<?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 option used in the command line.
* ConsoleOptionParser creates these when you use addOption()
*
* @see \Cake\Console\ConsoleOptionParser::addOption()
*/
class ConsoleInputOption
{
/**
* Name of the option
*
* @var string
*/
protected $_name;
/**
* Short (1 character) alias for the option.
*
* @var string
*/
protected $_short;
/**
* Help text for the option.
*
* @var string
*/
protected $_help;
/**
* Is the option a boolean option. Boolean options do not consume a parameter.
*
* @var bool
*/
protected $_boolean;
/**
* Default value for the option
*
* @var string|bool
*/
protected $_default;
/**
* Can the option accept multiple value definition.
*
* @var bool
*/
protected $_multiple;
/**
* An array of choices for the option.
*
* @var string[]
*/
protected $_choices;
/**
* Make a new Input Option
*
* @param string|array $name The long name of the option, or an array with all the properties.
* @param string $short The short alias for this option
* @param string $help The help text for this option
* @param bool $boolean Whether this option is a boolean option. Boolean options don't consume extra tokens
* @param string|bool $default The default value for this option.
* @param string[] $choices Valid choices for this option.
* @param bool $multiple Whether this option can accept multiple value definition.
* @throws \Cake\Console\Exception\ConsoleException
*/
public function __construct(
$name,
$short = '',
$help = '',
$boolean = false,
$default = '',
$choices = [],
$multiple = false
) {
if (is_array($name) && isset($name['name'])) {
foreach ($name as $key => $value) {
$this->{'_' . $key} = $value;
}
} else {
$this->_name = $name;
$this->_short = $short;
$this->_help = $help;
$this->_boolean = $boolean;
$this->_default = $default;
$this->_choices = $choices;
$this->_multiple = $multiple;
}
if (strlen($this->_short) > 1) {
throw new ConsoleException(
sprintf('Short option "%s" is invalid, short options must be one letter.', $this->_short)
);
}
}
/**
* Get the value of the name attribute.
*
* @return string Value of this->_name.
*/
public function name()
{
return $this->_name;
}
/**
* Get the value of the short attribute.
*
* @return string Value of this->_short.
*/
public function short()
{
return $this->_short;
}
/**
* Generate the help for this this option.
*
* @param int $width The width to make the name of the option.
* @return string
*/
public function help($width = 0)
{
$default = $short = '';
if ($this->_default && $this->_default !== true) {
$default = sprintf(' <comment>(default: %s)</comment>', $this->_default);
}
if ($this->_choices) {
$default .= sprintf(' <comment>(choices: %s)</comment>', implode('|', $this->_choices));
}
if (strlen($this->_short) > 0) {
$short = ', -' . $this->_short;
}
$name = sprintf('--%s%s', $this->_name, $short);
if (strlen($name) < $width) {
$name = str_pad($name, $width, ' ');
}
return sprintf('%s%s%s', $name, $this->_help, $default);
}
/**
* Get the usage value for this option
*
* @return string
*/
public function usage()
{
$name = (strlen($this->_short) > 0) ? ('-' . $this->_short) : ('--' . $this->_name);
$default = '';
if (strlen($this->_default) > 0 && $this->_default !== true) {
$default = ' ' . $this->_default;
}
if ($this->_choices) {
$default = ' ' . implode('|', $this->_choices);
}
return sprintf('[%s%s]', $name, $default);
}
/**
* Get the default value for this option
*
* @return string|bool
*/
public function defaultValue()
{
return $this->_default;
}
/**
* Check if this option is a boolean option
*
* @return bool
*/
public function isBoolean()
{
return (bool)$this->_boolean;
}
/**
* Check if this option accepts multiple values.
*
* @return bool
*/
public function acceptsMultiple()
{
return (bool)$this->_multiple;
}
/**
* Check that a value is a valid choice for this option.
*
* @param string|bool $value The choice to validate.
* @return true
* @throws \Cake\Console\Exception\ConsoleException
*/
public function validChoice($value)
{
if (empty($this->_choices)) {
return true;
}
if (!in_array($value, $this->_choices, true)) {
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 the option's xml into the parent.
*
* @param \SimpleXMLElement $parent The parent element.
* @return \SimpleXMLElement The parent with this option appended.
*/
public function xml(SimpleXMLElement $parent)
{
$option = $parent->addChild('option');
$option->addAttribute('name', '--' . $this->_name);
$short = '';
if (strlen($this->_short) > 0) {
$short = '-' . $this->_short;
}
$option->addAttribute('short', $short);
$option->addAttribute('help', $this->_help);
$option->addAttribute('boolean', (int)$this->_boolean);
$option->addChild('default', $this->_default);
$choices = $option->addChild('choices');
foreach ($this->_choices as $valid) {
$choices->addChild('choice', $valid);
}
return $parent;
}
}