更新http服务器剔除反射功能

2025-03-31 15:08:04 +08:00
parent 5acd63eb99
commit 34d37e579b
9 changed files with 233 additions and 109 deletions
--- a/lib/base/webserver/impl/RouteGenerator.dart
+++ b/lib/base/webserver/impl/RouteGenerator.dart
@@ -0,0 +1,85 @@
+import 'package:EasyDartModule/base/webserver/WebServer.dart';
+import 'package:build/build.dart';
+import 'package:analyzer/dart/element/element.dart';
+import 'package:source_gen/source_gen.dart';
+import 'package:path/path.dart';
+
+Builder routeGenerator(BuilderOptions options) {
+  return LibraryBuilder(
+    RouteGenerator(),
+    generatedExtension: '.route.dart',
+  );
+}
+
+class RouteGenerator extends GeneratorForAnnotation<RequestMapping> {
+  call(String name) {}
+  @override
+  generateForAnnotatedElement(
+      Element element, ConstantReader annotation, BuildStep buildStep) {
+    // 读取注解字段
+    String path = annotation.read('path').stringValue;
+    String method = annotation.read('method').read("_name").stringValue;
+    // String response = annotation.read("responseType").read("_name").stringValue;
+    // print("url:$path $method");
+    //0:路径 1:响应类型 2:调用函数 3:参数数量
+    Map<HttpMethod, List> routes = {};
+    if (method != HttpMethod.WS.name) {
+      if (path.endsWith("/")) {
+        path = path.substring(0, path.length - 1);
+      }
+      for (final method in element.children) {
+        for (final metaData in method.metadata) {
+          var anno = ConstantReader(metaData.computeConstantValue());
+          if (!anno.instanceOf(typeChecker)) {
+            continue;
+          }
+
+          int pl = (method as MethodElement).parameters.length;
+          // print(
+          // "url:$path-${anno.read("path").stringValue} method:${anno.read("method").read("_name").stringValue} response:${anno.read("responseType").read("_name").stringValue}");
+          //转换为枚举类型
+
+          var p = anno.read("path").stringValue;
+          if (!p.startsWith("/")) {
+            p = "$path/$p";
+          } else {
+            p = path + p;
+          }
+          //加入调用缓存
+          routes[HttpMethod.valueOf(
+              anno.read("method").read("_name").stringValue)] = [
+            p,
+            HttpResponseType.valueOf(
+                anno.read("responseType").read("_name").stringValue),
+            () {
+              return method.name;
+            },
+            pl >= 2 ? 2 : 1
+          ];
+        }
+        // print("构建完毕");
+      }
+    } else {
+      //单独处理ws
+      routes[HttpMethod.valueOf(method)] = [path];
+    }
+    // 生成路由映射代码
+    // var data = jsonEncode(routes);
+    final routesMapString = routes.entries.map((entry) {
+      return '${entry.key}: [[${entry.value.map((e) {
+        if (e is String) {
+          return '"$e"';
+        } else if (e is Function) {
+          return "_callHandler.${e()}";
+        }
+        return e;
+      }).join(",")}]],';
+    }).join('\n');
+    // print(routes);
+    return '''
+    part of '${basename(buildStep.inputId.path)}';
+    late var _callHandler;
+    final Map<HttpMethod, List<List>> routes = {$routesMapString};
+    ''';
+  }
+}