using System;
using BestHTTP.Extensions;
using Cpp2IlInjected;

namespace BestHTTP.Decompression.Zlib
{
	// Token: 0x0200208C RID: 8332
	[Token(Token = "0x200208C")]
	internal sealed class InflateManager
	{
		// Token: 0x17002154 RID: 8532
		// (get) Token: 0x0600D16D RID: 53613 RVA: 0x002FC0E0 File Offset: 0x002FA2E0
		// (set) Token: 0x0600D16E RID: 53614 RVA: 0x002FC0F4 File Offset: 0x002FA2F4
		[Token(Token = "0x17002154")]
		internal bool HandleRfc1950HeaderBytes
		{
			[Token(Token = "0x600D16D")]
			[Address(RVA = "0x5AB2E0", Offset = "0x5AA2E0", VA = "0x1805AB2E0")]
			get
			{
				return this._handleRfc1950HeaderBytes;
			}
			[Token(Token = "0x600D16E")]
			[Address(RVA = "0x5AB400", Offset = "0x5AA400", VA = "0x1805AB400")]
			set
			{
				this._handleRfc1950HeaderBytes = value;
			}
		}

		// Token: 0x0600D16F RID: 53615 RVA: 0x002FC108 File Offset: 0x002FA308
		[Token(Token = "0x600D16F")]
		[Address(RVA = "0x1BCA0F0", Offset = "0x1BC90F0", VA = "0x181BCA0F0")]
		public InflateManager()
		{
		}

		// Token: 0x0600D170 RID: 53616 RVA: 0x002FC124 File Offset: 0x002FA324
		[Token(Token = "0x600D170")]
		[Address(RVA = "0x10AFB40", Offset = "0x10AEB40", VA = "0x1810AFB40")]
		public InflateManager(bool expectRfc1950HeaderBytes)
		{
			this._handleRfc1950HeaderBytes = expectRfc1950HeaderBytes;
		}

		// Token: 0x0600D171 RID: 53617 RVA: 0x002FC148 File Offset: 0x002FA348
		[Token(Token = "0x600D171")]
		[Address(RVA = "0x241B980", Offset = "0x241A980", VA = "0x18241B980")]
		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: 0x0600D172 RID: 53618 RVA: 0x002FC194 File Offset: 0x002FA394
		[Token(Token = "0x600D172")]
		[Address(RVA = "0x241AD90", Offset = "0x2419D90", VA = "0x18241AD90")]
		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: 0x0600D173 RID: 53619 RVA: 0x002FC1E4 File Offset: 0x002FA3E4
		[Token(Token = "0x600D173")]
		[Address(RVA = "0x241B760", Offset = "0x241A760", VA = "0x18241B760")]
		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: 0x0600D174 RID: 53620 RVA: 0x002FC2E0 File Offset: 0x002FA4E0
		[Token(Token = "0x600D174")]
		[Address(RVA = "0x241AE30", Offset = "0x2419E30", VA = "0x18241AE30")]
		internal int Inflate(FlushType flush)
		{
			/*
An exception occurred when decompiling this method (0600D174)

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 1663
*/;
		}

		// Token: 0x0600D175 RID: 53621 RVA: 0x002FC8B8 File Offset: 0x002FAAB8
		[Token(Token = "0x600D175")]
		[Address(RVA = "0x241B9D0", Offset = "0x241A9D0", VA = "0x18241B9D0")]
		internal int SetDictionary(byte[] dictionary)
		{
			/*
An exception occurred when decompiling this method (0600D175)

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 1663
*/;
		}

		// Token: 0x0600D176 RID: 53622 RVA: 0x002FC96C File Offset: 0x002FAB6C
		[Token(Token = "0x600D176")]
		[Address(RVA = "0x241BB90", Offset = "0x241AB90", VA = "0x18241BB90")]
		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: 0x0600D177 RID: 53623 RVA: 0x002FCAA8 File Offset: 0x002FACA8
		[Token(Token = "0x600D177")]
		[Address(RVA = "0x241BB60", Offset = "0x241AB60", VA = "0x18241BB60")]
		internal int SyncPoint(ZlibCodec z)
		{
			bool flag = this.blocks.mode == InflateBlocks.InflateBlockMode.LENS;
			throw new NullReferenceException();
		}

		// Token: 0x0600D178 RID: 53624 RVA: 0x002FCACC File Offset: 0x002FACCC
		// Note: this type is marked as 'beforefieldinit'.
		[Token(Token = "0x600D178")]
		[Address(RVA = "0x241BE00", Offset = "0x241AE00", VA = "0x18241BE00")]
		static InflateManager()
		{
			byte[] array = new byte[4];
			array[0] = (byte)((ulong)255L);
			array[0] = (byte)((ulong)255L);
			InflateManager.mark = array;
		}

		// Token: 0x040084FF RID: 34047
		[Token(Token = "0x40084FF")]
		private const int PRESET_DICT = 32;

		// Token: 0x04008500 RID: 34048
		[Token(Token = "0x4008500")]
		private const int Z_DEFLATED = 8;

		// Token: 0x04008501 RID: 34049
		[FieldOffset(Offset = "0x10")]
		[Token(Token = "0x4008501")]
		private InflateManager.InflateManagerMode mode;

		// Token: 0x04008502 RID: 34050
		[FieldOffset(Offset = "0x18")]
		[Token(Token = "0x4008502")]
		internal ZlibCodec _codec;

		// Token: 0x04008503 RID: 34051
		[FieldOffset(Offset = "0x20")]
		[Token(Token = "0x4008503")]
		internal int method;

		// Token: 0x04008504 RID: 34052
		[FieldOffset(Offset = "0x24")]
		[Token(Token = "0x4008504")]
		internal uint computedCheck;

		// Token: 0x04008505 RID: 34053
		[FieldOffset(Offset = "0x28")]
		[Token(Token = "0x4008505")]
		internal uint expectedCheck;

		// Token: 0x04008506 RID: 34054
		[FieldOffset(Offset = "0x2C")]
		[Token(Token = "0x4008506")]
		internal int marker;

		// Token: 0x04008507 RID: 34055
		[FieldOffset(Offset = "0x30")]
		[Token(Token = "0x4008507")]
		private bool _handleRfc1950HeaderBytes = true;

		// Token: 0x04008508 RID: 34056
		[FieldOffset(Offset = "0x34")]
		[Token(Token = "0x4008508")]
		internal int wbits;

		// Token: 0x04008509 RID: 34057
		[FieldOffset(Offset = "0x38")]
		[Token(Token = "0x4008509")]
		internal InflateBlocks blocks;

		// Token: 0x0400850A RID: 34058
		[Token(Token = "0x400850A")]
		private static readonly byte[] mark;

		// Token: 0x0200208D RID: 8333
		[Token(Token = "0x200208D")]
		private enum InflateManagerMode
		{
			// Token: 0x0400850C RID: 34060
			[Token(Token = "0x400850C")]
			METHOD,
			// Token: 0x0400850D RID: 34061
			[Token(Token = "0x400850D")]
			FLAG,
			// Token: 0x0400850E RID: 34062
			[Token(Token = "0x400850E")]
			DICT4,
			// Token: 0x0400850F RID: 34063
			[Token(Token = "0x400850F")]
			DICT3,
			// Token: 0x04008510 RID: 34064
			[Token(Token = "0x4008510")]
			DICT2,
			// Token: 0x04008511 RID: 34065
			[Token(Token = "0x4008511")]
			DICT1,
			// Token: 0x04008512 RID: 34066
			[Token(Token = "0x4008512")]
			DICT0,
			// Token: 0x04008513 RID: 34067
			[Token(Token = "0x4008513")]
			BLOCKS,
			// Token: 0x04008514 RID: 34068
			[Token(Token = "0x4008514")]
			CHECK4,
			// Token: 0x04008515 RID: 34069
			[Token(Token = "0x4008515")]
			CHECK3,
			// Token: 0x04008516 RID: 34070
			[Token(Token = "0x4008516")]
			CHECK2,
			// Token: 0x04008517 RID: 34071
			[Token(Token = "0x4008517")]
			CHECK1,
			// Token: 0x04008518 RID: 34072
			[Token(Token = "0x4008518")]
			DONE,
			// Token: 0x04008519 RID: 34073
			[Token(Token = "0x4008519")]
			BAD
		}
	}
}