0027350: Support for Universal Windows Platform

- Toolchain file to configure a Visual Studio generator for a Windows 10 Universal Application was added (CMake).
- There is no support for environment variables in UWP.
- SID is not supported (were excluded).
- Windows registry is not supported (were excluded).
- Mess with usage of Unicode/ANSI was corrected.
- Added sample to check UWP functionality.
- Excluded usage of methods with Unicode characters where it is possible.
- Minor corrections to allow building OCAF (except TKVCAF) and DE (except VRML and XDE)
- Building of unsupported modules for UWP platform is off by default .
- Checking of DataExchange functionality was added to XAML (UWP) sample.
- Added information about UWP to the documentation.
- Update of results of merge with issue 27801

src/Standard/Standard.cxx

@@ -36,6 +36,12 @@
   extern "C" int posix_memalign (void** thePtr, size_t theAlign, size_t theSize);
 #endif
 
+// There is no support for environment variables in UWP
+// OSD_Environment could not be used here because of cyclic dependency
+#ifdef OCCT_UWP
+#define getenv(x) NULL
+#endif
+
 #ifndef OCCT_MMGT_OPT_DEFAULT
 #define OCCT_MMGT_OPT_DEFAULT 0
 #endif

src/Standard/Standard_MMgrOpt.cxx

@@ -13,6 +13,10 @@
 // Alternatively, this file may be used under the terms of Open CASCADE
 // commercial license or contractual agreement.
 
+#ifdef _WIN32
+#include <windows.h>
+#endif
+
 #include <Standard_MMgrOpt.hxx>
 #include <Standard_OutOfMemory.hxx>
 #include <Standard_Assert.hxx>
@@ -20,9 +24,7 @@
 #include <stdio.h>
 #include <errno.h>
 
-#ifdef _WIN32
-# include <windows.h>
-#else
+#ifndef _WIN32
 # include <sys/mman.h>    /* mmap() */
 #endif
 
@@ -32,6 +34,9 @@
 extern "C" int getpagesize() ;
 #endif
 
+#ifdef _WIN32
+#include <Strsafe.h>
+#endif
 //======================================================================
 // Assumptions
 //======================================================================
@@ -752,10 +757,16 @@ retry:
         goto retry;
       // if nothing helps, make error message and raise exception
       const int BUFSIZE=1024;
-      char message[BUFSIZE];
-      if ( FormatMessage (FORMAT_MESSAGE_FROM_SYSTEM, 0, GetLastError(), 0, message, BUFSIZE-1, 0) <=0 )
-        strcpy (message, "Standard_MMgrOpt::AllocMemory() failed to mmap");
-      Standard_OutOfMemory::Raise (message);
+
+      wchar_t message[BUFSIZE];
+
+      if ( FormatMessageW (FORMAT_MESSAGE_FROM_SYSTEM, 0, GetLastError(), 0,
+        message, BUFSIZE-1, 0) <=0 )
+        StringCchCopyW(message, _countof(message), L"Standard_MMgrOpt::AllocMemory() failed to mmap");
+
+      char messageA[BUFSIZE];
+      WideCharToMultiByte(CP_UTF8, 0, message, -1, messageA, sizeof(messageA), NULL, NULL);
+      Standard_OutOfMemory::Raise(messageA);
     }
 
     // record map handle in the beginning

src/Standard/Standard_Macro.hxx

@@ -169,4 +169,13 @@
 #   endif  // __Standard_DLL
 # endif  // __Standard_API
 
-#endif  
+// Support of Universal Windows Platform
+#if defined(WINAPI_FAMILY) && WINAPI_FAMILY == WINAPI_FAMILY_APP
+ #define OCCT_UWP
+#else
+ #ifdef OCCT_UWP
+   #undef OCCT_UWP
+ #endif
+#endif
+
+#endif