377 lines
10 KiB
PHP
377 lines
10 KiB
PHP
<?php
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namespace nur\sery\wip\app\cli;
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use Exception;
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use nur\cli\ArgsException;
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use nur\cli\ArgsParser;
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use nur\config;
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use nur\sery\ExitError;
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use nur\sery\output\console;
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use nur\sery\output\log;
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use nur\sery\output\msg;
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use nur\sery\output\std\StdMessenger;
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use nur\sery\ValueException;
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use nur\sery\wip\app\app2;
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use nur\sery\wip\app\RunFile;
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use nur\sery\wip\web\content\v;
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use nur\yaml;
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/**
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* Class Application: application de base
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*/
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abstract class Application {
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/** @var string répertoire du projet (celui qui contient composer.json */
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const PROJDIR = null;
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/**
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* @var array répertoires vendor exprimés relativement à PROJDIR
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*
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* les clés suivantes doivent être présentes dans le tableau:
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* - autoload (chemin vers vendor/autoload.php)
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* - bindir (chemin vers vendor/bin)
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*/
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const VENDOR = null;
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/**
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* @var string code du projet, utilisé pour dériver le noms de certains des
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* paramètres extraits de l'environnement, e.g XXX_YYY_DATADIR si le projet a
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* pour code xxx-yyy
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*
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* si non définie, cette valeur est calculée automatiquement à partir de
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* self::PROJDIR sans le suffixe "-app"
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*/
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const APPCODE = null;
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/**
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* @var string|null identifiant d'un groupe auquel l'application appartient.
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* les applications du même groupe enregistrent leur fichiers de controle au
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* même endroit $VARDIR/$APPGROUP
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*/
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const APPGROUP = null;
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/**
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* @var string code de l'application, utilisé pour inférer le nom de certains
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* fichiers spécifiques à l'application.
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*
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* si non définie, cette valeur est calculée automatiquement à partir de
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* static::class
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*/
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const NAME = null;
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/** @var string description courte de l'application */
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const TITLE = null;
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const DATADIR = null;
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const ETCDIR = null;
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const VARDIR = null;
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const LOGDIR = null;
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/** @var bool faut-il activer automatiquement l'écriture dans les logs */
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const USE_LOGFILE = null;
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/** @var bool faut-il maintenir un fichier de suivi du process? */
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const USE_RUNFILE = false;
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/**
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* @var bool faut-il empêcher deux instances de cette application de se lancer
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* en même temps?
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*
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* nécessite USE_RUNFILE==true
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*/
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const USE_RUNLOCK = false;
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/** @var bool faut-il installer le gestionnaire de signaux? */
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const INSTALL_SIGNAL_HANDLER = false;
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private static function _info(string $message, int $ec=0): int {
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fwrite(STDERR, "INFO: $message\n");
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return $ec;
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}
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private static function _error(string $message, int $ec=1): int {
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fwrite(STDERR, "ERROR: $message\n");
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return $ec;
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}
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static function _manage_runfile(int &$argc, array &$argv, RunFile $runfile): void {
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if ($argc <= 1 || $argv[1] !== "//") return;
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array_splice($argv, 1, 1); $argc--;
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$ec = 0;
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switch ($argv[1] ?? "infos") {
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case "help":
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self::_info(<<<EOT
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kill
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release
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infos
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dump
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reset
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EOT);
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break;
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case "start":
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case "s":
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array_splice($argv, 1, 1); $argc--;
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return;
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case "kill":
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case "k":
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if ($runfile->isRunning()) $runfile->wfKill();
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else $ec = self::_error("not running");
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break;
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case "release":
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case "rl":
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$runfile->release();
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break;
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case "infos":
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case "i":
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$desc = $runfile->getDesc();
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if ($runfile->isRunning()) {
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$actionDesc = $runfile->getActionDesc();
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if ($actionDesc !== null) $actionDesc = "\n$actionDesc";
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echo "$desc$actionDesc\n";
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} else {
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echo "$desc\n";
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$ec = 1;
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}
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break;
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case "dump":
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case "d":
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yaml::dump($runfile->read());
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break;
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case "reset":
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case "z":
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if (!$runfile->isRunning()) $runfile->reset();
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else $ec = self::_error("cannot reset while running");
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break;
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default:
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$ec = self::_error("$argv[1]: unexpected command", app2::EC_BAD_COMMAND);
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}
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exit($ec);
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}
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static function run(?Application $app=null): void {
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$unlock = false;
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$stop = false;
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$shutdown = function () use (&$unlock, &$stop) {
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if ($unlock) {
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app2::get()->getRunfile()->release();
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$unlock = false;
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}
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if ($stop) {
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app2::get()->getRunfile()->wfStop();
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$stop = false;
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}
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};
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register_shutdown_function($shutdown);
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app2::install_signal_handler(static::INSTALL_SIGNAL_HANDLER);
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try {
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static::_initialize_app();
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$useRunfile = static::USE_RUNFILE;
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$useRunlock = static::USE_RUNLOCK;
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if ($useRunfile) {
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$runfile = app2::get()->getRunfile();
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global $argc, $argv;
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self::_manage_runfile($argc, $argv, $runfile);
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if ($useRunlock && $runfile->warnIfLocked()) exit(app2::EC_LOCKED);
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$runfile->wfStart();
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$stop = true;
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if ($useRunlock) {
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$runfile->lock();
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$unlock = true;
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}
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}
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if ($app === null) $app = new static();
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static::_configure_app($app);
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static::_start_app($app);
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} catch (ExitError $e) {
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if ($e->haveUserMessage()) msg::error($e->getUserMessage());
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exit($e->getCode());
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} catch (Exception $e) {
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msg::error($e);
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exit(app2::EC_UNEXPECTED);
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}
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}
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protected static function _initialize_app(): void {
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app2::init(static::class);
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msg::set_messenger(new StdMessenger([
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"min_level" => msg::DEBUG,
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]));
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}
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protected static function _configure_app(Application $app): void {
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config::configure(config::CONFIGURE_INITIAL_ONLY);
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$msgs = null;
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$msgs["console"] = new StdMessenger([
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"min_level" => msg::NORMAL,
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]);
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if (static::USE_LOGFILE) {
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$msgs["log"] = new StdMessenger([
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"output" => app2::get()->getLogfile(),
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"min_level" => msg::MINOR,
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"add_date" => true,
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]);
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}
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msg::init($msgs);
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$app->parseArgs();
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config::configure();
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}
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protected static function _start_app(Application $app): void {
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$retcode = $app->main();
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if (is_int($retcode)) exit($retcode);
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elseif (is_bool($retcode)) exit($retcode? 0: 1);
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elseif ($retcode !== null) exit(strval($retcode));
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}
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/**
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* sortir de l'application avec un code d'erreur, qui est 0 par défaut (i.e
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* pas d'erreur)
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*
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* équivalent à lancer l'exception {@link ExitError}
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*/
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protected static final function exit(int $exitcode=0, $message=null) {
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throw new ExitError($exitcode, $message);
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}
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/**
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* sortir de l'application avec un code d'erreur, qui vaut 1 par défaut (i.e
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* une erreur s'est produite)
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*
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* équivalent à lancer l'exception {@link ExitError}
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*/
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protected static final function die($message=null, int $exitcode=1) {
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throw new ExitError($exitcode, $message);
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}
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const PROFILE_SECTION = [
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"title" => "PROFILS D'EXECUTION",
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["group",
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["-p", "--profile", "--app-profile",
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"args" => 1, "argsdesc" => "PROFILE",
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"action" => [app2::class, "set_profile"],
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"help" => "spécifier le profil d'exécution",
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],
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["-P", "--prod", "action" => [app2::class, "set_profile", config::PROD]],
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["-T", "--test", "action" => [app2::class, "set_profile", config::TEST]],
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["--devel", "action" => [app2::class, "set_profile", config::DEVEL]],
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],
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];
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const VERBOSITY_SECTION = [
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"title" => "NIVEAU D'INFORMATION",
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"show" => false,
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["group",
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["--verbosity",
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"args" => 1, "argsdesc" => "silent|quiet|verbose|debug",
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"action" => [null, "set_application_verbosity"],
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"help" => "spécifier le niveau d'informations affiché",
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],
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["-q", "--quiet", "action" => [null, "set_application_verbosity", "quiet"]],
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["-v", "--verbose", "action" => [null, "set_application_verbosity", "verbose"]],
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["-D", "--debug", "action" => [null, "set_application_verbosity", "debug"]],
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],
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["-L", "--logfile",
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"args" => "file", "argsdesc" => "OUTPUT",
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"action" => [null, "set_application_log_output"],
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"help" => "Logger les messages de l'application dans le fichier spécifié",
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],
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["group",
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["--color",
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"action" => [null, "set_application_color", true],
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"help" => "Afficher (resp. ne pas afficher) la sortie en couleur par défaut",
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],
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["--no-color", "action" => [null, "set_application_color", false]],
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],
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];
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static function set_application_verbosity(string $verbosity): void {
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$console = console::get();
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switch ($verbosity) {
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case "Q":
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case "silent":
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$console->resetParams([
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"min_level" => msg::NONE,
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]);
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break;
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case "q":
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case "quiet":
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$console->resetParams([
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"min_level" => msg::MAJOR,
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]);
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break;
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case "n":
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case "normal":
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$console->resetParams([
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"min_level" => msg::NORMAL,
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]);
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break;
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case "v":
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case "verbose":
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$console->resetParams([
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"min_level" => msg::MINOR,
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]);
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break;
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case "D":
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case "debug":
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config::set_debug();
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$console->resetParams([
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"min_level" => msg::DEBUG,
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]);
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break;
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default:
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throw ValueException::invalid_value($verbosity, "verbosity");
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}
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}
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static function set_application_log_output(string $logfile): void {
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log::create_or_reset_params([
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"output" => $logfile,
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], StdMessenger::class, [
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"add_date" => true,
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"min_level" => log::MINOR,
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]);
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}
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static function set_application_color(bool $color): void {
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console::reset_params([
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"color" => $color,
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]);
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}
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const ARGS = [
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"sections" => [
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self::PROFILE_SECTION,
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self::VERBOSITY_SECTION,
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],
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];
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/** @throws ArgsException */
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function parseArgs(array $args=null): void {
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$parser = new ArgsParser(static::ARGS);
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$parser->parse($this, $args);
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}
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const PROFILE_COLORS = [
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"prod" => "@r",
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"test" => "@g",
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"devel" => "@w",
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];
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const DEFAULT_PROFILE_COLOR = "y";
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/** retourner le profil courant en couleur */
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static function get_profile(?string $profile=null): string {
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if ($profile === null) $profile = app2::get_profile();
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foreach (static::PROFILE_COLORS as $text => $color) {
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if (strpos($profile, $text) !== false) {
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return $color? "<color $color>$profile</color>": $profile;
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}
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}
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$color = static::DEFAULT_PROFILE_COLOR;
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return $color? "<color $color>$profile</color>": $profile;
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}
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abstract function main();
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}
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