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advagg_font.advagg.inc in Advanced CSS/JS Aggregation 7.2

Advanced aggregation css compression module.

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advagg_font/advagg_font.advagg.inc
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<?php

/**
 * @file
 * Advanced aggregation css compression module.
 */

/**
 * @addtogroup advagg_hooks
 * @{
 */

/**
 * Implements hook_advagg_get_css_file_contents_alter().
 */
function advagg_font_advagg_get_css_file_contents_alter(&$contents, $file, $aggregate_settings) {

  // Do nothing if this is disabled.
  if (empty($aggregate_settings['variables']['advagg_font_fontfaceobserver'])) {
    return;
  }
  list($replacements) = advagg_font_get_replacements_array($contents);
  foreach ($replacements as $replace) {
    $contents = str_replace($replace[0], $replace[1] . $replace[2], $contents);
  }
}

/**
 * Implements hook_advagg_get_info_on_files_alter().
 *
 * Used to add external font info for css file.
 */
function advagg_font_advagg_get_info_on_files_alter(&$return, $cached_data, $bypass_cache) {
  $advagg_font_ffo = variable_get('advagg_font_fontfaceobserver', ADVAGG_FONT_FONTFACEOBSERVER);
  if (!empty($advagg_font_ffo)) {
    foreach ($return as &$info) {

      // Skip if not a css file.
      if (empty($info['fileext']) || $info['fileext'] !== 'css') {
        continue;
      }

      // Get the file contents.
      $file_contents = (string) @advagg_file_get_contents($info['data']);
      if (!empty($file_contents)) {

        // Get font names.
        list($replacements) = advagg_font_get_replacements_array($file_contents);

        // Remove old values.
        if (isset($info['advagg_font'])) {
          unset($info['advagg_font']);
        }

        // Add in new values.
        foreach ($replacements as $replace) {
          $info['advagg_font'][$replace[4]] = str_replace(array(
            '"',
            "'",
          ), '', $replace[3]);
        }
      }
    }
    unset($info);
  }
}

/**
 * @} End of "addtogroup advagg_hooks".
 */