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<?php |
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namespace KoenHoeijmakers\PaperKeyGenerator\WordLists; |
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use KoenHoeijmakers\PaperKeyGenerator\WordLists\Exceptions\WordListException; |
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use KoenHoeijmakers\PaperKeyGenerator\WordLists\Interfaces\WordListInterface; |
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abstract class WordList implements WordListInterface |
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{ |
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/** |
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* List of words. |
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* |
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* @var array |
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*/ |
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protected $words = []; |
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/** |
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* Flipped list of words. |
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* |
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* @var array |
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*/ |
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protected $flippedWords = []; |
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/** |
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* WordList constructor. |
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*/ |
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public function __construct() |
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{ |
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$this->flipWords(); |
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} |
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/** |
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* Get the word on the given index. |
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* |
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* @param int $index |
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* @return string |
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* @throws \KoenHoeijmakers\PaperKeyGenerator\WordLists\Exceptions\WordListException |
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*/ |
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View Code Duplication |
public function getWord(int $index): string |
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{ |
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$words = $this->getWords(); |
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if (!array_key_exists($index, $words)) { |
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throw new WordListException('No word found on index "' . $index . '"'); |
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} |
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return $words[$index]; |
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} |
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/** |
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* Get the array of words. |
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* |
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* @return array |
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*/ |
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public function getWords(): array |
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{ |
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return $this->words; |
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} |
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/** |
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* Get the index of the given word. |
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* |
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* @param string $word |
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* @return int |
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* @throws \KoenHoeijmakers\PaperKeyGenerator\WordLists\Exceptions\WordListException |
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*/ |
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View Code Duplication |
public function getWordIndex(string $word): int |
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{ |
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$words = $this->getFlippedWords(); |
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if (!array_key_exists($word, $words)) { |
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throw new WordListException('No index found for word "' . $word . '"'); |
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} |
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return $words[$word]; |
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} |
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/** |
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* Get the array of flipped words. |
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* |
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* @return array |
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*/ |
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public function getFlippedWords(): array |
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{ |
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return $this->flippedWords; |
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} |
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/** |
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* Get the count of words. |
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* |
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* @return int |
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*/ |
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public function getWordsCount(): int |
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{ |
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return count($this->words); |
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} |
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/** |
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* Flips the words for quicker lookup. |
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* |
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* @return void |
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*/ |
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protected function flipWords() |
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{ |
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$this->flippedWords = array_flip($this->words); |
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} |
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} |
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