\\"" ) );
s.replace( '\'', QStringLiteral( "\\\'" ) );
s = s.prepend( '\'' ).append( '\'' );
return s;
}
void parseDestinationString( QString &destination, QString &providerKey, QString &uri, QString &format, QMap<QString, QVariant> &options )
{
QRegularExpression splitRx( QStringLiteral( "^(.{3,}):(.*)$" ) );
QRegularExpressionMatch match = splitRx.match( destination );
if ( match.hasMatch() )
{
providerKey = match.captured( 1 );
if ( providerKey == QStringLiteral( "postgis" ) ) // older processing used "postgis" instead of "postgres"
{
providerKey = QStringLiteral( "postgres" );
}
uri = match.captured( 2 );
}
else
{
providerKey = QStringLiteral( "ogr" );
QRegularExpression splitRx( QStringLiteral( "^(.*)\\.(.*?)$" ) );
QRegularExpressionMatch match = splitRx.match( destination );
QString extension;
if ( match.hasMatch() )
{
extension = match.captured( 2 );
format = QgsVectorFileWriter::driverForExtension( extension );
}
if ( format.isEmpty() )
{
format = QStringLiteral( "GPKG" );
destination = destination + QStringLiteral( ".gpkg" );
}
options.insert( QStringLiteral( "driverName" ), format );
uri = destination;
}
}
QgsFeatureSink *QgsProcessingUtils::createFeatureSink( QString &destination, QgsProcessingContext &context, const QgsFields &fields, QgsWkbTypes::Type geometryType, const QgsCoordinateReferenceSystem &crs, const QVariantMap &createOptions )
{
QVariantMap options = createOptions;
if ( !options.contains( QStringLiteral( "fileEncoding" ) ) )
{
// no destination encoding specified, use default
options.insert( QStringLiteral( "fileEncoding" ), context.defaultEncoding().isEmpty() ? QStringLiteral( "system" ) : context.defaultEncoding() );
}
if ( destination.isEmpty() || destination.startsWith( QStringLiteral( "memory:" ) ) )
{
// memory provider cannot be used with QgsVectorLayerImport - so create layer manually
std::unique_ptr< QgsVectorLayer > layer( QgsMemoryProviderUtils::createMemoryLayer( destination, fields, geometryType, crs ) );
if ( !layer )
return nullptr;
if ( !layer->isValid() )
{
return nullptr;
}
// update destination to layer ID
destination = layer->id();
// this is a factory, so we need to return a proxy
std::unique_ptr< QgsProxyFeatureSink > sink( new QgsProxyFeatureSink( layer->dataProvider() ) );
context.temporaryLayerStore()->addMapLayer( layer.release() );
return sink.release();
}
else
{
QString providerKey;
QString uri;
QString format;
parseDestinationString( destination, providerKey, uri, format, options );
if ( providerKey == QLatin1String( "ogr" ) )
{
// use QgsVectorFileWriter for OGR destinations instead of QgsVectorLayerImport, as that allows
// us to use any OGR format which supports feature addition
QString finalFileName;
QgsVectorFileWriter *writer = new QgsVectorFileWriter( destination, options.value( QStringLiteral( "fileEncoding" ) ).toString(), fields, geometryType, crs, format, QgsVectorFileWriter::defaultDatasetOptions( format ),
QgsVectorFileWriter::defaultLayerOptions( format ), &finalFileName );
destination = finalFileName;
return writer;
}
else
{
//create empty layer
std::unique_ptr< QgsVectorLayerExporter > exporter( new QgsVectorLayerExporter( uri, providerKey, fields, geometryType, crs, false, options ) );
if ( exporter->errorCode() )
return nullptr;
// use destination string as layer name (eg "postgis:..." )
std::unique_ptr< QgsVectorLayer > layer( new QgsVectorLayer( uri, destination, providerKey ) );
// update destination to layer ID
destination = layer->id();
context.temporaryLayerStore()->addMapLayer( layer.release() );
return exporter.release();
}
}
return nullptr;
}
void QgsProcessingUtils::createFeatureSinkPython( QgsFeatureSink **sink, QString &destination, QgsProcessingContext &context, const QgsFields &fields, QgsWkbTypes::Type geometryType, const QgsCoordinateReferenceSystem &crs, const QVariantMap &options )
{
*sink = createFeatureSink( destination, context, fields, geometryType, crs, options );
}
QgsRectangle QgsProcessingUtils::combineLayerExtents( const QList<QgsMapLayer *> layers, const QgsCoordinateReferenceSystem &crs )
{
QgsRectangle extent;
Q_FOREACH ( QgsMapLayer *layer, layers )
{
if ( !layer )
continue;
if ( crs.isValid() )
{
//transform layer extent to target CRS
QgsCoordinateTransform ct( layer->crs(), crs );
try
{
QgsRectangle reprojExtent = ct.transformBoundingBox( layer->extent() );
extent.combineExtentWith( reprojExtent );
}
catch ( QgsCsException & )
{
// can't reproject... what to do here? hmmm?
// let's ignore this layer for now, but maybe we should just use the original extent?
}
}
else
{
extent.combineExtentWith( layer->extent() );
}
}
return extent;
}
QVariant QgsProcessingUtils::generateIteratingDestination( const QVariant &input, const QVariant &id, QgsProcessingContext &context )
{
if ( !input.isValid() )
return QStringLiteral( "memory:%1" ).arg( id.toString() );
if ( input.canConvert<QgsProcessingOutputLayerDefinition>() )
{
QgsProcessingOutputLayerDefinition fromVar = qvariant_cast<QgsProcessingOutputLayerDefinition>( input );
QVariant newSink = generateIteratingDestination( fromVar.sink, id, context );
fromVar.sink = QgsProperty::fromValue( newSink );
return fromVar;
}
else if ( input.canConvert<QgsProperty>() )
{
QString res = input.value< QgsProperty>().valueAsString( context.expressionContext() );
return generateIteratingDestination( res, id, context );
}
else
{
QString res = input.toString();
if ( res.startsWith( QStringLiteral( "memory:" ) ) )
{
return res + '_' + id.toString();
}
else
{
// assume a filename type output for now
// TODO - uris?
int lastIndex = res.lastIndexOf( '.' );
return res.left( lastIndex ) + '_' + id.toString() + res.mid( lastIndex );
}
}
}
QString QgsProcessingUtils::tempFolder()
{
static QString sFolder;
static QMutex sMutex;
sMutex.lock();
if ( sFolder.isEmpty() )
{
QString subPath = QUuid::createUuid().toString().remove( '-' ).remove( '{' ).remove( '}' );
sFolder = QDir::tempPath() + QStringLiteral( "/processing_" ) + subPath;
if ( !QDir( sFolder ).exists() )
QDir().mkpath( sFolder );
}
sMutex.unlock();
return sFolder;
}
QString QgsProcessingUtils::generateTempFilename( const QString &basename )
{
QString subPath = QUuid::createUuid().toString().remove( '-' ).remove( '{' ).remove( '}' );
QString path = tempFolder() + '/' + subPath;
if ( !QDir( path ).exists() ) //make sure the directory exists - it shouldn't, but lets be safe...
{
QDir tmpDir;
tmpDir.mkdir( path );
}
return path + '/' + basename;
}
QString QgsProcessingUtils::formatHelpMapAsHtml( const QVariantMap &map, const QgsProcessingAlgorithm *algorithm )
{
auto getText = [map]( const QString & key )->QString
{
if ( map.contains( key ) )
return map.value( key ).toString();
return QString();
};
QString s = QObject::tr( "<html><body><h2>Algorithm description</h2>\n" );
s += QStringLiteral( "<p>" ) + getText( QStringLiteral( "ALG_DESC" ) ) + QStringLiteral( "</p>\n" );
s += QObject::tr( "<h2>Input parameters</h2>\n" );
Q_FOREACH ( const QgsProcessingParameterDefinition *def, algorithm->parameterDefinitions() )
{
s += QStringLiteral( "<h3>" ) + def->description() + QStringLiteral( "</h3>\n" );
s += QStringLiteral( "<p>" ) + getText( def->name() ) + QStringLiteral( "</p>\n" );
}
s += QObject::tr( "<h2>Outputs</h2>\n" );
Q_FOREACH ( const QgsProcessingOutputDefinition *def, algorithm->outputDefinitions() )
{
s += QStringLiteral( "<h3>" ) + def->description() + QStringLiteral( "</h3>\n" );
s += QStringLiteral( "<p>" ) + getText( def->name() ) + QStringLiteral( "</p>\n" );
}
s += QLatin1String( "<br>" );
s += QObject::tr( "<p align=\"right\">Algorithm author: %1</p>" ).arg( getText( QStringLiteral( "ALG_CREATOR" ) ) );
s += QObject::tr( "<p align=\"right\">Help author: %1</p>" ).arg( getText( QStringLiteral( "ALG_HELP_CREATOR" ) ) );
s += QObject::tr( "<p align=\"right\">Algorithm version: %1</p>" ).arg( getText( QStringLiteral( "ALG_VERSION" ) ) );
s += QStringLiteral( "</body></html>" );
return s;
}
QString QgsProcessingUtils::convertToCompatibleFormat( const QgsVectorLayer *vl, bool selectedFeaturesOnly, const QString &baseName, const QStringList &compatibleFormats, const QString &preferredFormat, QgsProcessingContext &context, QgsProcessingFeedback *feedback )
{
bool requiresTranslation = selectedFeaturesOnly;
if ( !selectedFeaturesOnly )
{
QFileInfo fi( vl->source() );
requiresTranslation = !compatibleFormats.contains( fi.suffix(), Qt::CaseInsensitive );
}
if ( requiresTranslation )
{
QString temp = QgsProcessingUtils::generateTempFilename( baseName + '.' + preferredFormat );
QgsVectorFileWriter writer( temp, context.defaultEncoding(),
vl->fields(), vl->wkbType(), vl->crs(), QgsVectorFileWriter::driverForExtension( preferredFormat ) );
QgsFeature f;
QgsFeatureIterator it;
if ( selectedFeaturesOnly )
it = vl->getSelectedFeatures();
else
it = vl->getFeatures();
while ( it.nextFeature( f ) )
{
if ( feedback->isCanceled() )
return QString();
writer.addFeature( f, QgsFeatureSink::FastInsert );
}
return temp;
}
else
{
return vl->source();
}
}
QgsFields QgsProcessingUtils::combineFields( const QgsFields &fieldsA, const QgsFields &fieldsB )
{
QgsFields outFields = fieldsA;
QSet< QString > usedNames;
for ( const QgsField &f : fieldsA )
{
usedNames.insert( f.name().toLower() );
}
for ( const QgsField &f : fieldsB )
{
if ( usedNames.contains( f.name().toLower() ) )
{
int idx = 2;
QString newName = f.name() + '_' + QString::number( idx );
while ( usedNames.contains( newName.toLower() ) )
{
idx++;
newName = f.name() + '_' + QString::number( idx );
}
QgsField newField = f;
newField.setName( newName );
outFields.append( newField );
usedNames.insert( newName.toLower() );
}
else
{
usedNames.insert( f.name().toLower() );
outFields.append( f );
}
}
return outFields;
}
//
// QgsProcessingFeatureSource
//
QgsProcessingFeatureSource::QgsProcessingFeatureSource( QgsFeatureSource *originalSource, const QgsProcessingContext &context, bool ownsOriginalSource )
: mSource( originalSource )
, mOwnsSource( ownsOriginalSource )
, mInvalidGeometryCheck( context.invalidGeometryCheck() )
, mInvalidGeometryCallback( context.invalidGeometryCallback() )
, mTransformErrorCallback( context.transformErrorCallback() )
{}
QgsProcessingFeatureSource::~QgsProcessingFeatureSource()
{
if ( mOwnsSource )
delete mSource;
}
QgsFeatureIterator QgsProcessingFeatureSource::getFeatures( const QgsFeatureRequest &request, Flags flags ) const
{
QgsFeatureRequest req( request );
req.setTransformErrorCallback( mTransformErrorCallback );
if ( flags & FlagSkipGeometryValidityChecks )
req.setInvalidGeometryCheck( QgsFeatureRequest::GeometryNoCheck );
else
{
req.setInvalidGeometryCheck( mInvalidGeometryCheck );
req.setInvalidGeometryCallback( mInvalidGeometryCallback );
}
return mSource->getFeatures( req );
}
QgsFeatureIterator QgsProcessingFeatureSource::getFeatures( const QgsFeatureRequest &request ) const
{
QgsFeatureRequest req( request );
req.setInvalidGeometryCheck( mInvalidGeometryCheck );
req.setInvalidGeometryCallback( mInvalidGeometryCallback );
req.setTransformErrorCallback( mTransformErrorCallback );
return mSource->getFeatures( req );
}
QgsCoordinateReferenceSystem QgsProcessingFeatureSource::sourceCrs() const
{
return mSource->sourceCrs();
}
QgsFields QgsProcessingFeatureSource::fields() const
{
return mSource->fields();
}
QgsWkbTypes::Type QgsProcessingFeatureSource::wkbType() const
{
return mSource->wkbType();
}
long QgsProcessingFeatureSource::featureCount() const
{
return mSource->featureCount();
}
QString QgsProcessingFeatureSource::sourceName() const
{
return mSource->sourceName();
}
QSet<QVariant> QgsProcessingFeatureSource::uniqueValues( int fieldIndex, int limit ) const
{
return mSource->uniqueValues( fieldIndex, limit );
}
QVariant QgsProcessingFeatureSource::minimumValue( int fieldIndex ) const
{
return mSource->minimumValue( fieldIndex );
}
QVariant QgsProcessingFeatureSource::maximumValue( int fieldIndex ) const
{
return mSource->maximumValue( fieldIndex );
}