/// <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); } }