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Blind update of zip code to newest RVWorld version

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This commit is contained in:
Matt Nadareski
2019-12-04 15:42:30 -08:00
parent 1f3420a08f
commit 9c393b12c6
97 changed files with 27794 additions and 13760 deletions
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159
SabreTools.Library/External/Compress/SevenZip/Structure/Coder.cs vendored Normal file
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using System;
using System.IO;
using System.Text;
using Compress.Utils;
namespace Compress.SevenZip.Structure
{
public enum InStreamSource
{
Unknown,
FileStream,
CompStreamOutput
}
public class InStreamSourceInfo
{
public InStreamSource InStreamSource = InStreamSource.Unknown;
public ulong InStreamIndex;
}
public enum DecompressType
{
Unknown,
Stored,
Delta,
LZMA,
BCJ,
BCJ2,
PPMd,
BZip2,
LZMA2
}
public class Coder
{
public byte[] Method;
public ulong NumInStreams;
public ulong NumOutStreams;
public byte[] Properties;
/************Local Variables***********/
public DecompressType DecoderType;
public bool OutputUsedInternally = false;
public InStreamSourceInfo[] InputStreamsSourceInfo;
public Stream DecoderStream;
public void Read(BinaryReader br)
{
byte flags = br.ReadByte();
int decompressionMethodIdSize = flags & 0xf;
Method = br.ReadBytes(decompressionMethodIdSize);
if ((flags & 0x10) != 0)
{
NumInStreams = br.ReadEncodedUInt64();
NumOutStreams = br.ReadEncodedUInt64();
}
else
{
NumInStreams = 1;
NumOutStreams = 1;
}
if ((flags & 0x20) != 0)
{
ulong propSize = br.ReadEncodedUInt64();
Properties = br.ReadBytes((int)propSize);
}
if ((flags & 0x80) != 0)
{
throw new NotSupportedException("External flag");
}
if ((Method.Length == 1) && (Method[0] == 0))
{
DecoderType = DecompressType.Stored;
}
else if ((Method.Length == 1) && (Method[0] == 3))
{
DecoderType = DecompressType.Delta;
}
else if ((Method.Length == 3) && (Method[0] == 3) && (Method[1] == 1) && (Method[2] == 1))
{
DecoderType = DecompressType.LZMA;
}
else if ((Method.Length == 4) && (Method[0] == 3) && (Method[1] == 3) && (Method[2] == 1) &&
(Method[3] == 3))
{
DecoderType = DecompressType.BCJ;
}
else if ((Method.Length == 4) && (Method[0] == 3) && (Method[1] == 3) && (Method[2] == 1) &&
(Method[3] == 27))
{
DecoderType = DecompressType.BCJ2;
}
else if ((Method.Length == 3) && (Method[0] == 3) && (Method[1] == 4) && (Method[2] == 1))
{
DecoderType = DecompressType.PPMd;
}
else if ((Method.Length == 3) && (Method[0] == 4) && (Method[1] == 2) && (Method[2] == 2))
{
DecoderType = DecompressType.BZip2;
}
else if ((Method.Length == 1) && (Method[0] == 33))
{
DecoderType = DecompressType.LZMA2;
}
InputStreamsSourceInfo = new InStreamSourceInfo[NumInStreams];
for (uint i = 0; i < NumInStreams; i++)
{
InputStreamsSourceInfo[i] = new InStreamSourceInfo();
}
}
public void Write(BinaryWriter bw)
{
byte flags = (byte)Method.Length;
if ((NumInStreams != 1) || (NumOutStreams != 1))
{
flags = (byte)(flags | 0x10);
}
if ((Properties != null) && (Properties.Length > 0))
{
flags = (byte)(flags | 0x20);
}
bw.Write(flags);
bw.Write(Method);
if ((NumInStreams != 1) || (NumOutStreams != 1))
{
bw.WriteEncodedUInt64(NumInStreams);
bw.WriteEncodedUInt64(NumOutStreams);
}
if ((Properties != null) && (Properties.Length > 0))
{
bw.WriteEncodedUInt64((ulong)Properties.Length);
bw.Write(Properties);
}
}
public void Report(ref StringBuilder sb)
{
sb.AppendLine($" Method[] = {Method.ToArrayString()} : {DecoderType}");
sb.AppendLine($" NumInStreams = {NumInStreams}");
sb.AppendLine($" NumOutStreams = {NumOutStreams}");
sb.AppendLine($" Properties[] = {Properties.ToArrayString()}");
}
}
}