function 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

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;
}