cakephp2-php8/cake/console/libs/console_input_argument.php
mark_story 44c080d5ad Making all core classes throw CakeException subclasses, this allows developers to catch framework exceptions with one catch.
Adding package specific exceptions.
Replacing generic exceptions in the codebase with CakeException + package exceptions.
2010-12-11 19:26:10 -05:00

144 lines
3.7 KiB
PHP

<?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;
}
}