SiroDiaz /
DataStructures
| @@ 299-325 (lines=27) @@ | ||
| 296 | * @throws OutOfBoundsException if index is negative |
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| 297 | * or is greater than the size of the list. |
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| 298 | */ |
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| 299 | public function delete($index) { |
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| 300 | if($index < 0 || ($index > 0 && $index > $this->size - 1)) { |
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| 301 | throw new OutOfBoundsException(); |
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| 302 | } |
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| 303 | ||
| 304 | // if the list is empty |
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| 305 | if($this->head === null) { |
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| 306 | return null; |
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| 307 | } |
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| 308 | ||
| 309 | // if only there is an element |
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| 310 | if($this->head->next === $this->head) { |
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| 311 | $temp = $this->head; |
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| 312 | $this->head = null; |
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| 313 | $this->size--; |
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| 314 | ||
| 315 | return $temp->data; |
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| 316 | } |
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| 317 | ||
| 318 | if($index === 0) { |
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| 319 | return $this->deleteBeginning(); |
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| 320 | } else if($index === $this->size - 1) { |
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| 321 | return $this->deleteEnd(); |
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| 322 | } else { |
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| 323 | return $this->deleteAt($index); |
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| 324 | } |
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| 325 | } |
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| 326 | ||
| 327 | /** |
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| 328 | * Deletes at the beginnig of the list and returns the data stored. |
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| @@ 316-342 (lines=27) @@ | ||
| 313 | * @throws OutOfBoundsException if index is negative |
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| 314 | * or is greater than the size of the list. |
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| 315 | */ |
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| 316 | public function delete($index) { |
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| 317 | if($index < 0 || ($index > 0 && $index > $this->size - 1)) { |
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| 318 | throw new OutOfBoundsException(); |
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| 319 | } |
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| 320 | ||
| 321 | // if the list is empty |
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| 322 | if($this->head === null) { |
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| 323 | return null; |
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| 324 | } |
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| 325 | ||
| 326 | // if only there is an element |
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| 327 | if($this->head->next === $this->head) { |
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| 328 | $temp = $this->head; |
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| 329 | $this->head = null; |
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| 330 | $this->size--; |
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| 331 | ||
| 332 | return $temp->data; |
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| 333 | } |
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| 334 | ||
| 335 | if($index === 0) { |
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| 336 | return $this->deleteBeginning(); |
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| 337 | } else if($index === $this->size - 1) { |
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| 338 | return $this->deleteEnd(); |
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| 339 | } else { |
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| 340 | return $this->deleteAt($index); |
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| 341 | } |
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| 342 | } |
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| 343 | ||
| 344 | /** |
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| 345 | * Deletes at the beginnig of the list and returns the data stored. |
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