qgsexpressionutils.h File Reference

#include "qgsfeature.h"
#include "qgsexpression.h"
#include "qgsvectorlayerfeatureiterator.h"
#include "qgsrasterlayer.h"
#include "qgsproject.h"
#include "qgsrelationmanager.h"
#include "qgsvectorlayer.h"
#include "qgsmeshlayer.h"
#include <QThread>
#include <QLocale>

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Classes
class	QgsExpressionUtils
	A set of expression-related functions. More...

Macros
#define	ENSURE_NO_EVAL_ERROR   { if ( parent->hasEvalError() ) return QVariant(); }
#define	FEAT_FROM_CONTEXT(c, f)
#define	SET_EVAL_ERROR(x)   { parent->setEvalErrorString( x ); return QVariant(); }
#define	SIP_NO_FILE

Macro Definition Documentation

ENSURE_NO_EVAL_ERROR

#define ENSURE_NO_EVAL_ERROR   { if ( parent->hasEvalError() ) return QVariant(); }

Definition at line 36 of file qgsexpressionutils.h.

FEAT_FROM_CONTEXT

#define FEAT_FROM_CONTEXT	(		c,
			f
	)

Value:

  if ( !(c) || !( c )->hasFeature() ) return QVariant(); \
  QgsFeature f = ( c )->feature();

Definition at line 39 of file qgsexpressionutils.h.

SET_EVAL_ERROR

#define SET_EVAL_ERROR

(

x

)

{ parent->setEvalErrorString( x ); return QVariant(); }

Definition at line 37 of file qgsexpressionutils.h.

SIP_NO_FILE

#define SIP_NO_FILE

Definition at line 20 of file qgsexpressionutils.h.