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<?php
/**
* Copyright © Magento, Inc. All rights reserved.
* See COPYING.txt for license details.
*/
namespace Magento\Setup\Module\Dependency\Parser;
use Magento\Setup\Module\Dependency\ParserInterface;
/**
* Code parser
*/
class Code implements ParserInterface
{
/**
* Declared namespaces
*
* @var array
*/
protected $declaredNamespaces;
/**
* Template method. Main algorithm
*
* {@inheritdoc}
*/
public function parse(array $options)
{
$this->checkOptions($options);
$this->declaredNamespaces = $options['declared_namespaces'];
$pattern = '#\b((?<module>(' . implode(
'[\\\\]|',
$this->declaredNamespaces
) . '[\\\\])[a-zA-Z0-9]+)[a-zA-Z0-9_\\\\]*)\b#';
$modules = [];
foreach ($options['files_for_parse'] as $file) {
$content = file_get_contents($file);
$module = $this->extractModuleName($file);
// also collect modules without dependencies
if (!isset($modules[$module])) {
$modules[$module] = ['name' => $module, 'dependencies' => []];
}
if (preg_match_all($pattern, $content, $matches)) {
$dependencies = array_count_values($matches['module']);
foreach ($dependencies as $dependency => $count) {
if ($module == $dependency) {
continue;
}
if (isset($modules[$module]['dependencies'][$dependency])) {
$modules[$module]['dependencies'][$dependency]['count'] += $count;
} else {
$modules[$module]['dependencies'][$dependency] = [
'lib' => $dependency,
'count' => $count,
];
}
}
}
}
return $modules;
}
/**
* Template method. Check passed options step
*
* @param array $options
* @return void
* @throws \InvalidArgumentException
*/
protected function checkOptions($options)
{
if (!isset(
$options['files_for_parse']
) || !is_array(
$options['files_for_parse']
) || !$options['files_for_parse']
) {
throw new \InvalidArgumentException('Parse error: Option "files_for_parse" is wrong.');
}
if (!isset(
$options['declared_namespaces']
) || !is_array(
$options['declared_namespaces']
) || !$options['declared_namespaces']
) {
throw new \InvalidArgumentException('Parse error: Option "declared_namespaces" is wrong.');
}
}
/**
* Extract module name form file path
*
* @param string $file
* @return string
*/
protected function extractModuleName($file)
{
$pattern = '#code/(?<namespace>' . $this->declaredNamespaces[0] . ')[/_\\\\]?(?<module>[^/]+)/#';
if (preg_match($pattern, $file, $matches)) {
return $matches['namespace'] . '\\' . $matches['module'];
}
return '';
}
}