Version 1.1.1 is the initial GPL release of AppleCommander.

This commit is contained in:
Robert Greene 2002-12-01 02:21:00 +00:00
commit ebf72c103e
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<?xml version="1.0" encoding="UTF-8"?>
<classpath>
<classpathentry kind="src" path="src"/>
<classpathentry kind="var" path="JRE_LIB" rootpath="JRE_SRCROOT" sourcepath="JRE_SRC"/>
<classpathentry kind="src" path="/JUnit"/>
<classpathentry kind="lib" path="C:/Program Files/Eclipse 2.0/plugins/org.eclipse.swt.win32_2.0.2/ws/win32/swt.jar"/>
<classpathentry kind="output" path="bin"/>
</classpath>

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bin
AppleCommander.preferences

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<?xml version="1.0" encoding="UTF-8"?>
<projectDescription>
<name>AppleCommander</name>
<comment></comment>
<projects>
<project>JUnit</project>
</projects>
<buildSpec>
<buildCommand>
<name>org.eclipse.jdt.core.javabuilder</name>
<arguments>
</arguments>
</buildCommand>
</buildSpec>
<natures>
<nature>org.eclipse.jdt.core.javanature</nature>
</natures>
</projectDescription>

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Attach the following code to the header of all source files.
/*
* AppleCommander - An Apple ][ image utility.
* Copyright (C) 2002 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
*/

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The GNU General Public License (GPL)
Version 2, June 1991
Copyright (C) 1989, 1991 Free Software Foundation, Inc.
59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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Manifest-Version: 1.0
Class-Path: swt.jar
Main-Class: com.webcodepro.applecommander.ui.AppleCommander

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/*
* AppleCommander - An Apple ][ image utility.
* Copyright (C) 2002 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;
import java.util.Date;
import java.util.GregorianCalendar;
/**
* This class contains helper methods for dealing with Apple2 data.
* <p>
* Date created: Oct 5, 2002 4:16:16 PM
* @author: Rob Greene
*/
public class AppleUtil {
/**
* Compute the value of a word.
* Pulls value from buffer given the offset.
* A word is two bytes, in standard Apple LO/HI format.
*/
public static int getWordValue(byte[] buffer, int offset) {
return getWordValue(buffer[offset], buffer[offset+1]);
}
/**
* Compute the value of a word.
*/
public static int getWordValue(byte low, byte high) {
return getUnsignedByte(low) + getUnsignedByte(high)*256;
}
/**
* Compute the value of a 3 byte value. This may be ProDOS specific.
* Pulls value from buffer given the offset.
* Stored in standard Apple LO/HI format.
*/
public static int get3ByteValue(byte[] buffer, int offset) {
return getUnsignedByte(buffer[offset])
+ getUnsignedByte(buffer[offset+1])*256
+ getUnsignedByte(buffer[offset+2])*65536;
}
/**
* Extract out an unsigned byte as an int.
* All Java bytes are signed; need to convert to an int
* and remove the sign.
*/
public static int getUnsignedByte(byte value) {
return (int) value & 0xff;
}
/**
* Count the number of bits set in a byte.
*/
public static int getBitCount(byte byt) {
int count = 0;
for (int ix=0; ix<8; ix++) {
if (isBitSet(byt, ix)) count++;
}
return count;
}
/**
* Determine if a specific bit is set.
*/
public static boolean isBitSet(byte byt, int bit) {
byte[] masks = { (byte)0x01, (byte)0x02,(byte)0x04, (byte)0x08,
(byte)0x10, (byte)0x20, (byte)0x40, (byte)0x80 };
return (byt & masks[bit]) != 0;
}
/**
* Extract a string from the buffer.
*/
public static String getString(byte[] buffer, int offset, int length) {
byte[] value = new byte[length];
for (int i=0; i<length; i++) {
byte ch = buffer[offset+i];
ch &= 0x7f;
value[i] = ch;
}
return new String(value);
}
/**
* Extract a Pascal string from the buffer.
*/
public static String getPascalString(byte[] buffer, int offset) {
int length = getUnsignedByte(buffer[offset]);
return getString(buffer, offset+1, length);
}
/**
* Extract a Pascal date from the buffer.
*/
public static Date getPascalDate(byte[] buffer, int offset) {
int pascalDate = getWordValue(buffer, offset);
int month = pascalDate & 0x000f;
int day = (pascalDate & 0x00f0) >> 4;
int year = (pascalDate & 0xff00) >> 8;
if (year < 50) year+= 2000;
if (year < 100) year+= 1900;
GregorianCalendar gc = new GregorianCalendar(year, month, day);
return gc.getTime();
}
/**
* Extract a ProDOS string from the buffer.
*/
public static String getProdosString(byte[] buffer, int offset) {
int length = getUnsignedByte(buffer[offset]) & 0x0f;
return getString(buffer, offset+1, length);
}
/**
* Format a byte value as hexidecimal.
*/
public static String getFormattedByte(int byt) {
String[] values = { "0", "1", "2", "3", "4", "5", "6", "7",
"8", "9", "A", "B", "C", "D", "E", "F" };
int byt1 = byt & 0x0f;
int byt2 = (byt & 0xf0) >> 4;
return values[byt2] + values[byt1];
}
/**
* Format a word value as hexidecimal.
*/
public static String getFormattedWord(int word) {
return getFormattedByte((word & 0xff00) >> 8)
+ getFormattedByte(word & 0x00ff);
}
/**
* Extract a ProDOS date from the buffer.
*/
public static Date getProdosDate(byte[] buffer, int offset) {
int ymd = getWordValue(buffer, offset);
if (ymd == 0) return null;
int hm = getWordValue(buffer, offset+2);
int day = ymd & 0x001f; // bits 0-4
int month = (ymd & 0x01e0) >> 5; // bits 5-8
int year = (ymd & 0xfe00) >> 9; // bits 9-15
int minute = hm & 0x003f; // bits 0-5
int hour = (hm & 0x1f00) >> 8; // bits 8-12
if (year < 50) year+= 2000;
if (year < 100) year+= 1900;
GregorianCalendar gc = new GregorianCalendar(year, month, day, hour, minute);
return gc.getTime();
}
}

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/*
* AppleCommander - An Apple ][ image utility.
* Copyright (C) 2002 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;
import java.io.ByteArrayOutputStream;
import java.io.PrintWriter;
import java.text.SimpleDateFormat;
import java.util.Date;
/**
* Extract the contents of an AWP (AppleWorks word processor) document and
* convert to a text format.
* See format documentation at:
* http://www.gno.org/pub/apple2/doc/apple/filetypes/ftn.1a.xxxx
* <p>
* Date created: Nov 15, 2002 3:55:21 PM
* @author: Rob Greene
*/
public class AppleWorksWordProcessorFileFilter implements FileFilter {
public static final int RENDER_AS_TEXT = 0;
public static final int RENDER_AS_HTML = 1;
private int rendering = RENDER_AS_TEXT;
/**
* Constructor for AppleWorksWordProcessorFileFilter.
*/
public AppleWorksWordProcessorFileFilter() {
super();
}
/**
* Process the given FileEntry and return a byte array with filtered data.
* @see com.webcodepro.applecommander.storage.FileFilter#filter(FileEntry)
*/
public byte[] filter(FileEntry fileEntry) {
byte[] fileData = fileEntry.getFileData();
if (fileData[4] != 0x4f) return null; // not an AWP file!
ByteArrayOutputStream byteArray = new ByteArrayOutputStream(fileData.length);
PrintWriter printWriter = new PrintWriter(byteArray, true);
if (isHtmlRendering()) {
printWriter.println("<html><style>BODY { font-family: monospace; }</style><body>");
}
boolean version3 = (fileData[183] != 0);
int offset = 300 + (version3 ? 2 : 0); // version 3.0's first line record is invalid
while (offset < fileData.length) {
int byte0 = AppleUtil.getUnsignedByte(fileData[offset++]);
int byte1 = AppleUtil.getUnsignedByte(fileData[offset++]);
if (byte0 == 0xff && byte1 == 0xff) { // end of file
break;
} else if (byte1 == 0xd0) { // Carriage return line records
handleReturn(printWriter);
} else if (byte1 > 0xd0) { // Command line records
if (isHtmlRendering()) {
offset = handleCommandRecordAsHtml(byte0, byte1, printWriter, offset);
}
} else { // Text records (assumed)
offset = handleTextRecord(fileData, printWriter, offset);
}
}
if (isHtmlRendering()) {
printWriter.println("</body></html>");
}
return byteArray.toByteArray();
}
/**
* Deal with an individual text record.
*/
protected int handleTextRecord(byte[] fileData, PrintWriter printWriter, int offset) {
int byte2 = AppleUtil.getUnsignedByte(fileData[offset++]);
int byte3 = AppleUtil.getUnsignedByte(fileData[offset++]);
boolean addReturn = (byte3 >= 0x80);
int length = (byte3 & 0x7f);
while (length > 0) {
byte ch = fileData[offset++];
length--;
if (ch < 0x20) { // special formatting character
if (isHtmlRendering()) handleSpecialCodesAsHtml(printWriter, ch);
} else {
if (isHtmlRendering() && ch == ' ') {
int extraSpaces = 0;
while (fileData[offset+extraSpaces] == ' ') {
extraSpaces++;
}
if (extraSpaces > 0) {
printWriter.print("&nbsp;");
while (fileData[offset] == ' ') {
offset++;
length--;
printWriter.print("&nbsp;");
}
} else {
printWriter.print((char)ch);
}
} else {
printWriter.print((char)ch);
}
}
}
if (addReturn) handleReturn(printWriter);
return offset;
}
/**
* Deal with carriage-return.
*/
protected void handleReturn(PrintWriter printWriter) {
if (isHtmlRendering()) printWriter.println("<br>");
else printWriter.println();
}
/**
* Process special coding of a text record.
*/
protected void handleSpecialCodesAsHtml(PrintWriter printWriter, byte ch) {
switch (ch) {
case 0x01: printWriter.print("<b>");
break;
case 0x02: printWriter.print("</b>");
break;
case 0x03: printWriter.print("<sup>");
break;
case 0x04: printWriter.print("</sup>");
break;
case 0x05: printWriter.print("<sub>");
break;
case 0x06: printWriter.print("</sub>");
break;
case 0x07: printWriter.print("<u>");
break;
case 0x08: printWriter.print("</u>");
break;
case 0x09: printWriter.print("[Page#]");
break;
case 0x0b: printWriter.print("&nbsp;");
break;
case 0x0e: SimpleDateFormat dateFormat = new SimpleDateFormat("MM/dd/yy");
printWriter.print(dateFormat.format(new Date()));
break;
case 0x0f: SimpleDateFormat timeFormat = new SimpleDateFormat("HH:mm:ss");
printWriter.print(timeFormat.format(new Date()));
break;
}
}
/**
* Deal with an individual command line record.
*/
protected int handleCommandRecordAsHtml(int byte0, int byte1,
PrintWriter printWriter, int offset) {
switch (byte1) {
case 0xd7: printWriter.println("<style>BODY: text-align: right;</style>");
break;
case 0xdf: printWriter.println("<style>BODY: text-align: justify;</style>");
break;
case 0xe0: printWriter.println("<style>BODY: text-align: left;</style>");
break;
case 0xe1: printWriter.println("<style>BODY: text-align: center;</style>");
break;
case 0xee: for (int i=0; i<byte0; i++) {
printWriter.println("<br>");
}
break;
}
return offset;
}
/**
* Give suggested file name.
* @see com.webcodepro.applecommander.storage.FileFilter#getSuggestedFileName(FileEntry)
*/
public String getSuggestedFileName(FileEntry fileEntry) {
String fileName = fileEntry.getFilename().trim();
String extension = ".txt";
if (isHtmlRendering()) extension = ".html";
if (!fileName.toLowerCase().endsWith(extension)) {
fileName = fileName + extension;
}
return fileName;
}
/**
* Set the rendering method.
*/
public void setRendering(int rendering) {
this.rendering = rendering;
}
/**
* Indicates if this is a text rendering.
*/
public boolean isTextRendering() {
return rendering == RENDER_AS_TEXT;
}
/**
* Indicates if this is an HTML rendering.
*/
public boolean isHtmlRendering() {
return rendering == RENDER_AS_HTML;
}
}

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/*
* AppleCommander - An Apple ][ image utility.
* Copyright (C) 2002 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;
import java.io.ByteArrayOutputStream;
import java.io.PrintWriter;
/**
* Filter the given file as an Applesoft file.
* <p>
* Applesoft memory format:<br>
* [Line]<br>
* ...
* [Line]<br>
* <br>
* where <Line> is:<br>
* [Next addr - $0000 is end of program] (word)<br>
* [Line no] (word)<br>
* [Tokens and/or characters]<br>
* [End-of-line marker: $00 bytes]
* <p>
* Date created: Nov 2, 2002 10:04:10 PM
* @author: Rob Greene
*/
public class ApplesoftFileFilter implements FileFilter {
private static String tokens[] = { // starts at $80
" END ", " FOR ", " NEXT ", " DATA ", " INPUT ", " DEL ",
" DIM ", " READ ", " GR ", " TEXT ", " PR# ", " IN# ",
" CALL ", " PLOT ", " HLIN ", " VLIN ", " HGR2 ", " HGR ",
" HCOLOR= ", " HPLOT ", " DRAW ", " XDRAW ", " HTAB ", " HOME ",
" ROT= ", " SCALE= ", " SHLOAD ", " TRACE ", " NOTRACE ", " NORMAL ",
" INVERSE ", " FLASH ", " COLOR= ", " POP ", " VTAB ", " HIMEM: ",
" LOMEM: ", " ONERR ", " RESUME ", " RECALL ", " STORE ", " SPEED= ",
" LET ", " GOTO ", " RUN ", " IF ", " RESTORE ", " & ",
" GOSUB ", " RETURN ", " REM ", " STOP ", " ON ", " WAIT ",
" LOAD ", " SAVE ", " DEF ", " POKE ", " PRINT ", " CONT ",
" LIST ", " CLEAR ", " GET ", " NEW ", " TAB( ", " TO ",
" FN ", " SPC( ", " THEN ", " AT ", " NOT ", " STEP ",
" +", " -", " *", "/", " ^", " AND ",
" OR ", " >", " =", " <", " SGN", " INT",
" ABS", " USR", " FRE", " SCRN( ", " PDL", " POS",
" SQR", " RND", " LOG", " EXP", " COS", " SIN",
" TAN", " ATN", " PEEK", " LEN", " STR$", " VAL",
" ASC", " CHR$", " LEFT$", " RIGHT$", " MID$ " };
/**
* 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) {
byte[] fileData = fileEntry.getFileData();
int offset = 0;
ByteArrayOutputStream byteArray = new ByteArrayOutputStream(fileData.length * 2);
PrintWriter printWriter = new PrintWriter(byteArray, true);
while (offset < fileData.length) {
int nextAddress = AppleUtil.getWordValue(fileData, offset);
if (nextAddress == 0) break; // next address of 0 indicates end of program
offset+= 2;
int lineNumber = AppleUtil.getWordValue(fileData, offset);
offset+= 2;
printWriter.print(lineNumber);
printWriter.print(' ');
while (fileData[offset] != 0) {
byte byt = fileData[offset++];
if ((byt & 0x80) != 0) {
int token = AppleUtil.getUnsignedByte(byt) - 0x80;
if (token >= tokens.length) {
printWriter.print("<UNKNOWN TOKEN>");
} else {
String tokenString = tokens[token];
printWriter.print(tokenString);
}
} else {
char ch = (char)byt;
if (ch < 0x20) {
printWriter.print("<CTRL-");
printWriter.print((char)('@' + ch));
printWriter.print(">");
} else {
printWriter.print(ch);
}
}
}
printWriter.println();
offset++; // skip to next line
}
return byteArray.toByteArray();
}
/**
* Give suggested file name.
*/
public String getSuggestedFileName(FileEntry fileEntry) {
String fileName = fileEntry.getFilename().trim();
if (!fileName.toLowerCase().endsWith(".bas")) {
fileName = fileName + ".bas";
}
return fileName;
}
}

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/*
* AppleCommander - An Apple ][ image utility.
* Copyright (C) 2002 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;
/**
* Filter the given file data to be the appropriate length.
* <p>
* Date created: Nov 2, 2002 9:07:52 PM
* @author: Rob Greene
*/
public class BinaryFileFilter implements FileFilter {
/**
* Constructor for BinaryFileFilter.
*/
public BinaryFileFilter() {
super();
}
/**
* Process the given FileEntry and return a byte array with filtered data.
* @see com.webcodepro.applecommander.storage.FileFilter#filter(byte[])
*/
public byte[] filter(FileEntry fileEntry) {
return fileEntry.getFileData(); // should be nothing to do
}
/**
* Give suggested file name.
*/
public String getSuggestedFileName(FileEntry fileEntry) {
String fileName = fileEntry.getFilename().trim();
if (!fileName.toLowerCase().endsWith(".dump")) {
fileName = fileName + ".dump";
}
return fileName;
}
}

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/*
* AppleCommander - An Apple ][ image utility.
* Copyright (C) 2002 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;
import java.io.ByteArrayOutputStream;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.util.zip.GZIPInputStream;
/**
* Abstract representation of an Apple2 disk (floppy, 800k, hard disk).
* <p>
* Date created: Oct 3, 2002 10:59:47 PM
* @author: Rob Greene
*/
public class Disk {
/**
* Specifies a filter to be used in determining filetypes which are supported.
* This works from a file extension, so it may or may not apply to the Macintosh.
*/
public class FilenameFilter {
private String names;
private String extensions;
public FilenameFilter(String names, String extensions) {
this.names = names;
this.extensions = extensions;
}
public String getExtensions() {
return extensions;
}
public String getNames() {
return names;
}
}
public static final int BLOCK_SIZE = 512;
public static final int SECTOR_SIZE = 256;
public static final int APPLE_140KB_DISK = 143360;
public static final int APPLE_800KB_DISK = 819200;
public static final int APPLE_800KB_2IMG_DISK = APPLE_800KB_DISK + 0x40;
private static FilenameFilter[] filenameFilters;
private byte[] diskImage;
private String filename;
/**
* Get the supported file filters supported by the Disk interface.
* This is due to the fact that FilenameFilter is an innerclass of Disk -
* without an instance of the class, the filters cannot be created.
*/
public static FilenameFilter[] getFilenameFilters() {
if (filenameFilters == null) {
new Disk();
}
return filenameFilters;
}
/**
* Constructor for a Disk - used only to generate FilenameFilter objects.
*/
private Disk() {
filenameFilters = new FilenameFilter[] {
new FilenameFilter("All Emulator Images",
"*.do; *.dsk; *.po; *.2mg; *.2img; *.hdv; *.do.gz; *.dsk.gz; *.po.gz; *.2mg.gz; *.2img.gz"),
new FilenameFilter("140K DOS 3.3 Ordered Images (*.do, *.dsk)",
"*.do; *.dsk; *.do.gz; *.dsk.gz"),
new FilenameFilter("140K ProDOS Ordered Images (*.po)",
"*.po; *.po.gz"),
new FilenameFilter("800K ProDOS Ordered Images (*.2mg, *.2img)",
"*.2mg; *.2img; *.2mg.gz, *.2img.gz"),
new FilenameFilter("ApplePC Hard Disk Images (*.hdv)",
"*.hdv"),
new FilenameFilter("All Compressed Images",
"*.do.gz; *.dsk.gz; *.po.gz; *.2mg.gz; *.2img.gz"),
new FilenameFilter("All Files",
"*.*")
};
}
/**
* Construct a Disk with the given byte array.
*/
protected Disk(String filename, byte[] diskImage) {
this.diskImage = diskImage;
this.filename = filename;
}
/**
* Construct a Disk and load the specified file.
* Read in the entire contents of the file.
*/
public Disk(String filename) throws IOException {
this.filename = filename;
InputStream input = new FileInputStream(filename);
if (isCompressed()) {
input = new GZIPInputStream(input);
}
int diskSize = APPLE_140KB_DISK;
if (is2ImgOrder()) {
diskSize = APPLE_800KB_2IMG_DISK;
}
ByteArrayOutputStream diskImageByteArray =
new ByteArrayOutputStream(diskSize);
byte[] data = new byte[1024];
int bytes;
while ((bytes = input.read(data)) > 0) {
diskImageByteArray.write(data, 0, bytes);
}
input.close();
this.diskImage = diskImageByteArray.toByteArray();
}
/**
* Determine type of disk, and return the appropriate
* FormattedDisk object. Returns null if none are
* recognized.
*/
public FormattedDisk getFormattedDisk() {
if (isProdosFormat()) {
return new ProdosFormatDisk(filename, diskImage);
} else if (isDosFormat()) {
return new DosFormatDisk(filename, diskImage);
} else if (isPascalFormat()) {
return new PascalFormatDisk(filename, diskImage);
} else if (isRdosFormat()) {
return new RdosFormatDisk(filename, diskImage);
}
return null;
}
/**
* Returns the diskImage.
* @return byte[]
*/
public byte[] getDiskImage() {
return diskImage;
}
/**
* Extract a portion of the disk image.
*/
public byte[] readBytes(int start, int length) {
byte[] buffer = new byte[length];
System.arraycopy(diskImage, start + (is2ImgOrder() ? 0x40 : 0), buffer, 0, length);
return buffer;
}
/**
* Returns the filename.
* @return String
*/
public String getFilename() {
return filename;
}
/**
* Indicate if this disk is GZIP compressed.
*/
public boolean isCompressed() {
return filename.toLowerCase().endsWith(".gz");
}
/**
* Indicate if this disk is ProDOS ordered (beginning with block 0).
*/
public boolean isProdosOrder() {
return filename.toLowerCase().endsWith(".po")
|| filename.toLowerCase().endsWith(".po.gz")
|| is2ImgOrder()
|| filename.toLowerCase().endsWith(".hdv");
}
/**
* Indicate if this disk is DOS ordered (T0,S0 - T35,S15).
*/
public boolean isDosOrder() {
return filename.toLowerCase().endsWith(".do")
|| filename.toLowerCase().endsWith(".do.gz")
|| filename.toLowerCase().endsWith(".dsk")
|| filename.toLowerCase().endsWith(".dsk.gz");
}
/**
* Indicate if this disk is a 2IMG disk.
* This is ProDOS ordered, but with a header on the disk.
*/
public boolean is2ImgOrder() {
return filename.toLowerCase().endsWith(".2img")
|| filename.toLowerCase().endsWith(".2img.gz")
|| filename.toLowerCase().endsWith(".2mg")
|| filename.toLowerCase().endsWith(".2mg.gz");
}
/**
* Identify the size of this disk.
*/
public int getPhysicalSize() {
return diskImage.length;
}
/**
* Get the block from the disk image.
*/
public byte[] readBlock(int block) {
if (block * BLOCK_SIZE > getPhysicalSize()) {
return null;
} else {
if (isProdosOrder()) {
return readBytes(block*BLOCK_SIZE, BLOCK_SIZE);
} else if (isDosOrder()) {
int[] sectorMapping1 = { 0, 13, 11, 9, 7, 5, 3, 1 };
int[] sectorMapping2 = { 14, 12, 10, 8, 6, 4, 2, 15 };
int track = block / 8;
int sectorOffset = block % 8;
int sector1 = sectorMapping1[sectorOffset];
int sector2 = sectorMapping2[sectorOffset];
int physicalLocation1 = (track * 16 + sector1) * SECTOR_SIZE;
int physicalLocation2 = (track * 16 + sector2) * SECTOR_SIZE;
byte[] data = new byte[BLOCK_SIZE];
System.arraycopy(readBytes(physicalLocation1, SECTOR_SIZE),
0, data, 0, SECTOR_SIZE);
System.arraycopy(readBytes(physicalLocation2, SECTOR_SIZE),
0, data, SECTOR_SIZE, SECTOR_SIZE);
return data;
} else {
return null;
}
}
}
/**
* Retrieve the specified sector.
*/
public byte[] readSector(int track, int sector) {
if ((track * 16 + sector) * SECTOR_SIZE > getPhysicalSize()) {
return null;
} else if (isProdosOrder()) {
// what block a sector belongs to:
int[] blockInterleave = { 0, 7, 6, 6, 5, 5, 4, 4, 3, 3, 2, 2, 1, 1, 0, 7 };
// where in that block a sector resides:
int[] blockOffsets = { 0, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 1 };
return readBytes(
((track * 8) + blockInterleave[sector]) * BLOCK_SIZE
+ blockOffsets[sector] * SECTOR_SIZE, SECTOR_SIZE);
} else if (isDosOrder()) {
return readBytes((track * 16 + sector) * SECTOR_SIZE, SECTOR_SIZE);
}
return null;
}
/**
* Test the disk format to see if this is a ProDOS formatted
* disk.
*/
public boolean isProdosFormat() {
byte[] prodosVolumeDirectory = readBlock(2);
return prodosVolumeDirectory[0] == 0 &&
prodosVolumeDirectory[1] == 0 &&
(prodosVolumeDirectory[4]&0xf0) == 0xf0;
}
/**
* Test the disk format to see if this is a DOS 3.3 formatted
* disk.
*/
public boolean isDosFormat() {
byte[] vtoc = readSector(17, 0);
return vtoc[0x01] == 17 // expect catalog to start on track 17
&& vtoc[0x02] == 15 // expect catalog to start on sector 15
&& vtoc[0x03] == 3 // expect DOS release number of 3
&& vtoc[0x27] == 122 // expect 122 tract/sector pairs per sector
&& vtoc[0x34] == 35 // expect 35 tracks per disk (140KB disk only!)
&& vtoc[0x35] == 16 // expect 16 sectors per disk (140KB disk only!)
&& vtoc[0x36] == 0 // bytes per sector (low byte)
&& vtoc[0x37] == 1; // bytes per sector (high byte)
}
/**
* Test the disk format to see if this is a Pascal formatted
* disk.
*/
public boolean isPascalFormat() {
byte[] directory = readBlock(2);
return directory[0] == 0 && directory[1] == 0
&& directory[2] == 6 && directory[3] == 0
&& directory[4] == 0 && directory[5] == 0;
}
/**
* Test the disk format to see if this is a RDOS formatted
* disk.
*/
public boolean isRdosFormat() {
byte[] block = readSector(0, 0x0d);
String id = AppleUtil.getString(block, 0xe0, 4);
return "RDOS".equals(id);
}
}

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/*
* AppleCommander - An Apple ][ image utility.
* Copyright (C) 2002 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;
import java.io.ByteArrayOutputStream;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.util.zip.GZIPInputStream;
/**
* Helper class to load Apple2 disk images.
* This class identifies the format, and the type of disk, loading the
* appropriate disk management class.
* <p>
* Date created: Oct 3, 2002 10:54:34 PM
* @author: Rob Greene
* @deprecated
*/
public class DiskHelper {
public static final int APPLE_140KB_DISK = 143360;
public static final int APPLE_800KB_DISK = 819200;
public static final int APPLE_800KB_2IMG_DISK = APPLE_800KB_DISK + 0x40;
/**
* Load an Apple2 disk from a given filename.
* Determine type of disk, load approparitely, and
* construct the appropriate Disk object.
*/
public static FormattedDisk load(String filename) throws IOException {
if (filename == null) return null;
byte[] diskImage = loadDisk(filename);
Disk test = new Disk(filename, diskImage);
if (test.isProdosFormat()) {
return new ProdosFormatDisk(filename, diskImage);
} else if (test.isDosFormat()) {
return new DosFormatDisk(filename, diskImage);
} else if (test.isPascalFormat()) {
return new PascalFormatDisk(filename, diskImage);
} else if (test.isRdosFormat()) {
return new RdosFormatDisk(filename, diskImage);
}
// FIXME: Should return unknown disk Disk
return null;
}
/**
* Read in a disk in the same order as the image.
* Disk itself will handle location translation.
*/
private static byte[] loadDisk(String filename) throws IOException {
InputStream input = new FileInputStream(filename);
if (filename.toLowerCase().endsWith(".gz")) {
input = new GZIPInputStream(input);
}
int diskSize = APPLE_140KB_DISK;
if (filename.toLowerCase().endsWith(".2img") || filename.toLowerCase().endsWith(".2mg")) {
diskSize = APPLE_800KB_2IMG_DISK;
}
ByteArrayOutputStream diskImage =
new ByteArrayOutputStream(diskSize);
byte[] data = new byte[1024];
int bytes;
while ((bytes = input.read(data)) > 0) {
diskImage.write(data, 0, bytes);
}
input.close();
return diskImage.toByteArray();
}
}

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/*
* AppleCommander - An Apple ][ image utility.
* Copyright (C) 2002 by Robert Greene
* robgreene at users.sourceforge.net