org.fit.layout.classify.taggers

Class PagesTagger

java.lang.Object

org.fit.layout.classify.taggers.PagesTagger

All Implemented Interfaces:

Tagger

public class PagesTagger
extends Object
implements Tagger

Very simple page numbers tagger. Recognizes the numeric ranges (e.g. 12-24)

Author:

burgetr

Field Summary

Fields

Modifier and Type	Field and Description
protected Pattern	pgexpr

Constructor Summary

Constructors

Constructor and Description
PagesTagger()

Method Summary

Methods

Modifier and Type	Method and Description
boolean	allowsContinuation(org.fit.layout.model.Area node) Checks whether the area may be a continuation of a previously started area tagged with this tag.
boolean	allowsJoining() Checks whether the tag may be used for joining the areas in the visual area tree.
boolean	belongsTo(org.fit.layout.model.Area node) Checks whether the area may be tagged with the tag.
Vector<String>	extract(String src) Extracts the parts of a source string that correspond to this tag.
double	getRelevance() Obtains the relevance of the tagger.
TextTag	getTag() Obtains the tag that this tagger assigns to the areas.
boolean	mayCoexistWith(org.fit.layout.model.Tag other) Check if the area tagged with this tag may be tagged with another tag.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

pgexpr

protected Pattern pgexpr

Constructor Detail

PagesTagger

public PagesTagger()

Method Detail

getTag

public TextTag getTag()

Description copied from interface: Tagger

Obtains the tag that this tagger assigns to the areas.

Specified by:

getTag in interface Tagger

Returns:

the tag string

getRelevance

public double getRelevance()

Description copied from interface: Tagger

Obtains the relevance of the tagger.

Specified by:

getRelevance in interface Tagger

Returns:

the relevance (0.0 no relevance, 1.0 means absolutely sure)

belongsTo

public boolean belongsTo(org.fit.layout.model.Area node)

Description copied from interface: Tagger

Checks whether the area may be tagged with the tag. This method does not actually assign the tag to the area.

Specified by:

belongsTo in interface Tagger

Parameters:

node - The examined area node.

Returns:

true if the area should be tagged with the tag

allowsContinuation

public boolean allowsContinuation(org.fit.layout.model.Area node)

Description copied from interface: Tagger

Checks whether the area may be a continuation of a previously started area tagged with this tag.

Specified by:

allowsContinuation in interface Tagger

Parameters:

node - The examined area node.

Returns:

true if the area may be a continuation of a tagged area

allowsJoining

public boolean allowsJoining()

Description copied from interface: Tagger

Checks whether the tag may be used for joining the areas in the visual area tree.

Specified by:

allowsJoining in interface Tagger

Returns:

true if the tag may be used for joining.

mayCoexistWith

public boolean mayCoexistWith(org.fit.layout.model.Tag other)

Description copied from interface: Tagger

Check if the area tagged with this tag may be tagged with another tag. If not, this tag won't be used for the areas already tagged with another tag.

Specified by:

mayCoexistWith in interface Tagger

extract

public Vector<String> extract(String src)

Description copied from interface: Tagger

Extracts the parts of a source string that correspond to this tag.

Specified by:

extract in interface Tagger

Parameters:

src - The source string.

Returns:

A vector of extracted strings.