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- <?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
- */
- 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 $attribute
- */
- public function __get($attribute)
- {
- return $this->__call($attribute, array());
- }
- /**
- * Catch and proxy all generator calls with arguments but return only valid values
- * @param string $name
- * @param array $arguments
- */
- public function __call($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;
- }
- }
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