function sassy_load_callback in Sassy 7.2

Same name and namespace in other branches

1. 7.3 sassy.module \sassy_load_callback()

Called from inside SassParser when a file is trying to be loaded.

Parameters

$file: The file trying to be loaded, eg 'myfile/bla.scss'

Return value

An array of 0 - n filenames to load. If no valid files are found return array() or FALSE

2 string references to 'sassy_load_callback'

SassyBaseUnitTest::runTest in ./sassy.test

sassy_parse in ./sassy.module

Parse a SCSS string and transform it into CSS.

File

./sassy.module, line 148

Code

function sassy_load_callback($file) {
  $file = explode('/', $file, 2);
  $namespace = '';

  // Don't reduce the file array if there is only one element and no namespace
  if (count($file) >= 2) {
    $namespace = preg_replace('/[^0-9a-z]+/', '_', strtolower(array_shift($file)));
  }

  # check for implementing modules specific to namespace and invoke looking for a paths array.
  foreach (module_implements('sassy_resolve_path_' . $namespace) as $module) {
    $hook = $module . '_sassy_resolve_path_' . $namespace;
    if (function_exists($hook) && ($paths = call_user_func($hook, $file[0]))) {
      return (array) $paths;
    }
  }

  # check for implenting modules for the generic hook, looking for a path array.
  foreach (module_implements('sassy_resolve_path') as $module) {
    $hook = $module . '_sassy_resolve_path';
    if (function_exists($hook) && ($paths = call_user_func($hook, $file, $namespace))) {
      return (array) $paths;
    }
  }

  # check for modules or themes named $namespace and try directly finding a file.
  if ($namespace != 'general' && $namespace != 'sprites' && $namespace != 'typography' && $namespace != 'links' && $namespace != 'lists' && $namespace != 'utilities' && $namespace != 'css' && $namespace != 'text' && $namespace != 'css3' && $namespace != 'tables' && $namespace != 'color') {
    $module_exists_in_filesystem = (bool) drupal_get_filename('module', $namespace, NULL, FALSE);
    if ($module_exists_in_filesystem) {
      $path = drupal_get_path('theme', $namespace);
    }
    else {
      $theme_exists_in_filesystem = (bool) drupal_get_filename('theme', $namespace, NULL, FALSE);
      if ($theme_exists_in_filesystem) {
        $path = drupal_get_path('theme', $namespace);
      }
      else {
        $path = false;
      }
    }
  }
  else {
    $path = NULL;
  }
  if (!$path && $namespace == 'public') {
    $path = 'public:/';
  }
  if ($path) {
    $path = $path . '/' . $file[0];
    if (file_exists($path)) {
      $path = drupal_realpath($path);
      return array(
        $path,
      );
    }
  }
  return FALSE;
}