Add all Apple HFS structures.

This commit is contained in:
2020-02-19 03:09:35 +00:00
parent 93e704e5ed
commit 177031d7ac
5 changed files with 397 additions and 0 deletions

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@@ -32,6 +32,9 @@
using System.Runtime.InteropServices;
// ReSharper disable IdentifierTypo
// ReSharper disable MemberCanBePrivate.Local
namespace DiscImageChef.Filesystems
{
// Information from Inside Macintosh
@@ -126,5 +129,271 @@ namespace DiscImageChef.Filesystems
/// <summary>0x092, Bytes in the catalog B-Tree 3 HFS extents following, 32 bits each</summary>
public readonly uint drCTFlSize;
}
[StructLayout(LayoutKind.Sequential, Pack = 1)]
struct NodeDescriptor
{
/// <summary>A link to the next node of this type, or <c>null</c> if this is the last one.</summary>
public readonly uint ndFLink;
/// <summary>A link to the previous node of this type, or <c>null</c> if this is the first one.</summary>
public readonly uint ndBLink;
/// <summary>The type of this node.</summary>
public readonly NodeType ndType;
/// <summary>The depth of this node in the B*-tree hierarchy. Maximum depth is apparently 8.</summary>
public readonly sbyte ndNHeight;
/// <summary>The number of records contained in this node.</summary>
public readonly ushort ndNRecs;
/// <summary>Reserved, should be 0.</summary>
public readonly ushort ndResv2;
}
/// <summary>B*-tree header</summary>
[StructLayout(LayoutKind.Sequential, Pack = 1)]
struct BTHdrRed
{
/// <summary>Current depth of tree.</summary>
public readonly ushort bthDepth;
/// <summary>Number of root node.</summary>
public readonly uint bthRoot;
/// <summary>Number of leaf records in tree.</summary>
public readonly uint bthNRecs;
/// <summary>Number of first leaf node.</summary>
public readonly uint bthFNode;
/// <summary>Number of last leaf node.</summary>
public readonly uint bthLNode;
/// <summary>Size of a node.</summary>
public readonly ushort bthNodeSize;
/// <summary>Maximum length of a key.</summary>
public readonly ushort bthKeyLen;
/// <summary>Total number of nodes in tree.</summary>
public readonly uint bthNNodes;
/// <summary>Number of free nodes.</summary>
public readonly uint bthFree;
/// <summary>Reserved</summary>
[MarshalAs(UnmanagedType.ByValArray, SizeConst = 76)]
public readonly sbyte[] bthResv;
}
/// <summary>Catalog key record</summary>
[StructLayout(LayoutKind.Sequential, Pack = 1)]
struct CatKeyRec
{
/// <summary>Key length.</summary>
public readonly sbyte ckrKeyLen;
/// <summary>Reserved.</summary>
public readonly sbyte ckrResrv1;
/// <summary>Parent directory ID.</summary>
public readonly uint ckrParID;
/// <summary>Catalog node name. Full 32 bytes in index nodes but only the needed bytes, padded to word, in leaf nodes.</summary>
[MarshalAs(UnmanagedType.ByValArray, SizeConst = 32)]
public readonly byte[] ckrCName;
}
/// <summary>Catalog data record header</summary>
[StructLayout(LayoutKind.Sequential, Pack = 1)]
struct CatDataRec
{
public readonly CatDataType cdrType;
public readonly sbyte cdrResvr2;
}
/// <summary>Directory record</summary>
[StructLayout(LayoutKind.Sequential, Pack = 1)]
struct CdrDirRec
{
public readonly CatDataRec dirHdr;
/// <summary>Directory flags.</summary>
public readonly ushort dirFlags;
/// <summary>Directory valence.</summary>
public readonly ushort dirVal;
/// <summary>Directory ID.</summary>
public readonly uint dirDirID;
/// <summary>Date and time of creation.</summary>
public readonly uint dirCrDat;
/// <summary>Date and time of last modification.</summary>
public readonly uint dirMdDat;
/// <summary>Date and time of last backup.</summary>
public readonly uint dirBkDat;
/// <summary>Finder information.</summary>
public readonly DInfo dirUsrInfo;
/// <summary>Additional Finder information.</summary>
public readonly DXInfo dirFndrInfo;
/// <summary>Reserved</summary>
[MarshalAs(UnmanagedType.ByValArray, SizeConst = 4)]
public readonly uint[] dirResrv;
}
/// <summary>File record</summary>
[StructLayout(LayoutKind.Sequential, Pack = 1)]
struct CdrFilRec
{
public readonly CatDataRec filHdr;
/// <summary>File flags.</summary>
public readonly sbyte filFlags;
/// <summary>File type.</summary>
public readonly sbyte filType;
/// <summary>Finder information.</summary>
public readonly FInfo filUsrWds;
/// <summary>File ID.</summary>
public readonly uint filFlNum;
/// <summary>First allocation block of data fork.</summary>
public readonly ushort filStBlk;
/// <summary>Logical EOF of data fork.</summary>
public readonly uint filLgLen;
/// <summary>Physical EOF of data fork.</summary>
public readonly uint filPyLen;
/// <summary>First allocation block of resource fork.</summary>
public readonly ushort filRStBlk;
/// <summary>Logical EOF of resource fork.</summary>
public readonly uint filRLgLen;
/// <summary>Physical EOF of resource fork.</summary>
public readonly uint filRPyLen;
/// <summary>Date and time of creation.</summary>
public readonly uint filCrDat;
/// <summary>Date and time of last modification.</summary>
public readonly uint filMdDat;
/// <summary>Date and time of last backup.</summary>
public readonly uint filBkDat;
/// <summary>Additional Finder information.</summary>
public readonly FXInfo filFndrInfo;
/// <summary>File clump size.</summary>
public readonly ushort filClpSize;
/// <summary>First data fork extent record.</summary>
public readonly ExtDataRec filExtRec;
/// <summary>First resource fork extent record.</summary>
public readonly ExtDataRec filRExtRec;
/// <summary>Reserved</summary>
public readonly uint filResrv;
}
/// <summary>Directory thread record</summary>
[StructLayout(LayoutKind.Sequential, Pack = 1)]
struct CdrThdRec
{
public readonly CatDataRec thdHdr;
/// <summary>Reserved.</summary>
[MarshalAs(UnmanagedType.ByValArray, SizeConst = 2)]
public readonly uint[] thdResrv;
/// <summary>Parent ID for this directory.</summary>
public readonly uint thdParID;
/// <summary>Name of this directory.</summary>
[MarshalAs(UnmanagedType.ByValArray, SizeConst = 32)]
public readonly byte[] thdCName;
}
/// <summary>File thread record</summary>
[StructLayout(LayoutKind.Sequential, Pack = 1)]
struct CdrFThdRec
{
public readonly CatDataRec fthdHdr;
/// <summary>Reserved.</summary>
[MarshalAs(UnmanagedType.ByValArray, SizeConst = 2)]
public readonly uint[] fthdResrv;
/// <summary>Parent ID for this file.</summary>
public readonly uint fthdParID;
/// <summary>Name of this file.</summary>
[MarshalAs(UnmanagedType.ByValArray, SizeConst = 32)]
public readonly byte[] fthdCName;
}
/// <summary>Extent descriptor</summary>
[StructLayout(LayoutKind.Sequential, Pack = 1)]
struct ExtDescriptor
{
/// <summary>First allocation block</summary>
public readonly ushort xdrStABN;
/// <summary>Number of allocation blocks</summary>
public readonly ushort xdrNumABlks;
}
/// <summary>Extent data record</summary>
[StructLayout(LayoutKind.Sequential, Pack = 1)]
struct ExtDataRec
{
[MarshalAs(UnmanagedType.ByValArray, SizeConst = 3)]
public readonly ExtDescriptor[] xdr;
}
/// <summary>Extent key record</summary>
[StructLayout(LayoutKind.Sequential, Pack = 1)]
struct ExtKeyRec
{
/// <summary>Key length.</summary>
public readonly sbyte xkrKeyLen;
/// <summary>Fork type.</summary>
public readonly ForkType xkrFkType;
/// <summary>File number.</summary>
public readonly uint xkrFNum;
/// <summary>Starting file allocation block.</summary>
public readonly ushort xkrFABN;
}
struct Point
{
public ushort v;
public ushort h;
}
struct Rect
{
public ushort top;
public ushort left;
public ushort bottom;
public ushort right;
}
struct FInfo
{
/// <summary>The type of the file.</summary>
public uint fdType;
/// <summary>The file's creator.</summary>
public uint fdCreator;
/// <summary>Flags.</summary>
public FinderFlags fdFlags;
/// <summary>File's location in the folder.</summary>
public Point fdLocation;
/// <summary>Folder file belongs to (used only in flat filesystems like MFS).</summary>
public FinderFolder fdFldr;
}
struct FXInfo
{
/// <summary>Resource fork ID of file icon.</summary>
public ushort fdIconID;
[MarshalAs(UnmanagedType.ByValArray, SizeConst = 6)]
public byte[] fdUnused;
/// <summary>Extended flags. If high-bit is set, most significant byte is script code and least significant byte are flags.</summary>
public ExtendedFinderFlags fdXFlags;
/// <summary>Resource fork ID of directory comment if high bit is clear.</summary>
public ushort fdComment;
/// <summary>Put away folder ID.</summary>
public uint fdPutAway;
}
struct DInfo
{
/// <summary>Position and dimensions of the folder's window.</summary>
public Rect frRect;
/// <summary>Flags.</summary>
public FinderFlags frFlags;
/// <summary>Folder's location in the parent folder.</summary>
public Point frLocation;
/// <summary>Finder view selected for folder.</summary>
public ushort frView;
}
struct DXInfo
{
/// <summary>Scroll position for icon views.</summary>
public Point frScroll;
/// <summary>Directory ID chain of open folders.</summary>
public uint frOpenChain;
/// <summary>Extended flags. If high-bit is set, most significant byte is script code and least significant byte are flags.</summary>
public ExtendedFinderFlags frXFlags;
/// <summary>Resource fork ID of directory comment if high bit is clear.</summary>
public ushort frComment;
/// <summary>Put away folder ID.</summary>
public uint frPutAway;
}
}
}