public GlobalHeapObject(H5BinaryReader reader, Superblock superblock) : base(reader)
{
// heap object index
this.HeapObjectIndex = reader.ReadUInt16();
if (this.HeapObjectIndex == 0)
{
return;
}
// reference count
this.ReferenceCount = reader.ReadUInt16();
// reserved
reader.ReadBytes(4);
// object size
var objectSize = superblock.ReadLength(reader);
// object data
this.ObjectData = reader.ReadBytes((int)objectSize);
var paddedSize = (int)(Math.Ceiling(objectSize / 8.0) * 8);
var remainingSize = paddedSize - (int)objectSize;
reader.ReadBytes(remainingSize);
}
public GlobalHeapCollection(H5BinaryReader reader, Superblock superblock) : base(reader)
{
// signature
var signature = reader.ReadBytes(4);
H5Utils.ValidateSignature(signature, GlobalHeapCollection.Signature);
// version
this.Version = reader.ReadByte();
// reserved
reader.ReadBytes(3);
// collection size
this.CollectionSize = superblock.ReadLength(reader);
// global heap objects
this.GlobalHeapObjects = new List <GlobalHeapObject>();
var headerSize = 8UL + superblock.LengthsSize;
var remaining = this.CollectionSize;
while (remaining > headerSize)
{
var before = reader.BaseStream.Position;
var globalHeapObject = new GlobalHeapObject(reader, superblock);
this.GlobalHeapObjects.Add(globalHeapObject);
var after = reader.BaseStream.Position;
var consumed = (ulong)(after - before);
remaining -= consumed;
}
}
public FillValueMessage(H5BinaryReader reader) : base(reader)
{
// version
this.Version = reader.ReadByte();
uint size;
switch (this.Version)
{
case 1:
this.AllocationTime = (SpaceAllocationTime)reader.ReadByte();
this.FillTime = (FillValueWriteTime)reader.ReadByte();
this.IsDefined = reader.ReadByte() == 1;
size = reader.ReadUInt32();
this.Value = reader.ReadBytes((int)size);
break;
case 2:
this.AllocationTime = (SpaceAllocationTime)reader.ReadByte();
this.FillTime = (FillValueWriteTime)reader.ReadByte();
this.IsDefined = reader.ReadByte() == 1;
if (this.IsDefined)
{
size = reader.ReadUInt32();
this.Value = reader.ReadBytes((int)size);
}
break;
case 3:
var flags = reader.ReadByte();
this.AllocationTime = (SpaceAllocationTime)((flags & 0x03) >> 0); // take only bits 0 and 1
this.FillTime = (FillValueWriteTime)((flags & 0x0C) >> 2); // take only bits 2 and 3
this.IsDefined = (flags & (1 << 5)) > 0; // take only bit 5
if (this.IsDefined)
{
size = reader.ReadUInt32();
this.Value = reader.ReadBytes((int)size);
}
break;
default:
break;
}
}
internal DataLayoutMessage12(H5BinaryReader reader, Superblock superblock, byte version) : base(reader)
{
// version
this.Version = version;
// rank
this.Rank = reader.ReadByte();
// layout class
this.LayoutClass = (LayoutClass)reader.ReadByte();
// reserved
reader.ReadBytes(5);
// data address
this.Address = this.LayoutClass switch
{
LayoutClass.Compact => ulong.MaxValue, // invalid address
LayoutClass.Contiguous => superblock.ReadOffset(reader),
LayoutClass.Chunked => superblock.ReadOffset(reader),
_ => throw new NotSupportedException($"The layout class '{this.LayoutClass}' is not supported.")
};
// dimension sizes
this.DimensionSizes = new uint[this.Rank];
for (int i = 0; i < this.Rank; i++)
{
this.DimensionSizes[i] = reader.ReadUInt32();
}
// dataset element size
if (this.LayoutClass == LayoutClass.Chunked)
{
this.DatasetElementSize = reader.ReadUInt32();
}
// compact data size
if (this.LayoutClass == LayoutClass.Compact)
{
var compactDataSize = reader.ReadUInt32();
this.CompactData = reader.ReadBytes((int)compactDataSize);
}
else
{
this.CompactData = new byte[0];
}
}
public BTree1Node(H5BinaryReader reader, Superblock superblock, Func <T> decodeKey)
{
_reader = reader;
_superblock = superblock;
_decodeKey = decodeKey;
var signature = reader.ReadBytes(4);
H5Utils.ValidateSignature(signature, BTree1Node <T> .Signature);
this.NodeType = (BTree1NodeType)reader.ReadByte();
this.NodeLevel = reader.ReadByte();
this.EntriesUsed = reader.ReadUInt16();
this.LeftSiblingAddress = superblock.ReadOffset(reader);
this.RightSiblingAddress = superblock.ReadOffset(reader);
this.Keys = new T[this.EntriesUsed + 1];
this.ChildAddresses = new ulong[this.EntriesUsed];
for (int i = 0; i < this.EntriesUsed; i++)
{
this.Keys[i] = decodeKey();
this.ChildAddresses[i] = superblock.ReadOffset(reader);
}
this.Keys[this.EntriesUsed] = decodeKey();
}
public H5S_SEL_POINTS(H5BinaryReader reader) : base(reader)
{
// version
this.Version = reader.ReadUInt32();
// reserved
reader.ReadBytes(4);
// length
var length = reader.ReadUInt32();
// rank
this.Rank = reader.ReadUInt32();
// point count
this.PointCount = reader.ReadUInt32();
// point data
this.PointData = new uint[this.Rank * this.PointCount];
for (int i = 0; i < (length - 8) / 4; i++)
{
this.PointData[i] = reader.ReadUInt32();
}
}
public FractalHeapDirectBlock(FractalHeapHeader header, H5BinaryReader reader, Superblock superblock) : base(reader)
{
_superblock = superblock;
var headerSize = 0UL;
// signature
var signature = reader.ReadBytes(4);
headerSize += 4;
H5Utils.ValidateSignature(signature, FractalHeapDirectBlock.Signature);
// version
this.Version = reader.ReadByte();
headerSize += 1;
// heap header address
this.HeapHeaderAddress = superblock.ReadOffset(reader);
headerSize += superblock.OffsetsSize;
// block offset
var blockOffsetFieldSize = (int)Math.Ceiling(header.MaximumHeapSize / 8.0);
this.BlockOffset = H5Utils.ReadUlong(this.Reader, (ulong)blockOffsetFieldSize);
headerSize += (ulong)blockOffsetFieldSize;
// checksum
if (header.Flags.HasFlag(FractalHeapHeaderFlags.DirectBlocksAreChecksummed))
{
this.Checksum = reader.ReadUInt32();
headerSize += 4;
}
this.HeaderSize = headerSize;
}
public SymbolTableEntry(H5BinaryReader reader, Superblock superblock) : base(reader)
{
_superblock = superblock;
// link name offset
this.LinkNameOffset = superblock.ReadOffset(reader);
// object header address
this.HeaderAddress = superblock.ReadOffset(reader);
// cache type
this.CacheType = (CacheType)reader.ReadUInt32();
// reserved
reader.ReadUInt32();
// scratch pad
var before = reader.BaseStream.Position;
this.ScratchPad = this.CacheType switch
{
CacheType.NoCache => null,
CacheType.ObjectHeader => new ObjectHeaderScratchPad(reader, superblock),
CacheType.SymbolicLink => new SymbolicLinkScratchPad(reader),
_ => throw new NotSupportedException()
};
var after = reader.BaseStream.Position;
var length = after - before;
// read as many bytes as needed to read a total of 16 bytes, even if the scratch pad is not used
reader.ReadBytes((int)(16 - length));
}
public BTree2Node(H5BinaryReader reader, BTree2Header <T> header, ushort recordCount, byte[] signature, Func <T> decodeKey)
: base(reader)
{
// signature
var actualSignature = reader.ReadBytes(4);
H5Utils.ValidateSignature(actualSignature, signature);
// version
this.Version = reader.ReadByte();
// type
this.Type = (BTree2Type)reader.ReadByte();
if (this.Type != header.Type)
{
throw new FormatException($"The BTree2 internal node type ('{this.Type}') does not match the type defined in the header ('{header.Type}').");
}
// records
this.Records = new T[recordCount];
for (ulong i = 0; i < recordCount; i++)
{
this.Records[i] = decodeKey();
}
}
public MultiDriverInfo(H5BinaryReader reader) : base(reader)
{
// member mapping
this.MemberMapping1 = (MemberMapping)reader.ReadByte();
this.MemberMapping2 = (MemberMapping)reader.ReadByte();
this.MemberMapping3 = (MemberMapping)reader.ReadByte();
this.MemberMapping4 = (MemberMapping)reader.ReadByte();
this.MemberMapping5 = (MemberMapping)reader.ReadByte();
this.MemberMapping6 = (MemberMapping)reader.ReadByte();
// reserved
reader.ReadBytes(3);
// member count
var memberCount = new MemberMapping[] { this.MemberMapping1, this.MemberMapping2, this.MemberMapping3,
this.MemberMapping4, this.MemberMapping5, this.MemberMapping6 }.Distinct().Count();
// member start and end addresses
this.MemberFileStartAddresses = new List <ulong>(memberCount);
this.MemberFileEndAddresses = new List <ulong>(memberCount);
for (int i = 0; i < memberCount; i++)
{
this.MemberFileStartAddresses[i] = reader.ReadUInt64();
this.MemberFileEndAddresses[i] = reader.ReadUInt64();
}
// member names
this.MemberNames = new List <string>(memberCount);
for (int i = 0; i < memberCount; i++)
{
this.MemberNames[i] = H5Utils.ReadNullTerminatedString(reader, pad: true);
}
}
public FixedArrayHeader(H5BinaryReader reader, Superblock superblock, uint chunkSizeLength) : base(reader)
{
_superblock = superblock;
_chunkSizeLength = chunkSizeLength;
// signature
var signature = reader.ReadBytes(4);
H5Utils.ValidateSignature(signature, FixedArrayHeader.Signature);
// version
this.Version = reader.ReadByte();
// client ID
this.ClientID = (ClientID)reader.ReadByte();
// entry size
this.EntrySize = reader.ReadByte();
// page bits
this.PageBits = reader.ReadByte();
// entries count
this.EntriesCount = superblock.ReadLength(reader);
// data block address
this.DataBlockAddress = superblock.ReadOffset(reader);
// checksum
this.Checksum = reader.ReadUInt32();
}
public TinyObjectsFractalHeapIdSubType1(H5BinaryReader localReader, byte firstByte)
{
_firstByte = firstByte;
// data
this.Data = localReader.ReadBytes(this.Length);
}
public EnumerationPropertyDescription(H5BinaryReader reader, byte version, uint valueSize, ushort memberCount) : base(reader)
{
// base type
this.BaseType = new DatatypeMessage(reader);
// names
this.Names = new List <string>(memberCount);
for (int i = 0; i < memberCount; i++)
{
if (version <= 2)
{
this.Names.Add(H5Utils.ReadNullTerminatedString(reader, pad: true));
}
else
{
this.Names.Add(H5Utils.ReadNullTerminatedString(reader, pad: false));
}
}
// values
this.Values = new List <byte[]>(memberCount);
for (int i = 0; i < memberCount; i++)
{
this.Values.Add(reader.ReadBytes((int)valueSize));
}
}
public ExternalFileListMessage(H5BinaryReader reader, Superblock superblock) : base(reader)
{
_superblock = superblock;
// version
this.Version = reader.ReadByte();
// reserved
reader.ReadBytes(3);
#warning Its value must be at least as large as the value contained in the Used Slots field.
// allocated slot count
this.AllocatedSlotCount = reader.ReadUInt16();
// used slot count
this.UsedSlotCount = reader.ReadUInt16();
// heap address
this.HeapAddress = superblock.ReadOffset(reader);
// slot definitions
this.SlotDefinitions = new ExternalFileListSlot[this.UsedSlotCount];
for (int i = 0; i < this.UsedSlotCount; i++)
{
this.SlotDefinitions[i] = new ExternalFileListSlot(reader, superblock);
}
}
public FixedArrayDataBlock(H5BinaryReader reader, Superblock superblock, FixedArrayHeader header, uint chunkSizeLength)
{
// H5FAdblock.c (H5FA__dblock_alloc)
this.ElementsPerPage = 1UL << header.PageBits;
this.PageCount = 0UL;
var pageBitmapSize = 0UL;
if (header.EntriesCount > this.ElementsPerPage)
{
/* Compute number of pages */
this.PageCount = (header.EntriesCount + this.ElementsPerPage - 1) / this.ElementsPerPage;
/* Compute size of 'page init' flag array, in bytes */
pageBitmapSize = (this.PageCount + 7) / 8;
}
// signature
var signature = reader.ReadBytes(4);
H5Utils.ValidateSignature(signature, FixedArrayDataBlock.Signature);
// version
this.Version = reader.ReadByte();
// client ID
this.ClientID = (ClientID)reader.ReadByte();
// header address
this.HeaderAddress = superblock.ReadOffset(reader);
// page bitmap
if (this.PageCount > 0)
{
this.PageBitmap = reader.ReadBytes((int)pageBitmapSize);
}
// elements
else
{
this.Elements = ArrayIndexUtils.ReadElements(reader, superblock, header.EntriesCount, this.ClientID, chunkSizeLength);
}
// checksum
this.Checksum = reader.ReadUInt32();
}
public H5S_SEL_ALL(H5BinaryReader reader) : base(reader)
{
// version
this.Version = reader.ReadUInt32();
// reserved
reader.ReadBytes(8);
}
public DataspaceMessage(H5BinaryReader reader, Superblock superblock) : base(reader)
{
this.Version = reader.ReadByte();
this.Rank = reader.ReadByte();
var flags = (DataspaceMessageFlags)reader.ReadByte();
if (this.Version == 1)
{
if (this.Rank > 0)
{
this.Type = DataspaceType.Simple;
}
else
{
this.Type = DataspaceType.Scalar;
}
reader.ReadBytes(5);
}
else
{
this.Type = (DataspaceType)reader.ReadByte();
}
this.DimensionSizes = new ulong[this.Rank];
var dimensionMaxSizesArePresent = flags.HasFlag(DataspaceMessageFlags.DimensionMaxSizes);
var permutationIndicesArePresent = flags.HasFlag(DataspaceMessageFlags.PermuationIndices);
for (int i = 0; i < this.Rank; i++)
{
this.DimensionSizes[i] = superblock.ReadLength(reader);
}
if (dimensionMaxSizesArePresent)
{
this.DimensionMaxSizes = new ulong[this.Rank];
for (int i = 0; i < this.Rank; i++)
{
this.DimensionMaxSizes[i] = superblock.ReadLength(reader);
}
}
else
{
this.DimensionMaxSizes = this.DimensionSizes.ToArray();
}
if (permutationIndicesArePresent)
{
this.PermutationIndices = new ulong[this.Rank];
for (int i = 0; i < this.Rank; i++)
{
this.PermutationIndices[i] = superblock.ReadLength(reader);
}
}
}
public FractalHeapIndirectBlock(FractalHeapHeader header, H5BinaryReader reader, Superblock superblock, uint rowCount) : base(reader)
{
_superblock = superblock;
this.RowCount = rowCount;
// signature
var signature = reader.ReadBytes(4);
H5Utils.ValidateSignature(signature, FractalHeapIndirectBlock.Signature);
// version
this.Version = reader.ReadByte();
// heap header address
this.HeapHeaderAddress = superblock.ReadOffset(reader);
// block offset
var blockOffsetFieldSize = (int)Math.Ceiling(header.MaximumHeapSize / 8.0);
this.BlockOffset = H5Utils.ReadUlong(this.Reader, (ulong)blockOffsetFieldSize);
// H5HFcache.c (H5HF__cache_iblock_deserialize)
var length = rowCount * header.TableWidth;
this.Entries = new FractalHeapEntry[length];
for (uint i = 0; i < this.Entries.Length; i++)
{
/* Decode child block address */
this.Entries[i].Address = _superblock.ReadOffset(reader);
/* Check for heap with I/O filters */
if (header.IOFilterEncodedLength > 0)
{
/* Decode extra information for direct blocks */
if (i < (header.MaxDirectRows * header.TableWidth))
{
/* Size of filtered direct block */
this.Entries[i].FilteredSize = _superblock.ReadLength(reader);
/* I/O filter mask for filtered direct block */
this.Entries[i].FilterMask = reader.ReadUInt32();
}
}
/* Count child blocks */
if (!superblock.IsUndefinedAddress(this.Entries[i].Address))
{
this.ChildCount++;
this.MaxChildIndex = i;
}
}
// checksum
this.Checksum = reader.ReadUInt32();
}
public ObjectModificationMessage(H5BinaryReader reader) : base(reader)
{
// version
this.Version = reader.ReadByte();
// reserved
reader.ReadBytes(3);
// seconds after unix epoch
this.SecondsAfterUnixEpoch = reader.ReadUInt32();
}
public FreeSpaceManagerHeader(H5BinaryReader reader, Superblock superblock) : base(reader)
{
// signature
var signature = reader.ReadBytes(4);
H5Utils.ValidateSignature(signature, FreeSpaceManagerHeader.Signature);
// version
this.Version = reader.ReadByte();
// client ID
this.ClientId = (ClientId)reader.ReadByte();
// total space tracked
this.TotalSpaceTracked = superblock.ReadLength(reader);
// total sections count
this.TotalSectionsCount = superblock.ReadLength(reader);
// serialized sections count
this.SerializedSectionsCount = superblock.ReadLength(reader);
// un-serialized sections count
this.UnSerializedSectionsCount = superblock.ReadLength(reader);
// section classes count
this.SectionClassesCount = reader.ReadUInt16();
// shrink percent
this.ShrinkPercent = reader.ReadUInt16();
// expand percent
this.ExpandPercent = reader.ReadUInt16();
// address space size
this.AddressSpaceSize = reader.ReadUInt16();
// maximum section size
this.MaximumSectionSize = superblock.ReadLength(reader);
// serialized section list address
this.SerializedSectionListAddress = superblock.ReadOffset(reader);
// serialized section list used
this.SerializedSectionListUsed = superblock.ReadLength(reader);
// serialized section list allocated size
this.SerializedSectionListAllocatedSize = superblock.ReadLength(reader);
// checksum
this.Checksum = reader.ReadUInt32();
}
public SharedObjectHeaderMessageTable(H5BinaryReader reader) : base(reader)
{
// signature
var signature = reader.ReadBytes(4);
H5Utils.ValidateSignature(signature, SharedObjectHeaderMessageTable.Signature);
//
#warning implement this correctly
// checksum
this.Checksum = reader.ReadUInt32();
}
public LocalHeap(H5BinaryReader reader, Superblock superblock) : base(reader)
{
// signature
var signature = reader.ReadBytes(4);
H5Utils.ValidateSignature(signature, LocalHeap.Signature);
// version
this.Version = reader.ReadByte();
// reserved
reader.ReadBytes(3);
// data segment size
this.DataSegmentSize = superblock.ReadLength(reader);
// free list head offset
this.FreeListHeadOffset = superblock.ReadLength(reader);
// data segment address
this.DataSegmentAddress = superblock.ReadOffset(reader);
}
public SharedMessageRecordList(H5BinaryReader reader) : base(reader)
{
// signature
var signature = reader.ReadBytes(4);
H5Utils.ValidateSignature(signature, SharedMessageRecordList.Signature);
// share message records
this.SharedMessageRecords = new List <SharedMessageRecord>();
#warning how to know how many?
// checksum
this.Checksum = reader.ReadUInt32();
}
public ExtensibleArrayIndexBlock(
H5BinaryReader reader,
Superblock superblock,
ExtensibleArrayHeader header,
Func <H5BinaryReader, T> decode)
{
// H5EAiblock.c (H5EA__iblock_alloc)
this.SecondaryBlockDataBlockAddressCount = 2 * (ulong)Math.Log(header.SecondaryBlockMinimumDataBlockPointerCount, 2);
ulong dataBlockPointerCount = (ulong)(2 * (header.SecondaryBlockMinimumDataBlockPointerCount - 1));
ulong secondaryBlockPointerCount = header.SecondaryBlockCount - this.SecondaryBlockDataBlockAddressCount;
// signature
var signature = reader.ReadBytes(4);
H5Utils.ValidateSignature(signature, ExtensibleArrayIndexBlock <T> .Signature);
// version
this.Version = reader.ReadByte();
// client ID
this.ClientID = (ClientID)reader.ReadByte();
// header address
this.HeaderAddress = superblock.ReadOffset(reader);
// elements
this.Elements = Enumerable
.Range(0, header.IndexBlockElementsCount)
.Select(i => decode(reader))
.ToArray();
// data block addresses
this.DataBlockAddresses = new ulong[dataBlockPointerCount];
for (ulong i = 0; i < dataBlockPointerCount; i++)
{
this.DataBlockAddresses[i] = superblock.ReadOffset(reader);
}
// secondary block addresses
this.SecondaryBlockAddresses = new ulong[secondaryBlockPointerCount];
for (ulong i = 0; i < secondaryBlockPointerCount; i++)
{
this.SecondaryBlockAddresses[i] = superblock.ReadOffset(reader);
}
// checksum
this.Checksum = reader.ReadUInt32();
}
internal static H5File Open(string filePath, FileMode mode, FileAccess fileAccess, FileShare fileShare, bool deleteOnClose)
{
if (!BitConverter.IsLittleEndian)
{
throw new Exception("This library only works on little endian systems.");
}
var absoluteFilePath = System.IO.Path.GetFullPath(filePath);
var reader = new H5BinaryReader(System.IO.File.Open(absoluteFilePath, mode, fileAccess, fileShare));
// superblock
int stepSize = 512;
var signature = reader.ReadBytes(8);
while (!H5File.ValidateSignature(signature, Superblock.FormatSignature))
{
reader.Seek(stepSize - 8, SeekOrigin.Current);
if (reader.BaseStream.Position >= reader.BaseStream.Length)
{
throw new Exception("The file is not a valid HDF 5 file.");
}
signature = reader.ReadBytes(8);
stepSize *= 2;
}
var version = reader.ReadByte();
var superblock = (Superblock)(version switch
{
0 => new Superblock01(reader, version),
1 => new Superblock01(reader, version),
2 => new Superblock23(reader, version),
3 => new Superblock23(reader, version),
_ => throw new NotSupportedException($"The superblock version '{version}' is not supported.")
});
public SharedMessage(H5BinaryReader reader, Superblock superblock) : base(reader)
{
// H5Oshared.c (H5O__shared_decode)
// version
this.Version = reader.ReadByte();
// type
if (this.Version == 3)
{
this.Type = (SharedMessageLocation)reader.ReadByte();
}
else
{
reader.ReadByte();
this.Type = SharedMessageLocation.AnotherObjectsHeader;
}
// reserved
if (this.Version == 1)
{
reader.ReadBytes(6);
}
// address
if (this.Version == 1)
{
this.Address = superblock.ReadOffset(reader);
}
else
{
/* If this message is in the heap, copy a heap ID.
* Otherwise, it is a named datatype, so copy an H5O_loc_t.
*/
if (this.Type == SharedMessageLocation.SharedObjectHeaderMessageHeap)
{
#warning implement this
throw new NotImplementedException("This code path is not yet implemented.");
}
else
{
this.Address = superblock.ReadOffset(reader);
}
}
}
public ExtensibleArrayDataBlock(H5BinaryReader reader, Superblock superblock, ExtensibleArrayHeader header, ulong elementCount, Func <H5BinaryReader, T> decode)
{
// H5EAdblock.c (H5EA__dblock_alloc)
this.PageCount = 0UL;
if (elementCount > header.DataBlockPageElementsCount)
{
/* Set the # of pages in the data block */
this.PageCount = elementCount / header.DataBlockPageElementsCount;
}
// H5EAcache.c (H5EA__cache_dblock_deserialize)
// signature
var signature = reader.ReadBytes(4);
H5Utils.ValidateSignature(signature, ExtensibleArrayDataBlock <T> .Signature);
// version
this.Version = reader.ReadByte();
// client ID
this.ClientID = (ClientID)reader.ReadByte();
// header address
this.HeaderAddress = superblock.ReadOffset(reader);
// block offset
this.BlockOffset = H5Utils.ReadUlong(reader, header.ArrayOffsetsSize);
// elements
if (this.PageCount == 0)
{
this.Elements = Enumerable
.Range(0, (int)elementCount)
.Select(i => decode(reader))
.ToArray();
}
else
{
this.Elements = new T[0];
}
// checksum
this.Checksum = reader.ReadUInt32();
}
public SharedMessage12(H5BinaryReader reader, Superblock superblock) : base(reader)
{
// version
this.Version = reader.ReadByte();
// type
this.Type = reader.ReadByte();
// reserved
if (this.Version == 1)
{
reader.ReadBytes(6);
}
// address
this.Address = superblock.ReadOffset(reader);
}
public ExtensibleArrayIndexBlock(H5BinaryReader reader, Superblock superblock, ExtensibleArrayHeader header, uint chunkSizeLength)
{
// H5EAiblock.c (H5EA__iblock_alloc)
ulong secondaryBlockDataBlockAddressCount = 2 * (ulong)Math.Log(header.SecondaryBlockMinimumDataBlockPointerCount, 2);
ulong dataBlockPointerCount = (ulong)(2 * (header.SecondaryBlockMinimumDataBlockPointerCount - 1));
ulong secondaryBlockPointerCount = header.SecondaryBlockCount - secondaryBlockDataBlockAddressCount;
// signature
var signature = reader.ReadBytes(4);
H5Utils.ValidateSignature(signature, ExtensibleArrayIndexBlock.Signature);
// version
this.Version = reader.ReadByte();
// client ID
this.ClientID = (ClientID)reader.ReadByte();
// header address
this.HeaderAddress = superblock.ReadOffset(reader);
// elements
this.Elements = ArrayIndexUtils.ReadElements(reader, superblock, header.IndexBlockElementsCount, this.ClientID, chunkSizeLength);
// data block addresses
this.DataBlockAddresses = new ulong[dataBlockPointerCount];
for (ulong i = 0; i < dataBlockPointerCount; i++)
{
this.DataBlockAddresses[i] = superblock.ReadOffset(reader);
}
// secondary block addresses
this.SecondaryBlockAddresses = new ulong[secondaryBlockPointerCount];
for (ulong i = 0; i < secondaryBlockPointerCount; i++)
{
this.SecondaryBlockAddresses[i] = superblock.ReadOffset(reader);
}
// checksum
this.Checksum = reader.ReadUInt32();
}
public FreeSpaceSectionList(H5BinaryReader reader, Superblock superblock) : base(reader)
{
_superblock = superblock;
// signature
var signature = reader.ReadBytes(4);
H5Utils.ValidateSignature(signature, FreeSpaceSectionList.Signature);
// version
this.Version = reader.ReadByte();
// free space manager header address
this.FreeSpaceManagerHeaderAddress = superblock.ReadOffset(reader);
#warning implement everything
// checksum
this.Checksum = reader.ReadUInt32();
}
