From 6ab4a2786eefab3d898ab31f62ffa7ec24ab0f0c Mon Sep 17 00:00:00 2001
From: hejl <hejl@hundsun.com>
Date: Thu, 29 May 2025 13:07:46 +0800
Subject: [PATCH] =?UTF-8?q?=E6=96=87=E4=BB=B6=E5=90=8D=E7=A7=B0=E7=BF=BB?=
 =?UTF-8?q?=E8=AF=91=E5=AE=8C=E6=88=90=E3=80=82?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .../framework/services/fast_xml_parser.dart   | 74 +++++++++++++++++++
 .../lib/framework/services/file_service.dart  | 65 +++++++++++-----
 2 files changed, 122 insertions(+), 17 deletions(-)
 create mode 100644 win_text_editor/lib/framework/services/fast_xml_parser.dart

diff --git a/win_text_editor/lib/framework/services/fast_xml_parser.dart b/win_text_editor/lib/framework/services/fast_xml_parser.dart
new file mode 100644
index 0000000..906b49b
--- /dev/null
+++ b/win_text_editor/lib/framework/services/fast_xml_parser.dart
@@ -0,0 +1,74 @@
+import 'dart:convert';
+import 'dart:io';
+import 'package:xml/xml.dart';
+
+class FastXmlParser {
+  /// 批量解析XML文件根节点属性
+  static Future<List<Map<String, String>>> batchParse(
+    List<String> filePaths, {
+    int maxFastParseBytes = 1024,
+  }) async {
+    return await Future.wait(filePaths.map((path) => _parseWithFallback(path, maxFastParseBytes)));
+  }
+
+  static Future<Map<String, String>> parse(String filePath, {int maxFastParseBytes = 512}) async {
+    return _parseWithFallback(filePath, maxFastParseBytes);
+  }
+
+  /// 带降级的解析流程
+  static Future<Map<String, String>> _parseWithFallback(String path, int maxBytes) async {
+    try {
+      // 优先尝试快速解析
+      return await _fastParseRootAttributes(path, maxBytes);
+    } catch (e) {
+      // 快速解析失败时降级到DOM解析
+      return await _domParseRootAttributes(path);
+    }
+  }
+
+  /// 快速解析方案（正则匹配）
+  static Future<Map<String, String>> _fastParseRootAttributes(String path, int maxBytes) async {
+    final file = File(path);
+    final raf = await file.open();
+    try {
+      // 仅读取文件开头部分
+      final buffer = await raf.read(maxBytes);
+      final content = utf8.decode(buffer);
+
+      // 使用正则提取开始标签属性
+      final startTag = RegExp(
+        r'(?:<\?xml[^?>]*\?>[\s\r\n]*)?<([^\s>]+)([^>]*)>',
+        caseSensitive: false,
+      ).firstMatch(content);
+      if (startTag == null) throw Exception('No start tag found');
+
+      final attrs = _parseAttributes(startTag.group(2)!);
+      return _extractRequiredAttributes(attrs);
+    } finally {
+      await raf.close();
+    }
+  }
+
+  /// DOM解析降级方案
+  static Future<Map<String, String>> _domParseRootAttributes(String path) async {
+    final content = await File(path).readAsString();
+    final document = XmlDocument.parse(content);
+    final attrs = document.rootElement.attributes.fold<Map<String, String>>(
+      {},
+      (map, attr) => map..[attr.name.qualified] = attr.value,
+    );
+    return _extractRequiredAttributes(attrs);
+  }
+
+  /// 辅助方法：解析属性字符串
+  static Map<String, String> _parseAttributes(String attrStr) {
+    return RegExp(r'(\w+)="([^"]*)"')
+        .allMatches(attrStr)
+        .fold<Map<String, String>>({}, (map, match) => map..[match.group(1)!] = match.group(2)!);
+  }
+
+  /// 辅助方法：提取目标属性
+  static Map<String, String> _extractRequiredAttributes(Map<String, String> attrs) {
+    return {'chineseName': attrs['chineseName'] ?? '', 'objectId': attrs['objectId'] ?? ''};
+  }
+}
diff --git a/win_text_editor/lib/framework/services/file_service.dart b/win_text_editor/lib/framework/services/file_service.dart
index 0e8a06b..9c247a3 100644
--- a/win_text_editor/lib/framework/services/file_service.dart
+++ b/win_text_editor/lib/framework/services/file_service.dart
@@ -1,32 +1,63 @@
 import 'dart:io';
 import 'package:win_text_editor/framework/controllers/logger.dart';
 import 'package:win_text_editor/framework/models/file_node.dart';
+import 'package:win_text_editor/framework/services/fast_xml_parser.dart';
 import 'package:xml/xml.dart';
 
 class FileService {
+  static const _specialExtensions = [
+    '.uftfunction',
+    '.uftservice',
+    '.uftatomfunction',
+    '.uftatomservice',
+    '.uftfactorfunction',
+    '.uftfactorservice',
+    '.uftstructure',
+  ];
+  static Future<String?> getSpecialFileName(String filePath) async {
+    final extension = filePath.substring(filePath.lastIndexOf('.'));
+    if (!_specialExtensions.contains(extension)) {
+      return null;
+    }
+
+    try {
+      final result = await FastXmlParser.parse(filePath);
+      return ('[${result['objectId']}]${result['chineseName']}');
+    } catch (e) {
+      Logger().debug('Error reading special file: $e');
+    }
+    return null;
+  }
+
   /// 延时加载目录内容（不递归）
   static Future<List<FileNode>> listDirectory(String path, {int parentDepth = 0}) async {
-  final dir = Directory(path);
-  final List<FileSystemEntity> entities = await dir.list().toList();
+    final dir = Directory(path);
+    final List<FileSystemEntity> entities = await dir.list().toList();
     final List<FileNode> nodes = [];
+    // final stopwatch = Stopwatch()..start();
 
-      for (final entity in entities) {
-          final isDirectory = await FileSystemEntity.isDirectory(entity.path);
-    final displayName = isDirectory 
-      ? await getModuleDisplayName(entity.path) 
-      : null;
-    
-       nodes.add(FileNode(
-      name: displayName ?? entity.path.split(Platform.pathSeparator).last,
-      path: entity.path,
-      isDirectory: isDirectory,
-      depth: parentDepth + 1,
-    ));
-  }
+    for (final entity in entities) {
+      final isDirectory = await FileSystemEntity.isDirectory(entity.path);
+      final displayName =
+          isDirectory
+              ? await getModuleDisplayName(entity.path)
+              : await getSpecialFileName(entity.path);
 
-  return nodes;
-}
+      nodes.add(
+        FileNode(
+          name: displayName ?? entity.path.split(Platform.pathSeparator).last,
+          path: entity.path,
+          isDirectory: isDirectory,
+          depth: parentDepth + 1,
+        ),
+      );
+    }
+
+    // stopwatch.stop();
+    // Logger().debug('执行耗时: ${stopwatch.elapsedMilliseconds} 毫秒 (ms)');
 
+    return nodes;
+  }
 
   static Future<String?> getModuleDisplayName(String dirPath) async {
     try {