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-rw-r--r-- | vendor/ezyang/htmlpurifier/extras/FSTools.php | 164 |
diff --git a/vendor/ezyang/htmlpurifier/extras/FSTools.php b/vendor/ezyang/htmlpurifier/extras/FSTools.php new file mode 100644 index 0000000..ce00763 --- /dev/null +++ b/vendor/ezyang/htmlpurifier/extras/FSTools.php @@ -0,0 +1,164 @@ +<?php + +/** + * Filesystem tools not provided by default; can recursively create, copy + * and delete folders. Some template methods are provided for extensibility. + * + * @note This class must be instantiated to be used, although it does + * not maintain state. + */ +class FSTools +{ + + private static $singleton; + + /** + * Returns a global instance of FSTools + */ + public static function singleton() + { + if (empty(FSTools::$singleton)) FSTools::$singleton = new FSTools(); + return FSTools::$singleton; + } + + /** + * Sets our global singleton to something else; useful for overloading + * functions. + */ + public static function setSingleton($singleton) + { + FSTools::$singleton = $singleton; + } + + /** + * Recursively creates a directory + * @param string $folder Name of folder to create + * @note Adapted from the PHP manual comment 76612 + */ + public function mkdirr($folder) + { + $folders = preg_split("#[\\\\/]#", $folder); + $base = ''; + for($i = 0, $c = count($folders); $i < $c; $i++) { + if(empty($folders[$i])) { + if (!$i) { + // special case for root level + $base .= DIRECTORY_SEPARATOR; + } + continue; + } + $base .= $folders[$i]; + if(!is_dir($base)){ + $this->mkdir($base); + } + $base .= DIRECTORY_SEPARATOR; + } + } + + /** + * Copy a file, or recursively copy a folder and its contents; modified + * so that copied files, if PHP, have includes removed + * @note Adapted from http://aidanlister.com/repos/v/function.copyr.php + */ + public function copyr($source, $dest) + { + // Simple copy for a file + if (is_file($source)) { + return $this->copy($source, $dest); + } + // Make destination directory + if (!is_dir($dest)) { + $this->mkdir($dest); + } + // Loop through the folder + $dir = $this->dir($source); + while ( false !== ($entry = $dir->read()) ) { + // Skip pointers + if ($entry == '.' || $entry == '..') { + continue; + } + if (!$this->copyable($entry)) { + continue; + } + // Deep copy directories + if ($dest !== "$source/$entry") { + $this->copyr("$source/$entry", "$dest/$entry"); + } + } + // Clean up + $dir->close(); + return true; + } + + /** + * Overloadable function that tests a filename for copyability. By + * default, everything should be copied; you can restrict things to + * ignore hidden files, unreadable files, etc. This function + * applies to copyr(). + */ + public function copyable($file) + { + return true; + } + + /** + * Delete a file, or a folder and its contents + * @note Adapted from http://aidanlister.com/repos/v/function.rmdirr.php + */ + public function rmdirr($dirname) + { + // Sanity check + if (!$this->file_exists($dirname)) { + return false; + } + + // Simple delete for a file + if ($this->is_file($dirname) || $this->is_link($dirname)) { + return $this->unlink($dirname); + } + + // Loop through the folder + $dir = $this->dir($dirname); + while (false !== $entry = $dir->read()) { + // Skip pointers + if ($entry == '.' || $entry == '..') { + continue; + } + // Recurse + $this->rmdirr($dirname . DIRECTORY_SEPARATOR . $entry); + } + + // Clean up + $dir->close(); + return $this->rmdir($dirname); + } + + /** + * Recursively globs a directory. + */ + public function globr($dir, $pattern, $flags = NULL) + { + $files = $this->glob("$dir/$pattern", $flags); + if ($files === false) $files = array(); + $sub_dirs = $this->glob("$dir/*", GLOB_ONLYDIR); + if ($sub_dirs === false) $sub_dirs = array(); + foreach ($sub_dirs as $sub_dir) { + $sub_files = $this->globr($sub_dir, $pattern, $flags); + $files = array_merge($files, $sub_files); + } + return $files; + } + + /** + * Allows for PHP functions to be called and be stubbed. + * @warning This function will not work for functions that need + * to pass references; manually define a stub function for those. + */ + public function __call($name, $args) + { + return call_user_func_array($name, $args); + } + +} + +// vim: et sw=4 sts=4 |