AseemWangoo

test('timezones', () {
  final pubspecFile = File('pubspec.yaml');
  final pubspecYaml = loadYaml(pubspecFile.readAsStringSync()) as YamlMap;
  final config = Config.fromYaml(pubspecYaml['ffigen'] as YamlMap);
  final output = parse(config).generate();
expect(output, contains('class TimeZoneLibrary{'));
  expect(output, contains('class NSString extends _ObjCWrapper {'));
  expect(output, contains('static NSTimeZone? getLocalTimeZone('));
 );
}

AseemWangoo

test('url_cache', () {
  final pubspecFile = File('url_cache_config.yaml');
  final pubspecYaml = loadYaml(pubspecFile.readAsStringSync()) as YamlMap;
  final config = Config.fromYaml(pubspecYaml);
  final output = parse(config).generate();
  expect(output, contains('class URLCacheLibrary{'));
  expect(output, contains('static NSURLCache?getSharedURLCache('));
 });
}

AseemWangoo

void logWarnings([Level level = Level.WARNING]) {
  Logger.root.level = level;
  Logger.root.onRecord.listen((record) {
    print('${record.level.name.padRight(8)}: ${record.message}');
  });
}

AseemWangoo

const dylibPath='/System/Library/Frameworks/Foundation.framework/Versions/Current/Foundation';
final lib = TimeZoneLibrary(DynamicLibrary.open(dylibPath));
final timeZone = NSTimeZone.getLocalTimeZone(lib);
if (timeZone != null) {
  print('Timezone name: ${timeZone.name}');
  print('Offset: ${timeZone.secondsFromGMT / 60 / 60} hours');
}

AseemWangoo

dev_dependencies:
ffigen:
  name: TimeZoneLibrary
  language: objc
  output: "timezone_bindings.dart"
  exclude-all-by-default: true
  objc-interfaces:
    include:
      - "NSTimeZone"
  headers:

AseemWangoo

void main() {
  const dylibPath = '/System/Library/Frameworks/Foundation.framework/Versions/Current/Foundation';
final lib = URLCacheLibrary(DynamicLibrary.open(dylibPath));
final urlCache = NSURLCache.getSharedURLCache(lib);
  if (urlCache != null) {
    print('currentDiskUsage: ${urlCache.currentDiskUsage}');
    print('currentMemoryUsage: ${urlCache.currentMemoryUsage}');
    print('diskCapacity: ${urlCache.diskCapacity}');
    print('memoryCapacity: ${urlCache.memoryCapacity}');
  }

AseemWangoo

objc-interfaces:
  include:
    # Includes a specific interface.
    - 'NSURLCache'
    # Includes all interfaces starting with "NS".
    - 'NS.*'
  exclude:
    # Override the above NS.* inclusion, to exclude NSURL.
    - 'NSURL'
  rename:

AseemWangoo

name: URLCacheLibrary
language: objc
output: "url_cache_bindings.dart"
exclude-all-by-default: true
objc-interfaces:
  include:
    - "NSURLCache"
headers:
  entry-points:
    - "/Library/Developer/CommandLineTools/SDKs/MacOSX.sdk/System/Library/Frameworks/Foundation.framework/Headers/NSURLCache.h"

AseemWangoo

dart create ffi_2_18
## ffi_2_18 is the name of the project which will be created

AseemWangoo

brew install llvm