Matthias Andreas Benkard | 7b2a3a1 | 2021-08-16 10:57:25 +0200 | [diff] [blame^] | 1 | <?php |
| 2 | |
| 3 | namespace Tightenco\Collect\Support\Traits; |
| 4 | |
| 5 | use BadMethodCallException; |
| 6 | use Closure; |
| 7 | use ReflectionClass; |
| 8 | use ReflectionMethod; |
| 9 | |
| 10 | trait Macroable |
| 11 | { |
| 12 | /** |
| 13 | * The registered string macros. |
| 14 | * |
| 15 | * @var array |
| 16 | */ |
| 17 | protected static $macros = []; |
| 18 | |
| 19 | /** |
| 20 | * Register a custom macro. |
| 21 | * |
| 22 | * @param string $name |
| 23 | * @param object|callable $macro |
| 24 | * @return void |
| 25 | */ |
| 26 | public static function macro($name, $macro) |
| 27 | { |
| 28 | static::$macros[$name] = $macro; |
| 29 | } |
| 30 | |
| 31 | /** |
| 32 | * Mix another object into the class. |
| 33 | * |
| 34 | * @param object $mixin |
| 35 | * @param bool $replace |
| 36 | * @return void |
| 37 | * |
| 38 | * @throws \ReflectionException |
| 39 | */ |
| 40 | public static function mixin($mixin, $replace = true) |
| 41 | { |
| 42 | $methods = (new ReflectionClass($mixin))->getMethods( |
| 43 | ReflectionMethod::IS_PUBLIC | ReflectionMethod::IS_PROTECTED |
| 44 | ); |
| 45 | |
| 46 | foreach ($methods as $method) { |
| 47 | if ($replace || ! static::hasMacro($method->name)) { |
| 48 | $method->setAccessible(true); |
| 49 | static::macro($method->name, $method->invoke($mixin)); |
| 50 | } |
| 51 | } |
| 52 | } |
| 53 | |
| 54 | /** |
| 55 | * Checks if macro is registered. |
| 56 | * |
| 57 | * @param string $name |
| 58 | * @return bool |
| 59 | */ |
| 60 | public static function hasMacro($name) |
| 61 | { |
| 62 | return isset(static::$macros[$name]); |
| 63 | } |
| 64 | |
| 65 | /** |
| 66 | * Dynamically handle calls to the class. |
| 67 | * |
| 68 | * @param string $method |
| 69 | * @param array $parameters |
| 70 | * @return mixed |
| 71 | * |
| 72 | * @throws \BadMethodCallException |
| 73 | */ |
| 74 | public static function __callStatic($method, $parameters) |
| 75 | { |
| 76 | if (! static::hasMacro($method)) { |
| 77 | throw new BadMethodCallException(sprintf( |
| 78 | 'Method %s::%s does not exist.', static::class, $method |
| 79 | )); |
| 80 | } |
| 81 | |
| 82 | $macro = static::$macros[$method]; |
| 83 | |
| 84 | if ($macro instanceof Closure) { |
| 85 | $macro = $macro->bindTo(null, static::class); |
| 86 | } |
| 87 | |
| 88 | return $macro(...$parameters); |
| 89 | } |
| 90 | |
| 91 | /** |
| 92 | * Dynamically handle calls to the class. |
| 93 | * |
| 94 | * @param string $method |
| 95 | * @param array $parameters |
| 96 | * @return mixed |
| 97 | * |
| 98 | * @throws \BadMethodCallException |
| 99 | */ |
| 100 | public function __call($method, $parameters) |
| 101 | { |
| 102 | if (! static::hasMacro($method)) { |
| 103 | throw new BadMethodCallException(sprintf( |
| 104 | 'Method %s::%s does not exist.', static::class, $method |
| 105 | )); |
| 106 | } |
| 107 | |
| 108 | $macro = static::$macros[$method]; |
| 109 | |
| 110 | if ($macro instanceof Closure) { |
| 111 | $macro = $macro->bindTo($this, static::class); |
| 112 | } |
| 113 | |
| 114 | return $macro(...$parameters); |
| 115 | } |
| 116 | } |