pkgs/intl4x/lib/src/bindings/IanaToBcp47Mapper.g.dart

// generated by diplomat-tool

part of 'lib.g.dart';

/// An object capable of mapping from an IANA time zone ID to a BCP-47 ID.
///
/// This can be used via `try_set_iana_time_zone_id()` on [`CustomTimeZone`].
///
/// [`CustomTimeZone`]: crate::timezone::ffi::ICU4XCustomTimeZone
///
/// See the [Rust documentation for `IanaToBcp47Mapper`](https://docs.rs/icu/latest/icu/timezone/struct.IanaToBcp47Mapper.html) for more information.
final class IanaToBcp47Mapper implements ffi.Finalizable {
  final ffi.Pointer<ffi.Opaque> _ffi;

  // These are "used" in the sense that they keep dependencies alive
  // ignore: unused_field
  final core.List<Object> _selfEdge;

  // This takes in a list of lifetime edges (including for &self borrows)
  // corresponding to data this may borrow from. These should be flat arrays containing
  // references to objects, and this object will hold on to them to keep them alive and
  // maintain borrow validity.
  IanaToBcp47Mapper._fromFfi(this._ffi, this._selfEdge) {
    if (_selfEdge.isEmpty) {
      _finalizer.attach(this, _ffi.cast());
    }
  }

  static final _finalizer = ffi.NativeFinalizer(
      ffi.Native.addressOf(_ICU4XIanaToBcp47Mapper_destroy));

  /// See the [Rust documentation for `new`](https://docs.rs/icu/latest/icu/timezone/struct.IanaToBcp47Mapper.html#method.new) for more information.
  ///
  /// Throws [Error] on failure.
  factory IanaToBcp47Mapper(DataProvider provider) {
    final result = _ICU4XIanaToBcp47Mapper_create(provider._ffi);
    if (!result.isOk) {
      throw Error.values.firstWhere((v) => v._ffi == result.union.err);
    }
    return IanaToBcp47Mapper._fromFfi(result.union.ok, []);
  }

  /// See the [Rust documentation for `get`](https://docs.rs/icu/latest/icu/timezone/struct.IanaToBcp47MapperBorrowed.html#method.get) for more information.
  ///
  /// See the [Rust documentation for `iana_to_bcp47`](https://docs.rs/icu/latest/icu/timezone/struct.IanaBcp47RoundTripMapperBorrowed.html#method.iana_to_bcp47) for more information.
  ///
  /// Throws [Error] on failure.
  String operator [](String value) {
    final temp = ffi2.Arena();
    final valueView = value.utf8View;
    final writeable = _Writeable();
    final result = _ICU4XIanaToBcp47Mapper_get(
        _ffi, valueView.allocIn(temp), valueView.length, writeable._ffi);
    temp.releaseAll();
    if (!result.isOk) {
      throw Error.values.firstWhere((v) => v._ffi == result.union.err);
    }
    return writeable.finalize();
  }
}

@meta.ResourceIdentifier('ICU4XIanaToBcp47Mapper_destroy')
@ffi.Native<ffi.Void Function(ffi.Pointer<ffi.Void>)>(
    isLeaf: true, symbol: 'ICU4XIanaToBcp47Mapper_destroy')
// ignore: non_constant_identifier_names
external void _ICU4XIanaToBcp47Mapper_destroy(ffi.Pointer<ffi.Void> self);

@meta.ResourceIdentifier('ICU4XIanaToBcp47Mapper_create')
@ffi.Native<_ResultOpaqueInt32 Function(ffi.Pointer<ffi.Opaque>)>(
    isLeaf: true, symbol: 'ICU4XIanaToBcp47Mapper_create')
// ignore: non_constant_identifier_names
external _ResultOpaqueInt32 _ICU4XIanaToBcp47Mapper_create(
    ffi.Pointer<ffi.Opaque> provider);

@meta.ResourceIdentifier('ICU4XIanaToBcp47Mapper_get')
@ffi.Native<
        _ResultVoidInt32 Function(ffi.Pointer<ffi.Opaque>,
            ffi.Pointer<ffi.Uint8>, ffi.Size, ffi.Pointer<ffi.Opaque>)>(
    isLeaf: true, symbol: 'ICU4XIanaToBcp47Mapper_get')
// ignore: non_constant_identifier_names
external _ResultVoidInt32 _ICU4XIanaToBcp47Mapper_get(
    ffi.Pointer<ffi.Opaque> self,
    ffi.Pointer<ffi.Uint8> valueData,
    int valueLength,
    ffi.Pointer<ffi.Opaque> writeable);