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<?php
/**
* CakePHP(tm) : Rapid Development Framework (https://cakephp.org)
* Copyright (c) Cake Software Foundation, Inc. (https://cakefoundation.org)
*
* Licensed under The MIT License
* For full copyright and license information, please see the LICENSE.txt
* Redistributions of files must retain the above copyright notice.
*
* @copyright Copyright (c) Cake Software Foundation, Inc. (https://cakefoundation.org)
* @link https://cakephp.org CakePHP(tm) Project
* @since 2.0.0
* @license https://opensource.org/licenses/mit-license.php MIT License
*/
namespace Cake\Console;
use Cake\Console\Exception\ConsoleException;
use SimpleXMLElement;
/**
* An object to represent a single argument used in the command line.
* ConsoleOptionParser creates these when you use addArgument()
*
* @see \Cake\Console\ConsoleOptionParser::addArgument()
*/
class ConsoleInputArgument
{
/**
* Name of the argument.
*
* @var string
*/
protected $_name;
/**
* Help string
*
* @var string
*/
protected $_help;
/**
* Is this option required?
*
* @var bool
*/
protected $_required;
/**
* An array of valid choices for this argument.
*
* @var array
*/
protected $_choices;
/**
* Make a new Input Argument
*
* @param string|array $name The long name of the option, or an array with all the properties.
* @param string $help The help text for this option
* @param bool $required Whether this argument is required. Missing required args will trigger exceptions
* @param array $choices Valid choices for this option.
*/
public function __construct($name, $help = '', $required = false, $choices = [])
{
if (is_array($name) && isset($name['name'])) {
foreach ($name as $key => $value) {
$this->{'_' . $key} = $value;
}
} else {
$this->_name = $name;
$this->_help = $help;
$this->_required = $required;
$this->_choices = $choices;
}
}
/**
* Get the value of the name attribute.
*
* @return string Value of this->_name.
*/
public function name()
{
return $this->_name;
}
/**
* Checks if this argument is equal to another argument.
*
* @param \Cake\Console\ConsoleInputArgument $argument ConsoleInputArgument to compare to.
* @return bool
*/
public function isEqualTo(ConsoleInputArgument $argument)
{
return $this->usage() === $argument->usage();
}
/**
* Generate the help for this argument.
*
* @param int $width The width to make the name of the option.
* @return string
*/
public function help($width = 0)
{
$name = $this->_name;
if (strlen($name) < $width) {
$name = str_pad($name, $width, ' ');
}
$optional = '';
if (!$this->isRequired()) {
$optional = ' <comment>(optional)</comment>';
}
if ($this->_choices) {
$optional .= sprintf(' <comment>(choices: %s)</comment>', implode('|', $this->_choices));
}
return sprintf('%s%s%s', $name, $this->_help, $optional);
}
/**
* Get the usage value for this argument
*
* @return string
*/
public function usage()
{
$name = $this->_name;
if ($this->_choices) {
$name = implode('|', $this->_choices);
}
$name = '<' . $name . '>';
if (!$this->isRequired()) {
$name = '[' . $name . ']';
}
return $name;
}
/**
* Check if this argument is a required argument
*
* @return bool
*/
public function isRequired()
{
return (bool)$this->_required;
}
/**
* Check that $value is a valid choice for this argument.
*
* @param string $value The choice to validate.
* @return bool
* @throws \Cake\Console\Exception\ConsoleException
*/
public function validChoice($value)
{
if (empty($this->_choices)) {
return true;
}
if (!in_array($value, $this->_choices)) {
throw new ConsoleException(
sprintf(
'"%s" is not a valid value for %s. Please use one of "%s"',
$value,
$this->_name,
implode(', ', $this->_choices)
)
);
}
return true;
}
/**
* Append this arguments XML representation to the passed in SimpleXml object.
*
* @param \SimpleXMLElement $parent The parent element.
* @return \SimpleXMLElement The parent with this argument appended.
*/
public function xml(SimpleXMLElement $parent)
{
$option = $parent->addChild('argument');
$option->addAttribute('name', $this->_name);
$option->addAttribute('help', $this->_help);
$option->addAttribute('required', (int)$this->isRequired());
$choices = $option->addChild('choices');
foreach ($this->_choices as $valid) {
$choices->addChild('choice', $valid);
}
return $parent;
}
}