public ConverterDecodingInput(Stream source, bool push, Encoding encoding, bool detectEncodingFromByteOrderMark, int maxParseToken, int restartMax, int inputBufferSize, bool testBoundaryConditions, IResultsFeedback resultFeedback, IProgressMonitor progressMonitor) : base(progressMonitor)
{
this.resultFeedback = resultFeedback;
this.restartMax = restartMax;
if (push)
{
pushSource = (source as ConverterStream);
}
else
{
pullSource = source;
}
this.detectEncodingFromByteOrderMark = detectEncodingFromByteOrderMark;
minDecodeBytes = (testBoundaryConditions ? 1 : 64);
originalEncoding = encoding;
SetNewEncoding(encoding);
maxTokenSize = ((maxParseToken == 2147483647) ? maxParseToken : (testBoundaryConditions ? maxParseToken : ((maxParseToken + 1023) / 1024 * 1024)));
parseBuffer = new char[testBoundaryConditions ? 55L : Math.Min(4096L, (long)maxTokenSize + (long)(minDecodeChars + 1))];
if (pushSource != null)
{
readBuffer = new byte[Math.Max(minDecodeBytes * 2, 8)];
return;
}
int num = Math.Max(CalculateMaxBytes(parseBuffer.Length), inputBufferSize);
readBuffer = new byte[num];
}
public ConverterEncodingOutput(Stream destination, bool push, bool restartable, Encoding encoding, bool encodingSameAsInput, bool testBoundaryConditions, IResultsFeedback resultFeedback)
{
this.resultFeedback = resultFeedback;
if (!push)
{
pullSink = (destination as ConverterStream);
pullSink.SetSource(this);
}
else
{
pushSink = destination;
if (restartable && destination.CanSeek && destination.Position == destination.Length)
{
restartablePushSink = true;
restartPosition = destination.Position;
}
}
canRestart = restartable;
this.restartable = restartable;
lineBuffer = new char[4096];
minCharsEncode = (testBoundaryConditions ? 1 : 256);
this.encodingSameAsInput = encodingSameAsInput;
originalEncoding = encoding;
ChangeEncoding(encoding);
if (this.resultFeedback != null)
{
this.resultFeedback.Set(ConfigParameter.OutputEncoding, this.encoding);
}
}
internal override IProducerConsumer CreatePullChain(TextReader input, ConverterStream converterStream)
{
this.inputEncoding = Encoding.Unicode;
ConverterInput input2 = new ConverterUnicodeInput(input, false, this.maxHtmlTagSize, base.TestBoundaryConditions, converterStream);
ConverterOutput output = new ConverterEncodingOutput(converterStream, false, false, this.outputEncodingSameAsInput ? Encoding.UTF8 : this.outputEncoding, this.outputEncodingSameAsInput, base.TestBoundaryConditions, this);
return(this.CreateChain(input2, output, converterStream));
}
internal override IProducerConsumer CreatePullChain(Stream input, ConverterStream converterStream)
{
if (this.inputEncoding == null)
{
throw new InvalidOperationException(TextConvertersStrings.InputEncodingRequired);
}
ConverterInput input2 = new ConverterDecodingInput(input, false, this.inputEncoding, this.detectEncodingFromByteOrderMark, this.maxHtmlTagSize, this.testMaxHtmlRestartOffset, base.InputStreamBufferSize, base.TestBoundaryConditions, this, converterStream);
ConverterOutput output = new ConverterEncodingOutput(converterStream, false, true, this.outputEncodingSameAsInput ? this.inputEncoding : this.outputEncoding, this.outputEncodingSameAsInput, base.TestBoundaryConditions, this);
return(this.CreateChain(input2, output, converterStream));
}
internal override IProducerConsumer CreatePushChain(ConverterStream converterStream, TextWriter output)
{
if (this.inputEncoding == null)
{
throw new InvalidOperationException(TextConvertersStrings.InputEncodingRequired);
}
this.outputEncoding = Encoding.Unicode;
ConverterInput input = new ConverterDecodingInput(converterStream, true, this.inputEncoding, this.detectEncodingFromByteOrderMark, this.maxHtmlTagSize, this.testMaxHtmlRestartOffset, base.InputStreamBufferSize, base.TestBoundaryConditions, this, null);
ConverterOutput output2 = new ConverterUnicodeOutput(output, true, true);
return(this.CreateChain(input, output2, converterStream));
}
protected override void Dispose()
{
if (cache != null && cache is IDisposable)
{
((IDisposable)cache).Dispose();
}
cache = null;
pushSink = null;
pullSink = null;
lineBuffer = null;
encoding = null;
encoder = null;
codePageMap = null;
base.Dispose();
}
protected override void Dispose()
{
if (restartCache != null && restartCache is IDisposable)
{
((IDisposable)restartCache).Dispose();
}
restartCache = null;
pullSource = null;
pushSource = null;
parseBuffer = null;
readBuffer = null;
pushChunkBuffer = null;
preamble = null;
restartConsumer = null;
base.Dispose();
}
/// <summary>
/// Converts the specified source reader.
/// </summary>
/// <param name="sourceReader">The source reader.</param>
/// <param name="destinationStream">The destination stream.</param>
public void Convert(TextReader sourceReader, Stream destinationStream)
{
if (destinationStream == null)
{
throw new ArgumentNullException("destinationStream");
}
Stream stream = new ConverterStream(sourceReader, this);
byte[] array = new byte[this.outputBufferSize];
while (true)
{
int num = stream.Read(array, 0, array.Length);
if (num == 0)
{
break;
}
destinationStream.Write(array, 0, num);
}
destinationStream.Flush();
}
/// <summary> /// Creates the pull chain. /// </summary> /// <param name="input">The input TextReader.</param> /// <param name="converterStream">The converter stream.</param> /// <returns>An <see cref="T:Microsoft.Exchange.Data.TextConverters.IProducerConsumer" /> for use in a chain.</returns> internal abstract IProducerConsumer CreatePullChain(TextReader input, ConverterStream converterStream);
/// <summary> /// Creates the push chain. /// </summary> /// <param name="converterStream">The converter stream.</param> /// <param name="output">The output.</param> /// <returns>An <see cref="T:Microsoft.Exchange.Data.TextConverters.IProducerConsumer" /> for use in a chain.</returns> internal abstract IProducerConsumer CreatePushChain(ConverterStream converterStream, TextWriter output);
