edu.stanford.nlp.trees.treebank

Class DefaultMapper

java.lang.Object

edu.stanford.nlp.trees.treebank.DefaultMapper

All Implemented Interfaces:

Mapper

public class DefaultMapper
extends Object
implements Mapper

Author:

Spence Green

Constructor Summary

Constructors

Constructor and Description
DefaultMapper()

Method Summary

Modifier and Type	Method and Description
boolean	canChangeEncoding(String parent, String child) Indicates whether child can be converted to another encoding.
String	map(String parent, String element) Maps from one string representation to another.
void	setup(File path, String... options) Perform initialization prior to the first call to map.

Methods inherited from class java.lang.Object

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

Constructor Detail

DefaultMapper

public DefaultMapper()

Method Detail

canChangeEncoding

public boolean canChangeEncoding(String parent,
                                 String child)

Description copied from interface: Mapper

Indicates whether child can be converted to another encoding. In the ATB, for example, if a punctuation character is labeled with the "PUNC" POS tag, then that character should not be converted from Buckwalter to UTF-8.

Specified by:

canChangeEncoding in interface Mapper

Parameters:

parent - element's context (e.g., the parent node in a parse tree)

child - The string to be transformed.

Returns:

True if the string encoding can be changed. False otherwise.

map

public String map(String parent,
                  String element)

Description copied from interface: Mapper

Maps from one string representation to another.

Specified by:

map in interface Mapper

Parameters:

parent - element's context (e.g., the parent node in a parse tree)

element - The string to be transformed.

Returns:

The transformed string

setup

public void setup(File path,
                  String... options)

Description copied from interface: Mapper

Perform initialization prior to the first call to map.

Specified by:

setup in interface Mapper

Parameters:

path - A filename for data on disk used during mapping

options - Variable length array of strings for options. Option format may vary for the particular class instance.