4.36 beta

7zip/Archive/Iso/IsoItem.h

@@ -0,0 +1,71 @@
+// 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