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<?php
/**
* Copyright 2012-2017 Horde LLC (http://www.horde.org/)
*
* See the enclosed file LICENSE for license information (ASL). If you
* did not receive this file, see http://www.horde.org/licenses/apache.
*
* @author Mike Cochrane <mike@graftonhall.co.nz>
* @author Jan Schneider <jan@horde.org>
* @category Horde
* @license http://www.horde.org/licenses/apache ASL
* @package Ingo
*/
/**
* The Ingo_Script_Sieve_Else class represents a Sieve Else Statement.
*
* @author Mike Cochrane <mike@graftonhall.co.nz>
* @author Jan Schneider <jan@horde.org>
* @category Horde
* @license http://www.horde.org/licenses/apache ASL
* @package Ingo
*/
class Ingo_Script_Sieve_Else implements Ingo_Script_Item
{
/**
* A list of Ingo_Script_Sieve_Action objects that go into the else clause.
*
* @var array
*/
protected $_actions = array();
/**
* Constructor.
*
* @param mixed $actions An Ingo_Script_Sieve_Action object or a list of
* Ingo_Script_Sieve_Action objects.
*/
public function __construct($actions = null)
{
if (is_array($actions)) {
$this->_actions = $actions;
} elseif (!is_null($actions)) {
$this->_actions[] = $actions;
}
}
/**
* Returns a script snippet representing this rule and any sub-rules.
*
* @return string A Sieve script snippet.
*/
public function generate()
{
if (count($this->_actions) == 0) {
return '';
}
$code = "else {\n";
foreach ($this->_actions as $action) {
$code .= ' ' . $action->generate() . "\n";
}
$code .= '}';
return $code;
}
/**
*/
public function setActions($actions)
{
$this->_actions = $actions;
}
/**
*/
public function getActions()
{
return $this->_actions;
}
/**
* Checks if all sub-rules are valid.
*
* @return boolean|string True if all rules are valid, an error message
* otherwise.
*/
public function check()
{
foreach ($this->_actions as $action) {
$res = $action->check();
if ($res !== true) {
return $res;
}
}
return true;
}
/**
* Returns a list of sieve extensions required for this rule and any
* sub-rules.
*
* @return array A Sieve extension list.
*/
public function requires()
{
$requires = array();
foreach ($this->_actions as $action) {
$requires = array_merge($requires, $action->requires());
}
return $requires;
}
}
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