public static bool EnumFileSys(IEnumDir iterator)
{
DirRec dir = GetByPath("CD:ROOT");
return(EnumDir("CD:ROOT", dir, iterator));
}
public static bool EnumDir(string url, DirRec dir, IEnumDir iterator)
{
int pos = dir.LbaData * 2048;
int end = pos + dir.LenData;
pos += RamDisk.GetU8(pos); // skip current directory
pos += RamDisk.GetU8(pos); // skip parent directory
while (pos < end)
{
byte len = RamDisk.GetU8(pos);
if (len == 0)
{
pos = ((pos / 2048) + 1) * 2048;
}
else
{
string key = url + "/" + GetRecordFileName(pos);
DirRec rec = null;
if (Records.ContainsKey(key))
{
rec = Records[key];
}
else
{
rec = new DirRec(key, pos);
Model.SetPos(key, pos);
Model.SetLen(key, rec.LenData);
Model.SetRec(key, rec);
string name = rec.GetFileName();
int lba = rec.LbaData;
int num = (rec.LenData + 2047) / 2048;
if (rec.FileFlags_Directory)
{
for (int i = 0; i < num; i++)
{
RamDisk.Read(lba + i);
}
}
else
{
for (int i = 0; i < num; i++)
{
if (RamDisk.map[lba + i] == 0)
{
RamDisk.map[lba + i] = 0x6F;
}
}
}
try {
Records.Add(key, rec);
Path2Pos.Add(key, rec.GetPos());
Lba2Path.Add(lba, key);
Publisher.Register(key, rec);
} catch (Exception e) {
Logger.Warn("Cannot register " + name + " " + e.Message);
}
}
if (rec.FileFlags_Directory)
{
int lba = rec.LbaData;
int num = (rec.LenData + 2047) / 2048;
for (int i = 0; i < num; i++)
{
RamDisk.Read(lba + i);
}
if (iterator != null)
{
iterator.Visit(key, rec);
}
}
pos += len;
}
}
pos = dir.LbaData * 2048;
pos += RamDisk.GetU8(pos); // skip current directory
pos += RamDisk.GetU8(pos); // skip parent directory
while (pos < end)
{
byte len = RamDisk.GetU8(pos);
if (len == 0)
{
pos = ((pos / 2048) + 1) * 2048;
}
else
{
string key = url + "/" + GetRecordFileName(pos);
DirRec rec = Records[key];
if (!rec.FileFlags_Directory)
{
if (iterator != null)
{
iterator.Visit(key, rec);
}
}
pos += len;
}
}
return(true);
}
