Get Font Path from NSFont in Cococa

fontpath.m

//
//  main.m
//  FontPath
//
//  Created by Aaron Elkins on 8/15/20.
//  Copyright © 2020 Aaron Elkins. All rights reserved.
//

#import <Foundation/Foundation.h>
#import <Cocoa/Cocoa.h>


NSString *getFontPathOfFont(NSFont *font) {

    CTFontDescriptorRef fontRef = CTFontDescriptorCreateWithNameAndSize ((CFStringRef)[font fontName], [font pointSize]);
    NSFontDescriptor* newFontRef = [(__bridge NSFontDescriptor*)fontRef fontDescriptorByAddingAttributes:@{ NSFontTraitsAttribute: @{ NSFontWeightTrait: @(4)} }];
    CFURLRef url = (CFURLRef)CTFontDescriptorCopyAttribute((CTFontDescriptorRef)newFontRef, kCTFontURLAttribute);
    NSString *fontPath = [NSString stringWithString:[(NSURL *)CFBridgingRelease(url) path]];
    return fontPath;
}

int main(int argc, const char * argv[]) {
    @autoreleasepool {
        NSFont *font = [NSFont fontWithName:@"Roboto" size:13];
        NSFont *newFont = [[NSFontManager sharedFontManager] convertWeight:(BOOL)YES
        ofFont:(NSFont *)font];
        NSLog(@"%@", [[NSFontManager sharedFontManager] availableFonts]);
        NSLog(@"%@", getFontPathOfFont(newFont));

    }
    return 0;
}