66 lines
1.7 KiB
PHP
66 lines
1.7 KiB
PHP
<?php
|
|
|
|
namespace Faker;
|
|
|
|
/**
|
|
* Proxy for other generators, to return only valid values. Works with
|
|
* Faker\Generator\Base->valid()
|
|
*/
|
|
class ValidGenerator
|
|
{
|
|
protected $generator;
|
|
protected $validator;
|
|
protected $maxRetries;
|
|
|
|
/**
|
|
* @param Generator $generator
|
|
* @param callable|null $validator
|
|
* @param integer $maxRetries
|
|
*/
|
|
public function __construct(Generator $generator, $validator = null, $maxRetries = 10000)
|
|
{
|
|
if (is_null($validator)) {
|
|
$validator = function () {
|
|
return true;
|
|
};
|
|
} elseif (!is_callable($validator)) {
|
|
throw new \InvalidArgumentException('valid() only accepts callables as first argument');
|
|
}
|
|
$this->generator = $generator;
|
|
$this->validator = $validator;
|
|
$this->maxRetries = $maxRetries;
|
|
}
|
|
|
|
/**
|
|
* Catch and proxy all generator calls but return only valid values
|
|
* @param string $attribute
|
|
*
|
|
* @return mixed
|
|
*/
|
|
public function __get($attribute)
|
|
{
|
|
return $this->__call($attribute, array());
|
|
}
|
|
|
|
/**
|
|
* Catch and proxy all generator calls with arguments but return only valid values
|
|
* @param string $name
|
|
* @param array $arguments
|
|
*
|
|
* @return mixed
|
|
*/
|
|
public function __call($name, $arguments)
|
|
{
|
|
$i = 0;
|
|
do {
|
|
$res = call_user_func_array(array($this->generator, $name), $arguments);
|
|
$i++;
|
|
if ($i > $this->maxRetries) {
|
|
throw new \OverflowException(sprintf('Maximum retries of %d reached without finding a valid value', $this->maxRetries));
|
|
}
|
|
} while (!call_user_func($this->validator, $res));
|
|
|
|
return $res;
|
|
}
|
|
}
|