CAKE-272 | moved constants into localization_constants.dart and locale_list.dart; moved generation of localized strings inside of the loop body

This commit is contained in:
OleksandrSobol 2021-03-22 20:08:10 +02:00
parent 319a7bfca6
commit 78689d394d
3 changed files with 128 additions and 126 deletions

View file

@ -1,144 +1,31 @@
import 'dart:io';
import 'dart:convert';
import 'localization/locale_list.dart';
import 'localization/localization_constants.dart';
const inputPath = 'res/values/';
const outputPath = 'lib/generated/i18n.dart';
const locales = ['en', 'de', 'es', 'hi',
'ja', 'ko', 'nl', 'pl',
'pt', 'ru', 'uk', 'zh'];
const header = """
import \'dart:async\';
import \'package:flutter/foundation.dart\';
import \'package:flutter/material.dart\';
class S implements WidgetsLocalizations {
const S();
static S current;
static const GeneratedLocalizationsDelegate delegate =
GeneratedLocalizationsDelegate();
static S of(BuildContext context) => Localizations.of<S>(context, S);
""";
const textDirectionDeclaration = """
@override
TextDirection get textDirection => TextDirection.ltr;
""";
const classDeclaration = """
class GeneratedLocalizationsDelegate extends LocalizationsDelegate<S> {
const GeneratedLocalizationsDelegate();
List<Locale> get supportedLocales {
return const <Locale>[
""";
const middle = """
];
}
LocaleListResolutionCallback listResolution({Locale fallback, bool withCountry = true}) {
return (List<Locale> locales, Iterable<Locale> supported) {
if (locales == null || locales.isEmpty) {
return fallback ?? supported.first;
} else {
return _resolve(locales.first, fallback, supported, withCountry);
}
};
}
LocaleResolutionCallback resolution({Locale fallback, bool withCountry = true}) {
return (Locale locale, Iterable<Locale> supported) {
return _resolve(locale, fallback, supported, withCountry);
};
}
@override
Future<S> load(Locale locale) {
final String lang = getLang(locale);
if (lang != null) {
switch (lang) {
""";
const end = """
default:
}
}
S.current = const S();
return SynchronousFuture<S>(S.current);
}
@override
bool isSupported(Locale locale) => _isSupported(locale, true);
@override
bool shouldReload(GeneratedLocalizationsDelegate old) => false;
Locale _resolve(Locale locale, Locale fallback, Iterable<Locale> supported, bool withCountry) {
if (locale == null || !_isSupported(locale, withCountry)) {
return fallback ?? supported.first;
}
final Locale languageLocale = Locale(locale.languageCode, "");
if (supported.contains(locale)) {
return locale;
} else if (supported.contains(languageLocale)) {
return languageLocale;
} else {
final Locale fallbackLocale = fallback ?? supported.first;
return fallbackLocale;
}
}
bool _isSupported(Locale locale, bool withCountry) {
if (locale != null) {
for (Locale supportedLocale in supportedLocales) {
if (supportedLocale.languageCode != locale.languageCode) {
continue;
}
if (supportedLocale.countryCode == locale.countryCode) {
return true;
}
if (true != withCountry && (supportedLocale.countryCode == null || supportedLocale.countryCode.isEmpty)) {
return true;
}
}
}
return false;
}
}
String getLang(Locale l) => l == null
? null
: l.countryCode != null && l.countryCode.isEmpty
? l.languageCode
: l.toString();
""";
Future<void> main() async {
var inputContent = File(inputPath + 'strings_en.arb').readAsStringSync();
var config = json.decode(inputContent) as Map<String, dynamic>;
var output = '';
output += header;
output += part1;
output += textDirectionDeclaration;
output += localizedStrings(config: config, hasOverride: false);
output += '}' + '\n\n';
for (var locale in locales) {
final inputContent = File(inputPath + 'strings_$locale.arb').readAsStringSync();
final config = json.decode(inputContent) as Map<String, dynamic>;
if (locale == locales.first) {
output += localizedStrings(config: config, hasOverride: false);
output += '}' + '\n\n';
}
output += 'class \$$locale extends S {' + '\n';
output += ' const \$$locale();' + '\n';
if (locale != locales.first) {
output += textDirectionDeclaration;
inputContent = File(inputPath + 'strings_$locale.arb').readAsStringSync();
config = json.decode(inputContent) as Map<String, dynamic>;
output += localizedStrings(config: config, hasOverride: true);
}
@ -151,7 +38,7 @@ Future<void> main() async {
output += ' Locale("$locale", ""),' + '\n';
}
output += middle;
output += part2;
for (var locale in locales) {
output += ' case "$locale":' + '\n';
@ -159,7 +46,7 @@ Future<void> main() async {
output += ' return SynchronousFuture<S>(S.current);' + '\n';
}
output += end;
output += part3;
await File(outputPath).writeAsString(output);
}

View file

@ -0,0 +1,3 @@
const locales = ['en', 'de', 'es', 'hi',
'ja', 'ko', 'nl', 'pl',
'pt', 'ru', 'uk', 'zh'];

View file

@ -0,0 +1,112 @@
const textDirectionDeclaration = """
@override
TextDirection get textDirection => TextDirection.ltr;
""";
const classDeclaration = """
class GeneratedLocalizationsDelegate extends LocalizationsDelegate<S> {
const GeneratedLocalizationsDelegate();
List<Locale> get supportedLocales {
return const <Locale>[
""";
const part1 = """
import \'dart:async\';
import \'package:flutter/foundation.dart\';
import \'package:flutter/material.dart\';
class S implements WidgetsLocalizations {
const S();
static S current;
static const GeneratedLocalizationsDelegate delegate =
GeneratedLocalizationsDelegate();
static S of(BuildContext context) => Localizations.of<S>(context, S);
""";
const part2 = """
];
}
LocaleListResolutionCallback listResolution({Locale fallback, bool withCountry = true}) {
return (List<Locale> locales, Iterable<Locale> supported) {
if (locales == null || locales.isEmpty) {
return fallback ?? supported.first;
} else {
return _resolve(locales.first, fallback, supported, withCountry);
}
};
}
LocaleResolutionCallback resolution({Locale fallback, bool withCountry = true}) {
return (Locale locale, Iterable<Locale> supported) {
return _resolve(locale, fallback, supported, withCountry);
};
}
@override
Future<S> load(Locale locale) {
final String lang = getLang(locale);
if (lang != null) {
switch (lang) {
""";
const part3 = """
default:
}
}
S.current = const S();
return SynchronousFuture<S>(S.current);
}
@override
bool isSupported(Locale locale) => _isSupported(locale, true);
@override
bool shouldReload(GeneratedLocalizationsDelegate old) => false;
Locale _resolve(Locale locale, Locale fallback, Iterable<Locale> supported, bool withCountry) {
if (locale == null || !_isSupported(locale, withCountry)) {
return fallback ?? supported.first;
}
final Locale languageLocale = Locale(locale.languageCode, "");
if (supported.contains(locale)) {
return locale;
} else if (supported.contains(languageLocale)) {
return languageLocale;
} else {
final Locale fallbackLocale = fallback ?? supported.first;
return fallbackLocale;
}
}
bool _isSupported(Locale locale, bool withCountry) {
if (locale != null) {
for (Locale supportedLocale in supportedLocales) {
if (supportedLocale.languageCode != locale.languageCode) {
continue;
}
if (supportedLocale.countryCode == locale.countryCode) {
return true;
}
if (true != withCountry && (supportedLocale.countryCode == null || supportedLocale.countryCode.isEmpty)) {
return true;
}
}
}
return false;
}
}
String getLang(Locale l) => l == null
? null
: l.countryCode != null && l.countryCode.isEmpty
? l.languageCode
: l.toString();
""";