public override void DumpDir(String fileSpec, TextWriter output)
{
if ((fileSpec == null) || (fileSpec.Length == 0))
{
fileSpec = "*.*";
}
Regex RE = Regex(fileSpec);
Int32 bct = 0;
Int32 fct = 0;
Int32 zct = 0;
Int32 s = 1; // current directory segment number
while (s != 0)
{
Block B = mDir[s];
Int32 eb = B.GetUInt16L(6);
Int32 bp = B.GetUInt16L(8);
Int32 sp = 10;
UInt16 w;
E esw;
while (((esw = (E)B.GetUInt16L(sp)) & E.EOS) == 0)
{
Char s1 = ((esw & E.PROT) == 0) ? '-' : 'P';
Char s2 = ((esw & E.READ) == 0) ? '-' : 'R';
Char s3 = ((esw & E.PERM) == 0) ? '-' : 'F';
Char s4 = ((esw & E.TENT) == 0) ? '-' : 'T';
Char s5 = ((esw & E.MPTY) == 0) ? '-' : 'E';
String fn1 = "---";
Radix50.TryConvert(B.GetUInt16L(sp + 2), ref fn1);
String fn2 = "---";
Radix50.TryConvert(B.GetUInt16L(sp + 4), ref fn2);
String ext = "---";
Radix50.TryConvert(B.GetUInt16L(sp + 6), ref ext);
Int32 len = B.GetUInt16L(sp + 8);
Int32 chj = B.GetUInt16L(sp + 10);
String cdt = " ";
w = B.GetUInt16L(sp + 12);
if (w != 0)
{
Int32 y = ((w & 0xc000) >> 9) + (w & 0x001f) + 1972;
Int32 m = (w & 0x3c00) >> 10;
Int32 d = (w & 0x03e0) >> 5;
cdt = ((m >= 1) && (m <= 12) && (d >= 1) && (d <= 31)) ? String.Format("{0:D2}-{1}-{2:D4}", d, MONTHS[m], y) : " -BAD- ";
}
String fn = String.Concat(fn1, fn2, ".", ext);
if (!RE.IsMatch(fn))
{
fn = null;
}
if ((esw & E.PERM) != 0)
{
if (fn != null)
{
fct++;
bct += len;
}
}
else
{
zct += len;
}
if (fn != null)
{
Console.Out.WriteLine("{0} {1,5:D0} @ {2,-5:D0} {3}{4}{5}{6}{7} {8}", fn, len, bp, s1, s2, s3, s4, s5, cdt);
}
bp += len;
sp += 14 + eb;
}
s = B.GetUInt16L(2);
}
Int32 ns = mDir[1].GetUInt16L(0); // number of directory segments
output.WriteLine(" {0:D0} Files, {1:D0} Blocks, {2:D0} Free blocks", fct, bct, zct);
output.WriteLine(" {0:D0} Total blocks ({1:D0} Reserved, {2:D0} Directory)", mDirStart + ns * 2 + bct + zct, mDirStart, ns * 2);
}
private FileEntry FindFile(String fileSpec)
{
if ((fileSpec == null) || (fileSpec.Length == 0))
{
return(null);
}
Int32 p = fileSpec.IndexOf('@');
if (p != -1)
{
Int32 start, count;
if (!Int32.TryParse(fileSpec.Substring(p + 1).Trim(), out start) || !Int32.TryParse(fileSpec.Substring(0, p).Trim(), out count))
{
return(null);
}
return(new FileEntry(fileSpec, start, count, DateTime.Now));
}
p = fileSpec.IndexOf('-');
if (p != -1)
{
Int32 first, last;
if (!Int32.TryParse(fileSpec.Substring(p + 1).Trim(), out last) || !Int32.TryParse(fileSpec.Substring(0, p).Trim(), out first))
{
return(null);
}
return(new FileEntry(fileSpec, first, last - first + 1, DateTime.Now));
}
Regex RE = Regex(fileSpec);
Int32 s = 1;
while (s != 0)
{
Block seg = mDir[s];
Int32 eb = seg.GetUInt16L(6);
Int32 bp = seg.GetUInt16L(8);
Int32 sp = 10;
E esw;
UInt16 w;
while (((esw = (E)seg.GetUInt16L(sp)) & E.EOS) == 0)
{
Int32 len = seg.GetUInt16L(sp + 8);
if ((esw & E.PERM) != 0)
{
String fn1 = "---";
Radix50.TryConvert(seg.GetUInt16L(sp + 2), ref fn1);
String fn2 = "---";
Radix50.TryConvert(seg.GetUInt16L(sp + 4), ref fn2);
String ext = "---";
Radix50.TryConvert(seg.GetUInt16L(sp + 6), ref ext);
String fn = String.Concat(fn1, fn2, ".", ext);
if (RE.IsMatch(fn))
{
w = seg.GetUInt16L(sp + 12);
DateTime dt = DateTime.Now;
if (w != 0)
{
Int32 y = ((w & 0xc000) >> 9) + (w & 0x001f) + 1972;
Int32 m = (w & 0x3c00) >> 10;
Int32 d = (w & 0x03e0) >> 5;
if ((m >= 1) && (m <= 12) && (d >= 1) && (d <= 31))
{
dt = new DateTime(y, 1, 1).AddMonths(m - 1).AddDays(d - 1);
}
}
return(new FileEntry(String.Concat(String.Concat(fn1, fn2).TrimEnd(' '), ".", ext.TrimEnd(' ')), bp, len, dt));
}
}
bp += len;
sp += 14 + eb;
}
s = seg.GetUInt16L(2);
}
return(null);
}
public override void ListDir(String fileSpec, TextWriter output)
{
if ((fileSpec == null) || (fileSpec.Length == 0))
{
fileSpec = "*.*";
}
Regex RE = Regex(fileSpec);
output.WriteLine(DateTime.Today.ToString(" dd-MMM-yyyy"));
Block B = mVol[1];
UInt16 w = B.GetUInt16L(0x1d6);
if ((w < 64000) & IsASCIIText(B, 0x01d8, 36))
{
Byte[] buf = new Byte[36];
B.CopyTo(buf, 0, 0x1d8, 36);
output.WriteLine(" System ID: {0} {1}", Encoding.ASCII.GetString(buf, 24, 12), (w == 0x2020) ? null : Radix50.Convert(w));
output.WriteLine(" Volume ID: {0}", Encoding.ASCII.GetString(buf, 0, 12));
output.WriteLine(" Owner : {0}", Encoding.ASCII.GetString(buf, 12, 12));
}
Boolean f = false;
Int32 bct = 0;
Int32 fct = 0;
Int32 zct = 0;
Int32 s = 1; // current directory segment number
while (s != 0)
{
Block seg = mDir[s];
Int32 eb = seg.GetUInt16L(6);
Int32 bp = seg.GetUInt16L(8);
Int32 sp = 10;
E esw;
while (((esw = (E)seg.GetUInt16L(sp)) & E.EOS) == 0)
{
String fn1 = "---";
Radix50.TryConvert(seg.GetUInt16L(sp + 2), ref fn1);
String fn2 = "---";
Radix50.TryConvert(seg.GetUInt16L(sp + 4), ref fn2);
String ext = "---";
Radix50.TryConvert(seg.GetUInt16L(sp + 6), ref ext);
Int32 len = seg.GetUInt16L(sp + 8);
String cdt = " ";
w = seg.GetUInt16L(sp + 12);
if ((w != 0) && ((esw & E.PERM) != 0))
{
Int32 y = ((w & 0xc000) >> 9) + (w & 0x001f) + 1972;
Int32 m = (w & 0x3c00) >> 10;
Int32 d = (w & 0x03e0) >> 5;
cdt = ((m >= 1) && (m <= 12) && (d >= 1) && (d <= 31)) ? String.Format("{0:D2}-{1}-{2:D4}", d, MONTHS[m], y) : " -BAD- ";
}
String fn = String.Concat(fn1, fn2, ".", ext);
if ((esw & E.PERM) != 0)
{
if (RE.IsMatch(fn))
{
fct++;
bct += len;
}
else
{
fn = null;
}
}
else
{
fn = "< UNUSED >";
zct += len;
}
if (fn != null)
{
if (f = !f)
{
output.Write("{0} {1,5:D0}{2} {3}", fn, len, ((esw & (E.PERM | E.PROT)) == (E.PERM | E.PROT)) ? 'P' : ' ', cdt);
}
else
{
output.WriteLine(" {0} {1,5:D0}{2} {3}", fn, len, ((esw & (E.PERM | E.PROT)) == (E.PERM | E.PROT)) ? 'P' : ' ', cdt);
}
}
bp += len;
sp += 14 + eb;
}
s = seg.GetUInt16L(2);
}
if (f)
{
output.WriteLine();
}
output.WriteLine(" {0:D0} Files, {1:D0} Blocks", fct, bct);
output.WriteLine(" {0:D0} Free blocks", zct);
}
