X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/14f355c2b5c71fc7c3d680aea366582d2ac60f7b..33820d94285c0004acce756e7d10d9698e6387d1:/src/msw/ole/oleutils.cpp

diff --git a/src/msw/ole/oleutils.cpp b/src/msw/ole/oleutils.cpp
index c8ce51a5b7..cd7dd75edc 100644
--- a/src/msw/ole/oleutils.cpp
+++ b/src/msw/ole/oleutils.cpp
@@ -1,5 +1,5 @@
 ///////////////////////////////////////////////////////////////////////////////
-// Name:        ole/oleutils.cpp
+// Name:        src/msw/ole/oleutils.cpp
 // Purpose:     implementation of OLE helper functions
 // Author:      Vadim Zeitlin
 // Modified by:
@@ -17,22 +17,19 @@
 // headers
 // ----------------------------------------------------------------------------
 
-#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
-#pragma implementation "oleutils.h"
-#endif
-
 // For compilers that support precompilation, includes "wx.h".
 #include "wx/wxprec.h"
 
 #if defined(__BORLANDC__)
-#pragma hdrstop
+    #pragma hdrstop
 #endif
 
-#include  "wx/setup.h"
-#include  "wx/log.h"
-
 #if wxUSE_OLE
 
+#ifndef WX_PRECOMP
+    #include "wx/log.h"
+#endif
+
 #ifndef __CYGWIN10__
 
 #include "wx/msw/private.h"
@@ -60,15 +57,71 @@
 // Implementation
 // ============================================================================
 
-// return TRUE if the iid is in the array
+// return true if the iid is in the array
 bool IsIidFromList(REFIID riid, const IID *aIids[], size_t nCount)
 {
   for ( size_t i = 0; i < nCount; i++ ) {
     if ( riid == *aIids[i] )
-      return TRUE;
+      return true;
   }
 
-  return FALSE;
+  return false;
+}
+
+WXDLLEXPORT BSTR wxConvertStringToOle(const wxString& str)
+{
+    return wxBasicString(str).Get();
+}
+
+WXDLLEXPORT wxString wxConvertStringFromOle(BSTR bStr)
+{
+    // NULL BSTR is equivalent to an empty string (this is the convention used
+    // by VB and hence we must follow it)
+    if ( !bStr )
+        return wxString();
+
+    const int len = SysStringLen(bStr);
+
+#if wxUSE_UNICODE
+    wxString str(bStr, len);
+#else
+    wxString str;
+    if (len)
+    {
+        wxStringBufferLength buf(str, len); // asserts if len == 0
+        buf.SetLength(WideCharToMultiByte(CP_ACP, 0 /* no flags */,
+                                  bStr, len /* not necessarily NUL-terminated */,
+                                  buf, len,
+                                  NULL, NULL /* no default char */));
+    }
+#endif
+
+    return str;
+}
+
+// ----------------------------------------------------------------------------
+// wxBasicString
+// ----------------------------------------------------------------------------
+
+wxBasicString::wxBasicString(const wxString& str)
+{
+    m_bstrBuf = SysAllocString(str.wc_str(*wxConvCurrent));
+}
+
+wxBasicString::wxBasicString(const wxBasicString& src)
+{
+    m_bstrBuf = src.Get();
+}
+
+wxBasicString& wxBasicString::operator=(const wxBasicString& src)
+{
+    SysReAllocString(&m_bstrBuf, src);
+    return *this;
+}
+
+wxBasicString::~wxBasicString()
+{
+    SysFreeString(m_bstrBuf);
 }
 
 #if wxUSE_DATAOBJ
@@ -77,7 +130,7 @@ bool IsIidFromList(REFIID riid, const IID *aIids[], size_t nCount)
 // Debug support
 // ----------------------------------------------------------------------------
 
-#if defined(__WXDEBUG__) && ( ( defined(__VISUALC__) && (__VISUALC__ > 1000) ) || defined(__MWERKS__) )
+#if wxDEBUG_LEVEL && ( ( defined(__VISUALC__) && (__VISUALC__ > 1000) ) || defined(__MWERKS__) )
 static wxString GetIidName(REFIID riid)
 {
   // an association between symbolic name and numeric value of an IID
@@ -87,7 +140,7 @@ static wxString GetIidName(REFIID riid)
   };
 
   // construct the table containing all known interfaces
-  #define ADD_KNOWN_IID(name) { &IID_I##name, _T(#name) }
+  #define ADD_KNOWN_IID(name) { &IID_I##name, wxT(#name) }
 
   static const KNOWN_IID aKnownIids[] = {
     ADD_KNOWN_IID(AdviseSink),
@@ -205,32 +258,10 @@ void wxLogRelease(const wxChar *szInterface, ULONG cRef)
   wxLogTrace(wxTRACE_OleCalls, wxT("After %s::Release: m_cRef = %d"), szInterface, cRef - 1);
 }
 
-#elif defined(__WXDEBUG__) && defined(__VISUALC__) && (__VISUALC__ <= 1000)
+#endif  // wxDEBUG_LEVEL
 
-// For VC++ 4
-void wxLogQueryInterface(const char *szInterface, REFIID riid)
-{
-  wxLogTrace("%s::QueryInterface", szInterface);
-}
+#endif // wxUSE_DRAG_AND_DROP
 
-void wxLogAddRef(const char *szInterface, ULONG cRef)
-{
-  wxLogTrace("After %s::AddRef: m_cRef = %d", szInterface, cRef + 1);
-}
-
-void wxLogRelease(const char *szInterface, ULONG cRef)
-{
-  wxLogTrace("After %s::Release: m_cRef = %d", szInterface, cRef - 1);
-}
-
-#endif  //WXDEBUG
-
-#endif
-  // wxUSE_DRAG_AND_DROP
-
-#endif
-  // __CYGWIN10__
-
-#endif
-  // wxUSE_OLE
+#endif // __CYGWIN10__
 
+#endif // wxUSE_OLE