private static BodyReadStream InternalTryCreateBodyStream(ICoreItem coreItem, BodyReadConfiguration configuration, bool createEmtpyStreamIfNotFound, long?length)
{
BodyReadStream result;
using (DisposeGuard disposeGuard = default(DisposeGuard))
{
Stream stream = BodyReadStream.OpenBodyStream(coreItem);
disposeGuard.Add <Stream>(stream);
Stream stream2 = stream;
if (stream2 == null)
{
if (!createEmtpyStreamIfNotFound)
{
return(null);
}
stream2 = Body.GetEmptyStream();
}
ConversionCallbackBase conversionCallbackBase;
Stream disposable = BodyReadDelegates.CreateStream(coreItem, configuration, stream2, out conversionCallbackBase);
disposeGuard.Add <Stream>(disposable);
BodyReadStream bodyReadStream = new BodyReadStream(stream, disposable, conversionCallbackBase, length);
disposeGuard.Add <BodyReadStream>(bodyReadStream);
disposeGuard.Success();
result = bodyReadStream;
}
return(result);
}
internal BodyTextReader(ICoreItem coreItem, BodyReadConfiguration configuration, Stream inputStream)
{
using (DisposeGuard disposeGuard = this.Guard())
{
Stream stream = null;
TextReader textReader = null;
bool flag = false;
this.disposeTracker = this.GetDisposeTracker();
try
{
if (inputStream == null)
{
stream = BodyReadStream.OpenBodyStream(coreItem);
inputStream = stream;
}
if (inputStream == null)
{
inputStream = Body.GetEmptyStream();
}
textReader = BodyReadDelegates.CreateReader(coreItem, configuration, inputStream, out this.conversionCallbacks);
flag = true;
}
finally
{
if (!flag && stream != null)
{
stream.Dispose();
}
}
this.reader = textReader;
this.bodyStream = stream;
this.isDisposed = false;
disposeGuard.Success();
}
}
public int GetLastNBytesAsString(int lastNBytesToRead, out string readString)
{
int result;
using (Stream stream = BodyReadStream.OpenBodyStream(this.coreItem))
{
readString = null;
byte[] bytes;
int num = Util.StreamHandler.ReadLastBytesOfStream(stream, lastNBytesToRead, out bytes);
if (num > 0)
{
readString = this.GetBodyEncoding().GetString(bytes, 0, num);
}
result = num;
}
return(result);
}