option ezcConsoleOption, contains the parameter that this rule refers to.
* - values array(string), contains a list of values that are accepted.
*
* @see ezcConsoleOption
*
* @package ConsoleTools
* @version 1.1.1
*/
class ezcConsoleOptionRule
{
/**
* Property array containing this class' properties.
*
* @var array
*/
protected $properties = array(
'option' => null,
'values' => array(),
);
/**
* Creates a new parameter rule.
*
* Creates a new parameter rule. Per default the $values parameter
* is an empty array, which determines that the parameter may accept any
* value. To indicate that a parameter may only have certain values,
* place them inside tha $values array. For example to indicate a parameter
* may have the values 'a', 'b' and 'c' use:
*
* $rule = new ezcConsoleOptionRule( $option, array( 'a', 'b', 'c' ) );
*
* If you want to allow only 1 specific value for a parameter, you do not
* need to wrap this into an array, when creating the rule. Simply use
*
* $rule = new ezcConsoleOptionRule( $option, 'a' );
*
* to create a rule, that allows the desired parameter only to accept the
* value 'a'.
*
* @param ezcConsoleOption $option The parameter to refer to.
* @param mixed $values The values $option may have assigned.
*/
public function __construct( ezcConsoleOption $option, array $values = array() )
{
$this->__set( 'option', $option );
$this->__set( 'values', $values );
}
/**
* Property read access overloading.
* Gain read access to properties.
*
* @throws ezcBasePropertyNotFoundException
* If the property tried to access does not exist.
*
* @param string $propertyName Name of the property to access.
* @return mixed Value of the property.
*/
public function __get( $propertyName )
{
switch ( $propertyName )
{
case 'option':
return $this->properties['option'];
case 'values':
return $this->properties['values'];
}
throw new ezcBasePropertyNotFoundException( $propertyName );
}
/**
* Property read access overloading.
* Gain read access to properties.
*
* @throws ezcBasePropertyNotFoundException
* If the property tried to access does not exist.
* @throws ezcBaseValueException
* If the value for a property is not in the correct range.
*
* @param string $propertyName Name of the property to access.
* @return void
*/
public function __set( $propertyName, $val )
{
switch ( $propertyName )
{
case 'option':
if ( !( $val instanceof ezcConsoleOption ) )
{
throw new ezcBaseValueException( $propertyName, $val, 'ezcConsoleOption' );
}
$this->properties['option'] = $val;
return;
case 'values':
if ( !is_array( $val ) )
{
throw new ezcBaseValueException( $propertyName, $val, 'array' );
}
$this->properties['values'] = $val;
return;
}
throw new ezcBasePropertyNotFoundException( $propertyName );
}
/**
* Property isset access.
*
* @param string $propertyName Name of the property.
* @return bool True is the property is set, otherwise false.
*/
public function __isset( $propertyName )
{
switch ( $propertyName )
{
case 'option':
case 'values':
return true;
}
return false;
}
}
?>