67 lines
1.5 KiB
C++
67 lines
1.5 KiB
C++
// Archive/CabItem.h
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#ifndef __ARCHIVE_CAB_ITEM_H
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#define __ARCHIVE_CAB_ITEM_H
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#include "../../../Common/MyString.h"
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#include "CabHeader.h"
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namespace NArchive {
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namespace NCab {
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const unsigned kNumMethodsMax = 16;
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struct CFolder
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{
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UInt32 DataStart; // offset of the first CFDATA block in this folder
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UInt16 NumDataBlocks; // number of CFDATA blocks in this folder
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Byte MethodMajor;
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Byte MethodMinor;
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Byte GetMethod() const { return (Byte)(MethodMajor & 0xF); }
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};
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struct CItem
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{
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AString Name;
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UInt32 Offset;
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UInt32 Size;
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UInt32 Time;
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UInt32 FolderIndex;
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UInt16 Flags;
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UInt16 Attributes;
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UInt64 GetEndOffset() const { return (UInt64)Offset + Size; }
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UInt32 GetWinAttrib() const { return (UInt32)Attributes & ~(UInt32)NHeader::kFileNameIsUtf8_Mask; }
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bool IsNameUTF() const { return (Attributes & NHeader::kFileNameIsUtf8_Mask) != 0; }
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bool IsDir() const { return (Attributes & FILE_ATTRIBUTE_DIRECTORY) != 0; }
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bool ContinuedFromPrev() const
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{
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return
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FolderIndex == NHeader::NFolderIndex::kContinuedFromPrev ||
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FolderIndex == NHeader::NFolderIndex::kContinuedPrevAndNext;
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}
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bool ContinuedToNext() const
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{
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return
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FolderIndex == NHeader::NFolderIndex::kContinuedToNext ||
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FolderIndex == NHeader::NFolderIndex::kContinuedPrevAndNext;
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}
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int GetFolderIndex(unsigned numFolders) const
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{
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if (ContinuedFromPrev())
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return 0;
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if (ContinuedToNext())
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return numFolders - 1;
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return FolderIndex;
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}
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};
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}}
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#endif
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