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/*
* Copyright (c) 1997, Oracle and/or its affiliates. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.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;
}
}
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