public File(Context context, CatalogNodeId nodeId, CommonCatalogFileInfo catalogInfo)
{
_context = context;
_nodeId = nodeId;
_catalogInfo = catalogInfo;
_hasCompressionAttribute = this._context.Attributes.Find(new AttributeKey(this._nodeId, CompressionAttributeName)) != null;
}
public File(Context context, CatalogNodeId nodeId, CommonCatalogFileInfo catalogInfo)
{
_context = context;
_nodeId = nodeId;
_catalogInfo = catalogInfo;
_hasCompressionAttribute = this._context.Attributes.Find(new AttributeKey(this._nodeId, CompressionAttributeName)) != null;
}
public ExtentKey(CatalogNodeId cnid, uint startBlock, bool resource_fork = false)
{
_keyLength = 10;
_nodeId = cnid;
_startBlock = startBlock;
_forkType = (byte)(resource_fork ? 0xff : 0x00);
}
public int ReadFrom(byte[] buffer, int offset)
{
RecordType = (CatalogRecordType)Utilities.ToInt16BigEndian(buffer, offset + 0);
ParentId = Utilities.ToUInt32BigEndian(buffer, offset + 4);
Name = HfsPlusUtilities.ReadUniStr255(buffer, offset + 8);
return(0);
}
public int ReadFrom(byte[] buffer, int offset)
{
RecordType = (CatalogRecordType)Utilities.ToInt16BigEndian(buffer, offset + 0);
ParentId = Utilities.ToUInt32BigEndian(buffer, offset + 4);
Name = HfsPlusUtilities.ReadUniStr255(buffer, offset + 8);
return 0;
}
public override int ReadFrom(byte[] buffer, int offset)
{
_keyLength = Utilities.ToUInt16BigEndian(buffer, offset + 0);
_forkType = buffer[offset + 2];
_nodeId = new CatalogNodeId(Utilities.ToUInt32BigEndian(buffer, offset + 4));
_startBlock = Utilities.ToUInt32BigEndian(buffer, offset + 8);
return(_keyLength + 2);
}
public override int ReadFrom(byte[] buffer, int offset)
{
_keyLength = EndianUtilities.ToUInt16BigEndian(buffer, offset + 0);
NodeId = new CatalogNodeId(EndianUtilities.ToUInt32BigEndian(buffer, offset + 2));
Name = HfsPlusUtilities.ReadUniStr255(buffer, offset + 6);
return(_keyLength + 2);
}
public HfsPlusFile(Context context, CatalogNodeId nodeId, CommonCatalogFileInfo catalogInfo)
{
this.Context = context;
this.NodeId = nodeId;
this.catalogInfo = catalogInfo;
this.hasCompressionAttribute =
this.Context.Attributes?.Find(new AttributeKey(this.NodeId, CompressionAttributeName)) != null;
}
public override int ReadFrom(byte[] buffer, int offset)
{
_keyLength = Utilities.ToUInt16BigEndian(buffer, offset + 0);
_pad = Utilities.ToUInt16BigEndian(buffer, offset + 2);
_fileId = new CatalogNodeId(Utilities.ToUInt32BigEndian(buffer, offset + 4));
_startBlock = Utilities.ToUInt32BigEndian(buffer, offset + 8);
_name = HfsPlusUtilities.ReadUniStr255(buffer, offset + 12);
return(_keyLength + 2);
}
public virtual int ReadFrom(byte[] buffer, int offset)
{
RecordType = (CatalogRecordType)Utilities.ToInt16BigEndian(buffer, offset + 0);
FileId = Utilities.ToUInt32BigEndian(buffer, offset + 8);
CreateTime = HfsPlusUtilities.ReadHFSPlusDate(DateTimeKind.Utc, buffer, offset + 12);
ContentModifyTime = HfsPlusUtilities.ReadHFSPlusDate(DateTimeKind.Utc, buffer, offset + 16);
AttributeModifyTime = HfsPlusUtilities.ReadHFSPlusDate(DateTimeKind.Utc, buffer, offset + 20);
AccessTime = HfsPlusUtilities.ReadHFSPlusDate(DateTimeKind.Utc, buffer, offset + 24);
BackupTime = HfsPlusUtilities.ReadHFSPlusDate(DateTimeKind.Utc, buffer, offset + 28);
uint special;
FileSystemInfo = HfsPlusUtilities.ReadBsdInfo(buffer, offset + 32, out special);
UnixSpecialField = special;
return 0;
}
public int ReadFrom(byte[] buffer, int offset)
{
Signature = EndianUtilities.ToUInt16BigEndian(buffer, offset + 0);
if (!IsValid)
{
return(Size);
}
Version = EndianUtilities.ToUInt16BigEndian(buffer, offset + 2);
Attributes = (VolumeAttributes)EndianUtilities.ToUInt32BigEndian(buffer, offset + 4);
LastMountedVersion = EndianUtilities.ToUInt32BigEndian(buffer, offset + 8);
JournalInfoBlock = EndianUtilities.ToUInt32BigEndian(buffer, offset + 12);
CreateDate = HfsPlusUtilities.ReadHFSPlusDate(DateTimeKind.Local, buffer, offset + 16);
ModifyDate = HfsPlusUtilities.ReadHFSPlusDate(DateTimeKind.Utc, buffer, offset + 20);
BackupDate = HfsPlusUtilities.ReadHFSPlusDate(DateTimeKind.Utc, buffer, offset + 24);
CheckedDate = HfsPlusUtilities.ReadHFSPlusDate(DateTimeKind.Utc, buffer, offset + 28);
FileCount = EndianUtilities.ToUInt32BigEndian(buffer, offset + 32);
FolderCount = EndianUtilities.ToUInt32BigEndian(buffer, offset + 36);
BlockSize = EndianUtilities.ToUInt32BigEndian(buffer, offset + 40);
TotalBlocks = EndianUtilities.ToUInt32BigEndian(buffer, offset + 44);
FreeBlocks = EndianUtilities.ToUInt32BigEndian(buffer, offset + 48);
NextAllocation = EndianUtilities.ToUInt32BigEndian(buffer, offset + 52);
ResourceClumpSize = EndianUtilities.ToUInt32BigEndian(buffer, offset + 56);
DataClumpSize = EndianUtilities.ToUInt32BigEndian(buffer, offset + 60);
NextCatalogId = new CatalogNodeId(EndianUtilities.ToUInt32BigEndian(buffer, offset + 64));
WriteCount = EndianUtilities.ToUInt32BigEndian(buffer, offset + 68);
EncodingsBitmap = EndianUtilities.ToUInt64BigEndian(buffer, offset + 72);
FinderInfo = new uint[8];
for (int i = 0; i < 8; ++i)
{
FinderInfo[i] = EndianUtilities.ToUInt32BigEndian(buffer, offset + 80 + i * 4);
}
AllocationFile = EndianUtilities.ToStruct <ForkData>(buffer, offset + 112);
ExtentsFile = EndianUtilities.ToStruct <ForkData>(buffer, offset + 192);
CatalogFile = EndianUtilities.ToStruct <ForkData>(buffer, offset + 272);
AttributesFile = EndianUtilities.ToStruct <ForkData>(buffer, offset + 352);
StartupFile = EndianUtilities.ToStruct <ForkData>(buffer, offset + 432);
return(512);
}
public virtual int ReadFrom(byte[] buffer, int offset)
{
RecordType = (CatalogRecordType)EndianUtilities.ToInt16BigEndian(buffer, offset + 0);
FileId = EndianUtilities.ToUInt32BigEndian(buffer, offset + 8);
CreateTime = HfsPlusUtilities.ReadHFSPlusDate(DateTimeKind.Utc, buffer, offset + 12);
ContentModifyTime = HfsPlusUtilities.ReadHFSPlusDate(DateTimeKind.Utc, buffer, offset + 16);
AttributeModifyTime = HfsPlusUtilities.ReadHFSPlusDate(DateTimeKind.Utc, buffer, offset + 20);
AccessTime = HfsPlusUtilities.ReadHFSPlusDate(DateTimeKind.Utc, buffer, offset + 24);
BackupTime = HfsPlusUtilities.ReadHFSPlusDate(DateTimeKind.Utc, buffer, offset + 28);
uint special;
FileSystemInfo = HfsPlusUtilities.ReadBsdInfo(buffer, offset + 32, out special);
UnixSpecialField = special;
return(0);
}
public Symlink(Context context, CatalogNodeId nodeId, CommonCatalogFileInfo catalogInfo)
: base(context, nodeId, catalogInfo)
{
}
/// <summary>
/// Initializes a new instance of the <see cref="FileBuffer"/> class.
/// </summary>
/// <param name="context">
/// The global HFS+ context.
/// </param>
/// <param name="baseData">
/// The <see cref="ForkData"/> structure which represents the base file data.
/// </param>
/// <param name="catalogNodeId">
/// The <see cref="CatalogNodeId"/> which uniquely identifies the file.
/// </param>
public FileBuffer(Context context, ForkData baseData, CatalogNodeId catalogNodeId)
{
this.context = context;
this.baseData = baseData;
this.cnid = catalogNodeId;
}
public AttributeKey(CatalogNodeId nodeId, string name)
{
_fileId = nodeId;
_name = name;
}
public Directory(Context context, CatalogNodeId nodeId, CommonCatalogFileInfo fileInfo)
: base(context, nodeId, fileInfo)
{
}
public AttributeKey(CatalogNodeId nodeId, string name)
{
this.FileId = nodeId;
this.Name = name;
}
public File(Context context, CatalogNodeId nodeId, CommonCatalogFileInfo catalogInfo)
{
_context = context;
_nodeId = nodeId;
_catalogInfo = catalogInfo;
}
public int ReadFrom(byte[] buffer, int offset)
{
Signature = Utilities.ToUInt16BigEndian(buffer, offset + 0);
Version = Utilities.ToUInt16BigEndian(buffer, offset + 2);
Attributes = (VolumeAttributes)Utilities.ToUInt32BigEndian(buffer, offset + 4);
LastMountedVersion = Utilities.ToUInt32BigEndian(buffer, offset + 8);
JournalInfoBlock = Utilities.ToUInt32BigEndian(buffer, offset + 12);
CreateDate = HfsPlusUtilities.ReadHFSPlusDate(DateTimeKind.Local, buffer, offset + 16);
ModifyDate = HfsPlusUtilities.ReadHFSPlusDate(DateTimeKind.Utc, buffer, offset + 20);
BackupDate = HfsPlusUtilities.ReadHFSPlusDate(DateTimeKind.Utc, buffer, offset + 24);
CheckedDate = HfsPlusUtilities.ReadHFSPlusDate(DateTimeKind.Utc, buffer, offset + 28);
FileCount = Utilities.ToUInt32BigEndian(buffer, offset + 32);
FolderCount = Utilities.ToUInt32BigEndian(buffer, offset + 36);
BlockSize = Utilities.ToUInt32BigEndian(buffer, offset + 40);
TotalBlocks = Utilities.ToUInt32BigEndian(buffer, offset + 44);
FreeBlocks = Utilities.ToUInt32BigEndian(buffer, offset + 48);
NextAllocation = Utilities.ToUInt32BigEndian(buffer, offset + 52);
ResourceClumpSize = Utilities.ToUInt32BigEndian(buffer, offset + 56);
DataClumpSize = Utilities.ToUInt32BigEndian(buffer, offset + 60);
NextCatalogId = new CatalogNodeId(Utilities.ToUInt32BigEndian(buffer, offset + 64));
WriteCount = Utilities.ToUInt32BigEndian(buffer, offset + 68);
EncodingsBitmap = Utilities.ToUInt64BigEndian(buffer, offset + 72);
FinderInfo = new uint[8];
for (int i = 0; i < 8; ++i)
{
FinderInfo[i] = Utilities.ToUInt32BigEndian(buffer, offset + 80 + (i * 4));
}
AllocationFile = (ForkData)Utilities.ToStruct<ForkData>(buffer, offset + 112);
ExtentsFile = (ForkData)Utilities.ToStruct<ForkData>(buffer, offset + 192);
CatalogFile = (ForkData)Utilities.ToStruct<ForkData>(buffer, offset + 272);
AttributesFile = (ForkData)Utilities.ToStruct<ForkData>(buffer, offset + 352);
StartupFile = (ForkData)Utilities.ToStruct<ForkData>(buffer, offset + 432);
return 512;
}
public FileBuffer(Context context, ForkData baseData, CatalogNodeId catalogNodeId)
{
_context = context;
_baseData = baseData;
_cnid = catalogNodeId;
}
public FileBuffer(Context context, ForkData baseData, CatalogNodeId catalogNodeId)
{
_context = context;
_baseData = baseData;
_cnid = catalogNodeId;
}
public override int ReadFrom(byte[] buffer, int offset)
{
_keyLength = Utilities.ToUInt16BigEndian(buffer, offset + 0);
_pad = Utilities.ToUInt16BigEndian(buffer, offset + 2);
_fileId = new CatalogNodeId(Utilities.ToUInt32BigEndian(buffer, offset + 4));
_startBlock = Utilities.ToUInt32BigEndian(buffer, offset + 8);
_name = HfsPlusUtilities.ReadUniStr255(buffer, offset + 12);
return _keyLength + 2;
}
public AttributeKey(CatalogNodeId nodeId, string name)
{
_fileId = nodeId;
_name = name;
}
public CatalogKey(CatalogNodeId nodeId, string name)
{
this.NodeId = nodeId;
this.Name = name;
this.keyLength = (ushort)(2 /* keyLength */ + 4 /*nodeId */ + Encoding.BigEndianUnicode.GetByteCount(this.Name));
}
public File(Context context, CatalogNodeId nodeId, CommonCatalogFileInfo catalogInfo)
{
_context = context;
_nodeId = nodeId;
_catalogInfo = catalogInfo;
}
public CatalogKey(CatalogNodeId nodeId, string name)
{
NodeId = nodeId;
Name = name;
}
