| 1 | import 'dart:io'; |
| 2 | import 'dart:convert'; |
| 3 | import './print_verbose_dummy.dart'; |
| 4 | |
| 5 | import 'localization/localization_constants.dart'; |
| 6 | import 'utils/utils.dart'; |
| 7 | |
| 8 | const inputPath = 'res/values/'; |
| 9 | const outputPath = 'lib/generated/'; |
| 10 | const localizationFileName = 'i18n.dart'; |
| 11 | const localeListFileName = 'locales.dart'; |
| 12 | const srcDir = 'srcDir'; |
| 13 | const defaultLocale = 'en'; |
| 14 | |
| 15 | Future<void> main(List<String> args) async { |
| 16 | final extraInfo = args.isNotEmpty |
| 17 | ? args.fold(<String, dynamic>{}, (Map<String, dynamic> acc, String arg) { |
| 18 | final parts = arg.split('='); |
| 19 | var key = normalizeKeyName(parts[0]); |
| 20 | if (key.contains('--')) { |
| 21 | key = key.substring(2); |
| 22 | } |
| 23 | acc[key] = parts.length > 1 |
| 24 | ? parts[1].isNotEmpty |
| 25 | ? parts[1] |
| 26 | : inputPath |
| 27 | : inputPath; |
| 28 | return acc; |
| 29 | }) |
| 30 | : <String, dynamic>{srcDir: inputPath}; |
| 31 | |
| 32 | final outputDir = Directory(outputPath); |
| 33 | |
| 34 | if (!outputDir.existsSync()) { |
| 35 | await outputDir.create(); |
| 36 | } |
| 37 | |
| 38 | extraInfo.forEach((key, dynamic value) async { |
| 39 | if (key != srcDir) { |
| 40 | print('Wrong key: $key'); |
| 41 | return; |
| 42 | } |
| 43 | |
| 44 | final dirPath = value as String; |
| 45 | final dir = Directory(dirPath); |
| 46 | |
| 47 | if (!await dir.exists()) { |
| 48 | print('Wrong directory path: $dirPath'); |
| 49 | return; |
| 50 | } |
| 51 | |
| 52 | final localePath = <String, dynamic>{}; |
| 53 | await dir.list(recursive: false).forEach((element) { |
| 54 | // Parse the locale from the file name (e.g. strings_pt_br.arb -> pt_BR), |
| 55 | // normalizing the case so keys match LanguageService.supportedLocales. |
| 56 | final fileName = element.uri.pathSegments.last; |
| 57 | if (!fileName.startsWith('strings_') || !fileName.endsWith('.arb')) { |
| 58 | print('Wrong file: ${element.path}'); |
| 59 | return; |
| 60 | } |
| 61 | final parts = |
| 62 | fileName.substring('strings_'.length, fileName.length - '.arb'.length).split('_'); |
| 63 | final locale = parts.length > 1 |
| 64 | ? '${parts.first.toLowerCase()}_${parts.sublist(1).join('_').toUpperCase()}' |
| 65 | : parts.first.toLowerCase(); |
| 66 | localePath[locale] = element.path; |
| 67 | }); |
| 68 | |
| 69 | if (!localePath.keys.contains(defaultLocale)) { |
| 70 | print("Locale list doesn't contain $defaultLocale"); |
| 71 | return; |
| 72 | } |
| 73 | |
| 74 | try { |
| 75 | var output = ''; |
| 76 | var locales = 'const locales = ['; |
| 77 | |
| 78 | output += part1; |
| 79 | output += textDirectionDeclaration; |
| 80 | |
| 81 | var inputContent = File(localePath[defaultLocale].toString()).readAsStringSync(); |
| 82 | var config = json.decode(inputContent) as Map<String, dynamic>; |
| 83 | |
| 84 | output += localizedStrings(config: config, hasOverride: false); |
| 85 | output += '}' + '\n\n'; |
| 86 | |
| 87 | localePath.forEach((key, dynamic value) { |
| 88 | inputContent = File(localePath[key].toString()).readAsStringSync(); |
| 89 | config = json.decode(inputContent) as Map<String, dynamic>; |
| 90 | |
| 91 | locales += "'$key', "; |
| 92 | |
| 93 | output += 'class \$$key extends S {' + '\n'; |
| 94 | output += ' const \$$key();' + '\n'; |
| 95 | |
| 96 | if (key != defaultLocale) { |
| 97 | output += textDirectionDeclaration; |
| 98 | output += localizedStrings(config: config, hasOverride: true); |
| 99 | } |
| 100 | |
| 101 | output += '}' + '\n\n'; |
| 102 | }); |
| 103 | |
| 104 | output += classDeclaration; |
| 105 | |
| 106 | localePath.keys.forEach((key) { |
| 107 | output += ' Locale("$key", ""),' + '\n'; |
| 108 | }); |
| 109 | |
| 110 | output += part2; |
| 111 | |
| 112 | localePath.keys.forEach((key) { |
| 113 | output += ' case "$key":' + '\n'; |
| 114 | output += ' S.current = const \$$key();' + '\n'; |
| 115 | output += ' return SynchronousFuture<S>(S.current);' + '\n'; |
| 116 | }); |
| 117 | |
| 118 | output += part3; |
| 119 | |
| 120 | await File(outputPath + localizationFileName).writeAsString(output); |
| 121 | |
| 122 | locales += '];'; |
| 123 | |
| 124 | await File(outputPath + localeListFileName).writeAsString(locales); |
| 125 | } catch (e) { |
| 126 | print(e.toString()); |
| 127 | } |
| 128 | }); |
| 129 | } |
| 130 | |
| 131 | String localizedStrings({required Map<String, dynamic> config, required bool hasOverride}) { |
| 132 | var output = ''; |
| 133 | |
| 134 | final pattern = RegExp('[\$]{(.*?)}'); |
| 135 | |
| 136 | config.forEach((key, dynamic value) { |
| 137 | final matches = pattern.allMatches(value as String); |
| 138 | |
| 139 | if (hasOverride) { |
| 140 | output += ' @override' + '\n'; |
| 141 | } |
| 142 | |
| 143 | if (matches.isEmpty) { |
| 144 | output += ' String get ${key} => \"\"\"${value}\"\"\";' + '\n'; |
| 145 | } else { |
| 146 | final set = matches.map((elem) => elem.group(1)).toSet().toList(); |
| 147 | |
| 148 | output += ' String ${key}('; |
| 149 | |
| 150 | for (var elem in set) { |
| 151 | if (elem == set.last) { |
| 152 | output += 'String ${elem}'; |
| 153 | } else { |
| 154 | output += 'String ${elem}, '; |
| 155 | } |
| 156 | } |
| 157 | output += ') => \"\"\"${value}\"\"\";' + '\n'; |
| 158 | } |
| 159 | }); |
| 160 | |
| 161 | return output; |
| 162 | } |