Permalink
Switch branches/tags
Nothing to show
Find file Copy path
c3278fd Sep 17, 2017
1 contributor

Users who have contributed to this file

76 lines (60 sloc) 1.85 KB
<?php
namespace Spatie\Macroable;
use Closure;
use ReflectionClass;
use ReflectionMethod;
use BadMethodCallException;
trait Macroable
{
protected static $macros = [];
/**
* Register a custom macro.
*
* @param string $name
* @param object|callable $macro
*/
public static function macro(string $name, $macro)
{
static::$macros[$name] = $macro;
}
/**
* Mix another object into the class.
*
* @param object $mixin
*/
public static function mixin($mixin)
{
$methods = (new ReflectionClass($mixin))->getMethods(
ReflectionMethod::IS_PUBLIC | ReflectionMethod::IS_PROTECTED
);
foreach ($methods as $method) {
$method->setAccessible(true);
static::macro($method->name, $method->invoke($mixin));
}
}
public static function hasMacro(string $name): bool
{
return isset(static::$macros[$name]);
}
public static function __callStatic($method, $parameters)
{
if (! static::hasMacro($method)) {
throw new BadMethodCallException("Method {$method} does not exist.");
}
if (static::$macros[$method] instanceof Closure) {
return call_user_func_array(Closure::bind(static::$macros[$method], null, static::class), $parameters);
}
return call_user_func_array(static::$macros[$method], $parameters);
}
public function __call($method, $parameters)
{
if (! static::hasMacro($method)) {
throw new BadMethodCallException("Method {$method} does not exist.");
}
$macro = static::$macros[$method];
if ($macro instanceof Closure) {
return call_user_func_array($macro->bindTo($this, static::class), $parameters);
}
return call_user_func_array($macro, $parameters);
}
}