public unsafe uint ReadSegments(nsWriteSegmentFun aWriter, IntPtr aClosure, uint aCount)
{
int count = (int)Math.Min(aCount, Available());
if (count == 0) return 0;
if (Buffer == IntPtr.Zero) return 0;
int writeCount;
aWriter(this, aClosure, new IntPtr(CurrentPointer), (int)Position, count, out writeCount);
MovePointer((uint)count);
return (uint)writeCount;
}
UInt32 nsIInputStream.ReadSegments(nsWriteSegmentFun aWriter, IntPtr aClosure, UInt32 aCount)
{
if (ReferenceEquals(m_BaseStream, null) || !m_BaseStream.CanRead)
{
return 0;
}
// Get maximum buffer size - the segment size.
UInt32 segmentSize = GetBufferSize(aCount);
var segment = new Byte[segmentSize];
// Read data available for first segment
Int32 segmentBytesCount = m_BaseStream.Read(segment, 0, segment.Length);
if (segmentBytesCount > 0)
{
// Allocate memory for first and all subsequent segments
IntPtr segmentPtr = Xpcom.NS_Alloc(segmentSize);
try
{
UInt32 totalBytesConsumed = 0;
do
{
// Write available data to current segment
Marshal.Copy(segment, 0, segmentPtr, segmentBytesCount);
UInt32 segmentBytesConsumed = 0;
UInt32 writeCount = 0;
// Deliver data from current segment to consumer
while ((segmentBytesConsumed < segmentBytesCount) && (aWriter(this, aClosure, segmentPtr, totalBytesConsumed, (UInt32)segmentBytesCount, ref writeCount) == nsResult.NS_OK))
{
segmentBytesConsumed += writeCount;
totalBytesConsumed += writeCount;
writeCount = 0;
}
// Get data for next segment
if (totalBytesConsumed < aCount)
{
segmentBytesCount = m_BaseStream.Read(segment, 0, segment.Length);
}
}
while ((totalBytesConsumed < aCount) && (segmentBytesCount > 0));
return totalBytesConsumed;
}
finally
{
Xpcom.NS_Free(segmentPtr);
}
}
return 0;
}
public unsafe uint ReadSegments(nsWriteSegmentFun aWriter, IntPtr aClosure, uint aCount)
{
int count = (int)Math.Min(aCount, Available());
if (count == 0)
{
return(0);
}
if (Buffer == IntPtr.Zero)
{
return(0);
}
int writeCount;
aWriter(this, aClosure, new IntPtr(CurrentPointer), (int)Position, count, out writeCount);
MovePointer((uint)count);
return((uint)writeCount);
}
public unsafe uint ReadSegments(nsWriteSegmentFun aWriter, IntPtr aClosure, uint aCount)
{
int length = (int)Math.Min(aCount, Available());
int writeCount = 0;
if (length > 0)
{
nsWriteSegmentFun fun = aWriter;
fixed(byte *data = &_data[_position])
{
fun(this, aClosure, (IntPtr)data, _position, length, out writeCount);
}
_position += writeCount;
}
return((uint)writeCount);
}
public unsafe uint ReadSegments( nsWriteSegmentFun aWriter, IntPtr aClosure, uint aCount )
{
int length = ( int ) Math.Min( aCount, Available() );
int writeCount = 0;
if ( length > 0 )
{
nsWriteSegmentFun fun = aWriter;
fixed (byte* data = &_data[_position])
{
fun(this, aClosure, (IntPtr)data, _position, length, out writeCount);
}
_position += writeCount;
}
return ( uint ) writeCount;
}
public uint ReadSegments(nsWriteSegmentFun aWriter, IntPtr aClosure, uint aCount)
{
#warning implement it
return(0);
}
public uint ReadSegments( nsWriteSegmentFun aWriter, IntPtr aClosure, uint aCount )
{
return 0;
}
public uint ReadSegments(nsWriteSegmentFun aWriter, IntPtr aClosure, uint aCount)
{
return(0);
}
