internal BlobOutputStream(BlobImpl first, bool multisession)
{
first.Load();
this.first = first;
this.multisession = multisession;
int size = first.size;
while (first.next != null)
{
size -= first.body.Length;
BlobImpl prev = first;
first = first.next;
first.Load();
prev.Invalidate();
prev.next = null;
pos = 0;
}
curr = first;
pos = size;
}
public override int Read(byte[] b, int off, int len)
{
if (len > rest)
len = rest;
int beg = off;
while (len > 0)
{
if (pos == curr.body.Length)
{
BlobImpl prev = curr;
curr = curr.next;
curr.Load();
prev.Invalidate();
prev.next = null;
pos = 0;
}
int n = len > curr.body.Length - pos ? curr.body.Length - pos : len;
Array.Copy(curr.body, pos, b, off, n);
pos += n;
off += n;
len -= n;
rest -= n;
}
return off - beg;
}
//UPGRADE_NOTE: The equivalent of method 'java.io.InputStream.skip' is not an override method.
public long Skip(long offs)
{
if (offs > rest)
{
offs = rest;
}
int len = (int) offs;
while (len > 0)
{
if (pos == curr.body.Length)
{
BlobImpl prev = curr;
curr = curr.next;
curr.Load();
prev.Invalidate();
prev.next = null;
pos = 0;
}
int n = len > curr.body.Length - pos ? curr.body.Length - pos : len;
pos += n;
len -= n;
rest -= n;
}
return offs;
}
protected internal BlobInputStream(BlobImpl first)
{
first.Load();
curr = first;
rest = first.size;
}
