public function getConfigTreeBuilder()
{
$treeBuilder = new TreeBuilder();
$rootNode = $treeBuilder->root('nelmio_alice');
$rootNode->children()->scalarNode('locale')->defaultValue('en_US')->info('Default locale for the Faker Generator')->validate()->always($this->createStringValidatorClosure('nelmio_alice.locale'))->end()->end()->scalarNode('seed')->defaultValue(1)->info('Value used make sure Faker generates data consistently across runs, set to null to disable.')->validate()->always(function ($seed) {
if (null === $seed || is_int($seed) && $seed > 0) {
return $seed;
}
throw InvalidArgumentExceptionFactory::createForInvalidSeedConfigurationValue($seed);
})->end()->end()->arrayNode('functions_blacklist')->prototype('scalar')->end()->defaultValue(['current'])->info('Some PHP native functions may conflict with Faker formatters. By default, PHP native ' . 'functions are used over Faker formatters. If you want to change that, simply blacklist the ' . 'PHP function.')->validate()->always(function (array $value) {
foreach ($value as $item) {
if (false === is_string($item)) {
throw InvalidArgumentExceptionFactory::createForExpectedConfigurationArrayOfStringValue($item);
}
}
return $value;
})->end()->end()->integerNode('loading_limit')->defaultValue(5)->info('Alice may do some recursion to resolve certain values. This parameter defines a limit which ' . 'will stop the resolution once reached.')->validate()->always($this->createPositiveIntegerValidatorClosure())->end()->end()->integerNode('max_unique_values_retry')->defaultValue(150)->info('Maximum number of time Alice can try to generate a unique value before stopping and failing.')->validate()->always($this->createPositiveIntegerValidatorClosure())->end()->end()->end();
return $treeBuilder;
}