public static BTreeHeader Parse(ReaderBase reader)
{
reader.CheckSize(8);
BTreeHeader res = new BTreeHeader();
res.Type = (BTreeType)reader.ReadByte();
res.FirstFreeBlock = reader.ReadUInt16();
res.CellCount = reader.ReadUInt16();
res.CellContentBegin = reader.ReadUInt16();
res.CellContentFragmentedFreeBytes = reader.ReadByte();
if (res.Type == BTreeType.InteriorIndexBtreePage || res.Type == BTreeType.InteriorTableBtreePage)
{
reader.CheckSize(sizeof(uint));
res.RightMostPointer = reader.ReadUInt32();
}
return(res);
}
internal static DatabaseHeader Parse(ReaderBase reader)
{
// The header is 100 bytes
reader.CheckSize(100);
reader.CheckMagicBytes(_expectedHeader);
// Read header
DatabaseHeader res = new DatabaseHeader();
res.PageSize = reader.ReadUInt16();
res.WriteVersion = (FileWriteVersion)reader.ReadByte();
res.ReadVersion = (FileReadVersion)reader.ReadByte();
res.ReservedSpaceAtEndOfPage = reader.ReadByte();
res.MaximumEmbeddedPayloadFraction = reader.ReadByte();
res.MinimumEmbeddedPayloadFraction = reader.ReadByte();
res.LeafPayloadFraction = reader.ReadByte();
res.ChangeCounter = reader.ReadUInt32();
res.DatabaseSizeInPages = reader.ReadUInt32();
res.FirstFreelistTrunkPage = reader.ReadUInt32();
res.FreeListPages = reader.ReadUInt32();
res.SchemaCookie = reader.ReadUInt32();
res.SchemaFormat = reader.ReadUInt32();
res.DefaultPageCacheSize = reader.ReadUInt32();
res.Value7 = reader.ReadUInt32();
res.TextEncoding = (SqliteEncoding)reader.ReadUInt32();
res.UserVersion = reader.ReadUInt32();
res.IncrementalVacuumMode = reader.ReadUInt32();
res.ApplicationId = reader.ReadUInt32();
reader.Skip(20);
res.VersionValidFor = reader.ReadUInt32();
res.Version = reader.ReadUInt32();
// TODO: Warn/err on mismatch with expected values
return(res);
}
