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REFACTOR: Final cleanup of DiscImageChef.Filters.

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This commit is contained in:
Natalia Portillo
2017-12-24 02:43:49 +00:00
parent 4115698ac8
commit f9cc6e6918
13 changed files with 495 additions and 487 deletions
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148
DiscImageChef.Filters/PCExchange.cs
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@@ -40,82 +40,22 @@ using System.Text;
namespace DiscImageChef.Filters
{
/// <summary>
/// Decodes PCExchange files
/// Decodes PCExchange files
/// </summary>
public class PCExchange : Filter
{
const string FILE_ID = "FILEID.DAT";
const string FINDER_INFO = "FINDER.DAT";
const string RESOURCES = "RESOURCE.FRK";
[StructLayout(LayoutKind.Sequential, Pack = 1)]
struct PCExchangeEntry
{
/// <summary>
/// Name in Macintosh. If PCExchange version supports FAT's LFN they are the same.
/// Illegal characters for FAT get substituted with '_' both here and in FAT's LFN entry.
/// </summary>
[MarshalAs(UnmanagedType.ByValArray, SizeConst = 32)] public byte[] macName;
/// <summary>
/// File type
/// </summary>
public uint type;
/// <summary>
/// File creator
/// </summary>
public uint creator;
/// <summary>
/// Finder flags
/// </summary>
public ushort fdFlags;
/// <summary>
/// File's icon vertical position within its window
/// </summary>
public ushort verticalPosition;
/// <summary>
/// File's icon horizontal position within its window
/// </summary>
public ushort horizontalPosition;
/// <summary>
/// Unknown, all bytes are empty but last, except in volume's label entry
/// </summary>
[MarshalAs(UnmanagedType.ByValArray, SizeConst = 18)] public byte[] unknown1;
/// <summary>
/// File's creation date
/// </summary>
public uint creationDate;
/// <summary>
/// File's modification date
/// </summary>
public uint modificationDate;
/// <summary>
/// File's last backup date
/// </summary>
public uint backupDate;
/// <summary>
/// Unknown, but is unique, starts 0x7FFFFFFF and counts in reverse.
/// Probably file ID for alias look up?
/// </summary>
public uint unknown2;
/// <summary>
/// Name as in FAT entry (not LFN).
/// Resource fork file is always using this name, never LFN.
/// </summary>
[MarshalAs(UnmanagedType.ByValArray, SizeConst = 11)] public byte[] dosName;
/// <summary>
/// Unknown, flags?
/// </summary>
public byte unknown3;
}
bool opened;
string basePath;
string dataPath;
string rsrcPath;
DateTime lastWriteTime;
DateTime creationTime;
long dataLen;
string dataPath;
DateTime lastWriteTime;
bool opened;
long rsrcLen;
string rsrcPath;
public PCExchange()
{
@@ -203,7 +143,8 @@ namespace DiscImageChef.Filters
{
string parentFolder = Path.GetDirectoryName(path);
if(!File.Exists(Path.Combine(parentFolder ?? throw new InvalidOperationException(), FINDER_INFO))) return false;
if(!File.Exists(Path.Combine(parentFolder ?? throw new InvalidOperationException(), FINDER_INFO)))
return false;
if(!Directory.Exists(Path.Combine(parentFolder, RESOURCES))) return false;
@@ -233,9 +174,10 @@ namespace DiscImageChef.Filters
if(baseFilename != macName && baseFilename != dosName && baseFilename != dosNameLow) continue;
dataFound |= File.Exists(Path.Combine(parentFolder, macName ?? throw new InvalidOperationException())) ||
File.Exists(Path.Combine(parentFolder, dosName)) ||
File.Exists(Path.Combine(parentFolder, dosNameLow));
dataFound |=
File.Exists(Path.Combine(parentFolder, macName ?? throw new InvalidOperationException())) ||
File.Exists(Path.Combine(parentFolder, dosName)) ||
File.Exists(Path.Combine(parentFolder, dosNameLow));
rsrcFound |= File.Exists(Path.Combine(parentFolder, RESOURCES, dosName)) ||
File.Exists(Path.Combine(parentFolder, RESOURCES, dosNameLow));
@@ -269,7 +211,8 @@ namespace DiscImageChef.Filters
string baseFilename = Path.GetFileName(path);
FileStream finderDatStream =
new FileStream(Path.Combine(parentFolder ?? throw new InvalidOperationException(), FINDER_INFO), FileMode.Open, FileAccess.Read);
new FileStream(Path.Combine(parentFolder ?? throw new InvalidOperationException(), FINDER_INFO),
FileMode.Open, FileAccess.Read);
while(finderDatStream.Position + 0x5C <= finderDatStream.Length)
{
@@ -288,7 +231,8 @@ namespace DiscImageChef.Filters
if(baseFilename != macName && baseFilename != dosName && baseFilename != dosNameLow) continue;
if(File.Exists(Path.Combine(parentFolder, macName ?? throw new InvalidOperationException()))) dataPath = Path.Combine(parentFolder, macName);
if(File.Exists(Path.Combine(parentFolder, macName ?? throw new InvalidOperationException())))
dataPath = Path.Combine(parentFolder, macName);
else if(File.Exists(Path.Combine(parentFolder, dosName)))
dataPath = Path.Combine(parentFolder, dosName);
else if(File.Exists(Path.Combine(parentFolder, dosNameLow)))
@@ -315,5 +259,65 @@ namespace DiscImageChef.Filters
finderDatStream.Close();
}
[StructLayout(LayoutKind.Sequential, Pack = 1)]
struct PCExchangeEntry
{
/// <summary>
/// Name in Macintosh. If PCExchange version supports FAT's LFN they are the same.
/// Illegal characters for FAT get substituted with '_' both here and in FAT's LFN entry.
/// </summary>
[MarshalAs(UnmanagedType.ByValArray, SizeConst = 32)] public byte[] macName;
/// <summary>
/// File type
/// </summary>
public uint type;
/// <summary>
/// File creator
/// </summary>
public uint creator;
/// <summary>
/// Finder flags
/// </summary>
public ushort fdFlags;
/// <summary>
/// File's icon vertical position within its window
/// </summary>
public ushort verticalPosition;
/// <summary>
/// File's icon horizontal position within its window
/// </summary>
public ushort horizontalPosition;
/// <summary>
/// Unknown, all bytes are empty but last, except in volume's label entry
/// </summary>
[MarshalAs(UnmanagedType.ByValArray, SizeConst = 18)] public byte[] unknown1;
/// <summary>
/// File's creation date
/// </summary>
public uint creationDate;
/// <summary>
/// File's modification date
/// </summary>
public uint modificationDate;
/// <summary>
/// File's last backup date
/// </summary>
public uint backupDate;
/// <summary>
/// Unknown, but is unique, starts 0x7FFFFFFF and counts in reverse.
/// Probably file ID for alias look up?
/// </summary>
public uint unknown2;
/// <summary>
/// Name as in FAT entry (not LFN).
/// Resource fork file is always using this name, never LFN.
/// </summary>
[MarshalAs(UnmanagedType.ByValArray, SizeConst = 11)] public byte[] dosName;
/// <summary>
/// Unknown, flags?
/// </summary>
public byte unknown3;
}
}
}