edu.stanford.nlp.trees.international.pennchinese
Class FragDiscardingPennTreeReader

java.lang.Object
  edu.stanford.nlp.trees.PennTreeReader
      edu.stanford.nlp.trees.international.pennchinese.FragDiscardingPennTreeReader

All Implemented Interfaces:

TreeReader, java.io.Closeable

public class FragDiscardingPennTreeReader
extends PennTreeReader

Author:

Galen Andrew

Constructor Summary

FragDiscardingPennTreeReader(java.io.Reader in, TreeFactory tf, TreeNormalizer tn, Tokenizer<java.lang.String> tk)

Method Summary

Tree	readTree() Reads a single tree in standard Penn Treebank format from the input stream.

Methods inherited from class edu.stanford.nlp.trees.PennTreeReader

close, main

Methods inherited from class java.lang.Object

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

Constructor Detail

FragDiscardingPennTreeReader

public FragDiscardingPennTreeReader(java.io.Reader in,
                                    TreeFactory tf,
                                    TreeNormalizer tn,
                                    Tokenizer<java.lang.String> tk)

Method Detail

readTree

public Tree readTree()
              throws java.io.IOException

Description copied from class: PennTreeReader

Reads a single tree in standard Penn Treebank format from the input stream. The method supports additional parentheses around the tree (an unnamed ROOT node) so long as they are balanced. If the token stream ends before the current tree is complete, then the method will throw an IOException.

Note that the method will skip malformed trees and attempt to read additional trees from the input stream. It is possible, however, that a malformed tree will corrupt the token stream. In this case, an IOException will eventually be thrown.

Specified by:

readTree in interface TreeReader

Overrides:

readTree in class PennTreeReader

Returns:

A single tree, or null at end of token stream.

Throws:

java.io.IOException - If I/O problem