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var/www/vhosts/oinversion.com/httpdocs/vendor/yiisoft/yii2/web/Application.php000064400000012176151700007200023675 0ustar00<?php
/**
 * @link http://www.yiiframework.com/
 * @copyright Copyright (c) 2008 Yii Software LLC
 * @license http://www.yiiframework.com/license/
 */

namespace yii\web;

use Yii;
use yii\base\InvalidRouteException;

/**
 * Application is the base class for all web application classes.
 *
 * @property ErrorHandler $errorHandler The error handler application component. This property is read-only.
 * @property string $homeUrl The homepage URL.
 * @property Request $request The request component. This property is read-only.
 * @property Response $response The response component. This property is read-only.
 * @property Session $session The session component. This property is read-only.
 * @property User $user The user component. This property is read-only.
 *
 * @author Qiang Xue <qiang.xue@gmail.com>
 * @since 2.0
 */
class Application extends \yii\base\Application
{
    /**
     * @var string the default route of this application. Defaults to 'site'.
     */
    public $defaultRoute = 'site';
    /**
     * @var array the configuration specifying a controller action which should handle
     * all user requests. This is mainly used when the application is in maintenance mode
     * and needs to handle all incoming requests via a single action.
     * The configuration is an array whose first element specifies the route of the action.
     * The rest of the array elements (key-value pairs) specify the parameters to be bound
     * to the action. For example,
     *
     * ```php
     * [
     *     'offline/notice',
     *     'param1' => 'value1',
     *     'param2' => 'value2',
     * ]
     * ```
     *
     * Defaults to null, meaning catch-all is not used.
     */
    public $catchAll;
    /**
     * @var Controller the currently active controller instance
     */
    public $controller;


    /**
     * @inheritdoc
     */
    protected function bootstrap()
    {
        $request = $this->getRequest();
        Yii::setAlias('@webroot', dirname($request->getScriptFile()));
        Yii::setAlias('@web', $request->getBaseUrl());

        parent::bootstrap();
    }

    /**
     * Handles the specified request.
     * @param Request $request the request to be handled
     * @return Response the resulting response
     * @throws NotFoundHttpException if the requested route is invalid
     */
    public function handleRequest($request)
    {
        if (empty($this->catchAll)) {
            list ($route, $params) = $request->resolve();
        } else {
            $route = $this->catchAll[0];
            $params = $this->catchAll;
            unset($params[0]);
        }
        try {
            Yii::trace("Route requested: '$route'", __METHOD__);
            $this->requestedRoute = $route;
            $result = $this->runAction($route, $params);
            if ($result instanceof Response) {
                return $result;
            } else {
                $response = $this->getResponse();
                if ($result !== null) {
                    $response->data = $result;
                }

                return $response;
            }
        } catch (InvalidRouteException $e) {
            throw new NotFoundHttpException(Yii::t('yii', 'Page not found.'), $e->getCode(), $e);
        }
    }

    private $_homeUrl;

    /**
     * @return string the homepage URL
     */
    public function getHomeUrl()
    {
        if ($this->_homeUrl === null) {
            if ($this->getUrlManager()->showScriptName) {
                return $this->getRequest()->getScriptUrl();
            } else {
                return $this->getRequest()->getBaseUrl() . '/';
            }
        } else {
            return $this->_homeUrl;
        }
    }

    /**
     * @param string $value the homepage URL
     */
    public function setHomeUrl($value)
    {
        $this->_homeUrl = $value;
    }

    /**
     * Returns the error handler component.
     * @return ErrorHandler the error handler application component.
     */
    public function getErrorHandler()
    {
        return $this->get('errorHandler');
    }

    /**
     * Returns the request component.
     * @return Request the request component.
     */
    public function getRequest()
    {
        return $this->get('request');
    }

    /**
     * Returns the response component.
     * @return Response the response component.
     */
    public function getResponse()
    {
        return $this->get('response');
    }

    /**
     * Returns the session component.
     * @return Session the session component.
     */
    public function getSession()
    {
        return $this->get('session');
    }

    /**
     * Returns the user component.
     * @return User the user component.
     */
    public function getUser()
    {
        return $this->get('user');
    }

    /**
     * @inheritdoc
     */
    public function coreComponents()
    {
        return array_merge(parent::coreComponents(), [
            'request' => ['class' => 'yii\web\Request'],
            'response' => ['class' => 'yii\web\Response'],
            'session' => ['class' => 'yii\web\Session'],
            'user' => ['class' => 'yii\web\User'],
            'errorHandler' => ['class' => 'yii\web\ErrorHandler'],
        ]);
    }
}
var/www/vhosts/oinversion.com/httpdocs/vendor/yiisoft/yii2/base/Application.php000064400000055137151700040270024042 0ustar00<?php
/**
 * @link http://www.yiiframework.com/
 * @copyright Copyright (c) 2008 Yii Software LLC
 * @license http://www.yiiframework.com/license/
 */

namespace yii\base;

use Yii;

/**
 * Application is the base class for all application classes.
 *
 * @property \yii\web\AssetManager $assetManager The asset manager application component. This property is
 * read-only.
 * @property \yii\rbac\ManagerInterface $authManager The auth manager application component. Null is returned
 * if auth manager is not configured. This property is read-only.
 * @property string $basePath The root directory of the application.
 * @property \yii\caching\Cache $cache The cache application component. Null if the component is not enabled.
 * This property is read-only.
 * @property \yii\db\Connection $db The database connection. This property is read-only.
 * @property \yii\web\ErrorHandler|\yii\console\ErrorHandler $errorHandler The error handler application
 * component. This property is read-only.
 * @property \yii\i18n\Formatter $formatter The formatter application component. This property is read-only.
 * @property \yii\i18n\I18N $i18n The internationalization application component. This property is read-only.
 * @property \yii\log\Dispatcher $log The log dispatcher application component. This property is read-only.
 * @property \yii\mail\MailerInterface $mailer The mailer application component. This property is read-only.
 * @property \yii\web\Request|\yii\console\Request $request The request component. This property is read-only.
 * @property \yii\web\Response|\yii\console\Response $response The response component. This property is
 * read-only.
 * @property string $runtimePath The directory that stores runtime files. Defaults to the "runtime"
 * subdirectory under [[basePath]].
 * @property \yii\base\Security $security The security application component. This property is read-only.
 * @property string $timeZone The time zone used by this application.
 * @property string $uniqueId The unique ID of the module. This property is read-only.
 * @property \yii\web\UrlManager $urlManager The URL manager for this application. This property is read-only.
 * @property string $vendorPath The directory that stores vendor files. Defaults to "vendor" directory under
 * [[basePath]].
 * @property View|\yii\web\View $view The view application component that is used to render various view
 * files. This property is read-only.
 *
 * @author Qiang Xue <qiang.xue@gmail.com>
 * @since 2.0
 */
abstract class Application extends Module
{
    /**
     * @event Event an event raised before the application starts to handle a request.
     */
    const EVENT_BEFORE_REQUEST = 'beforeRequest';
    /**
     * @event Event an event raised after the application successfully handles a request (before the response is sent out).
     */
    const EVENT_AFTER_REQUEST = 'afterRequest';
    /**
     * Application state used by [[state]]: application just started.
     */
    const STATE_BEGIN = 0;
    /**
     * Application state used by [[state]]: application is initializing.
     */
    const STATE_INIT = 1;
    /**
     * Application state used by [[state]]: application is triggering [[EVENT_BEFORE_REQUEST]].
     */
    const STATE_BEFORE_REQUEST = 2;
    /**
     * Application state used by [[state]]: application is handling the request.
     */
    const STATE_HANDLING_REQUEST = 3;
    /**
     * Application state used by [[state]]: application is triggering [[EVENT_AFTER_REQUEST]]..
     */
    const STATE_AFTER_REQUEST = 4;
    /**
     * Application state used by [[state]]: application is about to send response.
     */
    const STATE_SENDING_RESPONSE = 5;
    /**
     * Application state used by [[state]]: application has ended.
     */
    const STATE_END = 6;

    /**
     * @var string the namespace that controller classes are located in.
     * This namespace will be used to load controller classes by prepending it to the controller class name.
     * The default namespace is `app\controllers`.
     *
     * Please refer to the [guide about class autoloading](guide:concept-autoloading.md) for more details.
     */
    public $controllerNamespace = 'app\\controllers';
    /**
     * @var string the application name.
     */
    public $name = 'My Application';
    /**
     * @var string the version of this application.
     */
    public $version = '1.0';
    /**
     * @var string the charset currently used for the application.
     */
    public $charset = 'UTF-8';
    /**
     * @var string the language that is meant to be used for end users. It is recommended that you
     * use [IETF language tags](http://en.wikipedia.org/wiki/IETF_language_tag). For example, `en` stands
     * for English, while `en-US` stands for English (United States).
     * @see sourceLanguage
     */
    public $language = 'en-US';
    /**
     * @var string the language that the application is written in. This mainly refers to
     * the language that the messages and view files are written in.
     * @see language
     */
    public $sourceLanguage = 'en-US';
    /**
     * @var Controller the currently active controller instance
     */
    public $controller;
    /**
     * @var string|boolean the layout that should be applied for views in this application. Defaults to 'main'.
     * If this is false, layout will be disabled.
     */
    public $layout = 'main';
    /**
     * @var string the requested route
     */
    public $requestedRoute;
    /**
     * @var Action the requested Action. If null, it means the request cannot be resolved into an action.
     */
    public $requestedAction;
    /**
     * @var array the parameters supplied to the requested action.
     */
    public $requestedParams;
    /**
     * @var array list of installed Yii extensions. Each array element represents a single extension
     * with the following structure:
     *
     * ```php
     * [
     *     'name' => 'extension name',
     *     'version' => 'version number',
     *     'bootstrap' => 'BootstrapClassName',  // optional, may also be a configuration array
     *     'alias' => [
     *         '@alias1' => 'to/path1',
     *         '@alias2' => 'to/path2',
     *     ],
     * ]
     * ```
     *
     * The "bootstrap" class listed above will be instantiated during the application
     * [[bootstrap()|bootstrapping process]]. If the class implements [[BootstrapInterface]],
     * its [[BootstrapInterface::bootstrap()|bootstrap()]] method will be also be called.
     *
     * If not set explicitly in the application config, this property will be populated with the contents of
     * `@vendor/yiisoft/extensions.php`.
     */
    public $extensions;
    /**
     * @var array list of components that should be run during the application [[bootstrap()|bootstrapping process]].
     *
     * Each component may be specified in one of the following formats:
     *
     * - an application component ID as specified via [[components]].
     * - a module ID as specified via [[modules]].
     * - a class name.
     * - a configuration array.
     *
     * During the bootstrapping process, each component will be instantiated. If the component class
     * implements [[BootstrapInterface]], its [[BootstrapInterface::bootstrap()|bootstrap()]] method
     * will be also be called.
     */
    public $bootstrap = [];
    /**
     * @var integer the current application state during a request handling life cycle.
     * This property is managed by the application. Do not modify this property.
     */
    public $state;
    /**
     * @var array list of loaded modules indexed by their class names.
     */
    public $loadedModules = [];


    /**
     * Constructor.
     * @param array $config name-value pairs that will be used to initialize the object properties.
     * Note that the configuration must contain both [[id]] and [[basePath]].
     * @throws InvalidConfigException if either [[id]] or [[basePath]] configuration is missing.
     */
    public function __construct($config = [])
    {
        Yii::$app = $this;
        static::setInstance($this);

        $this->state = self::STATE_BEGIN;

        $this->preInit($config);

        $this->registerErrorHandler($config);

        Component::__construct($config);
    }

    /**
     * Pre-initializes the application.
     * This method is called at the beginning of the application constructor.
     * It initializes several important application properties.
     * If you override this method, please make sure you call the parent implementation.
     * @param array $config the application configuration
     * @throws InvalidConfigException if either [[id]] or [[basePath]] configuration is missing.
     */
    public function preInit(&$config)
    {
        if (!isset($config['id'])) {
            throw new InvalidConfigException('The "id" configuration for the Application is required.');
        }
        if (isset($config['basePath'])) {
            $this->setBasePath($config['basePath']);
            unset($config['basePath']);
        } else {
            throw new InvalidConfigException('The "basePath" configuration for the Application is required.');
        }

        if (isset($config['vendorPath'])) {
            $this->setVendorPath($config['vendorPath']);
            unset($config['vendorPath']);
        } else {
            // set "@vendor"
            $this->getVendorPath();
        }
        if (isset($config['runtimePath'])) {
            $this->setRuntimePath($config['runtimePath']);
            unset($config['runtimePath']);
        } else {
            // set "@runtime"
            $this->getRuntimePath();
        }

        if (isset($config['timeZone'])) {
            $this->setTimeZone($config['timeZone']);
            unset($config['timeZone']);
        } elseif (!ini_get('date.timezone')) {
            $this->setTimeZone('UTC');
        }

        // merge core components with custom components
        foreach ($this->coreComponents() as $id => $component) {
            if (!isset($config['components'][$id])) {
                $config['components'][$id] = $component;
            } elseif (is_array($config['components'][$id]) && !isset($config['components'][$id]['class'])) {
                $config['components'][$id]['class'] = $component['class'];
            }
        }
    }

    /**
     * @inheritdoc
     */
    public function init()
    {
        $this->state = self::STATE_INIT;
        $this->bootstrap();
    }

    /**
     * Initializes extensions and executes bootstrap components.
     * This method is called by [[init()]] after the application has been fully configured.
     * If you override this method, make sure you also call the parent implementation.
     */
    protected function bootstrap()
    {
        if ($this->extensions === null) {
            $file = Yii::getAlias('@vendor/yiisoft/extensions.php');
            $this->extensions = is_file($file) ? include($file) : [];
        }
        foreach ($this->extensions as $extension) {
            if (!empty($extension['alias'])) {
                foreach ($extension['alias'] as $name => $path) {
                    Yii::setAlias($name, $path);
                }
            }
            if (isset($extension['bootstrap'])) {
                $component = Yii::createObject($extension['bootstrap']);
                if ($component instanceof BootstrapInterface) {
                    Yii::trace('Bootstrap with ' . get_class($component) . '::bootstrap()', __METHOD__);
                    $component->bootstrap($this);
                } else {
                    Yii::trace('Bootstrap with ' . get_class($component), __METHOD__);
                }
            }
        }

        foreach ($this->bootstrap as $class) {
            $component = null;
            if (is_string($class)) {
                if ($this->has($class)) {
                    $component = $this->get($class);
                } elseif ($this->hasModule($class)) {
                    $component = $this->getModule($class);
                } elseif (strpos($class, '\\') === false) {
                    throw new InvalidConfigException("Unknown bootstrapping component ID: $class");
                }
            }
            if (!isset($component)) {
                $component = Yii::createObject($class);
            }

            if ($component instanceof BootstrapInterface) {
                Yii::trace('Bootstrap with ' . get_class($component) . '::bootstrap()', __METHOD__);
                $component->bootstrap($this);
            } else {
                Yii::trace('Bootstrap with ' . get_class($component), __METHOD__);
            }
        }
    }

    /**
     * Registers the errorHandler component as a PHP error handler.
     * @param array $config application config
     */
    protected function registerErrorHandler(&$config)
    {
        if (YII_ENABLE_ERROR_HANDLER) {
            if (!isset($config['components']['errorHandler']['class'])) {
                echo "Error: no errorHandler component is configured.\n";
                exit(1);
            }
            $this->set('errorHandler', $config['components']['errorHandler']);
            unset($config['components']['errorHandler']);
            $this->getErrorHandler()->register();
        }
    }

    /**
     * Returns an ID that uniquely identifies this module among all modules within the current application.
     * Since this is an application instance, it will always return an empty string.
     * @return string the unique ID of the module.
     */
    public function getUniqueId()
    {
        return '';
    }

    /**
     * Sets the root directory of the application and the @app alias.
     * This method can only be invoked at the beginning of the constructor.
     * @param string $path the root directory of the application.
     * @property string the root directory of the application.
     * @throws InvalidParamException if the directory does not exist.
     */
    public function setBasePath($path)
    {
        parent::setBasePath($path);
        Yii::setAlias('@app', $this->getBasePath());
    }

    /**
     * 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()
    {
        try {

            $this->state = self::STATE_BEFORE_REQUEST;
            $this->trigger(self::EVENT_BEFORE_REQUEST);

            $this->state = self::STATE_HANDLING_REQUEST;
            $response = $this->handleRequest($this->getRequest());

            $this->state = self::STATE_AFTER_REQUEST;
            $this->trigger(self::EVENT_AFTER_REQUEST);

            $this->state = self::STATE_SENDING_RESPONSE;
            $response->send();

            $this->state = self::STATE_END;

            return $response->exitStatus;

        } catch (ExitException $e) {

            $this->end($e->statusCode, isset($response) ? $response : null);
            return $e->statusCode;

        }
    }

    /**
     * Handles the specified request.
     *
     * This method should return an instance of [[Response]] or its child class
     * which represents the handling result of the request.
     *
     * @param Request $request the request to be handled
     * @return Response the resulting response
     */
    abstract public function handleRequest($request);

    private $_runtimePath;

    /**
     * Returns the directory that stores runtime files.
     * @return string the directory that stores runtime files.
     * Defaults to the "runtime" subdirectory under [[basePath]].
     */
    public function getRuntimePath()
    {
        if ($this->_runtimePath === null) {
            $this->setRuntimePath($this->getBasePath() . DIRECTORY_SEPARATOR . 'runtime');
        }

        return $this->_runtimePath;
    }

    /**
     * Sets the directory that stores runtime files.
     * @param string $path the directory that stores runtime files.
     */
    public function setRuntimePath($path)
    {
        $this->_runtimePath = Yii::getAlias($path);
        Yii::setAlias('@runtime', $this->_runtimePath);
    }

    private $_vendorPath;

    /**
     * Returns the directory that stores vendor files.
     * @return string the directory that stores vendor files.
     * Defaults to "vendor" directory under [[basePath]].
     */
    public function getVendorPath()
    {
        if ($this->_vendorPath === null) {
            $this->setVendorPath($this->getBasePath() . DIRECTORY_SEPARATOR . 'vendor');
        }

        return $this->_vendorPath;
    }

    /**
     * Sets the directory that stores vendor files.
     * @param string $path the directory that stores vendor files.
     */
    public function setVendorPath($path)
    {
        $this->_vendorPath = Yii::getAlias($path);
        Yii::setAlias('@vendor', $this->_vendorPath);
        Yii::setAlias('@bower', $this->_vendorPath . DIRECTORY_SEPARATOR . 'bower');
        Yii::setAlias('@npm', $this->_vendorPath . DIRECTORY_SEPARATOR . 'npm');
    }

    /**
     * Returns the time zone used by this application.
     * This is a simple wrapper of PHP function date_default_timezone_get().
     * If time zone is not configured in php.ini or application config,
     * it will be set to UTC by default.
     * @return string the time zone used by this application.
     * @see http://php.net/manual/en/function.date-default-timezone-get.php
     */
    public function getTimeZone()
    {
        return date_default_timezone_get();
    }

    /**
     * Sets the time zone used by this application.
     * This is a simple wrapper of PHP function date_default_timezone_set().
     * Refer to the [php manual](http://www.php.net/manual/en/timezones.php) for available timezones.
     * @param string $value the time zone used by this application.
     * @see http://php.net/manual/en/function.date-default-timezone-set.php
     */
    public function setTimeZone($value)
    {
        date_default_timezone_set($value);
    }

    /**
     * Returns the database connection component.
     * @return \yii\db\Connection the database connection.
     */
    public function getDb()
    {
        return $this->get('db');
    }

    /**
     * Returns the log dispatcher component.
     * @return \yii\log\Dispatcher the log dispatcher application component.
     */
    public function getLog()
    {
        return $this->get('log');
    }

    /**
     * Returns the error handler component.
     * @return \yii\web\ErrorHandler|\yii\console\ErrorHandler the error handler application component.
     */
    public function getErrorHandler()
    {
        return $this->get('errorHandler');
    }

    /**
     * Returns the cache component.
     * @return \yii\caching\Cache the cache application component. Null if the component is not enabled.
     */
    public function getCache()
    {
        return $this->get('cache', false);
    }

    /**
     * Returns the formatter component.
     * @return \yii\i18n\Formatter the formatter application component.
     */
    public function getFormatter()
    {
        return $this->get('formatter');
    }

    /**
     * Returns the request component.
     * @return \yii\web\Request|\yii\console\Request the request component.
     */
    public function getRequest()
    {
        return $this->get('request');
    }

    /**
     * Returns the response component.
     * @return \yii\web\Response|\yii\console\Response the response component.
     */
    public function getResponse()
    {
        return $this->get('response');
    }

    /**
     * Returns the view object.
     * @return View|\yii\web\View the view application component that is used to render various view files.
     */
    public function getView()
    {
        return $this->get('view');
    }

    /**
     * Returns the URL manager for this application.
     * @return \yii\web\UrlManager the URL manager for this application.
     */
    public function getUrlManager()
    {
        return $this->get('urlManager');
    }

    /**
     * Returns the internationalization (i18n) component
     * @return \yii\i18n\I18N the internationalization application component.
     */
    public function getI18n()
    {
        return $this->get('i18n');
    }

    /**
     * Returns the mailer component.
     * @return \yii\mail\MailerInterface the mailer application component.
     */
    public function getMailer()
    {
        return $this->get('mailer');
    }

    /**
     * Returns the auth manager for this application.
     * @return \yii\rbac\ManagerInterface the auth manager application component.
     * Null is returned if auth manager is not configured.
     */
    public function getAuthManager()
    {
        return $this->get('authManager', false);
    }

    /**
     * Returns the asset manager.
     * @return \yii\web\AssetManager the asset manager application component.
     */
    public function getAssetManager()
    {
        return $this->get('assetManager');
    }

    /**
     * Returns the security component.
     * @return \yii\base\Security the security application component.
     */
    public function getSecurity()
    {
        return $this->get('security');
    }

    /**
     * Returns the configuration of core application components.
     * @see set()
     */
    public function coreComponents()
    {
        return [
            'log' => ['class' => 'yii\log\Dispatcher'],
            'view' => ['class' => 'yii\web\View'],
            'formatter' => ['class' => 'yii\i18n\Formatter'],
            'i18n' => ['class' => 'yii\i18n\I18N'],
            'mailer' => ['class' => 'yii\swiftmailer\Mailer'],
            'urlManager' => ['class' => 'yii\web\UrlManager'],
            'assetManager' => ['class' => 'yii\web\AssetManager'],
            'security' => ['class' => 'yii\base\Security'],
        ];
    }

    /**
     * Terminates the application.
     * This method replaces the `exit()` function by ensuring the application life cycle is completed
     * before terminating the application.
     * @param integer $status the exit status (value 0 means normal exit while other values mean abnormal exit).
     * @param Response $response the response to be sent. If not set, the default application [[response]] component will be used.
     * @throws ExitException if the application is in testing mode
     */
    public function end($status = 0, $response = null)
    {
        if ($this->state === self::STATE_BEFORE_REQUEST || $this->state === self::STATE_HANDLING_REQUEST) {
            $this->state = self::STATE_AFTER_REQUEST;
            $this->trigger(self::EVENT_AFTER_REQUEST);
        }

        if ($this->state !== self::STATE_SENDING_RESPONSE && $this->state !== self::STATE_END) {
            $this->state = self::STATE_END;
            $response = $response ? : $this->getResponse();
            $response->send();
        }

        if (YII_ENV_TEST) {
            throw new ExitException($status);
        } else {
            exit($status);
        }
    }
}
var/www/vhosts/oinversion.com/httpdocs/vendor/symfony/console/Application.php000064400000110656151703311250023734 0ustar00<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\Console;

use Symfony\Component\Console\Exception\ExceptionInterface;
use Symfony\Component\Console\Helper\DebugFormatterHelper;
use Symfony\Component\Console\Helper\ProcessHelper;
use Symfony\Component\Console\Helper\QuestionHelper;
use Symfony\Component\Console\Input\InputInterface;
use Symfony\Component\Console\Input\ArgvInput;
use Symfony\Component\Console\Input\ArrayInput;
use Symfony\Component\Console\Input\InputDefinition;
use Symfony\Component\Console\Input\InputOption;
use Symfony\Component\Console\Input\InputArgument;
use Symfony\Component\Console\Input\InputAwareInterface;
use Symfony\Component\Console\Output\OutputInterface;
use Symfony\Component\Console\Output\ConsoleOutput;
use Symfony\Component\Console\Output\ConsoleOutputInterface;
use Symfony\Component\Console\Command\Command;
use Symfony\Component\Console\Command\HelpCommand;
use Symfony\Component\Console\Command\ListCommand;
use Symfony\Component\Console\Helper\HelperSet;
use Symfony\Component\Console\Helper\FormatterHelper;
use Symfony\Component\Console\Event\ConsoleCommandEvent;
use Symfony\Component\Console\Event\ConsoleExceptionEvent;
use Symfony\Component\Console\Event\ConsoleTerminateEvent;
use Symfony\Component\Console\Exception\CommandNotFoundException;
use Symfony\Component\Console\Exception\LogicException;
use Symfony\Component\EventDispatcher\EventDispatcherInterface;

/**
 * An Application is the container for a collection of commands.
 *
 * It is the main entry point of a Console application.
 *
 * This class is optimized for a standard CLI environment.
 *
 * Usage:
 *
 *     $app = new Application('myapp', '1.0 (stable)');
 *     $app->add(new SimpleCommand());
 *     $app->run();
 *
 * @author Fabien Potencier <fabien@symfony.com>
 */
class Application
{
    private $commands = array();
    private $wantHelps = false;
    private $runningCommand;
    private $name;
    private $version;
    private $catchExceptions = true;
    private $autoExit = true;
    private $definition;
    private $helperSet;
    private $dispatcher;
    private $terminalDimensions;
    private $defaultCommand;

    /**
     * Constructor.
     *
     * @param string $name    The name of the application
     * @param string $version The version of the application
     */
    public function __construct($name = 'UNKNOWN', $version = 'UNKNOWN')
    {
        $this->name = $name;
        $this->version = $version;
        $this->defaultCommand = 'list';
        $this->helperSet = $this->getDefaultHelperSet();
        $this->definition = $this->getDefaultInputDefinition();

        foreach ($this->getDefaultCommands() as $command) {
            $this->add($command);
        }
    }

    public function setDispatcher(EventDispatcherInterface $dispatcher)
    {
        $this->dispatcher = $dispatcher;
    }

    /**
     * Runs the current application.
     *
     * @param InputInterface  $input  An Input instance
     * @param OutputInterface $output An Output instance
     *
     * @return int 0 if everything went fine, or an error code
     *
     * @throws \Exception When doRun returns Exception
     */
    public function run(InputInterface $input = null, OutputInterface $output = null)
    {
        if (null === $input) {
            $input = new ArgvInput();
        }

        if (null === $output) {
            $output = new ConsoleOutput();
        }

        $this->configureIO($input, $output);

        try {
            $exitCode = $this->doRun($input, $output);
        } catch (\Exception $e) {
            if (!$this->catchExceptions) {
                throw $e;
            }

            if ($output instanceof ConsoleOutputInterface) {
                $this->renderException($e, $output->getErrorOutput());
            } else {
                $this->renderException($e, $output);
            }

            $exitCode = $e->getCode();
            if (is_numeric($exitCode)) {
                $exitCode = (int) $exitCode;
                if (0 === $exitCode) {
                    $exitCode = 1;
                }
            } else {
                $exitCode = 1;
            }
        }

        if ($this->autoExit) {
            if ($exitCode > 255) {
                $exitCode = 255;
            }

            exit($exitCode);
        }

        return $exitCode;
    }

    /**
     * Runs the current application.
     *
     * @param InputInterface  $input  An Input instance
     * @param OutputInterface $output An Output instance
     *
     * @return int 0 if everything went fine, or an error code
     */
    public function doRun(InputInterface $input, OutputInterface $output)
    {
        if (true === $input->hasParameterOption(array('--version', '-V'), true)) {
            $output->writeln($this->getLongVersion());

            return 0;
        }

        $name = $this->getCommandName($input);
        if (true === $input->hasParameterOption(array('--help', '-h'), true)) {
            if (!$name) {
                $name = 'help';
                $input = new ArrayInput(array('command' => 'help'));
            } else {
                $this->wantHelps = true;
            }
        }

        if (!$name) {
            $name = $this->defaultCommand;
            $input = new ArrayInput(array('command' => $this->defaultCommand));
        }

        // the command name MUST be the first element of the input
        $command = $this->find($name);

        $this->runningCommand = $command;
        $exitCode = $this->doRunCommand($command, $input, $output);
        $this->runningCommand = null;

        return $exitCode;
    }

    /**
     * Set a helper set to be used with the command.
     *
     * @param HelperSet $helperSet The helper set
     */
    public function setHelperSet(HelperSet $helperSet)
    {
        $this->helperSet = $helperSet;
    }

    /**
     * Get the helper set associated with the command.
     *
     * @return HelperSet The HelperSet instance associated with this command
     */
    public function getHelperSet()
    {
        return $this->helperSet;
    }

    /**
     * Set an input definition to be used with this application.
     *
     * @param InputDefinition $definition The input definition
     */
    public function setDefinition(InputDefinition $definition)
    {
        $this->definition = $definition;
    }

    /**
     * Gets the InputDefinition related to this Application.
     *
     * @return InputDefinition The InputDefinition instance
     */
    public function getDefinition()
    {
        return $this->definition;
    }

    /**
     * Gets the help message.
     *
     * @return string A help message
     */
    public function getHelp()
    {
        return $this->getLongVersion();
    }

    /**
     * Gets whether to catch exceptions or not during commands execution.
     *
     * @return bool Whether to catch exceptions or not during commands execution
     */
    public function areExceptionsCaught()
    {
        return $this->catchExceptions;
    }

    /**
     * Sets whether to catch exceptions or not during commands execution.
     *
     * @param bool $boolean Whether to catch exceptions or not during commands execution
     */
    public function setCatchExceptions($boolean)
    {
        $this->catchExceptions = (bool) $boolean;
    }

    /**
     * Gets whether to automatically exit after a command execution or not.
     *
     * @return bool Whether to automatically exit after a command execution or not
     */
    public function isAutoExitEnabled()
    {
        return $this->autoExit;
    }

    /**
     * Sets whether to automatically exit after a command execution or not.
     *
     * @param bool $boolean Whether to automatically exit after a command execution or not
     */
    public function setAutoExit($boolean)
    {
        $this->autoExit = (bool) $boolean;
    }

    /**
     * Gets the name of the application.
     *
     * @return string The application name
     */
    public function getName()
    {
        return $this->name;
    }

    /**
     * Sets the application name.
     *
     * @param string $name The application name
     */
    public function setName($name)
    {
        $this->name = $name;
    }

    /**
     * Gets the application version.
     *
     * @return string The application version
     */
    public function getVersion()
    {
        return $this->version;
    }

    /**
     * Sets the application version.
     *
     * @param string $version The application version
     */
    public function setVersion($version)
    {
        $this->version = $version;
    }

    /**
     * Returns the long version of the application.
     *
     * @return string The long application version
     */
    public function getLongVersion()
    {
        if ('UNKNOWN' !== $this->getName()) {
            if ('UNKNOWN' !== $this->getVersion()) {
                return sprintf('<info>%s</info> version <comment>%s</comment>', $this->getName(), $this->getVersion());
            }

            return sprintf('<info>%s</info>', $this->getName());
        }

        return '<info>Console Tool</info>';
    }

    /**
     * Registers a new command.
     *
     * @param string $name The command name
     *
     * @return Command The newly created command
     */
    public function register($name)
    {
        return $this->add(new Command($name));
    }

    /**
     * Adds an array of command objects.
     *
     * If a Command is not enabled it will not be added.
     * 
     * @param Command[] $commands An array of commands
     */
    public function addCommands(array $commands)
    {
        foreach ($commands as $command) {
            $this->add($command);
        }
    }

    /**
     * Adds a command object.
     *
     * If a command with the same name already exists, it will be overridden.
     * If the command is not enabled it will not be added.
     *
     * @param Command $command A Command object
     *
     * @return Command|null The registered command if enabled or null
     */
    public function add(Command $command)
    {
        $command->setApplication($this);

        if (!$command->isEnabled()) {
            $command->setApplication(null);

            return;
        }

        if (null === $command->getDefinition()) {
            throw new LogicException(sprintf('Command class "%s" is not correctly initialized. You probably forgot to call the parent constructor.', get_class($command)));
        }

        $this->commands[$command->getName()] = $command;

        foreach ($command->getAliases() as $alias) {
            $this->commands[$alias] = $command;
        }

        return $command;
    }

    /**
     * Returns a registered command by name or alias.
     *
     * @param string $name The command name or alias
     *
     * @return Command A Command object
     *
     * @throws CommandNotFoundException When command name given does not exist
     */
    public function get($name)
    {
        if (!isset($this->commands[$name])) {
            throw new CommandNotFoundException(sprintf('The command "%s" does not exist.', $name));
        }

        $command = $this->commands[$name];

        if ($this->wantHelps) {
            $this->wantHelps = false;

            $helpCommand = $this->get('help');
            $helpCommand->setCommand($command);

            return $helpCommand;
        }

        return $command;
    }

    /**
     * Returns true if the command exists, false otherwise.
     *
     * @param string $name The command name or alias
     *
     * @return bool true if the command exists, false otherwise
     */
    public function has($name)
    {
        return isset($this->commands[$name]);
    }

    /**
     * Returns an array of all unique namespaces used by currently registered commands.
     *
     * It does not return the global namespace which always exists.
     *
     * @return string[] An array of namespaces
     */
    public function getNamespaces()
    {
        $namespaces = array();
        foreach ($this->all() as $command) {
            $namespaces = array_merge($namespaces, $this->extractAllNamespaces($command->getName()));

            foreach ($command->getAliases() as $alias) {
                $namespaces = array_merge($namespaces, $this->extractAllNamespaces($alias));
            }
        }

        return array_values(array_unique(array_filter($namespaces)));
    }

    /**
     * Finds a registered namespace by a name or an abbreviation.
     *
     * @param string $namespace A namespace or abbreviation to search for
     *
     * @return string A registered namespace
     *
     * @throws CommandNotFoundException When namespace is incorrect or ambiguous
     */
    public function findNamespace($namespace)
    {
        $allNamespaces = $this->getNamespaces();
        $expr = preg_replace_callback('{([^:]+|)}', function ($matches) { return preg_quote($matches[1]).'[^:]*'; }, $namespace);
        $namespaces = preg_grep('{^'.$expr.'}', $allNamespaces);

        if (empty($namespaces)) {
            $message = sprintf('There are no commands defined in the "%s" namespace.', $namespace);

            if ($alternatives = $this->findAlternatives($namespace, $allNamespaces)) {
                if (1 == count($alternatives)) {
                    $message .= "\n\nDid you mean this?\n    ";
                } else {
                    $message .= "\n\nDid you mean one of these?\n    ";
                }

                $message .= implode("\n    ", $alternatives);
            }

            throw new CommandNotFoundException($message, $alternatives);
        }

        $exact = in_array($namespace, $namespaces, true);
        if (count($namespaces) > 1 && !$exact) {
            throw new CommandNotFoundException(sprintf('The namespace "%s" is ambiguous (%s).', $namespace, $this->getAbbreviationSuggestions(array_values($namespaces))), array_values($namespaces));
        }

        return $exact ? $namespace : reset($namespaces);
    }

    /**
     * Finds a command by name or alias.
     *
     * Contrary to get, this command tries to find the best
     * match if you give it an abbreviation of a name or alias.
     *
     * @param string $name A command name or a command alias
     *
     * @return Command A Command instance
     *
     * @throws CommandNotFoundException When command name is incorrect or ambiguous
     */
    public function find($name)
    {
        $allCommands = array_keys($this->commands);
        $expr = preg_replace_callback('{([^:]+|)}', function ($matches) { return preg_quote($matches[1]).'[^:]*'; }, $name);
        $commands = preg_grep('{^'.$expr.'}', $allCommands);

        if (empty($commands) || count(preg_grep('{^'.$expr.'$}', $commands)) < 1) {
            if (false !== $pos = strrpos($name, ':')) {
                // check if a namespace exists and contains commands
                $this->findNamespace(substr($name, 0, $pos));
            }

            $message = sprintf('Command "%s" is not defined.', $name);

            if ($alternatives = $this->findAlternatives($name, $allCommands)) {
                if (1 == count($alternatives)) {
                    $message .= "\n\nDid you mean this?\n    ";
                } else {
                    $message .= "\n\nDid you mean one of these?\n    ";
                }
                $message .= implode("\n    ", $alternatives);
            }

            throw new CommandNotFoundException($message, $alternatives);
        }

        // filter out aliases for commands which are already on the list
        if (count($commands) > 1) {
            $commandList = $this->commands;
            $commands = array_filter($commands, function ($nameOrAlias) use ($commandList, $commands) {
                $commandName = $commandList[$nameOrAlias]->getName();

                return $commandName === $nameOrAlias || !in_array($commandName, $commands);
            });
        }

        $exact = in_array($name, $commands, true);
        if (count($commands) > 1 && !$exact) {
            $suggestions = $this->getAbbreviationSuggestions(array_values($commands));

            throw new CommandNotFoundException(sprintf('Command "%s" is ambiguous (%s).', $name, $suggestions), array_values($commands));
        }

        return $this->get($exact ? $name : reset($commands));
    }

    /**
     * Gets the commands (registered in the given namespace if provided).
     *
     * The array keys are the full names and the values the command instances.
     *
     * @param string $namespace A namespace name
     *
     * @return Command[] An array of Command instances
     */
    public function all($namespace = null)
    {
        if (null === $namespace) {
            return $this->commands;
        }

        $commands = array();
        foreach ($this->commands as $name => $command) {
            if ($namespace === $this->extractNamespace($name, substr_count($namespace, ':') + 1)) {
                $commands[$name] = $command;
            }
        }

        return $commands;
    }

    /**
     * Returns an array of possible abbreviations given a set of names.
     *
     * @param array $names An array of names
     *
     * @return array An array of abbreviations
     */
    public static function getAbbreviations($names)
    {
        $abbrevs = array();
        foreach ($names as $name) {
            for ($len = strlen($name); $len > 0; --$len) {
                $abbrev = substr($name, 0, $len);
                $abbrevs[$abbrev][] = $name;
            }
        }

        return $abbrevs;
    }

    /**
     * Renders a caught exception.
     *
     * @param \Exception      $e      An exception instance
     * @param OutputInterface $output An OutputInterface instance
     */
    public function renderException(\Exception $e, OutputInterface $output)
    {
        $output->writeln('', OutputInterface::VERBOSITY_QUIET);

        do {
            $title = sprintf(
                '  [%s%s]  ',
                get_class($e),
                $output->isVerbose() && 0 !== ($code = $e->getCode()) ? ' ('.$code.')' : ''
            );

            $len = $this->stringWidth($title);

            $width = $this->getTerminalWidth() ? $this->getTerminalWidth() - 1 : PHP_INT_MAX;
            // HHVM only accepts 32 bits integer in str_split, even when PHP_INT_MAX is a 64 bit integer: https://github.com/facebook/hhvm/issues/1327
            if (defined('HHVM_VERSION') && $width > 1 << 31) {
                $width = 1 << 31;
            }
            $formatter = $output->getFormatter();
            $lines = array();
            foreach (preg_split('/\r?\n/', $e->getMessage()) as $line) {
                foreach ($this->splitStringByWidth($line, $width - 4) as $line) {
                    // pre-format lines to get the right string length
                    $lineLength = $this->stringWidth(preg_replace('/\[[^m]*m/', '', $formatter->format($line))) + 4;
                    $lines[] = array($line, $lineLength);

                    $len = max($lineLength, $len);
                }
            }

            $messages = array();
            $messages[] = $emptyLine = $formatter->format(sprintf('<error>%s</error>', str_repeat(' ', $len)));
            $messages[] = $formatter->format(sprintf('<error>%s%s</error>', $title, str_repeat(' ', max(0, $len - $this->stringWidth($title)))));
            foreach ($lines as $line) {
                $messages[] = $formatter->format(sprintf('<error>  %s  %s</error>', $line[0], str_repeat(' ', $len - $line[1])));
            }
            $messages[] = $emptyLine;
            $messages[] = '';

            $output->writeln($messages, OutputInterface::OUTPUT_RAW | OutputInterface::VERBOSITY_QUIET);

            if (OutputInterface::VERBOSITY_VERBOSE <= $output->getVerbosity()) {
                $output->writeln('<comment>Exception trace:</comment>', OutputInterface::VERBOSITY_QUIET);

                // exception related properties
                $trace = $e->getTrace();
                array_unshift($trace, array(
                    'function' => '',
                    'file' => $e->getFile() !== null ? $e->getFile() : 'n/a',
                    'line' => $e->getLine() !== null ? $e->getLine() : 'n/a',
                    'args' => array(),
                ));

                for ($i = 0, $count = count($trace); $i < $count; ++$i) {
                    $class = isset($trace[$i]['class']) ? $trace[$i]['class'] : '';
                    $type = isset($trace[$i]['type']) ? $trace[$i]['type'] : '';
                    $function = $trace[$i]['function'];
                    $file = isset($trace[$i]['file']) ? $trace[$i]['file'] : 'n/a';
                    $line = isset($trace[$i]['line']) ? $trace[$i]['line'] : 'n/a';

                    $output->writeln(sprintf(' %s%s%s() at <info>%s:%s</info>', $class, $type, $function, $file, $line), OutputInterface::VERBOSITY_QUIET);
                }

                $output->writeln('', OutputInterface::VERBOSITY_QUIET);
            }
        } while ($e = $e->getPrevious());

        if (null !== $this->runningCommand) {
            $output->writeln(sprintf('<info>%s</info>', sprintf($this->runningCommand->getSynopsis(), $this->getName())), OutputInterface::VERBOSITY_QUIET);
            $output->writeln('', OutputInterface::VERBOSITY_QUIET);
        }
    }

    /**
     * Tries to figure out the terminal width in which this application runs.
     *
     * @return int|null
     */
    protected function getTerminalWidth()
    {
        $dimensions = $this->getTerminalDimensions();

        return $dimensions[0];
    }

    /**
     * Tries to figure out the terminal height in which this application runs.
     *
     * @return int|null
     */
    protected function getTerminalHeight()
    {
        $dimensions = $this->getTerminalDimensions();

        return $dimensions[1];
    }

    /**
     * Tries to figure out the terminal dimensions based on the current environment.
     *
     * @return array Array containing width and height
     */
    public function getTerminalDimensions()
    {
        if ($this->terminalDimensions) {
            return $this->terminalDimensions;
        }

        if ('\\' === DIRECTORY_SEPARATOR) {
            // extract [w, H] from "wxh (WxH)"
            if (preg_match('/^(\d+)x\d+ \(\d+x(\d+)\)$/', trim(getenv('ANSICON')), $matches)) {
                return array((int) $matches[1], (int) $matches[2]);
            }
            // extract [w, h] from "wxh"
            if (preg_match('/^(\d+)x(\d+)$/', $this->getConsoleMode(), $matches)) {
                return array((int) $matches[1], (int) $matches[2]);
            }
        }

        if ($sttyString = $this->getSttyColumns()) {
            // extract [w, h] from "rows h; columns w;"
            if (preg_match('/rows.(\d+);.columns.(\d+);/i', $sttyString, $matches)) {
                return array((int) $matches[2], (int) $matches[1]);
            }
            // extract [w, h] from "; h rows; w columns"
            if (preg_match('/;.(\d+).rows;.(\d+).columns/i', $sttyString, $matches)) {
                return array((int) $matches[2], (int) $matches[1]);
            }
        }

        return array(null, null);
    }

    /**
     * Sets terminal dimensions.
     *
     * Can be useful to force terminal dimensions for functional tests.
     *
     * @param int $width  The width
     * @param int $height The height
     *
     * @return Application The current application
     */
    public function setTerminalDimensions($width, $height)
    {
        $this->terminalDimensions = array($width, $height);

        return $this;
    }

    /**
     * Configures the input and output instances based on the user arguments and options.
     *
     * @param InputInterface  $input  An InputInterface instance
     * @param OutputInterface $output An OutputInterface instance
     */
    protected function configureIO(InputInterface $input, OutputInterface $output)
    {
        if (true === $input->hasParameterOption(array('--ansi'), true)) {
            $output->setDecorated(true);
        } elseif (true === $input->hasParameterOption(array('--no-ansi'), true)) {
            $output->setDecorated(false);
        }

        if (true === $input->hasParameterOption(array('--no-interaction', '-n'), true)) {
            $input->setInteractive(false);
        } elseif (function_exists('posix_isatty') && $this->getHelperSet()->has('question')) {
            $inputStream = $this->getHelperSet()->get('question')->getInputStream();
            if (!@posix_isatty($inputStream) && false === getenv('SHELL_INTERACTIVE')) {
                $input->setInteractive(false);
            }
        }

        if (true === $input->hasParameterOption(array('--quiet', '-q'), true)) {
            $output->setVerbosity(OutputInterface::VERBOSITY_QUIET);
        } else {
            if ($input->hasParameterOption('-vvv', true) || $input->hasParameterOption('--verbose=3', true) || $input->getParameterOption('--verbose', false, true) === 3) {
                $output->setVerbosity(OutputInterface::VERBOSITY_DEBUG);
            } elseif ($input->hasParameterOption('-vv', true) || $input->hasParameterOption('--verbose=2', true) || $input->getParameterOption('--verbose', false, true) === 2) {
                $output->setVerbosity(OutputInterface::VERBOSITY_VERY_VERBOSE);
            } elseif ($input->hasParameterOption('-v', true) || $input->hasParameterOption('--verbose=1', true) || $input->hasParameterOption('--verbose', true) || $input->getParameterOption('--verbose', false, true)) {
                $output->setVerbosity(OutputInterface::VERBOSITY_VERBOSE);
            }
        }
    }

    /**
     * Runs the current command.
     *
     * If an event dispatcher has been attached to the application,
     * events are also dispatched during the life-cycle of the command.
     *
     * @param Command         $command A Command instance
     * @param InputInterface  $input   An Input instance
     * @param OutputInterface $output  An Output instance
     *
     * @return int 0 if everything went fine, or an error code
     *
     * @throws \Exception when the command being run threw an exception
     */
    protected function doRunCommand(Command $command, InputInterface $input, OutputInterface $output)
    {
        foreach ($command->getHelperSet() as $helper) {
            if ($helper instanceof InputAwareInterface) {
                $helper->setInput($input);
            }
        }

        if (null === $this->dispatcher) {
            return $command->run($input, $output);
        }

        // bind before the console.command event, so the listeners have access to input options/arguments
        try {
            $command->mergeApplicationDefinition();
            $input->bind($command->getDefinition());
        } catch (ExceptionInterface $e) {
            // ignore invalid options/arguments for now, to allow the event listeners to customize the InputDefinition
        }

        $event = new ConsoleCommandEvent($command, $input, $output);
        $this->dispatcher->dispatch(ConsoleEvents::COMMAND, $event);

        if ($event->commandShouldRun()) {
            try {
                $exitCode = $command->run($input, $output);
            } catch (\Exception $e) {
                $event = new ConsoleExceptionEvent($command, $input, $output, $e, $e->getCode());
                $this->dispatcher->dispatch(ConsoleEvents::EXCEPTION, $event);

                $e = $event->getException();

                $event = new ConsoleTerminateEvent($command, $input, $output, $e->getCode());
                $this->dispatcher->dispatch(ConsoleEvents::TERMINATE, $event);

                throw $e;
            }
        } else {
            $exitCode = ConsoleCommandEvent::RETURN_CODE_DISABLED;
        }

        $event = new ConsoleTerminateEvent($command, $input, $output, $exitCode);
        $this->dispatcher->dispatch(ConsoleEvents::TERMINATE, $event);

        return $event->getExitCode();
    }

    /**
     * Gets the name of the command based on input.
     *
     * @param InputInterface $input The input interface
     *
     * @return string The command name
     */
    protected function getCommandName(InputInterface $input)
    {
        return $input->getFirstArgument();
    }

    /**
     * Gets the default input definition.
     *
     * @return InputDefinition An InputDefinition instance
     */
    protected function getDefaultInputDefinition()
    {
        return new InputDefinition(array(
            new InputArgument('command', InputArgument::REQUIRED, 'The command to execute'),

            new InputOption('--help', '-h', InputOption::VALUE_NONE, 'Display this help message'),
            new InputOption('--quiet', '-q', InputOption::VALUE_NONE, 'Do not output any message'),
            new InputOption('--verbose', '-v|vv|vvv', InputOption::VALUE_NONE, 'Increase the verbosity of messages: 1 for normal output, 2 for more verbose output and 3 for debug'),
            new InputOption('--version', '-V', InputOption::VALUE_NONE, 'Display this application version'),
            new InputOption('--ansi', '', InputOption::VALUE_NONE, 'Force ANSI output'),
            new InputOption('--no-ansi', '', InputOption::VALUE_NONE, 'Disable ANSI output'),
            new InputOption('--no-interaction', '-n', InputOption::VALUE_NONE, 'Do not ask any interactive question'),
        ));
    }

    /**
     * Gets the default commands that should always be available.
     *
     * @return Command[] An array of default Command instances
     */
    protected function getDefaultCommands()
    {
        return array(new HelpCommand(), new ListCommand());
    }

    /**
     * Gets the default helper set with the helpers that should always be available.
     *
     * @return HelperSet A HelperSet instance
     */
    protected function getDefaultHelperSet()
    {
        return new HelperSet(array(
            new FormatterHelper(),
            new DebugFormatterHelper(),
            new ProcessHelper(),
            new QuestionHelper(),
        ));
    }

    /**
     * Runs and parses stty -a if it's available, suppressing any error output.
     *
     * @return string
     */
    private function getSttyColumns()
    {
        if (!function_exists('proc_open')) {
            return;
        }

        $descriptorspec = array(1 => array('pipe', 'w'), 2 => array('pipe', 'w'));
        $process = proc_open('stty -a | grep columns', $descriptorspec, $pipes, null, null, array('suppress_errors' => true));
        if (is_resource($process)) {
            $info = stream_get_contents($pipes[1]);
            fclose($pipes[1]);
            fclose($pipes[2]);
            proc_close($process);

            return $info;
        }
    }

    /**
     * Runs and parses mode CON if it's available, suppressing any error output.
     *
     * @return string|null <width>x<height> or null if it could not be parsed
     */
    private function getConsoleMode()
    {
        if (!function_exists('proc_open')) {
            return;
        }

        $descriptorspec = array(1 => array('pipe', 'w'), 2 => array('pipe', 'w'));
        $process = proc_open('mode CON', $descriptorspec, $pipes, null, null, array('suppress_errors' => true));
        if (is_resource($process)) {
            $info = stream_get_contents($pipes[1]);
            fclose($pipes[1]);
            fclose($pipes[2]);
            proc_close($process);

            if (preg_match('/--------+\r?\n.+?(\d+)\r?\n.+?(\d+)\r?\n/', $info, $matches)) {
                return $matches[2].'x'.$matches[1];
            }
        }
    }

    /**
     * Returns abbreviated suggestions in string format.
     *
     * @param array $abbrevs Abbreviated suggestions to convert
     *
     * @return string A formatted string of abbreviated suggestions
     */
    private function getAbbreviationSuggestions($abbrevs)
    {
        return sprintf('%s, %s%s', $abbrevs[0], $abbrevs[1], count($abbrevs) > 2 ? sprintf(' and %d more', count($abbrevs) - 2) : '');
    }

    /**
     * Returns the namespace part of the command name.
     *
     * This method is not part of public API and should not be used directly.
     *
     * @param string $name  The full name of the command
     * @param string $limit The maximum number of parts of the namespace
     *
     * @return string The namespace of the command
     */
    public function extractNamespace($name, $limit = null)
    {
        $parts = explode(':', $name);
        array_pop($parts);

        return implode(':', null === $limit ? $parts : array_slice($parts, 0, $limit));
    }

    /**
     * Finds alternative of $name among $collection,
     * if nothing is found in $collection, try in $abbrevs.
     *
     * @param string             $name       The string
     * @param array|\Traversable $collection The collection
     *
     * @return string[] A sorted array of similar string
     */
    private function findAlternatives($name, $collection)
    {
        $threshold = 1e3;
        $alternatives = array();

        $collectionParts = array();
        foreach ($collection as $item) {
            $collectionParts[$item] = explode(':', $item);
        }

        foreach (explode(':', $name) as $i => $subname) {
            foreach ($collectionParts as $collectionName => $parts) {
                $exists = isset($alternatives[$collectionName]);
                if (!isset($parts[$i]) && $exists) {
                    $alternatives[$collectionName] += $threshold;
                    continue;
                } elseif (!isset($parts[$i])) {
                    continue;
                }

                $lev = levenshtein($subname, $parts[$i]);
                if ($lev <= strlen($subname) / 3 || '' !== $subname && false !== strpos($parts[$i], $subname)) {
                    $alternatives[$collectionName] = $exists ? $alternatives[$collectionName] + $lev : $lev;
                } elseif ($exists) {
                    $alternatives[$collectionName] += $threshold;
                }
            }
        }

        foreach ($collection as $item) {
            $lev = levenshtein($name, $item);
            if ($lev <= strlen($name) / 3 || false !== strpos($item, $name)) {
                $alternatives[$item] = isset($alternatives[$item]) ? $alternatives[$item] - $lev : $lev;
            }
        }

        $alternatives = array_filter($alternatives, function ($lev) use ($threshold) { return $lev < 2 * $threshold; });
        asort($alternatives);

        return array_keys($alternatives);
    }

    /**
     * Sets the default Command name.
     *
     * @param string $commandName The Command name
     */
    public function setDefaultCommand($commandName)
    {
        $this->defaultCommand = $commandName;
    }

    private function stringWidth($string)
    {
        if (false === $encoding = mb_detect_encoding($string, null, true)) {
            return strlen($string);
        }

        return mb_strwidth($string, $encoding);
    }

    private function splitStringByWidth($string, $width)
    {
        // str_split is not suitable for multi-byte characters, we should use preg_split to get char array properly.
        // additionally, array_slice() is not enough as some character has doubled width.
        // we need a function to split string not by character count but by string width
        if (false === $encoding = mb_detect_encoding($string, null, true)) {
            return str_split($string, $width);
        }

        $utf8String = mb_convert_encoding($string, 'utf8', $encoding);
        $lines = array();
        $line = '';
        foreach (preg_split('//u', $utf8String) as $char) {
            // test if $char could be appended to current line
            if (mb_strwidth($line.$char, 'utf8') <= $width) {
                $line .= $char;
                continue;
            }
            // if not, push current line to array and make new line
            $lines[] = str_pad($line, $width);
            $line = $char;
        }
        if ('' !== $line) {
            $lines[] = count($lines) ? str_pad($line, $width) : $line;
        }

        mb_convert_variables($encoding, 'utf8', $lines);

        return $lines;
    }

    /**
     * Returns all namespaces of the command name.
     *
     * @param string $name The full name of the command
     *
     * @return string[] The namespaces of the command
     */
    private function extractAllNamespaces($name)
    {
        // -1 as third argument is needed to skip the command short name when exploding
        $parts = explode(':', $name, -1);
        $namespaces = array();

        foreach ($parts as $part) {
            if (count($namespaces)) {
                $namespaces[] = end($namespaces).':'.$part;
            } else {
                $namespaces[] = $part;
            }
        }

        return $namespaces;
    }
}
Anon7 - 2022
AnonSec Team