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limesurvey_ynh/sources/framework/console/CConsoleApplication.php

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PHP

<?php
/**
* CConsoleApplication class file.
*
* @author Qiang Xue <qiang.xue@gmail.com>
* @link http://www.yiiframework.com/
* @copyright 2008-2013 Yii Software LLC
* @license http://www.yiiframework.com/license/
*/
/**
* CConsoleApplication represents a console application.
*
* CConsoleApplication extends {@link CApplication} by providing functionalities
* specific to console requests. In particular, it deals with console requests
* through a command-based approach:
* <ul>
* <li>A console application consists of one or several possible user commands;</li>
* <li>Each user command is implemented as a class extending {@link CConsoleCommand};</li>
* <li>User specifies which command to run on the command line;</li>
* <li>The command processes the user request with the specified parameters.</li>
* </ul>
*
* The command classes reside in the directory {@link getCommandPath commandPath}.
* The name of the class follows the pattern: &lt;command-name&gt;Command, and its
* file name is the same as the class name. For example, the 'ShellCommand' class defines
* a 'shell' command and the class file name is 'ShellCommand.php'.
*
* To run the console application, enter the following on the command line:
* <pre>
* php path/to/entry_script.php <command name> [param 1] [param 2] ...
* </pre>
*
* You may use the following to see help instructions about a command:
* <pre>
* php path/to/entry_script.php help <command name>
* </pre>
*
* @property string $commandPath The directory that contains the command classes. Defaults to 'protected/commands'.
* @property CConsoleCommandRunner $commandRunner The command runner.
* @property CConsoleCommand $command The currently active command.
*
* @author Qiang Xue <qiang.xue@gmail.com>
* @package system.console
* @since 1.0
*/
class CConsoleApplication extends CApplication
{
/**
* @var array mapping from command name to command configurations.
* Each command configuration can be either a string or an array.
* If the former, the string should be the file path of the command class.
* If the latter, the array must contain a 'class' element which specifies
* the command's class name or {@link YiiBase::getPathOfAlias class path alias}.
* The rest name-value pairs in the array are used to initialize
* the corresponding command properties. For example,
* <pre>
* array(
* 'email'=>array(
* 'class'=>'path.to.Mailer',
* 'interval'=>3600,
* ),
* 'log'=>'path/to/LoggerCommand.php',
* )
* </pre>
*/
public $commandMap=array();
private $_commandPath;
private $_runner;
/**
* Initializes the application by creating the command runner.
*/
protected function init()
{
parent::init();
if(!isset($_SERVER['argv'])) // || strncasecmp(php_sapi_name(),'cli',3))
die('This script must be run from the command line.');
$this->_runner=$this->createCommandRunner();
$this->_runner->commands=$this->commandMap;
$this->_runner->addCommands($this->getCommandPath());
}
/**
* Processes the user request.
* This method uses a console command runner to handle the particular user command.
* Since version 1.1.11 this method will exit application with an exit code if one is returned by the user command.
*/
public function processRequest()
{
$exitCode=$this->_runner->run($_SERVER['argv']);
if(is_int($exitCode))
$this->end($exitCode);
}
/**
* Creates the command runner instance.
* @return CConsoleCommandRunner the command runner
*/
protected function createCommandRunner()
{
return new CConsoleCommandRunner;
}
/**
* Displays the captured PHP error.
* This method displays the error in console mode when there is
* no active error handler.
* @param integer $code error code
* @param string $message error message
* @param string $file error file
* @param string $line error line
*/
public function displayError($code,$message,$file,$line)
{
echo "PHP Error[$code]: $message\n";
echo " in file $file at line $line\n";
$trace=debug_backtrace();
// skip the first 4 stacks as they do not tell the error position
if(count($trace)>4)
$trace=array_slice($trace,4);
foreach($trace as $i=>$t)
{
if(!isset($t['file']))
$t['file']='unknown';
if(!isset($t['line']))
$t['line']=0;
if(!isset($t['function']))
$t['function']='unknown';
echo "#$i {$t['file']}({$t['line']}): ";
if(isset($t['object']) && is_object($t['object']))
echo get_class($t['object']).'->';
echo "{$t['function']}()\n";
}
}
/**
* Displays the uncaught PHP exception.
* This method displays the exception in console mode when there is
* no active error handler.
* @param Exception $exception the uncaught exception
*/
public function displayException($exception)
{
echo $exception;
}
/**
* @return string the directory that contains the command classes. Defaults to 'protected/commands'.
*/
public function getCommandPath()
{
$applicationCommandPath = $this->getBasePath().DIRECTORY_SEPARATOR.'commands';
if($this->_commandPath===null && file_exists($applicationCommandPath))
$this->setCommandPath($applicationCommandPath);
return $this->_commandPath;
}
/**
* @param string $value the directory that contains the command classes.
* @throws CException if the directory is invalid
*/
public function setCommandPath($value)
{
if(($this->_commandPath=realpath($value))===false || !is_dir($this->_commandPath))
throw new CException(Yii::t('yii','The command path "{path}" is not a valid directory.',
array('{path}'=>$value)));
}
/**
* Returns the command runner.
* @return CConsoleCommandRunner the command runner.
*/
public function getCommandRunner()
{
return $this->_runner;
}
/**
* Returns the currently running command.
* This is shortcut method for {@link CConsoleCommandRunner::getCommand()}.
* @return CConsoleCommand|null the currently active command.
* @since 1.1.14
*/
public function getCommand()
{
return $this->getCommandRunner()->getCommand();
}
/**
* This is shortcut method for {@link CConsoleCommandRunner::setCommand()}.
* @param CConsoleCommand $value the currently active command.
* @since 1.1.14
*/
public function setCommand($value)
{
$this->getCommandRunner()->setCommand($value);
}
}