🎨Remove chains of if-else to get media type from it's geometry, plus add

a geometry class with a list of known geometries and ❤️LINQ❤️ queries.
This commit is contained in:
2017-12-28 04:57:26 +00:00
parent 6aba6d36e8
commit 741a3289a2
17 changed files with 1136 additions and 1529 deletions

View File

@@ -43,44 +43,44 @@ namespace DiscImageChef.DiscImages
{
public class SaveDskF : IMediaImage
{
const ushort SDF_MAGIC_OLD = 0x58AA;
const ushort SDF_MAGIC = 0x59AA;
const ushort SDF_MAGIC_OLD = 0x58AA;
const ushort SDF_MAGIC = 0x59AA;
const ushort SDF_MAGIC_COMPRESSED = 0x5AAA;
uint calculatedChk;
byte[] decodedDisk;
uint calculatedChk;
byte[] decodedDisk;
SaveDskFHeader header;
ImageInfo imageInfo;
ImageInfo imageInfo;
public SaveDskF()
{
imageInfo = new ImageInfo
{
ReadableSectorTags = new List<SectorTagType>(),
ReadableMediaTags = new List<MediaTagType>(),
HasPartitions = false,
HasSessions = false,
Version = null,
Application = null,
ApplicationVersion = null,
Creator = null,
Comments = null,
MediaManufacturer = null,
MediaModel = null,
MediaSerialNumber = null,
MediaBarcode = null,
MediaPartNumber = null,
MediaSequence = 0,
LastMediaSequence = 0,
DriveManufacturer = null,
DriveModel = null,
DriveSerialNumber = null,
ReadableSectorTags = new List<SectorTagType>(),
ReadableMediaTags = new List<MediaTagType>(),
HasPartitions = false,
HasSessions = false,
Version = null,
Application = null,
ApplicationVersion = null,
Creator = null,
Comments = null,
MediaManufacturer = null,
MediaModel = null,
MediaSerialNumber = null,
MediaBarcode = null,
MediaPartNumber = null,
MediaSequence = 0,
LastMediaSequence = 0,
DriveManufacturer = null,
DriveModel = null,
DriveSerialNumber = null,
DriveFirmwareRevision = null
};
}
public string Name => "IBM SaveDskF";
public Guid Id => new Guid("288CE058-1A51-4034-8C45-5A256CAE1461");
public string Name => "IBM SaveDskF";
public Guid Id => new Guid("288CE058-1A51-4034-8C45-5A256CAE1461");
public ImageInfo Info => imageInfo;
public string ImageFormat => "IBM SaveDskF";
@@ -103,15 +103,15 @@ namespace DiscImageChef.DiscImages
byte[] hdr = new byte[40];
stream.Read(hdr, 0, 40);
header = new SaveDskFHeader();
header = new SaveDskFHeader();
IntPtr hdrPtr = Marshal.AllocHGlobal(40);
Marshal.Copy(hdr, 0, hdrPtr, 40);
header = (SaveDskFHeader)Marshal.PtrToStructure(hdrPtr, typeof(SaveDskFHeader));
Marshal.FreeHGlobal(hdrPtr);
return (header.magic == SDF_MAGIC || header.magic == SDF_MAGIC_COMPRESSED ||
header.magic == SDF_MAGIC_OLD) && header.fatCopies <= 2 && header.padding == 0 &&
header.commentOffset < stream.Length && header.dataOffset < stream.Length;
return (header.magic == SDF_MAGIC || header.magic == SDF_MAGIC_COMPRESSED ||
header.magic == SDF_MAGIC_OLD) && header.fatCopies <= 2 && header.padding == 0 &&
header.commentOffset < stream.Length && header.dataOffset < stream.Length;
}
public bool OpenImage(IFilter imageFilter)
@@ -122,31 +122,31 @@ namespace DiscImageChef.DiscImages
byte[] hdr = new byte[40];
stream.Read(hdr, 0, 40);
header = new SaveDskFHeader();
header = new SaveDskFHeader();
IntPtr hdrPtr = Marshal.AllocHGlobal(40);
Marshal.Copy(hdr, 0, hdrPtr, 40);
header = (SaveDskFHeader)Marshal.PtrToStructure(hdrPtr, typeof(SaveDskFHeader));
Marshal.FreeHGlobal(hdrPtr);
DicConsole.DebugWriteLine("SaveDskF plugin", "header.magic = 0x{0:X4}", header.magic);
DicConsole.DebugWriteLine("SaveDskF plugin", "header.mediaType = 0x{0:X2}", header.mediaType);
DicConsole.DebugWriteLine("SaveDskF plugin", "header.sectorSize = {0}", header.sectorSize);
DicConsole.DebugWriteLine("SaveDskF plugin", "header.clusterMask = {0}", header.clusterMask);
DicConsole.DebugWriteLine("SaveDskF plugin", "header.clusterShift = {0}", header.clusterShift);
DicConsole.DebugWriteLine("SaveDskF plugin", "header.magic = 0x{0:X4}", header.magic);
DicConsole.DebugWriteLine("SaveDskF plugin", "header.mediaType = 0x{0:X2}", header.mediaType);
DicConsole.DebugWriteLine("SaveDskF plugin", "header.sectorSize = {0}", header.sectorSize);
DicConsole.DebugWriteLine("SaveDskF plugin", "header.clusterMask = {0}", header.clusterMask);
DicConsole.DebugWriteLine("SaveDskF plugin", "header.clusterShift = {0}", header.clusterShift);
DicConsole.DebugWriteLine("SaveDskF plugin", "header.reservedSectors = {0}", header.reservedSectors);
DicConsole.DebugWriteLine("SaveDskF plugin", "header.fatCopies = {0}", header.fatCopies);
DicConsole.DebugWriteLine("SaveDskF plugin", "header.rootEntries = {0}", header.rootEntries);
DicConsole.DebugWriteLine("SaveDskF plugin", "header.firstCluster = {0}", header.firstCluster);
DicConsole.DebugWriteLine("SaveDskF plugin", "header.clustersCopied = {0}", header.clustersCopied);
DicConsole.DebugWriteLine("SaveDskF plugin", "header.sectorsPerFat = {0}", header.sectorsPerFat);
DicConsole.DebugWriteLine("SaveDskF plugin", "header.checksum = 0x{0:X8}", header.checksum);
DicConsole.DebugWriteLine("SaveDskF plugin", "header.cylinders = {0}", header.cylinders);
DicConsole.DebugWriteLine("SaveDskF plugin", "header.heads = {0}", header.heads);
DicConsole.DebugWriteLine("SaveDskF plugin", "header.fatCopies = {0}", header.fatCopies);
DicConsole.DebugWriteLine("SaveDskF plugin", "header.rootEntries = {0}", header.rootEntries);
DicConsole.DebugWriteLine("SaveDskF plugin", "header.firstCluster = {0}", header.firstCluster);
DicConsole.DebugWriteLine("SaveDskF plugin", "header.clustersCopied = {0}", header.clustersCopied);
DicConsole.DebugWriteLine("SaveDskF plugin", "header.sectorsPerFat = {0}", header.sectorsPerFat);
DicConsole.DebugWriteLine("SaveDskF plugin", "header.checksum = 0x{0:X8}", header.checksum);
DicConsole.DebugWriteLine("SaveDskF plugin", "header.cylinders = {0}", header.cylinders);
DicConsole.DebugWriteLine("SaveDskF plugin", "header.heads = {0}", header.heads);
DicConsole.DebugWriteLine("SaveDskF plugin", "header.sectorsPerTrack = {0}", header.sectorsPerTrack);
DicConsole.DebugWriteLine("SaveDskF plugin", "header.padding = {0}", header.padding);
DicConsole.DebugWriteLine("SaveDskF plugin", "header.sectorsCopied = {0}", header.sectorsCopied);
DicConsole.DebugWriteLine("SaveDskF plugin", "header.commentOffset = {0}", header.commentOffset);
DicConsole.DebugWriteLine("SaveDskF plugin", "header.dataOffset = {0}", header.dataOffset);
DicConsole.DebugWriteLine("SaveDskF plugin", "header.padding = {0}", header.padding);
DicConsole.DebugWriteLine("SaveDskF plugin", "header.sectorsCopied = {0}", header.sectorsCopied);
DicConsole.DebugWriteLine("SaveDskF plugin", "header.commentOffset = {0}", header.commentOffset);
DicConsole.DebugWriteLine("SaveDskF plugin", "header.dataOffset = {0}", header.dataOffset);
if(header.dataOffset == 0 && header.magic == SDF_MAGIC_OLD) header.dataOffset = 512;
@@ -161,7 +161,7 @@ namespace DiscImageChef.DiscImages
int b;
do
{
b = stream.ReadByte();
b = stream.ReadByte();
if(b >= 0) calculatedChk += (uint)b;
}
while(b >= 0);
@@ -169,108 +169,17 @@ namespace DiscImageChef.DiscImages
DicConsole.DebugWriteLine("SaveDskF plugin", "Calculated checksum = 0x{0:X8}, {1}", calculatedChk,
calculatedChk == header.checksum);
imageInfo.Application = "SaveDskF";
imageInfo.CreationTime = imageFilter.GetCreationTime();
imageInfo.Application = "SaveDskF";
imageInfo.CreationTime = imageFilter.GetCreationTime();
imageInfo.LastModificationTime = imageFilter.GetLastWriteTime();
imageInfo.MediaTitle = imageFilter.GetFilename();
imageInfo.ImageSize = (ulong)(stream.Length - header.dataOffset);
imageInfo.Sectors = (ulong)(header.sectorsPerTrack * header.heads * header.cylinders);
imageInfo.SectorSize = header.sectorSize;
imageInfo.MediaTitle = imageFilter.GetFilename();
imageInfo.ImageSize = (ulong)(stream.Length - header.dataOffset);
imageInfo.Sectors = (ulong)(header.sectorsPerTrack * header.heads * header.cylinders);
imageInfo.SectorSize = header.sectorSize;
imageInfo.MediaType = MediaType.Unknown;
switch(header.cylinders)
{
case 40:
switch(header.heads)
{
case 1:
switch(header.sectorsPerTrack)
{
case 8:
imageInfo.MediaType = MediaType.DOS_525_SS_DD_8;
break;
case 9:
imageInfo.MediaType = MediaType.DOS_525_SS_DD_9;
break;
}
break;
case 2:
switch(header.sectorsPerTrack)
{
case 8:
imageInfo.MediaType = MediaType.DOS_525_DS_DD_8;
break;
case 9:
imageInfo.MediaType = MediaType.DOS_525_DS_DD_9;
break;
}
break;
}
break;
case 70:
switch(header.heads)
{
case 1:
switch(header.sectorsPerTrack)
{
case 9:
imageInfo.MediaType = MediaType.Apricot_35;
break;
}
break;
}
break;
case 80:
switch(header.heads)
{
case 1:
switch(header.sectorsPerTrack)
{
case 8:
imageInfo.MediaType = MediaType.DOS_35_SS_DD_8;
break;
case 9:
imageInfo.MediaType = MediaType.DOS_35_SS_DD_9;
break;
}
break;
case 2:
switch(header.sectorsPerTrack)
{
case 8:
imageInfo.MediaType = MediaType.DOS_35_DS_DD_8;
break;
case 9:
imageInfo.MediaType = MediaType.DOS_35_DS_DD_9;
break;
case 15:
imageInfo.MediaType = MediaType.DOS_525_HD;
break;
case 18:
imageInfo.MediaType = MediaType.DOS_35_HD;
break;
case 23:
imageInfo.MediaType = MediaType.XDF_35;
break;
case 36:
imageInfo.MediaType = MediaType.DOS_35_ED;
break;
}
break;
}
break;
default:
imageInfo.MediaType = MediaType.Unknown;
break;
}
imageInfo.MediaType =
Geometry.GetMediaType((header.cylinders, (byte)header.heads, header.sectorsPerTrack, header.sectorSize,
MediaEncoding.MFM, false));
imageInfo.XmlMediaType = XmlMediaType.BlockMedia;
@@ -288,8 +197,8 @@ namespace DiscImageChef.DiscImages
decodedDisk = new byte[imageInfo.Sectors * imageInfo.SectorSize];
stream.Read(decodedDisk, 0, (int)(stream.Length - header.dataOffset));
imageInfo.Cylinders = header.cylinders;
imageInfo.Heads = header.heads;
imageInfo.Cylinders = header.cylinders;
imageInfo.Heads = header.heads;
imageInfo.SectorsPerTrack = header.sectorsPerTrack;
return true;
@@ -306,7 +215,7 @@ namespace DiscImageChef.DiscImages
}
public bool? VerifySectors(ulong sectorAddress, uint length, out List<ulong> failingLbas,
out List<ulong> unknownLbas)
out List<ulong> unknownLbas)
{
failingLbas = new List<ulong>();
unknownLbas = new List<ulong>();
@@ -317,7 +226,7 @@ namespace DiscImageChef.DiscImages
}
public bool? VerifySectors(ulong sectorAddress, uint length, uint track, out List<ulong> failingLbas,
out List<ulong> unknownLbas)
out List<ulong> unknownLbas)
{
failingLbas = new List<ulong>();
unknownLbas = new List<ulong>();
@@ -348,7 +257,7 @@ namespace DiscImageChef.DiscImages
byte[] buffer = new byte[length * imageInfo.SectorSize];
Array.Copy(decodedDisk, (int)sectorAddress * imageInfo.SectorSize, buffer, 0,
length * imageInfo.SectorSize);
length * imageInfo.SectorSize);
return buffer;
}