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<?php
/*
* This file is part of the Behat Gherkin.
* (c) Konstantin Kudryashov <ever.zet@gmail.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Behat\Gherkin;
use Behat\Gherkin\Filter\FeatureFilterInterface;
use Behat\Gherkin\Filter\LineFilter;
use Behat\Gherkin\Filter\LineRangeFilter;
use Behat\Gherkin\Loader\FileLoaderInterface;
use Behat\Gherkin\Loader\LoaderInterface;
/**
* Gherkin manager.
*
* @author Konstantin Kudryashov <ever.zet@gmail.com>
*/
class Gherkin
{
const VERSION = '4.6.2';
/**
* @var LoaderInterface[]
*/
protected $loaders = array();
/**
* @var FeatureFilterInterface[]
*/
protected $filters = array();
/**
* Adds loader to manager.
*
* @param LoaderInterface $loader Feature loader
*/
public function addLoader(LoaderInterface $loader)
{
$this->loaders[] = $loader;
}
/**
* Adds filter to manager.
*
* @param FeatureFilterInterface $filter Feature filter
*/
public function addFilter(FeatureFilterInterface $filter)
{
$this->filters[] = $filter;
}
/**
* Sets filters to the parser.
*
* @param FeatureFilterInterface[] $filters
*/
public function setFilters(array $filters)
{
$this->filters = array();
array_map(array($this, 'addFilter'), $filters);
}
/**
* Sets base features path.
*
* @param string $path Loaders base path
*/
public function setBasePath($path)
{
foreach ($this->loaders as $loader) {
if ($loader instanceof FileLoaderInterface) {
$loader->setBasePath($path);
}
}
}
/**
* Loads & filters resource with added loaders.
*
* @param mixed $resource Resource to load
* @param FeatureFilterInterface[] $filters Additional filters
*
* @return array
*/
public function load($resource, array $filters = array())
{
$filters = array_merge($this->filters, $filters);
$matches = array();
if (preg_match('/^(.*)\:(\d+)-(\d+|\*)$/', $resource, $matches)) {
$resource = $matches[1];
$filters[] = new LineRangeFilter($matches[2], $matches[3]);
} elseif (preg_match('/^(.*)\:(\d+)$/', $resource, $matches)) {
$resource = $matches[1];
$filters[] = new LineFilter($matches[2]);
}
$loader = $this->resolveLoader($resource);
if (null === $loader) {
return array();
}
$features = array();
foreach ($loader->load($resource) as $feature) {
foreach ($filters as $filter) {
$feature = $filter->filterFeature($feature);
if (!$feature->hasScenarios() && !$filter->isFeatureMatch($feature)) {
continue 2;
}
}
$features[] = $feature;
}
return $features;
}
/**
* Resolves loader by resource.
*
* @param mixed $resource Resource to load
*
* @return LoaderInterface
*/
public function resolveLoader($resource)
{
foreach ($this->loaders as $loader) {
if ($loader->supports($resource)) {
return $loader;
}
}
return null;
}
}