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| 1 | <?php declare(strict_types=1); |
| 2 | |
| 3 | /** |
| 4 | * Clansuite Server Query |
| 5 | * |
| 6 | * SPDX-FileCopyrightText: 2003-2025 Jens A. Koch |
| 7 | * SPDX-License-Identifier: MIT |
| 8 | * |
| 9 | * For the full copyright and license information, please view |
| 10 | * the LICENSE file that was distributed with this source code. |
| 11 | */ |
| 12 | |
| 13 | namespace Clansuite\Capture\CLI; |
| 14 | |
| 15 | use function in_array; |
| 16 | |
| 17 | /** |
| 18 | * Displays help information for the Clansuite Server Query capture tool CLI. |
| 19 | */ |
| 20 | class HelpCommand |
| 21 | { |
| 22 | /** |
| 23 | * Executes the help command, printing usage information to stdout. |
| 24 | * |
| 25 | * @param array<string> $argv Command line arguments |
| 26 | * |
| 27 | * @return int Exit code (0 for success) |
| 28 | */ |
| 29 | public function run(array $argv): int |
| 30 | { |
| 31 | // If the caller passed a known help flag as the second arg (e.g. '--help'), |
| 32 | // don't treat that as a message prefix to print. Only print a prefix |
| 33 | // when it's an actual message (like an error notice). |
| 34 | $maybe = $argv[1] ?? ''; |
| 35 | $helpFlags = ['-h', '--help', 'help', null, '']; |
| 36 | |
| 37 | $prefix = in_array($maybe, $helpFlags, true) ? '' : $maybe; |
| 38 | |
| 39 | $this->printHelp($prefix); |
| 40 | |
| 41 | return 0; |
| 42 | } |
| 43 | |
| 44 | /** |
| 45 | * Prints the help text to stdout with an optional prefix. |
| 46 | * |
| 47 | * @param string $prefix Optional prefix to prepend to the help text |
| 48 | */ |
| 49 | public function printHelp(string $prefix = ''): void |
| 50 | { |
| 51 | if ($prefix !== '') { |
| 52 | print $prefix; |
| 53 | } |
| 54 | |
| 55 | print "Clansuite Server Query - Capture Tool CLI\n"; |
| 56 | print "Copyright (c) 2003-2025 Jens A. Koch.\n"; |
| 57 | print "License: MIT.\n"; |
| 58 | print "\n"; |
| 59 | print "Description:\n"; |
| 60 | print " A command-line tool to query and capture information from supported game servers.\n"; |
| 61 | print "\n"; |
| 62 | print "Usage:\n"; |
| 63 | print " capture <ip> <query_port> [protocol] # Captures a fixture from server and stores it.\n"; |
| 64 | print " capture list # Lists available fixtures.\n"; |
| 65 | print " capture help|-h|--help # Shows this message.\n"; |
| 66 | print "\n"; |
| 67 | print "Arguments:\n"; |
| 68 | print " <ip> IP address or hostname of the game server\n"; |
| 69 | print " <port> Port number of the game server\n\n"; |
| 70 | print "\n"; |
| 71 | print "Examples:\n"; |
| 72 | print " capture ger10.ddnet.org 8300 ddnet\n"; |
| 73 | print " capture 123.123.123.123 8303 arma3\n"; |
| 74 | print " capture list\n"; |
| 75 | print " capture list ddnet | jq '.' # filter and pretty-print ddnet captures\n"; |
| 76 | print "\n"; |
| 77 | print "Notes:\n"; |
| 78 | print " - Use -h or --help to show this message.\n"; |
| 79 | } |
| 80 | } |