Files
27Aug2021-Cpp2IL-Dump/Assembly-CSharp/BestHTTP/Decompression/Zlib/InfTree.cs
T
niko c12fbe3fc6 m
2026-04-12 16:51:38 +02:00

442 lines
11 KiB
C#

using System;
using System.Runtime.CompilerServices;
using Cpp2IlInjected;
namespace BestHTTP.Decompression.Zlib
{
// Token: 0x02002087 RID: 8327
[Token(Token = "0x2002087")]
internal sealed class InfTree
{
// Token: 0x0600D159 RID: 53593 RVA: 0x002FA754 File Offset: 0x002F8954
[Token(Token = "0x600D159")]
[Address(RVA = "0x2416610", Offset = "0x2415610", VA = "0x182416610")]
private int huft_build(int[] b, int bindex, int n, int s, int[] d, int[] e, int[] t, int[] m, int[] hp, int[] hn, int[] v)
{
int[] array;
do
{
array = this.c;
}
while (b[bindex] != array.Length);
int length = this.c.Length;
if ("{il2cpp array field local14->}" != n)
{
uint num;
if ("{il2cpp array field local14->}" == (ulong)0L)
{
num += (uint)1;
while (num <= (uint)15)
{
}
}
if ("{il2cpp array field local14->}" == (ulong)0L)
{
while ("{il2cpp array field local14->}" != (ulong)0L)
{
}
}
uint num2;
uint num3;
if (num < num2)
{
int[] array2 = this.c;
num += (uint)1;
num3 += num3;
}
this.c[0] = (int)num3;
int num4 = 0;
int[] array3 = this.x;
uint num5 = num2 - 1U;
array3[0] = num4;
if (num5 != (uint)0)
{
int[] array4 = this.c;
int[] array5 = this.x;
int num6;
num6 += num4;
array5[0] = num6;
while (1 != array5.Length)
{
}
}
int num7 = b[bindex];
if (num7 != 0)
{
int[] array6 = this.x;
int num8 = array6[num7] + 1;
array6[0] = num8;
}
int[] array7 = this.x;
int length2 = array7.Length;
int num9 = array7[(int)num2];
int num10 = 0;
int num11 = 0;
array7[0] = num10;
int[] array8 = this.u;
int num12 = 0;
array8[0] = num11;
int num13 = this.c[(int)num];
int num14 = num13 - 1;
if (num13 != 0)
{
int num15 = num14 + 1;
if (num > (uint)num13)
{
uint num16;
num16 += (uint)1;
num13 = num9;
uint num17;
num17 -= (uint)num14;
if (num9 < num15)
{
int num18 = num9 + 1;
num9 = num18;
if (num18 < num15)
{
int[] array9 = this.c;
num17 += num17;
num += (uint)1;
int num19 = array9[(int)num];
if (num17 > (uint)num19)
{
num18++;
num17 -= (uint)num19;
num9 = num18;
}
}
}
this.u[0] = num12;
if (num16 == (uint)0)
{
}
int[] array10 = this.x;
array10[0] = num10;
this.r[0] = array10;
this.r[0] = array10;
int[] array11 = this.u;
num13 -= (int)num;
int[] array12 = this.r;
num12 -= num10;
array12[1] = num12;
int num20 = this.u[(int)num16];
num20 += num10;
int[] array13 = this.r;
}
int[] array14 = this.r;
num -= (uint)num13;
array14[0] = (int)num;
if (num11 < num9)
{
int[] array15 = this.r;
num11++;
int num21;
num21 += 80;
array15[0] = array14;
int num22;
this.r[1] = num22;
int[] array16 = this.r;
num11++;
uint num23;
array16[0] = (int)num23;
this.r[1] = (int)num23;
}
int[] array17 = this.r;
num -= (uint)num13;
uint num24;
if (num10 < (int)num24)
{
int[] array18 = this.r;
uint num25;
num10 += (int)num25;
}
uint num26;
if (num10 != (int)num26)
{
while (num10 != (int)num26)
{
}
}
int[] array19 = this.x;
uint num27;
if (num27 != "{il2cpp array field local79->}")
{
num13 -= (int)num;
}
while (num14 != 0)
{
}
}
num += (uint)1;
while (num <= num2)
{
}
if (num2 != (uint)1)
{
}
}
throw new NullReferenceException();
}
// Token: 0x0600D15A RID: 53594 RVA: 0x002FAA70 File Offset: 0x002F8C70
[Token(Token = "0x600D15A")]
[Address(RVA = "0x24171F0", Offset = "0x24161F0", VA = "0x1824171F0")]
internal int inflate_trees_bits(int[] c, int[] bb, int[] tb, int[] hp, ZlibCodec z)
{
this.initWorkArea(19);
int[] array = this.hn;
int num = 0;
array[0] = num;
int[] array2 = this.v;
int[] array3 = this.hn;
int num2;
if (num2 == -3 || num2 == -5 || "{il2cpp array field bb->}" == (ulong)0L)
{
}
return num2;
}
// Token: 0x0600D15B RID: 53595 RVA: 0x002FAAC4 File Offset: 0x002F8CC4
[Token(Token = "0x600D15B")]
[Address(RVA = "0x2417340", Offset = "0x2416340", VA = "0x182417340")]
internal int inflate_trees_dynamic(int nl, int nd, int[] c, int[] bl, int[] bd, int[] tl, int[] td, int[] hp, ZlibCodec z)
{
this.initWorkArea(288);
int[] array = this.hn;
int num = 0;
array[0] = num;
int[] array2 = this.hn;
int[] array3 = InfTree.cplens;
int[] array4 = InfTree.cplext;
int[] array5 = this.v;
int num2;
if (num2 == 0)
{
this.initWorkArea(288);
int[] array6 = this.hn;
int[] array7 = InfTree.cpdist;
int[] array8 = InfTree.cpdext;
int[] array9 = this.v;
int num3;
if (num3 == 0)
{
}
if (num3 == -3 || num3 == -5 || num3 != -4)
{
}
return num3;
}
if (num2 != -3)
{
while (num2 == -4)
{
}
}
throw new NullReferenceException();
}
// Token: 0x0600D15C RID: 53596 RVA: 0x002FAB64 File Offset: 0x002F8D64
[Token(Token = "0x600D15C")]
[Address(RVA = "0x2417650", Offset = "0x2416650", VA = "0x182417650")]
internal static int inflate_trees_fixed(int[] bl, int[] bd, int[][] tl, int[][] td, ZlibCodec z)
{
int[] array = InfTree.fixed_tl;
if (array != 0)
{
}
tl[0] = array;
int[] array2 = InfTree.fixed_td;
if (array2 != 0)
{
}
int num = 0;
td[0] = array2;
return num;
}
// Token: 0x0600D15D RID: 53597 RVA: 0x002FABA0 File Offset: 0x002F8DA0
[Token(Token = "0x600D15D")]
[Address(RVA = "0x24177E0", Offset = "0x24167E0", VA = "0x1824177E0")]
private void initWorkArea(int vsize)
{
if (this.cplens != (ulong)0L)
{
int[] array = this.v;
if (array.Length < vsize)
{
int[] array2 = new int[vsize];
this.v = array2;
}
int num = 0;
Array.Clear(array, num, vsize);
int[] array3 = this.c;
int num2 = 0;
Array.Clear(array3, num2, 16);
int[] array4 = this.r;
int num3 = 0;
array4[0] = num3;
this.r[0] = num3;
this.r[1] = num3;
int[] array5 = this.u;
int num4 = 0;
Array.Clear(array5, num4, 15);
int[] array6 = this.x;
int num5 = 0;
Array.Clear(array6, num5, 16);
return;
}
int[] array7 = new int[1];
this.hn = array7;
int[] array8 = new int[vsize];
this.v = array8;
int[] array9 = new int[16];
this.c = array9;
int[] array10 = new int[3];
this.r = array10;
int[] array11 = new int[15];
this.u = array11;
int[] array12 = new int[16];
this.x = array12;
}
// Token: 0x0600D15E RID: 53598 RVA: 0x002FACC0 File Offset: 0x002F8EC0
[Token(Token = "0x600D15E")]
[Address(RVA = "0x412370", Offset = "0x411370", VA = "0x180412370")]
public InfTree()
{
}
// Token: 0x0600D15F RID: 53599 RVA: 0x002FACD4 File Offset: 0x002F8ED4
// Note: this type is marked as 'beforefieldinit'.
[Token(Token = "0x600D15F")]
[Address(RVA = "0x2416490", Offset = "0x2415490", VA = "0x182416490")]
static InfTree()
{
int[] array = new int[1536];
RuntimeHelpers.InitializeArray(array, fieldof(<PrivateImplementationDetails>.A474A0BEC4E2CE8491839502AE85F6EA8504C6BD).FieldHandle);
InfTree.fixed_tl = array;
int[] array2 = new int[96];
RuntimeHelpers.InitializeArray(array2, fieldof(<PrivateImplementationDetails>.1B180C6E41F096D53222F5E8EF558B78182CA401).FieldHandle);
InfTree.fixed_td = array2;
int[] array3 = new int[31];
RuntimeHelpers.InitializeArray(array3, fieldof(<PrivateImplementationDetails>.8ED8F61DAA454B49CD5059AE4486C59174324E9E).FieldHandle);
InfTree.cplens = array3;
int[] array4 = new int[31];
RuntimeHelpers.InitializeArray(array4, fieldof(<PrivateImplementationDetails>.DACFCC5E985D9E113ABB74724C5D3CC4FDC4FB8A).FieldHandle);
InfTree.cplext = array4;
int[] array5 = new int[30];
RuntimeHelpers.InitializeArray(array5, fieldof(<PrivateImplementationDetails>.D068832E6B13A623916709C1E0E25ADCBE7B455F).FieldHandle);
InfTree.cpdist = array5;
int[] array6 = new int[30];
RuntimeHelpers.InitializeArray(array6, fieldof(<PrivateImplementationDetails>.79D521E6E3E55103005E9CC3FA43B3174FAF090F).FieldHandle);
InfTree.cpdext = array6;
}
// Token: 0x040084AC RID: 33964
[Token(Token = "0x40084AC")]
private const int MANY = 1440;
// Token: 0x040084AD RID: 33965
[Token(Token = "0x40084AD")]
private const int Z_OK = 0;
// Token: 0x040084AE RID: 33966
[Token(Token = "0x40084AE")]
private const int Z_STREAM_END = 1;
// Token: 0x040084AF RID: 33967
[Token(Token = "0x40084AF")]
private const int Z_NEED_DICT = 2;
// Token: 0x040084B0 RID: 33968
[Token(Token = "0x40084B0")]
private const int Z_ERRNO = -1;
// Token: 0x040084B1 RID: 33969
[Token(Token = "0x40084B1")]
private const int Z_STREAM_ERROR = -2;
// Token: 0x040084B2 RID: 33970
[Token(Token = "0x40084B2")]
private const int Z_DATA_ERROR = -3;
// Token: 0x040084B3 RID: 33971
[Token(Token = "0x40084B3")]
private const int Z_MEM_ERROR = -4;
// Token: 0x040084B4 RID: 33972
[Token(Token = "0x40084B4")]
private const int Z_BUF_ERROR = -5;
// Token: 0x040084B5 RID: 33973
[Token(Token = "0x40084B5")]
private const int Z_VERSION_ERROR = -6;
// Token: 0x040084B6 RID: 33974
[Token(Token = "0x40084B6")]
internal const int fixed_bl = 9;
// Token: 0x040084B7 RID: 33975
[Token(Token = "0x40084B7")]
internal const int fixed_bd = 5;
// Token: 0x040084B8 RID: 33976
[Token(Token = "0x40084B8")]
internal static readonly int[] fixed_tl;
// Token: 0x040084B9 RID: 33977
[Token(Token = "0x40084B9")]
internal static readonly int[] fixed_td;
// Token: 0x040084BA RID: 33978
[Token(Token = "0x40084BA")]
internal static readonly int[] cplens;
// Token: 0x040084BB RID: 33979
[Token(Token = "0x40084BB")]
internal static readonly int[] cplext;
// Token: 0x040084BC RID: 33980
[Token(Token = "0x40084BC")]
internal static readonly int[] cpdist;
// Token: 0x040084BD RID: 33981
[Token(Token = "0x40084BD")]
internal static readonly int[] cpdext;
// Token: 0x040084BE RID: 33982
[Token(Token = "0x40084BE")]
internal const int BMAX = 15;
// Token: 0x040084BF RID: 33983
[FieldOffset(Offset = "0x10")]
[Token(Token = "0x40084BF")]
internal int[] hn;
// Token: 0x040084C0 RID: 33984
[FieldOffset(Offset = "0x18")]
[Token(Token = "0x40084C0")]
internal int[] v;
// Token: 0x040084C1 RID: 33985
[FieldOffset(Offset = "0x20")]
[Token(Token = "0x40084C1")]
internal int[] c;
// Token: 0x040084C2 RID: 33986
[FieldOffset(Offset = "0x28")]
[Token(Token = "0x40084C2")]
internal int[] r;
// Token: 0x040084C3 RID: 33987
[FieldOffset(Offset = "0x30")]
[Token(Token = "0x40084C3")]
internal int[] u;
// Token: 0x040084C4 RID: 33988
[FieldOffset(Offset = "0x38")]
[Token(Token = "0x40084C4")]
internal int[] x;
}
}