4.59 beta

CPP/Windows/PropVariantUtils.cpp

@@ -0,0 +1,77 @@
+// PropVariantUtils.cpp
+
+#include "StdAfx.h"
+
+#include "PropVariantUtils.h"
+#include "Common/StringConvert.h"
+#include "Common/IntToString.h"
+
+using namespace NWindows;
+
+static AString GetHex(UInt32 v)
+{
+  char sz[32] = { '0', 'x' };
+  ConvertUInt64ToString(v, sz + 2, 16);
+  return sz;
+}
+
+void StringToProp(const AString &s, NCOM::CPropVariant &prop)
+{
+  prop = MultiByteToUnicodeString(s);
+}
+
+void PairToProp(const CUInt32PCharPair *pairs, unsigned num, UInt32 value, NCOM::CPropVariant &prop)
+{
+  AString s;
+  for (unsigned i = 0; i < num; i++)
+  {
+    const CUInt32PCharPair &p = pairs[i];
+    if (p.Value == value)
+      s = p.Name;
+  }
+  if (s.IsEmpty())
+    s = GetHex(value);
+  StringToProp(s, prop);
+}
+
+AString TypeToString(const char *table[], unsigned num, UInt32 value)
+{
+  if (value < num)
+    return table[value];
+  return GetHex(value);
+}
+
+void TypeToProp(const char *table[], unsigned num, UInt32 value, NCOM::CPropVariant &prop)
+{
+  StringToProp(TypeToString(table, num, value), prop);
+}
+
+
+AString FlagsToString(const CUInt32PCharPair *pairs, unsigned num, UInt32 flags)
+{
+  AString s;
+  for (unsigned i = 0; i < num; i++)
+  {
+    const CUInt32PCharPair &p = pairs[i];
+    if ((flags & p.Value) != 0)
+    {
+      if (!s.IsEmpty())
+        s += ' ';
+      s += p.Name;
+    }
+    flags &= ~p.Value;
+  }
+  if (flags != 0)
+  {
+    if (!s.IsEmpty())
+      s += ' ';
+    s += GetHex(flags);
+  }
+  return s;
+}
+
+void FlagsToProp(const CUInt32PCharPair *pairs, unsigned num, UInt32 flags, NCOM::CPropVariant &prop)
+{
+  StringToProp(FlagsToString(pairs, num, flags), prop);
+}
+