public BufferResult FirstPage()
{
return(new BufferResult()
{
Length = (*_first).Used, Buffer = (IntPtr)BufferHeader.Data(_first)
});
}
public override void WriteByte(byte value)
{
EnsureCapacity();
var data = BufferHeader.Data(_current) + (*_current).Used;
(*data) = value;
++(*_current).Used;
}
public BufferResult NextPage(BufferResult result)
{
var current = (BufferHeader *)((byte *)result.Buffer - BufferHeader.BufferHeaderSize);
var next = (*current).Next;
if (next == null)
{
return(new BufferResult());
}
return(new BufferResult()
{
Length = (*next).Used, Buffer = (IntPtr)BufferHeader.Data(next)
});
}
public byte[] FullBuffer()
{
var data = new byte[_length];
var page = _first;
int position = 0;
fixed(byte *b = data)
while (page != null)
{
var length = (*page).Used;
MemoryUtils.CopyMemory(BufferHeader.Data(page), b + position, length);
position += length;
page = (*page).Next;
}
return(data);
}
public override void Write(byte[] buffer, int offset, int count)
{
var initialCount = count;
fixed(byte *src = buffer)
while (true)
{
int capacity = EnsureCapacity();
int toCopy = Math.Min(count, capacity);
MemoryUtils.CopyMemory(src + offset, BufferHeader.Data(_current) + (*_current).Used, toCopy);
(*_current).Used += toCopy;
count -= toCopy;
if (count == 0)
{
break;
}
offset += toCopy;
}
_length += initialCount;
}
