820 lines
25 KiB
PHP
820 lines
25 KiB
PHP
<?php
|
|
|
|
/*
|
|
* This file is part of the Symfony package.
|
|
*
|
|
* (c) Fabien Potencier <fabien@symfony.com>
|
|
*
|
|
* For the full copyright and license information, please view the LICENSE
|
|
* file that was distributed with this source code.
|
|
*/
|
|
|
|
namespace Symfony\Component\Filesystem;
|
|
|
|
use Symfony\Component\Filesystem\Exception\InvalidArgumentException;
|
|
use Symfony\Component\Filesystem\Exception\RuntimeException;
|
|
|
|
/**
|
|
* Contains utility methods for handling path strings.
|
|
*
|
|
* The methods in this class are able to deal with both UNIX and Windows paths
|
|
* with both forward and backward slashes. All methods return normalized parts
|
|
* containing only forward slashes and no excess "." and ".." segments.
|
|
*
|
|
* @author Bernhard Schussek <bschussek@gmail.com>
|
|
* @author Thomas Schulz <mail@king2500.net>
|
|
* @author Théo Fidry <theo.fidry@gmail.com>
|
|
*/
|
|
final class Path
|
|
{
|
|
/**
|
|
* The number of buffer entries that triggers a cleanup operation.
|
|
*/
|
|
private const CLEANUP_THRESHOLD = 1250;
|
|
|
|
/**
|
|
* The buffer size after the cleanup operation.
|
|
*/
|
|
private const CLEANUP_SIZE = 1000;
|
|
|
|
/**
|
|
* Buffers input/output of {@link canonicalize()}.
|
|
*
|
|
* @var array<string, string>
|
|
*/
|
|
private static $buffer = [];
|
|
|
|
/**
|
|
* @var int
|
|
*/
|
|
private static $bufferSize = 0;
|
|
|
|
/**
|
|
* Canonicalizes the given path.
|
|
*
|
|
* During normalization, all slashes are replaced by forward slashes ("/").
|
|
* Furthermore, all "." and ".." segments are removed as far as possible.
|
|
* ".." segments at the beginning of relative paths are not removed.
|
|
*
|
|
* ```php
|
|
* echo Path::canonicalize("\symfony\puli\..\css\style.css");
|
|
* // => /symfony/css/style.css
|
|
*
|
|
* echo Path::canonicalize("../css/./style.css");
|
|
* // => ../css/style.css
|
|
* ```
|
|
*
|
|
* This method is able to deal with both UNIX and Windows paths.
|
|
*/
|
|
public static function canonicalize(string $path): string
|
|
{
|
|
if ('' === $path) {
|
|
return '';
|
|
}
|
|
|
|
// This method is called by many other methods in this class. Buffer
|
|
// the canonicalized paths to make up for the severe performance
|
|
// decrease.
|
|
if (isset(self::$buffer[$path])) {
|
|
return self::$buffer[$path];
|
|
}
|
|
|
|
// Replace "~" with user's home directory.
|
|
if ('~' === $path[0]) {
|
|
$path = self::getHomeDirectory().substr($path, 1);
|
|
}
|
|
|
|
$path = self::normalize($path);
|
|
|
|
[$root, $pathWithoutRoot] = self::split($path);
|
|
|
|
$canonicalParts = self::findCanonicalParts($root, $pathWithoutRoot);
|
|
|
|
// Add the root directory again
|
|
self::$buffer[$path] = $canonicalPath = $root.implode('/', $canonicalParts);
|
|
++self::$bufferSize;
|
|
|
|
// Clean up regularly to prevent memory leaks
|
|
if (self::$bufferSize > self::CLEANUP_THRESHOLD) {
|
|
self::$buffer = \array_slice(self::$buffer, -self::CLEANUP_SIZE, null, true);
|
|
self::$bufferSize = self::CLEANUP_SIZE;
|
|
}
|
|
|
|
return $canonicalPath;
|
|
}
|
|
|
|
/**
|
|
* Normalizes the given path.
|
|
*
|
|
* During normalization, all slashes are replaced by forward slashes ("/").
|
|
* Contrary to {@link canonicalize()}, this method does not remove invalid
|
|
* or dot path segments. Consequently, it is much more efficient and should
|
|
* be used whenever the given path is known to be a valid, absolute system
|
|
* path.
|
|
*
|
|
* This method is able to deal with both UNIX and Windows paths.
|
|
*/
|
|
public static function normalize(string $path): string
|
|
{
|
|
return str_replace('\\', '/', $path);
|
|
}
|
|
|
|
/**
|
|
* Returns the directory part of the path.
|
|
*
|
|
* This method is similar to PHP's dirname(), but handles various cases
|
|
* where dirname() returns a weird result:
|
|
*
|
|
* - dirname() does not accept backslashes on UNIX
|
|
* - dirname("C:/symfony") returns "C:", not "C:/"
|
|
* - dirname("C:/") returns ".", not "C:/"
|
|
* - dirname("C:") returns ".", not "C:/"
|
|
* - dirname("symfony") returns ".", not ""
|
|
* - dirname() does not canonicalize the result
|
|
*
|
|
* This method fixes these shortcomings and behaves like dirname()
|
|
* otherwise.
|
|
*
|
|
* The result is a canonical path.
|
|
*
|
|
* @return string The canonical directory part. Returns the root directory
|
|
* if the root directory is passed. Returns an empty string
|
|
* if a relative path is passed that contains no slashes.
|
|
* Returns an empty string if an empty string is passed.
|
|
*/
|
|
public static function getDirectory(string $path): string
|
|
{
|
|
if ('' === $path) {
|
|
return '';
|
|
}
|
|
|
|
$path = self::canonicalize($path);
|
|
|
|
// Maintain scheme
|
|
if (false !== $schemeSeparatorPosition = strpos($path, '://')) {
|
|
$scheme = substr($path, 0, $schemeSeparatorPosition + 3);
|
|
$path = substr($path, $schemeSeparatorPosition + 3);
|
|
} else {
|
|
$scheme = '';
|
|
}
|
|
|
|
if (false === $dirSeparatorPosition = strrpos($path, '/')) {
|
|
return '';
|
|
}
|
|
|
|
// Directory equals root directory "/"
|
|
if (0 === $dirSeparatorPosition) {
|
|
return $scheme.'/';
|
|
}
|
|
|
|
// Directory equals Windows root "C:/"
|
|
if (2 === $dirSeparatorPosition && ctype_alpha($path[0]) && ':' === $path[1]) {
|
|
return $scheme.substr($path, 0, 3);
|
|
}
|
|
|
|
return $scheme.substr($path, 0, $dirSeparatorPosition);
|
|
}
|
|
|
|
/**
|
|
* Returns canonical path of the user's home directory.
|
|
*
|
|
* Supported operating systems:
|
|
*
|
|
* - UNIX
|
|
* - Windows8 and upper
|
|
*
|
|
* If your operating system or environment isn't supported, an exception is thrown.
|
|
*
|
|
* The result is a canonical path.
|
|
*
|
|
* @throws RuntimeException If your operating system or environment isn't supported
|
|
*/
|
|
public static function getHomeDirectory(): string
|
|
{
|
|
// For UNIX support
|
|
if (getenv('HOME')) {
|
|
return self::canonicalize(getenv('HOME'));
|
|
}
|
|
|
|
// For >= Windows8 support
|
|
if (getenv('HOMEDRIVE') && getenv('HOMEPATH')) {
|
|
return self::canonicalize(getenv('HOMEDRIVE').getenv('HOMEPATH'));
|
|
}
|
|
|
|
throw new RuntimeException("Cannot find the home directory path: Your environment or operating system isn't supported.");
|
|
}
|
|
|
|
/**
|
|
* Returns the root directory of a path.
|
|
*
|
|
* The result is a canonical path.
|
|
*
|
|
* @return string The canonical root directory. Returns an empty string if
|
|
* the given path is relative or empty.
|
|
*/
|
|
public static function getRoot(string $path): string
|
|
{
|
|
if ('' === $path) {
|
|
return '';
|
|
}
|
|
|
|
// Maintain scheme
|
|
if (false !== $schemeSeparatorPosition = strpos($path, '://')) {
|
|
$scheme = substr($path, 0, $schemeSeparatorPosition + 3);
|
|
$path = substr($path, $schemeSeparatorPosition + 3);
|
|
} else {
|
|
$scheme = '';
|
|
}
|
|
|
|
$firstCharacter = $path[0];
|
|
|
|
// UNIX root "/" or "\" (Windows style)
|
|
if ('/' === $firstCharacter || '\\' === $firstCharacter) {
|
|
return $scheme.'/';
|
|
}
|
|
|
|
$length = \strlen($path);
|
|
|
|
// Windows root
|
|
if ($length > 1 && ':' === $path[1] && ctype_alpha($firstCharacter)) {
|
|
// Special case: "C:"
|
|
if (2 === $length) {
|
|
return $scheme.$path.'/';
|
|
}
|
|
|
|
// Normal case: "C:/ or "C:\"
|
|
if ('/' === $path[2] || '\\' === $path[2]) {
|
|
return $scheme.$firstCharacter.$path[1].'/';
|
|
}
|
|
}
|
|
|
|
return '';
|
|
}
|
|
|
|
/**
|
|
* Returns the file name without the extension from a file path.
|
|
*
|
|
* @param string|null $extension if specified, only that extension is cut
|
|
* off (may contain leading dot)
|
|
*/
|
|
public static function getFilenameWithoutExtension(string $path, string $extension = null): string
|
|
{
|
|
if ('' === $path) {
|
|
return '';
|
|
}
|
|
|
|
if (null !== $extension) {
|
|
// remove extension and trailing dot
|
|
return rtrim(basename($path, $extension), '.');
|
|
}
|
|
|
|
return pathinfo($path, \PATHINFO_FILENAME);
|
|
}
|
|
|
|
/**
|
|
* Returns the extension from a file path (without leading dot).
|
|
*
|
|
* @param bool $forceLowerCase forces the extension to be lower-case
|
|
*/
|
|
public static function getExtension(string $path, bool $forceLowerCase = false): string
|
|
{
|
|
if ('' === $path) {
|
|
return '';
|
|
}
|
|
|
|
$extension = pathinfo($path, \PATHINFO_EXTENSION);
|
|
|
|
if ($forceLowerCase) {
|
|
$extension = self::toLower($extension);
|
|
}
|
|
|
|
return $extension;
|
|
}
|
|
|
|
/**
|
|
* Returns whether the path has an (or the specified) extension.
|
|
*
|
|
* @param string $path the path string
|
|
* @param string|string[]|null $extensions if null or not provided, checks if
|
|
* an extension exists, otherwise
|
|
* checks for the specified extension
|
|
* or array of extensions (with or
|
|
* without leading dot)
|
|
* @param bool $ignoreCase whether to ignore case-sensitivity
|
|
*/
|
|
public static function hasExtension(string $path, $extensions = null, bool $ignoreCase = false): bool
|
|
{
|
|
if ('' === $path) {
|
|
return false;
|
|
}
|
|
|
|
$actualExtension = self::getExtension($path, $ignoreCase);
|
|
|
|
// Only check if path has any extension
|
|
if ([] === $extensions || null === $extensions) {
|
|
return '' !== $actualExtension;
|
|
}
|
|
|
|
if (\is_string($extensions)) {
|
|
$extensions = [$extensions];
|
|
}
|
|
|
|
foreach ($extensions as $key => $extension) {
|
|
if ($ignoreCase) {
|
|
$extension = self::toLower($extension);
|
|
}
|
|
|
|
// remove leading '.' in extensions array
|
|
$extensions[$key] = ltrim($extension, '.');
|
|
}
|
|
|
|
return \in_array($actualExtension, $extensions, true);
|
|
}
|
|
|
|
/**
|
|
* Changes the extension of a path string.
|
|
*
|
|
* @param string $path The path string with filename.ext to change.
|
|
* @param string $extension new extension (with or without leading dot)
|
|
*
|
|
* @return string the path string with new file extension
|
|
*/
|
|
public static function changeExtension(string $path, string $extension): string
|
|
{
|
|
if ('' === $path) {
|
|
return '';
|
|
}
|
|
|
|
$actualExtension = self::getExtension($path);
|
|
$extension = ltrim($extension, '.');
|
|
|
|
// No extension for paths
|
|
if ('/' === substr($path, -1)) {
|
|
return $path;
|
|
}
|
|
|
|
// No actual extension in path
|
|
if (empty($actualExtension)) {
|
|
return $path.('.' === substr($path, -1) ? '' : '.').$extension;
|
|
}
|
|
|
|
return substr($path, 0, -\strlen($actualExtension)).$extension;
|
|
}
|
|
|
|
public static function isAbsolute(string $path): bool
|
|
{
|
|
if ('' === $path) {
|
|
return false;
|
|
}
|
|
|
|
// Strip scheme
|
|
if (false !== $schemeSeparatorPosition = strpos($path, '://')) {
|
|
$path = substr($path, $schemeSeparatorPosition + 3);
|
|
}
|
|
|
|
$firstCharacter = $path[0];
|
|
|
|
// UNIX root "/" or "\" (Windows style)
|
|
if ('/' === $firstCharacter || '\\' === $firstCharacter) {
|
|
return true;
|
|
}
|
|
|
|
// Windows root
|
|
if (\strlen($path) > 1 && ctype_alpha($firstCharacter) && ':' === $path[1]) {
|
|
// Special case: "C:"
|
|
if (2 === \strlen($path)) {
|
|
return true;
|
|
}
|
|
|
|
// Normal case: "C:/ or "C:\"
|
|
if ('/' === $path[2] || '\\' === $path[2]) {
|
|
return true;
|
|
}
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
public static function isRelative(string $path): bool
|
|
{
|
|
return !self::isAbsolute($path);
|
|
}
|
|
|
|
/**
|
|
* Turns a relative path into an absolute path in canonical form.
|
|
*
|
|
* Usually, the relative path is appended to the given base path. Dot
|
|
* segments ("." and "..") are removed/collapsed and all slashes turned
|
|
* into forward slashes.
|
|
*
|
|
* ```php
|
|
* echo Path::makeAbsolute("../style.css", "/symfony/puli/css");
|
|
* // => /symfony/puli/style.css
|
|
* ```
|
|
*
|
|
* If an absolute path is passed, that path is returned unless its root
|
|
* directory is different than the one of the base path. In that case, an
|
|
* exception is thrown.
|
|
*
|
|
* ```php
|
|
* Path::makeAbsolute("/style.css", "/symfony/puli/css");
|
|
* // => /style.css
|
|
*
|
|
* Path::makeAbsolute("C:/style.css", "C:/symfony/puli/css");
|
|
* // => C:/style.css
|
|
*
|
|
* Path::makeAbsolute("C:/style.css", "/symfony/puli/css");
|
|
* // InvalidArgumentException
|
|
* ```
|
|
*
|
|
* If the base path is not an absolute path, an exception is thrown.
|
|
*
|
|
* The result is a canonical path.
|
|
*
|
|
* @param string $basePath an absolute base path
|
|
*
|
|
* @throws InvalidArgumentException if the base path is not absolute or if
|
|
* the given path is an absolute path with
|
|
* a different root than the base path
|
|
*/
|
|
public static function makeAbsolute(string $path, string $basePath): string
|
|
{
|
|
if ('' === $basePath) {
|
|
throw new InvalidArgumentException(sprintf('The base path must be a non-empty string. Got: "%s".', $basePath));
|
|
}
|
|
|
|
if (!self::isAbsolute($basePath)) {
|
|
throw new InvalidArgumentException(sprintf('The base path "%s" is not an absolute path.', $basePath));
|
|
}
|
|
|
|
if (self::isAbsolute($path)) {
|
|
return self::canonicalize($path);
|
|
}
|
|
|
|
if (false !== $schemeSeparatorPosition = strpos($basePath, '://')) {
|
|
$scheme = substr($basePath, 0, $schemeSeparatorPosition + 3);
|
|
$basePath = substr($basePath, $schemeSeparatorPosition + 3);
|
|
} else {
|
|
$scheme = '';
|
|
}
|
|
|
|
return $scheme.self::canonicalize(rtrim($basePath, '/\\').'/'.$path);
|
|
}
|
|
|
|
/**
|
|
* Turns a path into a relative path.
|
|
*
|
|
* The relative path is created relative to the given base path:
|
|
*
|
|
* ```php
|
|
* echo Path::makeRelative("/symfony/style.css", "/symfony/puli");
|
|
* // => ../style.css
|
|
* ```
|
|
*
|
|
* If a relative path is passed and the base path is absolute, the relative
|
|
* path is returned unchanged:
|
|
*
|
|
* ```php
|
|
* Path::makeRelative("style.css", "/symfony/puli/css");
|
|
* // => style.css
|
|
* ```
|
|
*
|
|
* If both paths are relative, the relative path is created with the
|
|
* assumption that both paths are relative to the same directory:
|
|
*
|
|
* ```php
|
|
* Path::makeRelative("style.css", "symfony/puli/css");
|
|
* // => ../../../style.css
|
|
* ```
|
|
*
|
|
* If both paths are absolute, their root directory must be the same,
|
|
* otherwise an exception is thrown:
|
|
*
|
|
* ```php
|
|
* Path::makeRelative("C:/symfony/style.css", "/symfony/puli");
|
|
* // InvalidArgumentException
|
|
* ```
|
|
*
|
|
* If the passed path is absolute, but the base path is not, an exception
|
|
* is thrown as well:
|
|
*
|
|
* ```php
|
|
* Path::makeRelative("/symfony/style.css", "symfony/puli");
|
|
* // InvalidArgumentException
|
|
* ```
|
|
*
|
|
* If the base path is not an absolute path, an exception is thrown.
|
|
*
|
|
* The result is a canonical path.
|
|
*
|
|
* @throws InvalidArgumentException if the base path is not absolute or if
|
|
* the given path has a different root
|
|
* than the base path
|
|
*/
|
|
public static function makeRelative(string $path, string $basePath): string
|
|
{
|
|
$path = self::canonicalize($path);
|
|
$basePath = self::canonicalize($basePath);
|
|
|
|
[$root, $relativePath] = self::split($path);
|
|
[$baseRoot, $relativeBasePath] = self::split($basePath);
|
|
|
|
// If the base path is given as absolute path and the path is already
|
|
// relative, consider it to be relative to the given absolute path
|
|
// already
|
|
if ('' === $root && '' !== $baseRoot) {
|
|
// If base path is already in its root
|
|
if ('' === $relativeBasePath) {
|
|
$relativePath = ltrim($relativePath, './\\');
|
|
}
|
|
|
|
return $relativePath;
|
|
}
|
|
|
|
// If the passed path is absolute, but the base path is not, we
|
|
// cannot generate a relative path
|
|
if ('' !== $root && '' === $baseRoot) {
|
|
throw new InvalidArgumentException(sprintf('The absolute path "%s" cannot be made relative to the relative path "%s". You should provide an absolute base path instead.', $path, $basePath));
|
|
}
|
|
|
|
// Fail if the roots of the two paths are different
|
|
if ($baseRoot && $root !== $baseRoot) {
|
|
throw new InvalidArgumentException(sprintf('The path "%s" cannot be made relative to "%s", because they have different roots ("%s" and "%s").', $path, $basePath, $root, $baseRoot));
|
|
}
|
|
|
|
if ('' === $relativeBasePath) {
|
|
return $relativePath;
|
|
}
|
|
|
|
// Build a "../../" prefix with as many "../" parts as necessary
|
|
$parts = explode('/', $relativePath);
|
|
$baseParts = explode('/', $relativeBasePath);
|
|
$dotDotPrefix = '';
|
|
|
|
// Once we found a non-matching part in the prefix, we need to add
|
|
// "../" parts for all remaining parts
|
|
$match = true;
|
|
|
|
foreach ($baseParts as $index => $basePart) {
|
|
if ($match && isset($parts[$index]) && $basePart === $parts[$index]) {
|
|
unset($parts[$index]);
|
|
|
|
continue;
|
|
}
|
|
|
|
$match = false;
|
|
$dotDotPrefix .= '../';
|
|
}
|
|
|
|
return rtrim($dotDotPrefix.implode('/', $parts), '/');
|
|
}
|
|
|
|
/**
|
|
* Returns whether the given path is on the local filesystem.
|
|
*/
|
|
public static function isLocal(string $path): bool
|
|
{
|
|
return '' !== $path && false === strpos($path, '://');
|
|
}
|
|
|
|
/**
|
|
* Returns the longest common base path in canonical form of a set of paths or
|
|
* `null` if the paths are on different Windows partitions.
|
|
*
|
|
* Dot segments ("." and "..") are removed/collapsed and all slashes turned
|
|
* into forward slashes.
|
|
*
|
|
* ```php
|
|
* $basePath = Path::getLongestCommonBasePath(
|
|
* '/symfony/css/style.css',
|
|
* '/symfony/css/..'
|
|
* );
|
|
* // => /symfony
|
|
* ```
|
|
*
|
|
* The root is returned if no common base path can be found:
|
|
*
|
|
* ```php
|
|
* $basePath = Path::getLongestCommonBasePath(
|
|
* '/symfony/css/style.css',
|
|
* '/puli/css/..'
|
|
* );
|
|
* // => /
|
|
* ```
|
|
*
|
|
* If the paths are located on different Windows partitions, `null` is
|
|
* returned.
|
|
*
|
|
* ```php
|
|
* $basePath = Path::getLongestCommonBasePath(
|
|
* 'C:/symfony/css/style.css',
|
|
* 'D:/symfony/css/..'
|
|
* );
|
|
* // => null
|
|
* ```
|
|
*/
|
|
public static function getLongestCommonBasePath(string ...$paths): ?string
|
|
{
|
|
[$bpRoot, $basePath] = self::split(self::canonicalize(reset($paths)));
|
|
|
|
for (next($paths); null !== key($paths) && '' !== $basePath; next($paths)) {
|
|
[$root, $path] = self::split(self::canonicalize(current($paths)));
|
|
|
|
// If we deal with different roots (e.g. C:/ vs. D:/), it's time
|
|
// to quit
|
|
if ($root !== $bpRoot) {
|
|
return null;
|
|
}
|
|
|
|
// Make the base path shorter until it fits into path
|
|
while (true) {
|
|
if ('.' === $basePath) {
|
|
// No more base paths
|
|
$basePath = '';
|
|
|
|
// next path
|
|
continue 2;
|
|
}
|
|
|
|
// Prevent false positives for common prefixes
|
|
// see isBasePath()
|
|
if (0 === strpos($path.'/', $basePath.'/')) {
|
|
// next path
|
|
continue 2;
|
|
}
|
|
|
|
$basePath = \dirname($basePath);
|
|
}
|
|
}
|
|
|
|
return $bpRoot.$basePath;
|
|
}
|
|
|
|
/**
|
|
* Joins two or more path strings into a canonical path.
|
|
*/
|
|
public static function join(string ...$paths): string
|
|
{
|
|
$finalPath = null;
|
|
$wasScheme = false;
|
|
|
|
foreach ($paths as $path) {
|
|
if ('' === $path) {
|
|
continue;
|
|
}
|
|
|
|
if (null === $finalPath) {
|
|
// For first part we keep slashes, like '/top', 'C:\' or 'phar://'
|
|
$finalPath = $path;
|
|
$wasScheme = (false !== strpos($path, '://'));
|
|
continue;
|
|
}
|
|
|
|
// Only add slash if previous part didn't end with '/' or '\'
|
|
if (!\in_array(substr($finalPath, -1), ['/', '\\'])) {
|
|
$finalPath .= '/';
|
|
}
|
|
|
|
// If first part included a scheme like 'phar://' we allow \current part to start with '/', otherwise trim
|
|
$finalPath .= $wasScheme ? $path : ltrim($path, '/');
|
|
$wasScheme = false;
|
|
}
|
|
|
|
if (null === $finalPath) {
|
|
return '';
|
|
}
|
|
|
|
return self::canonicalize($finalPath);
|
|
}
|
|
|
|
/**
|
|
* Returns whether a path is a base path of another path.
|
|
*
|
|
* Dot segments ("." and "..") are removed/collapsed and all slashes turned
|
|
* into forward slashes.
|
|
*
|
|
* ```php
|
|
* Path::isBasePath('/symfony', '/symfony/css');
|
|
* // => true
|
|
*
|
|
* Path::isBasePath('/symfony', '/symfony');
|
|
* // => true
|
|
*
|
|
* Path::isBasePath('/symfony', '/symfony/..');
|
|
* // => false
|
|
*
|
|
* Path::isBasePath('/symfony', '/puli');
|
|
* // => false
|
|
* ```
|
|
*/
|
|
public static function isBasePath(string $basePath, string $ofPath): bool
|
|
{
|
|
$basePath = self::canonicalize($basePath);
|
|
$ofPath = self::canonicalize($ofPath);
|
|
|
|
// Append slashes to prevent false positives when two paths have
|
|
// a common prefix, for example /base/foo and /base/foobar.
|
|
// Don't append a slash for the root "/", because then that root
|
|
// won't be discovered as common prefix ("//" is not a prefix of
|
|
// "/foobar/").
|
|
return 0 === strpos($ofPath.'/', rtrim($basePath, '/').'/');
|
|
}
|
|
|
|
/**
|
|
* @return string[]
|
|
*/
|
|
private static function findCanonicalParts(string $root, string $pathWithoutRoot): array
|
|
{
|
|
$parts = explode('/', $pathWithoutRoot);
|
|
|
|
$canonicalParts = [];
|
|
|
|
// Collapse "." and "..", if possible
|
|
foreach ($parts as $part) {
|
|
if ('.' === $part || '' === $part) {
|
|
continue;
|
|
}
|
|
|
|
// Collapse ".." with the previous part, if one exists
|
|
// Don't collapse ".." if the previous part is also ".."
|
|
if ('..' === $part && \count($canonicalParts) > 0 && '..' !== $canonicalParts[\count($canonicalParts) - 1]) {
|
|
array_pop($canonicalParts);
|
|
|
|
continue;
|
|
}
|
|
|
|
// Only add ".." prefixes for relative paths
|
|
if ('..' !== $part || '' === $root) {
|
|
$canonicalParts[] = $part;
|
|
}
|
|
}
|
|
|
|
return $canonicalParts;
|
|
}
|
|
|
|
/**
|
|
* Splits a canonical path into its root directory and the remainder.
|
|
*
|
|
* If the path has no root directory, an empty root directory will be
|
|
* returned.
|
|
*
|
|
* If the root directory is a Windows style partition, the resulting root
|
|
* will always contain a trailing slash.
|
|
*
|
|
* list ($root, $path) = Path::split("C:/symfony")
|
|
* // => ["C:/", "symfony"]
|
|
*
|
|
* list ($root, $path) = Path::split("C:")
|
|
* // => ["C:/", ""]
|
|
*
|
|
* @return array{string, string} an array with the root directory and the remaining relative path
|
|
*/
|
|
private static function split(string $path): array
|
|
{
|
|
if ('' === $path) {
|
|
return ['', ''];
|
|
}
|
|
|
|
// Remember scheme as part of the root, if any
|
|
if (false !== $schemeSeparatorPosition = strpos($path, '://')) {
|
|
$root = substr($path, 0, $schemeSeparatorPosition + 3);
|
|
$path = substr($path, $schemeSeparatorPosition + 3);
|
|
} else {
|
|
$root = '';
|
|
}
|
|
|
|
$length = \strlen($path);
|
|
|
|
// Remove and remember root directory
|
|
if (0 === strpos($path, '/')) {
|
|
$root .= '/';
|
|
$path = $length > 1 ? substr($path, 1) : '';
|
|
} elseif ($length > 1 && ctype_alpha($path[0]) && ':' === $path[1]) {
|
|
if (2 === $length) {
|
|
// Windows special case: "C:"
|
|
$root .= $path.'/';
|
|
$path = '';
|
|
} elseif ('/' === $path[2]) {
|
|
// Windows normal case: "C:/"..
|
|
$root .= substr($path, 0, 3);
|
|
$path = $length > 3 ? substr($path, 3) : '';
|
|
}
|
|
}
|
|
|
|
return [$root, $path];
|
|
}
|
|
|
|
private static function toLower(string $string): string
|
|
{
|
|
if (false !== $encoding = mb_detect_encoding($string, null, true)) {
|
|
return mb_strtolower($string, $encoding);
|
|
}
|
|
|
|
return strtolower($string);
|
|
}
|
|
|
|
private function __construct()
|
|
{
|
|
}
|
|
}
|