4.44 beta

CPP/7zip/Archive/Cab/CabItem.h

@@ -0,0 +1,62 @@
+// Archive/CabItem.h
+
+#ifndef __ARCHIVE_CAB_ITEM_H
+#define __ARCHIVE_CAB_ITEM_H
+
+#include "Common/Types.h"
+#include "Common/String.h"
+#include "CabHeader.h"
+
+namespace NArchive {
+namespace NCab {
+
+struct CFolder
+{
+  UInt32 DataStart; // offset of the first CFDATA block in this folder
+  UInt16 NumDataBlocks; // number of CFDATA blocks in this folder
+  Byte CompressionTypeMajor;
+  Byte CompressionTypeMinor;
+  Byte GetCompressionMethod() const { return (Byte)(CompressionTypeMajor & 0xF); }
+};
+
+class CItem
+{
+public:
+  AString Name;
+  UInt32 Offset;
+  UInt32 Size;
+  UInt32 Time;
+  UInt16 FolderIndex;
+  UInt16 Flags;
+  UInt16 Attributes;
+  UInt64 GetEndOffset() const { return (UInt64)Offset + Size; }
+  UInt32 GetWinAttributes() const { return (Attributes & ~NHeader::kFileNameIsUTFAttributeMask); }
+  bool IsNameUTF() const { return (Attributes & NHeader::kFileNameIsUTFAttributeMask) != 0; }
+  bool IsDirectory() const { return (Attributes & FILE_ATTRIBUTE_DIRECTORY) != 0; }
+
+  bool ContinuedFromPrev() const 
+  { 
+    return 
+      (FolderIndex == NHeader::NFolderIndex::kContinuedFromPrev) ||
+      (FolderIndex == NHeader::NFolderIndex::kContinuedPrevAndNext);
+  }
+  bool ContinuedToNext() const 
+  { 
+    return 
+      (FolderIndex == NHeader::NFolderIndex::kContinuedToNext) ||
+      (FolderIndex == NHeader::NFolderIndex::kContinuedPrevAndNext);
+  }
+
+  int GetFolderIndex(int numFolders) const 
+  { 
+    if (ContinuedFromPrev())
+      return 0;
+    if (ContinuedToNext())
+      return (numFolders - 1);
+    return FolderIndex;
+  }
+};
+
+}}
+
+#endif