niko
353 lines
13 KiB
C#
353 lines
13 KiB
C#
using System;
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using System.Runtime.CompilerServices;
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using BestHTTP.Extensions;
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using Cpp2IlInjected;
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namespace BestHTTP.Decompression.Zlib
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{
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// Token: 0x02001FA8 RID: 8104
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[Token(Token = "0x2001FA8")]
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internal sealed class InflateBlocks
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{
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// Token: 0x0600CD92 RID: 52626 RVA: 0x002F2710 File Offset: 0x002F0910
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[Token(Token = "0x600CD92")]
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[Address(RVA = "0x1971390", Offset = "0x1970190", VA = "0x181971390")]
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internal InflateBlocks(ZlibCodec codec, object checkfn, int w)
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{
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int[] array = new int[1];
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this.bb = array;
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int[] array2 = new int[1];
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this.tb = array2;
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InflateCodes inflateCodes = new InflateCodes();
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this.codes = inflateCodes;
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InfTree infTree = new InfTree();
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this.inftree = infTree;
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base..ctor();
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this._codec = codec;
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int[] array3 = new int[4320];
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this.hufts = array3;
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byte[] array4 = VariableSizedBufferPool.Get((long)w, true);
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this.window = array4;
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this.end = w;
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this.checkfn = checkfn;
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this.mode = (InflateBlocks.InflateBlockMode)((ulong)0L);
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uint num = this.Reset();
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}
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// Token: 0x0600CD93 RID: 52627 RVA: 0x002F27A4 File Offset: 0x002F09A4
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[Token(Token = "0x600CD93")]
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[Address(RVA = "0x1971220", Offset = "0x1970020", VA = "0x181971220")]
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internal uint Reset()
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{
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uint num = this.check;
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int num2 = 0;
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this.mode = (InflateBlocks.InflateBlockMode)num2;
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this.bitk = num2;
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this.readAt = num2;
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if (this.checkfn != num2)
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{
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ZlibCodec codec = this._codec;
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this.check = (uint)((ulong)1L);
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codec._Adler32 = (uint)((ulong)1L);
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}
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return num;
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}
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// Token: 0x0600CD94 RID: 52628 RVA: 0x002F27F8 File Offset: 0x002F09F8
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[Token(Token = "0x600CD94")]
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[Address(RVA = "0x196FBA0", Offset = "0x196E9A0", VA = "0x18196FBA0")]
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internal int Process(int r)
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{
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/*
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An exception occurred when decompiling this method (0600CD94)
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ICSharpCode.Decompiler.DecompilerException: Error decompiling System.Int32 BestHTTP.Decompression.Zlib.InflateBlocks::Process(System.Int32)
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---> System.Exception: Basic block has to end with unconditional control flow.
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{
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IL_B98:
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stloc:ZlibCodec(var_179_B9E, ldfld:ZlibCodec(InflateBlocks::_codec, ldloc:InflateBlocks(this)))
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stfld:int32(InflateBlocks::bitb, ldloc:InflateBlocks(this), ldc.i4:int32(0))
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stfld:int32(InflateBlocks::bitk, ldloc:InflateBlocks(this), ldc.i4:int32(0))
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stfld:int32(ZlibCodec::AvailableBytesIn, ldloc:ZlibCodec(var_179_B9E), ldc.i4:int32(0))
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}
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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
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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
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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
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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
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--- End of inner exception stack trace ---
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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
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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
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*/;
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}
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// Token: 0x0600CD95 RID: 52629 RVA: 0x002F33BC File Offset: 0x002F15BC
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[Token(Token = "0x600CD95")]
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[Address(RVA = "0x196FB20", Offset = "0x196E920", VA = "0x18196FB20")]
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internal void Free()
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{
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uint num = this.Reset();
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VariableSizedBufferPool.Release(this.window);
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int num2 = 0;
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this.window = num2;
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this.hufts = num2;
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}
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// Token: 0x0600CD96 RID: 52630 RVA: 0x002F33EC File Offset: 0x002F15EC
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[Token(Token = "0x600CD96")]
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[Address(RVA = "0x19712E0", Offset = "0x19700E0", VA = "0x1819712E0")]
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internal void SetDictionary(byte[] d, int start, int n)
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{
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byte[] array = this.window;
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int num = 0;
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Array.Copy(d, start, array, num, n);
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this.writeAt = n;
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this.readAt = n;
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}
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// Token: 0x0600CD97 RID: 52631 RVA: 0x002F341C File Offset: 0x002F161C
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[Token(Token = "0x600CD97")]
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[Address(RVA = "0x18E13F0", Offset = "0x18E01F0", VA = "0x1818E13F0")]
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internal int SyncPoint()
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{
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/*
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An exception occurred when decompiling this method (0600CD97)
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ICSharpCode.Decompiler.DecompilerException: Error decompiling System.Int32 BestHTTP.Decompression.Zlib.InflateBlocks::SyncPoint()
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---> System.Exception: Basic block has to end with unconditional control flow.
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{
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Block_0:
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stloc:bool(var_0_09, ceq:bool(ldfld:InflateBlockMode(InflateBlocks::mode, ldloc:InflateBlocks(this)), ldc.i4:InflateBlockMode(1)))
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}
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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
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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
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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
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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
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--- End of inner exception stack trace ---
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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
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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
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*/;
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}
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// Token: 0x0600CD98 RID: 52632 RVA: 0x002F3434 File Offset: 0x002F1634
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[Token(Token = "0x600CD98")]
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[Address(RVA = "0x196F970", Offset = "0x196E770", VA = "0x18196F970")]
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internal int Flush(int r)
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{
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int num = this.readAt;
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int num2 = 0;
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int num3 = this.writeAt;
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if (num2 != 0 || num > num3)
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{
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}
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num3 -= num;
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if (num3 != 0)
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{
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ZlibCodec codec = this._codec;
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int num4 = codec.AvailableBytesOut;
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if (num3 > num4)
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{
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num3 = num4;
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}
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if (num3 != 0)
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{
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}
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num4 -= num3;
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codec.AvailableBytesOut = num4;
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ZlibCodec codec2 = this._codec;
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if (this.checkfn != num2)
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{
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int num5 = this.readAt;
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ZlibCodec codec3 = this._codec;
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uint num6 = this.check;
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byte[] array = this.window;
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uint num7 = Adler.Adler32(num6, array, num5, num3);
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this.check = num7;
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codec3._Adler32 = num7;
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}
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ZlibCodec codec4 = this._codec;
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int nextOut = codec4.NextOut;
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byte[] outputBuffer = codec4.OutputBuffer;
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int num8 = this.readAt;
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Array.Copy(this.window, num8, outputBuffer, nextOut, num3);
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ZlibCodec codec5 = this._codec;
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int num9 = this.readAt;
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int num10 = this.end;
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num9 += num3;
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this.readAt = num9;
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if (num9 == num10 && num2 == 0)
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{
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this.readAt = num2;
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if (this.writeAt != num10)
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{
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goto IL_11C;
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}
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this.writeAt = num2;
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}
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num2++;
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IL_11C:
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num2++;
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}
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return num2;
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}
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// Token: 0x0600CD99 RID: 52633 RVA: 0x002F3568 File Offset: 0x002F1768
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// Note: this type is marked as 'beforefieldinit'.
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[Token(Token = "0x600CD99")]
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[Address(RVA = "0x1971330", Offset = "0x1970130", VA = "0x181971330")]
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static InflateBlocks()
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{
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int[] array = new int[19];
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RuntimeHelpers.InitializeArray(array, fieldof(<PrivateImplementationDetails>.1FDC8DB567F5AAA7068D0D2A601CD71657CBDF38).FieldHandle);
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InflateBlocks.border = array;
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}
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// Token: 0x0400830C RID: 33548
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[Token(Token = "0x400830C")]
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private const int MANY = 1440;
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// Token: 0x0400830D RID: 33549
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[Token(Token = "0x400830D")]
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internal static readonly int[] border;
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// Token: 0x0400830E RID: 33550
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[FieldOffset(Offset = "0x10")]
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[Token(Token = "0x400830E")]
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private InflateBlocks.InflateBlockMode mode;
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// Token: 0x0400830F RID: 33551
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[FieldOffset(Offset = "0x14")]
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[Token(Token = "0x400830F")]
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internal int left;
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// Token: 0x04008310 RID: 33552
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[FieldOffset(Offset = "0x18")]
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[Token(Token = "0x4008310")]
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internal int table;
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// Token: 0x04008311 RID: 33553
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[FieldOffset(Offset = "0x1C")]
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[Token(Token = "0x4008311")]
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internal int index;
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// Token: 0x04008312 RID: 33554
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[FieldOffset(Offset = "0x20")]
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[Token(Token = "0x4008312")]
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internal int[] blens;
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// Token: 0x04008313 RID: 33555
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[FieldOffset(Offset = "0x28")]
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[Token(Token = "0x4008313")]
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internal int[] bb;
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// Token: 0x04008314 RID: 33556
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[FieldOffset(Offset = "0x30")]
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[Token(Token = "0x4008314")]
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internal int[] tb;
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// Token: 0x04008315 RID: 33557
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[FieldOffset(Offset = "0x38")]
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[Token(Token = "0x4008315")]
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internal InflateCodes codes;
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// Token: 0x04008316 RID: 33558
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[FieldOffset(Offset = "0x40")]
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[Token(Token = "0x4008316")]
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internal int last;
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// Token: 0x04008317 RID: 33559
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[FieldOffset(Offset = "0x48")]
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[Token(Token = "0x4008317")]
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internal ZlibCodec _codec;
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// Token: 0x04008318 RID: 33560
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[FieldOffset(Offset = "0x50")]
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[Token(Token = "0x4008318")]
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internal int bitk;
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// Token: 0x04008319 RID: 33561
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[FieldOffset(Offset = "0x54")]
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[Token(Token = "0x4008319")]
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internal int bitb;
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// Token: 0x0400831A RID: 33562
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[FieldOffset(Offset = "0x58")]
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[Token(Token = "0x400831A")]
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internal int[] hufts;
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// Token: 0x0400831B RID: 33563
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[FieldOffset(Offset = "0x60")]
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[Token(Token = "0x400831B")]
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internal byte[] window;
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// Token: 0x0400831C RID: 33564
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[FieldOffset(Offset = "0x68")]
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[Token(Token = "0x400831C")]
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internal int end;
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// Token: 0x0400831D RID: 33565
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[FieldOffset(Offset = "0x6C")]
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[Token(Token = "0x400831D")]
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internal int readAt;
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// Token: 0x0400831E RID: 33566
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[FieldOffset(Offset = "0x70")]
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[Token(Token = "0x400831E")]
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internal int writeAt;
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// Token: 0x0400831F RID: 33567
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[FieldOffset(Offset = "0x78")]
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[Token(Token = "0x400831F")]
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internal object checkfn;
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// Token: 0x04008320 RID: 33568
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[FieldOffset(Offset = "0x80")]
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[Token(Token = "0x4008320")]
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internal uint check;
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// Token: 0x04008321 RID: 33569
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[FieldOffset(Offset = "0x88")]
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[Token(Token = "0x4008321")]
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internal InfTree inftree;
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// Token: 0x02001FA9 RID: 8105
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[Token(Token = "0x2001FA9")]
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private enum InflateBlockMode
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{
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// Token: 0x04008323 RID: 33571
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[Token(Token = "0x4008323")]
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TYPE,
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// Token: 0x04008324 RID: 33572
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[Token(Token = "0x4008324")]
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LENS,
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// Token: 0x04008325 RID: 33573
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[Token(Token = "0x4008325")]
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STORED,
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// Token: 0x04008326 RID: 33574
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[Token(Token = "0x4008326")]
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TABLE,
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// Token: 0x04008327 RID: 33575
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[Token(Token = "0x4008327")]
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BTREE,
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// Token: 0x04008328 RID: 33576
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[Token(Token = "0x4008328")]
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DTREE,
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// Token: 0x04008329 RID: 33577
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[Token(Token = "0x4008329")]
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CODES,
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// Token: 0x0400832A RID: 33578
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[Token(Token = "0x400832A")]
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DRY,
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// Token: 0x0400832B RID: 33579
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[Token(Token = "0x400832B")]
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DONE,
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// Token: 0x0400832C RID: 33580
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[Token(Token = "0x400832C")]
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BAD
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}
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}
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}
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