<?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 JsonSchema\Entity\JsonPointer;
/**
* 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, JsonPointer $path = null, $i = null)
{
// Verify maxLength
if (isset($schema->maxLength) && $this->strlen($element) > $schema->maxLength) {
$this->addError($path, 'Must be at most ' . $schema->maxLength . ' characters long', 'maxLength', array(
'maxLength' => $schema->maxLength,
));
}
//verify minLength
if (isset($schema->minLength) && $this->strlen($element) < $schema->minLength) {
$this->addError($path, 'Must be at least ' . $schema->minLength . ' characters long', 'minLength', array(
'minLength' => $schema->minLength,
));
}
// Verify a regex pattern
if (isset($schema->pattern) && !preg_match('#' . str_replace('#', '\\#', $schema->pattern) . '#u', $element)) {
$this->addError($path, 'Does not match the regex pattern ' . $schema->pattern, '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));
}
// mbstring is present on all test platforms, so strlen() can be ignored for coverage
return strlen($string); // @codeCoverageIgnore
}
}