public void Process()
{
RandomAccess ra = RandomAccess.GetInstance();
ra.position = 0;
Addr = ra.leLong();
if (Addr != 0)
{
throw new Exception("File doesn't start with 0x00000000 - it's not a TPS databse");
}
HeaderSize = ra.leShort();
FileLength1 = ra.leLong();
FileLength2 = ra.leLong();
TopSpeed = ra.fixedLengthString(4);
Zeros = ra.leShort();
LastIssuedRow = ra.beLong();
Changes = ra.leLong();
ManagementPageRef = ra.toFileOffset(ra.leLong());
PageStart = ra.toFileOffset(ra.leLongArray((0x110 - 0x20) / 4));
PageEnd = ra.toFileOffset(ra.leLongArray((0x200 - 0x110) / 4));
}
public object parseField(int type, int ofs, int len, TableField field, RandomAccess ra)
{
ra.jumpAbs(ofs);
switch (type)
{
case 1:
// byte
assertEqual(1, len);
return(ra.leByte());
case 2:
// short
assertEqual(2, len);
return(ra.leShort());
case 3:
// unsigned short
assertEqual(2, len);
return(ra.leUShort());
case 4:
// Date, mask encoded.
long date = ra.leULong();
if (date != 0)
{
long years = (date & 0xFFFF0000) >> 16;
long months = (date & 0x0000FF00) >> 8;
long days = (date & 0x000000FF);
return(new DateTime((int)years, (int)months, (int)days));
}
else
{
return(null);
}
case 5:
//
// Time, mask encoded.
// So far i've only had values with hours and minutes
// but no seconds or milliseconds so I've no way of
// knowing how to decode these.
//
//TODO: Fix the time here based on decaseconds
int time = ra.leLong();
int mins = (time & 0x00FF0000) >> 16;
int hours = (time & 0x7F000000) >> 24;
//
return(hours + " " + mins); //
case 6:
// Long
assertEqual(4, len);
return(ra.leLong());
case 7:
// Unsigned Long
assertEqual(4, len);
return(ra.leULong());
case 8:
// Float
assertEqual(4, len);
return(ra.leFloat());
case 9:
// Double
assertEqual(8, len);
return(ra.leDouble());
case 0x0A:
// BCD encoded.
return(ra.binaryCodedDecimal(len, field.BcdLengthOfElement, field.BcdDigitsAfterDecimalPoint));
case 0x12:
// Fixed Length String
return(ra.fixedLengthString(len));
case 0x13:
return(ra.zeroTerminatedString());
case 0x14:
return(ra.pascalString());
case 0x16:
// Group (an overlay on top of existing data, can be anything).
return(ra.leBytes(len));
default:
throw new Exception("Unsupported type " + type + " (" + len + ")");
}
}
