support for visitor pattern - algorithms dealing with the expressions may be implemented without modifying the Node classes
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#include <qgsexpression.h>
support for visitor pattern - algorithms dealing with the expressions may be implemented without modifying the Node classes
Definition at line 687 of file qgsexpression.h.
virtual QgsExpression::Visitor::~Visitor |
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inlinevirtual |
virtual void QgsExpression::Visitor::visit |
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const NodeInOperator & |
n | ) |
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pure virtual |
virtual void QgsExpression::Visitor::visit |
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const NodeFunction & |
n | ) |
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pure virtual |
virtual void QgsExpression::Visitor::visit |
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const NodeLiteral & |
n | ) |
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pure virtual |
virtual void QgsExpression::Visitor::visit |
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const NodeColumnRef & |
n | ) |
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pure virtual |
virtual void QgsExpression::Visitor::visit |
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const NodeCondition & |
n | ) |
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pure virtual |
The documentation for this class was generated from the following file:
- /tmp/buildd/qgis-2.10.1+git20150822+dd4475c+20trusty/src/core/qgsexpression.h