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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package com.webcodepro.applecommander.storage;
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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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/**
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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 List files;
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private ProdosSubdirectoryHeader subdirectoryHeader;
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/**
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* Constructor for ProdosFileEntry.
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*/
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2002-12-12 01:49:16 +00:00
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public ProdosFileEntry(ProdosFormatDisk disk, int block, int offset) {
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super(disk, block, offset);
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2002-12-01 02:21:00 +00:00
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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/lower-case 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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2002-12-12 01:49:16 +00:00
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fileName = AppleUtil.getString(readFileEntry(), 1, 15);
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2002-12-01 02:21:00 +00:00
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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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2002-12-12 01:49:16 +00:00
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fileName = AppleUtil.getProdosString(readFileEntry(), 0);
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2002-12-01 02:21:00 +00:00
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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 lowercase 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 filetype of this file. This will be three characters,
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* according to ProDOS - a "$xx" if unknown.
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* <p>
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* This could be improved should specific information regarding file types
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* be needed; the file type could become a separate object which works with
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* the file in some manner.
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* <p>
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* Note: Source of information is the following url -
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* http://www.apple2.org.za/gswv/gsezine/GS.WorldView/ProDOS.File.Types.v2.0.txt
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*/
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public String getFiletype() {
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2002-12-12 01:49:16 +00:00
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int filetype = AppleUtil.getUnsignedByte(readFileEntry()[0x10]);
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2002-12-01 02:21:00 +00:00
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switch (filetype) {
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case 0x00: return "UNK";
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case 0x01: return "BAD";
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case 0x02: return "PCD";
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case 0x03: return "PTX";
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case 0x04: return "TXT";
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case 0x05: return "PDA";
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case 0x06: return "BIN";
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case 0x07: return "FNT";
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case 0x08: return "FOT";
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case 0x09: return "BA3";
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case 0x0a: return "DA3";
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case 0x0b: return "WPF";
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case 0x0c: return "SOS";
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case 0x0f: return "DIR";
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case 0x10: return "RPD";
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case 0x11: return "RPI";
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case 0x12: return "AFD";
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case 0x13: return "AFM";
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case 0x14: return "AFR";
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case 0x15: return "SCL";
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case 0x16: return "PFS";
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case 0x19: return "ADB"; // AppleWorks: AUX TYPE indicates UPPER/lower case
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case 0x1a: return "AWP"; // AppleWorks: AUX TYPE indicates UPPER/lower case
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case 0x1b: return "ASP"; // AppleWorks: AUX TYPE indicates UPPER/lower case
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case 0x20: return "TDM";
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case 0x21: return "IPS";
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case 0x22: return "UPV";
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case 0x29: return "3SD";
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case 0x2a: return "8SC";
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case 0x2b: return "8OB";
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case 0x2c: return "8IC";
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case 0x2d: return "8LD";
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case 0x2e: return "P8C"; // P8C or PTP, depending on AUX TYPE
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case 0x41: return "OCR";
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case 0x42: return "FTD";
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case 0x50: return "GWP";
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case 0x51: return "GSS";
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case 0x52: return "GDB";
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case 0x53: return "DRW";
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case 0x54: return "GDP";
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case 0x55: return "HMD";
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case 0x56: return "EDU";
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case 0x57: return "STN";
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case 0x58: return "HLP";
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case 0x59: return "COM";
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case 0x5a: return "CFG"; // CFG or PTP, depending on AUX TYPE
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case 0x5b: return "ANM";
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case 0x5c: return "MUM";
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case 0x5d: return "ENT";
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case 0x5e: return "DVU";
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case 0x60: return "PRE";
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case 0x6b: return "BIO";
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case 0x6d: return "DVR"; // DVR/TDR
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case 0x6e: return "PRE";
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case 0x6f: return "HDV"; // PC Volume
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case 0xa0: return "WP_";
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case 0xab: return "GSB";
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case 0xac: return "TDF";
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case 0xad: return "BDF";
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case 0xb0: return "SRC";
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case 0xb1: return "OBJ";
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case 0xb2: return "LIB";
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case 0xb3: return "S16";
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case 0xb4: return "RTL";
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case 0xb5: return "EXE";
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case 0xb6: return "STR"; // STR/PIF
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case 0xb7: return "TSF"; // TSF/TIF
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case 0xb8: return "NDA";
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case 0xb9: return "CDA";
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case 0xba: return "TOL";
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case 0xbb: return "DRV"; // DRV/DVR
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case 0xbc: return "LDF";
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case 0xbd: return "FST";
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case 0xbf: return "DOC";
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case 0xc0: return "PNT";
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case 0xc1: return "PIC";
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case 0xc2: return "ANI";
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case 0xc3: return "PAL";
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case 0xc5: return "OOG";
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case 0xc6: return "SCR";
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case 0xc7: return "CDV";
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case 0xc8: return "FON";
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case 0xc9: return "FND";
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case 0xca: return "ICN";
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case 0xd5: return "MUS";
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case 0xd6: return "INS";
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case 0xd7: return "MDI";
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case 0xd8: return "SND";
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case 0xdb: return "DBM";
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case 0xe0: return "SHK";
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case 0xe2: return "DTS"; // DTS/ATK
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case 0xee: return "R16";
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case 0xef: return "PAS";
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case 0xf0: return "CMD";
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// Left $F1 - $F8 alone as these are user-defined types
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case 0xf9: return "P16";
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case 0xfa: return "INT";
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case 0xfb: return "IVR";
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case 0xfc: return "BAS";
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case 0xfd: return "VAR";
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case 0xfe: return "REL";
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case 0xff: return "SYS";
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default :
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return "$" + AppleUtil.getFormattedByte(filetype);
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}
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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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2002-12-12 01:49:16 +00:00
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int filetype = AppleUtil.getUnsignedByte(readFileEntry()[0x10]);
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2002-12-01 02:21:00 +00:00
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return (filetype == 0x19 || filetype == 0x1a || filetype == 0x1b);
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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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2002-12-12 01:49:16 +00:00
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return AppleUtil.getWordValue(readFileEntry(), 0x11);
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2002-12-01 02:21:00 +00:00
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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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2002-12-12 01:49:16 +00:00
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return AppleUtil.getWordValue(readFileEntry(), 0x13);
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2002-12-01 02:21:00 +00:00
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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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2002-12-12 01:49:16 +00:00
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return AppleUtil.get3ByteValue(readFileEntry(), 0x15);
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2002-12-01 02:21:00 +00:00
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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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*/
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public int getAuxiliaryType() {
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2002-12-12 01:49:16 +00:00
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return AppleUtil.getWordValue(readFileEntry(), 0x1f);
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2002-12-01 02:21:00 +00:00
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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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2002-12-12 01:49:16 +00:00
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return AppleUtil.getProdosDate(readFileEntry(), 0x21);
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2002-12-01 02:21:00 +00:00
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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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2002-12-12 01:49:16 +00:00
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return AppleUtil.getWordValue(readFileEntry(), 0x25);
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2002-12-01 02:21:00 +00:00
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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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* 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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* Retrieve the list of files in this directory.
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* Note that if this is not a directory, the return
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* value should be null. If this a directory, the
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* return value should always be a list - a directory
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* with 0 entries returns an empty list.
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*/
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public List getFiles() {
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return files;
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}
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/**
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* Set the list of files.
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*/
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public void setFiles(List files) {
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this.files = files;
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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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* Set the subdirectory header.
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*/
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public void setSubdirectoryHeader(ProdosSubdirectoryHeader subdirectoryHeader) {
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this.subdirectoryHeader = subdirectoryHeader;
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}
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/**
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* Get the subdirectory header.
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*/
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public ProdosSubdirectoryHeader getSubdirectoryHeader() {
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return this.subdirectoryHeader;
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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 getFileColumnData(int displayMode) {
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NumberFormat numberFormat = NumberFormat.getNumberInstance();
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SimpleDateFormat dateFormat = new SimpleDateFormat("MM/dd/yyyy");
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List 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() ? "*" : " ");
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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 ? "<NO DATE> " :
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dateFormat.format(getLastModificationDate()));
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list.add(getCreationDate() == null ? "<NO DATE> " :
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dateFormat.format(getCreationDate()));
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numberFormat.setMinimumIntegerDigits(1);
|
|
|
|
list.add(numberFormat.format(getEofPosition()));
|
|
|
|
if ("TXT".equals(getFiletype()) && getAuxiliaryType() > 0) {
|
|
|
|
numberFormat.setMinimumIntegerDigits(1);
|
|
|
|
list.add("L=" + numberFormat.format(getAuxiliaryType()).trim());
|
|
|
|
} else if (("BIN".equals(getFiletype()) || "BAS".equals(getFiletype())
|
|
|
|
|| "VAR".equals(getFiletype()) || "SYS".equals(getFiletype()))
|
|
|
|
&& getAuxiliaryType() > 0) {
|
|
|
|
list.add("A=$" + AppleUtil.getFormattedWord(getAuxiliaryType()));
|
|
|
|
} else {
|
|
|
|
list.add("");
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
case FormattedDisk.FILE_DISPLAY_DETAIL:
|
|
|
|
list.add(isLocked() ? "*" : " ");
|
|
|
|
list.add(getFilename());
|
|
|
|
list.add(isDeleted() ? "Deleted" : "");
|
|
|
|
String permissions = "";
|
|
|
|
if (canDestroy()) permissions+= "Destroy ";
|
|
|
|
if (canRead()) permissions+= "Read ";
|
|
|
|
if (canRename()) permissions+= "Rename ";
|
|
|
|
if (canWrite()) permissions+= "Write ";
|
|
|
|
list.add(permissions);
|
|
|
|
list.add(getFiletype());
|
|
|
|
list.add(isDirectory() ? "Directory" : "");
|
|
|
|
numberFormat.setMinimumIntegerDigits(3);
|
|
|
|
list.add(numberFormat.format(getBlocksUsed()));
|
|
|
|
list.add(getLastModificationDate() == null ? "<NO DATE> " :
|
|
|
|
dateFormat.format(getLastModificationDate()));
|
|
|
|
list.add(getCreationDate() == null ? "<NO DATE> " :
|
|
|
|
dateFormat.format(getCreationDate()));
|
|
|
|
numberFormat.setMinimumIntegerDigits(1);
|
|
|
|
list.add(numberFormat.format(getEofPosition()));
|
|
|
|
if ("TXT".equals(getFiletype()) && getAuxiliaryType() > 0) {
|
|
|
|
numberFormat.setMinimumIntegerDigits(1);
|
|
|
|
list.add("L=" + numberFormat.format(getAuxiliaryType()).trim());
|
|
|
|
} else if (("BIN".equals(getFiletype()) || "BAS".equals(getFiletype())
|
|
|
|
|| "VAR".equals(getFiletype()) || "SYS".equals(getFiletype()))
|
|
|
|
&& getAuxiliaryType() > 0) {
|
|
|
|
list.add("A=$" + AppleUtil.getFormattedWord(getAuxiliaryType()));
|
|
|
|
} else {
|
|
|
|
list.add("");
|
|
|
|
}
|
|
|
|
list.add(AppleUtil.getFormattedWord(getHeaderPointer()));
|
|
|
|
list.add(AppleUtil.getFormattedWord(getKeyPointer()));
|
|
|
|
list.add(isSaplingFile() ? "Sapling" : isSeedlingFile() ? "Seedling" :
|
|
|
|
isTreeFile() ? "Tree" : "Unknown");
|
|
|
|
list.add(hasChanged() ? "Changed" : "");
|
|
|
|
numberFormat.setMinimumIntegerDigits(1);
|
|
|
|
list.add(numberFormat.format(getMinimumProdosVersion()));
|
|
|
|
list.add(numberFormat.format(getProdosVersion()));
|
|
|
|
break;
|
|
|
|
default: // FILE_DISPLAY_STANDARD
|
|
|
|
list.add(getFilename());
|
|
|
|
list.add(getFiletype());
|
|
|
|
list.add(numberFormat.format(getSize()));
|
|
|
|
list.add(isLocked() ? "Locked" : "");
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
return list;
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Get file data. This handles any operating-system specific issues.
|
|
|
|
* Currently, the disk itself handles this.
|
|
|
|
*/
|
|
|
|
public byte[] getFileData() {
|
2002-12-12 01:49:16 +00:00
|
|
|
return getDisk().getFileData(this);
|
2002-12-01 02:21:00 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* 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() {
|
|
|
|
if ("TXT".equals(getFiletype()) || "SRC".equals(getFiletype())) {
|
|
|
|
return new TextFileFilter();
|
|
|
|
} else if ("AWP".equals(getFiletype())) {
|
|
|
|
return new AppleWorksWordProcessorFileFilter();
|
|
|
|
} else if ("BAS".equals(getFiletype())) {
|
|
|
|
return new ApplesoftFileFilter();
|
|
|
|
} else if ("INT".equals(getFiletype())) { // supposedly not available in ProDOS, however
|
|
|
|
return new IntegerBasicFileFilter();
|
|
|
|
} else if ("BIN".equals(getFiletype())) {
|
|
|
|
int size = getSize();
|
|
|
|
// 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
|
|
|
|
GraphicsFileFilter filter = new GraphicsFileFilter();
|
|
|
|
if (size >= 8185 && size <= 8192) {
|
|
|
|
filter.setMode(GraphicsFileFilter.MODE_HGR_COLOR);
|
|
|
|
return filter;
|
|
|
|
} else if (size >= 16377 && size <= 16384) {
|
|
|
|
filter.setMode(GraphicsFileFilter.MODE_DHR_COLOR);
|
|
|
|
return filter;
|
|
|
|
}
|
|
|
|
// fall through to BinaryFileFilter...
|
|
|
|
}
|
|
|
|
return new BinaryFileFilter();
|
|
|
|
}
|
|
|
|
}
|