Apple-2-Tools
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dmolony-DiskBrowser
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tidying

This commit is contained in:
Denis Molony 2021-07-28 17:19:32 +10:00
parent 09b6f66855
commit 449e6c0e9a
1 changed files with 10 additions and 63 deletions
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73
src/com/bytezone/diskbrowser/utilities/HexFormatter.java
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@ -11,8 +11,8 @@ public class HexFormatter
private static String[] hex =
{ "0", "1", "2", "3", "4", "5", "6", "7", "8", "9", "A", "B", "C", "D", "E", "F" };
private static MathContext mathContext = new MathContext (9);
private static MathContext mathContext4 = new MathContext (7);
private static MathContext mathContext8 = new MathContext (12);
private static MathContext mathContext4 = new MathContext (6);
private static MathContext mathContext8 = new MathContext (15);
// ---------------------------------------------------------------------------------//
public static String format (byte[] buffer)
@ -169,12 +169,6 @@ public class HexFormatter
{
StringBuilder text = new StringBuilder ();
// if (buffer.length == 0)
// {
// System.out.println ("empty buffer");
// return text.toString ();
// }
for (int i = offset; i < offset + length; i++)
{
int c = buffer[i] & 0xFF;
@ -306,7 +300,8 @@ public class HexFormatter
{
if (value < 0)
return "***err**";
StringBuffer text = new StringBuffer ();
StringBuilder text = new StringBuilder ();
for (int i = 0, weight = 4096; i < 4; i++)
{
int digit = value / weight;
@ -316,6 +311,7 @@ public class HexFormatter
value %= weight;
weight /= 16;
}
return text.toString ();
}
@ -332,44 +328,15 @@ public class HexFormatter
{
if (value < 0)
value += 256;
String text = hex[value / 16] + hex[value % 16];
return text;
return hex[value / 16] + hex[value % 16];
}
// ---------------------------------------------------------------------------------//
public static String format1 (int value)
// ---------------------------------------------------------------------------------//
{
String text = hex[value];
return text;
}
// ---------------------------------------------------------------------------------//
public static double floatValueOld (byte[] buffer, int offset)
// ---------------------------------------------------------------------------------//
{
double val = 0;
int exponent = (buffer[offset] & 0xFF) - 0x80;
int mantissa =
(buffer[offset + 1] & 0x7F) * 0x1000000 + (buffer[offset + 2] & 0xFF) * 0x10000
+ (buffer[offset + 3] & 0xFF) * 0x100 + (buffer[offset + 4] & 0xFF);
int weight1 = 1;
long weight2 = 2147483648L;
double multiplier = 0;
for (int i = 0; i < 32; i++)
{
if ((mantissa & weight2) > 0)
multiplier += (1.0 / weight1);
weight2 /= 2;
weight1 *= 2;
}
val = Math.pow (2, exponent - 1) * (multiplier + 1);
return val;
return hex[value];
}
// ---------------------------------------------------------------------------------//
@ -385,7 +352,7 @@ public class HexFormatter
boolean negative = (buffer[ptr + 1] & 0x80) != 0;
double value = 0.5;
for (int i = 2, weight = 0x40000000; i <= 32; i++, weight >>>= 1)
for (int i = 2, weight = 0x40_00_00_00; i <= 32; i++, weight >>>= 1)
if ((mantissa & weight) > 0)
value += Math.pow (0.5, i);
@ -396,6 +363,7 @@ public class HexFormatter
return negative ? rounded * -1 : rounded;
}
// https://en.wikipedia.org/wiki/Microsoft_Binary_Format
// ---------------------------------------------------------------------------------//
public static double floatValueMS4 (byte[] buffer, int ptr)
// ---------------------------------------------------------------------------------//
@ -447,27 +415,6 @@ public class HexFormatter
return negative ? rounded * -1 : rounded;
}
// ---------------------------------------------------------------------------------//
// public static GregorianCalendar getAppleDate (byte[] buffer, int offset)
// // ---------------------------------------------------------------------------------//
// {
// int date = Utility.intValue (buffer[offset], buffer[offset + 1]);
// if (date > 0)
// {
// int year = (date & 0xFE00) >> 9;
// int month = (date & 0x01E0) >> 5;
// int day = date & 0x001F;
// int hour = buffer[offset + 3] & 0x1F;
// int minute = buffer[offset + 2] & 0x3F;
// if (year < 70)
// year += 2000;
// else
// year += 1900;
// return new GregorianCalendar (year, month - 1, day, hour, minute);
// }
// return null;
// }
// ---------------------------------------------------------------------------------//
public static GregorianCalendar getPascalDate (byte[] buffer, int offset)
// ---------------------------------------------------------------------------------//