90 lines
2.8 KiB
Dart
90 lines
2.8 KiB
Dart
import 'dart:async';
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import 'dart:ffi';
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import 'package:ffi/ffi.dart';
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export 'package:ffi/ffi.dart';
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export 'dart:ffi';
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export 'thermion_dart.g.dart';
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final allocator = calloc;
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void using(Pointer ptr, Future Function(Pointer ptr) function) async {
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await function.call(ptr);
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allocator.free(ptr);
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}
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Future<void> withVoidCallback(
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Function(Pointer<NativeFunction<Void Function()>>) func) async {
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final completer = Completer();
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// ignore: prefer_function_declarations_over_variables
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void Function() callback = () {
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completer.complete();
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};
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final nativeCallable = NativeCallable<Void Function()>.listener(callback);
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func.call(nativeCallable.nativeFunction);
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await completer.future;
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nativeCallable.close();
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}
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Future<int> withPointerCallback<T extends NativeType>(
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Function(Pointer<NativeFunction<Void Function(Pointer<T>)>>)
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func) async {
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final completer = Completer<Pointer<T>>();
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// ignore: prefer_function_declarations_over_variables
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void Function(Pointer<NativeType>) callback = (Pointer<NativeType> ptr) {
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completer.complete(ptr.cast<T>());
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};
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final nativeCallable =
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NativeCallable<Void Function(Pointer<NativeType>)>.listener(callback);
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func.call(nativeCallable.nativeFunction);
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var ptr = await completer.future;
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nativeCallable.close();
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return ptr.address;
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}
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Future<bool> withBoolCallback(
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Function(Pointer<NativeFunction<Void Function(Bool)>>) func) async {
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final completer = Completer<bool>();
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// ignore: prefer_function_declarations_over_variables
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void Function(bool) callback = (bool result) {
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completer.complete(result);
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};
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final nativeCallable = NativeCallable<Void Function(Bool)>.listener(callback);
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func.call(nativeCallable.nativeFunction);
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await completer.future;
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nativeCallable.close();
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return completer.future;
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}
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Future<int> withIntCallback(
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Function(Pointer<NativeFunction<Void Function(Int32)>>) func) async {
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final completer = Completer<int>();
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// ignore: prefer_function_declarations_over_variables
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void Function(int) callback = (int result) {
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completer.complete(result);
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};
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final nativeCallable =
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NativeCallable<Void Function(Int32)>.listener(callback);
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func.call(nativeCallable.nativeFunction);
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await completer.future;
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nativeCallable.close();
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return completer.future;
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}
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Future<String> withCharPtrCallback(
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Function(Pointer<NativeFunction<Void Function(Pointer<Char>)>>)
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func) async {
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final completer = Completer<String>();
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// ignore: prefer_function_declarations_over_variables
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void Function(Pointer<Char>) callback = (Pointer<Char> result) {
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completer.complete(result.cast<Utf8>().toDartString());
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};
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final nativeCallable =
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NativeCallable<Void Function(Pointer<Char>)>.listener(callback);
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func.call(nativeCallable.nativeFunction);
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await completer.future;
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nativeCallable.close();
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return completer.future;
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}
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