2002-12-01 02:21:00 +00:00
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/*
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* AppleCommander - An Apple ][ image utility.
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* Copyright (C) 2002 by Robert Greene
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* robgreene at users.sourceforge.net
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2 of the License, or (at your
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* option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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2004-06-09 03:58:00 +00:00
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package com.webcodepro.applecommander.storage.filters;
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2003-05-26 21:10:50 +00:00
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2002-12-01 02:21:00 +00:00
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import java.io.ByteArrayOutputStream;
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import java.io.PrintWriter;
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2004-06-09 03:58:00 +00:00
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import com.webcodepro.applecommander.storage.FileEntry;
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import com.webcodepro.applecommander.storage.FileFilter;
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import com.webcodepro.applecommander.util.ApplesoftToken;
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import com.webcodepro.applecommander.util.ApplesoftTokenizer;
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2002-12-01 02:21:00 +00:00
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/**
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* Filter the given file as an Applesoft file.
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* <p>
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* Date created: Nov 2, 2002 10:04:10 PM
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2004-06-18 05:15:33 +00:00
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* @author Rob Greene
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2002-12-01 02:21:00 +00:00
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*/
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public class ApplesoftFileFilter implements FileFilter {
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/**
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* Constructor for ApplesoftFileFilter.
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*/
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public ApplesoftFileFilter() {
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super();
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}
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/**
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* Process the given FileEntry and return a text image of the Applesoft file.
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* @see com.webcodepro.applecommander.storage.FileFilter#filter(FileEntry)
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*/
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public byte[] filter(FileEntry fileEntry) {
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2003-05-28 03:43:35 +00:00
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ByteArrayOutputStream byteArray = new ByteArrayOutputStream();
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2002-12-01 02:21:00 +00:00
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PrintWriter printWriter = new PrintWriter(byteArray, true);
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2003-05-28 03:43:35 +00:00
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ApplesoftTokenizer tokenizer = new ApplesoftTokenizer(fileEntry);
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boolean firstLine = true;
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while (tokenizer.hasMoreTokens()) {
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ApplesoftToken token = tokenizer.getNextToken();
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if (token == null) {
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break;
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} else if (token.isLineNumber()) {
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if (firstLine) {
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firstLine = false;
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2002-12-01 02:21:00 +00:00
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} else {
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2003-05-28 03:43:35 +00:00
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printWriter.println();
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2002-12-01 02:21:00 +00:00
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}
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2003-05-28 03:43:35 +00:00
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printWriter.print(token.getLineNumber());
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printWriter.print(" ");
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} else if (token.isToken()) {
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printWriter.print(token.getTokenString());
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} else {
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printWriter.print(token.getStringValue());
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2002-12-01 02:21:00 +00:00
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}
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}
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2003-05-28 03:43:35 +00:00
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printWriter.close();
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2002-12-01 02:21:00 +00:00
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return byteArray.toByteArray();
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}
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/**
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* Give suggested file name.
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*/
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public String getSuggestedFileName(FileEntry fileEntry) {
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String fileName = fileEntry.getFilename().trim();
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if (!fileName.toLowerCase().endsWith(".bas")) {
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fileName = fileName + ".bas";
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}
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return fileName;
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}
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}
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