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/* XLogo4Schools - A Logo Interpreter specialized for use in schools, based on XLogo by Lo�c Le Coq
* Copyright (C) 2013 Marko Zivkovic
*
* Contact Information: marko88zivkovic at gmail dot com
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the Free
* Software Foundation; either version 2 of the License, or (at your option)
* any later version. This program 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 for more details. You should have received a copy of the
* GNU General Public License along with this program; if not, write to the Free
* Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
* MA 02110-1301, USA.
*
*
* This Java source code belongs to XLogo4Schools, written by Marko Zivkovic
* during his Bachelor thesis at the computer science department of ETH Z�rich,
* in the year 2013 and/or during future work.
*
* It is a reengineered version of XLogo written by Lo�c Le Coq, published
* under the GPL License at http://xlogo.tuxfamily.org/
*
* Contents of this file were initially written by Lo�c Le Coq,
* modifications, extensions, refactorings might have been applied by Marko Zivkovic
*/
package xlogo.kernel;
import java.io.BufferedReader;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.IOException;
public class MyFlowReader extends MyFlow
{
BufferedReader bfr;
boolean isReader()
{
return true;
}
MyFlowReader(MyFlow flow)
{
super(flow);
}
String readLine() throws FileNotFoundException, IOException
{
if (null == bfr)
bfr = new BufferedReader(new FileReader(getPath()));
String line = bfr.readLine();
return line;
}
int readChar() throws FileNotFoundException, IOException
{
if (null == bfr)
bfr = new BufferedReader(new FileReader(getPath()));
int character = bfr.read();
return character;
}
int isReadable() throws FileNotFoundException, IOException
{
if (null == bfr)
bfr = new BufferedReader(new FileReader(getPath()));
bfr.mark(2);
int id = bfr.read();
bfr.reset();
return id;
}
void close() throws IOException
{
if (null != bfr)
bfr.close();
}
}
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