niko
432 lines
8.9 KiB
C#
432 lines
8.9 KiB
C#
using System;
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using Cpp2IlInjected;
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namespace BestHTTP.Decompression.Zlib
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{
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// Token: 0x02001FAB RID: 8107
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[Token(Token = "0x2001FAB")]
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internal sealed class InflateCodes
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{
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// Token: 0x0600CD9B RID: 52635 RVA: 0x002F35B0 File Offset: 0x002F17B0
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[Token(Token = "0x600CD9B")]
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[Address(RVA = "0x3F5100", Offset = "0x3F3F00", VA = "0x1803F5100")]
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internal InflateCodes()
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{
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}
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// Token: 0x0600CD9C RID: 52636 RVA: 0x002F35C4 File Offset: 0x002F17C4
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[Token(Token = "0x600CD9C")]
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[Address(RVA = "0x18E2030", Offset = "0x18E0E30", VA = "0x1818E2030")]
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internal void Init(int bl, int bd, int[] tl, int tl_index, int[] td, int td_index)
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{
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int num = 0;
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this.ltree_index = 0;
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this.dtree = 0;
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this.dtree_index = 0;
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this.mode = num;
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this.lbits = (byte)bl;
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this.dbits = (byte)bd;
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this.ltree = tl;
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this.tree = num;
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}
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// Token: 0x0600CD9D RID: 52637 RVA: 0x002F360C File Offset: 0x002F180C
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[Token(Token = "0x600CD9D")]
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[Address(RVA = "0x1972090", Offset = "0x1970E90", VA = "0x181972090")]
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internal int Process(InflateBlocks blocks, int r)
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{
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ZlibCodec codec = blocks._codec;
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int writeAt = blocks.writeAt;
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int num = blocks.readAt;
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int bitb = blocks.bitb;
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int nextIn = codec.NextIn;
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int availableBytesIn = codec.AvailableBytesIn;
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int bitk = blocks.bitk;
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if (writeAt < num)
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{
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num -= writeAt;
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}
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int num2 = blocks.end;
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num2 -= writeAt;
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blocks.bitb = bitb;
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blocks.bitk = bitk;
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codec.AvailableBytesIn = availableBytesIn;
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codec.NextIn = nextIn;
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blocks.writeAt = writeAt;
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int writeAt2 = blocks.writeAt;
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int num3 = blocks.readAt;
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int bitb2 = blocks.bitb;
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int num4 = codec.NextIn;
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int availableBytesIn2 = codec.AvailableBytesIn;
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int num5 = blocks.bitk;
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if (writeAt2 < num3)
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{
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num3 -= writeAt2;
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}
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int num6 = blocks.end;
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num6 -= writeAt2;
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int num7;
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if (num7 != 0)
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{
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}
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uint num8;
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if (num5 < (int)num8)
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{
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if (availableBytesIn2 == 0)
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{
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goto IL_31B;
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}
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byte[] inputBuffer = codec.InputBuffer;
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num4++;
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num5 += 8;
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}
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uint num9;
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int num10;
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if (num5 < (int)num9)
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{
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if (availableBytesIn2 == 0)
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{
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goto IL_31B;
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}
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num10 = 0;
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byte[] inputBuffer2 = codec.InputBuffer;
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num4++;
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num5 += 8;
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}
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num5 -= (int)num9;
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if (num5 < (int)num9)
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{
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if (availableBytesIn2 == 0)
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{
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goto IL_349;
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}
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byte[] inputBuffer3 = codec.InputBuffer;
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num4++;
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num5 += 8;
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}
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num5 -= num10;
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uint num11;
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int num12;
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if (num5 < (int)num11)
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{
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if (availableBytesIn2 == 0)
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{
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goto IL_31B;
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}
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num12 = 0;
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byte[] inputBuffer4 = codec.InputBuffer;
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num4++;
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num5 += 8;
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}
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num5 -= (int)num11;
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int num14;
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int num15;
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int num16;
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if (num6 == 0)
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{
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int num13 = blocks.end;
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if (writeAt2 == num13)
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{
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int readAt = blocks.readAt;
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if (readAt != 0)
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{
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if (readAt > 0)
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{
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}
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if (num13 != 0)
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{
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goto IL_203;
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}
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}
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}
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blocks.writeAt = writeAt2;
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num14 = blocks.Flush(num12);
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int writeAt3 = blocks.writeAt;
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int end = blocks.end;
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int readAt2 = blocks.readAt;
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if (writeAt3 < readAt2)
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{
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num13 = readAt2;
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num13 -= writeAt3;
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}
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num13 -= writeAt3;
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if (writeAt3 == end && readAt2 != 0)
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{
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num15 = 0;
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num16 = readAt2 - 1;
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if (readAt2 <= 0)
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{
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}
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}
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if (num16 == 0)
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{
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goto IL_358;
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}
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}
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IL_203:
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byte[] window = blocks.window;
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int num17 = writeAt2 + 1;
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num15++;
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int length = window.Length;
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int end2 = blocks.end;
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int i;
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if (num16 == 0)
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{
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int end3 = blocks.end;
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int num18;
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if (num15 == end3)
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{
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int readAt3 = blocks.readAt;
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if (readAt3 != 0)
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{
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num18 = 0;
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int num19;
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if (readAt3 > 0)
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{
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num19 = readAt3 - 1;
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}
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if (num19 != 0)
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{
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goto IL_2D0;
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}
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}
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}
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blocks.writeAt = num18;
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int num20 = blocks.Flush(num14);
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int readAt4 = blocks.readAt;
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num14 = num20;
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int writeAt4 = blocks.writeAt;
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if (writeAt4 < readAt4)
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{
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int num19 = readAt4;
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num19 -= writeAt4;
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}
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int num21 = blocks.end;
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num21 -= writeAt4;
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int end4 = blocks.end;
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int num22;
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if (writeAt4 == end4 && readAt4 != 0)
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{
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i = 0;
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num22 = readAt4 - 1;
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num22 = end4;
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}
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if (num22 == 0)
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{
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goto IL_36E;
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}
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}
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IL_2D0:
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byte[] window2 = blocks.window;
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int num23 = 0;
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i++;
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while (i <= 9)
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{
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}
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blocks.bitb = bitb2;
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blocks.bitk = num5;
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codec.AvailableBytesIn = availableBytesIn2;
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int num24 = 0;
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codec.NextIn = num4;
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blocks.writeAt = i;
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return blocks.Flush(-2);
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IL_31B:
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blocks.bitb = num24;
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blocks.bitk = 0;
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blocks.writeAt = 0;
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blocks.bitb = 0;
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blocks.bitk = 0;
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int num25 = 0;
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blocks.writeAt = 0;
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IL_349:
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blocks.bitb = num25;
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blocks.bitk = 0;
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IL_358:
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blocks.bitb = bitb2;
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blocks.bitk = 0;
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blocks.writeAt = 0;
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IL_36E:
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blocks.bitb = bitb2;
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blocks.bitk = 0;
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blocks.writeAt = 0;
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blocks.writeAt = 0;
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int num26 = blocks.Flush(num23);
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int writeAt5 = blocks.writeAt;
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while (blocks.readAt != writeAt5)
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{
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}
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blocks.bitb = bitb2;
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blocks.bitk = 0;
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int num27 = 0;
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blocks.writeAt = writeAt5;
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blocks.bitb = num27;
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throw new NullReferenceException();
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}
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// Token: 0x0600CD9E RID: 52638 RVA: 0x002F39E8 File Offset: 0x002F1BE8
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[Token(Token = "0x600CD9E")]
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[Address(RVA = "0x19714C0", Offset = "0x19702C0", VA = "0x1819714C0")]
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internal int InflateFast(int bl, int bd, int[] tl, int tl_index, int[] td, int td_index, InflateBlocks s, ZlibCodec z)
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{
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int num6;
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if (bl != 0)
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{
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int num = bd + 1;
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if (bl == 16)
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{
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if (bl != 64)
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{
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goto IL_67;
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}
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while (bl != 0)
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{
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}
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int num2 = bd + 1;
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}
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int num3 = bd + 1;
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if (bl == 16 && bl != 64)
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{
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goto IL_73;
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}
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int num4 = bd - 1;
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while (num4 != 0)
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{
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}
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int num5 = 0;
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num6 = 0;
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if (num5 != 1)
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{
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num6 += 2;
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num4 -= num6;
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if (num4 > 0)
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{
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num6++;
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while (num4 != 0)
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{
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}
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}
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}
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Array.Copy(num6, num6, num6, 1, num4);
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}
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IL_67:
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if (num6 == 32)
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{
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}
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uint num7;
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num7 -= tl;
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IL_73:
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throw new NullReferenceException();
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}
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// Token: 0x0400832E RID: 33582
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[Token(Token = "0x400832E")]
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private const int START = 0;
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// Token: 0x0400832F RID: 33583
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[Token(Token = "0x400832F")]
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private const int LEN = 1;
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// Token: 0x04008330 RID: 33584
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[Token(Token = "0x4008330")]
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private const int LENEXT = 2;
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// Token: 0x04008331 RID: 33585
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[Token(Token = "0x4008331")]
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private const int DIST = 3;
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// Token: 0x04008332 RID: 33586
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[Token(Token = "0x4008332")]
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private const int DISTEXT = 4;
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// Token: 0x04008333 RID: 33587
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[Token(Token = "0x4008333")]
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private const int COPY = 5;
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// Token: 0x04008334 RID: 33588
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[Token(Token = "0x4008334")]
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private const int LIT = 6;
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// Token: 0x04008335 RID: 33589
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[Token(Token = "0x4008335")]
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private const int WASH = 7;
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// Token: 0x04008336 RID: 33590
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[Token(Token = "0x4008336")]
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private const int END = 8;
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// Token: 0x04008337 RID: 33591
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[Token(Token = "0x4008337")]
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private const int BADCODE = 9;
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// Token: 0x04008338 RID: 33592
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[FieldOffset(Offset = "0x10")]
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[Token(Token = "0x4008338")]
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internal int mode;
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// Token: 0x04008339 RID: 33593
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[FieldOffset(Offset = "0x14")]
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[Token(Token = "0x4008339")]
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internal int len;
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// Token: 0x0400833A RID: 33594
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[FieldOffset(Offset = "0x18")]
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[Token(Token = "0x400833A")]
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internal int[] tree;
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// Token: 0x0400833B RID: 33595
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[FieldOffset(Offset = "0x20")]
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[Token(Token = "0x400833B")]
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internal int tree_index;
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// Token: 0x0400833C RID: 33596
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[FieldOffset(Offset = "0x24")]
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[Token(Token = "0x400833C")]
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internal int need;
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// Token: 0x0400833D RID: 33597
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[FieldOffset(Offset = "0x28")]
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[Token(Token = "0x400833D")]
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internal int lit;
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// Token: 0x0400833E RID: 33598
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[FieldOffset(Offset = "0x2C")]
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[Token(Token = "0x400833E")]
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internal int bitsToGet;
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// Token: 0x0400833F RID: 33599
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[FieldOffset(Offset = "0x30")]
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[Token(Token = "0x400833F")]
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internal int dist;
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// Token: 0x04008340 RID: 33600
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[FieldOffset(Offset = "0x34")]
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[Token(Token = "0x4008340")]
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internal byte lbits;
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// Token: 0x04008341 RID: 33601
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[FieldOffset(Offset = "0x35")]
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[Token(Token = "0x4008341")]
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internal byte dbits;
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// Token: 0x04008342 RID: 33602
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[FieldOffset(Offset = "0x38")]
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[Token(Token = "0x4008342")]
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internal int[] ltree;
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// Token: 0x04008343 RID: 33603
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[FieldOffset(Offset = "0x40")]
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[Token(Token = "0x4008343")]
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internal int ltree_index;
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// Token: 0x04008344 RID: 33604
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[FieldOffset(Offset = "0x48")]
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[Token(Token = "0x4008344")]
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internal int[] dtree;
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// Token: 0x04008345 RID: 33605
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[FieldOffset(Offset = "0x50")]
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[Token(Token = "0x4008345")]
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internal int dtree_index;
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}
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}
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