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144 lines
3.9 KiB
144 lines
3.9 KiB
13 years ago
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<?php
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/**
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* CConsoleCommandRunner class file.
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*
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* @author Qiang Xue <qiang.xue@gmail.com>
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* @link http://www.yiiframework.com/
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* @copyright Copyright © 2008-2011 Yii Software LLC
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* @license http://www.yiiframework.com/license/
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*/
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namespace yii\console;
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/**
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* CConsoleCommandRunner manages commands and executes the requested command.
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*
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* @property string $scriptName The entry script name.
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*
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* @author Qiang Xue <qiang.xue@gmail.com>
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* @version $Id: CConsoleCommandRunner.php 3426 2011-10-25 00:01:09Z alexander.makarow $
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* @package system.console
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* @since 2.0
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*/
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class CommandRunner extends \yii\base\Component
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{
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/**
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* @var array list of all available commands (command name=>command configuration).
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* Each command configuration can be either a string or an array.
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* If the former, the string should be the class name or
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* {@link YiiBase::getPathOfAlias class path alias} of the command.
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* If the latter, the array must contain a 'class' element which specifies
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* the command's class name or {@link YiiBase::getPathOfAlias class path alias}.
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* The rest name-value pairs in the array are used to initialize
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* the corresponding command properties. For example,
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* <pre>
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* array(
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* 'email'=>array(
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* 'class'=>'path.to.Mailer',
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* 'interval'=>3600,
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* ),
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* 'log'=>'path.to.LoggerCommand',
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* )
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* </pre>
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*/
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public $commands=array();
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private $_scriptName;
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/**
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* Executes the requested command.
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* @param array $args list of user supplied parameters (including the entry script name and the command name).
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*/
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public function run($args)
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{
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$this->_scriptName=$args[0];
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array_shift($args);
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if(isset($args[0]))
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{
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$name=$args[0];
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array_shift($args);
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}
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else
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$name='help';
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if(($command=$this->createCommand($name))===null)
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$command=$this->createCommand('help');
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$command->init();
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$command->run($args);
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}
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/**
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* @return string the entry script name
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*/
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public function getScriptName()
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{
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return $this->_scriptName;
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}
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/**
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* Searches for commands under the specified directory.
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* @param string $path the directory containing the command class files.
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* @return array list of commands (command name=>command class file)
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*/
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public function findCommands($path)
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{
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if(($dir=@opendir($path))===false)
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return array();
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$commands=array();
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while(($name=readdir($dir))!==false)
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{
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$file=$path.DIRECTORY_SEPARATOR.$name;
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if(!strcasecmp(substr($name,-11),'Command.php') && is_file($file))
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$commands[strtolower(substr($name,0,-11))]=$file;
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}
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closedir($dir);
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return $commands;
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}
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/**
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* Adds commands from the specified command path.
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* If a command already exists, the new one will be ignored.
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* @param string $path the alias of the directory containing the command class files.
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*/
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public function addCommands($path)
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{
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if(($commands=$this->findCommands($path))!==array())
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{
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foreach($commands as $name=>$file)
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{
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if(!isset($this->commands[$name]))
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$this->commands[$name]=$file;
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}
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}
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}
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/**
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* @param string $name command name (case-insensitive)
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* @return \yii\console\Command the command object. Null if the name is invalid.
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*/
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public function createCommand($name)
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{
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$name=strtolower($name);
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if(isset($this->commands[$name]))
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{
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if(is_string($this->commands[$name])) // class file path or alias
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{
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if(strpos($this->commands[$name],'/')!==false || strpos($this->commands[$name],'\\')!==false)
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{
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$className=substr(basename($this->commands[$name]),0,-4);
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if(!class_exists($className,false))
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require_once($this->commands[$name]);
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}
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else // an alias
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$className=\Yii::import($this->commands[$name]);
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return new $className($name,$this);
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}
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else // an array configuration
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return \Yii::create($this->commands[$name],$name,$this);
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}
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else if($name==='help')
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return new HelpCommand('help',$this);
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else
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return null;
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}
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}
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