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<?php
/**
* This file is part of the Nette Framework (https://nette.org)
* Copyright (c) 2004 David Grudl (https://davidgrudl.com)
*/
declare (strict_types=1);
namespace RectorPrefix202410\Nette\Utils;
use RectorPrefix202410\Nette;
/**
* File system tool.
*/
final class FileSystem
{
/**
* Creates a directory if it does not exist, including parent directories.
* @throws Nette\IOException on error occurred
*/
public static function createDir(string $dir, int $mode = 0777) : void
{
if (!\is_dir($dir) && !@\mkdir($dir, $mode, \true) && !\is_dir($dir)) {
// @ - dir may already exist
throw new Nette\IOException(\sprintf("Unable to create directory '%s' with mode %s. %s", self::normalizePath($dir), \decoct($mode), Helpers::getLastError()));
}
}
/**
* Copies a file or an entire directory. Overwrites existing files and directories by default.
* @throws Nette\IOException on error occurred
* @throws Nette\InvalidStateException if $overwrite is set to false and destination already exists
*/
public static function copy(string $origin, string $target, bool $overwrite = \true) : void
{
if (\stream_is_local($origin) && !\file_exists($origin)) {
throw new Nette\IOException(\sprintf("File or directory '%s' not found.", self::normalizePath($origin)));
} elseif (!$overwrite && \file_exists($target)) {
throw new Nette\InvalidStateException(\sprintf("File or directory '%s' already exists.", self::normalizePath($target)));
} elseif (\is_dir($origin)) {
static::createDir($target);
foreach (new \FilesystemIterator($target) as $item) {
static::delete($item->getPathname());
}
foreach ($iterator = new \RecursiveIteratorIterator(new \RecursiveDirectoryIterator($origin, \RecursiveDirectoryIterator::SKIP_DOTS), \RecursiveIteratorIterator::SELF_FIRST) as $item) {
if ($item->isDir()) {
static::createDir($target . '/' . $iterator->getSubPathName());
} else {
static::copy($item->getPathname(), $target . '/' . $iterator->getSubPathName());
}
}
} else {
static::createDir(\dirname($target));
if (@\stream_copy_to_stream(static::open($origin, 'rb'), static::open($target, 'wb')) === \false) {
// @ is escalated to exception
throw new Nette\IOException(\sprintf("Unable to copy file '%s' to '%s'. %s", self::normalizePath($origin), self::normalizePath($target), Helpers::getLastError()));
}
}
}
/**
* Opens file and returns resource.
* @return resource
* @throws Nette\IOException on error occurred
*/
public static function open(string $path, string $mode)
{
$f = @\fopen($path, $mode);
// @ is escalated to exception
if (!$f) {
throw new Nette\IOException(\sprintf("Unable to open file '%s'. %s", self::normalizePath($path), Helpers::getLastError()));
}
return $f;
}
/**
* Deletes a file or an entire directory if exists. If the directory is not empty, it deletes its contents first.
* @throws Nette\IOException on error occurred
*/
public static function delete(string $path) : void
{
if (\is_file($path) || \is_link($path)) {
$func = \DIRECTORY_SEPARATOR === '\\' && \is_dir($path) ? 'rmdir' : 'unlink';
if (!@$func($path)) {
// @ is escalated to exception
throw new Nette\IOException(\sprintf("Unable to delete '%s'. %s", self::normalizePath($path), Helpers::getLastError()));
}
} elseif (\is_dir($path)) {
foreach (new \FilesystemIterator($path) as $item) {
static::delete($item->getPathname());
}
if (!@\rmdir($path)) {
// @ is escalated to exception
throw new Nette\IOException(\sprintf("Unable to delete directory '%s'. %s", self::normalizePath($path), Helpers::getLastError()));
}
}
}
/**
* Renames or moves a file or a directory. Overwrites existing files and directories by default.
* @throws Nette\IOException on error occurred
* @throws Nette\InvalidStateException if $overwrite is set to false and destination already exists
*/
public static function rename(string $origin, string $target, bool $overwrite = \true) : void
{
if (!$overwrite && \file_exists($target)) {
throw new Nette\InvalidStateException(\sprintf("File or directory '%s' already exists.", self::normalizePath($target)));
} elseif (!\file_exists($origin)) {
throw new Nette\IOException(\sprintf("File or directory '%s' not found.", self::normalizePath($origin)));
} else {
static::createDir(\dirname($target));
if (\realpath($origin) !== \realpath($target)) {
static::delete($target);
}
if (!@\rename($origin, $target)) {
// @ is escalated to exception
throw new Nette\IOException(\sprintf("Unable to rename file or directory '%s' to '%s'. %s", self::normalizePath($origin), self::normalizePath($target), Helpers::getLastError()));
}
}
}
/**
* Reads the content of a file.
* @throws Nette\IOException on error occurred
*/
public static function read(string $file) : string
{
$content = @\file_get_contents($file);
// @ is escalated to exception
if ($content === \false) {
throw new Nette\IOException(\sprintf("Unable to read file '%s'. %s", self::normalizePath($file), Helpers::getLastError()));
}
return $content;
}
/**
* Reads the file content line by line. Because it reads continuously as we iterate over the lines,
* it is possible to read files larger than the available memory.
* @return \Generator<int, string>
* @throws Nette\IOException on error occurred
*/
public static function readLines(string $file, bool $stripNewLines = \true) : \Generator
{
return (function ($f) use($file, $stripNewLines) {
$counter = 0;
do {
$line = Callback::invokeSafe('fgets', [$f], function ($error) use($file) {
throw new Nette\IOException(\sprintf("Unable to read file '%s'. %s", self::normalizePath($file), $error));
});
if ($line === \false) {
\fclose($f);
break;
}
if ($stripNewLines) {
$line = \rtrim($line, "\r\n");
}
(yield $counter++ => $line);
} while (\true);
})(static::open($file, 'r'));
}
/**
* Writes the string to a file.
* @throws Nette\IOException on error occurred
*/
public static function write(string $file, string $content, ?int $mode = 0666) : void
{
static::createDir(\dirname($file));
if (@\file_put_contents($file, $content) === \false) {
// @ is escalated to exception
throw new Nette\IOException(\sprintf("Unable to write file '%s'. %s", self::normalizePath($file), Helpers::getLastError()));
}
if ($mode !== null && !@\chmod($file, $mode)) {
// @ is escalated to exception
throw new Nette\IOException(\sprintf("Unable to chmod file '%s' to mode %s. %s", self::normalizePath($file), \decoct($mode), Helpers::getLastError()));
}
}
/**
* Sets file permissions to `$fileMode` or directory permissions to `$dirMode`.
* Recursively traverses and sets permissions on the entire contents of the directory as well.
* @throws Nette\IOException on error occurred
*/
public static function makeWritable(string $path, int $dirMode = 0777, int $fileMode = 0666) : void
{
if (\is_file($path)) {
if (!@\chmod($path, $fileMode)) {
// @ is escalated to exception
throw new Nette\IOException(\sprintf("Unable to chmod file '%s' to mode %s. %s", self::normalizePath($path), \decoct($fileMode), Helpers::getLastError()));
}
} elseif (\is_dir($path)) {
foreach (new \FilesystemIterator($path) as $item) {
static::makeWritable($item->getPathname(), $dirMode, $fileMode);
}
if (!@\chmod($path, $dirMode)) {
// @ is escalated to exception
throw new Nette\IOException(\sprintf("Unable to chmod directory '%s' to mode %s. %s", self::normalizePath($path), \decoct($dirMode), Helpers::getLastError()));
}
} else {
throw new Nette\IOException(\sprintf("File or directory '%s' not found.", self::normalizePath($path)));
}
}
/**
* Determines if the path is absolute.
*/
public static function isAbsolute(string $path) : bool
{
return (bool) \preg_match('#([a-z]:)?[/\\\\]|[a-z][a-z0-9+.-]*://#Ai', $path);
}
/**
* Normalizes `..` and `.` and directory separators in path.
*/
public static function normalizePath(string $path) : string
{
$parts = $path === '' ? [] : \preg_split('~[/\\\\]+~', $path);
$res = [];
foreach ($parts as $part) {
if ($part === '..' && $res && \end($res) !== '..' && \end($res) !== '') {
\array_pop($res);
} elseif ($part !== '.') {
$res[] = $part;
}
}
return $res === [''] ? \DIRECTORY_SEPARATOR : \implode(\DIRECTORY_SEPARATOR, $res);
}
/**
* Joins all segments of the path and normalizes the result.
*/
public static function joinPaths(string ...$paths) : string
{
return self::normalizePath(\implode('/', $paths));
}
/**
* Converts backslashes to slashes.
*/
public static function unixSlashes(string $path) : string
{
return \strtr($path, '\\', '/');
}
/**
* Converts slashes to platform-specific directory separators.
*/
public static function platformSlashes(string $path) : string
{
return \DIRECTORY_SEPARATOR === '/' ? \strtr($path, '\\', '/') : \str_replace(':\\\\', '://', \strtr($path, '/', '\\'));
// protocol://
}
}