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General refactor.

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This commit is contained in:
Natalia Portillo
2018-06-20 22:22:21 +01:00
parent dc1884f5d8
commit ec8b309670
93 changed files with 850 additions and 1015 deletions
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164
DiscImageChef.Filesystems/AppleMFS/Info.cs
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@@ -45,15 +45,13 @@ namespace DiscImageChef.Filesystems.AppleMFS
{
public bool Identify(IMediaImage imagePlugin, Partition partition)
{
ushort drSigWord;
if(2 + partition.Start >= partition.End) return false;
byte[] mdbSector = imagePlugin.ReadSector(2 + partition.Start);
BigEndianBitConverter.IsLittleEndian = BitConverter.IsLittleEndian;
drSigWord = BigEndianBitConverter.ToUInt16(mdbSector, 0x000);
ushort drSigWord = BigEndianBitConverter.ToUInt16(mdbSector, 0x000);
return drSigWord == MFS_MAGIC;
}
@@ -66,8 +64,8 @@ namespace DiscImageChef.Filesystems.AppleMFS
StringBuilder sb = new StringBuilder();
MFS_MasterDirectoryBlock MDB = new MFS_MasterDirectoryBlock();
MFS_BootBlock BB = new MFS_BootBlock();
MFS_MasterDirectoryBlock mdb = new MFS_MasterDirectoryBlock();
MFS_BootBlock bb = new MFS_BootBlock();
byte[] pString = new byte[16];
@@ -76,101 +74,101 @@ namespace DiscImageChef.Filesystems.AppleMFS
BigEndianBitConverter.IsLittleEndian = BitConverter.IsLittleEndian;
MDB.drSigWord = BigEndianBitConverter.ToUInt16(mdbSector, 0x000);
if(MDB.drSigWord != MFS_MAGIC) return;
mdb.drSigWord = BigEndianBitConverter.ToUInt16(mdbSector, 0x000);
if(mdb.drSigWord != MFS_MAGIC) return;
MDB.drCrDate = BigEndianBitConverter.ToUInt32(mdbSector, 0x002);
MDB.drLsBkUp = BigEndianBitConverter.ToUInt32(mdbSector, 0x006);
MDB.drAtrb = BigEndianBitConverter.ToUInt16(mdbSector, 0x00A);
MDB.drNmFls = BigEndianBitConverter.ToUInt16(mdbSector, 0x00C);
MDB.drDirSt = BigEndianBitConverter.ToUInt16(mdbSector, 0x00E);
MDB.drBlLen = BigEndianBitConverter.ToUInt16(mdbSector, 0x010);
MDB.drNmAlBlks = BigEndianBitConverter.ToUInt16(mdbSector, 0x012);
MDB.drAlBlkSiz = BigEndianBitConverter.ToUInt32(mdbSector, 0x014);
MDB.drClpSiz = BigEndianBitConverter.ToUInt32(mdbSector, 0x018);
MDB.drAlBlSt = BigEndianBitConverter.ToUInt16(mdbSector, 0x01C);
MDB.drNxtFNum = BigEndianBitConverter.ToUInt32(mdbSector, 0x01E);
MDB.drFreeBks = BigEndianBitConverter.ToUInt16(mdbSector, 0x022);
MDB.drVNSiz = mdbSector[0x024];
byte[] variableSize = new byte[MDB.drVNSiz + 1];
Array.Copy(mdbSector, 0x024, variableSize, 0, MDB.drVNSiz + 1);
MDB.drVN = StringHandlers.PascalToString(variableSize, Encoding);
mdb.drCrDate = BigEndianBitConverter.ToUInt32(mdbSector, 0x002);
mdb.drLsBkUp = BigEndianBitConverter.ToUInt32(mdbSector, 0x006);
mdb.drAtrb = BigEndianBitConverter.ToUInt16(mdbSector, 0x00A);
mdb.drNmFls = BigEndianBitConverter.ToUInt16(mdbSector, 0x00C);
mdb.drDirSt = BigEndianBitConverter.ToUInt16(mdbSector, 0x00E);
mdb.drBlLen = BigEndianBitConverter.ToUInt16(mdbSector, 0x010);
mdb.drNmAlBlks = BigEndianBitConverter.ToUInt16(mdbSector, 0x012);
mdb.drAlBlkSiz = BigEndianBitConverter.ToUInt32(mdbSector, 0x014);
mdb.drClpSiz = BigEndianBitConverter.ToUInt32(mdbSector, 0x018);
mdb.drAlBlSt = BigEndianBitConverter.ToUInt16(mdbSector, 0x01C);
mdb.drNxtFNum = BigEndianBitConverter.ToUInt32(mdbSector, 0x01E);
mdb.drFreeBks = BigEndianBitConverter.ToUInt16(mdbSector, 0x022);
mdb.drVNSiz = mdbSector[0x024];
byte[] variableSize = new byte[mdb.drVNSiz + 1];
Array.Copy(mdbSector, 0x024, variableSize, 0, mdb.drVNSiz + 1);
mdb.drVN = StringHandlers.PascalToString(variableSize, Encoding);
BB.signature = BigEndianBitConverter.ToUInt16(bbSector, 0x000);
bb.signature = BigEndianBitConverter.ToUInt16(bbSector, 0x000);
if(BB.signature == MFSBB_MAGIC)
if(bb.signature == MFSBB_MAGIC)
{
BB.branch = BigEndianBitConverter.ToUInt32(bbSector, 0x002);
BB.boot_flags = bbSector[0x006];
BB.boot_version = bbSector[0x007];
bb.branch = BigEndianBitConverter.ToUInt32(bbSector, 0x002);
bb.boot_flags = bbSector[0x006];
bb.boot_version = bbSector[0x007];
BB.sec_sv_pages = BigEndianBitConverter.ToInt16(bbSector, 0x008);
bb.sec_sv_pages = BigEndianBitConverter.ToInt16(bbSector, 0x008);
Array.Copy(mdbSector, 0x00A, pString, 0, 16);
BB.system_name = StringHandlers.PascalToString(pString, Encoding);
bb.system_name = StringHandlers.PascalToString(pString, Encoding);
Array.Copy(mdbSector, 0x01A, pString, 0, 16);
BB.finder_name = StringHandlers.PascalToString(pString, Encoding);
bb.finder_name = StringHandlers.PascalToString(pString, Encoding);
Array.Copy(mdbSector, 0x02A, pString, 0, 16);
BB.debug_name = StringHandlers.PascalToString(pString, Encoding);
bb.debug_name = StringHandlers.PascalToString(pString, Encoding);
Array.Copy(mdbSector, 0x03A, pString, 0, 16);
BB.disasm_name = StringHandlers.PascalToString(pString, Encoding);
bb.disasm_name = StringHandlers.PascalToString(pString, Encoding);
Array.Copy(mdbSector, 0x04A, pString, 0, 16);
BB.stupscr_name = StringHandlers.PascalToString(pString, Encoding);
bb.stupscr_name = StringHandlers.PascalToString(pString, Encoding);
Array.Copy(mdbSector, 0x05A, pString, 0, 16);
BB.bootup_name = StringHandlers.PascalToString(pString, Encoding);
bb.bootup_name = StringHandlers.PascalToString(pString, Encoding);
Array.Copy(mdbSector, 0x06A, pString, 0, 16);
BB.clipbrd_name = StringHandlers.PascalToString(pString, Encoding);
bb.clipbrd_name = StringHandlers.PascalToString(pString, Encoding);
BB.max_files = BigEndianBitConverter.ToUInt16(bbSector, 0x07A);
BB.queue_size = BigEndianBitConverter.ToUInt16(bbSector, 0x07C);
BB.heap_128k = BigEndianBitConverter.ToUInt32(bbSector, 0x07E);
BB.heap_256k = BigEndianBitConverter.ToUInt32(bbSector, 0x082);
BB.heap_512k = BigEndianBitConverter.ToUInt32(bbSector, 0x086);
bb.max_files = BigEndianBitConverter.ToUInt16(bbSector, 0x07A);
bb.queue_size = BigEndianBitConverter.ToUInt16(bbSector, 0x07C);
bb.heap_128k = BigEndianBitConverter.ToUInt32(bbSector, 0x07E);
bb.heap_256k = BigEndianBitConverter.ToUInt32(bbSector, 0x082);
bb.heap_512k = BigEndianBitConverter.ToUInt32(bbSector, 0x086);
}
else BB.signature = 0x0000;
else bb.signature = 0x0000;
sb.AppendLine("Apple Macintosh File System");
sb.AppendLine();
sb.AppendLine("Master Directory Block:");
sb.AppendFormat("Creation date: {0}", DateHandlers.MacToDateTime(MDB.drCrDate)).AppendLine();
sb.AppendFormat("Last backup date: {0}", DateHandlers.MacToDateTime(MDB.drLsBkUp)).AppendLine();
if((MDB.drAtrb & 0x80) == 0x80) sb.AppendLine("Volume is locked by hardware.");
if((MDB.drAtrb & 0x8000) == 0x8000) sb.AppendLine("Volume is locked by software.");
sb.AppendFormat("{0} files on volume", MDB.drNmFls).AppendLine();
sb.AppendFormat("First directory sector: {0}", MDB.drDirSt).AppendLine();
sb.AppendFormat("{0} sectors in directory.", MDB.drBlLen).AppendLine();
sb.AppendFormat("{0} volume allocation blocks.", MDB.drNmAlBlks + 1).AppendLine();
sb.AppendFormat("Size of allocation blocks: {0} bytes", MDB.drAlBlkSiz).AppendLine();
sb.AppendFormat("{0} bytes to allocate.", MDB.drClpSiz).AppendLine();
sb.AppendFormat("First allocation block (#2) starts in sector {0}.", MDB.drAlBlSt).AppendLine();
sb.AppendFormat("Next unused file number: {0}", MDB.drNxtFNum).AppendLine();
sb.AppendFormat("{0} unused allocation blocks.", MDB.drFreeBks).AppendLine();
sb.AppendFormat("Volume name: {0}", MDB.drVN).AppendLine();
sb.AppendFormat("Creation date: {0}", DateHandlers.MacToDateTime(mdb.drCrDate)).AppendLine();
sb.AppendFormat("Last backup date: {0}", DateHandlers.MacToDateTime(mdb.drLsBkUp)).AppendLine();
if((mdb.drAtrb & 0x80) == 0x80) sb.AppendLine("Volume is locked by hardware.");
if((mdb.drAtrb & 0x8000) == 0x8000) sb.AppendLine("Volume is locked by software.");
sb.AppendFormat("{0} files on volume", mdb.drNmFls).AppendLine();
sb.AppendFormat("First directory sector: {0}", mdb.drDirSt).AppendLine();
sb.AppendFormat("{0} sectors in directory.", mdb.drBlLen).AppendLine();
sb.AppendFormat("{0} volume allocation blocks.", mdb.drNmAlBlks + 1).AppendLine();
sb.AppendFormat("Size of allocation blocks: {0} bytes", mdb.drAlBlkSiz).AppendLine();
sb.AppendFormat("{0} bytes to allocate.", mdb.drClpSiz).AppendLine();
sb.AppendFormat("First allocation block (#2) starts in sector {0}.", mdb.drAlBlSt).AppendLine();
sb.AppendFormat("Next unused file number: {0}", mdb.drNxtFNum).AppendLine();
sb.AppendFormat("{0} unused allocation blocks.", mdb.drFreeBks).AppendLine();
sb.AppendFormat("Volume name: {0}", mdb.drVN).AppendLine();
if(BB.signature == MFSBB_MAGIC)
if(bb.signature == MFSBB_MAGIC)
{
sb.AppendLine("Volume is bootable.");
sb.AppendLine();
sb.AppendLine("Boot Block:");
if((BB.boot_flags & 0x40) == 0x40) sb.AppendLine("Boot block should be executed.");
if((BB.boot_flags & 0x80) == 0x80) sb.AppendLine("Boot block is in new unknown format.");
if((bb.boot_flags & 0x40) == 0x40) sb.AppendLine("Boot block should be executed.");
if((bb.boot_flags & 0x80) == 0x80) sb.AppendLine("Boot block is in new unknown format.");
else
{
if(BB.sec_sv_pages > 0) sb.AppendLine("Allocate secondary sound buffer at boot.");
else if(BB.sec_sv_pages < 0) sb.AppendLine("Allocate secondary sound and video buffers at boot.");
if(bb.sec_sv_pages > 0) sb.AppendLine("Allocate secondary sound buffer at boot.");
else if(bb.sec_sv_pages < 0) sb.AppendLine("Allocate secondary sound and video buffers at boot.");
sb.AppendFormat("System filename: {0}", BB.system_name).AppendLine();
sb.AppendFormat("Finder filename: {0}", BB.finder_name).AppendLine();
sb.AppendFormat("Debugger filename: {0}", BB.debug_name).AppendLine();
sb.AppendFormat("Disassembler filename: {0}", BB.disasm_name).AppendLine();
sb.AppendFormat("Startup screen filename: {0}", BB.stupscr_name).AppendLine();
sb.AppendFormat("First program to execute at boot: {0}", BB.bootup_name).AppendLine();
sb.AppendFormat("Clipboard filename: {0}", BB.clipbrd_name).AppendLine();
sb.AppendFormat("Maximum opened files: {0}", BB.max_files * 4).AppendLine();
sb.AppendFormat("Event queue size: {0}", BB.queue_size).AppendLine();
sb.AppendFormat("Heap size with 128KiB of RAM: {0} bytes", BB.heap_128k).AppendLine();
sb.AppendFormat("Heap size with 256KiB of RAM: {0} bytes", BB.heap_256k).AppendLine();
sb.AppendFormat("Heap size with 512KiB of RAM or more: {0} bytes", BB.heap_512k).AppendLine();
sb.AppendFormat("System filename: {0}", bb.system_name).AppendLine();
sb.AppendFormat("Finder filename: {0}", bb.finder_name).AppendLine();
sb.AppendFormat("Debugger filename: {0}", bb.debug_name).AppendLine();
sb.AppendFormat("Disassembler filename: {0}", bb.disasm_name).AppendLine();
sb.AppendFormat("Startup screen filename: {0}", bb.stupscr_name).AppendLine();
sb.AppendFormat("First program to execute at boot: {0}", bb.bootup_name).AppendLine();
sb.AppendFormat("Clipboard filename: {0}", bb.clipbrd_name).AppendLine();
sb.AppendFormat("Maximum opened files: {0}", bb.max_files * 4).AppendLine();
sb.AppendFormat("Event queue size: {0}", bb.queue_size).AppendLine();
sb.AppendFormat("Heap size with 128KiB of RAM: {0} bytes", bb.heap_128k).AppendLine();
sb.AppendFormat("Heap size with 256KiB of RAM: {0} bytes", bb.heap_256k).AppendLine();
sb.AppendFormat("Heap size with 512KiB of RAM or more: {0} bytes", bb.heap_512k).AppendLine();
}
}
else sb.AppendLine("Volume is not bootable.");
@@ -178,25 +176,25 @@ namespace DiscImageChef.Filesystems.AppleMFS
information = sb.ToString();
XmlFsType = new FileSystemType();
if(MDB.drLsBkUp > 0)
if(mdb.drLsBkUp > 0)
{
XmlFsType.BackupDate = DateHandlers.MacToDateTime(MDB.drLsBkUp);
XmlFsType.BackupDate = DateHandlers.MacToDateTime(mdb.drLsBkUp);
XmlFsType.BackupDateSpecified = true;
}
XmlFsType.Bootable = BB.signature == MFSBB_MAGIC;
XmlFsType.Clusters = MDB.drNmAlBlks;
XmlFsType.ClusterSize = (int)MDB.drAlBlkSiz;
if(MDB.drCrDate > 0)
XmlFsType.Bootable = bb.signature == MFSBB_MAGIC;
XmlFsType.Clusters = mdb.drNmAlBlks;
XmlFsType.ClusterSize = (int)mdb.drAlBlkSiz;
if(mdb.drCrDate > 0)
{
XmlFsType.CreationDate = DateHandlers.MacToDateTime(MDB.drCrDate);
XmlFsType.CreationDate = DateHandlers.MacToDateTime(mdb.drCrDate);
XmlFsType.CreationDateSpecified = true;
}
XmlFsType.Files = MDB.drNmFls;
XmlFsType.Files = mdb.drNmFls;
XmlFsType.FilesSpecified = true;
XmlFsType.FreeClusters = MDB.drFreeBks;
XmlFsType.FreeClusters = mdb.drFreeBks;
XmlFsType.FreeClustersSpecified = true;
XmlFsType.Type = "MFS";
XmlFsType.VolumeName = MDB.drVN;
XmlFsType.VolumeName = mdb.drVN;
}
}
}