charbuffer.java

编译器中的词法分析

package cmm.collections;

/**
 * 字符流类
 * @author Huang Xuanxing
 *
 */
public class CharBuffer implements ICharBuffer {
	private CharQueue queue;
	
	public CharBuffer(String str) {
		queue = new CharQueue(str);
	}
	
	public char LA(int i) {
		return queue.charAt(i);
	}
	
	public char nextChar() {
		return queue.poll();
	}
}