ShellCommand.php
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<?php
/**
* ShellCommand class file.
*
* @author Qiang Xue <qiang.xue@gmail.com>
* @link http://www.yiiframework.com/
* @copyright Copyright © 2008-2011 Yii Software LLC
* @license http://www.yiiframework.com/license/
* @version $Id$
*/
/**
* ShellCommand executes the specified Web application and provides a shell for interaction.
*
* @property string $help The help information for the shell command.
*
* @author Qiang Xue <qiang.xue@gmail.com>
* @version $Id$
* @package system.cli.commands
* @since 1.0
*/
class ShellCommand extends CConsoleCommand
{
/**
* @return string the help information for the shell command
*/
public function getHelp()
{
return <<<EOD
USAGE
yiic shell [entry-script | config-file]
DESCRIPTION
This command allows you to interact with a Web application
on the command line. It also provides tools to automatically
generate new controllers, views and data models.
It is recommended that you execute this command under
the directory that contains the entry script file of
the Web application.
PARAMETERS
* entry-script | config-file: optional, the path to
the entry script file or the configuration file for
the Web application. If not given, it is assumed to be
the 'index.php' file under the current directory.
EOD;
}
/**
* Execute the action.
* @param array $args command line parameters specific for this command
*/
public function run($args)
{
if(!isset($args[0]))
$args[0]='index.php';
$entryScript=isset($args[0]) ? $args[0] : 'index.php';
if(($entryScript=realpath($args[0]))===false || !is_file($entryScript))
$this->usageError("{$args[0]} does not exist or is not an entry script file.");
// fake the web server setting
$cwd=getcwd();
chdir(dirname($entryScript));
$_SERVER['SCRIPT_NAME']='/'.basename($entryScript);
$_SERVER['REQUEST_URI']=$_SERVER['SCRIPT_NAME'];
$_SERVER['SCRIPT_FILENAME']=$entryScript;
$_SERVER['HTTP_HOST']='localhost';
$_SERVER['SERVER_NAME']='localhost';
$_SERVER['SERVER_PORT']=80;
// reset context to run the web application
restore_error_handler();
restore_exception_handler();
Yii::setApplication(null);
Yii::setPathOfAlias('application',null);
ob_start();
$config=require($entryScript);
ob_end_clean();
// oops, the entry script turns out to be a config file
if(is_array($config))
{
chdir($cwd);
$_SERVER['SCRIPT_NAME']='/index.php';
$_SERVER['REQUEST_URI']=$_SERVER['SCRIPT_NAME'];
$_SERVER['SCRIPT_FILENAME']=$cwd.DIRECTORY_SEPARATOR.'index.php';
Yii::createWebApplication($config);
}
restore_error_handler();
restore_exception_handler();
$yiiVersion=Yii::getVersion();
echo <<<EOD
Yii Interactive Tool v1.1 (based on Yii v{$yiiVersion})
Please type 'help' for help. Type 'exit' to quit.
EOD;
$this->runShell();
}
protected function runShell()
{
// disable E_NOTICE so that the shell is more friendly
error_reporting(E_ALL ^ E_NOTICE);
$_runner_=new CConsoleCommandRunner;
$_runner_->addCommands(dirname(__FILE__).'/shell');
$_runner_->addCommands(Yii::getPathOfAlias('application.commands.shell'));
if(($_path_=@getenv('YIIC_SHELL_COMMAND_PATH'))!==false)
$_runner_->addCommands($_path_);
$_commands_=$_runner_->commands;
$log=Yii::app()->log;
while(($_line_=$this->prompt("\n>>"))!==false)
{
$_line_=trim($_line_);
if($_line_==='exit')
return;
try
{
$_args_=preg_split('/[\s,]+/',rtrim($_line_,';'),-1,PREG_SPLIT_NO_EMPTY);
if(isset($_args_[0]) && isset($_commands_[$_args_[0]]))
{
$_command_=$_runner_->createCommand($_args_[0]);
array_shift($_args_);
$_command_->init();
$_command_->run($_args_);
}
else
echo eval($_line_.';');
}
catch(Exception $e)
{
if($e instanceof ShellException)
echo $e->getMessage();
else
echo $e;
}
}
}
}
class ShellException extends CException
{
}