fix: Compile on macOS _again_

lib/libimhex/CMakeLists.txt

@@ -49,7 +49,7 @@ if (APPLE)
         endif ()
     endif ()
 
-    set(LIBIMHEX_SOURCES ${LIBIMHEX_SOURCES} source/helpers/utils_macos.mm)
+    set(LIBIMHEX_SOURCES ${LIBIMHEX_SOURCES} source/helpers/utils_macos.m)
 endif ()
 
 add_compile_definitions(IMHEX_PROJECT_NAME="${PROJECT_NAME}")

lib/libimhex/source/helpers/utils.cpp

@@ -4,6 +4,7 @@
 #include <codecvt>
 
 #include <hex/api/imhex_api.hpp>
+#include <hex/api/event.hpp>
 
 #include <hex/helpers/fmt.hpp>
 
@@ -501,4 +502,8 @@ namespace hex {
             return value;
     }
 
+    extern "C" void openFile(const char *path) {
+        hex::EventManager::post<RequestOpenFile>(path);
+    }
+
 }

lib/libimhex/source/helpers/utils_macos.m

@@ -17,20 +17,15 @@
     #import <Cocoa/Cocoa.h>
     #import <Foundation/Foundation.h>
 
-    static std::string nsurl_to_string(NSURL* url) {
-        NSString* urlString = [url absoluteString];
-        const char* utf8String = [urlString UTF8String];
+    void openFile(const char *path);
 
-        return std::string(utf8String);
-    }
-
-    extern "C" void openWebpageMacos(const char *url) {
+    void openWebpageMacos(const char *url) {
         CFURLRef urlRef = CFURLCreateWithBytes(NULL, (uint8_t*)(url), strlen(url), kCFStringEncodingASCII, NULL);
         LSOpenCFURLRef(urlRef, NULL);
         CFRelease(urlRef);
     }
 
-    extern "C" bool isMacosSystemDarkModeEnabled(void) {
+    bool isMacosSystemDarkModeEnabled(void) {
         NSString * appleInterfaceStyle = [[NSUserDefaults standardUserDefaults] stringForKey:@"AppleInterfaceStyle"];
 
         if (appleInterfaceStyle && [appleInterfaceStyle length] > 0) {
@@ -40,7 +35,7 @@
         }
     }
 
-    extern "C" float getBackingScaleFactor(void) {
+    float getBackingScaleFactor(void) {
         return [[NSScreen mainScreen] backingScaleFactor];
     }
 
@@ -51,7 +46,10 @@
     @implementation HexDocument
 
     - (BOOL) readFromURL:(NSURL *)url ofType:(NSString *)typeName error:(NSError **)outError {
-        hex::EventManager::post<hex::RequestOpenFile>(nsurl_to_string(url));
+        NSString* urlString = [url absoluteString];
+        const char* utf8String = [urlString UTF8String];
+
+        openFile(utf8String);
 
         return YES;
     }