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- <?php
- namespace Doctrine\Common\Reflection;
- use const DIRECTORY_SEPARATOR;
- use function is_file;
- use function str_replace;
- use function strpos;
- use function strrpos;
- use function substr;
- /**
- * Finds a class in a PSR-0 structure.
- */
- class Psr0FindFile implements ClassFinderInterface
- {
- /**
- * The PSR-0 prefixes.
- *
- * @var string[][]
- */
- protected $prefixes;
- /**
- * @param string[][] $prefixes An array of prefixes. Each key is a PHP namespace and each value is
- * a list of directories.
- */
- public function __construct($prefixes)
- {
- $this->prefixes = $prefixes;
- }
- /**
- * {@inheritDoc}
- */
- public function findFile($class)
- {
- if ($class[0] === '\\') {
- $class = substr($class, 1);
- }
- $lastNsPos = strrpos($class, '\\');
- if ($lastNsPos !== false) {
- // namespaced class name
- $classPath = str_replace('\\', DIRECTORY_SEPARATOR, substr($class, 0, $lastNsPos)) . DIRECTORY_SEPARATOR;
- $className = substr($class, $lastNsPos + 1);
- } else {
- // PEAR-like class name
- $classPath = null;
- $className = $class;
- }
- $classPath .= str_replace('_', DIRECTORY_SEPARATOR, $className) . '.php';
- foreach ($this->prefixes as $prefix => $dirs) {
- if (strpos($class, $prefix) !== 0) {
- continue;
- }
- foreach ($dirs as $dir) {
- if (is_file($dir . DIRECTORY_SEPARATOR . $classPath)) {
- return $dir . DIRECTORY_SEPARATOR . $classPath;
- }
- }
- }
- return null;
- }
- }
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