4.44 beta

CPP/7zip/UI/Common/PropIDUtils.cpp

@@ -0,0 +1,90 @@
+// PropIDUtils.cpp
+
+#include "StdAfx.h"
+
+#include "PropIDUtils.h"
+
+#include "Common/IntToString.h"
+#include "Common/StringConvert.h"
+
+#include "Windows/FileFind.h"
+#include "Windows/PropVariantConversions.h"
+
+#include "../../PropID.h"
+
+using namespace NWindows;
+
+static UString ConvertUInt32ToString(UInt32 value)
+{
+  wchar_t buffer[32];
+  ConvertUInt64ToString(value, buffer);
+  return buffer;
+}
+
+static void ConvertUInt32ToHex(UInt32 value, wchar_t *s)
+{
+  for (int i = 0; i < 8; i++)
+  {
+    int t = value & 0xF;
+    value >>= 4;
+    s[7 - i] = (wchar_t)((t < 10) ? (L'0' + t) : (L'A' + (t - 10)));
+  }
+  s[8] = L'\0';
+}
+
+UString ConvertPropertyToString(const PROPVARIANT &propVariant, 
+    PROPID propID, bool full)
+{
+  switch(propID)
+  {
+    case kpidCreationTime:
+    case kpidLastWriteTime:
+    case kpidLastAccessTime:
+    {
+      if (propVariant.vt != VT_FILETIME)
+        return UString(); // It is error;
+      FILETIME localFileTime;
+      if (propVariant.filetime.dwHighDateTime == 0 && 
+          propVariant.filetime.dwLowDateTime == 0)
+        return UString();
+      if (!::FileTimeToLocalFileTime(&propVariant.filetime, &localFileTime))
+        return UString(); // It is error;
+      return ConvertFileTimeToString(localFileTime, true, full);
+    }
+    case kpidCRC:
+    {
+      if(propVariant.vt != VT_UI4)
+        break;
+      wchar_t temp[12];
+      ConvertUInt32ToHex(propVariant.ulVal, temp);
+      return temp;
+    }
+    case kpidAttributes:
+    {
+      if(propVariant.vt != VT_UI4)
+        break;
+      UString result;
+      UInt32 attributes = propVariant.ulVal;
+      if (NFile::NFind::NAttributes::IsReadOnly(attributes)) result += L'R';
+      if (NFile::NFind::NAttributes::IsHidden(attributes)) result += L'H';
+      if (NFile::NFind::NAttributes::IsSystem(attributes)) result += L'S';
+      if (NFile::NFind::NAttributes::IsDirectory(attributes)) result += L'D';
+      if (NFile::NFind::NAttributes::IsArchived(attributes)) result += L'A';
+      if (NFile::NFind::NAttributes::IsCompressed(attributes)) result += L'C';
+      if (NFile::NFind::NAttributes::IsEncrypted(attributes)) result += L'E';
+      return result;
+    }
+    case kpidDictionarySize:
+    {
+      if(propVariant.vt != VT_UI4)
+        break;
+      UInt32 size = propVariant.ulVal;
+      if (size % (1 << 20) == 0)
+        return ConvertUInt32ToString(size >> 20) + L"MB";
+      if (size % (1 << 10) == 0)
+        return ConvertUInt32ToString(size >> 10) + L"KB";
+      return ConvertUInt32ToString(size);
+    }
+  }
+  return ConvertPropVariantToString(propVariant);
+}