mirror of
https://github.com/qgis/QGIS.git
synced 2025-02-27 00:33:48 -05:00
673fac0c88
- nodes() return the list of all nodes - findNodes<T> returns a list of the nodes matching the class Also drops the regexp for finding form attrs in the value-relation expressions. Other minor fixes as suggested in the PR review.
495 lines
12 KiB
Plaintext
495 lines
12 KiB
Plaintext
/************************************************************************
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* This file has been generated automatically from *
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* *
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* src/core/expression/qgsexpressionnodeimpl.h *
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* *
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* Do not edit manually ! Edit header and run scripts/sipify.pl again *
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************************************************************************/
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class QgsExpressionNodeUnaryOperator : QgsExpressionNode
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{
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%Docstring
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A unary node is either negative as in boolean (not) or as in numbers (minus).
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%End
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%TypeHeaderCode
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#include "qgsexpressionnodeimpl.h"
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%End
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public:
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enum UnaryOperator
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{
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uoNot,
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uoMinus,
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};
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QgsExpressionNodeUnaryOperator( QgsExpressionNodeUnaryOperator::UnaryOperator op, QgsExpressionNode *operand /Transfer/ );
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%Docstring
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A node unary operator is modifying the value of ``operand`` by negating it with ``op``.
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%End
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~QgsExpressionNodeUnaryOperator();
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QgsExpressionNodeUnaryOperator::UnaryOperator op() const;
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%Docstring
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Returns the unary operator.
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%End
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QgsExpressionNode *operand() const;
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%Docstring
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Returns the node the operator will operate upon.
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%End
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virtual QgsExpressionNode::NodeType nodeType() const;
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virtual bool prepareNode( QgsExpression *parent, const QgsExpressionContext *context );
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virtual QVariant evalNode( QgsExpression *parent, const QgsExpressionContext *context );
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virtual QString dump() const;
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virtual QSet<QString> referencedColumns() const;
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virtual QSet<QString> referencedVariables() const;
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virtual QSet<QString> referencedFunctions() const;
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virtual QgsExpressionNode *clone() const /Factory/;
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virtual bool isStatic( QgsExpression *parent, const QgsExpressionContext *context ) const;
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QString text() const;
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%Docstring
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Returns a the name of this operator without the operands.
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I.e. "NOT" or "-"
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%End
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};
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class QgsExpressionNodeBinaryOperator : QgsExpressionNode
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{
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%Docstring
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A binary expression operator, which operates on two values.
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%End
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%TypeHeaderCode
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#include "qgsexpressionnodeimpl.h"
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%End
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public:
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enum BinaryOperator
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{
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// logical
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boOr,
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boAnd,
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// comparison
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boEQ,
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boNE,
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boLE,
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boGE,
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boLT,
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boGT,
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boRegexp,
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boLike,
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boNotLike,
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boILike,
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boNotILike,
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boIs,
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boIsNot,
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// math
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boPlus,
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boMinus,
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boMul,
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boDiv,
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boIntDiv,
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boMod,
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boPow,
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// strings
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boConcat,
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};
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QgsExpressionNodeBinaryOperator( QgsExpressionNodeBinaryOperator::BinaryOperator op, QgsExpressionNode *opLeft /Transfer/, QgsExpressionNode *opRight /Transfer/ );
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%Docstring
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Binary combination of the left and the right with op.
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%End
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~QgsExpressionNodeBinaryOperator();
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QgsExpressionNodeBinaryOperator::BinaryOperator op() const;
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%Docstring
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Returns the binary operator.
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%End
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QgsExpressionNode *opLeft() const;
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%Docstring
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Returns the node to the left of the operator.
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.. seealso:: :py:func:`opRight`
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%End
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QgsExpressionNode *opRight() const;
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%Docstring
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Returns the node to the right of the operator.
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.. seealso:: :py:func:`opLeft`
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%End
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virtual QgsExpressionNode::NodeType nodeType() const;
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virtual bool prepareNode( QgsExpression *parent, const QgsExpressionContext *context );
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virtual QVariant evalNode( QgsExpression *parent, const QgsExpressionContext *context );
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virtual QString dump() const;
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virtual QSet<QString> referencedColumns() const;
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virtual QSet<QString> referencedVariables() const;
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virtual QSet<QString> referencedFunctions() const;
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virtual bool needsGeometry() const;
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virtual QgsExpressionNode *clone() const /Factory/;
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virtual bool isStatic( QgsExpression *parent, const QgsExpressionContext *context ) const;
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int precedence() const;
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%Docstring
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Returns the precedence index for the operator. Higher values have higher precedence.
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%End
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bool leftAssociative() const;
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%Docstring
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Returns true if the operator is left-associative.
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%End
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QString text() const;
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%Docstring
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Returns a the name of this operator without the operands.
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I.e. "AND", "OR", ...
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%End
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};
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class QgsExpressionNodeInOperator : QgsExpressionNode
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{
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%Docstring
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An expression node for value IN or NOT IN clauses.
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%End
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%TypeHeaderCode
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#include "qgsexpressionnodeimpl.h"
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%End
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public:
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QgsExpressionNodeInOperator( QgsExpressionNode *node /Transfer/, QgsExpressionNode::NodeList *list /Transfer/, bool notin = false );
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%Docstring
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This node tests if the result of ``node`` is in the result of ``list``. Optionally it can be inverted with ``notin`` which by default is false.
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%End
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~QgsExpressionNodeInOperator();
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QgsExpressionNode *node() const;
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%Docstring
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Returns the expression node.
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%End
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bool isNotIn() const;
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%Docstring
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Returns true if this node is a "NOT IN" operator, or false if the node is a normal "IN" operator.
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%End
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QgsExpressionNode::NodeList *list() const;
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%Docstring
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Returns the list of nodes to search for matching values within.
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%End
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virtual QgsExpressionNode::NodeType nodeType() const;
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virtual bool prepareNode( QgsExpression *parent, const QgsExpressionContext *context );
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virtual QVariant evalNode( QgsExpression *parent, const QgsExpressionContext *context );
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virtual QString dump() const;
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virtual QSet<QString> referencedColumns() const;
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virtual QSet<QString> referencedVariables() const;
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virtual QSet<QString> referencedFunctions() const;
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virtual QgsExpressionNode *clone() const /Factory/;
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virtual bool isStatic( QgsExpression *parent, const QgsExpressionContext *context ) const;
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};
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class QgsExpressionNodeFunction : QgsExpressionNode
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{
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%Docstring
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An expression node for expression functions.
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%End
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%TypeHeaderCode
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#include "qgsexpressionnodeimpl.h"
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%End
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public:
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QgsExpressionNodeFunction( int fnIndex, QgsExpressionNode::NodeList *args /Transfer/ );
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%Docstring
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A function node consists of an index of the function in the global function array and
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a list of arguments that will be passed to it.
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%End
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~QgsExpressionNodeFunction();
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int fnIndex() const;
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%Docstring
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Returns the index of the node's function.
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%End
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QgsExpressionNode::NodeList *args() const;
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%Docstring
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Returns a list of arguments specified for the function.
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%End
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virtual QgsExpressionNode::NodeType nodeType() const;
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virtual bool prepareNode( QgsExpression *parent, const QgsExpressionContext *context );
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virtual QVariant evalNode( QgsExpression *parent, const QgsExpressionContext *context );
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virtual QString dump() const;
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virtual QSet<QString> referencedColumns() const;
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virtual QSet<QString> referencedVariables() const;
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virtual QSet<QString> referencedFunctions() const;
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virtual QgsExpressionNode *clone() const /Factory/;
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virtual bool isStatic( QgsExpression *parent, const QgsExpressionContext *context ) const;
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static bool validateParams( int fnIndex, QgsExpressionNode::NodeList *args, QString &error );
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%Docstring
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Tests whether the provided argument list is valid for the matching function
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%End
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};
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class QgsExpressionNodeLiteral : QgsExpressionNode
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{
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%Docstring
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An expression node for literal values.
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%End
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%TypeHeaderCode
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#include "qgsexpressionnodeimpl.h"
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%End
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public:
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QgsExpressionNodeLiteral( const QVariant &value );
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%Docstring
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Constructor for QgsExpressionNodeLiteral, with the specified literal ``value``.
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%End
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QVariant value() const;
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%Docstring
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The value of the literal.
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%End
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virtual QgsExpressionNode::NodeType nodeType() const;
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virtual bool prepareNode( QgsExpression *parent, const QgsExpressionContext *context );
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virtual QVariant evalNode( QgsExpression *parent, const QgsExpressionContext *context );
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virtual QString dump() const;
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virtual QSet<QString> referencedColumns() const;
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virtual QSet<QString> referencedVariables() const;
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virtual QSet<QString> referencedFunctions() const;
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virtual QgsExpressionNode *clone() const /Factory/;
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virtual bool isStatic( QgsExpression *parent, const QgsExpressionContext *context ) const;
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};
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class QgsExpressionNodeColumnRef : QgsExpressionNode
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{
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%Docstring
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An expression node which takes it value from a feature's field.
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%End
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%TypeHeaderCode
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#include "qgsexpressionnodeimpl.h"
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%End
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public:
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QgsExpressionNodeColumnRef( const QString &name );
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%Docstring
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Constructor for QgsExpressionNodeColumnRef, referencing the column
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with the specified ``name``.
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%End
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QString name() const;
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%Docstring
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The name of the column.
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%End
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virtual QgsExpressionNode::NodeType nodeType() const;
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virtual bool prepareNode( QgsExpression *parent, const QgsExpressionContext *context );
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virtual QVariant evalNode( QgsExpression *parent, const QgsExpressionContext *context );
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virtual QString dump() const;
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virtual QSet<QString> referencedColumns() const;
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virtual QSet<QString> referencedVariables() const;
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virtual QSet<QString> referencedFunctions() const;
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virtual bool needsGeometry() const;
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virtual QgsExpressionNode *clone() const /Factory/;
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virtual bool isStatic( QgsExpression *parent, const QgsExpressionContext *context ) const;
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};
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class QgsExpressionNodeCondition : QgsExpressionNode
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{
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%Docstring
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An expression node for CASE WHEN clauses.
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%End
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%TypeHeaderCode
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#include "qgsexpressionnodeimpl.h"
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%End
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public:
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class WhenThen
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{
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%Docstring
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Represents a "WHEN... THEN..." portation of a CASE WHEN clause in an expression.
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%End
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%TypeHeaderCode
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#include "qgsexpressionnodeimpl.h"
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%End
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public:
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WhenThen( QgsExpressionNode *whenExp, QgsExpressionNode *thenExp );
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%Docstring
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A combination of when and then. Simple as that.
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%End
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~WhenThen();
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QgsExpressionNodeCondition::WhenThen *clone() const /Factory/;
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%Docstring
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Get a deep copy of this WhenThen combination.
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%End
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QgsExpressionNode *whenExp() const;
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%Docstring
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The expression that makes the WHEN part of the condition.
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:return: The expression node that makes the WHEN part of the condition check.
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%End
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QgsExpressionNode *thenExp() const;
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%Docstring
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The expression node that makes the THEN result part of the condition.
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:return: The expression node that makes the THEN result part of the condition.
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%End
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private:
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WhenThen( const QgsExpressionNodeCondition::WhenThen &rh );
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};
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typedef QList<QgsExpressionNodeCondition::WhenThen *> WhenThenList;
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QgsExpressionNodeCondition( QgsExpressionNodeCondition::WhenThenList *conditions, QgsExpressionNode *elseExp = 0 );
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%Docstring
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Create a new node with the given list of ``conditions`` and an optional ``elseExp`` expression.
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%End
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~QgsExpressionNodeCondition();
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virtual QgsExpressionNode::NodeType nodeType() const;
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virtual QVariant evalNode( QgsExpression *parent, const QgsExpressionContext *context );
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virtual bool prepareNode( QgsExpression *parent, const QgsExpressionContext *context );
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virtual QString dump() const;
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WhenThenList conditions() const;
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%Docstring
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The list of WHEN THEN expression parts of the expression.
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:return: The list of WHEN THEN expression parts of the expression.
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%End
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QgsExpressionNode *elseExp() const;
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%Docstring
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The ELSE expression used for the condition.
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:return: The ELSE expression used for the condition.
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%End
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virtual QSet<QString> referencedColumns() const;
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virtual QSet<QString> referencedVariables() const;
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virtual QSet<QString> referencedFunctions() const;
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virtual bool needsGeometry() const;
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virtual QgsExpressionNode *clone() const /Factory/;
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virtual bool isStatic( QgsExpression *parent, const QgsExpressionContext *context ) const;
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};
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/************************************************************************
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* This file has been generated automatically from *
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* *
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* src/core/expression/qgsexpressionnodeimpl.h *
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* *
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* Do not edit manually ! Edit header and run scripts/sipify.pl again *
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************************************************************************/
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