85 lines
2.3 KiB
Java
85 lines
2.3 KiB
Java
/*
|
|
* Copyright 1997 Sun Microsystems, Inc. All Rights Reserved.
|
|
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
|
|
*
|
|
* This code is free software; you can redistribute it and/or modify it
|
|
* under the terms of the GNU General Public License version 2 only, as
|
|
* published by the Free Software Foundation.
|
|
*
|
|
* This code is distributed in the hope that it will be useful, but WITHOUT
|
|
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
|
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
|
|
* version 2 for more details (a copy is included in the LICENSE file that
|
|
* accompanied this code).
|
|
*
|
|
* You should have received a copy of the GNU General Public License version
|
|
* 2 along with this work; if not, write to the Free Software Foundation,
|
|
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
|
|
*
|
|
* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
|
|
* CA 95054 USA or visit www.sun.com if you need additional information or
|
|
* have any questions.
|
|
*/
|
|
|
|
/**/
|
|
|
|
|
|
public class LineGenerator {
|
|
|
|
IntGenerator ig;
|
|
StringGenerator sg;
|
|
int limit;
|
|
|
|
public LineGenerator(IntGenerator ig, StringGenerator sg, int limit) {
|
|
this.ig = ig;
|
|
this.sg = sg;
|
|
this.limit = limit;
|
|
}
|
|
|
|
public LineGenerator(IntGenerator ig) {
|
|
this.ig = ig;
|
|
this.sg = new StringGenerator(ig);
|
|
this.limit = -1;
|
|
}
|
|
|
|
private char prevTerminator = 0;
|
|
private int count = 0;
|
|
public String lineTerminator;
|
|
|
|
public String next() {
|
|
if ((count >= limit) && (limit >= 0))
|
|
return null;
|
|
|
|
String l = sg.next();
|
|
|
|
/* Avoid "\r\n" sequences
|
|
in which the '\n' terminates a blank line */
|
|
int len = l.length();
|
|
int t;
|
|
do
|
|
t = ig.next(2);
|
|
while ((prevTerminator == '\r') && (len == 0) && (t == 0));
|
|
|
|
String ts;
|
|
switch (t) {
|
|
case 0:
|
|
ts = "\n";
|
|
prevTerminator = '\n';
|
|
break;
|
|
case 1:
|
|
ts = "\r";
|
|
prevTerminator = '\r';
|
|
break;
|
|
case 2:
|
|
default:
|
|
ts = "\r\n";
|
|
prevTerminator = '\n';
|
|
break;
|
|
}
|
|
|
|
count++;
|
|
lineTerminator = ts;
|
|
return l;
|
|
}
|
|
}
|