1 <?php
 2 
 3 namespace Docolight\Support\Traits;
 4 
 5 use Closure;
 6 use BadMethodCallException;
 7 
 8 trait Macroable
 9 {
10     /**
11      * The registered string macros.
12      *
13      * @var array
14      */
15     protected static $macros = [];
16 
17     /**
18      * Register a custom macro.
19      *
20      * @param string   $name
21      * @param callable $macro
22      */
23     public static function macro($name, callable $macro)
24     {
25         static::$macros[$name] = $macro;
26     }
27 
28     /**
29      * Checks if macro is registered.
30      *
31      * @param string $name
32      *
33      * @return bool
34      */
35     public static function hasMacro($name)
36     {
37         return isset(static::$macros[$name]);
38     }
39 
40     /**
41      * Dynamically handle calls to the class.
42      *
43      * @param string $method
44      * @param array  $parameters
45      *
46      * @return mixed
47      *
48      * @throws \BadMethodCallException
49      */
50     public static function __callStatic($method, $parameters)
51     {
52         if (static::hasMacro($method)) {
53             if (static::$macros[$method] instanceof Closure) {
54                 return call_user_func_array(Closure::bind(static::$macros[$method], null, get_called_class()), $parameters);
55             } else {
56                 return call_user_func_array(static::$macros[$method], $parameters);
57             }
58         }
59 
60         throw new BadMethodCallException("Method {$method} does not exist.");
61     }
62 
63     /**
64      * Dynamically handle calls to the class.
65      *
66      * @param string $method
67      * @param array  $parameters
68      *
69      * @return mixed
70      *
71      * @throws \BadMethodCallException
72      */
73     public function __call($method, $parameters)
74     {
75         if (static::hasMacro($method)) {
76             if (static::$macros[$method] instanceof Closure) {
77                 return call_user_func_array(static::$macros[$method]->bindTo($this, get_class($this)), $parameters);
78             } else {
79                 return call_user_func_array(static::$macros[$method], $parameters);
80             }
81         }
82 
83         throw new BadMethodCallException("Method {$method} does not exist.");
84     }
85 }
86