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<?php
namespace Webmozart\Expression\Selector;
use Webmozart\Expression\Expression;
use Webmozart\Expression\Logic\Conjunction;
use Webmozart\Expression\Logic\Disjunction;
use Webmozart\Expression\Util\StringUtil;
final class Method extends Selector
{
private $methodName;
private $arguments;
public function __construct($methodName, array $arguments, Expression $expr)
{
parent::__construct($expr);
$this->methodName = $methodName;
$this->arguments = $arguments;
}
public function getMethodName()
{
return $this->methodName;
}
public function getArguments()
{
return $this->arguments;
}
public function evaluate($value)
{
if (!is_object($value)) {
return false;
}
if (!method_exists($value, $this->methodName)) {
return false;
}
return $this->expr->evaluate(call_user_func_array(array($value, $this->methodName), $this->arguments));
}
public function equivalentTo(Expression $other)
{
if (!parent::equivalentTo($other)) {
return false;
}
return $this->methodName === $other->methodName && $this->arguments === $other->arguments;
}
public function toString()
{
$exprString = $this->expr->toString();
$argsString = implode(', ', StringUtil::formatValues($this->arguments));
if ($this->expr instanceof Conjunction || $this->expr instanceof Disjunction) {
return $this->methodName.'('.$argsString.'){'.$exprString.'}';
}
if (isset($exprString[0]) && ctype_alpha($exprString[0])) {
return $this->methodName.'('.$argsString.').'.$exprString;
}
return $this->methodName.'('.$argsString.')'.$exprString;
}
}