/// <summary> /// </summary> /// <param name="reader"> /// </param> /// <param name="head"> /// </param> /// <param name="bits"> /// </param> internal MsfDirectory(PdbReader reader, PdbFileHeader head, BitAccess bits) { bits.MinCapacity(head.directorySize); var pages = reader.PagesFromSize(head.directorySize); // 0..n in page of directory pages. reader.Seek(head.directoryRoot, 0); bits.FillBuffer(reader.reader, pages * 4); var stream = new DataStream(head.directorySize, bits, pages); bits.MinCapacity(head.directorySize); stream.Read(reader, bits); // 0..3 in directory pages int count; bits.ReadInt32(out count); // 4..n var sizes = new int[count]; bits.ReadInt32(sizes); // n..m this.streams = new DataStream[count]; for (var i = 0; i < count; i++) { if (sizes[i] <= 0) { this.streams[i] = new DataStream(); } else { this.streams[i] = new DataStream(sizes[i], bits, reader.PagesFromSize(sizes[i])); } } }
internal MsfDirectory(PdbReader reader, PdbFileHeader head, BitAccess bits) { int pages = reader.PagesFromSize(head.directorySize); // 0..n in page of directory pages. bits.MinCapacity(head.directorySize); int directoryRootPages = head.directoryRoot.Length; int pagesPerPage = head.pageSize / 4; int pagesToGo = pages; for (int i = 0; i < directoryRootPages; i++) { int pagesInThisPage = pagesToGo <= pagesPerPage ? pagesToGo : pagesPerPage; reader.Seek(head.directoryRoot[i], 0); bits.Append(reader.reader, pagesInThisPage * 4); pagesToGo -= pagesInThisPage; } bits.Position = 0; DataStream stream = new DataStream(head.directorySize, bits, pages); bits.MinCapacity(head.directorySize); stream.Read(reader, bits); // 0..3 in directory pages int count; bits.ReadInt32(out count); // 4..n int[] sizes = new int[count]; bits.ReadInt32(sizes); // n..m streams = new DataStream[count]; for (int i = 0; i < count; i++) { if (sizes[i] <= 0) { streams[i] = new DataStream(); } else { streams[i] = new DataStream(sizes[i], bits, reader.PagesFromSize(sizes[i])); } } }