ffi.dart 3.8 KB

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  1. /// bindings for `libdart_ffi`
  2. import 'dart:ffi';
  3. import 'dart:io';
  4. // ignore: import_of_legacy_library_into_null_safe
  5. import 'package:ffi/ffi.dart' as ffi;
  6. import 'package:flutter/foundation.dart' as Foundation;
  7. // ignore_for_file: unused_import, camel_case_types, non_constant_identifier_names
  8. final DynamicLibrary _dl = _open();
  9. /// Reference to the Dynamic Library, it should be only used for low-level access
  10. final DynamicLibrary dl = _dl;
  11. DynamicLibrary _open() {
  12. if (Platform.environment.containsKey('FLUTTER_TEST')) {
  13. final prefix = "${Directory.current.path}/.sandbox";
  14. if (Platform.isLinux) return DynamicLibrary.open('${prefix/libdart_ffi.so}');
  15. if (Platform.isAndroid) return DynamicLibrary.open('libdart_ffi.so');
  16. if (Platform.isMacOS) return DynamicLibrary.open('${prefix}/libdart_ffi.a');
  17. if (Platform.isIOS) return DynamicLibrary.open('${prefix}/libdart_ffi.a');
  18. if (Platform.isWindows)
  19. return DynamicLibrary.open('${prefix}/dart_ffi.dll');
  20. } else {
  21. if (Platform.isLinux) return DynamicLibrary.open('libdart_ffi.so');
  22. if (Platform.isAndroid) return DynamicLibrary.open('libdart_ffi.so');
  23. if (Platform.isMacOS) return DynamicLibrary.executable();
  24. if (Platform.isIOS) return DynamicLibrary.executable();
  25. if (Platform.isWindows) return DynamicLibrary.open('dart_ffi.dll');
  26. }
  27. throw UnsupportedError('This platform is not supported.');
  28. }
  29. /// C function `async_event`.
  30. void async_event(
  31. int port,
  32. Pointer<Uint8> input,
  33. int len,
  34. ) {
  35. _invoke_async(port, input, len);
  36. }
  37. final _invoke_async_Dart _invoke_async =
  38. _dl.lookupFunction<_invoke_async_C, _invoke_async_Dart>('async_event');
  39. typedef _invoke_async_C = Void Function(
  40. Int64 port,
  41. Pointer<Uint8> input,
  42. Uint64 len,
  43. );
  44. typedef _invoke_async_Dart = void Function(
  45. int port,
  46. Pointer<Uint8> input,
  47. int len,
  48. );
  49. /// C function `sync_event`.
  50. Pointer<Uint8> sync_event(
  51. Pointer<Uint8> input,
  52. int len,
  53. ) {
  54. return _invoke_sync(input, len);
  55. }
  56. final _invoke_sync_Dart _invoke_sync =
  57. _dl.lookupFunction<_invoke_sync_C, _invoke_sync_Dart>('sync_event');
  58. typedef _invoke_sync_C = Pointer<Uint8> Function(
  59. Pointer<Uint8> input,
  60. Uint64 len,
  61. );
  62. typedef _invoke_sync_Dart = Pointer<Uint8> Function(
  63. Pointer<Uint8> input,
  64. int len,
  65. );
  66. /// C function `init_sdk`.
  67. int init_sdk(
  68. Pointer<ffi.Utf8> path,
  69. ) {
  70. return _init_sdk(path);
  71. }
  72. final _init_sdk_Dart _init_sdk =
  73. _dl.lookupFunction<_init_sdk_C, _init_sdk_Dart>('init_sdk');
  74. typedef _init_sdk_C = Int64 Function(
  75. Pointer<ffi.Utf8> path,
  76. );
  77. typedef _init_sdk_Dart = int Function(
  78. Pointer<ffi.Utf8> path,
  79. );
  80. /// C function `init_stream`.
  81. int set_stream_port(int port) {
  82. return _set_stream_port(port);
  83. }
  84. final _set_stream_port_Dart _set_stream_port =
  85. _dl.lookupFunction<_set_stream_port_C, _set_stream_port_Dart>(
  86. 'set_stream_port');
  87. typedef _set_stream_port_C = Int32 Function(
  88. Int64 port,
  89. );
  90. typedef _set_stream_port_Dart = int Function(
  91. int port,
  92. );
  93. /// C function `link_me_please`.
  94. void link_me_please() {
  95. _link_me_please();
  96. }
  97. final _link_me_please_Dart _link_me_please = _dl
  98. .lookupFunction<_link_me_please_C, _link_me_please_Dart>('link_me_please');
  99. typedef _link_me_please_C = Void Function();
  100. typedef _link_me_please_Dart = void Function();
  101. /// Binding to `allo-isolate` crate
  102. void store_dart_post_cobject(
  103. Pointer<NativeFunction<Int8 Function(Int64, Pointer<Dart_CObject>)>> ptr,
  104. ) {
  105. _store_dart_post_cobject(ptr);
  106. }
  107. final _store_dart_post_cobject_Dart _store_dart_post_cobject = _dl
  108. .lookupFunction<_store_dart_post_cobject_C, _store_dart_post_cobject_Dart>(
  109. 'store_dart_post_cobject');
  110. typedef _store_dart_post_cobject_C = Void Function(
  111. Pointer<NativeFunction<Int8 Function(Int64, Pointer<Dart_CObject>)>> ptr,
  112. );
  113. typedef _store_dart_post_cobject_Dart = void Function(
  114. Pointer<NativeFunction<Int8 Function(Int64, Pointer<Dart_CObject>)>> ptr,
  115. );