Initial community commit

Src/external_dependencies/openmpt-trunk/include/unrar/archive.hpp

@@ -0,0 +1,148 @@
+#ifndef _RAR_ARCHIVE_
+#define _RAR_ARCHIVE_
+
+class PPack;
+class RawRead;
+class RawWrite;
+
+enum NOMODIFY_FLAGS 
+{
+  NMDF_ALLOWLOCK=1,NMDF_ALLOWANYVOLUME=2,NMDF_ALLOWFIRSTVOLUME=4
+};
+
+enum RARFORMAT {RARFMT_NONE,RARFMT14,RARFMT15,RARFMT50,RARFMT_FUTURE};
+
+enum ADDSUBDATA_FLAGS
+{
+  ASDF_SPLIT          = 1, // Allow to split archive just before header if necessary.
+  ASDF_COMPRESS       = 2, // Allow to compress data following subheader.
+  ASDF_CRYPT          = 4, // Encrypt data after subheader if password is set.
+  ASDF_CRYPTIFHEADERS = 8  // Encrypt data after subheader only in -hp mode.
+};
+
+// RAR5 headers must not exceed 2 MB.
+#define MAX_HEADER_SIZE_RAR5 0x200000
+
+class Archive:public File
+{
+  private:
+    void UpdateLatestTime(FileHeader *CurBlock);
+    void ConvertNameCase(wchar *Name);
+    void ConvertFileHeader(FileHeader *hd);
+    size_t ReadHeader14();
+    size_t ReadHeader15();
+    size_t ReadHeader50();
+    void ProcessExtra50(RawRead *Raw,size_t ExtraSize,BaseBlock *bb);
+    void RequestArcPassword();
+    void UnexpEndArcMsg();
+    void BrokenHeaderMsg();
+    void UnkEncVerMsg(const wchar *Name,const wchar *Info);
+    bool DoGetComment(Array<wchar> *CmtData);
+    bool ReadCommentData(Array<wchar> *CmtData);
+
+#if !defined(RAR_NOCRYPT)
+    CryptData HeadersCrypt;
+#endif
+    ComprDataIO SubDataIO;
+    bool DummyCmd;
+    RAROptions *Cmd;
+
+
+    RarTime LatestTime;
+    int LastReadBlock;
+    HEADER_TYPE CurHeaderType;
+
+    bool SilentOpen;
+#ifdef USE_QOPEN
+    QuickOpen QOpen;
+    bool ProhibitQOpen;
+#endif
+  public:
+    Archive(RAROptions *InitCmd=NULL);
+    ~Archive();
+    static RARFORMAT IsSignature(const byte *D,size_t Size);
+    bool IsArchive(bool EnableBroken);
+    size_t SearchBlock(HEADER_TYPE HeaderType);
+    size_t SearchSubBlock(const wchar *Type);
+    size_t SearchRR();
+    size_t ReadHeader();
+    void CheckArc(bool EnableBroken);
+    void CheckOpen(const wchar *Name);
+    bool WCheckOpen(const wchar *Name);
+    bool GetComment(Array<wchar> *CmtData);
+    void ViewComment();
+    void SetLatestTime(RarTime *NewTime);
+    void SeekToNext();
+    bool CheckAccess();
+    bool IsArcDir();
+    void ConvertAttributes();
+    void VolSubtractHeaderSize(size_t SubSize);
+    uint FullHeaderSize(size_t Size);
+    int64 GetStartPos();
+    void AddSubData(byte *SrcData,uint64 DataSize,File *SrcFile,
+         const wchar *Name,uint Flags);
+    bool ReadSubData(Array<byte> *UnpData,File *DestFile,bool TestMode);
+    HEADER_TYPE GetHeaderType() {return CurHeaderType;}
+    RAROptions* GetRAROptions() {return Cmd;}
+    void SetSilentOpen(bool Mode) {SilentOpen=Mode;}
+#if 0
+    void GetRecoveryInfo(bool Required,int64 *Size,int *Percent);
+#endif
+#ifdef USE_QOPEN
+    bool Open(const wchar *Name,uint Mode=FMF_READ);
+    int Read(void *Data,size_t Size);
+    void Seek(int64 Offset,int Method);
+    int64 Tell();
+    void QOpenUnload() {QOpen.Unload();}
+    void SetProhibitQOpen(bool Mode) {ProhibitQOpen=Mode;}
+#endif
+
+    BaseBlock ShortBlock;
+    MarkHeader MarkHead;
+    MainHeader MainHead;
+    CryptHeader CryptHead;
+    FileHeader FileHead;
+    EndArcHeader EndArcHead;
+    SubBlockHeader SubBlockHead;
+    FileHeader SubHead;
+    CommentHeader CommHead;
+    ProtectHeader ProtectHead;
+    UnixOwnersHeader UOHead;
+    EAHeader EAHead;
+    StreamHeader StreamHead;
+
+    int64 CurBlockPos;
+    int64 NextBlockPos;
+
+    RARFORMAT Format;
+    bool Solid;
+    bool Volume;
+    bool MainComment;
+    bool Locked;
+    bool Signed;
+    bool FirstVolume;
+    bool NewNumbering;
+    bool Protected;
+    bool Encrypted;
+    size_t SFXSize;
+    bool BrokenHeader;
+    bool FailedHeaderDecryption;
+
+#if !defined(RAR_NOCRYPT)
+    byte ArcSalt[SIZE_SALT50];
+#endif
+
+    bool Splitting;
+
+    uint VolNumber;
+    int64 VolWrite;
+    uint64 AddingFilesSize;
+    uint64 AddingHeadersSize;
+
+    bool NewArchive;
+
+    wchar FirstVolumeName[NM];
+};
+
+
+#endif