private static function extract($from, $on)
{
$out = array();
is_file($from) or $from = \Tailor\Helpers::resolve($from, $on);
if (!is_file($from)) {
throw new \Exception("The file '{$from}' does not exists");
}
$ext = static::extension($on);
$dir = \Tailor\Config::get($on);
$url = \Tailor\Config::get(str_replace('_dir', '_url', $on));
// TODO: accept other formats?
if (preg_match_all('/\\s+\\*=\\s+(\\w+)\\s+(\\S+)/m', read($from), $match)) {
foreach ($match[1] as $i => $key) {
$tmp = path($dir, $match[2][$i]);
$old = \Tailor\Helpers::findfile("{$tmp}*", 0);
if (is_dir($old)) {
\IO\Dir::open($old, function ($file) use(&$out, $key) {
$out[$key][] = $file;
});
} else {
if (!is_file($old)) {
$old = "{$url}/{$match[2][$i]}";
substr($old, -strlen($ext)) != $ext && ($old .= ".{$ext}");
}
$out[$key][] = $old;
}
}
}
return $out;
}
