/src/Composer/Util/Filesystem.php
PHP | 153 lines | 108 code | 18 blank | 27 comment | 20 complexity | b7546689e132401c8b7ae7c74a1a35a9 MD5 | raw file
- <?php
- /*
- * This file is part of Composer.
- *
- * (c) Nils Adermann <naderman@naderman.de>
- * Jordi Boggiano <j.boggiano@seld.be>
- *
- * For the full copyright and license information, please view the LICENSE
- * file that was distributed with this source code.
- */
- namespace Composer\Util;
- /**
- * @author Jordi Boggiano <j.boggiano@seld.be>
- */
- class Filesystem
- {
- public function removeDirectory($directory)
- {
- if (!is_dir($directory)) {
- return true;
- }
- if (defined('PHP_WINDOWS_VERSION_BUILD')) {
- $cmd = sprintf('rmdir /S /Q %s', escapeshellarg(realpath($directory)));
- } else {
- $cmd = sprintf('rm -rf %s', escapeshellarg($directory));
- }
- $result = $this->getProcess()->execute($cmd) === 0;
- // clear stat cache because external processes aren't tracked by the php stat cache
- clearstatcache();
- return $result && !is_dir($directory);
- }
- public function ensureDirectoryExists($directory)
- {
- if (!is_dir($directory)) {
- if (file_exists($directory)) {
- throw new \RuntimeException(
- $directory.' exists and is not a directory.'
- );
- }
- if (!mkdir($directory, 0777, true)) {
- throw new \RuntimeException(
- $directory.' does not exist and could not be created.'
- );
- }
- }
- }
- /**
- * Returns the shortest path from $from to $to
- *
- * @param string $from
- * @param string $to
- * @param bool $directories if true, the source/target are considered to be directories
- * @return string
- */
- public function findShortestPath($from, $to, $directories = false)
- {
- if (!$this->isAbsolutePath($from) || !$this->isAbsolutePath($to)) {
- throw new \InvalidArgumentException(sprintf('$from (%s) and $to (%s) must be absolute paths.', $from, $to));
- }
- $from = lcfirst(rtrim(strtr($from, '\\', '/'), '/'));
- $to = lcfirst(rtrim(strtr($to, '\\', '/'), '/'));
- if ($directories) {
- $from .= '/dummy_file';
- }
- if (dirname($from) === dirname($to)) {
- return './'.basename($to);
- }
- $commonPath = $to;
- while (strpos($from, $commonPath) !== 0 && '/' !== $commonPath && !preg_match('{^[a-z]:/?$}i', $commonPath) && '.' !== $commonPath) {
- $commonPath = strtr(dirname($commonPath), '\\', '/');
- }
- if (0 !== strpos($from, $commonPath) || '/' === $commonPath || '.' === $commonPath) {
- return $to;
- }
- $commonPath = rtrim($commonPath, '/') . '/';
- $sourcePathDepth = substr_count(substr($from, strlen($commonPath)), '/');
- $commonPathCode = str_repeat('../', $sourcePathDepth);
- return ($commonPathCode . substr($to, strlen($commonPath))) ?: './';
- }
- /**
- * Returns PHP code that, when executed in $from, will return the path to $to
- *
- * @param string $from
- * @param string $to
- * @param bool $directories if true, the source/target are considered to be directories
- * @return string
- */
- public function findShortestPathCode($from, $to, $directories = false)
- {
- if (!$this->isAbsolutePath($from) || !$this->isAbsolutePath($to)) {
- throw new \InvalidArgumentException(sprintf('$from (%s) and $to (%s) must be absolute paths.', $from, $to));
- }
- $from = lcfirst(strtr($from, '\\', '/'));
- $to = lcfirst(strtr($to, '\\', '/'));
- if ($from === $to) {
- return $directories ? '__DIR__' : '__FILE__';
- }
- $commonPath = $to;
- while (strpos($from, $commonPath) !== 0 && '/' !== $commonPath && !preg_match('{^[a-z]:/?$}i', $commonPath) && '.' !== $commonPath) {
- $commonPath = strtr(dirname($commonPath), '\\', '/');
- }
- if (0 !== strpos($from, $commonPath) || '/' === $commonPath || '.' === $commonPath) {
- return var_export($to, true);
- }
- $commonPath = rtrim($commonPath, '/') . '/';
- if (strpos($to, $from.'/') === 0) {
- return '__DIR__ . '.var_export(substr($to, strlen($from)), true);
- }
- $sourcePathDepth = substr_count(substr($from, strlen($commonPath)), '/') + $directories;
- $commonPathCode = str_repeat('dirname(', $sourcePathDepth).'__DIR__'.str_repeat(')', $sourcePathDepth);
- $relTarget = substr($to, strlen($commonPath));
- return $commonPathCode . (strlen($relTarget) ? '.' . var_export('/' . $relTarget, true) : '');
- }
- /**
- * Checks if the given path is absolute
- *
- * @param string $path
- * @return bool
- */
- public function isAbsolutePath($path)
- {
- return substr($path, 0, 1) === '/' || substr($path, 1, 1) === ':';
- }
- protected function getProcess()
- {
- return new ProcessExecutor;
- }
- }