function advagg_build_css_bundle in Advanced CSS/JS Aggregation 7

Same name and namespace in other branches

1. 6 advagg.module \advagg_build_css_bundle()

Given a list of files, grab their contents and glue it into one big string.

Parameters

$files: array of filenames.

Return value

string containing all the files.

2 calls to advagg_build_css_bundle()

advagg_css_js_file_builder in ./advagg.module

Aggregate CSS/JS files, putting them in the files directory.

_advagg_drupal_load_stylesheet in ./advagg.module

Loads stylesheets recursively and returns contents with corrected paths.

File

./advagg.module, line 2371

Advanced CSS/JS aggregation module

Code

function advagg_build_css_bundle($files) {
  $data = '';

  // Build aggregate CSS file.
  foreach ($files as $file) {
    $contents = drupal_load_stylesheet($file, TRUE);

    // Return the path to where this CSS file originated from.
    $base = base_path() . dirname($file) . '/';
    _drupal_build_css_path(NULL, $base);

    // Prefix all paths within this CSS file, ignoring external and absolute paths.
    $data .= preg_replace_callback('/url\\([\'"]?(?![a-z]+:|\\/+)([^\'")]+)[\'"]?\\)/i', '_drupal_build_css_path', $contents);
  }

  // Per the W3C specification at http://www.w3.org/TR/REC-CSS2/cascade.html#at-import,
  // @import rules must proceed any other style, so we move those to the top.
  $regexp = '/@import[^;]+;/i';
  preg_match_all($regexp, $data, $matches);
  $data = preg_replace($regexp, '', $data);
  $data = implode('', $matches[0]) . $data;
  return $data;
}