function advagg_get_bundle_from_filename in Advanced CSS/JS Aggregation 7

Same name and namespace in other branches

1. 6 advagg.module \advagg_get_bundle_from_filename()

@todo Please document this function.

See also

http://drupal.org/node/1354

2 calls to advagg_get_bundle_from_filename()

advagg_bundle_built in ./advagg.module

See if this bundle has been built.

advagg_missing_regenerate in includes/missing.inc

regenerates a missing css file.

File

./advagg.module, line 1501

Advanced CSS/JS aggregation module

Code

function advagg_get_bundle_from_filename($filename) {

  // Verify requested filename has the correct pattern.
  if (!preg_match('/^(j|cs)s_[0-9a-f]{32}_\\d+\\.(j|cs)s$/', $filename)) {
    return t('Wrong Pattern.');
  }

  // Get type
  $type = substr($filename, 0, strpos($filename, '_'));

  // Get extension
  $ext = substr($filename, strpos($filename, '.', 37) + 1);

  // Make sure extension is the same as the type.
  if ($ext != $type) {
    return t('Type does not match extension.');
  }

  // Extract info from wanted filename.
  if ($type == 'css') {
    $md5 = substr($filename, 4, 32);
    $counter = substr($filename, 37, strpos($filename, '.', 38) - 37);
  }
  elseif ($type == 'js') {
    $md5 = substr($filename, 3, 32);
    $counter = substr($filename, 36, strpos($filename, '.', 37) - 36);
  }
  else {
    return t('Wrong file type.');
  }
  return array(
    $type,
    $md5,
    $counter,
  );
}