QGIS API Documentation  3.3.0-Master (208571a)
Classes
qgsexpressioncontext.h File Reference
#include "qgis_core.h"
#include "qgis_sip.h"
#include "qgis.h"
#include <QVariant>
#include <QHash>
#include <QString>
#include <QStringList>
#include <QSet>
#include "qgsfeature.h"
#include "qgsexpression.h"
#include "qgsexpressionfunction.h"
#include "qgspointlocator.h"
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Classes

class  QgsExpressionContext
 Expression contexts are used to encapsulate the parameters around which a QgsExpression should be evaluated. More...
 
class  QgsExpressionContextScope
 Single scope for storing variables and functions for use within a QgsExpressionContext. More...
 
class  QgsExpressionContextUtils
 Contains utilities for working with QgsExpressionContext objects, including methods for creating scopes for specific uses (e.g., project scopes, layer scopes). More...
 
class  QgsScopedExpressionFunction
 Expression function for use within a QgsExpressionContextScope. More...
 
struct  QgsExpressionContextScope::StaticVariable
 Single variable definition for use within a QgsExpressionContextScope. More...