private void SetPreviousCode()
{
byte num1 = 0;
int num2;
if (this.lengthCode == 16)
{
if (this.loopCounter == 0)
{
DeflateDecompressor.ThrowInvalidDataGeneric();
}
num1 = this.codeList[this.loopCounter - 1];
num2 = this.input.GetBits(2) + 3;
}
else
{
num2 = this.lengthCode == 17 ? this.input.GetBits(3) + 3 : this.input.GetBits(7) + 11;
}
if (this.loopCounter + num2 > this.codeArraySize)
{
DeflateDecompressor.ThrowInvalidDataGeneric();
}
for (int index = 0; index < num2; ++index)
{
this.codeList[this.loopCounter++] = num1;
}
}
private void SetTreeCodes()
{
byte[] codeLengths1 = new byte[288];
byte[] codeLengths2 = new byte[32];
Array.Copy((Array)this.codeList, (Array)codeLengths1, this.literalLengthCodeCount);
Array.Copy((Array)this.codeList, this.literalLengthCodeCount, (Array)codeLengths2, 0, this.distanceCodeCount);
if (codeLengths1[256] == (byte)0)
{
DeflateDecompressor.ThrowInvalidDataGeneric();
}
this.literalLengthTree = new InflateTree(codeLengths1);
this.distanceTree = new InflateTree(codeLengths2);
}
