1 files changed, 161 insertions, 0 deletions

diff --git a/CPP/Windows/PropVariantUtils.cpp b/CPP/Windows/PropVariantUtils.cpp
new file mode 100644
index 0000000..6daee83
--- /dev/null
+++ b/CPP/Windows/PropVariantUtils.cpp
@@ -0,0 +1,161 @@
+// PropVariantUtils.cpp
+
+#include "StdAfx.h"
+
+#include "../Common/IntToString.h"
+
+#include "PropVariantUtils.h"
+
+using namespace NWindows;
+
+static void AddHex(AString &s, UInt32 v)
+{
+  char sz[16];
+  sz[0] = '0';
+  sz[1] = 'x';
+  ConvertUInt32ToHex(v, sz + 2);
+  s += sz;
+}
+
+
+AString TypePairToString(const CUInt32PCharPair *pairs, unsigned num, UInt32 value)
+{
+  char sz[16];
+  const char *p = NULL;
+  for (unsigned i = 0; i < num; i++)
+  {
+    const CUInt32PCharPair &pair = pairs[i];
+    if (pair.Value == value)
+      p = pair.Name;
+  }
+  if (!p)
+  {
+    ConvertUInt32ToString(value, sz);
+    p = sz;
+  }
+  return (AString)p;
+}
+
+void PairToProp(const CUInt32PCharPair *pairs, unsigned num, UInt32 value, NCOM::CPropVariant &prop)
+{
+  prop = TypePairToString(pairs, num, value);
+}
+
+
+AString TypeToString(const char * const table[], unsigned num, UInt32 value)
+{
+  char sz[16];
+  const char *p = NULL;
+  if (value < num)
+    p = table[value];
+  if (!p)
+  {
+    ConvertUInt32ToString(value, sz);
+    p = sz;
+  }
+  return (AString)p;
+}
+
+void TypeToProp(const char * const table[], unsigned num, UInt32 value, NWindows::NCOM::CPropVariant &prop)
+{
+  char sz[16];
+  const char *p = NULL;
+  if (value < num)
+    p = table[value];
+  if (!p)
+  {
+    ConvertUInt32ToString(value, sz);
+    p = sz;
+  }
+  prop = p;
+}
+
+
+AString FlagsToString(const char * const *names, unsigned num, UInt32 flags)
+{
+  AString s;
+  for (unsigned i = 0; i < num; i++)
+  {
+    UInt32 flag = (UInt32)1 << i;
+    if ((flags & flag) != 0)
+    {
+      const char *name = names[i];
+      if (name && name[0] != 0)
+      {
+        s.Add_OptSpaced(name);
+        flags &= ~flag;
+      }
+    }
+  }
+  if (flags != 0)
+  {
+    s.Add_Space_if_NotEmpty();
+    AddHex(s, flags);
+  }
+  return s;
+}
+
+AString FlagsToString(const CUInt32PCharPair *pairs, unsigned num, UInt32 flags)
+{
+  AString s;
+  for (unsigned i = 0; i < num; i++)
+  {
+    const CUInt32PCharPair &p = pairs[i];
+    UInt32 flag = (UInt32)1 << (unsigned)p.Value;
+    if ((flags & flag) != 0)
+    {
+      if (p.Name[0] != 0)
+        s.Add_OptSpaced(p.Name);
+    }
+    flags &= ~flag;
+  }
+  if (flags != 0)
+  {
+    s.Add_Space_if_NotEmpty();
+    AddHex(s, flags);
+  }
+  return s;
+}
+
+void FlagsToProp(const char * const *names, unsigned num, UInt32 flags, NCOM::CPropVariant &prop)
+{
+  prop = FlagsToString(names, num, flags);
+}
+
+void FlagsToProp(const CUInt32PCharPair *pairs, unsigned num, UInt32 flags, NCOM::CPropVariant &prop)
+{
+  prop = FlagsToString(pairs, num, flags);
+}
+
+
+static AString Flags64ToString(const CUInt32PCharPair *pairs, unsigned num, UInt64 flags)
+{
+  AString s;
+  for (unsigned i = 0; i < num; i++)
+  {
+    const CUInt32PCharPair &p = pairs[i];
+    UInt64 flag = (UInt64)1 << (unsigned)p.Value;
+    if ((flags & flag) != 0)
+    {
+      if (p.Name[0] != 0)
+        s.Add_OptSpaced(p.Name);
+    }
+    flags &= ~flag;
+  }
+  if (flags != 0)
+  {
+    {
+      char sz[32];
+      sz[0] = '0';
+      sz[1] = 'x';
+      ConvertUInt64ToHex(flags, sz + 2);
+      s.Add_OptSpaced(sz);
+    }
+  }
+  return s;
+}
+
+void Flags64ToProp(const CUInt32PCharPair *pairs, unsigned num, UInt64 flags, NCOM::CPropVariant &prop)
+{
+  prop = Flags64ToString(pairs, num, flags);
+}