using System;
using System.Runtime.CompilerServices;
using System.Runtime.InteropServices;
using Cpp2IlInjected;

namespace BestHTTP.SecureProtocol.Org.BouncyCastle.Utilities.Zlib
{
	// Token: 0x02001350 RID: 4944
	[Token(Token = "0x2001350")]
	[StructLayout(3)]
	internal sealed class InfCodes
	{
		// Token: 0x06007CD1 RID: 31953 RVA: 0x001A1D70 File Offset: 0x0019FF70
		[Token(Token = "0x6007CD1")]
		[Address(RVA = "0x3C1670", Offset = "0x3C0070", VA = "0x1803C1670")]
		internal InfCodes()
		{
			int num = 0;
			this.free(num);
		}

		// Token: 0x06007CD2 RID: 31954 RVA: 0x001A1D88 File Offset: 0x0019FF88
		[Token(Token = "0x6007CD2")]
		[Address(RVA = "0xE302D0", Offset = "0xE2ECD0", VA = "0x180E302D0")]
		internal void init(int bl, int bd, int[] tl, int tl_index, int[] td, int td_index, ZStream z)
		{
			int num = 0;
			this.ltree_index = 0;
			this.dtree = 0;
			this.dtree_index = 0;
			this.mode = num;
			this.lbits = (byte)bl;
			this.dbits = (byte)bd;
			this.ltree = tl;
			this.tree = num;
		}

		// Token: 0x06007CD3 RID: 31955 RVA: 0x001A1DD0 File Offset: 0x0019FFD0
		[Token(Token = "0x6007CD3")]
		[Address(RVA = "0x202E7F0", Offset = "0x202D1F0", VA = "0x18202E7F0")]
		internal int proc(InfBlocks s, ZStream z, int r)
		{
			int next_in_index = z.next_in_index;
			int avail_in = z.avail_in;
			int write = s.write;
			int num = s.read;
			int bitb = s.bitb;
			int bitk = s.bitk;
			if (write < num)
			{
				num -= write;
			}
			int num2 = s.end;
			num2 -= write;
			s.bitb = bitb;
			s.bitk = bitk;
			z.avail_in = avail_in;
			z.next_in_index = next_in_index;
			s.write = write;
			int write2 = s.write;
			int num3 = s.read;
			int bitb2 = s.bitb;
			int num4 = z.next_in_index;
			int avail_in2 = z.avail_in;
			int num5 = s.bitk;
			if (write2 < num3)
			{
				num3 -= write2;
			}
			int num6 = s.end;
			num6 -= write2;
			int num7;
			if (num7 != 0)
			{
			}
			uint num8;
			int num9;
			if (num5 < (int)num8)
			{
				if (avail_in2 == 0)
				{
					goto IL_373;
				}
				num9 = 0;
				byte[] next_in = z.next_in;
				num4++;
				num5 += 8;
			}
			int num10 = InfCodes.inflate_mask[(int)num8];
			byte b;
			num10 += (int)b;
			num5 -= num9;
			uint num11;
			if (num5 < (int)num11)
			{
				if (avail_in2 == 0)
				{
					goto IL_373;
				}
				byte[] next_in2 = z.next_in;
				num4++;
				num5 += 8;
			}
			int num12 = InfCodes.inflate_mask[(int)num11];
			byte b2;
			num12 += (int)b2;
			num5 -= (int)num11;
			if (num5 < (int)num11)
			{
				if (avail_in2 == 0)
				{
					goto IL_373;
				}
				byte[] next_in3 = z.next_in;
				num4++;
				num5 += 8;
			}
			int num13 = InfCodes.inflate_mask[(int)num11];
			byte b3;
			num13 += (int)b3;
			num5 -= r;
			uint num14;
			int num15;
			if (num5 < (int)num14)
			{
				if (avail_in2 == 0)
				{
					goto IL_373;
				}
				num15 = 0;
				byte[] next_in4 = z.next_in;
				num4++;
				num5 += 8;
			}
			int num16 = InfCodes.inflate_mask[(int)num14];
			byte b4;
			num16 += (int)b4;
			num5 -= (int)num14;
			int num18;
			int num19;
			int num20;
			if (num6 == 0)
			{
				int num17 = s.end;
				if (write2 == num17)
				{
					int read = s.read;
					if (read != 0)
					{
						if (read > 0)
						{
						}
						if (num17 != 0)
						{
							goto IL_258;
						}
					}
				}
				s.write = write2;
				num18 = s.inflate_flush(z, num15);
				int write3 = s.write;
				int end = s.end;
				int read2 = s.read;
				if (write3 < read2)
				{
					num17 = read2;
					num17 -= write3;
				}
				num17 -= write3;
				if (write3 == end && read2 != 0)
				{
					num19 = 0;
					num20 = read2 - 1;
					if (read2 <= 0)
					{
					}
				}
				if (num20 == 0)
				{
					goto IL_3BD;
				}
			}
			IL_258:
			byte[] window = s.window;
			int num21 = write2 + 1;
			num19++;
			int length = window.Length;
			int end2 = s.end;
			int i;
			if (num20 == 0)
			{
				int end3 = s.end;
				int num22;
				if (num19 == end3)
				{
					int read3 = s.read;
					if (read3 != 0)
					{
						num22 = 0;
						int num23;
						if (read3 > 0)
						{
							num23 = read3 - 1;
						}
						if (num23 != 0)
						{
							goto IL_32A;
						}
					}
				}
				s.write = num22;
				num21 = num18;
				int num24 = s.inflate_flush(z, num21);
				int read4 = s.read;
				int write4 = s.write;
				if (write4 < read4)
				{
					int num23 = read4;
					num23 -= write4;
				}
				int num25 = s.end;
				num25 -= write4;
				int end4 = s.end;
				int num26;
				if (write4 == end4 && read4 != 0)
				{
					i = 0;
					num26 = read4 - 1;
					num26 = end4;
				}
				if (num26 == 0)
				{
					goto IL_3D3;
				}
			}
			IL_32A:
			byte[] window2 = s.window;
			int num27 = 0;
			i++;
			while (i <= 9)
			{
			}
			s.bitb = bitb2;
			s.bitk = num5;
			z.avail_in = avail_in2;
			z.next_in_index = num4;
			s.write = i;
			return s.inflate_flush(z, -2);
			IL_373:
			s.bitb = -2;
			s.bitk = 0;
			z.avail_in = (int)((ulong)0L);
			z.next_in_index = 0;
			s.write = 0;
			z.msg = "invalid literal/length code";
			s.bitb = 0;
			z.msg = "invalid distance code";
			s.bitb = 0;
			IL_3BD:
			s.bitb = bitb2;
			s.bitk = 0;
			z.avail_in = 0;
			IL_3D3:
			s.bitb = bitb2;
			s.bitk = 0;
			z.avail_in = 0;
			z.next_in_index = 0;
			s.write = 0;
			s.write = 0;
			int num28 = s.inflate_flush(z, num27);
			int write5 = s.write;
			while (s.read != write5)
			{
			}
			s.bitb = bitb2;
			s.bitk = 0;
			z.avail_in = 0;
			z.next_in_index = 0;
			s.write = write5;
			s.bitb = 1;
			s.bitk = 0;
			z.avail_in = 0;
			z.next_in_index = 0;
			s.write = write5;
			throw new NullReferenceException();
		}

		// Token: 0x06007CD4 RID: 31956 RVA: 0x0000220F File Offset: 0x0000040F
		[Token(Token = "0x6007CD4")]
		[Address(RVA = "0x3C9F60", Offset = "0x3C8960", VA = "0x1803C9F60")]
		internal void free(ZStream z)
		{
			throw new AnalysisFailedException("CPP2IL failed to recover any usable IL for this method.");
		}

		// Token: 0x06007CD5 RID: 31957 RVA: 0x001A2248 File Offset: 0x001A0448
		[Token(Token = "0x6007CD5")]
		[Address(RVA = "0x202DC20", Offset = "0x202C620", VA = "0x18202DC20")]
		internal int inflate_fast(int bl, int bd, int[] tl, int tl_index, int[] td, int td_index, InfBlocks s, ZStream z)
		{
			int[] array = InfCodes.inflate_mask;
			int length = array.Length;
			int num = array[bl];
			int num2 = array[bd];
			int num12;
			if (bl != 0)
			{
				int num3 = bd + 1;
				if (bl == 16)
				{
					if (bl != 64)
					{
						goto IL_FE;
					}
					int num4 = InfCodes.inflate_mask[bl];
					num4 += bd;
					while (bl != 0)
					{
					}
					int num5 = bd + 1;
				}
				int num6 = InfCodes.inflate_mask[bl];
				num6 += bd;
				int num7 = bd + 1;
				if (bl == 16)
				{
					if (bl != 64)
					{
						goto IL_10A;
					}
					int num8 = InfCodes.inflate_mask[bl];
					num8 += bd;
				}
				int num9 = InfCodes.inflate_mask[bl];
				num9 += bd;
				int num10;
				if (num6 > bd)
				{
					num6 -= bd;
					num10 = bd - 1;
					while (num10 != 0)
					{
					}
					int num11 = 0;
					num12 = 0;
					if (num11 == 1)
					{
						goto IL_F0;
					}
					num12 += 2;
				}
				num10 -= num12;
				if (num10 > 0 && num6 > num10)
				{
					num12++;
					int num13 = num6 - 1;
					num6 = num13;
					while (num13 != 0)
					{
					}
				}
				IL_F0:
				Array.Copy(num12, num12, num12, 1, num6);
			}
			IL_FE:
			if (num12 == 32)
			{
			}
			uint num14;
			num14 -= tl;
			IL_10A:
			throw new NullReferenceException();
		}

		// Token: 0x06007CD6 RID: 31958 RVA: 0x001A2364 File Offset: 0x001A0564
		// Note: this type is marked as 'beforefieldinit'.
		[Token(Token = "0x6007CD6")]
		[Address(RVA = "0x202DBC0", Offset = "0x202C5C0", VA = "0x18202DBC0")]
		static InfCodes()
		{
			int[] array = new int[17];
			RuntimeHelpers.InitializeArray(array, fieldof(<PrivateImplementationDetails>.F584B6C7CCA3CD4ECC3B9B1E20D2F2EFB73DBBDF).FieldHandle);
			InfCodes.inflate_mask = array;
		}

		// Token: 0x04005948 RID: 22856
		[Token(Token = "0x4005948")]
		private static readonly int[] inflate_mask;

		// Token: 0x04005949 RID: 22857
		[Token(Token = "0x4005949")]
		private const int Z_OK = 0;

		// Token: 0x0400594A RID: 22858
		[Token(Token = "0x400594A")]
		private const int Z_STREAM_END = 1;

		// Token: 0x0400594B RID: 22859
		[Token(Token = "0x400594B")]
		private const int Z_NEED_DICT = 2;

		// Token: 0x0400594C RID: 22860
		[Token(Token = "0x400594C")]
		private const int Z_ERRNO = -1;

		// Token: 0x0400594D RID: 22861
		[Token(Token = "0x400594D")]
		private const int Z_STREAM_ERROR = -2;

		// Token: 0x0400594E RID: 22862
		[Token(Token = "0x400594E")]
		private const int Z_DATA_ERROR = -3;

		// Token: 0x0400594F RID: 22863
		[Token(Token = "0x400594F")]
		private const int Z_MEM_ERROR = -4;

		// Token: 0x04005950 RID: 22864
		[Token(Token = "0x4005950")]
		private const int Z_BUF_ERROR = -5;

		// Token: 0x04005951 RID: 22865
		[Token(Token = "0x4005951")]
		private const int Z_VERSION_ERROR = -6;

		// Token: 0x04005952 RID: 22866
		[Token(Token = "0x4005952")]
		private const int START = 0;

		// Token: 0x04005953 RID: 22867
		[Token(Token = "0x4005953")]
		private const int LEN = 1;

		// Token: 0x04005954 RID: 22868
		[Token(Token = "0x4005954")]
		private const int LENEXT = 2;

		// Token: 0x04005955 RID: 22869
		[Token(Token = "0x4005955")]
		private const int DIST = 3;

		// Token: 0x04005956 RID: 22870
		[Token(Token = "0x4005956")]
		private const int DISTEXT = 4;

		// Token: 0x04005957 RID: 22871
		[Token(Token = "0x4005957")]
		private const int COPY = 5;

		// Token: 0x04005958 RID: 22872
		[Token(Token = "0x4005958")]
		private const int LIT = 6;

		// Token: 0x04005959 RID: 22873
		[Token(Token = "0x4005959")]
		private const int WASH = 7;

		// Token: 0x0400595A RID: 22874
		[Token(Token = "0x400595A")]
		private const int END = 8;

		// Token: 0x0400595B RID: 22875
		[Token(Token = "0x400595B")]
		private const int BADCODE = 9;

		// Token: 0x0400595C RID: 22876
		[global::Cpp2IlInjected.FieldOffset(Offset = "0x10")]
		[Token(Token = "0x400595C")]
		private int mode;

		// Token: 0x0400595D RID: 22877
		[global::Cpp2IlInjected.FieldOffset(Offset = "0x14")]
		[Token(Token = "0x400595D")]
		private int len;

		// Token: 0x0400595E RID: 22878
		[global::Cpp2IlInjected.FieldOffset(Offset = "0x18")]
		[Token(Token = "0x400595E")]
		private int[] tree;

		// Token: 0x0400595F RID: 22879
		[global::Cpp2IlInjected.FieldOffset(Offset = "0x20")]
		[Token(Token = "0x400595F")]
		private int tree_index;

		// Token: 0x04005960 RID: 22880
		[global::Cpp2IlInjected.FieldOffset(Offset = "0x24")]
		[Token(Token = "0x4005960")]
		private int need;

		// Token: 0x04005961 RID: 22881
		[global::Cpp2IlInjected.FieldOffset(Offset = "0x28")]
		[Token(Token = "0x4005961")]
		private int lit;

		// Token: 0x04005962 RID: 22882
		[global::Cpp2IlInjected.FieldOffset(Offset = "0x2C")]
		[Token(Token = "0x4005962")]
		private int get;

		// Token: 0x04005963 RID: 22883
		[global::Cpp2IlInjected.FieldOffset(Offset = "0x30")]
		[Token(Token = "0x4005963")]
		private int dist;

		// Token: 0x04005964 RID: 22884
		[global::Cpp2IlInjected.FieldOffset(Offset = "0x34")]
		[Token(Token = "0x4005964")]
		private byte lbits;

		// Token: 0x04005965 RID: 22885
		[global::Cpp2IlInjected.FieldOffset(Offset = "0x35")]
		[Token(Token = "0x4005965")]
		private byte dbits;

		// Token: 0x04005966 RID: 22886
		[global::Cpp2IlInjected.FieldOffset(Offset = "0x38")]
		[Token(Token = "0x4005966")]
		private int[] ltree;

		// Token: 0x04005967 RID: 22887
		[global::Cpp2IlInjected.FieldOffset(Offset = "0x40")]
		[Token(Token = "0x4005967")]
		private int ltree_index;

		// Token: 0x04005968 RID: 22888
		[global::Cpp2IlInjected.FieldOffset(Offset = "0x48")]
		[Token(Token = "0x4005968")]
		private int[] dtree;

		// Token: 0x04005969 RID: 22889
		[global::Cpp2IlInjected.FieldOffset(Offset = "0x50")]
		[Token(Token = "0x4005969")]
		private int dtree_index;
	}
}