AsyncCompletionResult InternalWriteBase64TextAsync(AsyncEventArgs<XmlWriteBase64AsyncArguments> writerState) { GetBufferAsyncEventArgs bufferState = this.getBufferState; GetBufferArgs bufferArgs = this.getBufferArgs; XmlWriteBase64AsyncArguments writerArgs = writerState.Arguments; if (bufferState == null) { // Need to initialize the cached getBufferState // used to call GetBufferAsync() multiple times. bufferState = new GetBufferAsyncEventArgs(); bufferArgs = new GetBufferArgs(); this.getBufferState = bufferState; this.getBufferArgs = bufferArgs; } Base64Encoding encoding = XmlConverter.Base64Encoding; while (writerArgs.Count >= 3) { int byteCount = Math.Min(bufferLength / 4 * 3, writerArgs.Count - writerArgs.Count % 3); int charCount = byteCount / 3 * 4; bufferArgs.Count = charCount; bufferState.Set(onGetBufferComplete, bufferArgs, this); if (writer.GetBufferAsync(bufferState) == AsyncCompletionResult.Completed) { GetBufferEventResult getbufferResult = bufferState.Result; bufferState.Complete(true); writer.Advance(encoding.GetChars( writerArgs.Buffer, writerArgs.Offset, byteCount, getbufferResult.Buffer, getbufferResult.Offset)); writerArgs.Offset += byteCount; writerArgs.Count -= byteCount; } else { return AsyncCompletionResult.Queued; } } if (writerArgs.Count > 0) { bufferArgs.Count = 4; bufferState.Set(onGetBufferComplete, bufferArgs, this); if (writer.GetBufferAsync(bufferState) == AsyncCompletionResult.Completed) { GetBufferEventResult getbufferResult = bufferState.Result; bufferState.Complete(true); writer.Advance(encoding.GetChars( writerArgs.Buffer, writerArgs.Offset, writerArgs.Count, getbufferResult.Buffer, getbufferResult.Offset)); } else { return AsyncCompletionResult.Queued; } } return AsyncCompletionResult.Completed; }
AsyncCompletionResult InternalWriteBase64TextAsync(AsyncEventArgs <XmlWriteBase64AsyncArguments> writerState) { GetBufferAsyncEventArgs bufferState = this.getBufferState; GetBufferArgs bufferArgs = this.getBufferArgs; XmlWriteBase64AsyncArguments writerArgs = writerState.Arguments; if (bufferState == null) { // Need to initialize the cached getBufferState // used to call GetBufferAsync() multiple times. bufferState = new GetBufferAsyncEventArgs(); bufferArgs = new GetBufferArgs(); this.getBufferState = bufferState; this.getBufferArgs = bufferArgs; } Base64Encoding encoding = XmlConverter.Base64Encoding; while (writerArgs.Count >= 3) { int byteCount = Math.Min(bufferLength / 4 * 3, writerArgs.Count - writerArgs.Count % 3); int charCount = byteCount / 3 * 4; bufferArgs.Count = charCount; bufferState.Set(onGetBufferComplete, bufferArgs, this); if (writer.GetBufferAsync(bufferState) == AsyncCompletionResult.Completed) { GetBufferEventResult getbufferResult = bufferState.Result; bufferState.Complete(true); writer.Advance(encoding.GetChars( writerArgs.Buffer, writerArgs.Offset, byteCount, getbufferResult.Buffer, getbufferResult.Offset)); writerArgs.Offset += byteCount; writerArgs.Count -= byteCount; } else { return(AsyncCompletionResult.Queued); } } if (writerArgs.Count > 0) { bufferArgs.Count = 4; bufferState.Set(onGetBufferComplete, bufferArgs, this); if (writer.GetBufferAsync(bufferState) == AsyncCompletionResult.Completed) { GetBufferEventResult getbufferResult = bufferState.Result; bufferState.Complete(true); writer.Advance(encoding.GetChars( writerArgs.Buffer, writerArgs.Offset, writerArgs.Count, getbufferResult.Buffer, getbufferResult.Offset)); } else { return(AsyncCompletionResult.Queued); } } return(AsyncCompletionResult.Completed); }