Add Composer autoloading functions and PHPStan for testing

vendor/nette/di/src/DI/Config/Loader.php

@@ -0,0 +1,137 @@
+<?php
+
+/**
+ * This file is part of the Nette Framework (https://nette.org)
+ * Copyright (c) 2004 David Grudl (https://davidgrudl.com)
+ */
+
+namespace Nette\DI\Config;
+
+use Nette;
+use Nette\Utils\Validators;
+
+
+/**
+ * Configuration file loader.
+ */
+class Loader
+{
+	use Nette\SmartObject;
+
+	/** @internal */
+	const INCLUDES_KEY = 'includes';
+
+	private $adapters = [
+		'php' => Adapters\PhpAdapter::class,
+		'ini' => Adapters\IniAdapter::class,
+		'neon' => Adapters\NeonAdapter::class,
+	];
+
+	private $dependencies = [];
+
+	private $loadedFiles = [];
+
+
+	/**
+	 * Reads configuration from file.
+	 * @param  string  file name
+	 * @param  string  optional section to load
+	 * @return array
+	 */
+	public function load($file, $section = null)
+	{
+		if (!is_file($file) || !is_readable($file)) {
+			throw new Nette\FileNotFoundException("File '$file' is missing or is not readable.");
+		}
+
+		if (isset($this->loadedFiles[$file])) {
+			throw new Nette\InvalidStateException("Recursive included file '$file'");
+		}
+		$this->loadedFiles[$file] = true;
+
+		$this->dependencies[] = $file;
+		$data = $this->getAdapter($file)->load($file);
+
+		if ($section) {
+			if (isset($data[self::INCLUDES_KEY])) {
+				throw new Nette\InvalidStateException("Section 'includes' must be placed under some top section in file '$file'.");
+			}
+			$data = $this->getSection($data, $section, $file);
+		}
+
+		// include child files
+		$merged = [];
+		if (isset($data[self::INCLUDES_KEY])) {
+			Validators::assert($data[self::INCLUDES_KEY], 'list', "section 'includes' in file '$file'");
+			foreach ($data[self::INCLUDES_KEY] as $include) {
+				if (!preg_match('#([a-z]+:)?[/\\\\]#Ai', $include)) {
+					$include = dirname($file) . '/' . $include;
+				}
+				$merged = Helpers::merge($this->load($include), $merged);
+			}
+		}
+		unset($data[self::INCLUDES_KEY], $this->loadedFiles[$file]);
+
+
+		return Helpers::merge($data, $merged);
+	}
+
+
+	/**
+	 * Save configuration to file.
+	 * @param  array
+	 * @param  string  file
+	 * @return void
+	 */
+	public function save($data, $file)
+	{
+		if (file_put_contents($file, $this->getAdapter($file)->dump($data)) === false) {
+			throw new Nette\IOException("Cannot write file '$file'.");
+		}
+	}
+
+
+	/**
+	 * Returns configuration files.
+	 * @return array
+	 */
+	public function getDependencies()
+	{
+		return array_unique($this->dependencies);
+	}
+
+
+	/**
+	 * Registers adapter for given file extension.
+	 * @param  string  file extension
+	 * @param  string|IAdapter
+	 * @return static
+	 */
+	public function addAdapter($extension, $adapter)
+	{
+		$this->adapters[strtolower($extension)] = $adapter;
+		return $this;
+	}
+
+
+	/** @return IAdapter */
+	private function getAdapter($file)
+	{
+		$extension = strtolower(pathinfo($file, PATHINFO_EXTENSION));
+		if (!isset($this->adapters[$extension])) {
+			throw new Nette\InvalidArgumentException("Unknown file extension '$file'.");
+		}
+		return is_object($this->adapters[$extension]) ? $this->adapters[$extension] : new $this->adapters[$extension];
+	}
+
+
+	private function getSection(array $data, $key, $file)
+	{
+		Validators::assertField($data, $key, 'array|null', "section '%' in file '$file'");
+		$item = $data[$key];
+		if ($parent = Helpers::takeParent($item)) {
+			$item = Helpers::merge($item, $this->getSection($data, $parent, $file));
+		}
+		return $item;
+	}
+}