107 lines
2.6 KiB
PHP
107 lines
2.6 KiB
PHP
<?php
|
|
namespace sammo\Event\Condition;
|
|
|
|
class Logic extends \sammo\Event\Condition{
|
|
private $mode = 'and';
|
|
|
|
/** @var \sammo\Event\Condition[] */
|
|
private $conditions = [];
|
|
const AVAILABLE_LOGIC_NAME = [
|
|
'not'=>false,
|
|
'and'=>true,
|
|
'or'=>true,
|
|
'xor'=>true
|
|
];
|
|
|
|
public function __construct(string $mode, ...$conditions){
|
|
$mode = strtolower($mode);
|
|
if(!array_key_exists($mode, self::AVAILABLE_LOGIC_NAME)){
|
|
throw new \InvalidArgumentException('첫번째 인자는 not, and, or, xor 중 하나여야 합니다.');
|
|
}
|
|
|
|
if(!self::AVAILABLE_LOGIC_NAME[$mode] && count($conditions)>1){
|
|
throw new \InvalidArgumentException('조건을 하나만 받을 수 있습니다.');
|
|
}
|
|
|
|
$this->mode = $mode;
|
|
$this->conditions = $conditions;
|
|
}
|
|
|
|
public function eval($env=null){
|
|
switch($this->mode){
|
|
case 'not':
|
|
return $this->logicNot($env);
|
|
case 'and':
|
|
return $this->logicAnd($env);
|
|
case 'or':
|
|
return $this->logicOr($env);
|
|
case 'xor':
|
|
return $this->logicXor($env);
|
|
}
|
|
|
|
throw new \InvalidArgumentException('올바르지 않은 mode.');
|
|
}
|
|
|
|
private function logicNot($env){
|
|
$result = self::_eval($this->conditions[0], $env);
|
|
$result['value'] = !$result['value'];
|
|
$result['chain'][] = 'not';
|
|
return $result;
|
|
}
|
|
|
|
private function logicAnd($env){
|
|
$value = true;
|
|
$chain = [];
|
|
|
|
foreach($this->conditions as $cond){
|
|
$sub = self::_eval($cond, $env);
|
|
$chain[] = $sub['chain'];
|
|
if(!$sub['value']){
|
|
$value = false;
|
|
break;
|
|
}
|
|
}
|
|
|
|
return [
|
|
'value'=>$value,
|
|
'chain'=>[$chain, 'and']
|
|
];
|
|
}
|
|
|
|
private function logicOr($env){
|
|
$value = false;
|
|
$chain = [];
|
|
|
|
foreach($this->conditions as $cond){
|
|
$sub = self::_eval($cond, $env);
|
|
$chain[] = $sub['chain'];
|
|
if($sub['value']){
|
|
$value = true;
|
|
break;
|
|
}
|
|
}
|
|
|
|
return [
|
|
'value'=>$value,
|
|
'chain'=>[$chain, 'or']
|
|
];
|
|
}
|
|
|
|
private function logicXor($env){
|
|
$value = false;
|
|
$chain = [];
|
|
|
|
foreach($this->conditions as $cond){
|
|
$sub = self::_eval($cond, $env);
|
|
$chain[] = $sub['chain'];
|
|
$value ^= $sub['value'];
|
|
}
|
|
|
|
return [
|
|
'value'=>$value,
|
|
'chain'=>[$chain, 'xor']
|
|
];
|
|
}
|
|
|
|
|
|
} |