SiroDiaz /
DataStructures
| @@ 340-366 (lines=27) @@ | ||
| 337 | * @throws OutOfBoundsException if index is negative |
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| 338 | * or is greater than the size of the list. |
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| 339 | */ |
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| 340 | public function delete($index) { |
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| 341 | if($index < 0 || ($index > 0 && $index > $this->size - 1)) { |
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| 342 | throw new OutOfBoundsException(); |
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| 343 | } |
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| 344 | ||
| 345 | // if the list is empty |
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| 346 | if($this->head === null) { |
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| 347 | return null; |
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| 348 | } |
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| 349 | ||
| 350 | // if only there is an element |
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| 351 | if($this->head->next === $this->head) { |
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| 352 | $temp = $this->head; |
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| 353 | $this->head = null; |
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| 354 | $this->size--; |
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| 355 | ||
| 356 | return $temp->data; |
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| 357 | } |
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| 358 | ||
| 359 | if($index === 0) { |
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| 360 | return $this->deleteBeginning(); |
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| 361 | } else if($index === $this->size - 1) { |
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| 362 | return $this->deleteEnd(); |
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| 363 | } else { |
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| 364 | return $this->deleteAt($index); |
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| 365 | } |
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| 366 | } |
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| 367 | ||
| 368 | /** |
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| 369 | * Deletes at the beginnig of the list and returns the data stored. |
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| @@ 358-384 (lines=27) @@ | ||
| 355 | * @throws OutOfBoundsException if index is negative |
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| 356 | * or is greater than the size of the list. |
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| 357 | */ |
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| 358 | public function delete($index) { |
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| 359 | if($index < 0 || ($index > 0 && $index > $this->size - 1)) { |
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| 360 | throw new OutOfBoundsException(); |
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| 361 | } |
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| 362 | ||
| 363 | // if the list is empty |
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| 364 | if($this->head === null) { |
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| 365 | return null; |
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| 366 | } |
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| 367 | ||
| 368 | // if only there is an element |
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| 369 | if($this->head->next === $this->head) { |
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| 370 | $temp = $this->head; |
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| 371 | $this->head = null; |
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| 372 | $this->size--; |
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| 373 | ||
| 374 | return $temp->data; |
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| 375 | } |
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| 376 | ||
| 377 | if($index === 0) { |
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| 378 | return $this->deleteBeginning(); |
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| 379 | } else if($index === $this->size - 1) { |
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| 380 | return $this->deleteEnd(); |
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| 381 | } else { |
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| 382 | return $this->deleteAt($index); |
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| 383 | } |
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| 384 | } |
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| 385 | ||
| 386 | /** |
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| 387 | * Deletes at the beginnig of the list and returns the data stored. |
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