feat(example): Implement common argument parsing
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@ -1,10 +1,9 @@
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import 'package:args/args.dart';
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import 'package:chalkdart/chalk.dart';
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import 'package:cli_repl/cli_repl.dart';
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import 'package:example_dart/arguments.dart';
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import 'package:example_dart/socket.dart';
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import 'package:logging/logging.dart';
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import 'package:moxxmpp/moxxmpp.dart';
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import 'package:moxxmpp_socket_tcp/moxxmpp_socket_tcp.dart';
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import 'package:omemo_dart/omemo_dart.dart' as omemo;
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void main(List<String> args) async {
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@ -17,43 +16,22 @@ void main(List<String> args) async {
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);
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});
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final parser = ArgParser()
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..addOption('jid')
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..addOption('password')
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..addOption('host')
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..addOption('port')
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..addOption('to')
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..addOption('xmpps-srv');
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final options = parser.parse(args);
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// Parse a potential xmpps-client SRV record here.
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// Format: --xmpps-srv <priority>,<weight>,<target>,<port>
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MoxSrvRecord? srvRecord;
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if (options['xmpps-srv'] != null) {
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final parts = (options['xmpps-srv']! as String).split(',');
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srvRecord = MoxSrvRecord(
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int.parse(parts[0]),
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int.parse(parts[1]),
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parts[2],
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int.parse(parts[3]),
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);
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final parser = ArgumentParser()
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..parser.addOption('to', help: 'The JID to send messages to');
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final options = parser.handleArguments(args);
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if (options == null) {
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return;
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}
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// Connect
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final jid = JID.fromString(options['jid']! as String);
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final jid = parser.jid;
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final to = JID.fromString(options['to']! as String).toBare();
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final portString = options['port'] as String?;
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final connection = XmppConnection(
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TestingReconnectionPolicy(),
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AlwaysConnectedConnectivityManager(),
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ClientToServerNegotiator(),
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ExampleTCPSocketWrapper(srvRecord),
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)..connectionSettings = ConnectionSettings(
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jid: jid,
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password: options['password']! as String,
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host: options['host'] as String?,
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port: portString != null ? int.parse(portString) : null,
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);
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ExampleTCPSocketWrapper(parser.srvRecord),
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)..connectionSettings = parser.connectionSettings;
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// Generate OMEMO data
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omemo.OmemoManager? oom;
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84
examples_dart/lib/arguments.dart
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84
examples_dart/lib/arguments.dart
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@ -0,0 +1,84 @@
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import 'package:args/args.dart';
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import 'package:chalkdart/chalk.dart';
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import 'package:moxxmpp/moxxmpp.dart';
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import 'package:moxxmpp_socket_tcp/moxxmpp_socket_tcp.dart';
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extension StringToInt on String {
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int toInt() => int.parse(this);
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}
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/// A wrapper around [ArgParser] for providing convenience functions and standard parameters
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/// to the examples.
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class ArgumentParser {
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ArgumentParser() {
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parser
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..addOption('jid', help: 'The JID to connect as')
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..addOption('password', help: 'The password to use for authenticating')
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..addOption('host',
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help:
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'The host address to connect to (By default uses the domain part of the JID)')
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..addOption('port', help: 'The port to connect to')
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..addOption('xmpps-srv',
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help:
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'Inject a SRV record for _xmpps-client._tcp. Format: <priority>,<weight>,<target>,<port>')
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..addFlag('help',
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abbr: 'h',
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negatable: false,
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defaultsTo: false,
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help: 'Show this help text');
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}
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/// The [ArgParser] that handles parsing the arguments.
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final ArgParser parser = ArgParser();
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/// The parsed options. Only valid after calling [handleArguments].
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late ArgResults options;
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ArgResults? handleArguments(List<String> args) {
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options = parser.parse(args);
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if (options['help']!) {
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print(parser.usage);
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return null;
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}
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if (options['jid'] == null) {
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print(chalk.red('No JID specified'));
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print(parser.usage);
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return null;
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}
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if (options['password'] == null) {
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print(chalk.red('No password specified'));
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print(parser.usage);
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return null;
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}
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return options;
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}
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/// The JID to connect as.
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JID get jid => JID.fromString(options['jid']!).toBare();
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/// Construct connection settings from the parsed options.
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ConnectionSettings get connectionSettings => ConnectionSettings(
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jid: jid,
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password: options['password']!,
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host: options['host'],
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port: (options['port'] as String?)?.toInt(),
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);
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/// Construct an xmpps-client SRV record for injection, if specified.
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MoxSrvRecord? get srvRecord {
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if (options['xmpps-srv'] == null) {
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return null;
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}
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final parts = options['xmpps-srv']!.split(',');
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return MoxSrvRecord(
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int.parse(parts[0]),
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int.parse(parts[1]),
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parts[2],
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int.parse(parts[3]),
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);
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}
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}
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