stringscanner.java

来自「数据仓库展示程序」· Java 代码 · 共 38 行

/*
// $Id: //open/mondrian/src/main/mondrian/olap/StringScanner.java#4 $
// This software is subject to the terms of the Common Public License
// Agreement, available at the following URL:
// http://www.opensource.org/licenses/cpl.html.
// (C) Copyright 1998-2005 Kana Software, Inc. and others.
// All Rights Reserved.
// You must accept the terms of that agreement to use this software.
//
// jhyde, 20 January, 1999
*/

package mondrian.olap;


/**
 * Lexical analyzer whose input is a string.
 */
public class StringScanner extends Scanner {
    private final String s;
    private int i;

    public StringScanner(String s, boolean debug) {
        super(debug);
        this.s = s;
        i = 0;
    }

    // Override Scanner.getChar().
    protected int getChar() {
        return (i >= s.length())
            ? -1
            : s.charAt(i++);
    }
}

// End StringScanner.java