public FieldDefinitionRecord(RandomAccess rx)
{
if (rx == null)
{
throw new ArgumentNullException(nameof(rx));
}
Type = (TpsTypeCode)rx.Byte();
Offset = rx.ShortLE();
FullName = rx.ZeroTerminatedString();
ElementCount = rx.ShortLE();
Length = rx.ShortLE();
Flags = rx.ShortLE();
Index = rx.ShortLE();
switch (Type)
{
case TpsTypeCode.Decimal:
BcdDigitsAfterDecimalPoint = rx.Byte();
BcdElementLength = rx.Byte();
break;
case TpsTypeCode.String:
case TpsTypeCode.CString:
case TpsTypeCode.PString:
StringLength = rx.ShortLE();
StringMask = rx.ZeroTerminatedString();
if (StringMask.Length == 0)
{
rx.Byte();
}
break;
}
}
public IndexDefinitionRecord(RandomAccess rx)
{
if (rx == null)
{
throw new ArgumentNullException(nameof(rx));
}
ExternalFile = rx.ZeroTerminatedString();
if (ExternalFile.Length == 0)
{
int read = rx.Byte();
if (read != 0x01)
{
throw new ArgumentException($"Bad index definition: missing 0x01 after zero string ({read:X2})");
}
}
Name = rx.ZeroTerminatedString();
Flags = rx.Byte();
FieldsInKey = rx.ShortLE();
KeyField = new int[FieldsInKey];
KeyFieldFlag = new int[FieldsInKey];
for (int i = 0; i < FieldsInKey; i++)
{
KeyField[i] = rx.ShortLE();
KeyFieldFlag[i] = rx.ShortLE();
}
}
/// <summary>
/// Instantiates a new null-terminated string.
/// </summary>
/// <param name="rx">The binary reader containing the raw string data.</param>
/// <param name="encoding">The text encoding from which to create a well-formed string.</param>
public TpsCString(RandomAccess rx, Encoding encoding)
{
if (rx == null)
{
throw new ArgumentNullException(nameof(rx));
}
if (encoding == null)
{
throw new ArgumentNullException(nameof(encoding));
}
Value = rx.ZeroTerminatedString(encoding);
}
public MemoDefinitionRecord(RandomAccess rx)
{
if (rx == null)
{
throw new ArgumentNullException(nameof(rx));
}
ExternalFile = rx.ZeroTerminatedString();
if (ExternalFile.Length == 0)
{
byte memoMarker = rx.Byte();
if (memoMarker != 1)
{
throw new ArgumentException($"Bad memo definition: missing 0x01 after zero string. Was 0x{memoMarker:x2}.");
}
}
FullName = rx.ZeroTerminatedString();
Length = rx.ShortLE();
Flags = rx.ShortLE();
}
