edu.berkeley.nlp.util.EfficientBufferedReader Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of berkeleyparser Show documentation

The Berkeley parser analyzes the grammatical structure of natural language using probabilistic context-free grammars (PCFGs).

The newest version!

/*
 * @(#)BufferedReader.java	1.33 04/01/12
 *
 * Copyright 2004 Sun Microsystems, Inc. All rights reserved.
 * SUN PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
 */

package edu.berkeley.nlp.util;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.Reader;


/**
 * 
 * @author adpauls
 */

public class EfficientBufferedReader extends BufferedReader
{


    
    public EfficientBufferedReader(Reader in)
	{
		super(in);
		// TODO Auto-generated constructor stub
	}

	/**
	 * Returns true if end of file reached. Otherwise reads a line in to the
	 * provided StringBuffer
	 * 
	 * @param sb
	 * @return
	 * @throws IOException
	 */
    public boolean readLineToBuffer(StringBuilder sb) throws IOException
    
    {
    	sb.delete(0,sb.length());
    	
    	while (true)
    	{
    		int c = read();
			if (c == -1) return true;
			else if (c == '\n') break;
			if (c != '\r') sb.append((char) c);
    	}
    	return false;
    }

}