summaryrefslogtreecommitdiffstats
path: root/other-licenses/7zstub/src/CPP/7zip/Archive/7z/7zHeader.h
diff options
context:
space:
mode:
Diffstat (limited to 'other-licenses/7zstub/src/CPP/7zip/Archive/7z/7zHeader.h')
-rw-r--r--other-licenses/7zstub/src/CPP/7zip/Archive/7z/7zHeader.h148
1 files changed, 148 insertions, 0 deletions
diff --git a/other-licenses/7zstub/src/CPP/7zip/Archive/7z/7zHeader.h b/other-licenses/7zstub/src/CPP/7zip/Archive/7z/7zHeader.h
new file mode 100644
index 0000000000..7de6eee85d
--- /dev/null
+++ b/other-licenses/7zstub/src/CPP/7zip/Archive/7z/7zHeader.h
@@ -0,0 +1,148 @@
+// 7z/7zHeader.h
+
+#ifndef __7Z_HEADER_H
+#define __7Z_HEADER_H
+
+#include "../../../Common/MyTypes.h"
+
+namespace NArchive {
+namespace N7z {
+
+const unsigned kSignatureSize = 6;
+extern Byte kSignature[kSignatureSize];
+
+// #define _7Z_VOL
+// 7z-MultiVolume is not finished yet.
+// It can work already, but I still do not like some
+// things of that new multivolume format.
+// So please keep it commented.
+
+#ifdef _7Z_VOL
+extern Byte kFinishSignature[kSignatureSize];
+#endif
+
+struct CArchiveVersion
+{
+ Byte Major;
+ Byte Minor;
+};
+
+const Byte kMajorVersion = 0;
+
+struct CStartHeader
+{
+ UInt64 NextHeaderOffset;
+ UInt64 NextHeaderSize;
+ UInt32 NextHeaderCRC;
+};
+
+const UInt32 kStartHeaderSize = 20;
+
+#ifdef _7Z_VOL
+struct CFinishHeader: public CStartHeader
+{
+ UInt64 ArchiveStartOffset; // data offset from end if that struct
+ UInt64 AdditionalStartBlockSize; // start signature & start header size
+};
+
+const UInt32 kFinishHeaderSize = kStartHeaderSize + 16;
+#endif
+
+namespace NID
+{
+ enum EEnum
+ {
+ kEnd,
+
+ kHeader,
+
+ kArchiveProperties,
+
+ kAdditionalStreamsInfo,
+ kMainStreamsInfo,
+ kFilesInfo,
+
+ kPackInfo,
+ kUnpackInfo,
+ kSubStreamsInfo,
+
+ kSize,
+ kCRC,
+
+ kFolder,
+
+ kCodersUnpackSize,
+ kNumUnpackStream,
+
+ kEmptyStream,
+ kEmptyFile,
+ kAnti,
+
+ kName,
+ kCTime,
+ kATime,
+ kMTime,
+ kWinAttrib,
+ kComment,
+
+ kEncodedHeader,
+
+ kStartPos,
+ kDummy
+
+ // kNtSecure,
+ // kParent,
+ // kIsAux
+ };
+}
+
+
+const UInt32 k_Copy = 0;
+const UInt32 k_Delta = 3;
+
+const UInt32 k_LZMA2 = 0x21;
+
+const UInt32 k_SWAP2 = 0x20302;
+const UInt32 k_SWAP4 = 0x20304;
+
+const UInt32 k_LZMA = 0x30101;
+const UInt32 k_PPMD = 0x30401;
+
+const UInt32 k_Deflate = 0x40108;
+const UInt32 k_BZip2 = 0x40202;
+
+const UInt32 k_BCJ = 0x3030103;
+const UInt32 k_BCJ2 = 0x303011B;
+const UInt32 k_PPC = 0x3030205;
+const UInt32 k_IA64 = 0x3030401;
+const UInt32 k_ARM = 0x3030501;
+const UInt32 k_ARMT = 0x3030701;
+const UInt32 k_SPARC = 0x3030805;
+
+const UInt32 k_AES = 0x6F10701;
+
+
+static inline bool IsFilterMethod(UInt64 m)
+{
+ if (m > (UInt64)0xFFFFFFFF)
+ return false;
+ switch ((UInt32)m)
+ {
+ case k_Delta:
+ case k_BCJ:
+ case k_BCJ2:
+ case k_PPC:
+ case k_IA64:
+ case k_ARM:
+ case k_ARMT:
+ case k_SPARC:
+ case k_SWAP2:
+ case k_SWAP4:
+ return true;
+ }
+ return false;
+}
+
+}}
+
+#endif