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<?php
/**
* @package Warp Theme Framework
* @author YOOtheme http://www.yootheme.com
* @copyright Copyright (C) YOOtheme GmbH
* @license http://www.gnu.org/licenses/gpl.html GNU/GPL
*/
namespace Warp\Helper;
use Warp\Warp;
/**
* Path helper class, simplify path handling.
*/
class PathHelper extends AbstractHelper
{
/**
* @var array
*/
public $_paths = array();
/**
* Constructor.
*/
public function __construct(Warp $warp)
{
parent::__construct($warp);
// register paths
foreach ($this['config']->get('path', array()) as $namespace => $paths) {
foreach ($paths as $path) {
$this->register($path, $namespace);
}
}
}
/**
* Register a path to a namespace.
*
* @param string $path
* @param string $namespace
*/
public function register($path, $namespace = 'default')
{
if (!isset($this->_paths[$namespace])) {
$this->_paths[$namespace] = array();
}
array_unshift($this->_paths[$namespace], $path);
}
/**
* Retrieve absolute path to a file or directory
*
* @param string $resource Resource with namespace, example: "assets:js/app.js"
*
* @return mixed
*/
public function path($resource)
{
// parse resource
extract($this->_parse($resource));
return $this->_find($paths, $path);
}
/**
* Retrieve absolute url to a file
*
* @param string $resource Resource with namespace, example: "assets:js/app.js"
* @param boolean $pathonly Wether return full url or just path
*
* @return mixed
*/
public function url($resource, $pathonly = true)
{
// init vars
$parts = explode('?', $resource);
$url = str_replace(DIRECTORY_SEPARATOR, '/', $this->path($parts[0]));
$root = $this['system']->url;
// change root url to path only
if ($pathonly) {
$root = parse_url($root, PHP_URL_PATH);
}
if ($url) {
if (isset($parts[1])) {
$url .= '?'.$parts[1];
}
$url = $root.'/'.ltrim(preg_replace('/'.preg_quote(str_replace(DIRECTORY_SEPARATOR, '/', $this['system']->path), '/').'/i', '', $url, 1), '/');
}
return $url;
}
/**
* Retrieve list of files from resource
*
* @param string $resource
* @param boolean $recursive
*
* @return array
*/
public function files($resource, $recursive = false)
{
return $this->ls($resource, 'file', $recursive);
}
/**
* Retrieve list of directories from resource
*
* @param string $resource
* @param boolean $recursive
*
* @return array
*/
public function dirs($resource, $recursive = false)
{
return $this->ls($resource, 'dir', $recursive);
}
/**
* Retrieve list of files or directories from resource
*
* @param string $resource
* @param string $mode
* @param boolean $recursive
*
* @return array
*/
public function ls($resource, $mode = 'file', $recursive = false)
{
$files = array();
$res = $this->_parse($resource);
foreach ($res['paths'] as $path) {
foreach ($this->_list(realpath($path.'/'.$res['path']), '', $mode, $recursive) as $file) {
if (!in_array($file, $files)) {
$files[] = $file;
}
}
}
return $files;
}
/**
* Parse resource string.
*
* @param string $resource
*
* @return string
*/
protected function _parse($resource)
{
// init vars
$parts = explode(':', $resource, 2);
$count = count($parts);
$path = '';
$namespace = 'default';
// parse resource path
if ($count == 1) {
list($path) = $parts;
} elseif ($count == 2) {
list($namespace, $path) = $parts;
}
// remove heading slash or backslash
$path = ltrim($path, "\\/");
// get paths for namespace, if exists
$paths = isset($this->_paths[$namespace]) ? $this->_paths[$namespace] : array();
return compact('namespace', 'paths', 'path');
}
/**
* Find file or directory in paths
*
* @param mixed $paths
* @param string $file
*
* @return mixed
*/
protected function _find($paths, $file)
{
$paths = (array) $paths;
$file = ltrim($file, "\\/");
foreach ($paths as $path) {
$fullpath = realpath("$path/$file");
$path = realpath($path);
if (file_exists($fullpath) && substr($fullpath, 0, strlen($path)) == $path) {
return $fullpath;
}
}
return false;
}
/**
* List files or directories in a path
*
* @param string $path
* @param string $prefix Prefix prepended to every file/directory
* @param string $mode Mode 'file' or 'dir'
* @param boolean $recursive
*
* @return array
*/
protected function _list($path, $prefix = '', $mode = 'file', $recursive = false)
{
$files = array();
$ignore = array('.', '..', '.DS_Store', '.svn', 'cgi-bin');
if (is_readable($path) && is_dir($path) && ($scan = scandir($path))) {
foreach ($scan as $file) {
// continue if ignore match
if (in_array($file, $ignore)) {
continue;
}
if (is_dir($path.'/'.$file)) {
// add dir
if ($mode == 'dir') {
$files[] = $prefix.$file;
}
// continue if not recursive
if (!$recursive) {
continue;
}
// read subdirectory
$files = array_merge($files, $this->_list($path.'/'.$file, $prefix.$file.'/', $mode, $recursive));
} else {
// add file
if ($mode == 'file') {
$files[] = $prefix.$file;
}
}
}
}
return $files;
}
}