/
console_input_argument.php
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/
console_input_argument.php
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<?php
/**
* ConsoleArgumentOption file
*
* PHP 5
*
* CakePHP(tm) : Rapid Development Framework (http://cakephp.org)
* Copyright 2005-2010, Cake Software Foundation, Inc. (http://cakefoundation.org)
*
* Licensed under The MIT License
* Redistributions of files must retain the above copyright notice.
*
* @copyright Copyright 2005-2010, Cake Software Foundation, Inc. (http://cakefoundation.org)
* @link http://cakephp.org CakePHP(tm) Project
* @package cake
* @subpackage cake.cake.console
* @since CakePHP(tm) v 2.0
* @license MIT License (http://www.opensource.org/licenses/mit-license.php)
*/
/**
* An object to represent a single argument used in the command line.
* ConsoleOptionParser creates these when you use addArgument()
*
* @see ConsoleOptionParser::addArgument()
* @package cake.console
*/
class ConsoleInputArgument {
protected $_name, $_help, $_required, $_choices;
/**
* Make a new Input Argument
*
* @param mixed $name The long name of the option, or an array with all the properites.
* @param string $help The help text for this option
* @param boolean $required Whether this argument is required. Missing required args will trigger exceptions
* @param arraty $choices Valid choices for this option.
* @return void
*/
public function __construct($name, $help = '', $required = false, $choices = array()) {
if (is_array($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;
}
/**
* Generate the help for this 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()) {
$optional = __(' <comment>(optional)</comment>');
}
if (!empty($this->_choices)) {
$optional .= __(' <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 = $this->_name;
if (!empty($this->_choices)) {
$name = implode('|', $this->_choices);
}
$name = '<' . $name . '>';
if (!$this->isRequired()) {
$name = '[' . $name . ']';
}
return $name;
}
/**
* Check if this argument is a required argument
*
* @return boolean
*/
public function isRequired() {
return (bool) $this->_required;
}
/**
* Check that $value is a valid choice for this argument.
*
* @return boolean
*/
public function validChoice($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 argument to the passed in SimpleXml object.
*
* @param SimpleXmlElement 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', $this->isRequired());
$choices = $option->addChild('choices');
foreach ($this->_choices as $valid) {
$choices->addChild('choice', $valid);
}
return $parent;
}
}