<?php
/**
* @see https://github.com/laminas/laminas-validator for the canonical source repository
* @copyright https://github.com/laminas/laminas-validator/blob/master/COPYRIGHT.md
* @license https://github.com/laminas/laminas-validator/blob/master/LICENSE.md New BSD License
*/
namespace Laminas\Validator;
use Laminas\Stdlib\ArrayUtils;
use Laminas\Stdlib\ErrorHandler;
use Traversable;
class Regex extends AbstractValidator
{
const INVALID = 'regexInvalid';
const NOT_MATCH = 'regexNotMatch';
const ERROROUS = 'regexErrorous';
/**
* @var array
*/
protected $messageTemplates = [
self::INVALID => "Invalid type given. String, integer or float expected",
self::NOT_MATCH => "The input does not match against pattern '%pattern%'",
self::ERROROUS => "There was an internal error while using the pattern '%pattern%'",
];
/**
* @var array
*/
protected $messageVariables = [
'pattern' => 'pattern'
];
/**
* Regular expression pattern
*
* @var string
*/
protected $pattern;
/**
* Sets validator options
*
* @param string|array|Traversable $pattern
* @throws Exception\InvalidArgumentException On missing 'pattern' parameter
*/
public function __construct($pattern)
{
if (is_string($pattern)) {
$this->setPattern($pattern);
parent::__construct([]);
return;
}
if ($pattern instanceof Traversable) {
$pattern = ArrayUtils::iteratorToArray($pattern);
}
if (! is_array($pattern)) {
throw new Exception\InvalidArgumentException('Invalid options provided to constructor');
}
if (! array_key_exists('pattern', $pattern)) {
throw new Exception\InvalidArgumentException("Missing option 'pattern'");
}
$this->setPattern($pattern['pattern']);
unset($pattern['pattern']);
parent::__construct($pattern);
}
/**
* Returns the pattern option
*
* @return string
*/
public function getPattern()
{
return $this->pattern;
}
/**
* Sets the pattern option
*
* @param string $pattern
* @throws Exception\InvalidArgumentException if there is a fatal error in pattern matching
* @return Regex Provides a fluent interface
*/
public function setPattern($pattern)
{
ErrorHandler::start();
$this->pattern = (string) $pattern;
$status = preg_match($this->pattern, "Test");
$error = ErrorHandler::stop();
if (false === $status) {
throw new Exception\InvalidArgumentException(
"Internal error parsing the pattern '{$this->pattern}'",
0,
$error
);
}
return $this;
}
/**
* Returns true if and only if $value matches against the pattern option
*
* @param string $value
* @return bool
*/
public function isValid($value)
{
if (! is_string($value) && ! is_int($value) && ! is_float($value)) {
$this->error(self::INVALID);
return false;
}
$this->setValue($value);
ErrorHandler::start();
$status = preg_match($this->pattern, $value);
ErrorHandler::stop();
if (false === $status) {
$this->error(self::ERROROUS);
return false;
}
if (! $status) {
$this->error(self::NOT_MATCH);
return false;
}
return true;
}
}