/**
* Recursively scan filesystem for files
*
* @param string $dir_path
* @param string $regex (optional) to filter filenames with
* @param string $prepend (optional)
* @return array file names
*/
function air2_dirscan($dir_path, $regex = '//', $prepend = '')
{
if (!is_dir($dir_path)) {
return false;
}
$files = array();
$dirs = array();
$scan = scandir($dir_path);
// add files at this level first
foreach ($scan as $file) {
// remove hidden/meta directories
if (!preg_match('/^\\./', $file)) {
$full = $prepend . $file;
if (is_dir("{$dir_path}/{$file}")) {
$dirs[$full] = "{$dir_path}/{$file}";
} else {
if (preg_match($regex, $file)) {
$files[] = $full;
}
}
}
}
// now process subdirectories
foreach ($dirs as $name => $path) {
$files = array_merge($files, air2_dirscan($path, $regex, $name . '/'));
}
return $files;
}
/**
* Get an array of css includes
*
* @return array $css
*/
public function css_includes()
{
// only need compressed file, if it exists
if (file_exists(AIR2_DOCROOT . '/css/air2-compressed.css')) {
return array(air2_uri_for('css/air2-compressed.css'));
}
// recursively scan css directory
$css = air2_dirscan(AIR2_DOCROOT . '/css/', '/.css$/');
$rmv = array('docbook.css', 'login.css', 'ie.css', 'print.css', 'ext-theme-air2.css', 'query.css', 'pinform.css', 'third_party.css');
air2_array_remove($rmv, $css);
// change to absolute paths
foreach ($css as &$file) {
$mtime = filemtime(AIR2_DOCROOT . '/css/' . $file);
$file = air2_uri_for("css/{$file}", array('_' => $mtime));
}
return $css;
}