Initial community commit

Src/nu/AutoWide.h

@@ -0,0 +1,99 @@
+#ifndef AUTOWIDEH
+#define AUTOWIDEH
+#ifdef WIN32
+#include <windows.h>
+
+inline wchar_t *AutoWideDup( const char *convert, UINT codePage = CP_ACP )
+{
+	if ( !convert )
+		return 0;
+
+	int size = MultiByteToWideChar( codePage, 0, convert, -1, 0, 0 );
+	if ( !size )
+		return 0;
+
+	wchar_t *wide = (wchar_t *)malloc( size * sizeof( wchar_t ) );
+
+	if ( !MultiByteToWideChar( codePage, 0, convert, -1, wide, size ) )
+	{
+		free( wide );
+		wide = 0;
+	}
+
+	return wide;
+}
+
+class AutoWide
+{
+public:
+	AutoWide( const char *convert, UINT codePage = CP_ACP )
+	{
+		wide = AutoWideDup( convert, codePage );
+	}
+	~AutoWide()
+	{
+		free( wide );
+		wide = 0;
+	}
+	operator wchar_t *( )
+	{
+		return wide;
+	}
+	operator const wchar_t *( )
+	{
+		return wide;
+	}
+	operator bool()
+	{
+		return !!wide;
+	}
+
+private:
+	wchar_t *wide = 0;
+};
+
+#elif defined(__APPLE__)
+#include <string.h>
+inline wchar_t *AutoWideDup( const char *convert )
+{
+	if ( !convert )
+		return 0;
+
+	int size = strlen( convert ) + 1;
+	if ( !size )
+		return 0;
+
+	wchar_t *wide = (wchar_t *)malloc( size * sizeof( wchar_t ) );
+
+	if ( mbstowcs( wide, convert, size ) == (size_t)-1 )
+	{
+		free( wide );
+		wide = 0;
+	}
+
+	return wide;
+}
+
+class AutoWide
+{
+public:
+	AutoWide( const char *convert )
+	{
+		wide = AutoWideDup( convert );
+	}
+	~AutoWide()
+	{
+		free( wide );
+		wide = 0;
+	}
+	operator wchar_t *( )
+	{
+		return wide;
+	}
+private:
+	wchar_t *wide = 0;
+};
+
+#endif
+
+#endif