private bool ReadTableFromOffset(ulong offset)
{
bool result;
try
{
if (_fileBytes[(int)(checked ((IntPtr)offset))] == 13)
{
ushort num = (ushort)(ConvertToULong((int)offset + 3, 2) - 1uL);
int num2 = 0;
if (_tableEntries != null)
{
num2 = _tableEntries.Length;
Array.Resize <Sqlite.TableEntry>(ref _tableEntries, _tableEntries.Length + (int)num + 1);
}
else
{
_tableEntries = new Sqlite.TableEntry[(int)(num + 1)];
}
for (ushort num3 = 0; num3 <= num; num3 += 1)
{
ulong num4 = ConvertToULong((int)offset + 8 + (int)(num3 * 2), 2);
if (offset != 100uL)
{
num4 += offset;
}
int num5 = Gvl((int)num4);
Cvl((int)num4, num5);
int num6 = Gvl((int)(num4 + (ulong)((long)num5 - (long)num4) + 1uL));
Cvl((int)(num4 + (ulong)((long)num5 - (long)num4) + 1uL), num6);
num4 += (ulong)((long)num6 - (long)num4 + 1L);
num5 = Gvl((int)num4);
num6 = num5;
long num7 = Cvl((int)num4, num5);
Sqlite.RecordHeaderField[] array = null;
long num8 = (long)(num4 - (ulong)((long)num5) + 1uL);
int num9 = 0;
while (num8 < num7)
{
Array.Resize <Sqlite.RecordHeaderField>(ref array, num9 + 1);
num5 = num6 + 1;
num6 = Gvl(num5);
array[num9].Type = Cvl(num5, num6);
if (array[num9].Type > 9L)
{
if (Sqlite.IsOdd(array[num9].Type))
{
array[num9].Size = (array[num9].Type - 13L) / 2L;
}
else
{
array[num9].Size = (array[num9].Type - 12L) / 2L;
}
}
else
{
array[num9].Size = (long)((ulong)_sqlDataTypeSize[(int)(checked ((IntPtr)array[num9].Type))]);
}
num8 = num8 + (long)(num6 - num5) + 1L;
num9++;
}
if (array != null)
{
_tableEntries[num2 + (int)num3].Content = new string[array.Length];
int num10 = 0;
for (int i = 0; i <= array.Length - 1; i++)
{
if (array[i].Type > 9L)
{
if (!Sqlite.IsOdd(array[i].Type))
{
if (_dbEncoding == 1uL)
{
_tableEntries[num2 + (int)num3].Content[i] = Encoding.Default.GetString(_fileBytes, (int)(num4 + (ulong)num7 + (ulong)((long)num10)), (int)array[i].Size);
}
else if (_dbEncoding == 2uL)
{
_tableEntries[num2 + (int)num3].Content[i] = Encoding.Unicode.GetString(_fileBytes, (int)(num4 + (ulong)num7 + (ulong)((long)num10)), (int)array[i].Size);
}
else if (_dbEncoding == 3uL)
{
_tableEntries[num2 + (int)num3].Content[i] = Encoding.BigEndianUnicode.GetString(_fileBytes, (int)(num4 + (ulong)num7 + (ulong)((long)num10)), (int)array[i].Size);
}
}
else
{
_tableEntries[num2 + (int)num3].Content[i] = Encoding.Default.GetString(_fileBytes, (int)(num4 + (ulong)num7 + (ulong)((long)num10)), (int)array[i].Size);
}
}
else
{
_tableEntries[num2 + (int)num3].Content[i] = Convert.ToString(ConvertToULong((int)(num4 + (ulong)num7 + (ulong)((long)num10)), (int)array[i].Size));
}
num10 += (int)array[i].Size;
}
}
}
}
else if (_fileBytes[(int)(checked ((IntPtr)offset))] == 5)
{
ushort num11 = (ushort)(ConvertToULong((int)(offset + 3uL), 2) - 1uL);
for (ushort num12 = 0; num12 <= num11; num12 += 1)
{
ushort num13 = (ushort)ConvertToULong((int)offset + 12 + (int)(num12 * 2), 2);
ReadTableFromOffset((ConvertToULong((int)(offset + (ulong)num13), 4) - 1uL) * _pageSize);
}
ReadTableFromOffset((ConvertToULong((int)(offset + 8uL), 4) - 1uL) * _pageSize);
}
result = true;
}
catch
{
result = false;
}
return(result);
}
private void ReadMasterTable(long offset)
{
try
{
byte b = _fileBytes[(int)(checked ((IntPtr)offset))];
if (b != 5)
{
if (b == 13)
{
ulong num = ConvertToULong((int)offset + 3, 2) - 1uL;
int num2 = 0;
if (_masterTableEntries != null)
{
num2 = _masterTableEntries.Length;
Array.Resize <Sqlite.SqliteMasterEntry>(ref _masterTableEntries, _masterTableEntries.Length + (int)num + 1);
}
else
{
_masterTableEntries = new Sqlite.SqliteMasterEntry[num + 1uL];
}
for (ulong num3 = 0uL; num3 <= num; num3 += 1uL)
{
ulong num4 = ConvertToULong((int)offset + 8 + (int)num3 * 2, 2);
if (offset != 100L)
{
num4 += (ulong)offset;
}
int num5 = Gvl((int)num4);
Cvl((int)num4, num5);
int num6 = Gvl((int)(num4 + (ulong)((long)num5 - (long)num4) + 1uL));
Cvl((int)(num4 + (ulong)((long)num5 - (long)num4) + 1uL), num6);
num4 += (ulong)((long)num6 - (long)num4 + 1L);
num5 = Gvl((int)num4);
num6 = num5;
long num7 = Cvl((int)num4, num5);
long[] array = new long[5];
for (int i = 0; i <= 4; i++)
{
num5 = num6 + 1;
num6 = Gvl(num5);
array[i] = Cvl(num5, num6);
if (array[i] > 9L)
{
if (Sqlite.IsOdd(array[i]))
{
array[i] = (array[i] - 13L) / 2L;
}
else
{
array[i] = (array[i] - 12L) / 2L;
}
}
else
{
array[i] = (long)((ulong)_sqlDataTypeSize[(int)(checked ((IntPtr)array[i]))]);
}
}
if (_dbEncoding != 1uL && _dbEncoding != 2uL)
{
ulong arg_19A_0 = _dbEncoding;
}
if (_dbEncoding == 1uL)
{
_masterTableEntries[num2 + (int)num3].ItemName = Encoding.Default.GetString(_fileBytes, (int)(num4 + (ulong)num7 + (ulong)array[0]), (int)array[1]);
}
else if (_dbEncoding == 2uL)
{
_masterTableEntries[num2 + (int)num3].ItemName = Encoding.Unicode.GetString(_fileBytes, (int)(num4 + (ulong)num7 + (ulong)array[0]), (int)array[1]);
}
else if (_dbEncoding == 3uL)
{
_masterTableEntries[num2 + (int)num3].ItemName = Encoding.BigEndianUnicode.GetString(_fileBytes, (int)(num4 + (ulong)num7 + (ulong)array[0]), (int)array[1]);
}
_masterTableEntries[num2 + (int)num3].RootNum = (long)ConvertToULong((int)(num4 + (ulong)num7 + (ulong)array[0] + (ulong)array[1] + (ulong)array[2]), (int)array[3]);
if (_dbEncoding == 1uL)
{
_masterTableEntries[num2 + (int)num3].SqlStatement = Encoding.Default.GetString(_fileBytes, (int)(num4 + (ulong)num7 + (ulong)array[0] + (ulong)array[1] + (ulong)array[2] + (ulong)array[3]), (int)array[4]);
}
else if (_dbEncoding == 2uL)
{
_masterTableEntries[num2 + (int)num3].SqlStatement = Encoding.Unicode.GetString(_fileBytes, (int)(num4 + (ulong)num7 + (ulong)array[0] + (ulong)array[1] + (ulong)array[2] + (ulong)array[3]), (int)array[4]);
}
else if (_dbEncoding == 3uL)
{
_masterTableEntries[num2 + (int)num3].SqlStatement = Encoding.BigEndianUnicode.GetString(_fileBytes, (int)(num4 + (ulong)num7 + (ulong)array[0] + (ulong)array[1] + (ulong)array[2] + (ulong)array[3]), (int)array[4]);
}
}
}
}
else
{
ushort num8 = (ushort)(ConvertToULong((int)offset + 3, 2) - 1uL);
for (int j = 0; j <= (int)num8; j++)
{
ushort num9 = (ushort)ConvertToULong((int)offset + 12 + j * 2, 2);
if (offset == 100L)
{
ReadMasterTable((long)((ConvertToULong((int)num9, 4) - 1uL) * _pageSize));
}
else
{
ReadMasterTable((long)((ConvertToULong((int)(offset + (long)((ulong)num9)), 4) - 1uL) * _pageSize));
}
}
ReadMasterTable((long)((ConvertToULong((int)offset + 8, 4) - 1uL) * _pageSize));
}
}
catch
{
}
}