Selector Class Reference
[Kernel Predicates]

Atom Selection from Regular Expression. More...

#include <selector.h>

Inheritance diagram for Selector:

List of all members.

Public Member Functions
Constructors and Destructors
	Selector () throw ()
	Default constructor.
	Selector (const Selector &selector) throw ()
	Copy constructor.
	Selector (const String &expression_string) throw ()
	Construct a Selector with a string.
virtual	~Selector () throw ()
	Destructor.
Assignment
virtual void	clear () throw ()
	Clear method.
Selector &	operator= (const Selector &selector) throw ()
	Assignment operator.
Predicates
bool	operator== (const Selector &selector) const throw ()
	Equality.
Processor related methods
virtual Processor::Result	operator() (Composite &composite) throw ()
	Access operator.
virtual bool	start () throw ()
	Processor start method.
Accessors
Size	getNumberOfSelectedAtoms () const throw ()
	Return the number of atoms selected during the last application.
List< Atom * > &	getSelectedAtoms () throw ()
	Return a list containing pointers to all selected Atoms.
void	setExpression (const Expression &expression) throw ()
	Define the expression.
const Expression &	getExpression () const throw ()
	Return the expression.
Protected Attributes
List< Atom * >	selected_atoms_
Expression	expression_

---

Detailed Description

Atom Selection from Regular Expression.

---

Constructor & Destructor Documentation

Selector::Selector (   )  throw ()

Default constructor.

Selector::Selector (  const Selector &  selector  )  throw ()

Copy constructor.

Selector::Selector (  const String &  expression_string  )  throw ()

Construct a Selector with a string. The selector's expression is set to expression_string.

virtual Selector::~Selector (   )  throw () [virtual]

Destructor.

---

Member Function Documentation

virtual void Selector::clear (   )  throw () [virtual]

Clear method.

const Expression& Selector::getExpression (   )  const throw ()

Return the expression.

Size Selector::getNumberOfSelectedAtoms (   )  const throw ()

Return the number of atoms selected during the last application.

virtual Processor::Result Selector::operator() (  Composite &  composite  )  throw () [virtual]

Access operator. If the given Composite is an Atom and the current expression_ is fulfilled for that atom, select it by calling Composite::select . Reimplemented from UnaryProcessor< Composite >.

Selector& Selector::operator= (  const Selector &  selector  )  throw ()

Assignment operator.

bool Selector::operator== (  const Selector &  selector  )  const throw ()

Equality.

void Selector::setExpression (  const Expression &  expression  )  throw ()

Define the expression.

virtual bool Selector::start (   )  throw () [virtual]

Processor start method. This method is needed to reset the internal counter for the number of selected atoms. Reimplemented from UnaryProcessor< Composite >.