diff options
Diffstat (limited to 'installerbuilder/libinstaller/3rdparty/p7zip_9.04/unix/CPP/7zip/Archive/Iso/IsoItem.h')
-rw-r--r-- | installerbuilder/libinstaller/3rdparty/p7zip_9.04/unix/CPP/7zip/Archive/Iso/IsoItem.h | 141 |
1 files changed, 141 insertions, 0 deletions
diff --git a/installerbuilder/libinstaller/3rdparty/p7zip_9.04/unix/CPP/7zip/Archive/Iso/IsoItem.h b/installerbuilder/libinstaller/3rdparty/p7zip_9.04/unix/CPP/7zip/Archive/Iso/IsoItem.h new file mode 100644 index 000000000..f39c2f5d2 --- /dev/null +++ b/installerbuilder/libinstaller/3rdparty/p7zip_9.04/unix/CPP/7zip/Archive/Iso/IsoItem.h @@ -0,0 +1,141 @@ +// Archive/IsoItem.h + +#ifndef __ARCHIVE_ISO_ITEM_H +#define __ARCHIVE_ISO_ITEM_H + +#include "Common/Types.h" +#include "Common/MyString.h" +#include "Common/Buffer.h" + +#include "Windows/Time.h" + +#include "IsoHeader.h" + +namespace NArchive { +namespace NIso { + +struct CRecordingDateTime +{ + Byte Year; + Byte Month; + Byte Day; + Byte Hour; + Byte Minute; + Byte Second; + signed char GmtOffset; // min intervals from -48 (West) to +52 (East) recorded. + + bool GetFileTime(FILETIME &ft) const + { + UInt64 value; + bool res = NWindows::NTime::GetSecondsSince1601(Year + 1900, Month, Day, Hour, Minute, Second, value); + if (res) + { + value -= (UInt64)((Int64)GmtOffset * 15 * 60); + value *= 10000000; + } + ft.dwLowDateTime = (DWORD)value; + ft.dwHighDateTime = (DWORD)(value >> 32); + return res; + } +}; + +struct CDirRecord +{ + Byte ExtendedAttributeRecordLen; + UInt32 ExtentLocation; + UInt32 DataLength; + CRecordingDateTime DateTime; + Byte FileFlags; + Byte FileUnitSize; + Byte InterleaveGapSize; + UInt16 VolSequenceNumber; + CByteBuffer FileId; + CByteBuffer SystemUse; + + bool IsDir() const { return (FileFlags & NFileFlags::kDirectory) != 0; } + bool IsSystemItem() const + { + if (FileId.GetCapacity() != 1) + return false; + Byte b = *(const Byte *)FileId; + return (b == 0 || b == 1); + } + + const Byte* FindSuspName(int skipSize, int &lenRes) const + { + lenRes = 0; + const Byte *p = (const Byte *)SystemUse + skipSize; + int length = (int)(SystemUse.GetCapacity() - skipSize); + while (length >= 5) + { + int len = p[2]; + if (p[0] == 'N' && p[1] == 'M' && p[3] == 1) + { + lenRes = len - 5; + return p + 5; + } + p += len; + length -= len; + } + return 0; + } + + int GetLengthCur(bool checkSusp, int skipSize) const + { + if (checkSusp) + { + int len; + const Byte *res = FindSuspName(skipSize, len); + if (res != 0) + return len; + } + return (int)FileId.GetCapacity(); + } + + const Byte* GetNameCur(bool checkSusp, int skipSize) const + { + if (checkSusp) + { + int len; + const Byte *res = FindSuspName(skipSize, len); + if (res != 0) + return res; + } + return (const Byte *)FileId; + } + + + bool CheckSusp(const Byte *p, int &startPos) const + { + if (p[0] == 'S' && + p[1] == 'P' && + p[2] == 0x7 && + p[3] == 0x1 && + p[4] == 0xBE && + p[5] == 0xEF) + { + startPos = p[6]; + return true; + } + return false; + } + + bool CheckSusp(int &startPos) const + { + const Byte *p = (const Byte *)SystemUse; + int length = (int)SystemUse.GetCapacity(); + const int kMinLen = 7; + if (length < kMinLen) + return false; + if (CheckSusp(p, startPos)) + return true; + const int kOffset2 = 14; + if (length < kOffset2 + kMinLen) + return false; + return CheckSusp(p + kOffset2, startPos); + } +}; + +}} + +#endif |