REFACTOR: Final cleanup of DiscImageChef.Filters.

This commit is contained in:
2017-12-24 02:43:49 +00:00
parent 4115698ac8
commit f9cc6e6918
13 changed files with 495 additions and 487 deletions

View File

@@ -39,143 +39,22 @@ namespace DiscImageChef.Filters
{
// TODO: Interpret fdScript
/// <summary>
/// Decodes MacBinary files
/// Decodes MacBinary files
/// </summary>
public class MacBinary : Filter
{
[StructLayout(LayoutKind.Sequential, Pack = 1)]
struct MacBinaryHeader
{
/// <summary>
/// 0x00, MacBinary version, 0
/// </summary>
public byte version;
/// <summary>
/// 0x01, Str63 Pascal filename
/// </summary>
[MarshalAs(UnmanagedType.ByValArray, SizeConst = 64)] public byte[] filename;
/// <summary>
/// 0x41, File type
/// </summary>
public uint type;
/// <summary>
/// 0x45, File creator
/// </summary>
public uint creator;
/// <summary>
/// 0x49, High byte of Finder flags
/// </summary>
public byte finderFlags;
/// <summary>
/// 0x4A, Must be 0
/// </summary>
public byte zero1;
/// <summary>
/// 0x4B, File's icon vertical position within its window
/// </summary>
public ushort verticalPosition;
/// <summary>
/// 0x4D, File's icon horizontal position within its window
/// </summary>
public ushort horizontalPosition;
/// <summary>
/// 0x4F, File's window or folder ID
/// </summary>
public short windowID;
/// <summary>
/// 0x51, Protected flag
/// </summary>
public byte protect;
/// <summary>
/// 0x52, Must be 0
/// </summary>
public byte zero2;
/// <summary>
/// 0x53, Size of data fork
/// </summary>
public uint dataLength;
/// <summary>
/// 0x57, Size of resource fork
/// </summary>
public uint resourceLength;
/// <summary>
/// 0x5B, File's creation time
/// </summary>
public uint creationTime;
/// <summary>
/// 0x5F, File's last modified time
/// </summary>
public uint modificationTime;
/// <summary>
/// 0x63, Length of Get Info comment
/// </summary>
public ushort commentLength;
/// <summary>
/// 0x65, Low byte of Finder flags
/// </summary>
public byte finderFlags2;
#region MacBinary III
/// <summary>
/// 0x66, magic identifier, "mBIN"
/// </summary>
public uint magic;
/// <summary>
/// 0x6A, fdScript from fxInfo, identifies codepage of filename
/// </summary>
public byte fdScript;
/// <summary>
/// 0x6B, fdXFlags from fxInfo, extended Mac OS 8 finder flags
/// </summary>
public byte fdXFlags;
#endregion MacBinary III
/// <summary>
/// 0x6C, unused
/// </summary>
public ulong reserved;
/// <summary>
/// 0x74, Total unpacked files
/// </summary>
public uint totalPackedFiles;
#region MacBinary II
/// <summary>
/// 0x78, Length of secondary header
/// </summary>
public ushort secondaryHeaderLength;
/// <summary>
/// 0x7A, version number of MacBinary that wrote this file, starts at 129
/// </summary>
public byte version2;
/// <summary>
/// 0x7B, version number of MacBinary required to open this file, starts at 129
/// </summary>
public byte minVersion;
/// <summary>
/// 0x7C, CRC of previous bytes
/// </summary>
public short crc;
#endregion MacBinary II
/// <summary>
/// 0x7E, Reserved for computer type and OS ID
/// </summary>
public short computerID;
}
const uint MACBINARY_MAGIC = 0x6D42494E;
string basePath;
byte[] bytes;
DateTime creationTime;
long dataForkOff;
long rsrcForkOff;
byte[] bytes;
Stream stream;
bool isBytes, isStream, isPath, opened;
string basePath;
DateTime lastWriteTime;
DateTime creationTime;
MacBinaryHeader header;
string filename;
MacBinaryHeader header;
bool isBytes, isStream, isPath, opened;
DateTime lastWriteTime;
long rsrcForkOff;
Stream stream;
public MacBinary()
{
@@ -278,8 +157,7 @@ namespace DiscImageChef.Filters
header = BigEndianMarshal.ByteArrayToStructureBigEndian<MacBinaryHeader>(hdr_b);
return header.magic == MACBINARY_MAGIC || header.version == 0 && header.filename[0] > 0 &&
header.filename[0] < 64 && header.zero1 == 0 &&
header.zero2 == 0 && header.reserved == 0 &&
header.filename[0] < 64 && header.zero1 == 0 && header.zero2 == 0 && header.reserved == 0 &&
(header.dataLength > 0 || header.resourceLength > 0);
}
@@ -293,8 +171,7 @@ namespace DiscImageChef.Filters
header = BigEndianMarshal.ByteArrayToStructureBigEndian<MacBinaryHeader>(hdr_b);
return header.magic == MACBINARY_MAGIC || header.version == 0 && header.filename[0] > 0 &&
header.filename[0] < 64 && header.zero1 == 0 &&
header.zero2 == 0 && header.reserved == 0 &&
header.filename[0] < 64 && header.zero1 == 0 && header.zero2 == 0 && header.reserved == 0 &&
(header.dataLength > 0 || header.resourceLength > 0);
}
@@ -309,8 +186,7 @@ namespace DiscImageChef.Filters
fstream.Close();
return header.magic == MACBINARY_MAGIC || header.version == 0 && header.filename[0] > 0 &&
header.filename[0] < 64 && header.zero1 == 0 &&
header.zero2 == 0 && header.reserved == 0 &&
header.filename[0] < 64 && header.zero1 == 0 && header.zero2 == 0 && header.reserved == 0 &&
(header.dataLength > 0 || header.resourceLength > 0);
}
@@ -398,5 +274,126 @@ namespace DiscImageChef.Filters
isPath = true;
basePath = path;
}
[StructLayout(LayoutKind.Sequential, Pack = 1)]
struct MacBinaryHeader
{
/// <summary>
/// 0x00, MacBinary version, 0
/// </summary>
public byte version;
/// <summary>
/// 0x01, Str63 Pascal filename
/// </summary>
[MarshalAs(UnmanagedType.ByValArray, SizeConst = 64)] public byte[] filename;
/// <summary>
/// 0x41, File type
/// </summary>
public uint type;
/// <summary>
/// 0x45, File creator
/// </summary>
public uint creator;
/// <summary>
/// 0x49, High byte of Finder flags
/// </summary>
public byte finderFlags;
/// <summary>
/// 0x4A, Must be 0
/// </summary>
public byte zero1;
/// <summary>
/// 0x4B, File's icon vertical position within its window
/// </summary>
public ushort verticalPosition;
/// <summary>
/// 0x4D, File's icon horizontal position within its window
/// </summary>
public ushort horizontalPosition;
/// <summary>
/// 0x4F, File's window or folder ID
/// </summary>
public short windowID;
/// <summary>
/// 0x51, Protected flag
/// </summary>
public byte protect;
/// <summary>
/// 0x52, Must be 0
/// </summary>
public byte zero2;
/// <summary>
/// 0x53, Size of data fork
/// </summary>
public uint dataLength;
/// <summary>
/// 0x57, Size of resource fork
/// </summary>
public uint resourceLength;
/// <summary>
/// 0x5B, File's creation time
/// </summary>
public uint creationTime;
/// <summary>
/// 0x5F, File's last modified time
/// </summary>
public uint modificationTime;
/// <summary>
/// 0x63, Length of Get Info comment
/// </summary>
public ushort commentLength;
/// <summary>
/// 0x65, Low byte of Finder flags
/// </summary>
public byte finderFlags2;
#region MacBinary III
/// <summary>
/// 0x66, magic identifier, "mBIN"
/// </summary>
public uint magic;
/// <summary>
/// 0x6A, fdScript from fxInfo, identifies codepage of filename
/// </summary>
public byte fdScript;
/// <summary>
/// 0x6B, fdXFlags from fxInfo, extended Mac OS 8 finder flags
/// </summary>
public byte fdXFlags;
#endregion MacBinary III
/// <summary>
/// 0x6C, unused
/// </summary>
public ulong reserved;
/// <summary>
/// 0x74, Total unpacked files
/// </summary>
public uint totalPackedFiles;
#region MacBinary II
/// <summary>
/// 0x78, Length of secondary header
/// </summary>
public ushort secondaryHeaderLength;
/// <summary>
/// 0x7A, version number of MacBinary that wrote this file, starts at 129
/// </summary>
public byte version2;
/// <summary>
/// 0x7B, version number of MacBinary required to open this file, starts at 129
/// </summary>
public byte minVersion;
/// <summary>
/// 0x7C, CRC of previous bytes
/// </summary>
public short crc;
#endregion MacBinary II
/// <summary>
/// 0x7E, Reserved for computer type and OS ID
/// </summary>
public short computerID;
}
}
}