using System;
using BestHTTP.Extensions;
using Cpp2IlInjected;

namespace BestHTTP.Decompression.Zlib
{
	// Token: 0x02001FAC RID: 8108
	[Token(Token = "0x2001FAC")]
	internal sealed class InflateManager
	{
		// Token: 0x170020B7 RID: 8375
		// (get) Token: 0x0600CD9F RID: 52639 RVA: 0x002F3A70 File Offset: 0x002F1C70
		// (set) Token: 0x0600CDA0 RID: 52640 RVA: 0x002F3A84 File Offset: 0x002F1C84
		[Token(Token = "0x170020B7")]
		internal bool HandleRfc1950HeaderBytes
		{
			[Token(Token = "0x600CD9F")]
			[Address(RVA = "0x4364F0", Offset = "0x4352F0", VA = "0x1804364F0")]
			get
			{
				return this._handleRfc1950HeaderBytes;
			}
			[Token(Token = "0x600CDA0")]
			[Address(RVA = "0x436790", Offset = "0x435590", VA = "0x180436790")]
			set
			{
				this._handleRfc1950HeaderBytes = value;
			}
		}

		// Token: 0x0600CDA1 RID: 52641 RVA: 0x002F3A98 File Offset: 0x002F1C98
		[Token(Token = "0x600CDA1")]
		[Address(RVA = "0x106D240", Offset = "0x106C040", VA = "0x18106D240")]
		public InflateManager()
		{
		}

		// Token: 0x0600CDA2 RID: 52642 RVA: 0x002F3AB4 File Offset: 0x002F1CB4
		[Token(Token = "0x600CDA2")]
		[Address(RVA = "0x1973E60", Offset = "0x1972C60", VA = "0x181973E60")]
		public InflateManager(bool expectRfc1950HeaderBytes)
		{
			this._handleRfc1950HeaderBytes = expectRfc1950HeaderBytes;
		}

		// Token: 0x0600CDA3 RID: 52643 RVA: 0x002F3AD8 File Offset: 0x002F1CD8
		[Token(Token = "0x600CDA3")]
		[Address(RVA = "0x1973950", Offset = "0x1972750", VA = "0x181973950")]
		internal int Reset()
		{
			ZlibCodec codec = this._codec;
			int num = 0;
			codec.TotalBytesOut = (long)num;
			codec.TotalBytesIn = (long)num;
			this._codec.Message = num;
			this.mode = (InflateManager.InflateManagerMode)((uint)7);
			uint num2 = this.blocks.Reset();
			return 0;
		}

		// Token: 0x0600CDA4 RID: 52644 RVA: 0x002F3B24 File Offset: 0x002F1D24
		[Token(Token = "0x600CDA4")]
		[Address(RVA = "0x1972D60", Offset = "0x1971B60", VA = "0x181972D60")]
		internal int End()
		{
			InflateBlocks inflateBlocks = this.blocks;
			if (inflateBlocks != 0)
			{
				uint num = inflateBlocks.Reset();
				VariableSizedBufferPool.Release(inflateBlocks.window);
				int num2 = 0;
				inflateBlocks.window = num2;
				inflateBlocks.hufts = num2;
				this.blocks = num2;
				return num2;
			}
			int num3 = 0;
			this.blocks = num3;
			return num3;
		}

		// Token: 0x0600CDA5 RID: 52645 RVA: 0x002F3B74 File Offset: 0x002F1D74
		[Token(Token = "0x600CDA5")]
		[Address(RVA = "0x1973730", Offset = "0x1972530", VA = "0x181973730")]
		internal int Initialize(ZlibCodec codec, int w)
		{
			this._codec = codec;
			int num = 0;
			codec.Message = num;
			this.blocks = num;
			this.wbits = w;
			int[] array = new int[1];
			InflateBlocks inflateBlocks;
			inflateBlocks.bb = array;
			int[] array2 = new int[1];
			inflateBlocks.tb = array2;
			InflateCodes inflateCodes = new InflateCodes();
			inflateBlocks.codes = inflateCodes;
			InfTree infTree = new InfTree();
			inflateBlocks.inftree = infTree;
			inflateBlocks._codec = codec;
			int[] array3 = new int[4320];
			inflateBlocks.hufts = array3;
			byte[] array4;
			inflateBlocks.window = array4;
			inflateBlocks.checkfn = num;
			inflateBlocks.mode = (InflateBlocks.InflateBlockMode)num;
			uint num2 = inflateBlocks.Reset();
			this.blocks = inflateBlocks;
			ZlibCodec codec2 = this._codec;
			codec2.TotalBytesOut = (long)num;
			codec2.TotalBytesIn = (long)num;
			this._codec.Message = num;
			this.mode = (InflateManager.InflateManagerMode)((uint)7);
			uint num3 = this.blocks.Reset();
			return 0;
		}

		// Token: 0x0600CDA6 RID: 52646 RVA: 0x002F3C70 File Offset: 0x002F1E70
		[Token(Token = "0x600CDA6")]
		[Address(RVA = "0x1972E00", Offset = "0x1971C00", VA = "0x181972E00")]
		internal int Inflate(FlushType flush)
		{
			/*
An exception occurred when decompiling this method (0600CDA6)

ICSharpCode.Decompiler.DecompilerException: Error decompiling System.Int32 BestHTTP.Decompression.Zlib.InflateManager::Inflate(BestHTTP.Decompression.Zlib.FlushType)

 ---> System.Exception: Basic block has to end with unconditional control flow. 
{
	IL_5BD:
	stloc:ZlibException(var_104_5C7, newobj:ZlibException(ZlibException::.ctor, ldstr:string("Stream error.")))
}

   at ICSharpCode.Decompiler.ILAst.ILAstOptimizer.FlattenBasicBlocks(ILNode node) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\ILAst\ILAstOptimizer.cs:line 1852
   at ICSharpCode.Decompiler.ILAst.ILAstOptimizer.Optimize(DecompilerContext context, ILBlock method, AutoPropertyProvider autoPropertyProvider, StateMachineKind& stateMachineKind, MethodDef& inlinedMethod, AsyncMethodDebugInfo& asyncInfo, ILAstOptimizationStep abortBeforeStep) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\ILAst\ILAstOptimizer.cs:line 355
   at ICSharpCode.Decompiler.Ast.AstMethodBodyBuilder.CreateMethodBody(IEnumerable`1 parameters, MethodDebugInfoBuilder& builder) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\Ast\AstMethodBodyBuilder.cs:line 123
   at ICSharpCode.Decompiler.Ast.AstMethodBodyBuilder.CreateMethodBody(MethodDef methodDef, DecompilerContext context, AutoPropertyProvider autoPropertyProvider, IEnumerable`1 parameters, Boolean valueParameterIsKeyword, StringBuilder sb, MethodDebugInfoBuilder& stmtsBuilder) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\Ast\AstMethodBodyBuilder.cs:line 88
   --- End of inner exception stack trace ---
   at ICSharpCode.Decompiler.Ast.AstMethodBodyBuilder.CreateMethodBody(MethodDef methodDef, DecompilerContext context, AutoPropertyProvider autoPropertyProvider, IEnumerable`1 parameters, Boolean valueParameterIsKeyword, StringBuilder sb, MethodDebugInfoBuilder& stmtsBuilder) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\Ast\AstMethodBodyBuilder.cs:line 92
   at ICSharpCode.Decompiler.Ast.AstBuilder.AddMethodBody(EntityDeclaration methodNode, EntityDeclaration& updatedNode, MethodDef method, IEnumerable`1 parameters, Boolean valueParameterIsKeyword, MethodKind methodKind) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\Ast\AstBuilder.cs:line 1660
*/;
		}

		// Token: 0x0600CDA7 RID: 52647 RVA: 0x002F4248 File Offset: 0x002F2448
		[Token(Token = "0x600CDA7")]
		[Address(RVA = "0x19739A0", Offset = "0x19727A0", VA = "0x1819739A0")]
		internal int SetDictionary(byte[] dictionary)
		{
			/*
An exception occurred when decompiling this method (0600CDA7)

ICSharpCode.Decompiler.DecompilerException: Error decompiling System.Int32 BestHTTP.Decompression.Zlib.InflateManager::SetDictionary(System.Byte[])

 ---> System.Exception: Basic block has to end with unconditional control flow. 
{
	IL_9A:
	stloc:ZlibException(var_14_A4, newobj:ZlibException(ZlibException::.ctor, ldstr:string("Stream error.")))
}

   at ICSharpCode.Decompiler.ILAst.ILAstOptimizer.FlattenBasicBlocks(ILNode node) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\ILAst\ILAstOptimizer.cs:line 1852
   at ICSharpCode.Decompiler.ILAst.ILAstOptimizer.FlattenBasicBlocks(ILNode node) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\ILAst\ILAstOptimizer.cs:line 1878
   at ICSharpCode.Decompiler.ILAst.ILAstOptimizer.FlattenBasicBlocks(ILNode node) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\ILAst\ILAstOptimizer.cs:line 1878
   at ICSharpCode.Decompiler.ILAst.ILAstOptimizer.FlattenBasicBlocks(ILNode node) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\ILAst\ILAstOptimizer.cs:line 1846
   at ICSharpCode.Decompiler.ILAst.ILAstOptimizer.Optimize(DecompilerContext context, ILBlock method, AutoPropertyProvider autoPropertyProvider, StateMachineKind& stateMachineKind, MethodDef& inlinedMethod, AsyncMethodDebugInfo& asyncInfo, ILAstOptimizationStep abortBeforeStep) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\ILAst\ILAstOptimizer.cs:line 355
   at ICSharpCode.Decompiler.Ast.AstMethodBodyBuilder.CreateMethodBody(IEnumerable`1 parameters, MethodDebugInfoBuilder& builder) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\Ast\AstMethodBodyBuilder.cs:line 123
   at ICSharpCode.Decompiler.Ast.AstMethodBodyBuilder.CreateMethodBody(MethodDef methodDef, DecompilerContext context, AutoPropertyProvider autoPropertyProvider, IEnumerable`1 parameters, Boolean valueParameterIsKeyword, StringBuilder sb, MethodDebugInfoBuilder& stmtsBuilder) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\Ast\AstMethodBodyBuilder.cs:line 88
   --- End of inner exception stack trace ---
   at ICSharpCode.Decompiler.Ast.AstMethodBodyBuilder.CreateMethodBody(MethodDef methodDef, DecompilerContext context, AutoPropertyProvider autoPropertyProvider, IEnumerable`1 parameters, Boolean valueParameterIsKeyword, StringBuilder sb, MethodDebugInfoBuilder& stmtsBuilder) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\Ast\AstMethodBodyBuilder.cs:line 92
   at ICSharpCode.Decompiler.Ast.AstBuilder.AddMethodBody(EntityDeclaration methodNode, EntityDeclaration& updatedNode, MethodDef method, IEnumerable`1 parameters, Boolean valueParameterIsKeyword, MethodKind methodKind) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\Ast\AstBuilder.cs:line 1660
*/;
		}

		// Token: 0x0600CDA8 RID: 52648 RVA: 0x002F42FC File Offset: 0x002F24FC
		[Token(Token = "0x600CDA8")]
		[Address(RVA = "0x1973B60", Offset = "0x1972960", VA = "0x181973B60")]
		internal int Sync()
		{
			int num = 0;
			if (this.mode != InflateManager.InflateManagerMode.BAD)
			{
				this.mode = (InflateManager.InflateManagerMode)((ulong)13L);
				this.marker = num;
			}
			ZlibCodec codec = this._codec;
			int availableBytesIn = codec.AvailableBytesIn;
			if (availableBytesIn != 0)
			{
				int num2 = codec.NextIn;
				int num3 = this.marker;
				if (num3 < 4)
				{
					byte b = this._codec.InputBuffer[num2];
					byte[] array = InflateManager.mark;
					byte[] inputBuffer = this._codec.InputBuffer;
					if ("{il2cpp array field local11->}" == num)
					{
						uint num4;
						num4 -= (uint)num3;
					}
					num++;
					num2++;
					while ("{il2cpp array field local11->}" != num)
					{
					}
				}
				ZlibCodec codec2 = this._codec;
				this._codec.NextIn = num2;
				this._codec.AvailableBytesIn = availableBytesIn;
				this.marker = num;
				if (num == 4)
				{
					ZlibCodec codec3 = this._codec;
					long totalBytesIn = codec3.TotalBytesIn;
					long totalBytesOut = codec3.TotalBytesOut;
					codec3.TotalBytesOut = (long)num;
					codec3.TotalBytesIn = (long)num;
					this._codec.Message = num;
					uint num5;
					this.mode = (InflateManager.InflateManagerMode)num5;
					uint num6 = this.blocks.Reset();
					this._codec.TotalBytesIn = totalBytesIn;
					this._codec.TotalBytesOut = totalBytesOut;
					int num7 = 0;
					this.mode = (InflateManager.InflateManagerMode)num5;
					return num7;
				}
			}
			throw new NullReferenceException();
		}

		// Token: 0x0600CDA9 RID: 52649 RVA: 0x002F4438 File Offset: 0x002F2638
		[Token(Token = "0x600CDA9")]
		[Address(RVA = "0x1973B30", Offset = "0x1972930", VA = "0x181973B30")]
		internal int SyncPoint(ZlibCodec z)
		{
			bool flag = this.blocks.mode == InflateBlocks.InflateBlockMode.LENS;
			throw new NullReferenceException();
		}

		// Token: 0x0600CDAA RID: 52650 RVA: 0x002F445C File Offset: 0x002F265C
		// Note: this type is marked as 'beforefieldinit'.
		[Token(Token = "0x600CDAA")]
		[Address(RVA = "0x1973DD0", Offset = "0x1972BD0", VA = "0x181973DD0")]
		static InflateManager()
		{
			byte[] array = new byte[4];
			array[0] = (byte)((ulong)255L);
			array[0] = (byte)((ulong)255L);
			InflateManager.mark = array;
		}

		// Token: 0x04008346 RID: 33606
		[Token(Token = "0x4008346")]
		private const int PRESET_DICT = 32;

		// Token: 0x04008347 RID: 33607
		[Token(Token = "0x4008347")]
		private const int Z_DEFLATED = 8;

		// Token: 0x04008348 RID: 33608
		[FieldOffset(Offset = "0x10")]
		[Token(Token = "0x4008348")]
		private InflateManager.InflateManagerMode mode;

		// Token: 0x04008349 RID: 33609
		[FieldOffset(Offset = "0x18")]
		[Token(Token = "0x4008349")]
		internal ZlibCodec _codec;

		// Token: 0x0400834A RID: 33610
		[FieldOffset(Offset = "0x20")]
		[Token(Token = "0x400834A")]
		internal int method;

		// Token: 0x0400834B RID: 33611
		[FieldOffset(Offset = "0x24")]
		[Token(Token = "0x400834B")]
		internal uint computedCheck;

		// Token: 0x0400834C RID: 33612
		[FieldOffset(Offset = "0x28")]
		[Token(Token = "0x400834C")]
		internal uint expectedCheck;

		// Token: 0x0400834D RID: 33613
		[FieldOffset(Offset = "0x2C")]
		[Token(Token = "0x400834D")]
		internal int marker;

		// Token: 0x0400834E RID: 33614
		[FieldOffset(Offset = "0x30")]
		[Token(Token = "0x400834E")]
		private bool _handleRfc1950HeaderBytes = true;

		// Token: 0x0400834F RID: 33615
		[FieldOffset(Offset = "0x34")]
		[Token(Token = "0x400834F")]
		internal int wbits;

		// Token: 0x04008350 RID: 33616
		[FieldOffset(Offset = "0x38")]
		[Token(Token = "0x4008350")]
		internal InflateBlocks blocks;

		// Token: 0x04008351 RID: 33617
		[Token(Token = "0x4008351")]
		private static readonly byte[] mark;

		// Token: 0x02001FAD RID: 8109
		[Token(Token = "0x2001FAD")]
		private enum InflateManagerMode
		{
			// Token: 0x04008353 RID: 33619
			[Token(Token = "0x4008353")]
			METHOD,
			// Token: 0x04008354 RID: 33620
			[Token(Token = "0x4008354")]
			FLAG,
			// Token: 0x04008355 RID: 33621
			[Token(Token = "0x4008355")]
			DICT4,
			// Token: 0x04008356 RID: 33622
			[Token(Token = "0x4008356")]
			DICT3,
			// Token: 0x04008357 RID: 33623
			[Token(Token = "0x4008357")]
			DICT2,
			// Token: 0x04008358 RID: 33624
			[Token(Token = "0x4008358")]
			DICT1,
			// Token: 0x04008359 RID: 33625
			[Token(Token = "0x4008359")]
			DICT0,
			// Token: 0x0400835A RID: 33626
			[Token(Token = "0x400835A")]
			BLOCKS,
			// Token: 0x0400835B RID: 33627
			[Token(Token = "0x400835B")]
			CHECK4,
			// Token: 0x0400835C RID: 33628
			[Token(Token = "0x400835C")]
			CHECK3,
			// Token: 0x0400835D RID: 33629
			[Token(Token = "0x400835D")]
			CHECK2,
			// Token: 0x0400835E RID: 33630
			[Token(Token = "0x400835E")]
			CHECK1,
			// Token: 0x0400835F RID: 33631
			[Token(Token = "0x400835F")]
			DONE,
			// Token: 0x04008360 RID: 33632
			[Token(Token = "0x4008360")]
			BAD
		}
	}
}