622 lines
20 KiB
Java
622 lines
20 KiB
Java
/*
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* AppleCommander - An Apple ][ image utility.
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* Copyright (C) 2002-2022 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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package com.webcodepro.applecommander.storage.os.prodos;
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import java.text.NumberFormat;
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import java.text.SimpleDateFormat;
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import java.util.ArrayList;
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import java.util.Date;
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import java.util.List;
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import com.webcodepro.applecommander.storage.DiskFullException;
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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.storage.FormattedDisk;
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import com.webcodepro.applecommander.storage.StorageBundle;
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import com.webcodepro.applecommander.storage.filters.AppleWorksDataBaseFileFilter;
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import com.webcodepro.applecommander.storage.filters.AppleWorksSpreadSheetFileFilter;
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import com.webcodepro.applecommander.storage.filters.AppleWorksWordProcessorFileFilter;
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import com.webcodepro.applecommander.storage.filters.ApplesoftFileFilter;
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import com.webcodepro.applecommander.storage.filters.AssemblySourceFileFilter;
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import com.webcodepro.applecommander.storage.filters.BinaryFileFilter;
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import com.webcodepro.applecommander.storage.filters.BusinessBASICFileFilter;
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import com.webcodepro.applecommander.storage.filters.GraphicsFileFilter;
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import com.webcodepro.applecommander.storage.filters.IntegerBasicFileFilter;
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import com.webcodepro.applecommander.storage.filters.TextFileFilter;
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import com.webcodepro.applecommander.util.AppleUtil;
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import com.webcodepro.applecommander.util.TextBundle;
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/**
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* Represents a ProDOS file entry on disk.
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* <p>
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* Date created: Oct 5, 2002 6:01:15 PM
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* @author Rob Greene
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*/
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public class ProdosFileEntry extends ProdosCommonEntry implements FileEntry {
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private TextBundle textBundle = StorageBundle.getInstance();
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/**
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* Constructor for ProdosFileEntry.
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*/
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public ProdosFileEntry(ProdosFormatDisk disk, int block, int offset) {
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super(disk, block, offset);
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}
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/**
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* Return the name of this file.
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* This handles normal files, deleted files, and AppleWorks files - which use
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* the AUXTYPE attribute to indicate upper/lowercase in the filename.
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*/
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public String getFilename() {
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String fileName;
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if (isDeleted()) {
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fileName = AppleUtil.getString(readFileEntry(), 1, 15);
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StringBuffer buf = new StringBuffer();
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for (int i=0; i<fileName.length(); i++) {
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char ch = fileName.charAt(i);
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if (ch != 0) {
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buf.append(ch);
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} else {
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break;
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}
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}
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fileName = buf.toString();
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} else {
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fileName = AppleUtil.getProdosString(readFileEntry(), 0);
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}
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if (isAppleWorksFile()) {
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int auxtype = getAuxiliaryType();
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StringBuffer mixedCase = new StringBuffer(fileName);
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// the highest bit of the least significant byte is the first
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// character through the 2nd bit of the most significant byte
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// being the 15th character. Bit is on indicates lower-case or
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// a space if a "." is present.
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for (int i=0; i<16 && i<fileName.length(); i++) {
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boolean lowerCase;
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if (i < 8) {
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lowerCase = AppleUtil.isBitSet((byte)auxtype, 7-i);
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} else {
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lowerCase = AppleUtil.isBitSet((byte)(auxtype >> 8), 7-(i%8));
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}
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if (lowerCase) {
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char ch = mixedCase.charAt(i);
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if (ch == '.') {
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mixedCase.setCharAt(i, ' ');
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} else {
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mixedCase.setCharAt(i, Character.toLowerCase(ch));
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}
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}
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}
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fileName = mixedCase.toString();
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}
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return fileName;
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}
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/**
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* Return the maximum filename length.
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*/
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public int getMaximumFilenameLength() {
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return 15;
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}
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/**
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* Set the name of this file.
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*/
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public void setFilename(String filename) {
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byte[] fileEntry = readFileEntry();
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if (isDeleted()) {
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AppleUtil.setString(fileEntry, 1, filename.toUpperCase(), 15);
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} else {
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AppleUtil.setProdosString(fileEntry, 0, filename.toUpperCase(), 15);
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}
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if (isAppleWorksFile()) {
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byte lowByte = 0;
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byte highByte = 0;
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for (int i=0; i<filename.length(); i++) {
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if (Character.isLowerCase(filename.charAt(i))) {
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if (i < 8) {
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lowByte = AppleUtil.setBit(lowByte, 7-i);
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} else if (i < 16) {
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highByte = AppleUtil.setBit(highByte, 7-(i%8));
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}
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}
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}
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setAuxiliaryType(fileEntry, lowByte, highByte);
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}
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writeFileEntry(fileEntry);
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}
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/**
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* Copy GEOS-specific metadata to the directory entry verbatim:
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* Bytes $00-$10 ($11 bytes)
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* Bytes $18-$1d ($06 bytes)
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* Bytes $21-$24 ($04 bytes)
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*/
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public void setGEOSMeta(byte[] metaData) {
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byte[] fileEntry = readFileEntry();
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// GEOS metadata lives at $180 offset from the beginning of the first block.
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// Copy that to the file entry, skipping the bytes that are locally created
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// (i.e. pointers, etc.)
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System.arraycopy(metaData,0x180+0x00,fileEntry,0x00,0x11);
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System.arraycopy(metaData,0x180+0x18,fileEntry,0x18,0x06);
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System.arraycopy(metaData,0x180+0x21,fileEntry,0x21,0x04);
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writeFileEntry(fileEntry);
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}
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/**
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* Return the filetype of this file. This will be three characters,
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* according to ProDOS - a "$xx" if unknown.
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*/
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public String getFiletype() {
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int filetype = getFiletypeByte();
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return ProdosFormatDisk.getFiletype(filetype);
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}
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public int getFiletypeByte() {
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return AppleUtil.getUnsignedByte(readFileEntry()[0x10]);
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}
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/**
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* Set the filetype based on a string value.
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*/
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public void setFiletype(String filetype) {
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byte[] entry = readFileEntry();
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entry[0x10] = getDisk().getFiletype(filetype);
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writeFileEntry(entry);
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}
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/**
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* Set the filetype based on a long - thunk into a byte
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*/
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public void setFiletype(long fileType) {
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byte[] entry = readFileEntry();
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entry[0x10] = (byte)fileType;
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writeFileEntry(entry);
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}
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/**
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* Indicate if this is an AppleWorks file.
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* Intended to force upper/lowercase into the filename.
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*/
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public boolean isAppleWorksFile() {
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int filetype = AppleUtil.getUnsignedByte(readFileEntry()[0x10]);
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return (filetype == 0x19 || filetype == 0x1a || filetype == 0x1b);
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}
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/**
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* Indicate if this is a GEOS file.
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*/
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public boolean isGEOSFile() {
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int filetype = AppleUtil.getUnsignedByte(readFileEntry()[0x10]);
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return (filetype >= 0x80 && filetype <= 0x8f);
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}
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/**
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* Indicate if this is a GEOS file.
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*/
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public boolean isForkedFile() {
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int storageType = AppleUtil.getUnsignedByte(readFileEntry()[0x00]);
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return ((storageType & 0x50) == 0x50);
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}
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/**
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* Get the key pointer. This is either the data block (seedling),
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* index block (sapling), or master index block (tree).
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*/
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public int getKeyPointer() {
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return AppleUtil.getWordValue(readFileEntry(), 0x11);
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}
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/**
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* Set the key pointer. This is either the data block (seedling),
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* index block (sapling), or master index block (tree).
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*/
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public void setKeyPointer(int keyPointer) {
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byte[] entry = readFileEntry();
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AppleUtil.setWordValue(entry, 0x11, keyPointer);
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writeFileEntry(entry);
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}
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/**
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* Get the number of blocks used.
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*/
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public int getBlocksUsed() {
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return AppleUtil.getWordValue(readFileEntry(), 0x13);
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}
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/**
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* Set the number of blocks used.
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*/
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public void setBlocksUsed(int blocksUsed) {
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byte[] entry = readFileEntry();
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AppleUtil.setWordValue(entry, 0x13, blocksUsed);
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writeFileEntry(entry);
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}
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/**
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* Get the EOF position. This can indicate the length of a file.
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*/
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public int getEofPosition() {
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return AppleUtil.get3ByteValue(readFileEntry(), 0x15);
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}
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/**
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* Set the EOF position.
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*/
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public void setEofPosition(int eofPosition) {
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byte[] entry = readFileEntry();
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AppleUtil.set3ByteValue(entry, 0x15, eofPosition);
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writeFileEntry(entry);
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}
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/**
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* Get the auxiliary type for this file.
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* TXT - random access record length.
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* BIN - load address for binary image.
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* BAS - load address for program image.
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* VAR - address of compressed variables image.
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* SYS - load address for system program (usually 0x2000).
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* AWP/ADB/ASP - upper/lowercase flags
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*/
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public int getAuxiliaryType() {
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return AppleUtil.getWordValue(readFileEntry(), 0x1f);
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}
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/**
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* Set the auxiliary type for this file.
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*/
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public void setAuxiliaryType(int auxiliaryType) {
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byte[] entry = readFileEntry();
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setAuxiliaryType(entry, auxiliaryType);
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writeFileEntry(entry);
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}
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/**
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* Set the auxiliary type for this file.
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*/
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public void setAuxiliaryType(byte[] entry, byte low, byte high) {
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entry[0x1f] = low;
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entry[0x20] = high;
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}
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/**
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* Set the auxiliary type for this file.
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*/
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public void setAuxiliaryType(byte[] entry, int auxiliaryType) {
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setAuxiliaryType(entry, (byte)(auxiliaryType%256),
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(byte)(auxiliaryType/256));
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}
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/**
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* Get the last modification date.
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*/
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public Date getLastModificationDate() {
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return AppleUtil.getProdosDate(readFileEntry(), 0x21);
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}
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/**
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* Set the last modification date.
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*/
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public void setLastModificationDate(Date date) {
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byte[] entry = readFileEntry();
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AppleUtil.setProdosDate(entry, 0x21, date);
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writeFileEntry(entry);
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}
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/**
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* Get the block number of the key block for the directory which describes this file.
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*/
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public int getHeaderPointer() {
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return AppleUtil.getWordValue(readFileEntry(), 0x25);
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}
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/**
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* Set the block number of the block for the directory which describes this file.
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*/
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public void setHeaderPointer(int headerPointer) {
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byte[] entry = readFileEntry();
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AppleUtil.setWordValue(entry, 0x25, headerPointer);
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writeFileEntry(entry);
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}
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/**
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* Identify if this file is locked.
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*/
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public boolean isLocked() {
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return !canDestroy() && !canRename() && !canWrite();
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}
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/**
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* Set the lock indicator.
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*/
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public void setLocked(boolean lock) {
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setCanDestroy(!lock);
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setCanRename(!lock);
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setCanWrite(!lock);
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}
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/**
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* Compute the size of this file (in bytes).
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*/
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public int getSize() {
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return getEofPosition();
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}
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/**
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* Identify if this is a directory file.
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*/
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public boolean isDirectory() {
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return getStorageType() == 0x0d;
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}
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/**
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* Identify if this file has been deleted.
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*/
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public boolean isDeleted() {
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return getStorageType() == 0;
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}
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/**
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* Delete the file.
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*/
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public void delete() {
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getDisk().freeBlocks(this);
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//decrement file count in header block
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int headerBlock = getHeaderPointer();
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byte[] data = getDisk().readBlock(headerBlock);
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int fileCount = AppleUtil.getWordValue(data, 0x25);
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if (fileCount != 0) fileCount--;
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AppleUtil.setWordValue(data, 0x25, fileCount);
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getDisk().writeBlock(headerBlock, data);
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//clear storage type and name length
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data = readFileEntry();
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data[0] = 0;
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writeFileEntry(data);
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}
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/**
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* Get the standard file column header information.
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* This default implementation is intended only for standard mode.
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* displayMode is specified in FormattedDisk.
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*/
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public List<String> getFileColumnData(int displayMode) {
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NumberFormat numberFormat = NumberFormat.getNumberInstance();
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SimpleDateFormat dateFormat = new SimpleDateFormat(
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textBundle.get("DateFormat")); //$NON-NLS-1$
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SimpleDateFormat dateTimeFormat = new SimpleDateFormat(
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textBundle.get("DateTimeFormat"));
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List<String> list = new ArrayList<>();
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switch (displayMode) {
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case FormattedDisk.FILE_DISPLAY_NATIVE:
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list.add(isLocked() ? "*" : " "); //$NON-NLS-1$ //$NON-NLS-2$
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list.add(getFilename());
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list.add(getFiletype());
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numberFormat.setMinimumIntegerDigits(3);
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list.add(numberFormat.format(getBlocksUsed()));
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list.add(getLastModificationDate() == null ?
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textBundle.get("ProdosFileEntry.NullDate") : //$NON-NLS-1$
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dateFormat.format(getLastModificationDate()));
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list.add(getCreationDate() == null ?
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textBundle.get("ProdosFileEntry.NullDate") : //$NON-NLS-1$
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dateFormat.format(getCreationDate()));
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numberFormat.setMinimumIntegerDigits(1);
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list.add(numberFormat.format(getEofPosition()));
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if ("TXT".equals(getFiletype()) && getAuxiliaryType() > 0) { //$NON-NLS-1$
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numberFormat.setMinimumIntegerDigits(1);
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list.add("L=" + numberFormat.format(getAuxiliaryType()).trim()); //$NON-NLS-1$
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} else if (("BIN".equals(getFiletype()) || "BAS".equals(getFiletype()) //$NON-NLS-1$ //$NON-NLS-2$
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|| "VAR".equals(getFiletype()) || "SYS".equals(getFiletype())) //$NON-NLS-1$ //$NON-NLS-2$
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&& getAuxiliaryType() > 0) {
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list.add("A=$" + AppleUtil.getFormattedWord(getAuxiliaryType())); //$NON-NLS-1$
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} else {
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list.add(""); //$NON-NLS-1$
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}
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break;
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case FormattedDisk.FILE_DISPLAY_DETAIL:
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list.add(isLocked() ? "*" : " "); //$NON-NLS-1$ //$NON-NLS-2$
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list.add(getFilename());
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list.add(isDeleted() ? textBundle.get("Deleted") : ""); //$NON-NLS-1$//$NON-NLS-2$
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String permissions = ""; //$NON-NLS-1$
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if (canDestroy()) permissions+= textBundle.get("Destroy"); //$NON-NLS-1$
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if (canRead()) permissions+= textBundle.get("Read"); //$NON-NLS-1$
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if (canRename()) permissions+= textBundle.get("Rename"); //$NON-NLS-1$
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if (canWrite()) permissions+= textBundle.get("Write"); //$NON-NLS-1$
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list.add(permissions);
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list.add(getFiletype());
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list.add(isDirectory() ? textBundle.get("ProdosFileEntry.Directory") : ""); //$NON-NLS-1$//$NON-NLS-2$
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numberFormat.setMinimumIntegerDigits(3);
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list.add(numberFormat.format(getBlocksUsed()));
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list.add(getLastModificationDate() == null ?
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textBundle.get("ProdosFileEntry.NullDate") : //$NON-NLS-1$
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dateTimeFormat.format(getLastModificationDate()));
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list.add(getCreationDate() == null ? textBundle.get("ProdosFileEntry.NullDate") : //$NON-NLS-1$
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dateTimeFormat.format(getCreationDate()));
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numberFormat.setMinimumIntegerDigits(1);
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list.add(numberFormat.format(getEofPosition()));
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if ("TXT".equals(getFiletype()) && getAuxiliaryType() > 0) { //$NON-NLS-1$
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numberFormat.setMinimumIntegerDigits(1);
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list.add("L=" + numberFormat.format(getAuxiliaryType()).trim()); //$NON-NLS-1$
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} else if (("BIN".equals(getFiletype()) || "BAS".equals(getFiletype()) //$NON-NLS-1$ //$NON-NLS-2$
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|| "VAR".equals(getFiletype()) || "SYS".equals(getFiletype())) //$NON-NLS-1$ //$NON-NLS-2$
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&& getAuxiliaryType() > 0) {
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list.add("A=$" + AppleUtil.getFormattedWord(getAuxiliaryType())); //$NON-NLS-1$
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} else {
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list.add("$" + AppleUtil.getFormattedWord(getAuxiliaryType())); //$NON-NLS-1$
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}
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list.add(AppleUtil.getFormattedWord(getHeaderPointer()));
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list.add(AppleUtil.getFormattedWord(getKeyPointer()));
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list.add(isSaplingFile() ? textBundle.get("ProdosFileEntry.Sapling") : //$NON-NLS-1$
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isSeedlingFile() ? textBundle.get("ProdosFileEntry.Seedling") : //$NON-NLS-1$
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isTreeFile() ? textBundle.get("ProdosFileEntry.Tree") : //$NON-NLS-1$
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textBundle.format("ProdosFileEntry.UnknownFileType", getFileTypeString())); //$NON-NLS-1$
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list.add(hasChanged() ?
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textBundle.get("ProdosFileEntry.Changed") : ""); //$NON-NLS-1$//$NON-NLS-2$
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numberFormat.setMinimumIntegerDigits(1);
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list.add(numberFormat.format(getMinimumProdosVersion()));
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list.add(numberFormat.format(getProdosVersion()));
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break;
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default: // FILE_DISPLAY_STANDARD
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list.add(getFilename());
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list.add(getFiletype());
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list.add(numberFormat.format(getSize()));
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list.add(isLocked() ? textBundle.get("Locked") : ""); //$NON-NLS-1$//$NON-NLS-2$
|
|
break;
|
|
}
|
|
return list;
|
|
}
|
|
|
|
/**
|
|
* Return the ProDOS file type as a hex string.
|
|
*/
|
|
public String getFileTypeString() {
|
|
return "$" + AppleUtil.getFormattedByte(getStorageType()); //$NON-NLS-1$
|
|
}
|
|
|
|
/**
|
|
* Get file data. This handles any operating-system specific issues.
|
|
* Currently, the disk itself handles this.
|
|
*/
|
|
public byte[] getFileData() {
|
|
return getDisk().getFileData(this);
|
|
}
|
|
|
|
/**
|
|
* Set the file data. This is essentially the save operation.
|
|
* Specifically, if the filetype is binary, the length and
|
|
* address need to be set. If the filetype is applesoft or
|
|
* integer basic, the start address needs to be set.
|
|
*/
|
|
public void setFileData(byte[] data) throws DiskFullException {
|
|
getDisk().setFileData(this, data);
|
|
}
|
|
|
|
/**
|
|
* Set the file data, with the expectation that both data and resource forks
|
|
* are present (storage type $05). See:
|
|
* http://www.1000bit.it/support/manuali/apple/technotes/pdos/tn.pdos.25.html
|
|
*/
|
|
public void setFileData(byte[] dataFork, byte[] resourceFork) throws DiskFullException {
|
|
getDisk().setFileData(this, dataFork, resourceFork);
|
|
}
|
|
|
|
/**
|
|
* Get the suggested FileFilter. This appears to be operating system
|
|
* specific, so each operating system needs to implement some manner
|
|
* of guessing the appropriate filter.
|
|
*/
|
|
public FileFilter getSuggestedFilter() {
|
|
int filetype = getFiletypeByte();
|
|
int auxtype = getAuxiliaryType();
|
|
int filesize = getSize();
|
|
|
|
switch (filetype) {
|
|
case 0x04: // TXT
|
|
if (getFilename().endsWith(".S")) { //$NON-NLS-1$
|
|
return new AssemblySourceFileFilter();
|
|
}
|
|
return new TextFileFilter();
|
|
case 0x09: // BA3
|
|
return new BusinessBASICFileFilter();
|
|
case 0xb0: // SRC
|
|
return new TextFileFilter();
|
|
case 0x19: // ADB
|
|
return new AppleWorksDataBaseFileFilter();
|
|
case 0x1a: // AWP
|
|
return new AppleWorksWordProcessorFileFilter();
|
|
case 0x1b: // ASP
|
|
return new AppleWorksSpreadSheetFileFilter();
|
|
case 0xfc: // BAS
|
|
return new ApplesoftFileFilter();
|
|
case 0xfa: // INT
|
|
return new IntegerBasicFileFilter();
|
|
case 0xc0: // PNT
|
|
if (auxtype == 0x0001) {
|
|
GraphicsFileFilter filter = new GraphicsFileFilter();
|
|
filter.setMode(GraphicsFileFilter.MODE_SHR_16);
|
|
return filter;
|
|
}
|
|
break;
|
|
case 0xc1: // PIC
|
|
// AUX TYPE $0002 is sometimes mislabeled and should be $0000
|
|
// the OR attempts to identify these
|
|
if (auxtype == 0x0000 || (auxtype == 0x0002 && filesize == 32768) ) {
|
|
GraphicsFileFilter filter = new GraphicsFileFilter();
|
|
filter.setMode(GraphicsFileFilter.MODE_SHR_16);
|
|
return filter;
|
|
} else if (auxtype == 0x0002 && filesize == 38400) {
|
|
GraphicsFileFilter filter = new GraphicsFileFilter();
|
|
filter.setMode(GraphicsFileFilter.MODE_SHR_3200);
|
|
return filter;
|
|
}
|
|
// fall through to BinaryFileFilter...
|
|
break;
|
|
case 0x06: // BIN
|
|
// the minimum size is guessed a bit - I don't remember, but maybe there
|
|
// are 8 spare bytes at the end of the graphics screen
|
|
if (filesize >= 8184 && filesize <= 8192) {
|
|
GraphicsFileFilter filter = new GraphicsFileFilter();
|
|
filter.setMode(GraphicsFileFilter.MODE_HGR_COLOR);
|
|
return filter;
|
|
} else if (filesize >= 16376 && filesize <= 16384) {
|
|
GraphicsFileFilter filter = new GraphicsFileFilter();
|
|
filter.setMode(GraphicsFileFilter.MODE_DHR_COLOR);
|
|
return filter;
|
|
}
|
|
// fall through to BinaryFileFilter...
|
|
break;
|
|
case 0xca: // ICN
|
|
{ // This is a trick to fix the scope on the filter variable...
|
|
GraphicsFileFilter filter = new GraphicsFileFilter();
|
|
filter.setMode(GraphicsFileFilter.MODE_QUICKDRAW2_ICON);
|
|
return filter;
|
|
}
|
|
}
|
|
return new BinaryFileFilter();
|
|
}
|
|
|
|
/**
|
|
* Indicates if this filetype requires an address component.
|
|
* Note that the FormattedDisk also has this method - normally,
|
|
* this will defer to the method on FormattedDisk, as it will be
|
|
* more generic.
|
|
*/
|
|
public boolean needsAddress() {
|
|
return getDisk().needsAddress(getFiletype());
|
|
}
|
|
|
|
/**
|
|
* Set the address that this file loads at.
|
|
*/
|
|
public void setAddress(int address) {
|
|
byte[] fileEntry = readFileEntry();
|
|
setAuxiliaryType(fileEntry, address);
|
|
writeFileEntry(fileEntry);
|
|
}
|
|
|
|
/**
|
|
* Indicates that this filetype can be compiled.
|
|
*/
|
|
public boolean canCompile() {
|
|
return getDisk().canCompile(getFiletype());
|
|
}
|
|
}
|