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<?php |
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/* |
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* This file is part of Phypes <https://github.com/2DSharp/Phypes>. |
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* |
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* (c) Dedipyaman Das <[email protected]> |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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namespace Phypes\Rule\String; |
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use Phypes\Error\RuleError; |
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use Phypes\Error\RuleErrorCode; |
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use Phypes\Result\Failure; |
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use Phypes\Result\Result; |
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use Phypes\Result\Success; |
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use Phypes\Rule\Rule; |
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class TextCase implements Rule |
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{ |
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const ALL_LOWER = 0; |
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const ALL_UPPER = 1; |
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const MIXED = 2; |
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const SOME_UPPER = 3; |
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const SOME_LOWER = 4; |
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const LEVEL_STRICT = 0; |
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const LEVEL_TOLERANT = 1; |
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/** |
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* @var integer $caseType |
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*/ |
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private $caseType; |
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/** |
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* @var bool $strictCheck |
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*/ |
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private $strictCheck; |
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/** |
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* TextCase constructor. |
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* @throws \InvalidArgumentException |
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* @param int $caseType |
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* @param bool $allowSpecialChars |
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*/ |
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public function __construct(int $caseType, bool $allowSpecialChars = true) |
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{ |
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if ($caseType > 4 || $caseType < 0) |
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throw new \InvalidArgumentException('Case Type ' . $caseType . ' is invalid. |
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Check the class constants available to be used as caseTypes'); |
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$this->caseType = $caseType; |
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$this->strictCheck = !$allowSpecialChars; |
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} |
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/** |
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* @param string $text |
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* @return bool |
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*/ |
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private function isMixed(string $text) : bool |
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{ |
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if ($this->strictCheck) { |
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if (preg_match("/^[a-zA-Z]+$/", $text)) |
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return preg_match('/[a-z]/', $text) && preg_match('/[A-Z]/', $text); |
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else |
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return false; |
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} |
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return preg_match('/[a-z]/', $text) && preg_match('/[A-Z]/', $text); |
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} |
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private function isAllUpper(string $text) : bool |
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{ |
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if ($this->strictCheck) |
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return ctype_upper($text); |
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else |
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return !preg_match('/[a-z]/', $text) && preg_match('/[A-Z]/', $text); |
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} |
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private function isAllLower(string $text) : bool |
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{ |
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if ($this->strictCheck) |
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return ctype_lower($text); |
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else |
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return preg_match('/[a-z]/', $text) && !preg_match('/[A-Z]/', $text); |
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} |
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private function isSomeLower(string $text) : bool |
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{ |
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$containsLower = preg_match('/[a-z]/', $text); |
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if ($this->strictCheck) |
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return !preg_match('/[\W]/', $text) && $containsLower; |
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else |
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return $containsLower; |
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} |
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private function isSomeUpper(string $text) : bool |
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{ |
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$containsUpper = preg_match('/[A-Z]/', $text); |
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if ($this->strictCheck) |
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return !preg_match('/[\W]/', $text) && $containsUpper; |
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else |
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return $containsUpper; |
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} |
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public function validate($data): Result |
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{ |
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$isValid = false; |
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switch ($this->caseType) { |
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case self::MIXED: |
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$isValid = $this->isMixed($data); |
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break; |
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case self::ALL_UPPER: |
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$isValid = $this->isAllUpper($data); |
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break; |
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case self::ALL_LOWER: |
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$isValid = $this->isAllLower($data); |
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break; |
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case self::SOME_LOWER: |
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$isValid = $this->isSomeLower($data); |
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break; |
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case self::SOME_UPPER: |
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$isValid = $this->isSomeUpper($data); |
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break; |
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} |
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if ($isValid) |
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return new Success(); |
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else |
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return new Failure(new RuleError(RuleErrorCode::CASING_MISMATCH, |
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"The given string doesn't match the required case")); |
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} |
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} |
2DSharp /
Phypes
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