104 lines
2.9 KiB
Dart
104 lines
2.9 KiB
Dart
import 'dart:io';
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import 'package:path/path.dart' as path;
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import 'package:yaml/yaml.dart';
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import 'package:yx_icon_fonts/src/config/generator_config.dart';
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/// 配置加载器
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///
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/// 负责从 YAML 文件加载配置
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class ConfigLoader {
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/// 默认配置文件名
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static const String defaultConfigFileName = 'icon_generator_config.yaml';
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/// 加载配置文件
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///
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/// [configPath] 配置文件路径，如果为 null 则使用默认路径
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/// [workingDir] 工作目录，默认为当前目录
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static GeneratorConfig load({
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String? configPath,
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String? workingDir,
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}) {
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final directory = workingDir ?? Directory.current.path;
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final filePath = configPath ?? path.join(directory, defaultConfigFileName);
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final file = File(filePath);
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if (!file.existsSync()) {
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throw ConfigNotFoundException(
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'配置文件不存在: $filePath\n'
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'请运行 "dart run yx_icon_fonts init" 创建配置文件',
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);
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}
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try {
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final content = file.readAsStringSync();
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final yamlMap = loadYaml(content) as YamlMap?;
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if (yamlMap == null) {
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throw ConfigParseException('配置文件为空或格式错误');
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}
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// 将 YamlMap 转换为 Map<String, dynamic>
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final map = _convertYamlMap(yamlMap);
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return GeneratorConfig.fromMap(map);
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} on YamlException catch (e) {
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throw ConfigParseException('YAML 解析错误: ${e.message}');
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}
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}
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/// 检查配置文件是否存在
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static bool exists({String? configPath, String? workingDir}) {
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final directory = workingDir ?? Directory.current.path;
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final filePath = configPath ?? path.join(directory, defaultConfigFileName);
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return File(filePath).existsSync();
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}
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/// 将 YamlMap 递归转换为 Map<String, dynamic>
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static Map<String, dynamic> _convertYamlMap(YamlMap yamlMap) {
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final result = <String, dynamic>{};
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for (final key in yamlMap.keys) {
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final value = yamlMap[key];
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if (value is YamlMap) {
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result[key.toString()] = _convertYamlMap(value);
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} else if (value is YamlList) {
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result[key.toString()] = _convertYamlList(value);
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} else {
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result[key.toString()] = value;
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}
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}
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return result;
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}
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/// 将 YamlList 递归转换为 List<dynamic>
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static List<dynamic> _convertYamlList(YamlList yamlList) {
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return yamlList.map((item) {
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if (item is YamlMap) {
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return _convertYamlMap(item);
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} else if (item is YamlList) {
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return _convertYamlList(item);
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}
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return item;
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}).toList();
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}
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}
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/// 配置文件未找到异常
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class ConfigNotFoundException implements Exception {
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ConfigNotFoundException(this.message);
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final String message;
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@override
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String toString() => 'ConfigNotFoundException: $message';
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}
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/// 配置解析异常
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class ConfigParseException implements Exception {
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ConfigParseException(this.message);
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final String message;
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@override
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String toString() => 'ConfigParseException: $message';
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}
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