1 files changed, 56 insertions, 0 deletions
diff --git a/zen/osx_throw_exception.h b/zen/osx_throw_exception.h
new file mode 100644
index 00000000..07e3af3e
--- /dev/null
+++ b/zen/osx_throw_exception.h
@@ -0,0 +1,56 @@
+// **************************************************************************
+// * This file is part of the FreeFileSync project. It is distributed under *
+// * GNU General Public License: http://www.gnu.org/licenses/gpl.html       *
+// * Copyright (C) Zenju (zenju AT gmx DOT de) - All Rights Reserved        *
+// **************************************************************************
+
+#ifndef OSX_EXCEPTION_89274305834255
+#define OSX_EXCEPTION_89274305834255
+
+#import <Cocoa/Cocoa.h>
+#include "sys_error.h"
+#include "utf.h"
+
+namespace osx
+{
+//for use in Objective C implementation files only!
+void throwSysError(NSException* e); //throw SysError
+
+#define ZEN_OSX_ASSERT(obj) ZEN_OSX_ASSERT_IMPL(obj, #obj) //throw SysError
+/*
+Example: ZEN_OSX_ASSERT(obj);
+
+Equivalent to:
+    if (!obj)
+		throw zen::SysError(L"Assertion failed: \"obj\".");
+*/
+
+
+
+
+
+
+//######################## implmentation ############################
+inline
+void throwSysError(NSException* e) //throw SysError
+{
+    std::string msg;
+    if (const char* name  = [[e name  ] cStringUsingEncoding:NSUTF8StringEncoding]) //"const char*" NOT owned by us!
+        msg += name;
+    if (const char* descr = [[e reason] cStringUsingEncoding:NSUTF8StringEncoding])
+    {
+        msg += "\n";
+        msg += descr;
+    }
+    throw zen::SysError(zen::utfCvrtTo<std::wstring>(msg));
+    /*
+    e.g.
+    NSInvalidArgumentException
+    *** +[NSString stringWithCString:encoding:]: NULL cString
+    */
+}
+}
+
+#define ZEN_OSX_ASSERT_IMPL(obj, txt) if (!(obj)) throw zen::SysError(std::wstring(L"Assertion failed: \"") + L ## txt + L"\".");
+
+#endif //OSX_EXCEPTION_89274305834255