/// <summary>
/// Initializes a new instance of the <see cref="FileExFatDirectoryEntry"/> class.
/// </summary>
/// <param name="buffer">The buffer.</param>
public FileExFatDirectoryEntry(Buffer buffer) : base(buffer)
{
// the raw
SecondaryCount = new BufferUInt8(buffer, 1);
SetChecksum = new BufferUInt16(buffer, 2);
FileAttributes = new EnumValueProvider <ExFatFileAttributes, UInt16>(new BufferUInt16(buffer, 4));
CreationTimeStamp = new BufferUInt32(buffer, 8);
LastWriteTimeStamp = new BufferUInt32(buffer, 12);
LastAccessTimeStamp = new BufferUInt32(buffer, 16);
Creation10msIncrement = new BufferUInt8(buffer, 20);
LastWrite10msIncrement = new BufferUInt8(buffer, 21);
CreationTimeZoneOffset = new BufferUInt8(buffer, 22);
LastWriteTimeZoneOffset = new BufferUInt8(buffer, 23);
LastAccessTimeZoneOffset = new BufferUInt8(buffer, 24);
// the cooked
CreationTime = new EntryDateTime(CreationTimeStamp, Creation10msIncrement);
LastWriteTime = new EntryDateTime(LastWriteTimeStamp, LastWrite10msIncrement);
LastAccessTime = new EntryDateTime(LastAccessTimeStamp);
CreationTimeOffset = new EntryTimeZone(CreationTimeZoneOffset);
LastWriteTimeOffset = new EntryTimeZone(LastWriteTimeZoneOffset);
LastAccessTimeOffset = new EntryTimeZone(LastAccessTimeZoneOffset);
CreationDateTimeOffset = new EntryDateTimeOffset(CreationTime, CreationTimeOffset);
LastWriteDateTimeOffset = new EntryDateTimeOffset(LastWriteTime, LastWriteTimeOffset);
LastAccessDateTimeOffset = new EntryDateTimeOffset(LastAccessTime, LastAccessTimeOffset);
}
private static ExFatDirectoryEntry Create(Buffer buffer)
{
switch ((ExFatDirectoryEntryType)(buffer[0] & (byte)~ExFatDirectoryEntryType.InUse))
{
case 0:
return(null);
case ExFatDirectoryEntryType.AllocationBitmap:
return(new AllocationBitmapExFatDirectoryEntry(buffer));
case ExFatDirectoryEntryType.UpCaseTable:
return(new UpCaseTableExFatDirectoryEntry(buffer));
case ExFatDirectoryEntryType.VolumeLabel:
return(new VolumeLabelExFatDirectoryEntry(buffer));
case ExFatDirectoryEntryType.File:
return(new FileExFatDirectoryEntry(buffer));
case ExFatDirectoryEntryType.Stream:
return(new StreamExtensionExFatDirectoryEntry(buffer));
case ExFatDirectoryEntryType.FileName:
return(new FileNameExtensionExFatDirectoryEntry(buffer));
default:
// unhandled entries
return(new ExFatDirectoryEntry(buffer));
}
}
/// <summary>
/// Initializes a new instance of the <see cref="StreamExtensionExFatDirectoryEntry"/> class.
/// </summary>
/// <param name="buffer">The buffer.</param>
public StreamExtensionExFatDirectoryEntry(Buffer buffer) : base(buffer)
{
GeneralSecondaryFlags = new EnumValueProvider <ExFatGeneralSecondaryFlags, Byte>(new BufferUInt8(buffer, 1));
NameLength = new BufferUInt8(buffer, 3);
NameHash = new BufferUInt16(buffer, 4);
ValidDataLength = new BufferUInt64(buffer, 8);
FirstCluster = new BufferUInt32(buffer, 20);
DataLength = new BufferUInt64(buffer, 24);
}
/// <summary>
/// Creates a <see cref="ExFatDirectoryEntry" /> given a buffer.
/// </summary>
/// <param name="buffer">The buffer.</param>
/// <param name="directoryPosition">The directory position.</param>
/// <returns></returns>
/// <exception cref="System.ArgumentOutOfRangeException"></exception>
public static ExFatDirectoryEntry Create(Buffer buffer, long directoryPosition)
{
var entry = Create(buffer);
if (entry != null)
{
entry.DirectoryPosition = directoryPosition;
}
return(entry);
}
/// <summary>
/// Initializes a new instance of the <see cref="ExFatBootSector"/> class.
/// </summary>
internal ExFatBootSector(byte[] bytes)
{
_bytes = bytes;
var buffer = new Buffer(_bytes);
JmpBoot = new BufferBytes(buffer, 0, 3);
OemName = new BufferByteString(buffer, 3, 8);
VolumeLengthSectors = new BufferUInt64(buffer, 72);
FatOffsetSector = new BufferUInt32(buffer, 80);
FatLengthSectors = new BufferUInt32(buffer, 84);
ClusterOffsetSector = new BufferUInt32(buffer, 88);
ClusterCount = new BufferUInt32(buffer, 92);
RootDirectoryCluster = new BufferUInt32(buffer, 96);
VolumeSerialNumber = new BufferUInt32(buffer, 100);
FileSystemRevision = new BufferUInt16(buffer, 104);
VolumeFlags = new BufferUInt16(buffer, 106);
BytesPerSector = new CacheValueProvider <uint>(new ShiftValueProvider(new BufferUInt8(buffer, 108)));
SectorsPerCluster = new ShiftValueProvider(new BufferUInt8(buffer, 109));
NumberOfFats = new BufferUInt8(buffer, 110);
DriveSelect = new BufferUInt8(buffer, 111);
PercentInUse = new BufferUInt8(buffer, 112);
}
/// <summary>
/// Initializes a new instance of the <see cref="VolumeLabelExFatDirectoryEntry"/> class.
/// </summary>
/// <param name="buffer">The buffer.</param>
public VolumeLabelExFatDirectoryEntry(Buffer buffer) : base(buffer)
{
CharacterCount = new BufferUInt8(buffer, 1);
AllVolumeLabel = new BufferWideString(buffer, 2, 11);
}
/// <inheritdoc />
/// <summary>
/// Initializes a new instance of the <see cref="T:ExFat.Partition.Entries.AllocationBitmapExFatDirectoryEntry" /> class.
/// </summary>
/// <param name="buffer">The buffer.</param>
public AllocationBitmapExFatDirectoryEntry(Buffer buffer) : base(buffer)
{
BitmapFlags = new EnumValueProvider <AllocationBitmapFlags, Byte>(new BufferUInt8(buffer, 1));
FirstCluster = new BufferUInt32(buffer, 20);
DataLength = new BufferUInt64(buffer, 24);
}
/// <inheritdoc />
/// <summary>
/// Initializes a new instance of the <see cref="T:ExFat.Partition.Entries.FileNameExtensionExFatDirectoryEntry" /> class.
/// </summary>
/// <param name="buffer">The buffer.</param>
public FileNameExtensionExFatDirectoryEntry(Buffer buffer) : base(buffer)
{
GeneralSecondaryFlags = new EnumValueProvider <ExFatGeneralSecondaryFlags, Byte>(new BufferUInt8(buffer, 1));
FileName = new BufferWideString(buffer, 2, 15);
}
/// <summary>
/// Initializes a new instance of the <see cref="ExFatDirectoryEntry"/> class.
/// </summary>
/// <param name="buffer">The buffer.</param>
protected ExFatDirectoryEntry(Buffer buffer)
{
Buffer = buffer;
EntryType = new EnumValueProvider <ExFatDirectoryEntryType, Byte>(new BufferUInt8(buffer, 0));
}
/// <inheritdoc />
/// <summary>
/// Initializes a new instance of the <see cref="T:ExFat.Partition.Entries.UpCaseTableExFatDirectoryEntry" /> class.
/// </summary>
/// <param name="buffer">The buffer.</param>
public UpCaseTableExFatDirectoryEntry(Buffer buffer) : base(buffer)
{
TableChecksum = new BufferUInt32(buffer, 4);
FirstCluster = new BufferUInt32(buffer, 20);
DataLength = new BufferUInt64(buffer, 24);
}