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Diffstat (limited to '7zip/Compress/Rar29/Original/unpack.hpp')
| -rwxr-xr-x | 7zip/Compress/Rar29/Original/unpack.hpp | 205 |
1 files changed, 205 insertions, 0 deletions
diff --git a/7zip/Compress/Rar29/Original/unpack.hpp b/7zip/Compress/Rar29/Original/unpack.hpp new file mode 100755 index 00000000..83fb0f02 --- /dev/null +++ b/7zip/Compress/Rar29/Original/unpack.hpp @@ -0,0 +1,205 @@ +#ifndef _RAR_UNPACK_ +#define _RAR_UNPACK_ + +enum BLOCK_TYPES {BLOCK_LZ,BLOCK_PPM}; + +struct Decode +{ + unsigned int MaxNum; + unsigned int DecodeLen[16]; + unsigned int DecodePos[16]; + unsigned int DecodeNum[2]; +}; + +struct LitDecode +{ + unsigned int MaxNum; + unsigned int DecodeLen[16]; + unsigned int DecodePos[16]; + unsigned int DecodeNum[NC]; +}; + +struct DistDecode +{ + unsigned int MaxNum; + unsigned int DecodeLen[16]; + unsigned int DecodePos[16]; + unsigned int DecodeNum[DC]; +}; + +struct LowDistDecode +{ + unsigned int MaxNum; + unsigned int DecodeLen[16]; + unsigned int DecodePos[16]; + unsigned int DecodeNum[LDC]; +}; + +struct RepDecode +{ + unsigned int MaxNum; + unsigned int DecodeLen[16]; + unsigned int DecodePos[16]; + unsigned int DecodeNum[RC]; +}; + +struct BitDecode +{ + unsigned int MaxNum; + unsigned int DecodeLen[16]; + unsigned int DecodePos[16]; + unsigned int DecodeNum[BC]; +}; + +struct UnpackFilter +{ + unsigned int BlockStart; + unsigned int BlockLength; + unsigned int ExecCount; + bool NextWindow; + VM_PreparedProgram Prg; +}; + +/***************************** Unpack v 2.0 *********************************/ +struct MultDecode +{ + unsigned int MaxNum; + unsigned int DecodeLen[16]; + unsigned int DecodePos[16]; + unsigned int DecodeNum[MC20]; +}; + +struct AudioVariables +{ + int K1,K2,K3,K4,K5; + int D1,D2,D3,D4; + int LastDelta; + unsigned int Dif[11]; + unsigned int ByteCount; + int LastChar; +}; +/***************************** Unpack v 2.0 *********************************/ + + +class Unpack:private BitInput +{ + private: + friend class Pack; + + void Unpack29(bool Solid); + bool UnpReadBuf(); + void UnpWriteBuf(); + void ExecuteCode(VM_PreparedProgram *Prg); + void UnpWriteArea(unsigned int StartPtr,unsigned int EndPtr); + void UnpWriteData(byte *Data,int Size); + bool ReadTables(); + void MakeDecodeTables(unsigned char *LenTab,struct Decode *Dec,int Size); + int DecodeNumber(struct Decode *Dec); + void CopyString(); + inline void InsertOldDist(unsigned int Distance); + inline void InsertLastMatch(unsigned int Length,unsigned int Distance); + void UnpInitData(int Solid); + void CopyString(unsigned int Length,unsigned int Distance); + bool ReadEndOfBlock(); + bool ReadVMCode(); + bool ReadVMCodePPM(); + bool AddVMCode(unsigned int FirstByte,byte *Code,int CodeSize); + void InitFilters(); + + ComprDataIO *UnpIO; + ModelPPM PPM; + int PPMEscChar; + + RarVM VM; + Array<UnpackFilter*> Filters; + Array<UnpackFilter*> PrgStack; + Array<int> OldFilterLengths; + int LastFilter; + + bool TablesRead; + struct LitDecode LD; + struct DistDecode DD; + struct LowDistDecode LDD; + struct RepDecode RD; + struct BitDecode BD; + + unsigned int OldDist[4],OldDistPtr; + unsigned int LastDist,LastLength; + + unsigned int UnpPtr,WrPtr; + + int ReadTop; + int ReadBorder; + + unsigned char UnpOldTable[HUFF_TABLE_SIZE]; + + int UnpBlockType; + + byte *Window; + bool ExternalWindow; + + + Int64 DestUnpSize; + + bool Suspended; + bool UnpAllBuf; + bool UnpSomeRead; + Int64 WrittenFileSize; + bool FileExtracted; + bool PPMError; + + int PrevLowDist,LowDistRepCount; + +/***************************** Unpack v 1.5 *********************************/ + void Unpack15(bool Solid); + void ShortLZ(); + void LongLZ(); + void HuffDecode(); + void GetFlagsBuf(); + void OldUnpInitData(int Solid); + void InitHuff(); + void CorrHuff(unsigned int *CharSet,unsigned int *NumToPlace); + void OldCopyString(unsigned int Distance,unsigned int Length); + unsigned int DecodeNum(int Num,unsigned int StartPos, + unsigned int *DecTab,unsigned int *PosTab); + void OldUnpWriteBuf(); + + unsigned int ChSet[256],ChSetA[256],ChSetB[256],ChSetC[256]; + unsigned int Place[256],PlaceA[256],PlaceB[256],PlaceC[256]; + unsigned int NToPl[256],NToPlB[256],NToPlC[256]; + unsigned int FlagBuf,AvrPlc,AvrPlcB,AvrLn1,AvrLn2,AvrLn3; + int Buf60,NumHuf,StMode,LCount,FlagsCnt; + unsigned int Nhfb,Nlzb,MaxDist3; +/***************************** Unpack v 1.5 *********************************/ + +/***************************** Unpack v 2.0 *********************************/ + void Unpack20(bool Solid); + struct MultDecode MD[4]; + unsigned char UnpOldTable20[MC20*4]; + int UnpAudioBlock,UnpChannels,UnpCurChannel,UnpChannelDelta; + void CopyString20(unsigned int Length,unsigned int Distance); + bool ReadTables20(); + void UnpInitData20(int Solid); + void ReadLastTables(); + byte DecodeAudio(int Delta); + struct AudioVariables AudV[4]; +/***************************** Unpack v 2.0 *********************************/ + + public: + Unpack(ComprDataIO *DataIO); + ~Unpack(); + void Init(byte *Window=NULL); + void DoUnpack(int Method,bool Solid); + bool IsFileExtracted() {return(FileExtracted);} + void SetDestSize(Int64 DestSize) {DestUnpSize=DestSize;FileExtracted=false;} + void SetSuspended(bool Suspended) {Unpack::Suspended=Suspended;} + + unsigned int GetChar() + { + if (InAddr>BitInput::MAX_SIZE-30) + UnpReadBuf(); + return(InBuf[InAddr++]); + } +}; + +#endif |