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<?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\Input;
use Symfony\Component\Console\Exception\InvalidArgumentException;
use Symfony\Component\Console\Exception\RuntimeException;
/**
* Input is the base class for all concrete Input classes.
*
* Three concrete classes are provided by default:
*
* * `ArgvInput`: The input comes from the CLI arguments (argv)
* * `StringInput`: The input is provided as a string
* * `ArrayInput`: The input is provided as an array
*
* @author Fabien Potencier <fabien@symfony.com>
*/
abstract class Input implements InputInterface, StreamableInputInterface
{
protected $definition;
protected $stream;
protected $options = [];
protected $arguments = [];
protected $interactive = true;
public function __construct(?InputDefinition $definition = null)
{
if (null === $definition) {
$this->definition = new InputDefinition();
} else {
$this->bind($definition);
$this->validate();
}
}
/**
* {@inheritdoc}
*/
public function bind(InputDefinition $definition)
{
$this->arguments = [];
$this->options = [];
$this->definition = $definition;
$this->parse();
}
/**
* Processes command line arguments.
*/
abstract protected function parse();
/**
* {@inheritdoc}
*/
public function validate()
{
$definition = $this->definition;
$givenArguments = $this->arguments;
$missingArguments = array_filter(array_keys($definition->getArguments()), function ($argument) use ($definition, $givenArguments) {
return !\array_key_exists($argument, $givenArguments) && $definition->getArgument($argument)->isRequired();
});
if (\count($missingArguments) > 0) {
throw new RuntimeException(sprintf('Not enough arguments (missing: "%s").', implode(', ', $missingArguments)));
}
}
/**
* {@inheritdoc}
*/
public function isInteractive()
{
return $this->interactive;
}
/**
* {@inheritdoc}
*/
public function setInteractive(bool $interactive)
{
$this->interactive = $interactive;
}
/**
* {@inheritdoc}
*/
public function getArguments()
{
return array_merge($this->definition->getArgumentDefaults(), $this->arguments);
}
/**
* {@inheritdoc}
*/
public function getArgument(string $name)
{
if (!$this->definition->hasArgument($name)) {
throw new InvalidArgumentException(sprintf('The "%s" argument does not exist.', $name));
}
return $this->arguments[$name] ?? $this->definition->getArgument($name)->getDefault();
}
/**
* {@inheritdoc}
*/
public function setArgument(string $name, $value)
{
if (!$this->definition->hasArgument($name)) {
throw new InvalidArgumentException(sprintf('The "%s" argument does not exist.', $name));
}
$this->arguments[$name] = $value;
}
/**
* {@inheritdoc}
*/
public function hasArgument(string $name)
{
return $this->definition->hasArgument($name);
}
/**
* {@inheritdoc}
*/
public function getOptions()
{
return array_merge($this->definition->getOptionDefaults(), $this->options);
}
/**
* {@inheritdoc}
*/
public function getOption(string $name)
{
if ($this->definition->hasNegation($name)) {
if (null === $value = $this->getOption($this->definition->negationToName($name))) {
return $value;
}
return !$value;
}
if (!$this->definition->hasOption($name)) {
throw new InvalidArgumentException(sprintf('The "%s" option does not exist.', $name));
}
return \array_key_exists($name, $this->options) ? $this->options[$name] : $this->definition->getOption($name)->getDefault();
}
/**
* {@inheritdoc}
*/
public function setOption(string $name, $value)
{
if ($this->definition->hasNegation($name)) {
$this->options[$this->definition->negationToName($name)] = !$value;
return;
} elseif (!$this->definition->hasOption($name)) {
throw new InvalidArgumentException(sprintf('The "%s" option does not exist.', $name));
}
$this->options[$name] = $value;
}
/**
* {@inheritdoc}
*/
public function hasOption(string $name)
{
return $this->definition->hasOption($name) || $this->definition->hasNegation($name);
}
/**
* Escapes a token through escapeshellarg if it contains unsafe chars.
*
* @return string
*/
public function escapeToken(string $token)
{
return preg_match('{^[\w-]+$}', $token) ? $token : escapeshellarg($token);
}
/**
* {@inheritdoc}
*/
public function setStream($stream)
{
$this->stream = $stream;
}
/**
* {@inheritdoc}
*/
public function getStream()
{
return $this->stream;
}
}