/// <summary>
/// Loads an SBI file from the specified path
/// </summary>
public SBIFile LoadSBIPath(string path)
{
using(var fs = File.OpenRead(path))
{
BinaryReader br = new BinaryReader(fs);
string sig = br.ReadStringFixedAscii(4);
if (sig != "SBI\0")
throw new SBIParseException("Missing magic number");
SBIFile ret = new SBIFile();
List<short> bytes = new List<short>();
//read records until done
for (; ; )
{
//graceful end
if (fs.Position == fs.Length)
break;
if (fs.Position+4 > fs.Length) throw new SBIParseException("Broken record");
var m = BCD2.BCDToInt(br.ReadByte());
var s = BCD2.BCDToInt(br.ReadByte());
var f = BCD2.BCDToInt(br.ReadByte());
var ts = new Timestamp(m, s, f);
ret.ABAs.Add(ts.Sector);
int type = br.ReadByte();
switch (type)
{
case 1: //Q0..Q9
if (fs.Position + 10 > fs.Length) throw new SBIParseException("Broken record");
for (int i = 0; i <= 9; i++) bytes.Add(br.ReadByte());
for (int i = 10; i <= 11; i++) bytes.Add(-1);
break;
case 2: //Q3..Q5
if (fs.Position + 3 > fs.Length) throw new SBIParseException("Broken record");
for (int i = 0; i <= 2; i++) bytes.Add(-1);
for (int i = 3; i <= 5; i++) bytes.Add(br.ReadByte());
for (int i = 6; i <= 11; i++) bytes.Add(-1);
break;
case 3: //Q7..Q9
if (fs.Position + 3 > fs.Length) throw new SBIParseException("Broken record");
for (int i = 0; i <= 6; i++) bytes.Add(-1);
for (int i = 7; i <= 9; i++) bytes.Add(br.ReadByte());
for (int i = 10; i <= 11; i++) bytes.Add(-1);
break;
default:
throw new SBIParseException("Broken record");
}
}
ret.subq = bytes.ToArray();
return ret;
}
}
/// <summary>
/// Loads an SBI file from the specified path
/// </summary>
public SBIFile LoadSBIPath(string path)
{
using (var fs = File.OpenRead(path))
{
BinaryReader br = new BinaryReader(fs);
string sig = br.ReadStringFixedAscii(4);
if (sig != "SBI\0")
{
throw new SBIParseException("Missing magic number");
}
SBIFile ret = new SBIFile();
List <short> bytes = new List <short>();
//read records until done
for (; ;)
{
//graceful end
if (fs.Position == fs.Length)
{
break;
}
if (fs.Position + 4 > fs.Length)
{
throw new SBIParseException("Broken record");
}
var m = BCD2.BCDToInt(br.ReadByte());
var s = BCD2.BCDToInt(br.ReadByte());
var f = BCD2.BCDToInt(br.ReadByte());
var ts = new Timestamp(m, s, f);
ret.ABAs.Add(ts.Sector);
int type = br.ReadByte();
switch (type)
{
case 1: //Q0..Q9
if (fs.Position + 10 > fs.Length)
{
throw new SBIParseException("Broken record");
}
for (int i = 0; i <= 9; i++)
{
bytes.Add(br.ReadByte());
}
for (int i = 10; i <= 11; i++)
{
bytes.Add(-1);
}
break;
case 2: //Q3..Q5
if (fs.Position + 3 > fs.Length)
{
throw new SBIParseException("Broken record");
}
for (int i = 0; i <= 2; i++)
{
bytes.Add(-1);
}
for (int i = 3; i <= 5; i++)
{
bytes.Add(br.ReadByte());
}
for (int i = 6; i <= 11; i++)
{
bytes.Add(-1);
}
break;
case 3: //Q7..Q9
if (fs.Position + 3 > fs.Length)
{
throw new SBIParseException("Broken record");
}
for (int i = 0; i <= 6; i++)
{
bytes.Add(-1);
}
for (int i = 7; i <= 9; i++)
{
bytes.Add(br.ReadByte());
}
for (int i = 10; i <= 11; i++)
{
bytes.Add(-1);
}
break;
default:
throw new SBIParseException("Broken record");
}
}
ret.subq = bytes.ToArray();
return(ret);
}
}
