'21.07'21.07

1 files changed, 66 insertions, 0 deletions

diff --git a/CPP/7zip/Archive/Cab/CabItem.h b/CPP/7zip/Archive/Cab/CabItem.h
new file mode 100644
index 0000000..9a912d5
--- /dev/null
+++ b/CPP/7zip/Archive/Cab/CabItem.h
@@ -0,0 +1,66 @@
+// Archive/CabItem.h
+
+#ifndef __ARCHIVE_CAB_ITEM_H
+#define __ARCHIVE_CAB_ITEM_H
+
+#include "../../../Common/MyString.h"
+
+#include "CabHeader.h"
+
+namespace NArchive {
+namespace NCab {
+
+const unsigned kNumMethodsMax = 16;
+
+struct CFolder
+{
+  UInt32 DataStart; // offset of the first CFDATA block in this folder
+  UInt16 NumDataBlocks; // number of CFDATA blocks in this folder
+  Byte MethodMajor;
+  Byte MethodMinor;
+  
+  Byte GetMethod() const { return (Byte)(MethodMajor & 0xF); }
+};
+
+struct CItem
+{
+  AString Name;
+  UInt32 Offset;
+  UInt32 Size;
+  UInt32 Time;
+  UInt32 FolderIndex;
+  UInt16 Flags;
+  UInt16 Attributes;
+  
+  UInt64 GetEndOffset() const { return (UInt64)Offset + Size; }
+  UInt32 GetWinAttrib() const { return (UInt32)Attributes & ~(UInt32)NHeader::kFileNameIsUtf8_Mask; }
+  bool IsNameUTF() const { return (Attributes & NHeader::kFileNameIsUtf8_Mask) != 0; }
+  bool IsDir() 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(unsigned numFolders) const
+  {
+    if (ContinuedFromPrev())
+      return 0;
+    if (ContinuedToNext())
+      return (int)numFolders - 1;
+    return (int)FolderIndex;
+  }
+};
+
+}}
+
+#endif