feat(example): Implement common argument parsing

This commit is contained in:
PapaTutuWawa 2023-06-18 21:16:47 +02:00
parent fbbe413148
commit e3ca83670a
2 changed files with 93 additions and 31 deletions

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@ -1,10 +1,9 @@
import 'package:args/args.dart';
import 'package:chalkdart/chalk.dart';
import 'package:cli_repl/cli_repl.dart';
import 'package:example_dart/arguments.dart';
import 'package:example_dart/socket.dart';
import 'package:logging/logging.dart';
import 'package:moxxmpp/moxxmpp.dart';
import 'package:moxxmpp_socket_tcp/moxxmpp_socket_tcp.dart';
import 'package:omemo_dart/omemo_dart.dart' as omemo;
void main(List<String> args) async {
@ -17,43 +16,22 @@ void main(List<String> args) async {
);
});
final parser = ArgParser()
..addOption('jid')
..addOption('password')
..addOption('host')
..addOption('port')
..addOption('to')
..addOption('xmpps-srv');
final options = parser.parse(args);
// Parse a potential xmpps-client SRV record here.
// Format: --xmpps-srv <priority>,<weight>,<target>,<port>
MoxSrvRecord? srvRecord;
if (options['xmpps-srv'] != null) {
final parts = (options['xmpps-srv']! as String).split(',');
srvRecord = MoxSrvRecord(
int.parse(parts[0]),
int.parse(parts[1]),
parts[2],
int.parse(parts[3]),
);
final parser = ArgumentParser()
..parser.addOption('to', help: 'The JID to send messages to');
final options = parser.handleArguments(args);
if (options == null) {
return;
}
// Connect
final jid = JID.fromString(options['jid']! as String);
final jid = parser.jid;
final to = JID.fromString(options['to']! as String).toBare();
final portString = options['port'] as String?;
final connection = XmppConnection(
TestingReconnectionPolicy(),
AlwaysConnectedConnectivityManager(),
ClientToServerNegotiator(),
ExampleTCPSocketWrapper(srvRecord),
)..connectionSettings = ConnectionSettings(
jid: jid,
password: options['password']! as String,
host: options['host'] as String?,
port: portString != null ? int.parse(portString) : null,
);
ExampleTCPSocketWrapper(parser.srvRecord),
)..connectionSettings = parser.connectionSettings;
// Generate OMEMO data
omemo.OmemoManager? oom;

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@ -0,0 +1,84 @@
import 'package:args/args.dart';
import 'package:chalkdart/chalk.dart';
import 'package:moxxmpp/moxxmpp.dart';
import 'package:moxxmpp_socket_tcp/moxxmpp_socket_tcp.dart';
extension StringToInt on String {
int toInt() => int.parse(this);
}
/// A wrapper around [ArgParser] for providing convenience functions and standard parameters
/// to the examples.
class ArgumentParser {
ArgumentParser() {
parser
..addOption('jid', help: 'The JID to connect as')
..addOption('password', help: 'The password to use for authenticating')
..addOption('host',
help:
'The host address to connect to (By default uses the domain part of the JID)')
..addOption('port', help: 'The port to connect to')
..addOption('xmpps-srv',
help:
'Inject a SRV record for _xmpps-client._tcp. Format: <priority>,<weight>,<target>,<port>')
..addFlag('help',
abbr: 'h',
negatable: false,
defaultsTo: false,
help: 'Show this help text');
}
/// The [ArgParser] that handles parsing the arguments.
final ArgParser parser = ArgParser();
/// The parsed options. Only valid after calling [handleArguments].
late ArgResults options;
ArgResults? handleArguments(List<String> args) {
options = parser.parse(args);
if (options['help']!) {
print(parser.usage);
return null;
}
if (options['jid'] == null) {
print(chalk.red('No JID specified'));
print(parser.usage);
return null;
}
if (options['password'] == null) {
print(chalk.red('No password specified'));
print(parser.usage);
return null;
}
return options;
}
/// The JID to connect as.
JID get jid => JID.fromString(options['jid']!).toBare();
/// Construct connection settings from the parsed options.
ConnectionSettings get connectionSettings => ConnectionSettings(
jid: jid,
password: options['password']!,
host: options['host'],
port: (options['port'] as String?)?.toInt(),
);
/// Construct an xmpps-client SRV record for injection, if specified.
MoxSrvRecord? get srvRecord {
if (options['xmpps-srv'] == null) {
return null;
}
final parts = options['xmpps-srv']!.split(',');
return MoxSrvRecord(
int.parse(parts[0]),
int.parse(parts[1]),
parts[2],
int.parse(parts[3]),
);
}
}