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Added support for LisaFS v2.

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This commit is contained in:
Natalia Portillo
2016-07-28 04:12:49 +01:00
parent 0484d66c14
commit 99c567d3b3
5 changed files with 95 additions and 17 deletions
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62
DiscImageChef.Filesystems/LisaFS/Dir.cs
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@@ -93,6 +93,68 @@ namespace DiscImageChef.Filesystems.LisaFS
if(catalogCache.TryGetValue(fileId, out catalog))
return Errno.NoError;
Errno error;
if(mddf.fsversion == LisaFSv2)
{
if(fileId != FILEID_DIRECTORY)
{
ExtentFile ext;
error = ReadExtentsFile(fileId, out ext);
if(error == Errno.NoError)
return Errno.NotDirectory;
}
byte[] buf;
error = ReadFile(4, out buf);
int offset = 0;
List<CatalogEntryV2> catalogV2 = new List<CatalogEntryV2>();
while(offset + 54 < buf.Length)
{
CatalogEntryV2 entV2 = new CatalogEntryV2();
entV2.filenameLen = buf[offset];
entV2.filename = new byte[E_NAME];
Array.Copy(buf, offset + 0x01, entV2.filename, 0, E_NAME);
entV2.unknown1 = buf[offset + 0x21];
entV2.fileType = buf[offset + 0x22];
entV2.unknown2 = buf[offset + 0x23];
entV2.fileID = BigEndianBitConverter.ToInt16(buf, offset + 0x24);
entV2.unknown3 = new byte[16];
Array.Copy(buf, offset + 0x26, entV2.unknown3, 0, 16);
offset += 54;
if(entV2.filenameLen != 0 && entV2.filenameLen <= E_NAME && entV2.fileType != 0 && entV2.fileID > 0)
catalogV2.Add(entV2);
}
catalog = new List<CatalogEntry>();
foreach(CatalogEntryV2 entV2 in catalogV2)
{
ExtentFile ext;
error = ReadExtentsFile(entV2.fileID, out ext);
if(error == Errno.NoError)
{
CatalogEntry entV3 = new CatalogEntry();
entV3.fileID = entV2.fileID;
entV3.filename = new byte[32];
Array.Copy(entV2.filename, 0, entV3.filename, 0, entV2.filenameLen);
entV3.fileType = entV2.fileType;
entV3.length = (int)srecords[entV2.fileID].filesize;
entV3.dtc = ext.dtc;
entV3.dtm = ext.dtm;
catalog.Add(entV3);
}
}
catalogCache.Add(fileId, catalog);
return Errno.NoError;
}
byte[] firstCatalogBlock = null;
for(ulong i = 0; i < device.GetSectors(); i++)