$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()) {
$optional = __(' (optional)');
}
if (!empty($this->_choices)) {
$optional .= sprintf(__(' (choices: %s)'), 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 InvalidArgumentException(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;
}
}