1 files changed, 181 insertions, 0 deletions
diff --git a/src/libs/7zip/unix/CPP/7zip/Archive/Zip/ZipItem.cpp b/src/libs/7zip/unix/CPP/7zip/Archive/Zip/ZipItem.cpp
new file mode 100644
index 000000000..4dd58f7d6
--- /dev/null
+++ b/src/libs/7zip/unix/CPP/7zip/Archive/Zip/ZipItem.cpp
@@ -0,0 +1,181 @@
+// Archive/ZipItem.cpp
+
+#include "StdAfx.h"
+
+#include "ZipHeader.h"
+#include "ZipItem.h"
+#include "../Common/ItemNameUtils.h"
+#include "../../../../C/CpuArch.h"
+
+namespace NArchive {
+namespace NZip {
+
+bool operator==(const CVersion &v1, const CVersion &v2)
+{
+  return (v1.Version == v2.Version) && (v1.HostOS == v2.HostOS);
+}
+
+bool operator!=(const CVersion &v1, const CVersion &v2)
+{
+  return !(v1 == v2);
+}
+
+bool CExtraSubBlock::ExtractNtfsTime(int index, FILETIME &ft) const
+{
+  ft.dwHighDateTime = ft.dwLowDateTime = 0;
+  UInt32 size = (UInt32)Data.GetCapacity();
+  if (ID != NFileHeader::NExtraID::kNTFS || size < 32)
+    return false;
+  const Byte *p = (const Byte *)Data;
+  p += 4; // for reserved
+  size -= 4;
+  while (size > 4)
+  {
+    UInt16 tag = GetUi16(p);
+    UInt32 attrSize = GetUi16(p + 2);
+    p += 4;
+    size -= 4;
+    if (attrSize > size)
+      attrSize = size;
+    
+    if (tag == NFileHeader::NNtfsExtra::kTagTime && attrSize >= 24)
+    {
+      p += 8 * index;
+      ft.dwLowDateTime = GetUi32(p);
+      ft.dwHighDateTime = GetUi32(p + 4);
+      return true;
+    }
+    p += attrSize;
+    size -= attrSize;
+  }
+  return false;
+}
+
+bool CExtraSubBlock::ExtractUnixTime(int index, UInt32 &res) const
+{
+  res = 0;
+  UInt32 size = (UInt32)Data.GetCapacity();
+  if (ID != NFileHeader::NExtraID::kUnixTime || size < 5)
+    return false;
+  const Byte *p = (const Byte *)Data;
+  Byte flags = *p++;
+  size--;
+  for (int i = 0; i < 3; i++)
+    if ((flags & (1 << i)) != 0)
+    {
+      if (size < 4)
+        return false;
+      if (index == i)
+      {
+        res = GetUi32(p);
+        return true;
+      }
+      p += 4;
+      size -= 4;
+    }
+  return false;
+}
+
+bool CLocalItem::IsDir() const
+{
+  return NItemName::HasTailSlash(Name, GetCodePage());
+}
+
+bool CItem::IsDir() const
+{
+  if (NItemName::HasTailSlash(Name, GetCodePage()))
+    return true;
+  if (!FromCentral)
+    return false;
+  WORD highAttributes = WORD((ExternalAttributes >> 16 ) & 0xFFFF);
+  switch(MadeByVersion.HostOS)
+  {
+    case NFileHeader::NHostOS::kAMIGA:
+      switch (highAttributes & NFileHeader::NAmigaAttribute::kIFMT)
+      {
+        case NFileHeader::NAmigaAttribute::kIFDIR: return true;
+        case NFileHeader::NAmigaAttribute::kIFREG: return false;
+        default: return false; // change it throw kUnknownAttributes;
+      }
+    case NFileHeader::NHostOS::kFAT:
+    case NFileHeader::NHostOS::kNTFS:
+    case NFileHeader::NHostOS::kHPFS:
+    case NFileHeader::NHostOS::kVFAT:
+      return ((ExternalAttributes & FILE_ATTRIBUTE_DIRECTORY) != 0);
+    case NFileHeader::NHostOS::kAtari:
+    case NFileHeader::NHostOS::kMac:
+    case NFileHeader::NHostOS::kVMS:
+    case NFileHeader::NHostOS::kVM_CMS:
+    case NFileHeader::NHostOS::kAcorn:
+    case NFileHeader::NHostOS::kMVS:
+      return false; // change it throw kUnknownAttributes;
+    default:
+      /*
+      switch (highAttributes & NFileHeader::NUnixAttribute::kIFMT)
+      {
+        case NFileHeader::NUnixAttribute::kIFDIR:
+          return true;
+        default:
+          return false;
+      }
+      */
+      return false;
+  }
+}
+
+#ifndef FILE_ATTRIBUTE_UNIX_EXTENSION
+UInt32 CLocalItem::GetWinAttributes() const
+{
+  DWORD winAttributes = 0;
+  if (IsDir())
+    winAttributes |= FILE_ATTRIBUTE_DIRECTORY;
+  return winAttributes;
+}
+#endif
+
+UInt32 CItem::GetWinAttributes() const
+{
+  DWORD winAttributes = 0;
+  switch(MadeByVersion.HostOS)
+  {
+    case NFileHeader::NHostOS::kFAT:
+    case NFileHeader::NHostOS::kNTFS:
+      if (FromCentral)
+        winAttributes = ExternalAttributes;
+      break;
+#ifdef FILE_ATTRIBUTE_UNIX_EXTENSION
+    case NFileHeader::NHostOS::kUnix:
+        winAttributes = (ExternalAttributes & 0xFFFF0000) | FILE_ATTRIBUTE_UNIX_EXTENSION; 
+        if (winAttributes & (NFileHeader::NUnixAttribute::kIFDIR << 16))
+		winAttributes |= FILE_ATTRIBUTE_DIRECTORY;
+        return winAttributes;
+#endif
+    default:
+      winAttributes = 0; // must be converted from unix value;
+  }
+  if (IsDir())       // test it;
+    winAttributes |= FILE_ATTRIBUTE_DIRECTORY;
+  return winAttributes;
+}
+
+void CLocalItem::SetFlagBits(int startBitNumber, int numBits, int value)
+{
+  UInt16 mask = (UInt16)(((1 << numBits) - 1) << startBitNumber);
+  Flags &= ~mask;
+  Flags |= value << startBitNumber;
+}
+
+void CLocalItem::SetBitMask(int bitMask, bool enable)
+{
+  if(enable)
+    Flags |= bitMask;
+  else
+    Flags &= ~bitMask;
+}
+
+void CLocalItem::SetEncrypted(bool encrypted)
+  { SetBitMask(NFileHeader::NFlags::kEncrypted, encrypted); }
+void CLocalItem::SetUtf8(bool isUtf8)
+  { SetBitMask(NFileHeader::NFlags::kUtf8, isUtf8); }
+
+}}