packeta / deps / nette / utils / src / Utils / FileSystem.php

FileSystem.php in Packeta 1.6.2, at deps/nette/utils/src/Utils/FileSystem.php

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1	<?php
2
3	/**
4	* This file is part of the Nette Framework (https://nette.org)
5	* Copyright (c) 2004 David Grudl (https://davidgrudl.com)
6	*/
7	declare (strict_types=1);
8	namespace Packetery\Nette\Utils;
9
10	use Packetery\Nette;
11	/**
12	* File system tool.
13	*/
14	final class FileSystem
15	{
16	use \Packetery\Nette\StaticClass;
17	/**
18	* Creates a directory if it doesn't exist.
19	* @throws \Packetery\Nette\IOException on error occurred
20	*/
21	public static function createDir(string $dir, int $mode = 0777) : void
22	{
23	if (!\is_dir($dir) && !@\mkdir($dir, $mode, \true) && !\is_dir($dir)) {
24	// @ - dir may already exist
25	throw new \Packetery\Nette\IOException("Unable to create directory '{$dir}' with mode " . \decoct($mode) . '. ' . Helpers::getLastError());
26	}
27	}
28	/**
29	* Copies a file or a directory. Overwrites existing files and directories by default.
30	* @throws \Packetery\Nette\IOException on error occurred
31	* @throws \Packetery\Nette\InvalidStateException if $overwrite is set to false and destination already exists
32	*/
33	public static function copy(string $origin, string $target, bool $overwrite = \true) : void
34	{
35	if (\stream_is_local($origin) && !\file_exists($origin)) {
36	throw new \Packetery\Nette\IOException("File or directory '{$origin}' not found.");
37	} elseif (!$overwrite && \file_exists($target)) {
38	throw new \Packetery\Nette\InvalidStateException("File or directory '{$target}' already exists.");
39	} elseif (\is_dir($origin)) {
40	static::createDir($target);
41	foreach (new \FilesystemIterator($target) as $item) {
42	static::delete($item->getPathname());
43	}
44	foreach ($iterator = new \RecursiveIteratorIterator(new \RecursiveDirectoryIterator($origin, \RecursiveDirectoryIterator::SKIP_DOTS), \RecursiveIteratorIterator::SELF_FIRST) as $item) {
45	if ($item->isDir()) {
46	static::createDir($target . '/' . $iterator->getSubPathName());
47	} else {
48	static::copy($item->getPathname(), $target . '/' . $iterator->getSubPathName());
49	}
50	}
51	} else {
52	static::createDir(\dirname($target));
53	if (($s = @\fopen($origin, 'rb')) && ($d = @\fopen($target, 'wb')) && @\stream_copy_to_stream($s, $d) === \false) {
54	// @ is escalated to exception
55	throw new \Packetery\Nette\IOException("Unable to copy file '{$origin}' to '{$target}'. " . Helpers::getLastError());
56	}
57	}
58	}
59	/**
60	* Deletes a file or directory if exists.
61	* @throws \Packetery\Nette\IOException on error occurred
62	*/
63	public static function delete(string $path) : void
64	{
65	if (\is_file($path) \|\| \is_link($path)) {
66	$func = \DIRECTORY_SEPARATOR === '\\' && \is_dir($path) ? 'rmdir' : 'unlink';
67	if (!@$func($path)) {
68	// @ is escalated to exception
69	throw new \Packetery\Nette\IOException("Unable to delete '{$path}'. " . Helpers::getLastError());
70	}
71	} elseif (\is_dir($path)) {
72	foreach (new \FilesystemIterator($path) as $item) {
73	static::delete($item->getPathname());
74	}
75	if (!@\rmdir($path)) {
76	// @ is escalated to exception
77	throw new \Packetery\Nette\IOException("Unable to delete directory '{$path}'. " . Helpers::getLastError());
78	}
79	}
80	}
81	/**
82	* Renames or moves a file or a directory. Overwrites existing files and directories by default.
83	* @throws \Packetery\Nette\IOException on error occurred
84	* @throws \Packetery\Nette\InvalidStateException if $overwrite is set to false and destination already exists
85	*/
86	public static function rename(string $origin, string $target, bool $overwrite = \true) : void
87	{
88	if (!$overwrite && \file_exists($target)) {
89	throw new \Packetery\Nette\InvalidStateException("File or directory '{$target}' already exists.");
90	} elseif (!\file_exists($origin)) {
91	throw new \Packetery\Nette\IOException("File or directory '{$origin}' not found.");
92	} else {
93	static::createDir(\dirname($target));
94	if (\realpath($origin) !== \realpath($target)) {
95	static::delete($target);
96	}
97	if (!@\rename($origin, $target)) {
98	// @ is escalated to exception
99	throw new \Packetery\Nette\IOException("Unable to rename file or directory '{$origin}' to '{$target}'. " . Helpers::getLastError());
100	}
101	}
102	}
103	/**
104	* Reads the content of a file.
105	* @throws \Packetery\Nette\IOException on error occurred
106	*/
107	public static function read(string $file) : string
108	{
109	$content = @\file_get_contents($file);
110	// @ is escalated to exception
111	if ($content === \false) {
112	throw new \Packetery\Nette\IOException("Unable to read file '{$file}'. " . Helpers::getLastError());
113	}
114	return $content;
115	}
116	/**
117	* Writes the string to a file.
118	* @throws \Packetery\Nette\IOException on error occurred
119	*/
120	public static function write(string $file, string $content, ?int $mode = 0666) : void
121	{
122	static::createDir(\dirname($file));
123	if (@\file_put_contents($file, $content) === \false) {
124	// @ is escalated to exception
125	throw new \Packetery\Nette\IOException("Unable to write file '{$file}'. " . Helpers::getLastError());
126	}
127	if ($mode !== null && !@\chmod($file, $mode)) {
128	// @ is escalated to exception
129	throw new \Packetery\Nette\IOException("Unable to chmod file '{$file}' to mode " . \decoct($mode) . '. ' . Helpers::getLastError());
130	}
131	}
132	/**
133	* Fixes permissions to a specific file or directory. Directories can be fixed recursively.
134	* @throws \Packetery\Nette\IOException on error occurred
135	*/
136	public static function makeWritable(string $path, int $dirMode = 0777, int $fileMode = 0666) : void
137	{
138	if (\is_file($path)) {
139	if (!@\chmod($path, $fileMode)) {
140	// @ is escalated to exception
141	throw new \Packetery\Nette\IOException("Unable to chmod file '{$path}' to mode " . \decoct($fileMode) . '. ' . Helpers::getLastError());
142	}
143	} elseif (\is_dir($path)) {
144	foreach (new \FilesystemIterator($path) as $item) {
145	static::makeWritable($item->getPathname(), $dirMode, $fileMode);
146	}
147	if (!@\chmod($path, $dirMode)) {
148	// @ is escalated to exception
149	throw new \Packetery\Nette\IOException("Unable to chmod directory '{$path}' to mode " . \decoct($dirMode) . '. ' . Helpers::getLastError());
150	}
151	} else {
152	throw new \Packetery\Nette\IOException("File or directory '{$path}' not found.");
153	}
154	}
155	/**
156	* Determines if the path is absolute.
157	*/
158	public static function isAbsolute(string $path) : bool
159	{
160	return (bool) \preg_match('#([a-z]:)?[/\\\\]\|[a-z][a-z0-9+.-]*://#Ai', $path);
161	}
162	/**
163	* Normalizes `..` and `.` and directory separators in path.
164	*/
165	public static function normalizePath(string $path) : string
166	{
167	$parts = $path === '' ? [] : \preg_split('~[/\\\\]+~', $path);
168	$res = [];
169	foreach ($parts as $part) {
170	if ($part === '..' && $res && \end($res) !== '..' && \end($res) !== '') {
171	\array_pop($res);
172	} elseif ($part !== '.') {
173	$res[] = $part;
174	}
175	}
176	return $res === [''] ? \DIRECTORY_SEPARATOR : \implode(\DIRECTORY_SEPARATOR, $res);
177	}
178	/**
179	* Joins all segments of the path and normalizes the result.
180	*/
181	public static function joinPaths(string ...$paths) : string
182	{
183	return self::normalizePath(\implode('/', $paths));
184	}
185	}
186