1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 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 numFolders - 1;
return FolderIndex;
}
};
}}
#endif
|