165 lines
4.6 KiB
PHP
165 lines
4.6 KiB
PHP
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<?php
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/**
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* Filesystem tools not provided by default; can recursively create, copy
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* and delete folders. Some template methods are provided for extensibility.
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*
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* @note This class must be instantiated to be used, although it does
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* not maintain state.
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*/
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class FSTools
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{
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private static $singleton;
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/**
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* Returns a global instance of FSTools
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*/
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public static function singleton()
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{
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if (empty(FSTools::$singleton)) FSTools::$singleton = new FSTools();
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return FSTools::$singleton;
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}
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/**
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* Sets our global singleton to something else; useful for overloading
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* functions.
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*/
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public static function setSingleton($singleton)
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{
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FSTools::$singleton = $singleton;
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}
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/**
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* Recursively creates a directory
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* @param string $folder Name of folder to create
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* @note Adapted from the PHP manual comment 76612
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*/
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public function mkdirr($folder)
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{
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$folders = preg_split("#[\\\\/]#", $folder);
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$base = '';
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for($i = 0, $c = count($folders); $i < $c; $i++) {
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if(empty($folders[$i])) {
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if (!$i) {
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// special case for root level
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$base .= DIRECTORY_SEPARATOR;
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}
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continue;
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}
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$base .= $folders[$i];
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if(!is_dir($base)){
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$this->mkdir($base);
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}
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$base .= DIRECTORY_SEPARATOR;
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}
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}
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/**
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* Copy a file, or recursively copy a folder and its contents; modified
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* so that copied files, if PHP, have includes removed
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* @note Adapted from http://aidanlister.com/repos/v/function.copyr.php
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*/
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public function copyr($source, $dest)
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{
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// Simple copy for a file
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if (is_file($source)) {
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return $this->copy($source, $dest);
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}
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// Make destination directory
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if (!is_dir($dest)) {
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$this->mkdir($dest);
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}
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// Loop through the folder
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$dir = $this->dir($source);
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while ( false !== ($entry = $dir->read()) ) {
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// Skip pointers
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if ($entry == '.' || $entry == '..') {
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continue;
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}
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if (!$this->copyable($entry)) {
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continue;
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}
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// Deep copy directories
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if ($dest !== "$source/$entry") {
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$this->copyr("$source/$entry", "$dest/$entry");
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}
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}
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// Clean up
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$dir->close();
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return true;
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}
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/**
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* Overloadable function that tests a filename for copyability. By
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* default, everything should be copied; you can restrict things to
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* ignore hidden files, unreadable files, etc. This function
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* applies to copyr().
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*/
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public function copyable($file)
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{
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return true;
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}
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/**
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* Delete a file, or a folder and its contents
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* @note Adapted from http://aidanlister.com/repos/v/function.rmdirr.php
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*/
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public function rmdirr($dirname)
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{
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// Sanity check
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if (!$this->file_exists($dirname)) {
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return false;
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}
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// Simple delete for a file
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if ($this->is_file($dirname) || $this->is_link($dirname)) {
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return $this->unlink($dirname);
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}
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// Loop through the folder
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$dir = $this->dir($dirname);
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while (false !== $entry = $dir->read()) {
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// Skip pointers
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if ($entry == '.' || $entry == '..') {
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continue;
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}
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// Recurse
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$this->rmdirr($dirname . DIRECTORY_SEPARATOR . $entry);
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}
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// Clean up
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$dir->close();
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return $this->rmdir($dirname);
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}
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/**
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* Recursively globs a directory.
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*/
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public function globr($dir, $pattern, $flags = NULL)
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{
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$files = $this->glob("$dir/$pattern", $flags);
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if ($files === false) $files = array();
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$sub_dirs = $this->glob("$dir/*", GLOB_ONLYDIR);
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if ($sub_dirs === false) $sub_dirs = array();
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foreach ($sub_dirs as $sub_dir) {
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$sub_files = $this->globr($sub_dir, $pattern, $flags);
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$files = array_merge($files, $sub_files);
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}
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return $files;
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}
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/**
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* Allows for PHP functions to be called and be stubbed.
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* @warning This function will not work for functions that need
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* to pass references; manually define a stub function for those.
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*/
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public function __call($name, $args)
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{
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return call_user_func_array($name, $args);
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}
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}
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// vim: et sw=4 sts=4
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