1 files changed, 141 insertions, 0 deletions
diff --git a/src/libs/7zip/unix/CPP/7zip/Archive/Iso/IsoItem.h b/src/libs/7zip/unix/CPP/7zip/Archive/Iso/IsoItem.h
new file mode 100644
index 000000000..f39c2f5d2
--- /dev/null
+++ b/src/libs/7zip/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