Apple-2-Tools/AppleCommander
1
0
Fork 0
mirror of https://github.com/AppleCommander/AppleCommander.git synced 2025-01-03 10:29:19 +00:00
Code Issues Projects Releases Wiki Activity

Added setPascalDate, setPascalString, getNiceFilename.

Browse Source
This commit is contained in:
Robert Greene 2002-12-10 05:10:35 +00:00
parent cb53bedbc7
commit 24ebe07191
1 changed files with 53 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

54
src/com/webcodepro/applecommander/storage/AppleUtil.java
View File

@ -150,7 +150,19 @@ public class AppleUtil {
}
/**
* Extract a Pascal date from the buffer.
* Set a Pascal string into the buffer.
*/
public static void setPascalString(byte[] buffer, int offset, String string, int maxLength) {
int len = Math.min(string.length(), maxLength);
buffer[offset] = (byte) (len & 0xff);
setString(buffer, offset+1, string, len);
}
/**
* Extract a Pascal date from the buffer.<br>
* Bits 0-3: month (1-12)<br>
* Bits 4-8: day (1-31)<br>
* Bits 9-15: year (0-99)
*/
public static Date getPascalDate(byte[] buffer, int offset) {
int pascalDate = getWordValue(buffer, offset);
@ -162,6 +174,24 @@ public class AppleUtil {
GregorianCalendar gc = new GregorianCalendar(year, month, day);
return gc.getTime();
}
/**
* Set a Pascal data to the buffer.<br>
* Bits 0-3: month (1-12)<br>
* Bits 4-8: day (1-31)<br>
* Bits 9-15: year (0-99)
*/
public static void setPascalDate(byte[] buffer, int offset, Date date) {
GregorianCalendar gc = new GregorianCalendar();
gc.setTime(date);
int month = gc.get(GregorianCalendar.MONTH);
int day = gc.get(GregorianCalendar.DAY_OF_MONTH);
int year = gc.get(GregorianCalendar.YEAR) % 100;
int pascalDate = (month & 0x000f)
| ((day << 4) & 0x00f0)
| ((year << 8) & 0xff00);
setWordValue(buffer, offset, pascalDate);
}
/**
* Extract a ProDOS string from the buffer.
@ -210,4 +240,26 @@ public class AppleUtil {
GregorianCalendar gc = new GregorianCalendar(year, month, day, hour, minute);
return gc.getTime();
}
/**
* Make a "nice" filename. Some of the Apple ][ file names
* have characters that are unpalatable - such as "/" or
* "\" or ":" which are directory separators along with other
* characters that are not allowed by various operating systems.
* This method just sanitizes the filename.
*/
public static String getNiceFilename(String filename) {
StringBuffer buf = new StringBuffer();
for (int i=0; i<filename.length(); i++) {
char ch = filename.charAt(i);
if (ch == '\\' || ch == '/' || ch == '?' || ch == '*'
|| ch == ':' || ch == '"' || ch == '<' || ch == '>'
|| ch == '|') {
// bad characters - skip them
} else {
buf.append(ch);
}
}
return buf.toString();
}
}