513 lines
14 KiB
PHP
513 lines
14 KiB
PHP
<?php
|
|
|
|
namespace Symfony\Component\Console\Command;
|
|
|
|
use Symfony\Component\Console\Input\InputDefinition;
|
|
use Symfony\Component\Console\Input\InputOption;
|
|
use Symfony\Component\Console\Input\InputArgument;
|
|
use Symfony\Component\Console\Input\InputInterface;
|
|
use Symfony\Component\Console\Output\OutputInterface;
|
|
use Symfony\Component\Console\Application;
|
|
|
|
/*
|
|
* This file is part of the Symfony framework.
|
|
*
|
|
* (c) Fabien Potencier <fabien.potencier@symfony-project.com>
|
|
*
|
|
* This source file is subject to the MIT license that is bundled
|
|
* with this source code in the file LICENSE.
|
|
*/
|
|
|
|
/**
|
|
* Base class for all commands.
|
|
*
|
|
* @author Fabien Potencier <fabien.potencier@symfony-project.com>
|
|
*/
|
|
class Command
|
|
{
|
|
protected $name;
|
|
protected $namespace;
|
|
protected $aliases;
|
|
protected $definition;
|
|
protected $help;
|
|
protected $application;
|
|
protected $description;
|
|
protected $ignoreValidationErrors;
|
|
protected $applicationDefinitionMerged;
|
|
protected $code;
|
|
|
|
/**
|
|
* Constructor.
|
|
*
|
|
* @param string $name The name of the command
|
|
*
|
|
* @throws \LogicException When the command name is empty
|
|
*/
|
|
public function __construct($name = null)
|
|
{
|
|
$this->definition = new InputDefinition();
|
|
$this->ignoreValidationErrors = false;
|
|
$this->applicationDefinitionMerged = false;
|
|
$this->aliases = array();
|
|
|
|
if (null !== $name) {
|
|
$this->setName($name);
|
|
}
|
|
|
|
$this->configure();
|
|
|
|
if (!$this->name) {
|
|
throw new \LogicException('The command name cannot be empty.');
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Sets the application instance for this command.
|
|
*
|
|
* @param Application $application An Application instance
|
|
*/
|
|
public function setApplication(Application $application = null)
|
|
{
|
|
$this->application = $application;
|
|
}
|
|
|
|
/**
|
|
* Configures the current command.
|
|
*/
|
|
protected function configure()
|
|
{
|
|
}
|
|
|
|
/**
|
|
* Executes the current command.
|
|
*
|
|
* @param InputInterface $input An InputInterface instance
|
|
* @param OutputInterface $output An OutputInterface instance
|
|
*
|
|
* @return integer 0 if everything went fine, or an error code
|
|
*
|
|
* @throws \LogicException When this abstract class is not implemented
|
|
*/
|
|
protected function execute(InputInterface $input, OutputInterface $output)
|
|
{
|
|
throw new \LogicException('You must override the execute() method in the concrete command class.');
|
|
}
|
|
|
|
/**
|
|
* Interacts with the user.
|
|
*
|
|
* @param InputInterface $input An InputInterface instance
|
|
* @param OutputInterface $output An OutputInterface instance
|
|
*/
|
|
protected function interact(InputInterface $input, OutputInterface $output)
|
|
{
|
|
}
|
|
|
|
/**
|
|
* Initializes the command just after the input has been validated.
|
|
*
|
|
* This is mainly useful when a lot of commands extends one main command
|
|
* where some things need to be initialized based on the input arguments and options.
|
|
*
|
|
* @param InputInterface $input An InputInterface instance
|
|
* @param OutputInterface $output An OutputInterface instance
|
|
*/
|
|
protected function initialize(InputInterface $input, OutputInterface $output)
|
|
{
|
|
}
|
|
|
|
/**
|
|
* Runs the command.
|
|
*
|
|
* @param InputInterface $input An InputInterface instance
|
|
* @param OutputInterface $output An OutputInterface instance
|
|
*/
|
|
public function run(InputInterface $input, OutputInterface $output)
|
|
{
|
|
// add the application arguments and options
|
|
$this->mergeApplicationDefinition();
|
|
|
|
// bind the input against the command specific arguments/options
|
|
try {
|
|
$input->bind($this->definition);
|
|
} catch (\Exception $e) {
|
|
if (!$this->ignoreValidationErrors) {
|
|
throw $e;
|
|
}
|
|
}
|
|
|
|
$this->initialize($input, $output);
|
|
|
|
if ($input->isInteractive()) {
|
|
$this->interact($input, $output);
|
|
}
|
|
|
|
$input->validate();
|
|
|
|
if ($this->code) {
|
|
return call_user_func($this->code, $input, $output);
|
|
} else {
|
|
return $this->execute($input, $output);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Sets the code to execute when running this command.
|
|
*
|
|
* @param \Closure $code A \Closure
|
|
*
|
|
* @return Command The current instance
|
|
*/
|
|
public function setCode(\Closure $code)
|
|
{
|
|
$this->code = $code;
|
|
|
|
return $this;
|
|
}
|
|
|
|
/**
|
|
* Merges the application definition with the command definition.
|
|
*/
|
|
protected function mergeApplicationDefinition()
|
|
{
|
|
if (null === $this->application || true === $this->applicationDefinitionMerged) {
|
|
return;
|
|
}
|
|
|
|
$this->definition->setArguments(array_merge(
|
|
$this->application->getDefinition()->getArguments(),
|
|
$this->definition->getArguments()
|
|
));
|
|
|
|
$this->definition->addOptions($this->application->getDefinition()->getOptions());
|
|
|
|
$this->applicationDefinitionMerged = true;
|
|
}
|
|
|
|
/**
|
|
* Sets an array of argument and option instances.
|
|
*
|
|
* @param array|Definition $definition An array of argument and option instances or a definition instance
|
|
*
|
|
* @return Command The current instance
|
|
*/
|
|
public function setDefinition($definition)
|
|
{
|
|
if ($definition instanceof InputDefinition) {
|
|
$this->definition = $definition;
|
|
} else {
|
|
$this->definition->setDefinition($definition);
|
|
}
|
|
|
|
$this->applicationDefinitionMerged = false;
|
|
|
|
return $this;
|
|
}
|
|
|
|
/**
|
|
* Gets the InputDefinition attached to this Command.
|
|
*
|
|
* @return InputDefinition An InputDefinition instance
|
|
*/
|
|
public function getDefinition()
|
|
{
|
|
return $this->definition;
|
|
}
|
|
|
|
/**
|
|
* Adds an argument.
|
|
*
|
|
* @param string $name The argument name
|
|
* @param integer $mode The argument mode: InputArgument::REQUIRED or InputArgument::OPTIONAL
|
|
* @param string $description A description text
|
|
* @param mixed $default The default value (for InputArgument::OPTIONAL mode only)
|
|
*
|
|
* @return Command The current instance
|
|
*/
|
|
public function addArgument($name, $mode = null, $description = '', $default = null)
|
|
{
|
|
$this->definition->addArgument(new InputArgument($name, $mode, $description, $default));
|
|
|
|
return $this;
|
|
}
|
|
|
|
/**
|
|
* Adds an option.
|
|
*
|
|
* @param string $name The option name
|
|
* @param string $shortcut The shortcut (can be null)
|
|
* @param integer $mode The option mode: One of the InputOption::VALUE_* constants
|
|
* @param string $description A description text
|
|
* @param mixed $default The default value (must be null for InputOption::VALUE_REQUIRED or self::VALUE_NONE)
|
|
*
|
|
* @return Command The current instance
|
|
*/
|
|
public function addOption($name, $shortcut = null, $mode = null, $description = '', $default = null)
|
|
{
|
|
$this->definition->addOption(new InputOption($name, $shortcut, $mode, $description, $default));
|
|
|
|
return $this;
|
|
}
|
|
|
|
/**
|
|
* Sets the name of the command.
|
|
*
|
|
* This method can set both the namespace and the name if
|
|
* you separate them by a colon (:)
|
|
*
|
|
* $command->setName('foo:bar');
|
|
*
|
|
* @param string $name The command name
|
|
*
|
|
* @return Command The current instance
|
|
*
|
|
* @throws \InvalidArgumentException When command name given is empty
|
|
*/
|
|
public function setName($name)
|
|
{
|
|
if (false !== $pos = strrpos($name, ':')) {
|
|
$namespace = substr($name, 0, $pos);
|
|
$name = substr($name, $pos + 1);
|
|
} else {
|
|
$namespace = $this->namespace;
|
|
}
|
|
|
|
if (!$name) {
|
|
throw new \InvalidArgumentException('A command name cannot be empty.');
|
|
}
|
|
|
|
$this->namespace = $namespace;
|
|
$this->name = $name;
|
|
|
|
return $this;
|
|
}
|
|
|
|
/**
|
|
* Returns the command namespace.
|
|
*
|
|
* @return string The command namespace
|
|
*/
|
|
public function getNamespace()
|
|
{
|
|
return $this->namespace;
|
|
}
|
|
|
|
/**
|
|
* Returns the command name
|
|
*
|
|
* @return string The command name
|
|
*/
|
|
public function getName()
|
|
{
|
|
return $this->name;
|
|
}
|
|
|
|
/**
|
|
* Returns the fully qualified command name.
|
|
*
|
|
* @return string The fully qualified command name
|
|
*/
|
|
public function getFullName()
|
|
{
|
|
return $this->getNamespace() ? $this->getNamespace().':'.$this->getName() : $this->getName();
|
|
}
|
|
|
|
/**
|
|
* Sets the description for the command.
|
|
*
|
|
* @param string $description The description for the command
|
|
*
|
|
* @return Command The current instance
|
|
*/
|
|
public function setDescription($description)
|
|
{
|
|
$this->description = $description;
|
|
|
|
return $this;
|
|
}
|
|
|
|
/**
|
|
* Returns the description for the command.
|
|
*
|
|
* @return string The description for the command
|
|
*/
|
|
public function getDescription()
|
|
{
|
|
return $this->description;
|
|
}
|
|
|
|
/**
|
|
* Sets the help for the command.
|
|
*
|
|
* @param string $help The help for the command
|
|
*
|
|
* @return Command The current instance
|
|
*/
|
|
public function setHelp($help)
|
|
{
|
|
$this->help = $help;
|
|
|
|
return $this;
|
|
}
|
|
|
|
/**
|
|
* Returns the help for the command.
|
|
*
|
|
* @return string The help for the command
|
|
*/
|
|
public function getHelp()
|
|
{
|
|
return $this->help;
|
|
}
|
|
|
|
/**
|
|
* Returns the processed help for the command replacing the %command.name% and
|
|
* %command.full_name% patterns with the real values dynamically.
|
|
*
|
|
* @return string The processed help for the command
|
|
*/
|
|
public function getProcessedHelp()
|
|
{
|
|
$name = $this->namespace.':'.$this->name;
|
|
|
|
$placeholders = array(
|
|
'%command.name%',
|
|
'%command.full_name%'
|
|
);
|
|
$replacements = array(
|
|
$name,
|
|
$_SERVER['PHP_SELF'].' '.$name
|
|
);
|
|
|
|
return str_replace($placeholders, $replacements, $this->getHelp());
|
|
}
|
|
|
|
/**
|
|
* Sets the aliases for the command.
|
|
*
|
|
* @param array $aliases An array of aliases for the command
|
|
*
|
|
* @return Command The current instance
|
|
*/
|
|
public function setAliases($aliases)
|
|
{
|
|
$this->aliases = $aliases;
|
|
|
|
return $this;
|
|
}
|
|
|
|
/**
|
|
* Returns the aliases for the command.
|
|
*
|
|
* @return array An array of aliases for the command
|
|
*/
|
|
public function getAliases()
|
|
{
|
|
return $this->aliases;
|
|
}
|
|
|
|
/**
|
|
* Returns the synopsis for the command.
|
|
*
|
|
* @return string The synopsis
|
|
*/
|
|
public function getSynopsis()
|
|
{
|
|
return sprintf('%s %s', $this->getFullName(), $this->definition->getSynopsis());
|
|
}
|
|
|
|
/**
|
|
* Gets a helper instance by name.
|
|
*
|
|
* @param string $name The helper name
|
|
*
|
|
* @return mixed The helper value
|
|
*
|
|
* @throws \InvalidArgumentException if the helper is not defined
|
|
*/
|
|
protected function getHelper($name)
|
|
{
|
|
return $this->application->getHelperSet()->get($name);
|
|
}
|
|
|
|
/**
|
|
* Gets a helper instance by name.
|
|
*
|
|
* @param string $name The helper name
|
|
*
|
|
* @return mixed The helper value
|
|
*
|
|
* @throws \InvalidArgumentException if the helper is not defined
|
|
*/
|
|
public function __get($name)
|
|
{
|
|
return $this->application->getHelperSet()->get($name);
|
|
}
|
|
|
|
/**
|
|
* Returns a text representation of the command.
|
|
*
|
|
* @return string A string representing the command
|
|
*/
|
|
public function asText()
|
|
{
|
|
$messages = array(
|
|
'<comment>Usage:</comment>',
|
|
' '.$this->getSynopsis(),
|
|
'',
|
|
);
|
|
|
|
if ($this->getAliases()) {
|
|
$messages[] = '<comment>Aliases:</comment> <info>'.implode(', ', $this->getAliases()).'</info>';
|
|
}
|
|
|
|
$messages[] = $this->definition->asText();
|
|
|
|
if ($help = $this->getProcessedHelp()) {
|
|
$messages[] = '<comment>Help:</comment>';
|
|
$messages[] = ' '.implode("\n ", explode("\n", $help))."\n";
|
|
}
|
|
|
|
return implode("\n", $messages);
|
|
}
|
|
|
|
/**
|
|
* Returns an XML representation of the command.
|
|
*
|
|
* @param Boolean $asDom Whether to return a DOM or an XML string
|
|
*
|
|
* @return string|DOMDocument An XML string representing the command
|
|
*/
|
|
public function asXml($asDom = false)
|
|
{
|
|
$dom = new \DOMDocument('1.0', 'UTF-8');
|
|
$dom->formatOutput = true;
|
|
$dom->appendChild($commandXML = $dom->createElement('command'));
|
|
$commandXML->setAttribute('id', $this->getFullName());
|
|
$commandXML->setAttribute('namespace', $this->getNamespace() ? $this->getNamespace() : '_global');
|
|
$commandXML->setAttribute('name', $this->getName());
|
|
|
|
$commandXML->appendChild($usageXML = $dom->createElement('usage'));
|
|
$usageXML->appendChild($dom->createTextNode(sprintf($this->getSynopsis(), '')));
|
|
|
|
$commandXML->appendChild($descriptionXML = $dom->createElement('description'));
|
|
$descriptionXML->appendChild($dom->createTextNode(implode("\n ", explode("\n", $this->getDescription()))));
|
|
|
|
$commandXML->appendChild($helpXML = $dom->createElement('help'));
|
|
$help = $this->help;
|
|
$helpXML->appendChild($dom->createTextNode(implode("\n ", explode("\n", $help))));
|
|
|
|
$commandXML->appendChild($aliasesXML = $dom->createElement('aliases'));
|
|
foreach ($this->getAliases() as $alias) {
|
|
$aliasesXML->appendChild($aliasXML = $dom->createElement('alias'));
|
|
$aliasXML->appendChild($dom->createTextNode($alias));
|
|
}
|
|
|
|
$definition = $this->definition->asXml(true);
|
|
$commandXML->appendChild($dom->importNode($definition->getElementsByTagName('arguments')->item(0), true));
|
|
$commandXML->appendChild($dom->importNode($definition->getElementsByTagName('options')->item(0), true));
|
|
|
|
return $asDom ? $dom : $dom->saveXml();
|
|
}
|
|
}
|