public GetBufferAsyncResult(int count, XmlStreamNodeWriter writer, AsyncCallback callback, object state)
: base(callback, state)
{
this.count = count;
this.writer = writer;
int bufferOffset = writer.offset;
bool completeSelf = false;
if (bufferOffset + count <= bufferLength)
{
this.offset = bufferOffset;
completeSelf = true;
}
else
{
IAsyncResult result = writer.BeginFlushBuffer(PrepareAsyncCompletion(onComplete), this);
completeSelf = SyncContinue(result);
}
if (completeSelf)
{
this.Complete(true);
}
}
static void OnFlushBufferCompete(IAsyncResult result)
{
if (result.CompletedSynchronously)
{
return;
}
XmlStreamNodeWriter thisPtr = (XmlStreamNodeWriter)result.AsyncState;
Exception completionException = null;
try
{
thisPtr.stream.EndWrite(result);
thisPtr.offset = 0;
if (Interlocked.CompareExchange(ref thisPtr.hasPendingWrite, 0, 1) != 1)
{
throw FxTrace.Exception.AsError(new InvalidOperationException(SR.GetString(SR.NoAsyncWritePending)));
}
}
catch (Exception ex)
{
if (Fx.IsFatal(ex))
{
throw;
}
completionException = ex;
}
thisPtr.flushBufferState.Complete(false, completionException);
}
static void GetBufferFlushComplete(IAsyncEventArgs completionState)
{
XmlStreamNodeWriter thisPtr = (XmlStreamNodeWriter)completionState.AsyncState;
GetBufferAsyncEventArgs getBufferState = (GetBufferAsyncEventArgs)thisPtr.flushBufferState.Arguments;
getBufferState.Result = getBufferState.Result ?? new GetBufferEventResult();
getBufferState.Result.Buffer = thisPtr.buffer;
getBufferState.Result.Offset = 0;
getBufferState.Complete(false, completionState.Exception);
}
protected void SetOutput(XmlStreamNodeWriter writer)
{
_inList = false;
_writer = writer;
_nodeWriter = writer;
_writeState = WriteState.Start;
_documentState = DocumentState.None;
_nsMgr.Clear();
if (_depth != 0)
{
_elements = null;
_depth = 0;
}
_attributeLocalName = null;
_attributeValue = null;
}
public FlushBufferAsyncResult(XmlStreamNodeWriter writer, AsyncCallback callback, object state)
: base(callback, state)
{
this.writer = writer;
bool completeSelf = true;
if (writer.offset != 0)
{
completeSelf = HandleFlushBuffer(null);
}
if (completeSelf)
{
this.Complete(true);
}
}
protected void SetOutput(XmlStreamNodeWriter writer)
{
this.inList = false;
this.writer = writer;
this.nodeWriter = writer;
this.writeState = WriteState.Start;
this.documentState = DocumentState.None;
this.nsMgr.Clear();
if (this.depth != 0)
{
this.elements = null;
this.depth = 0;
}
this.attributeLocalName = null;
this.attributeValue = null;
this.oldWriter = null;
this.oldStream = null;
}
public WriteBytesAsyncResult(byte[] byteBuffer, int byteOffset, int byteCount, XmlStreamNodeWriter writer, AsyncCallback callback, object state)
: base(callback, state)
{
this.byteBuffer = byteBuffer;
this.byteOffset = byteOffset;
this.byteCount = byteCount;
this.writer = writer;
bool completeSelf = false;
if (byteCount < bufferLength)
{
completeSelf = HandleGetBuffer(null);
}
else
{
completeSelf = HandleFlushBuffer(null);
}
if (completeSelf)
{
this.Complete(true);
}
}
