89 lines
2.2 KiB
PHP
89 lines
2.2 KiB
PHP
<?php
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class Application_Common_OsPath
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{
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// this function is from https://stackoverflow.com/questions/2670299/is-there-a-php-equivalent-function-to-the-python-os-path-normpath
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public static function normpath($path)
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{
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if (empty($path)) {
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return '.';
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}
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if (strpos($path, '/') === 0) {
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$initial_slashes = true;
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} else {
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$initial_slashes = false;
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}
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if (
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$initial_slashes
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&& (strpos($path, '//') === 0)
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&& (strpos($path, '///') === false)
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) {
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$initial_slashes = 2;
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}
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$initial_slashes = (int) $initial_slashes;
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$comps = explode('/', $path);
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$new_comps = [];
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foreach ($comps as $comp) {
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if (in_array($comp, ['', '.'])) {
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continue;
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}
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if (
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($comp != '..')
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|| (!$initial_slashes && !$new_comps)
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|| ($new_comps && (end($new_comps) == '..'))
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) {
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array_push($new_comps, $comp);
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} elseif ($new_comps) {
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array_pop($new_comps);
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}
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}
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$comps = $new_comps;
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$path = implode('/', $comps);
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if ($initial_slashes) {
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$path = str_repeat('/', $initial_slashes) . $path;
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}
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if ($path) {
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return $path;
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}
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return '.';
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}
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/* Similar to the os.path.join python method
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* https://stackoverflow.com/a/1782990/276949 */
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public static function join()
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{
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$args = func_get_args();
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$paths = [];
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foreach ($args as $arg) {
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$paths = array_merge($paths, (array) $arg);
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}
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foreach ($paths as &$path) {
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$path = trim($path, DIRECTORY_SEPARATOR);
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}
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if (substr($args[0], 0, 1) == DIRECTORY_SEPARATOR) {
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$paths[0] = DIRECTORY_SEPARATOR . $paths[0];
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}
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return implode(DIRECTORY_SEPARATOR, $paths);
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}
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public static function formatDirectoryWithDirectorySeparators($dir)
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{
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if ($dir[0] != '/') {
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$dir = '/' . $dir;
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}
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if ($dir[strlen($dir) - 1] != '/') {
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$dir .= '/';
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}
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return $dir;
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}
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}
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