src/JsonSchema/Constraints/StringConstraint.php
<?php
/*
* This file is part of the JsonSchema package.
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace JsonSchema\Constraints;
use robotdance\I18n;
/**
* The StringConstraint Constraints, validates an string against a given schema
*
* @author Robert Schönthal <seroscho@googlemail.com>
* @author Bruno Prieto Reis <bruno.p.reis@gmail.com>
*/
class StringConstraint extends Constraint
{
/**
* {@inheritDoc}
*/
public function check($element, $schema = null, $path = null, $i = null)
{
// Verify maxLength
if (isset($schema->maxLength) && $this->strlen($element) > $schema->maxLength) {
$errorMsg = I18n::t("constraints.string.max_length", ['maxLength' => $schema->maxLength]);
$this->addError($path, $errorMsg, 'maxLength', array(
'maxLength' => $schema->maxLength,
));
}
//verify minLength
if (isset($schema->minLength) && $this->strlen($element) < $schema->minLength) {
$errorMsg = I18n::t("constraints.string.min_length", ['minLength' => $schema->minLength]);
$this->addError($path, $errorMsg, 'minLength', array(
'minLength' => $schema->minLength,
));
}
// Verify a regex pattern
if (isset($schema->pattern) && !preg_match('#' . str_replace('#', '\\#', $schema->pattern) . '#', $element)) {
$errorMsg = I18n::t("constraints.string.pattern", ['pattern' => $schema->pattern]);
$this->addError($path, $errorMsg, 'pattern', array(
'pattern' => $schema->pattern,
));
}
$this->checkFormat($element, $schema, $path, $i);
}
private function strlen($string)
{
if (extension_loaded('mbstring')) {
return mb_strlen($string, mb_detect_encoding($string));
} else {
return strlen($string);
}
}
}