Files
easy7zip/7zip/Archive/Iso/IsoItem.h
Igor Pavlov 8304895f29 4.36 beta
2016-05-28 00:15:47 +01:00

72 lines
1.5 KiB
C++
Executable File

// Archive/IsoItem.h
#ifndef __ARCHIVE_ISO_ITEM_H
#define __ARCHIVE_ISO_ITEM_H
#include "Common/Types.h"
#include "Common/String.h"
#include "Common/Buffer.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
{
SYSTEMTIME st;
st.wYear = Year + 1900;
st.wMonth = Month;
st.wDayOfWeek = 0; // check it
st.wDay = Day;
st.wHour = Hour;
st.wMinute = Minute;
st.wSecond = Second;
st.wMilliseconds = 0;
if (!SystemTimeToFileTime(&st, &ft))
return false;
UInt64 value = (((UInt64)ft.dwHighDateTime) << 32) + ft.dwLowDateTime;
value += (UInt64)((Int64)(int)GmtOffset * 15 * 60);
ft.dwLowDateTime = (DWORD)value;
ft.dwHighDateTime = DWORD(value >> 32);
return true;
}
};
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);
}
};
}}
#endif