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<?php |
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namespace detox\core; |
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use detox\dataset\SetContract; |
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use detox\source\Text; |
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/** |
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* Class Words |
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* @package detox\core |
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* |
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* @property Text text |
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*/ |
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class Words |
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{ |
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public const MAX_SCORE = 1; |
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public const ASTERISKS_MIDDLE = 0.8; |
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public const ASTERISKS_LEFT = 0.5; |
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public const ASTERISKS_RIGHT = 0.6; |
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protected $dataSet; |
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protected $score = 0; |
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protected $text; |
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/** |
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* Words constructor. |
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* |
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* @param SetContract $set |
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* @param Text $text |
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*/ |
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public function __construct(SetContract $set, Text $text) |
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{ |
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$this->dataSet = $set; |
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$this->text = $text; |
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} |
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/** |
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* Finds bad words from *Set and setting score/replace |
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*/ |
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public function processWords() : void |
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{ |
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// to match lower case letters in words set array |
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$lowerSource = $this->addLowSpaces($this->text->getString()); |
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/** |
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* @var string $points |
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* @var array $words |
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*/ |
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foreach ($this->dataSet->getWords() as $points => $words) { |
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foreach ($words as $word) { |
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if (mb_strpos($lowerSource, ' ' . $word . ' ') !== false) { |
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$this->score += (float)$points; |
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if ($this->text->isReplaceable()) { |
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$this->replace($word); |
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} |
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} |
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} |
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} |
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if ($this->score >= self::MAX_SCORE) { |
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$this->score = self::MAX_SCORE; |
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} |
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} |
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/** |
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* Finds bad words with asterisks and setting score/replace |
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*/ |
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public function processPatterns() : void |
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{ |
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$lowerSource = $this->addLowSpaces($this->text->getString()); |
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if (preg_match_all('/\s(([\w]+)[\*]+([\w]+))\s/', $lowerSource, $matches) > 0) { |
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$this->score += (self::ASTERISKS_MIDDLE * count($matches[0])); |
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if ($this->text->isReplaceable()) { |
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$this->replaceMatches($matches); |
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} |
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} |
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$lowerSource = $this->addLowSpaces($this->text->getString()); |
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if (preg_match_all('/\s(([\w]+)[\*]+)\s/', $lowerSource, $matches) > 0) { |
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$this->score += (self::ASTERISKS_RIGHT * count($matches[0])); |
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if ($this->text->isReplaceable()) { |
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$this->replaceMatches($matches); |
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} |
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} |
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$lowerSource = $this->addLowSpaces($this->text->getString()); |
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if (preg_match_all('/\s([\*]+([\w]+))\s/', $lowerSource, $matches) > 0) { |
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$this->score += (self::ASTERISKS_LEFT * count($matches[0])); |
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if ($this->text->isReplaceable()) { |
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$this->replaceMatches($matches); |
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} |
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} |
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} |
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/** |
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* @param SetContract $set |
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*/ |
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public function setData(SetContract $set) : void |
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{ |
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$this->dataSet = $set; |
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} |
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/** |
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* @return float |
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*/ |
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public function getScore() : float |
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{ |
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return $this->score; |
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} |
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/** |
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* @param float $score |
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*/ |
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public function setScore(float $score) : void |
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{ |
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$this->score = $score; |
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} |
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/** |
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* @param string $str |
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* @return string |
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*/ |
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protected function addLowSpaces(string $str) : string |
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{ |
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return ' ' . mb_strtolower($str) . ' '; |
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} |
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/** |
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* @param string $phrase word or phrase to replace |
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*/ |
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protected function replace(string $phrase) : void |
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{ |
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// todo: slice the word with replacement to prevent WoRd -> word transformations |
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$this->text->setString(str_replace($phrase, $this->text->getPrefix() . $this->text->getReplaceChars() . $this->text->getPostfix(), |
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mb_strtolower($this->text->getString()))); |
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} |
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private function replaceMatches(array $matches) : void |
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{ |
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/** @var array $matches */ |
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foreach ($matches[0] as $word) { |
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$this->replace($word); |
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} |
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} |
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/** |
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* Setter for convenient DI with Text object and it's properties |
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* @param Text $text |
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*/ |
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public function setText(Text $text) : void |
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{ |
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$this->text = $text; |
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} |
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/** |
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* @return Text |
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*/ |
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public function getText() : Text |
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{ |
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return $this->text; |
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} |
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} |
arthurkushman /
detox
