nexus/lib/helpers/extensions/gomuks_buffer.dart

36 lines
916 B
Dart

import "dart:convert";
import "dart:ffi";
import "dart:typed_data";
import "package:ffi/ffi.dart";
import "package:nexus/src/third_party/gomuks.g.dart";
extension GomuksOwnedBufferToX on GomuksOwnedBuffer {
Uint8List toBytes() {
try {
if (base == nullptr || length <= 0) return Uint8List(0);
return Uint8List.fromList(base.asTypedList(length));
} finally {
calloc.free(base);
}
}
dynamic toJson() => jsonDecode(utf8.decode(toBytes()));
}
extension JsonToGomuksBuffer on Map<String, dynamic> {
Pointer<GomuksBorrowedBuffer> toGomuksBufferPtr() {
final jsonString = json.encode(this);
final bytes = utf8.encode(jsonString);
final dataPtr = calloc<Uint8>(bytes.length);
dataPtr.asTypedList(bytes.length).setAll(0, bytes);
final ptr = calloc<GomuksBorrowedBuffer>();
ptr.ref
..base = dataPtr
..length = bytes.length;
return ptr;
}
}