// Token: 0x06000FB3 RID: 4019 RVA: 0x000754C8 File Offset: 0x000736C8
internal RtfToRtfCompressed SetCompressionMode(RtfCompressionMode value)
{
this.CompressionMode = value;
return(this);
}
// Token: 0x060019A9 RID: 6569 RVA: 0x000CA78C File Offset: 0x000C898C
public RtfCompressConverter(Stream input, bool push, Stream output, RtfCompressionMode mode, int inputBufferSize, int outputBufferSize) : base(input, push, output, inputBufferSize, outputBufferSize)
{
if (mode == RtfCompressionMode.Compressed)
{
this.uncompressed = false;
this.window = new byte[4113];
this.nodes = new RtfCompressConverter.Node[4097];
int num = this.nodes.Length - 1;
for (int i = 0; i <= num; i++)
{
this.nodes[i].Parent = -1;
}
this.nodes[num].LeftChild = -1;
this.nodes[num].RightChild = -1;
this.codes = new byte[32];
Array.Copy(RtfCompressCommon.PreloadData, 0, this.window, 0, RtfCompressCommon.PreloadData.Length);
this.windowCurrent = RtfCompressCommon.PreloadData.Length - 17;
Buffer.BlockCopy(this.window, 0, this.window, 4096, 17);
for (int j = 0; j <= this.windowCurrent; j++)
{
this.AddNode(j, out this.match, out this.matchLength);
}
this.readLength = 17;
this.lookAhead = 17;
this.bufferStream = null;
if (this.pushSink != null && this.pushSink.CanSeek)
{
this.initialStreamPosition = this.pushSink.Position;
this.pushSink.Position += 16L;
this.directOutput = true;
return;
}
this.bufferStream = ApplicationServices.Provider.CreateTemporaryStorage();
this.directOutput = false;
if (this.writeBuffer == null)
{
this.writeBuffer = new byte[4096];
this.writeEnd = this.writeBuffer.Length;
this.writeCurrent = this.writeStart;
return;
}
return;
}
else
{
if (mode != RtfCompressionMode.Uncompressed)
{
throw new ArgumentOutOfRangeException("CompressionMode");
}
this.uncompressed = true;
if (this.pushSink != null && this.pushSink.CanSeek)
{
this.initialStreamPosition = this.pushSink.Position;
this.pushSink.Position += 16L;
this.directOutput = true;
return;
}
if (this.pullSource != null && this.pullSource.CanSeek)
{
this.initialStreamPosition = this.pullSource.Position;
return;
}
this.bufferStream = ApplicationServices.Provider.CreateTemporaryStorage();
return;
}
}
