86 lines
2.7 KiB
Java
86 lines
2.7 KiB
Java
/*
|
|
* AppleCommander - An Apple ][ image utility.
|
|
* Copyright (C) 2002-2022 by Robert Greene
|
|
* robgreene at users.sourceforge.net
|
|
*
|
|
* 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.,
|
|
* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
|
*/
|
|
package com.webcodepro.applecommander.storage.filters;
|
|
|
|
import java.io.ByteArrayOutputStream;
|
|
import java.io.PrintWriter;
|
|
|
|
import com.webcodepro.applecommander.storage.FileEntry;
|
|
import com.webcodepro.applecommander.storage.FileFilter;
|
|
import com.webcodepro.applecommander.util.ApplesoftToken;
|
|
import com.webcodepro.applecommander.util.ApplesoftTokenizer;
|
|
|
|
/**
|
|
* Filter the given file as an Applesoft file.
|
|
* <p>
|
|
* Date created: Nov 2, 2002 10:04:10 PM
|
|
* @author Rob Greene
|
|
*/
|
|
public class ApplesoftFileFilter implements FileFilter {
|
|
/**
|
|
* Constructor for ApplesoftFileFilter.
|
|
*/
|
|
public ApplesoftFileFilter() {
|
|
super();
|
|
}
|
|
|
|
/**
|
|
* Process the given FileEntry and return a text image of the Applesoft file.
|
|
* @see com.webcodepro.applecommander.storage.FileFilter#filter(FileEntry)
|
|
*/
|
|
public byte[] filter(FileEntry fileEntry) {
|
|
ByteArrayOutputStream byteArray = new ByteArrayOutputStream();
|
|
PrintWriter printWriter = new PrintWriter(byteArray, true);
|
|
ApplesoftTokenizer tokenizer = new ApplesoftTokenizer(fileEntry);
|
|
boolean firstLine = true;
|
|
while (tokenizer.hasMoreTokens()) {
|
|
ApplesoftToken token = tokenizer.getNextToken();
|
|
if (token == null) {
|
|
break;
|
|
} else if (token.isLineNumber()) {
|
|
if (firstLine) {
|
|
firstLine = false;
|
|
} else {
|
|
printWriter.println();
|
|
}
|
|
printWriter.print(token.getLineNumber());
|
|
printWriter.print(" "); //$NON-NLS-1$
|
|
} else if (token.isToken()) {
|
|
printWriter.print(token.getTokenString());
|
|
} else {
|
|
printWriter.print(token.getStringValue());
|
|
}
|
|
}
|
|
printWriter.close();
|
|
return byteArray.toByteArray();
|
|
}
|
|
|
|
/**
|
|
* Give suggested file name.
|
|
*/
|
|
public String getSuggestedFileName(FileEntry fileEntry) {
|
|
String fileName = fileEntry.getFilename().trim();
|
|
if (!fileName.toLowerCase().endsWith(".bas")) { //$NON-NLS-1$
|
|
fileName = fileName + ".bas"; //$NON-NLS-1$
|
|
}
|
|
return fileName;
|
|
}
|
|
}
|