mirror of
https://github.com/Xevion/easy7zip.git
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131 lines
3.2 KiB
C++
Executable File
131 lines
3.2 KiB
C++
Executable File
// Archive/ZipItem.cpp
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#include "StdAfx.h"
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#include "ZipHeader.h"
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#include "ZipItem.h"
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#include "../Common/ItemNameUtils.h"
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namespace NArchive {
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namespace NZip {
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bool operator==(const CVersion &v1, const CVersion &v2)
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{
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return (v1.Version == v2.Version) && (v1.HostOS == v2.HostOS);
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}
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bool operator!=(const CVersion &v1, const CVersion &v2)
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{
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return !(v1 == v2);
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}
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bool CLocalItem::IsImplodeBigDictionary() const
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{
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if (CompressionMethod != NFileHeader::NCompressionMethod::kImploded)
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throw 12312212;
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return (Flags & NFileHeader::NFlags::kImplodeDictionarySizeMask) != 0;
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}
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bool CLocalItem::IsImplodeLiteralsOn() const
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{
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if (CompressionMethod != NFileHeader::NCompressionMethod::kImploded)
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throw 12312213;
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return (Flags & NFileHeader::NFlags::kImplodeLiteralsOnMask) != 0;
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}
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bool CLocalItem::IsDirectory() const
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{
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return NItemName::HasTailSlash(Name, GetCodePage());
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}
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bool CItem::IsDirectory() const
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{
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if (NItemName::HasTailSlash(Name, GetCodePage()))
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return true;
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if (!FromCentral)
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return false;
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WORD highAttributes = WORD((ExternalAttributes >> 16 ) & 0xFFFF);
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switch(MadeByVersion.HostOS)
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{
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case NFileHeader::NHostOS::kAMIGA:
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switch (highAttributes & NFileHeader::NAmigaAttribute::kIFMT)
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{
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case NFileHeader::NAmigaAttribute::kIFDIR:
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return true;
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case NFileHeader::NAmigaAttribute::kIFREG:
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return false;
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default:
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return false; // change it throw kUnknownAttributes;
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}
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case NFileHeader::NHostOS::kFAT:
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case NFileHeader::NHostOS::kNTFS:
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case NFileHeader::NHostOS::kHPFS:
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case NFileHeader::NHostOS::kVFAT:
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return ((ExternalAttributes & FILE_ATTRIBUTE_DIRECTORY) != 0);
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case NFileHeader::NHostOS::kAtari:
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case NFileHeader::NHostOS::kMac:
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case NFileHeader::NHostOS::kVMS:
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case NFileHeader::NHostOS::kVM_CMS:
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case NFileHeader::NHostOS::kAcorn:
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case NFileHeader::NHostOS::kMVS:
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return false; // change it throw kUnknownAttributes;
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default:
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/*
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switch (highAttributes & NFileHeader::NUnixAttribute::kIFMT)
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{
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case NFileHeader::NUnixAttribute::kIFDIR:
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return true;
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default:
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return false;
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}
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*/
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return false;
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}
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}
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UInt32 CLocalItem::GetWinAttributes() const
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{
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DWORD winAttributes = 0;
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if (IsDirectory())
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winAttributes |= FILE_ATTRIBUTE_DIRECTORY;
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return winAttributes;
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}
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UInt32 CItem::GetWinAttributes() const
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{
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DWORD winAttributes = 0;
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switch(MadeByVersion.HostOS)
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{
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case NFileHeader::NHostOS::kFAT:
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case NFileHeader::NHostOS::kNTFS:
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if (FromCentral)
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winAttributes = ExternalAttributes;
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break;
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default:
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winAttributes = 0; // must be converted from unix value;
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}
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if (IsDirectory()) // test it;
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winAttributes |= FILE_ATTRIBUTE_DIRECTORY;
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return winAttributes;
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}
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void CLocalItem::SetFlagBits(int startBitNumber, int numBits, int value)
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{
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UInt16 mask = (UInt16)(((1 << numBits) - 1) << startBitNumber);
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Flags &= ~mask;
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Flags |= value << startBitNumber;
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}
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void CLocalItem::SetBitMask(int bitMask, bool enable)
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{
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if(enable)
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Flags |= bitMask;
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else
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Flags &= ~bitMask;
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}
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void CLocalItem::SetEncrypted(bool encrypted)
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{ SetBitMask(NFileHeader::NFlags::kEncrypted, encrypted); }
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}}
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