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-rw-r--r--src/libs/7zip/win/CPP/7zip/Archive/Com/ComIn.h119
1 files changed, 119 insertions, 0 deletions
diff --git a/src/libs/7zip/win/CPP/7zip/Archive/Com/ComIn.h b/src/libs/7zip/win/CPP/7zip/Archive/Com/ComIn.h
new file mode 100644
index 000000000..429d3796e
--- /dev/null
+++ b/src/libs/7zip/win/CPP/7zip/Archive/Com/ComIn.h
@@ -0,0 +1,119 @@
+// Archive/ComIn.h
+
+#ifndef __ARCHIVE_COM_IN_H
+#define __ARCHIVE_COM_IN_H
+
+#include "Common/MyString.h"
+#include "Common/Buffer.h"
+
+namespace NArchive {
+namespace NCom {
+
+struct CUInt32Buf
+{
+ UInt32 *_buf;
+public:
+ CUInt32Buf(): _buf(0) {}
+ ~CUInt32Buf() { Free(); }
+ void Free();
+ bool Allocate(UInt32 numItems);
+ operator UInt32 *() const { return _buf; };
+};
+
+namespace NFatID
+{
+ const UInt32 kFree = 0xFFFFFFFF;
+ const UInt32 kEndOfChain = 0xFFFFFFFE;
+ const UInt32 kFatSector = 0xFFFFFFFD;
+ const UInt32 kMatSector = 0xFFFFFFFC;
+ const UInt32 kMaxValue = 0xFFFFFFFA;
+}
+
+namespace NItemType
+{
+ const Byte kEmpty = 0;
+ const Byte kStorage = 1;
+ const Byte kStream = 2;
+ const Byte kLockBytes = 3;
+ const Byte kProperty = 4;
+ const Byte kRootStorage = 5;
+}
+
+const UInt32 kNameSizeMax = 64;
+
+struct CItem
+{
+ Byte Name[kNameSizeMax];
+ // UInt16 NameSize;
+ // UInt32 Flags;
+ FILETIME CTime;
+ FILETIME MTime;
+ UInt64 Size;
+ UInt32 LeftDid;
+ UInt32 RightDid;
+ UInt32 SonDid;
+ UInt32 Sid;
+ Byte Type;
+
+ bool IsEmpty() const { return Type == NItemType::kEmpty; }
+ bool IsDir() const { return Type == NItemType::kStorage || Type == NItemType::kRootStorage; }
+
+ void Parse(const Byte *p, bool mode64bit);
+};
+
+struct CRef
+{
+ int Parent;
+ UInt32 Did;
+};
+
+class CDatabase
+{
+ UInt32 NumSectorsInMiniStream;
+ CUInt32Buf MiniSids;
+
+ HRESULT AddNode(int parent, UInt32 did);
+public:
+
+ CUInt32Buf Fat;
+ UInt32 FatSize;
+
+ CUInt32Buf Mat;
+ UInt32 MatSize;
+
+ CObjectVector<CItem> Items;
+ CRecordVector<CRef> Refs;
+
+ UInt32 LongStreamMinSize;
+ int SectorSizeBits;
+ int MiniSectorSizeBits;
+
+ Int32 MainSubfile;
+
+ void Clear();
+ bool IsLargeStream(UInt64 size) const { return size >= LongStreamMinSize; }
+ UString GetItemPath(UInt32 index) const;
+
+ UInt64 GetItemPackSize(UInt64 size) const
+ {
+ UInt64 mask = ((UInt64)1 << (IsLargeStream(size) ? SectorSizeBits : MiniSectorSizeBits)) - 1;
+ return (size + mask) & ~mask;
+ }
+
+ bool GetMiniCluster(UInt32 sid, UInt64 &res) const
+ {
+ int subBits = SectorSizeBits - MiniSectorSizeBits;
+ UInt32 fid = sid >> subBits;
+ if (fid >= NumSectorsInMiniStream)
+ return false;
+ res = (((UInt64)MiniSids[fid] + 1) << subBits) + (sid & ((1 << subBits) - 1));
+ return true;
+ }
+
+ HRESULT Open(IInStream *inStream);
+};
+
+
+}}
+
+#endif