1 files changed, 95 insertions, 0 deletions

diff --git a/public/sdk/inc/stgvarb.hxx b/public/sdk/inc/stgvarb.hxx
new file mode 100644
index 000000000..d737fce4f
--- /dev/null
+++ b/public/sdk/inc/stgvarb.hxx
@@ -0,0 +1,95 @@
+//+-------------------------------------------------------------------------
+//
+//  Microsoft Windows
+//  Copyright (C) Microsoft Corporation, 1992 - 1992.
+//
+//  File:       StgVarB.hxx - Storage Variant Base Class
+//
+//  Contents:   C++ Base wrapper for PROPVARIANT.
+//
+//  History:    01-Aug-94 KyleP     Created
+//
+//--------------------------------------------------------------------------
+
+#if !defined(__STGVARB_HXX__)
+#define __STGVARB_HXX__
+
+class PSerStream;
+class PDeSerStream;
+
+class PMemoryAllocator
+{
+public:
+    virtual void *Allocate(ULONG cbSize) = 0;
+    virtual void Free(void *pv) = 0;
+};
+
+
+#if defined(OFSDBG) || defined(CIDBG)
+#define DBGPROP (OFSDBG || DBG || CIDBG)
+#else
+#define DBGPROP DBG
+#endif
+
+#if DBGPROP
+#if !defined(_NTDLLBUILD_)
+#define ENABLE_DISPLAY_VARIANT
+#endif
+#endif
+
+#if defined(_NTDLLBUILD_) && defined(_CAIRO_)
+#define OLDSUMCATAPI
+#endif
+
+#if !defined(_NTDLLBUILD_) || defined(OLDSUMCATAPI)
+#define ENABLE_MARSHAL_VARIANT
+#endif
+
+
+//+-------------------------------------------------------------------------
+//
+//  Class:      CBaseStorageVariant
+//
+//  Purpose:    C++ wrapper for PROPVARIANT
+//
+//  History:    01-Aug-94 KyleP     Created
+//
+//  Notes:      Only contains a static method to unmarshal from a stream.
+//
+//--------------------------------------------------------------------------
+
+class CBaseStorageVariant: public /* VC 5 fix - Was "protected" */ tagPROPVARIANT
+{
+#if defined(OLDSUMCATAPI)
+    friend void MarshallVariant(PSerStream &stm, PROPVARIANT &var);
+#endif
+
+public:
+    CBaseStorageVariant() {}
+    CBaseStorageVariant(PROPVARIANT& var): tagPROPVARIANT(var) {}
+
+#ifdef KERNEL
+    static NTSTATUS UnmarshalledSize( PDeSerStream &stm, ULONG & cb );
+#endif
+
+    static NTSTATUS Unmarshall(
+                        PDeSerStream &stm,
+                        PROPVARIANT &sv,
+                        PMemoryAllocator &ma);
+
+#ifdef ENABLE_MARSHAL_VARIANT
+    void Marshall(PSerStream& stm) const;
+#endif
+
+#ifdef ENABLE_DISPLAY_VARIANT
+    VOID DisplayVariant(ULONG ulLevel, USHORT CodePage) const;
+#endif
+};
+
+
+#if defined(OLDSUMCATAPI)
+extern void MarshallVariant(PSerStream &stm, PROPVARIANT &var);
+#endif
+
+
+#endif // __STGVARB_HXX__