blob: b3a505d9e5f585544ef446e1ce3f9b6c11574b68 [file] [log] [blame]
// Copyright 2016 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
import '../convert.dart';
import 'context.dart';
import 'file_system.dart';
import 'platform.dart';
class Config {
Config([File configFile]) {
_configFile = configFile ?? fs.file(fs.path.join(_userHomeDir(), '.flutter_settings'));
if (_configFile.existsSync())
_values = json.decode(_configFile.readAsStringSync());
}
static Config get instance => context.get<Config>();
File _configFile;
String get configPath => _configFile.path;
Map<String, dynamic> _values = <String, dynamic>{};
Iterable<String> get keys => _values.keys;
bool containsKey(String key) => _values.containsKey(key);
dynamic getValue(String key) => _values[key];
void setValue(String key, String value) {
_values[key] = value;
_flushValues();
}
void removeValue(String key) {
_values.remove(key);
_flushValues();
}
void _flushValues() {
String json = const JsonEncoder.withIndent(' ').convert(_values);
json = '$json\n';
_configFile.writeAsStringSync(json);
}
}
String _userHomeDir() {
final String envKey = platform.operatingSystem == 'windows' ? 'APPDATA' : 'HOME';
return platform.environment[envKey] ?? '.';
}