attempt to fix LowLevelFile, minor code reuse

components/files/lowlevelfile.cpp

@@ -206,6 +206,8 @@ size_t LowLevelFile::read (void * data, size_t size)
 }
 
 #elif FILE_API == FILE_API_WIN32
+
+#include <boost/locale.hpp>
 /*
  *
  *	Implementation of LowLevelFile methods using Win32 API calls
@@ -227,7 +229,8 @@ void LowLevelFile::open (char const * filename)
 {
 	assert (mHandle == INVALID_HANDLE_VALUE);
 
-	HANDLE handle = CreateFileA (filename, GENERIC_READ, FILE_SHARE_READ, 0, OPEN_EXISTING, 0, 0);
+	std::wstring wname = boost::locale::conv::utf_to_utf<wchar_t>(filename);
+	HANDLE handle = CreateFileW (wname.c_str(), GENERIC_READ, FILE_SHARE_READ, 0, OPEN_EXISTING, 0, 0);
 
 	if (handle == NULL)
 	{

components/settings/settings.cpp

@@ -8,6 +8,8 @@
 #include <OgreStringConverter.h>
 #include <OgreDataStream.h>
 
+#include <components/files/constrainedfiledatastream.hpp>
+
 using namespace Settings;
 
 namespace bfs = boost::filesystem;
@@ -19,15 +21,13 @@ CategorySettingValueMap Manager::mNewSettings = CategorySettingValueMap();
 
 void Manager::loadUser (const std::string& file)
 {
-    bfs::ifstream fin((bfs::path(file)));
-    Ogre::DataStreamPtr stream((OGRE_NEW Ogre::FileStreamDataStream(file, &fin, false)));
+    Ogre::DataStreamPtr stream = openConstrainedFileDataStream(file.c_str());
     mFile.load(stream);
 }
 
 void Manager::loadDefault (const std::string& file)
 {
-    bfs::ifstream fin((bfs::path(file)));
-    Ogre::DataStreamPtr stream((OGRE_NEW Ogre::FileStreamDataStream(file, &fin, false)));
+    Ogre::DataStreamPtr stream = openConstrainedFileDataStream(file.c_str());
     mDefaultFile.load(stream);
 }