private HuFileEntry GetFileEntry(string Filename, int EntrySector)
{
int Sector = EntrySector;
Filename = Filename.ToUpper();
// 名前
string Name = Path.GetFileNameWithoutExtension(Filename);
if (Name.Length > HuFileEntry.MaxNameLength)
{
Name = Name.Substring(0, HuFileEntry.MaxNameLength);
}
// 拡張子
string Extension = Path.GetExtension(Filename);
if (Extension.Length > 0)
{
Extension = Extension.Substring(1);
}
if (Extension.Length > HuFileEntry.MaxExtensionLength)
{
Extension = Extension.Substring(0, HuFileEntry.MaxExtensionLength);
}
Filename = Name + "." + Extension;
for (int i = 0; i < ClusterPerSector; i++, Sector++)
{
var dc = DiskImage.GetDataControllerForRead(Sector);
for (var j = 0; j < EntriesInSector; j++)
{
int pos = (j * FileEntrySize);
var mode = dc.GetByte(pos);
if (mode == EntryEnd)
{
return(null);
}
string EntryName = TextEncoding.GetString(dc.Copy(pos + 0x01, HuFileEntry.MaxNameLength)).TrimEnd((Char)0x20);
string EntryExtension = TextEncoding.GetString(dc.Copy(pos + 0x0e, HuFileEntry.MaxExtensionLength)).TrimEnd((Char)0x20);
string EntryFilename = (EntryName + "." + EntryExtension).ToUpper();
if (Filename != EntryFilename)
{
continue;
}
return(GetEntry(dc, Sector, pos));
}
}
return(null);
}
private HuFileEntry GetNewFileEntry(int Sector)
{
for (int i = 0; i < ClusterPerSector; i++)
{
var dc = DiskImage.GetDataControllerForRead(Sector + i);
for (var j = 0; j < EntriesInSector; j++)
{
int pos = (j * FileEntrySize);
var mode = dc.GetByte(pos);
if (mode != EntryEnd && mode != EntryDelete)
{
continue;
}
return(new HuFileEntry {
EntrySector = Sector + i,
EntryPosition = pos
});
}
}
return(null);
}
public List <HuFileEntry> GetEntriesFromSector(int Sector)
{
List <HuFileEntry> FileList = new List <HuFileEntry>();
for (int i = 0; i < ClusterPerSector; i++, Sector++)
{
var dc = DiskImage.GetDataControllerForRead(Sector);
for (var j = 0; j < 8; j++)
{
int pos = (j * 0x20);
var mode = dc.GetByte(pos);
if (mode == EntryEnd)
{
return(FileList);
}
if (mode == EntryDelete)
{
continue;
}
FileList.Add(GetEntry(dc, Sector, pos));
}
}
return(FileList);
}
