3.13

7zip/Archive/Zip/ZipHeader.h

@@ -0,0 +1,227 @@
+// Archive/Zip/Header.h
+
+#pragma once
+
+#ifndef __ARCHIVE_ZIP_HEADER_H
+#define __ARCHIVE_ZIP_HEADER_H
+
+#include "Common/Types.h"
+
+namespace NArchive {
+namespace NZip {
+
+#pragma pack( push, PragmaZipHeaders)
+#pragma pack( push, 1)
+
+namespace NSignature
+{
+  extern UINT32 kLocalFileHeader;
+  extern UINT32 kDataDescriptor;
+  extern UINT32 kCentralFileHeader;
+  extern UINT32 kEndOfCentralDir;
+  
+  static const UINT32 kMarkerSize = 4;
+}
+
+struct CEndOfCentralDirectoryRecord
+{
+  UINT16 ThisDiskNumber;
+  UINT16 StartCentralDirectoryDiskNumber;
+  UINT16 NumEntriesInCentaralDirectoryOnThisDisk;
+  UINT16 NumEntriesInCentaralDirectory;
+  UINT32 CentralDirectorySize;
+  UINT32 CentralDirectoryStartOffset;
+  UINT16 CommentSize;
+};
+
+struct CEndOfCentralDirectoryRecordFull
+{
+  UINT32 Signature;
+  CEndOfCentralDirectoryRecord Header;
+};
+
+namespace NFileHeader
+{
+  struct CVersion
+  {
+    BYTE Version;
+    BYTE HostOS;
+  };
+  
+  namespace NCompressionMethod
+  {
+    enum EType
+    { 
+      kStored = 0,
+      kShrunk = 1,
+      kReduced1 = 2,
+      kReduced2 = 3,
+      kReduced3 = 4,
+      kReduced4 = 5,
+      kImploded = 6,
+      kReservedTokenizing = 7, // reserved for tokenizing
+      kDeflated = 8, 
+      kDeflated64 = 9,
+      kPKImploding = 10,
+      
+      kBZip2 = 12
+    };
+    const int kNumCompressionMethods = 11;
+    const BYTE kMadeByProgramVersion = 20;
+    
+    const BYTE kDeflateExtractVersion = 20;
+    const BYTE kStoreExtractVersion = 10;
+    
+    const BYTE kSupportedVersion   = 20;
+  }
+
+  struct CLocalBlock
+  {
+    CVersion ExtractVersion;
+    
+    UINT16 Flags;
+    UINT16 CompressionMethod;
+    UINT32 Time;
+    UINT32 FileCRC;
+    UINT32 PackSize;
+    UINT32 UnPackSize;
+    UINT16 NameSize;
+    UINT16 ExtraSize;
+  };
+
+  struct CDataDescriptor
+  {
+    UINT32 Signature;
+    UINT32 FileCRC;
+    UINT32 PackSize;
+    UINT32 UnPackSize;
+  };
+
+  struct CLocalBlockFull
+  {
+    UINT32 Signature;
+    CLocalBlock Header;
+  };
+  
+  struct CBlock
+  {
+    CVersion MadeByVersion;
+    CVersion ExtractVersion;
+    UINT16 Flags;
+    UINT16 CompressionMethod;
+    UINT32 Time;
+    UINT32 FileCRC;
+    UINT32 PackSize;
+    UINT32 UnPackSize;
+    UINT16 NameSize;
+    UINT16 ExtraSize;
+    UINT16 CommentSize;
+    UINT16 DiskNumberStart;
+    UINT16 InternalAttributes;
+    UINT32 ExternalAttributes;
+    UINT32 LocalHeaderOffset;
+  };
+  
+  struct CBlockFull
+  {
+    UINT32 Signature;
+    CBlock Header;
+  };
+  
+  namespace NFlags 
+  {
+    const int kNumUsedBits = 4;
+    const int kUsedBitsMask = (1 << kNumUsedBits) - 1;
+    
+    const int kEncryptedMask   = 1 << 0;
+    const int kDescriptorUsedMask   = 1 << 3;
+    
+    const int kImplodeDictionarySizeMask = 1 << 1;
+    const int kImplodeLiteralsOnMask     = 1 << 2;
+    
+    const int kDeflateTypeBitStart = 1;
+    const int kNumDeflateTypeBits = 2;
+    const int kNumDeflateTypes = (1 << kNumDeflateTypeBits);
+    const int kDeflateTypeMask = (1 << kNumDeflateTypeBits) - 1;
+  }
+  
+  namespace NHostOS
+  {
+    enum EEnum
+    {
+      kFAT      = 0,  // filesystem used by MS-DOS, OS/2, Win32 
+        // pkzip 2.50 (FAT / VFAT / FAT32 file systems)
+        kAMIGA    = 1,
+        kVMS      = 2,  // VAX/VMS
+        kUnix     = 3,
+        kVM_CMS   = 4,
+        kAtari    = 5,  // what if it's a minix filesystem? [cjh]
+        kHPFS     = 6,  // filesystem used by OS/2 (and NT 3.x)
+        kMac      = 7,
+        kZ_System = 8,
+        kCPM      = 9,
+        kTOPS20   = 10, // pkzip 2.50 NTFS 
+        kNTFS     = 11, // filesystem used by Windows NT 
+        kQDOS     = 12, // SMS/QDOS
+        kAcorn    = 13, // Archimedes Acorn RISC OS
+        kVFAT     = 14, // filesystem used by Windows 95, NT
+        kMVS      = 15,
+        kBeOS     = 16, // hybrid POSIX/database filesystem
+        // BeBOX or PowerMac 
+        kTandem   = 17,
+        kTHEOS    = 18
+    };
+    // const int kNumHostSystems = 19;
+  }
+  namespace NUnixAttribute
+  {
+    const UINT32 kIFMT   =   0170000;     /* Unix file type mask */
+    
+    const UINT32 kIFDIR  =   0040000;     /* Unix directory */
+    const UINT32 kIFREG  =   0100000;     /* Unix regular file */
+    const UINT32 kIFSOCK =   0140000;     /* Unix socket (BSD, not SysV or Amiga) */
+    const UINT32 kIFLNK  =   0120000;     /* Unix symbolic link (not SysV, Amiga) */
+    const UINT32 kIFBLK  =   0060000;     /* Unix block special       (not Amiga) */
+    const UINT32 kIFCHR  =   0020000;     /* Unix character special   (not Amiga) */
+    const UINT32 kIFIFO  =   0010000;     /* Unix fifo    (BCC, not MSC or Amiga) */
+    
+    const UINT32 kISUID  =   04000;       /* Unix set user id on execution */
+    const UINT32 kISGID  =   02000;       /* Unix set group id on execution */
+    const UINT32 kISVTX  =   01000;       /* Unix directory permissions control */
+    const UINT32 kENFMT  =   kISGID;   /* Unix record locking enforcement flag */
+    const UINT32 kIRWXU  =   00700;       /* Unix read, write, execute: owner */
+    const UINT32 kIRUSR  =   00400;       /* Unix read permission: owner */
+    const UINT32 kIWUSR  =   00200;       /* Unix write permission: owner */
+    const UINT32 kIXUSR  =   00100;       /* Unix execute permission: owner */
+    const UINT32 kIRWXG  =   00070;       /* Unix read, write, execute: group */
+    const UINT32 kIRGRP  =   00040;       /* Unix read permission: group */
+    const UINT32 kIWGRP  =   00020;       /* Unix write permission: group */
+    const UINT32 kIXGRP  =   00010;       /* Unix execute permission: group */
+    const UINT32 kIRWXO  =   00007;       /* Unix read, write, execute: other */
+    const UINT32 kIROTH  =   00004;       /* Unix read permission: other */
+    const UINT32 kIWOTH  =   00002;       /* Unix write permission: other */
+    const UINT32 kIXOTH  =   00001;       /* Unix execute permission: other */
+  }
+  
+  namespace NAmigaAttribute
+  {
+    const UINT32 kIFMT     = 06000;       /* Amiga file type mask */
+    const UINT32 kIFDIR    = 04000;       /* Amiga directory */
+    const UINT32 kIFREG    = 02000;       /* Amiga regular file */
+    const UINT32 kIHIDDEN  = 00200;       /* to be supported in AmigaDOS 3.x */
+    const UINT32 kISCRIPT  = 00100;       /* executable script (text command file) */
+    const UINT32 kIPURE    = 00040;       /* allow loading into resident memory */
+    const UINT32 kIARCHIVE = 00020;       /* not modified since bit was last set */
+    const UINT32 kIREAD    = 00010;       /* can be opened for reading */
+    const UINT32 kIWRITE   = 00004;       /* can be opened for writing */
+    const UINT32 kIEXECUTE = 00002;       /* executable image, a loadable runfile */
+    const UINT32 kIDELETE  = 00001;      /* can be deleted */
+  }
+}
+
+#pragma pack(pop)
+#pragma pack(pop, PragmaZipHeaders)
+
+}}
+
+#endif