Duplicate code is one of the most pungent code smells. A rule that is often used is to re-structure code once it is duplicated in three or more places.
Common duplication problems, and corresponding solutions are:
| 1 | <?php |
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| 41 | class Entity implements EntityInterface |
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| 42 | { |
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| 43 | use MeshAttributes; |
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| 44 | |||
| 45 | /** |
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| 46 | * Array of used components |
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| 47 | * |
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| 48 | * @var array |
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| 49 | */ |
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| 50 | protected $components = array(); |
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| 51 | |||
| 52 | /** |
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| 53 | * Array of used animations |
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| 54 | * |
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| 55 | * @var array |
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| 56 | */ |
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| 57 | protected $animations = array(); |
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| 58 | |||
| 59 | /** |
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| 60 | * Dom element attributes |
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| 61 | * |
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| 62 | * @var unknown |
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| 63 | */ |
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| 64 | protected $attrs = array(); |
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| 65 | |||
| 66 | /** |
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| 67 | * Children Factory |
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| 68 | * |
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| 69 | * @var EntityChildrenFactory |
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| 70 | */ |
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| 71 | protected $childrenFactory; |
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| 72 | |||
| 73 | /** |
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| 74 | * Indent used when rendering formated outout |
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| 75 | * |
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| 76 | * @var unknown |
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| 77 | */ |
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| 78 | private $indentation = 0; |
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| 79 | |||
| 80 | /** |
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| 81 | * Constructor |
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| 82 | * |
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| 83 | * @param string $id |
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| 84 | */ |
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| 85 | 80 | public function __construct(string $id = 'untitled') |
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| 92 | |||
| 93 | /** |
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| 94 | * Reset primitive default attributtes |
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| 95 | * |
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| 96 | * {@inheritdoc} |
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| 97 | * |
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| 98 | * @return void |
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| 99 | */ |
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| 100 | 75 | public function reset() |
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| 107 | |||
| 108 | /** |
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| 109 | * Set DOM attributes |
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| 110 | * |
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| 111 | * @param string $attr |
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| 112 | * @param string $val |
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| 113 | * @return void |
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| 114 | */ |
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| 115 | 80 | public function attr(string $attr, string $val) |
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| 119 | |||
| 120 | /** |
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| 121 | * Child entity / primitive |
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| 122 | * |
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| 123 | * @return EntityChildrenFactory |
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| 124 | */ |
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| 125 | 5 | public function child(): EntityChildrenFactory |
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| 129 | |||
| 130 | /** |
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| 131 | * Position component |
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| 132 | * |
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| 133 | * All entities inherently have the position component. |
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| 134 | * |
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| 135 | * @param int|float $x_axis |
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| 136 | * @param int|float $y_axis |
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| 137 | * @param int|float $z_axis |
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| 138 | * @return EntityInterface |
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| 139 | */ |
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| 140 | 4 | public function position(float $x_axis = 0, float $y_axis = 0, float $z_axis = 0): EntityInterface |
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| 147 | |||
| 148 | /** |
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| 149 | * Rotation component |
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| 150 | * |
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| 151 | * All entities inherently have the rotation component. |
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| 152 | * |
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| 153 | * @param int|float $roll |
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| 154 | * @param int|float $pitch |
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| 155 | * @param int|float $yaw |
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| 156 | * @return EntityInterface |
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| 157 | */ |
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| 158 | 4 | public function rotation(float $roll = 0, float $pitch = 0, float $yaw = 0): EntityInterface |
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| 165 | |||
| 166 | /** |
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| 167 | * Scale component |
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| 168 | * |
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| 169 | * All entities inherently have the scale component. |
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| 170 | * |
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| 171 | * @param int|float $scale_x |
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| 172 | * @param int|float $scale_y |
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| 173 | * @param int|float $scale_z |
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| 174 | * @return EntityInterface |
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| 175 | */ |
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| 176 | 6 | public function scale(float $scale_x = 1, float $scale_y = 1, float $scale_z = 1): EntityInterface |
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| 183 | |||
| 184 | /** |
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| 185 | * Animations |
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| 186 | * |
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| 187 | * @param mixed $name |
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| 188 | * @return \AframeVR\Interfaces\AnimationInterface |
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| 189 | */ |
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| 190 | 2 | public function animation($name = 'untitled'): AnimationInterface |
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| 194 | |||
| 195 | /** |
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| 196 | * Set mixin attribute |
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| 197 | * |
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| 198 | * @param string $id |
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| 199 | * @return \AframeVR\Core\Entity |
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| 200 | */ |
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| 201 | 1 | public function mixin(string $id) |
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| 202 | { |
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| 203 | 1 | $this->attr('mixin', $id); |
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| 204 | 1 | return $this; |
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| 205 | } |
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| 206 | |||
| 207 | /** |
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| 208 | * Load component for this entity |
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| 209 | * |
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| 210 | * @param string $component_name |
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| 211 | * @throws \AframeVR\Core\Exceptions\BadComponentCallException |
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| 212 | * @return object|null |
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| 213 | */ |
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| 214 | 80 | View Code Duplication | public function component(string $component_name) |
| 228 | |||
| 229 | /** |
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| 230 | * Handle entity components |
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| 231 | * |
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| 232 | * Since we might need to customize these to have |
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| 233 | * custom components loaded as $this->methosd aswell therefore |
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| 234 | * we have these placeholder magic methods here |
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| 235 | * |
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| 236 | * @param string $component_name |
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| 237 | * @param array $args |
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| 238 | */ |
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| 239 | 30 | View Code Duplication | public function __call(string $component_name, array $args) |
| 250 | |||
| 251 | /** |
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| 252 | * Create and add DOM element of the entity |
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| 253 | * |
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| 254 | * @param \DOMDocument $aframe_dom |
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| 255 | * @return \DOMElement |
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| 256 | */ |
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| 257 | 13 | public function domElement(\DOMDocument &$aframe_dom): DOMElement |
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| 276 | |||
| 277 | /** |
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| 278 | * Append DOM attributes no set by components |
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| 279 | * |
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| 280 | * @param \DOMElement $a_entity |
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| 281 | */ |
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| 282 | 13 | private function appendAttributes(\DOMElement &$a_entity) |
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| 288 | |||
| 289 | 13 | View Code Duplication | private function setAttribute(&$a_entity, $attr, $val) |
| 296 | |||
| 297 | /** |
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| 298 | * Append childern to entities DOM element |
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| 299 | * |
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| 300 | * @param \DOMDocument $aframe_dom |
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| 301 | * @param \DOMElement $a_entity |
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| 302 | */ |
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| 303 | 13 | private function appendChildren(\DOMDocument &$aframe_dom, \DOMElement &$a_entity) |
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| 313 | |||
| 314 | /** |
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| 315 | * Append childern to entities DOM element |
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| 316 | * |
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| 317 | * @param \DOMDocument $aframe_dom |
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| 318 | * @param \DOMElement $a_entity |
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| 319 | */ |
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| 320 | 13 | private function appendAnimations(\DOMDocument &$aframe_dom, \DOMElement &$a_entity) |
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| 328 | |||
| 329 | /** |
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| 330 | * Add format comment |
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| 331 | * |
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| 332 | * @param \DOMDocument $aframe_dom |
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| 333 | * @param \DOMElement $a_entity |
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| 334 | * @param string $content |
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| 335 | */ |
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| 336 | 3 | private function addFormatComment(\DOMDocument &$aframe_dom, \DOMElement &$a_entity, string $content) |
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| 343 | } |
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| 344 |
This check compares the return type specified in the
@returnannotation of a function or method doc comment with the types returned by the function and raises an issue if they mismatch.