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https://github.com/Xevion/easy7zip.git
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97 lines
1.7 KiB
C++
Executable File
97 lines
1.7 KiB
C++
Executable File
// Archive/ZipItem.h
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#ifndef __ARCHIVE_ZIP_ITEM_H
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#define __ARCHIVE_ZIP_ITEM_H
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#include "Common/Types.h"
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#include "Common/String.h"
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#include "Common/Buffer.h"
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#include "ZipHeader.h"
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namespace NArchive {
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namespace NZip {
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struct CVersion
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{
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Byte Version;
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Byte HostOS;
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};
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bool operator==(const CVersion &v1, const CVersion &v2);
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bool operator!=(const CVersion &v1, const CVersion &v2);
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struct CExtraSubBlock
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{
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UInt16 ID;
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CByteBuffer Data;
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};
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struct CExtraBlock
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{
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CObjectVector<CExtraSubBlock> SubBlocks;
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void Clear() { SubBlocks.Clear(); }
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size_t GetSize() const
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{
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size_t res = 0;
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for (int i = 0; i < SubBlocks.Size(); i++)
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res += SubBlocks[i].Data.GetCapacity() + 2 + 2;
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return res;
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}
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};
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class CItem
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{
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public:
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CVersion MadeByVersion;
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CVersion ExtractVersion;
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UInt16 Flags;
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UInt16 CompressionMethod;
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UInt32 Time;
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UInt32 FileCRC;
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UInt64 PackSize;
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UInt64 UnPackSize;
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UInt16 InternalAttributes;
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UInt32 ExternalAttributes;
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AString Name;
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UInt64 LocalHeaderPosition;
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UInt16 LocalExtraSize;
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CExtraBlock CentralExtra;
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CByteBuffer Comment;
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bool IsEncrypted() const;
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bool IsImplodeBigDictionary() const;
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bool IsImplodeLiteralsOn() const;
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bool IsDirectory() const;
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bool IgnoreItem() const { return false; }
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UInt32 GetWinAttributes() const;
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bool HasDescriptor() const;
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WORD GetCodePage() const
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{
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return (MadeByVersion.HostOS == NFileHeader::NHostOS::kFAT
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|| MadeByVersion.HostOS == NFileHeader::NHostOS::kNTFS
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) ? CP_OEMCP : CP_ACP;
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}
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private:
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void SetFlagBits(int startBitNumber, int numBits, int value);
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void SetBitMask(int bitMask, bool enable);
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public:
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void ClearFlags();
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void SetEncrypted(bool encrypted);
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};
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}}
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#endif
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