feat: 多语言提取器

packages/sct_dev_tools/bin/auto_l10n.dart

@@ -0,0 +1,117 @@
+import 'dart:convert';
+import 'dart:io';
+import 'package:analyzer/dart/analysis/utilities.dart';
+import 'package:analyzer/dart/analysis/features.dart';
+import 'package:analyzer/dart/ast/visitor.dart';
+import 'package:analyzer/dart/ast/ast.dart';
+import 'package:uuid/v4.dart';
+
+final stringResult = <String>[];
+
+class AutoL10nTools {
+  void genL10nFiles() {
+    final dir = Directory('lib/ui');
+    for (var entity in dir.listSync(recursive: true)) {
+      if (entity is File && entity.path.endsWith('.dart')) {
+        print('Processing ${entity.path}...');
+        _processDartFile(entity);
+      }
+    }
+    if (stringResult.isNotEmpty) {
+      final outputMap = <String, String>{};
+      for (var value in stringResult) {
+        if (outputMap.containsValue(value)) {
+          continue;
+        }
+        final key = UuidV4().generate();
+        outputMap[key] = value;
+      }
+      // output to json
+      final j = json.encode(outputMap);
+      File("./lib/generated/l10_temp.json").writeAsStringSync(j);
+      print(
+          "output to json file (length: ${outputMap.length}): ./lib/generated/l10n_temp.json");
+    }
+    // output to json
+  }
+
+  void _processDartFile(File file) {
+    final parseResult = parseFile(
+        path: file.path, featureSet: FeatureSet.latestLanguageVersion());
+    final unit = parseResult.unit;
+    unit.accept(MyAstVisitor());
+  }
+}
+
+class MyAstVisitor extends GeneralizingAstVisitor {
+  @override
+  visitStringLiteral(StringLiteral node) {
+    final value = node.stringValue ?? "";
+    if (containsChinese(value)) {
+      print('Found->visitStringLiteral: $value');
+      addStringResult(value);
+    }
+    return super.visitStringLiteral(node);
+  }
+
+  @override
+  visitAdjacentStrings(AdjacentStrings node) {
+    int interpolationIndex = 0;
+    var result = '';
+    for (var string in node.strings) {
+      if (string is SimpleStringLiteral) {
+        result += string.value;
+      } else if (string is StringInterpolation) {
+        for (var element in string.elements) {
+          if (element is InterpolationString) {
+            result += element.value;
+          } else if (element is InterpolationExpression) {
+            result += '{{${interpolationIndex++}}}';
+          }
+        }
+      }
+    }
+    if (containsChinese(result)) {
+      print('Found->visitAdjacentStrings: $result');
+      addStringResult(result);
+    }
+    return super.visitAdjacentStrings(node);
+  }
+
+  @override
+  visitStringInterpolation(StringInterpolation node) {
+    int interpolationIndex = 0;
+    var result = '';
+    for (var element in node.elements) {
+      if (element is InterpolationString) {
+        result += element.value;
+      } else if (element is InterpolationExpression) {
+        result += '{{${interpolationIndex++}}}';
+      }
+    }
+    if (containsChinese(result)) {
+      print('Found->visitStringInterpolation: $result');
+      addStringResult(result);
+    }
+    return super.visitStringInterpolation(node);
+  }
+
+  @override
+  visitInterpolationExpression(InterpolationExpression node) {
+    int interpolationIndex = 0;
+    final value = '{{${interpolationIndex++}}}';
+    if (containsChinese(value)) {
+      print('Found->visitInterpolationExpression: $value');
+      addStringResult(value);
+    }
+    return super.visitInterpolationExpression(node);
+  }
+
+  bool containsChinese(String input) {
+    return RegExp(r'[\u4e00-\u9fa5]').hasMatch(input);
+  }
+
+  addStringResult(String value) {
+    stringResult.add(value);
+  }
+}

packages/sct_dev_tools/bin/sct_dev_tools.dart

@@ -0,0 +1,10 @@
+import 'auto_l10n.dart';
+
+void main(List<String> args) {
+  switch (args.elementAtOrNull(0)) {
+    case "gen":
+      return AutoL10nTools().genL10nFiles();
+    default:
+     throw Exception("cmd not found");
+  }
+}