internal cFileSystem(DiskType ModeOfDisk, cFloppy FloppyToUse)
{
FAT = new cFAT(ModeOfDisk, FloppyToUse);
cFileFlags RootDirFlags = new cFileFlags();
RootDirFlags.Directory = true;
RootDirectory = new cFileSystemItem("", "", RootDirFlags, true);
WorkingDirectory = RootDirectory;
PathToWorkingDirectory = new List <cFileSystemItem>();
PathToWorkingDirectory.Add(RootDirectory);
}
internal cBinReader(cFloppy NewFloppy)
{
InputFloppy = NewFloppy;
OutputFloppy = new cFloppy(InputFloppy.Sectors.Length);
if (IsBootable(InputFloppy))
{
OutputFS = new cFileSystem(DiskType.Bootable, OutputFloppy);
OutputFS.FAT.InitFat();
InputFAT = new cFAT(DiskType.Bootable, InputFloppy);
}
else
{
OutputFS = new cFileSystem(DiskType.NonBootable, OutputFloppy);
OutputFS.FAT.InitFat();
InputFAT = new cFAT(DiskType.NonBootable, InputFloppy);
}
}
internal ushort ConvertToBinary(cFAT FAT, ushort SupSector)
{
ushort FirstSector;
if (IsDirectory())
{
ushort[] BinDataTemp = new ushort[(this.Items.Count + 1) * Metadata.GetBinaryEntrySize()];
ushort[] Temp;
int TempIndex = 0;
FirstSector = FAT.RegisterSectors(this.GetSizeInSectors(FAT.GetSectorSize(), false));
cFileFlags Flags = new cFileFlags();
Flags.ReadOnly = true;
Flags.Directory = true;
cFileSystemItem DirUp = new cFileSystemItem("..", "", Flags, false);
Temp = DirUp.Metadata.GetDirectoryBinData(SupSector, 0);
for (int i = 0; i < Temp.Length; i++)
{
BinDataTemp[TempIndex] = Temp[i];
TempIndex++;
}
foreach (cFileSystemItem Item in this.Items)
{
Temp = Item.Metadata.GetDirectoryBinData(Item.ConvertToBinary(FAT, FirstSector), Item.GetSizeInWordsForDirEntry());
for (int i = 0; i < Temp.Length; i++)
{
BinDataTemp[TempIndex] = Temp[i];
TempIndex++;
}
}
FAT.WriteData(BinDataTemp, FirstSector);
}
else
{
FirstSector = FAT.RegisterSectors(this.GetSizeInSectors(FAT.GetSectorSize(), false));
FAT.WriteData(this.File.GetData(), FirstSector);
}
return(FirstSector);
}
internal static bool IsValidDirectoryEntry(cSector Sector, int SubIndex, ushort SectorIndex, cFAT FAT)
{
if (SubIndex > Sector.Memory.Length)
{
return(false);
}
for (int i = 0; i < 6; i++)
{
if (Sector.Memory[SubIndex] == 0x0000) //Name
{
return(false);
}
}
uint TempSize = (uint)(Sector.Memory[SubIndex + 0xC] + (Sector.Memory[SubIndex + 0xD] << 16));
if ((TempSize == 0) && ((Sector.Memory[SubIndex + 0x5] & 0x0010) == 0))
{
return(false);
}
if (FAT.NextSector(SectorIndex) == 0x0000)
{
return(false);
}
return(true);
}
