1 files changed, 82 insertions, 0 deletions
diff --git a/zen/osx_string.h b/zen/osx_string.h
new file mode 100644
index 00000000..a5c0849e
--- /dev/null
+++ b/zen/osx_string.h
@@ -0,0 +1,82 @@
+// **************************************************************************
+// * 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_STRING_1873641732143214324
+#define OSX_STRING_1873641732143214324
+
+#include <zen/zstring.h>
+#include <CoreFoundation/CoreFoundation.h> //CFString
+
+namespace osx
+{
+Zstring cfStringToZstring(const CFStringRef& cfStr);
+
+CFStringRef        createCFString       (const char* utf8Str); //returns nullptr on error
+CFMutableStringRef createMutableCFString(const char* utf8Str); //pass ownership! => ZEN_ON_SCOPE_EXIT(::CFRelease(utf8Str));
+
+
+
+
+
+
+
+
+
+
+
+
+
+//################# implementation #####################
+inline
+Zstring cfStringToZstring(const CFStringRef& cfStr)
+{
+    if (cfStr)
+    {
+		//perf: try to get away cheap:
+        if (const char* utf8Str = ::CFStringGetCStringPtr(cfStr, kCFStringEncodingUTF8))
+            return utf8Str;
+
+        CFIndex length = ::CFStringGetLength(cfStr);
+        if (length > 0)
+        {
+            CFIndex bufferSize = ::CFStringGetMaximumSizeForEncoding(length, kCFStringEncodingUTF8);
+            Zstring buffer;
+            buffer.resize(bufferSize);
+
+            if (::CFStringGetCString(cfStr, &*buffer.begin(), bufferSize, kCFStringEncodingUTF8))
+            {
+                buffer.resize(zen::strLength(&*buffer.begin())); //caveat: memory consumption of returned string!
+                return buffer;
+            }
+        }
+    }
+    return Zstring();
+}
+
+
+inline
+CFStringRef createCFString(const char* utf8Str)
+{
+    //don't bother with CFStringCreateWithBytes: it's slightly slower, despite passing length info
+    return ::CFStringCreateWithCString(nullptr,                //CFAllocatorRef alloc,
+                                       utf8Str,                //const char *cStr,
+                                       kCFStringEncodingUTF8); //CFStringEncoding encoding
+}
+
+
+inline
+CFMutableStringRef createMutableCFString(const char* utf8Str)
+{
+    if (CFMutableStringRef strRef = ::CFStringCreateMutable(NULL, 0))
+    {
+        ::CFStringAppendCString(strRef, utf8Str, kCFStringEncodingUTF8);
+        return strRef;
+    }
+    return nullptr;
+}
+}
+
+#endif //OSX_STRING_1873641732143214324