casacore::TaQLBinaryNodeRep Class Reference

Raw TaQL parse tree node defining a binary operator. More...

#include <TaQLNodeDer.h>

Public Types
enum	Type {   B_PLUS ,   B_MINUS ,   B_TIMES ,   B_DIVIDE ,   B_MODULO ,   B_POWER ,   B_EQ ,   B_NE ,   B_GT ,   B_GE ,   B_LT ,   B_LE ,   B_OR ,   B_AND ,   B_IN ,   B_INDEX ,   B_DIVIDETRUNC ,   B_EQREGEX ,   B_NEREGEX ,   B_BITAND ,   B_BITXOR ,   B_BITOR }
	Do not change the values of this enum, as objects might be persistent. More...

Public Member Functions
	TaQLBinaryNodeRep (Type type, const TaQLNode &left, const TaQLNode &right)
virtual TaQLNodeResult	visit (TaQLNodeVisitor &) const override
	Visit a node for tree traversal. More...
virtual void	show (std::ostream &os) const override
	Print the object in an ostream. More...
virtual void	save (AipsIO &aio) const override
	Save the object. More...
Public Member Functions inherited from casacore::TaQLNodeRep
	TaQLNodeRep (int nodeType)
	Constructor for derived classes specifying the type. More...
virtual	~TaQLNodeRep ()
char	nodeType () const
	Get the node type of the derived class. More...
const TaQLStyle &	style () const
	Get the TaQL style. More...
String	addEscape (const String &str) const
	Add escape characters to a table name where needed. More...

Static Public Member Functions
static TaQLNode	restore (AipsIO &aio)
static TaQLBinaryNodeRep *	handleRegex (const TaQLNode &left, const TaQLRegexNode &regex)
	Handle a comparison wih a regex. More...
Static Public Member Functions inherited from casacore::TaQLNodeRep
static String	checkDataType (const String &)
	Check the data type string and return its standard form. More...

Public Attributes
Type	itsType
TaQLNode	itsLeft
TaQLNode	itsRight

Detailed Description

Raw TaQL parse tree node defining a binary operator.

Intended use:

Internal

Review Status

Test programs:

tTaQLNode

Prerequisite

• TaQLNodeRep

Synopsis

This class is a TaQLNodeRep holding a binary operator and operands. All standard mathematical (including % and ^), relational, bit, and logical operators are supported. Furthermore operator IN and the INDEX operator (for indexing in an array) are supported.

Definition at line 191 of file TaQLNodeDer.h.

Member Enumeration Documentation

Type

enum casacore::TaQLBinaryNodeRep::Type

Do not change the values of this enum, as objects might be persistent.

Enumerator
B_PLUS
B_MINUS
B_TIMES
B_DIVIDE
B_MODULO
B_POWER
B_EQ
B_NE
B_GT
B_GE
B_LT
B_LE
B_OR
B_AND
B_IN
B_INDEX
B_DIVIDETRUNC
B_EQREGEX
B_NEREGEX
B_BITAND
B_BITXOR
B_BITOR

Definition at line 195 of file TaQLNodeDer.h.

Constructor & Destructor Documentation

TaQLBinaryNodeRep()

casacore::TaQLBinaryNodeRep::TaQLBinaryNodeRep	(	Type	type,
		const TaQLNode &	left,
		const TaQLNode &	right
	)

Member Function Documentation

handleRegex()

static TaQLBinaryNodeRep* casacore::TaQLBinaryNodeRep::handleRegex ( const TaQLNode &  left, const TaQLRegexNode &  regex  )

static

Handle a comparison wih a regex.

The operator (~ or !~) is extracted from the regex.

restore()

static TaQLNode casacore::TaQLBinaryNodeRep::restore ( AipsIO &  aio )

static

save()

virtual void casacore::TaQLBinaryNodeRep::save ( AipsIO &  aio ) const

overridevirtual

Save the object.

Implements casacore::TaQLNodeRep.

show()

virtual void casacore::TaQLBinaryNodeRep::show ( std::ostream &  os ) const

overridevirtual

Print the object in an ostream.

Implements casacore::TaQLNodeRep.

visit()

virtual TaQLNodeResult casacore::TaQLBinaryNodeRep::visit ( TaQLNodeVisitor &  ) const

overridevirtual

Visit a node for tree traversal.

Implements casacore::TaQLNodeRep.

Member Data Documentation

itsLeft

TaQLNode casacore::TaQLBinaryNodeRep::itsLeft

Definition at line 228 of file TaQLNodeDer.h.

itsRight

TaQLNode casacore::TaQLBinaryNodeRep::itsRight

Definition at line 229 of file TaQLNodeDer.h.

itsType

Type casacore::TaQLBinaryNodeRep::itsType

Definition at line 227 of file TaQLNodeDer.h.

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The documentation for this class was generated from the following file:

• tables/TaQL/TaQLNodeDer.h