Xapian::StemStopper Class Reference

Stopper subclass which checks for both stemmed and unstemmed stopwords. More...

#include <cluster.h>

Inheritance diagram for Xapian::StemStopper:

Collaboration diagram for Xapian::StemStopper:

Public Types
enum	stem_strategy {   STEM_NONE , STEM_SOME , STEM_ALL , STEM_ALL_Z ,   STEM_SOME_FULL_POS }
	Stemming strategies. More...

Public Member Functions
	StemStopper (const Xapian::Stem &stemmer, stem_strategy strategy=STEM_SOME)
	Constructor. More...
std::string	get_description () const override
	Return a string describing this object. More...
bool	operator() (const std::string &term) const override
	Is term a stop-word? More...
void	add (std::string_view term)
	Add a single stop word and its stemmed equivalent. More...
Public Member Functions inherited from Xapian::Stopper
	Stopper ()
	Default constructor. More...
virtual	~Stopper ()
	Class has virtual methods, so provide a virtual destructor. More...
Stopper *	release ()
	Start reference counting this object. More...
const Stopper *	release () const
	Start reference counting this object. More...
Public Member Functions inherited from Xapian::Internal::opt_intrusive_base
	opt_intrusive_base (const opt_intrusive_base &)
opt_intrusive_base &	operator= (const opt_intrusive_base &)
	opt_intrusive_base ()
	Construct object which is initially not reference counted. More...
virtual	~opt_intrusive_base ()
void	ref () const
void	unref () const

Private Attributes
stem_strategy	stem_action
std::unordered_set< std::string >	stop_words
Xapian::Stem	stemmer

Additional Inherited Members
Public Attributes inherited from Xapian::Internal::opt_intrusive_base
unsigned	_refs
	Reference count. More...
Protected Member Functions inherited from Xapian::Internal::opt_intrusive_base
void	release () const
	Start reference counting. More...

Detailed Description

Stopper subclass which checks for both stemmed and unstemmed stopwords.

This is intended for use with Xapian::Cluster.

Definition at line 48 of file cluster.h.

Member Enumeration Documentation

stem_strategy

enum Xapian::StemStopper::stem_strategy

Stemming strategies.

Enumerator
STEM_NONE
STEM_SOME
STEM_ALL
STEM_ALL_Z
STEM_SOME_FULL_POS

Definition at line 51 of file cluster.h.

Constructor & Destructor Documentation

StemStopper()

Xapian::StemStopper::StemStopper ( const Xapian::Stem &  stemmer, stem_strategy  strategy = STEM_SOME  )

explicit

Constructor.

Parameters

stemmer	The Xapian::Stem object to set.
strategy	The stemming strategy to be used.

Member Function Documentation

add()

void Xapian::StemStopper::add

(

std::string_view

term

)

Add a single stop word and its stemmed equivalent.

get_description()

std::string Xapian::StemStopper::get_description ( ) const

overridevirtual

Return a string describing this object.

Reimplemented from Xapian::Stopper.

operator()()

bool Xapian::StemStopper::operator() ( const std::string &  term ) const

inlineoverridevirtual

Is term a stop-word?

Parameters

term	The term to test.

Implements Xapian::Stopper.

Definition at line 64 of file cluster.h.

References term.

Member Data Documentation

stem_action

stem_strategy Xapian::StemStopper::stem_action

private

Definition at line 72 of file cluster.h.

stemmer

Xapian::Stem Xapian::StemStopper::stemmer

private

Definition at line 74 of file cluster.h.

stop_words

std::unordered_set<std::string> Xapian::StemStopper::stop_words

private

Definition at line 73 of file cluster.h.

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

• include/xapian/cluster.h