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<?php
/**
* File containing the ezcBaseOptions class.
*
* @package Base
* @version 1.8
* @copyright Copyright (C) 2005-2009 eZ Systems AS. All rights reserved.
* @license http://ez.no/licenses/new_bsd New BSD License
*/
/**
* Base options class for all eZ components.
*
* @package Base
* @version 1.8
*/
abstract class ezcBaseOptions implements ArrayAccess
{
/**
* Container to hold the properties
*
* @var array(string=>mixed)
*/
protected $properties;
/**
* Construct a new options object.
* Options are constructed from an option array by default. The constructor
* automatically passes the given options to the __set() method to set them
* in the class.
*
* @throws ezcBasePropertyNotFoundException
* If trying to access a non existent property.
* @throws ezcBaseValueException
* If the value for a property is out of range.
* @param array(string=>mixed) $options The initial options to set.
*/
public function __construct( array $options = array() )
{
foreach ( $options as $option => $value )
{
$this->__set( $option, $value );
}
}
/**
* Merge an array into the actual options object.
* This method merges an array of new options into the actual options object.
*
* @throws ezcBasePropertyNotFoundException
* If trying to access a non existent property.
* @throws ezcBaseValueException
* If the value for a property is out of range.
* @param array(string=>mixed) $newOptions The new options.
*/
public function merge( array $newOptions )
{
foreach ( $newOptions as $key => $value )
{
$this->__set( $key, $value );
}
}
/**
* Property get access.
* Simply returns a given option.
*
* @throws ezcBasePropertyNotFoundException
* If a the value for the property options is not an instance of
* @param string $propertyName The name of the option to get.
* @return mixed The option value.
* @ignore
*
* @throws ezcBasePropertyNotFoundException
* if the given property does not exist.
* @throws ezcBasePropertyPermissionException
* if the property to be set is a write-only property.
*/
public function __get( $propertyName )
{
if ( $this->__isset( $propertyName ) === true )
{
return $this->properties[$propertyName];
}
throw new ezcBasePropertyNotFoundException( $propertyName );
}
/**
* Sets an option.
* This method is called when an option is set.
*
* @param string $propertyName The name of the option to set.
* @param mixed $propertyValue The option value.
* @ignore
*
* @throws ezcBasePropertyNotFoundException
* if the given property does not exist.
* @throws ezcBaseValueException
* if the value to be assigned to a property is invalid.
* @throws ezcBasePropertyPermissionException
* if the property to be set is a read-only property.
*/
abstract public function __set( $propertyName, $propertyValue );
/**
* Returns if a option exists.
*
* @param string $propertyName Option name to check for.
* @return bool Whether the option exists.
* @ignore
*/
public function __isset( $propertyName )
{
return array_key_exists( $propertyName, $this->properties );
}
/**
* Returns if an option exists.
* Allows isset() using ArrayAccess.
*
* @param string $propertyName The name of the option to get.
* @return bool Whether the option exists.
*/
public function offsetExists( $propertyName )
{
return $this->__isset( $propertyName );
}
/**
* Returns an option value.
* Get an option value by ArrayAccess.
*
* @throws ezcBasePropertyNotFoundException
* If $propertyName is not a key in the $properties array.
* @param string $propertyName The name of the option to get.
* @return mixed The option value.
*/
public function offsetGet( $propertyName )
{
return $this->__get( $propertyName );
}
/**
* Set an option.
* Sets an option using ArrayAccess.
*
* @throws ezcBasePropertyNotFoundException
* If $propertyName is not a key in the $properties array.
* @throws ezcBaseValueException
* If the value for a property is out of range.
* @param string $propertyName The name of the option to set.
* @param mixed $propertyValue The value for the option.
*/
public function offsetSet( $propertyName, $propertyValue )
{
$this->__set( $propertyName, $propertyValue );
}
/**
* Unset an option.
* Unsets an option using ArrayAccess.
*
* @throws ezcBasePropertyNotFoundException
* If $propertyName is not a key in the $properties array.
* @throws ezcBaseValueException
* If a the value for a property is out of range.
* @param string $propertyName The name of the option to unset.
*/
public function offsetUnset( $propertyName )
{
$this->__set( $propertyName, null );
}
}
?>