internal const long FBQE_HEADER_LENGTH = LAST_Q_POS + LAST_Q_LEN + 4; // 4-reserve
///////////////////////////////////////////////////
///////////////////// METHODS /////////////////////
///////////////////////////////////////////////////
/// <summary>
/// Get by index
/// </summary>
/// <param name="idx"></param>
/// <returns></returns>
public FBQE GetFBQE(int idx)
{
FBQE f = new FBQE();
f.index = idx;
f.address = idx * FBQE_LENGTH;
f.SG = VSLib.ConvertByteToString(VSLib.GetByteArray(buffer, f.address + SG_POS, SG_LEN));
f.ADDRESS_START = VSLib.ConvertByteToLong(VSLib.GetByteArray(buffer, f.address + ADDRESS_START_POS, ADDRESS_START_LEN));
f.ADDRESS_END = VSLib.ConvertByteToLong(VSLib.GetByteArray(buffer, f.address + ADDRESS_END_POS, ADDRESS_END_LEN));
f.LENGTH = VSLib.ConvertByteToLong(VSLib.GetByteArray(buffer, f.address + LENGTH_POS, LENGTH_LEN));
f.PREV = VSLib.ConvertByteToInt(VSLib.GetByteArray(buffer, f.address + PREV_POS, PREV_LEN));
f.NEXT = VSLib.ConvertByteToInt(VSLib.GetByteArray(buffer, f.address + NEXT_POS, NEXT_LEN));
if (f.SG != DEFS.FBQE_SIGNATURE)
{
throw new VSException(DEFS.E0006_INVALID_SIGNATURE_CODE, "(FBQE)");
}
return(f);
}
/// <summary>
/// Read long
/// </summary>
/// <param name="address"></param>
/// <returns></returns>
public long ReadLong(long address)
{
return(VSLib.ConvertByteToLong(ReadBytes(address, 8)));
}
/// <summary>
/// Get long value
/// </summary>
/// <param name="name"></param>
/// <returns></returns>
public long GetLong(string name)
{
byte[] b = get_field(name, FIELD_TYPE_LONG);
return((b == null) ? DEFAULT_LONG : VSLib.ConvertByteToLong(b));
}
/// <summary>
/// Get DateTime value
/// </summary>
/// <param name="name"></param>
/// <returns></returns>
public DateTime GetDateTime(string name)
{
byte[] b = get_field(name, FIELD_TYPE_DATETIME);
return((b == null) ? DEFAULT_DATETIME : new DateTime(VSLib.ConvertByteToLong(b)));
}
/// <summary>
/// Read long
/// </summary>
/// <returns></returns>
public long ReadLong(long offset = -1)
{
return(VSLib.ConvertByteToLong(this.ReadBytes(offset, 8)));
}