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: 0x0200208B RID: 8331
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[Token(Token = "0x200208B")]
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internal sealed class InflateCodes
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{
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// Token: 0x0600D169 RID: 53609 RVA: 0x002FBC20 File Offset: 0x002F9E20
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[Token(Token = "0x600D169")]
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[Address(RVA = "0x412370", Offset = "0x411370", VA = "0x180412370")]
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internal InflateCodes()
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{
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}
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// Token: 0x0600D16A RID: 53610 RVA: 0x002FBC34 File Offset: 0x002F9E34
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[Token(Token = "0x600D16A")]
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[Address(RVA = "0x4EBB60", Offset = "0x4EAB60", VA = "0x1804EBB60")]
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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: 0x0600D16B RID: 53611 RVA: 0x002FBC7C File Offset: 0x002F9E7C
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[Token(Token = "0x600D16B")]
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[Address(RVA = "0x241A0C0", Offset = "0x24190C0", VA = "0x18241A0C0")]
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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: 0x0600D16C RID: 53612 RVA: 0x002FC058 File Offset: 0x002FA258
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[Token(Token = "0x600D16C")]
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[Address(RVA = "0x24194F0", Offset = "0x24184F0", VA = "0x1824194F0")]
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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: 0x040084E7 RID: 34023
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[Token(Token = "0x40084E7")]
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private const int START = 0;
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// Token: 0x040084E8 RID: 34024
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[Token(Token = "0x40084E8")]
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private const int LEN = 1;
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// Token: 0x040084E9 RID: 34025
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[Token(Token = "0x40084E9")]
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private const int LENEXT = 2;
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// Token: 0x040084EA RID: 34026
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[Token(Token = "0x40084EA")]
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private const int DIST = 3;
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// Token: 0x040084EB RID: 34027
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[Token(Token = "0x40084EB")]
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private const int DISTEXT = 4;
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// Token: 0x040084EC RID: 34028
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[Token(Token = "0x40084EC")]
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private const int COPY = 5;
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// Token: 0x040084ED RID: 34029
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[Token(Token = "0x40084ED")]
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private const int LIT = 6;
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// Token: 0x040084EE RID: 34030
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[Token(Token = "0x40084EE")]
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private const int WASH = 7;
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// Token: 0x040084EF RID: 34031
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[Token(Token = "0x40084EF")]
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private const int END = 8;
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// Token: 0x040084F0 RID: 34032
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[Token(Token = "0x40084F0")]
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private const int BADCODE = 9;
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// Token: 0x040084F1 RID: 34033
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[FieldOffset(Offset = "0x10")]
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[Token(Token = "0x40084F1")]
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internal int mode;
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// Token: 0x040084F2 RID: 34034
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[FieldOffset(Offset = "0x14")]
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[Token(Token = "0x40084F2")]
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internal int len;
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// Token: 0x040084F3 RID: 34035
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[FieldOffset(Offset = "0x18")]
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[Token(Token = "0x40084F3")]
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internal int[] tree;
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// Token: 0x040084F4 RID: 34036
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[FieldOffset(Offset = "0x20")]
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[Token(Token = "0x40084F4")]
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internal int tree_index;
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// Token: 0x040084F5 RID: 34037
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[FieldOffset(Offset = "0x24")]
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[Token(Token = "0x40084F5")]
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internal int need;
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// Token: 0x040084F6 RID: 34038
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[FieldOffset(Offset = "0x28")]
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[Token(Token = "0x40084F6")]
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internal int lit;
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// Token: 0x040084F7 RID: 34039
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[FieldOffset(Offset = "0x2C")]
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[Token(Token = "0x40084F7")]
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internal int bitsToGet;
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// Token: 0x040084F8 RID: 34040
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[FieldOffset(Offset = "0x30")]
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[Token(Token = "0x40084F8")]
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internal int dist;
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// Token: 0x040084F9 RID: 34041
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[FieldOffset(Offset = "0x34")]
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[Token(Token = "0x40084F9")]
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internal byte lbits;
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// Token: 0x040084FA RID: 34042
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[FieldOffset(Offset = "0x35")]
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[Token(Token = "0x40084FA")]
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internal byte dbits;
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// Token: 0x040084FB RID: 34043
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[FieldOffset(Offset = "0x38")]
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[Token(Token = "0x40084FB")]
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internal int[] ltree;
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// Token: 0x040084FC RID: 34044
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[FieldOffset(Offset = "0x40")]
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[Token(Token = "0x40084FC")]
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internal int ltree_index;
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// Token: 0x040084FD RID: 34045
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[FieldOffset(Offset = "0x48")]
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[Token(Token = "0x40084FD")]
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internal int[] dtree;
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// Token: 0x040084FE RID: 34046
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[FieldOffset(Offset = "0x50")]
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[Token(Token = "0x40084FE")]
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internal int dtree_index;
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}
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}
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