private void ReadHeader(LiteDB.ByteReader reader) { // first 5 bytes (pageID + pageType) was readed before class create // this.PageID // this.PageType this.PrevPageID = reader.ReadUInt32(); this.NextPageID = reader.ReadUInt32(); this.ItemCount = reader.ReadUInt16(); reader.ReadUInt16(); // FreeBytes; reader.Skip(8); // reserved 8 bytes }
protected override void ReadContent(LiteDB.ByteReader reader) { reader.ReadString(HEADER_INFO.Length); reader.ReadByte(); this.ChangeID = reader.ReadUInt16(); this.FreeEmptyPageID = reader.ReadUInt32(); this.LastPageID = reader.ReadUInt32(); this.DbVersion = reader.ReadUInt16(); this.Password = reader.ReadBytes(this.Password.Length); // read page collections references (position on end of page) var cols = reader.ReadByte(); for (var i = 0; i < cols; i++) { this.CollectionPages.Add(reader.ReadString(), reader.ReadUInt32()); } }
/// <summary> /// Read a page with correct instance page object. Checks for pageType /// </summary> public static BasePage ReadPage(byte[] buffer) { var reader = new LiteDB.ByteReader(buffer); var pageID = reader.ReadUInt32(); var pageType = (PageType)reader.ReadByte(); var page = CreateInstance(pageID, pageType); page.ReadHeader(reader); page.ReadContent(reader); return(page); }
protected override void ReadContent(LiteDB.ByteReader reader) { this.CollectionName = reader.ReadString(); this.FreeDataPageID = reader.ReadUInt32(); var uintCount = reader.ReadUInt32(); // read as uint (4 bytes) foreach (var index in this.Indexes) { index.Field = reader.ReadString(); index.HeadNode = reader.ReadPageAddress(); index.TailNode = reader.ReadPageAddress(); index.FreeIndexPageID = reader.ReadUInt32(); index.Unique = reader.ReadBoolean(); reader.ReadBoolean(); // IgnoreCase reader.ReadBoolean(); // TrimWhitespace reader.ReadBoolean(); // EmptyStringToNull reader.ReadBoolean(); // RemoveAccents } // be compatible with v2_beta var longCount = reader.ReadInt64(); this.DocumentCount = Math.Max(uintCount, longCount); }
protected override void ReadContent(LiteDB.ByteReader reader) { this.DataBlocks = new Dictionary <ushort, DataBlock>(ItemCount); for (var i = 0; i < ItemCount; i++) { var block = new DataBlock(); block.Page = this; block.Position = new LiteDB.PageAddress(this.PageID, reader.ReadUInt16()); block.ExtendPageID = reader.ReadUInt32(); for (var j = 0; j < CollectionIndex.INDEX_PER_COLLECTION; j++) { block.IndexRef[j] = reader.ReadPageAddress(); } var size = reader.ReadUInt16(); block.Data = reader.ReadBytes(size); this.DataBlocks.Add(block.Position.Index, block); } }