upd eg dart L.)

tdlib · isopen · Sep 24, 2019 · Sep 29, 2019 · Sep 24, 2019 · 237060abd4c205768153180e9f814298d1aa9d49
commit 237060abd4c205768153180e9f814298d1aa9d49
diff --git a/example/dart/.gitignore b/example/dart/.gitignore
@@ -0,0 +1,4 @@
+.atom
+.packages
+pubspec.lock
+libs
diff --git a/example/dart/README.md b/example/dart/README.md
@@ -0,0 +1,8 @@
+# TDLib Dart examples
+
+#### Checklist:
+<pre>
+  - install dart
+  - pug get
+  - dart td_eg.dart
+</pre>
diff --git a/example/dart/bindings/bindings.dart b/example/dart/bindings/bindings.dart
@@ -0,0 +1,46 @@
+import 'dart:ffi' as ffi;
+import 'package:ffi/ffi.dart';
+import 'signatures.dart';
+
+class _TDJsonBindings {
+
+  ffi.Pointer Function() client_create;
+
+  ffi.Pointer<Utf8> Function(ffi.Pointer, double) client_receive;
+
+  void Function(ffi.Pointer, ffi.Pointer<Utf8>) client_send;
+
+  ffi.Pointer<Utf8> Function(ffi.Pointer, ffi.Pointer<Utf8>) client_execute;
+
+  void Function(ffi.Pointer) client_destroy;
+
+  _TDJsonBindings({String path = './libs/'}) {
+
+    final libtdjson = ffi.DynamicLibrary.open(path + 'libtdjson.so');
+
+    client_create = libtdjson
+      .lookup<ffi.NativeFunction<td_json_client_create_t>>('td_json_client_create')
+      .asFunction();
+
+    client_receive = libtdjson
+      .lookup<ffi.NativeFunction<td_json_client_receive_t>>('td_json_client_receive')
+      .asFunction();
+
+    client_send = libtdjson
+      .lookup<ffi.NativeFunction<td_json_client_send_t>>('td_json_client_send')
+      .asFunction();
+
+    client_execute = libtdjson
+      .lookup<ffi.NativeFunction<td_json_client_execute_t>>('td_json_client_execute')
+      .asFunction();
+
+    client_destroy = libtdjson
+      .lookup<ffi.NativeFunction<td_json_client_destroy_t>>('td_json_client_destroy')
+      .asFunction();
+
+  }
+
+}
+
+_TDJsonBindings _cachedBindings;
+_TDJsonBindings get td_json => _cachedBindings ??= _TDJsonBindings();
diff --git a/example/dart/bindings/signatures.dart b/example/dart/bindings/signatures.dart
@@ -0,0 +1,12 @@
+import "dart:ffi" as ffi;
+import 'package:ffi/ffi.dart';
+
+typedef td_json_client_create_t = ffi.Pointer Function();
+
+typedef td_json_client_receive_t = ffi.Pointer<Utf8> Function(ffi.Pointer, ffi.Double);
+
+typedef td_json_client_send_t = ffi.Void Function(ffi.Pointer, ffi.Pointer<Utf8>);
+
+typedef td_json_client_execute_t = ffi.Pointer<Utf8> Function(ffi.Pointer, ffi.Pointer<Utf8>);
+
+typedef td_json_client_destroy_t = ffi.Void Function(ffi.Pointer);
diff --git a/example/dart/pubspec.yaml b/example/dart/pubspec.yaml
@@ -0,0 +1,4 @@
+name: tdlib_eg
+
+dependencies:
+  ffi: ^0.1.1
diff --git a/example/dart/td_eg.dart b/example/dart/td_eg.dart
@@ -0,0 +1,54 @@
+library TDLib;
+
+import 'dart:ffi' as ffi;
+import 'package:ffi/ffi.dart';
+import 'dart:convert';
+import 'bindings/bindings.dart';
+
+ffi.Pointer client = td_json.client_create();
+
+Object td_execute(Object query) {
+  return json.decode(
+    Utf8.fromUtf8(td_json.client_execute(
+      client,
+      Utf8.toUtf8(json.encode(query))
+    ))
+  );
+}
+
+void td_send(Object query) {
+  td_json.client_send(
+    client,
+    Utf8.toUtf8(json.encode(query))
+  );
+}
+
+Object td_receive() {
+  dynamic result = td_json.client_receive(client, 1.0);
+  if (result != null) {
+    result = json.decode(Utf8.fromUtf8(result));
+  }
+  return result;
+}
+
+void main() {
+
+  td_json.client_destroy(client);
+
+  client = td_json.client_create();
+
+  print(td_execute({'@type': 'setLogVerbosityLevel', 'new_verbosity_level': 4, '@extra': 1.01234}));
+
+  while (true) {
+
+    td_send({'@type': 'getAuthorizationState', '@extra': 1.01234});
+
+    var event = td_receive();
+
+    print(json.encode(event));
+
+  }
+
+  td_json.client_destroy(client);
+
+}