Command` (e.g. `HelpCommand`). * * To run the console application, enter the following on the command line: * * ~~~ * yiic [param 1] [param 2] ... * ~~~ * * You may use the following line to see help instructions about a command: * * ~~~ * yiic help * ~~~ * * @author Qiang Xue * @since 2.0 */ class Application extends \yii\base\Application { /** * @var string the default route of this application. Defaults to 'help', * meaning the `help` command. */ public $defaultRoute = 'help'; /** * @var boolean whether to enable the commands provided by the core framework. * Defaults to true. */ public $enableCoreCommands = true; public function init() { parent::init(); if ($this->enableCoreCommands) { foreach ($this->coreCommands() as $id => $command) { if (!isset($this->controllers[$id])) { $this->controllers[$id] = $command; } } } // ensure we have the 'help' command so that we can list the available commands if ($this->defaultRoute === 'help' && !isset($this->controllers['help'])) { $this->controllers['help'] = 'yii\console\commands\HelpController'; } } /** * Runs the application. * This is the main entrance of an application. * @return integer the exit status (0 means normal, non-zero values mean abnormal) */ public function run() { if (!isset($_SERVER['argv'])) { die('This script must be run from the command line.'); } list($route, $params) = $this->resolveRequest($_SERVER['argv']); $this->beforeRequest(); $status = $this->processRequest($route, $params); $this->afterRequest(); return $status; } /** * Resolves the request. * @param array $args the arguments passed via the command line * @return array the controller route and the parameters for the controller action */ protected function resolveRequest($args) { array_shift($args); // the 1st argument is the yiic script name if (isset($args[0])) { $route = $args[0]; array_shift($args); } else { $route = ''; } $params = array(); foreach ($args as $arg) { if (preg_match('/^--(\w+)(=(.*))?$/', $arg, $matches)) { $name = $matches[1]; $params[$name] = isset($matches[3]) ? $matches[3] : true; } else { $params['args'][] = $arg; } } return array($route, $params); } /** * Searches for commands under the specified directory. * @param string $path the directory containing the command class files. * @return array list of commands (command name=>command class file) */ public function findCommands($path) { if (($dir = @opendir($path)) === false) return array(); $commands = array(); while (($name = readdir($dir)) !== false) { $file = $path . DIRECTORY_SEPARATOR . $name; if (!strcasecmp(substr($name, -11), 'Command.php') && is_file($file)) $commands[strtolower(substr($name, 0, -11))] = $file; } closedir($dir); return $commands; } /** * Adds commands from the specified command path. * If a command already exists, the new one will be ignored. * @param string $path the alias of the directory containing the command class files. */ public function addCommands($path) { if (($commands = $this->findCommands($path)) !== array()) { foreach ($commands as $name => $file) { if (!isset($this->commands[$name])) $this->commands[$name] = $file; } } } /** * @param string $name command name (case-insensitive) * @return CConsoleCommand the command object. Null if the name is invalid. */ public function createCommand($name) { $name = strtolower($name); if (isset($this->commands[$name])) { if (is_string($this->commands[$name])) // class file path or alias { if (strpos($this->commands[$name], '/') !== false || strpos($this->commands[$name], '\\') !== false) { $className = substr(basename($this->commands[$name]), 0, -4); if (!class_exists($className, false)) require_once($this->commands[$name]); } else // an alias $className = Yii::import($this->commands[$name]); return new $className($name, $this); } else // an array configuration return Yii::createComponent($this->commands[$name], $name, $this); } else if ($name === 'help') return new CHelpCommand('help', $this); else return null; } public function coreCommands() { return array( 'message' => 'yii\console\commands\MessageController', 'help' => 'yii\console\commands\HelpController', 'migrate' => 'yii\console\commands\MigrateController', 'shell' => 'yii\console\commands\ShellController', 'app' => 'yii\console\commands\AppController', ); } }