CHIEFSOFT\ameye
98 lines
2.6 KiB
PHP
98 lines
2.6 KiB
PHP
<?php
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/**
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* @file classes/form/validation/FormValidatorLength.php
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*
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* Copyright (c) 2014-2021 Simon Fraser University
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* Copyright (c) 2000-2021 John Willinsky
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* Distributed under the GNU GPL v3. For full terms see the file docs/COPYING.
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*
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* @class FormValidatorLength
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*
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* @ingroup form_validation
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*
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* @brief Form validation check that checks if a field's length meets certain requirements.
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*/
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namespace PKP\form\validation;
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use PKP\core\PKPString;
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class FormValidatorLength extends FormValidator
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{
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/** @var string comparator to use (== | != | < | > | <= | >= ) */
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public $_comparator;
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/** @var int length to compare with */
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public $_length;
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/**
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* Constructor.
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*
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* @param \PKP\form\Form $form the associated form
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* @param string $field the name of the associated field
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* @param string $type the type of check, either "required" or "optional"
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* @param string $message the error message for validation failures (i18n key)
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* @param string $comparator
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* @param int $length
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*/
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public function __construct(&$form, $field, $type, $message, $comparator, $length)
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{
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parent::__construct($form, $field, $type, $message);
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$this->_comparator = $comparator;
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$this->_length = $length;
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}
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//
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// Setters and Getters
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//
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/**
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* @see FormValidator::getMessage()
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*
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* @return string
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*/
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public function getMessage()
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{
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return __($this->_message, ['length' => $this->_length]);
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}
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//
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// Public methods
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//
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/**
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* @see FormValidator::isValid()
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* Value is valid if it is empty and optional or meets the specified length requirements.
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*
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* @return bool
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*/
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public function isValid()
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{
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if ($this->isEmptyAndOptional()) {
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return true;
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} else {
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$length = PKPString::strlen($this->getFieldValue());
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switch ($this->_comparator) {
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case '==':
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return $length == $this->_length;
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case '!=':
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return $length != $this->_length;
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case '<':
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return $length < $this->_length;
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case '>':
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return $length > $this->_length;
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case '<=':
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return $length <= $this->_length;
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case '>=':
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return $length >= $this->_length;
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}
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return false;
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}
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}
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}
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if (!PKP_STRICT_MODE) {
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class_alias('\PKP\form\validation\FormValidatorLength', '\FormValidatorLength');
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}
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