4.27 beta

2025-12-13 20:11:35 -06:00 · 2005-09-21 00:00:00 +00:00
parent 31e7b924e8
commit d66cf2fcf3
393 changed files with 17345 additions and 4743 deletions
--- a/7zip/Compress/Rar29/Original/unpack.hpp
+++ 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